Research activity information

• May 2020 日本土壌肥料学会, 学会賞, 腐植物質の分析法，特徴付けおよび反応性に関する研究


• Nov. 2017 日本腐植物質学会, 日本腐植物質学会第33回講演会優秀ポスター発表賞, 南極湖沼溶存有機物に光を当てる：光学的分析およびフミン物質定量

  木田 森丸, 小島 汰一, 田邊 優貴子, 林 健太郎, 工藤 栄, 眞家 永光, FUJITAKE NOBUHIDE

  Japan society


• Mar. 2017 日本生態学会, 第６４回⽇日本⽣生態学会⼤大会ポスター賞, 亜熱帯マングローブ林林における粗⼤大有機物 の分解速度度と環境要因の関係

  中野 凌佑, 南埜 幸也, 田邉 舞, 大塚 俊之, FUJITAKE NOBUHIDE, TOMOTSUNE MITSUTOSHI

  Japan society


• Sep. 2016 日本土壌肥料学会, ポスター賞, チベット高原祁連（きれん）山脈における標高別土壌の有機物特性

  北村 今日子, 廣田 充, 韓 貝貝, 唐 艶鴻, 賀 金生, 沈 海花, FUJITAKE NOBUHIDE

  Japan society


• Sep. 2016 International Humic Substances Society, The Award for the Best Poster, Determination of aquatic humic substances in lakes and wetlands by the carbon concentration-based DAX-8 batch adsorption technique.

  Kumiko TSUDA, Morimaru KIDA, Hajime SATO, Mitsuru HIROTA, Yuko SUGIYAMA, Kazuhide HAYAKAWA, Masayuki KAWAHIGASHI, Bolormaa OYUNTSETSEG, Viacheslav Victorovich, KHAKHINOV, FUJITAKE NOBUHIDE

  International society


• Oct. 2014 独立行政法人 日本学術振興会, 平成26年度「科研費」審査員表彰, 平成26年度「科研費」審査員

  FUJITAKE NOBUHIDE

  有意義な審査意見を付し，公正・公平な審査に大きく貢献したため

  Others


• Feb. 2014 日本陸水学会近畿支部会, 日本陸水学会近畿支部会第25回研究発表会 優秀発表賞, 国内外の湖沼や河川における腐植物質含量～DAX-8 樹脂吸着法による〜

  木田 森丸, 真木 謙造, 津田 久美子, 早川 和秀, 杉山 裕子, 川東 正幸, 大塚 俊之, 廣田 充, KATO Taku, FUJITAKE NOBUHIDE

  口頭発表において優秀な成績を収めた

  Japan society


• 1997 日本土壌肥料学会, 日本土壌肥料学会奨励賞, 土壌中のアンスラキノン類の分析法の開発とその分布特性に関する研究

• Chemical characterization of Scottish peat using evolved gas analysis-mass spectrometry

  Xue Chu, Naoya Takeda, Nobuhide Fujitake, Shintaro Yanaka, Yasuro Fuse

  Aug. 2025, Journal of Chromatography A

  Scientific journal


• Solid-phase fluorescence excitation-emission matrix spectroscopy of soil, fulvic acid fractions, and clay mineral complexes: Evidence from red shift of fluorescence maxima associated with aggregation

  Yuki Nakaya, Takashi Hirose, Ryuichi Tamori, Nobuhide Fujitake, Satoru Nakashima, Hiroshi Yamamura, Hisashi Satoh

  Aug. 2025, Environmental Research

  Scientific journal


• Biomass recovery of coastal young mangrove plantations in Central Thailand

  Toshiyuki Ohtsuka, Suthathip Umnouysin, Vilanee Suchewaboripont, Nada Yimatsa, Chadtip Rodtassana, Morimaru Kida, Yasuo Iimura, Shinpei Yoshitake, Nobuhide Fujitake, Sasitorn Poungparn

  Abstract Around one-third of the world’s most carbon-rich ecosystems, mangrove forests, have already been destroyed in Thailand owing to coastal development and aquaculture. Improving these degraded areas through mangrove plantations can restore various coastal ecosystem services, including CO₂ absorption and protection against wave action. This study examines the biomass of three coastal mangrove plantations (Avicennia alba) of different ages in Samut Prakarn province, Central Thailand. Our aim was to understand the forest biomass recovery during the early stages of development, particularly fine root biomass expansion. In the chronosequence of the mangrove plantations, woody biomass increased by 40% over four years from 79.7 ± 11.2 Mg C ha^-1 to 111.7 ± 12.3 Mg C ha⁻¹. Fine root biomass up to a depth of 100 cm was 4.47 ± 0.33 Mg C ha⁻¹, 4.24 ± 0.63 Mg C ha⁻¹, and 6.92 ± 0.32 Mg C ha⁻¹ at 10, 12, and 14 year-old sites, respectively. Remarkably, the fine root biomass of 14-year-old site was significantly higher than those of the younger sites due to increase of the biomass at 15–30 cm and 30–50 cm depths. Our findings reveal that the biomass recovery in developing mangrove plantations exhibit rapid expansion of fine roots in deeper soil layers.

  Springer Science and Business Media LLC, May 2024, Scientific Reports, 14(1) (1)

  Scientific journal


• Functional organic matter components in mangrove soils revealed by density fractionation

  Kota Hamada, Toshiyuki Ohtsuka, Nobuhide Fujitake, Toshihiro Miyajima, Yusuke Yokoyama, Yosuke Miyairi, Morimaru Kida

  Mar. 2024, Soil Science and Plant Nutrition, 70(2) (2), 88 - 99, English

  [Refereed]

  Scientific journal

  Link to Kobe Univ. Repository (Kernel)


• Spatial variation of soil characteristics affected by biochar materials from traditional slash and burn agriculture in Sabah, Malaysia

  Akari Kishimoto, Rintaro Kinoshita, Nobuhide Fujitake, Mitsuru Osaki, Murray Clayton, Masayuki Tani

  Jan. 2024, Soil Science and Plant Nutrition, in press, English

  [Refereed]

  Scientific journal


• Livestock Manure and Compost Effect the Quality and Quantity of Humic Substances in Soil.

  Taku Kato, Miyuki Kondo, Yasuo Iimura, Hiroyuki Ohshima, Yoshiyuki Maeda, Nobuhide Fujitake

  Last, Oct. 2023, Humic Substances Research, 19(1) (1), 9 - 15, English

  [Refereed]

  Scientific journal


• Determinants of Microbial-Derived Dissolved Organic Matter Diversity in Antarctic Lakes

  Morimaru Kida, Julian Merder, Nobuhide Fujitake, Yukiko Tanabe, Kentaro Hayashi, Sakae Kudoh, Thorsten Dittmar

  American Chemical Society (ACS), Mar. 2023, Environmental Science and Technology, 57(13) (13), 5464 - 5473, English

  [Refereed]

  Scientific journal

  Link to Kobe Univ. Repository (Kernel)


• Soil properties and classification of a small-scale steep sloping field under traditional slash and burn cropping systems in Sabah, Malaysia.

  R. Kinoshita, A. Kishimoto, N. Fujitake, M. Osaki, M. Clayton, M. Tani

  Dec. 2021, Pedologist, 65(1) (1), English

  [Refereed]

  Scientific journal


• Recent Debates on Humic Substances: The Future of the Humic Substances Paradigm.

  Nobuhide Fujitake

  Nov. 2021, Humic Substances Research, 18, 1 - 6, Japanese

  [Refereed]

  Scientific journal


• Organic carbon stock and composition in 3.5-m core mangrove soils (Trat, Thailand)

  Morimaru Kida, Ikumi Watanabe, Kazutoshi Kinjo, Miyuki Kondo, Shinpei Yoshitake, Mitsutoshi Tomotsune, Yasuo Iimura, Suthathip Umnouysin, Vilanee Suchewaboripont, Sasitorn Poungparn, Toshiyuki Ohtsuka, Nobuhide Fujitake

  Elsevier BV, Aug. 2021, Science of The Total Environment, 149682 - 149682, English

  [Refereed]

  Scientific journal


• Dissolved Organic Matter Processing in Pristine Antarctic Streams

  Morimaru Kida, Nobuhide Fujitake, Taichi Kojima, Yukiko Tanabe, Kentaro Hayashi, Sakae Kudoh, Thorsten Dittmar

  Corresponding, American Chemical Society (ACS), Jul. 2021, Environmental Science & Technology, 55(14) (14), 10175 - 10185, English

  [Refereed]

  Scientific journal


• Interaction between carbon cycling in soil and global climate change

  藤嶽暢英

  Nov. 2020, Soil Microorganisms, 74(2) (2), 54 - 59, Japanese

  [Refereed][Invited]

  Scientific journal


• Analytical methods, characterization, reactivity of humic substances.

  藤嶽暢英

  Oct. 2020, 日本土壌肥料学雑誌, 91(5) (5), 317 - 320

  [Refereed]

  Scientific journal


• Organic Carbon Stabilization Mechanisms in Mangrove Soils: A Review

  Morimaru Kida, Nobuhide Fujitake

  Sep. 2020, Forests, 11(9) (9), 981 - 981, English

  [Refereed]

  Scientific journal


• Lateral Export of Dissolved Inorganic and Organic Carbon from a Small Mangrove Estuary with Tidal Fluctuation

  Toshiyuki Ohtsuka, Takeo Onishi, Shinpei Yoshitake, Mitsutoshi Tomotsune, Morimaru Kida, Yasuo Iimura, Miyuki Kondo, Vilanee Suchewaboripont, Ruoming Cao, Kazutoshi Kinjo, Nobuhide Fujitake

  The significance of aquatic lateral carbon (C) export in mangrove ecosystems highlights the extensive contribution of aquatic pathways to the net ecosystem carbon budget. However, few studies have investigated lateral fluxes of dissolved organic carbon (DOC) and inorganic carbon (DIC), partly due to methodological difficulty. Therefore, we evaluated area-based lateral C fluxes in a small mangrove estuary that only had one exit for water exchange to the coast. We sampled water from the mouth of the creek and integrated discharge and consecutive concentration of mangrove-derived C (ΔC). Then, we estimated the area-normalized C fluxes based on the inundated mangrove area. DIC and DOC concentrations at the river mouth increased during ebb tide during both summer and winter. We quantified the ΔC in the estuary using a two-component conservative mixing model of freshwater and seawater. DIC and DOC proportions of ΔC concentrations at the river mouth during ebb tide was between 34% and 56% in the winter and 26% and 42% in the summer, respectively. DIC and DOC fluxes from the estuary were estimated to be 1.36 g C m−2 d−1 and 0.20 g C m−2 d−1 in the winter and 3.35 g C m−2 d−1 and 0.86 g C m−2 d−1 in the summer, respectively. Based on our method, daily fluxes are mangrove area-based DIC and DOC lateral exports that can be directly incorporated into the mangrove carbon budget.

  MDPI AG, Sep. 2020, Forests, 11(10) (10), 1041 - 1041

  [Refereed]

  Scientific journal


• Organic matter degradation characteristics of coastal marine sediments collected from the Seto Inland Sea, Japan

  Satoshi Asaoka, Waqar Azeem Jadoon, Akira Umehara, Kazuhiko Takeda, Sosuke Otani, Masaki Ohno, Nobuhide Fujitake, Hiroshi Sakugawa, Hideo Okamura

  Sep. 2020, Marine Chemistry, 225, 103854 - 103854, English

  [Refereed]

  Scientific journal

  Link to Kobe Univ. Repository (Kernel)


• The mineralization rate of black soil carbon in the deep layers of Japanese volcanic ash soil may be easily accelerated by labile carbon supply

  Yasuo Iimura, Daichi Tanaka, Seiya Nagao, Nobuhide Fujitake, Toshiyuki Ohtsuka

  2020, Soil Science and Plant Nutrition

  [Refereed]

  Scientific journal


• Ammonia Oxidation Potentials and Ammonia Oxidizers of Lichen–Moss Vegetated Soils at Two Ice-free Areas in East Antarctica

  Kentaro Hayashi, Yukiko Tanabe, Nobuhide Fujitake, Morimaru Kida, Yong Wang, Masahito Hayatsu, Sakae Kudoh

  Japanese Society of Microbial Ecology, 2020, Microbes and Environments, 35(1) (1), n/a - n/a, English

  [Refereed]

  Scientific journal


• Effect of Crab Burrows on CO2 Flux from the Sediment Surface to the Atmosphere in a Subtropical Mangrove Forest on Ishigaki Island, Southwestern Japan

  Mitsutoshi Tomotsune, Hideshi Arai, Shinpei Yoshitake, Morimaru Kida, Nobuhide Fujitake, Kazutoshi Kinjo, Toshiyuki Ohtsuka

  Jan. 2020, Estuaries and Coasts, 43(1) (1), 102 - 110, English

  [Refereed]

  Scientific journal


• Molecular composition and decomposition stages of organic matter in a mangrove mineral soil with time

  Morimaru Kida, Miyuki Kondo, Mitsutoshi Tomotsune, Kazutoshi Kinjo, Toshiyuki Ohtsuka, Nobuhide Fujitake

  Elsevier {BV}, Dec. 2019, Estuarine, Coastal and Shelf Science, 231, 106478

  [Refereed]

  Scientific journal


• The effects of fertilization treatments and cropping systems on long-term dynamics and spectroscopic characteristics of dissolved organic matter in paddy soil.

  Huiqiao Wu, Morimaru Kida, Akiko Domoto, Masayuki Hara, Hitoshi Ashida, Takeshi Suzukia, Nobuhide Fujitake

  Dec. 2019, SOIL SCIENCE AND PLANT NUTRITION, 65(6) (6), 557 - 565, English

  [Refereed]

  Scientific journal


• Effect of biochar addition on leaf-litter decomposition at soil surface during three years in a warm-temperate secondary deciduous forest, Japan

  Yukiya Minamino, Nobuhide Fujitake, Takeshi Suzuki, Shinpei Yoshitake, Hiroshi Koizumi, Mitsutoshi Tomotsune

  Nov. 2019, Scientific Reports, 9, 16961, English

  [Refereed]

  Scientific journal

  Link to Kobe Univ. Repository (Kernel)


• Priming effect of the addition of maize to a Japanese volcanic ash soil and its temperature sensitivity: a short-term incubation study.

  Yasuo Iimura, Issei Tabara, Kosuke Izumitsu, Nobuhide Fujitake

  Last, Oct. 2019, SOIL SCIENCE AND PLANT NUTRITION, 65(5) (5), 444 - 450, English

  [Refereed]

  Scientific journal


• Meteorological data from ice-free areas in Yukidori Zawa, Langhovde and Kizahashi Hama, Skarvsnes on Sôya Coast, East Antarctica during December 2014 - December 2016

  Kudo Sakae, Tanabe Yukiko, Hayashi Kentaro, Kida Morimaru, FUJITAKE NOBUHIDE, Uchida Masaki, Imura Satoshi

  Oct. 2019, Polar Data Journal, 3, 37 - 45, English

  [Refereed]

  Scientific journal


• Origin, distributions, and environmental significance of ubiquitous humic-like fluorophores in Antarctic lakes and stream.

  Morimaru Kida, Taichi Kojima, Yukiko Tanabe, Kentaro Hayashi, Sakae Kudoh, Nagamitsu Maie, FUJITAKE NOBUHIDE

  Elsevier BV, Jul. 2019, Water Research, 163, 114901 - 114901, English

  [Refereed]

  Scientific journal

  Link to Kobe Univ. Repository (Kernel)


• Changes in dissolved organic matter composition and dynamics in a subtropical mangrove river driven by rainfall.

  Kida, Morimaru, Tanabe, Mai, Tomotsune, Mitsutoshi, Yoshitake, Shinpei, Kinjyo Kazuhito, Ohtsuka, Toshio, FUJITAKE NOBUHIDE

  Elsevier, Apr. 2019, Estuarine, Coastal and Shelf Science, English

  [Refereed]

  Scientific journal

  Link to Kobe Univ. Repository (Kernel)


• Variable relationships between the hydrophobic fraction of dissolved organic matter and metals in Scottish freshwater before the estuarine mixing zone.

  Hajime Sato, Morimaru Kida, Satoko Yamano, Haruka Sonoda, FUJITAKE NOBUHIDE

  Mar. 2019, Limnology, 20(2) (2), 215 - 224, English

  [Refereed]

  Scientific journal


• Introduction of DEAE Sepharose for isolation of dissolved organic matter.

  Kida, M, Sato, H, Okumura, A, Igarashi, H, FUJITAKE NOBUHIDE

  Mar. 2019, Limnology, 20(2) (2), 153 - 162, English

  [Refereed]

  Scientific journal


• Humus composition and humification degree of humic acids of alpine meadow soils in the northeastern part of the Qinghai–Tibet Plateau.

  HAN BEIBEI, KITAMURA KYOKO, HIROTA MITSURU, SHEN HAIHUA, TAN YANHONG, SUZUKI TAKESHI, FUJITAKE NOBUHIDE

  Taylor and Francis, Jan. 2019, SOIL SCIENCE AND PLANT NUTRITION, 65(1) (1), 11 - 19, English

  [Refereed]

  Scientific journal


• Radionuclide uptake by colloidal and particulate humic acids obtained from 14 soils collected worldwide

  Peng Lin, Chen Xu, Wei Xing, Luni Sun, Daniel I. Kaplan, Nobuhide Fujitake, Chris M. Yeager, Kathleen A. Schwehr, Peter H. Santschi

  Nature Publishing Group, Dec. 2018, Scientific Reports, 8(1) (1), 4795, English

  [Refereed]

  Scientific journal

  Link to Kobe Univ. Repository (Kernel)


• Characterization of hot-water extracts from co-compost of dried sewage sludge and bamboo chips and effect of compost application on the growth of black soybean (Glycine max)

  Kikukawa Hiroyuki, Kida Morimaru, Enso Madoka, Inamoto Yukako, Kishimoto Ken-ichi, Kato Taku, Fujitake Nobuhide

  <p>Sewage sludge is generated 2.26 million Mg annually in Japan, and its dealing is one of the social problems. This study aimed to promote the application of dried sewage sludge in farmlands for recycling purposes. We composted sludge and bamboo chips in the ratios of 5 : 5, 7 : 3, and 9 : 1. Characteristics of hot water extracts during composting were analyzed approximately every week until the end of composting process (41 days) by testing inhibition of germination of Japanese mustard spinach (<i>Brassica rapa</i> var. <i>perviridis</i>) and by chemical analyses such as those using UV-vis spectroscopy and those involving dissolved organic carbon measurement. The concentration of ammonia, which is one of the strongest odor sources, decreased by about 60％ in the first 2 weeks of composting. The pH, electrical conductivity, and E2/E3 tended to decrease, whereas specific UV absorbance (SUVA₂₅₄) tended to increase during composting, suggesting the progression of humification and maturation of composts. Although the 7 : 3 and 9 : 1 compost extracts demonstrated considerable germination inhibition in the early stages of composting, the inhibition was alleviated as maturation progressed to 28 days. Inhibition was not observed in the 5 : 5 compost extract, and heavy metals did not exceed the safety standard, so the compost did not exhibit harmful effects on crop growth or safety. We also performed three replicates of a field growth experiment using Tanbaguro black soybean (<i>Glycine max</i>) with and without addition of 50-day-old compost (5 : 5, 7 : 3, and 9 : 1). Results showed that addition of the composts significantly increased the main stem length and the number of pods (p<0.01). Soybean yield was the highest in the 9 : 1 compost addition group, although this difference was not significant. These results suggest that composting of dried sewage sludge and bamboo chips is effective in agricultural production as it recycles local resources, reduces odor, and does not inhibit germination.</p>

  Corresponding, Japanese Society of Soil Science and Plant Nutrition, Aug. 2018, Jpn. J. Soil Sci. Plant Nutr., 89(4) (4), 295 - 301

  [Refereed]


• Contribution of humic substances to dissolved organic matter optical properties and iron mobilization

  Morimaru Kida, Nobuhide Fujitake, Vilanee Suchewaboripont, Sasitorn Poungparn, Mitsutoshi Tomotsune, Miyuki Kondo, Shinpei Yoshitake, Yasuo Iimura, Kazutoshi Kinjo, Chatree Maknual, Toshiyuki Ohtsuka

  Birkhauser Verlag AG, Jul. 2018, Aquatic Sciences, 80(3) (3), English

  [Refereed]

  Scientific journal


• Effects of soil temperature and tidal condition on variation in carbon dioxide flux from soil sediment in a subtropical mangrove forest.

  TOTSUNE MITSUTOSHI, YOSHITAKE SHINPEI, IIMURA YASUO, KIDA MORIMARU, FUJITAKE NOBUHIDE, KOIZUMI HIROSHI, OHTSUKA TOSHIYUKI

  Cambridge University Press, Jun. 2018, Journal of Tropical Ecology, 34(4) (4), 268 - 275, English

  [Refereed]

  Scientific journal


• Dissolved organic matter distribution and its association with colloidal aluminum and iron in the Selenga River Basin from Ulaanbaatar to Lake Baikal

  Morimaru Kida, Orgilbold Myangan, Bolormaa Oyuntsetseg, Viacheslav Khakhinov, Masayuki Kawahigashi, Nobuhide Fujitake

  Springer Verlag, Apr. 2018, Environmental Science and Pollution Research, 25(12) (12), 11948 - 11957, English

  [Refereed]

  Scientific journal


• Contribution of humic substances to dissolved organic matter optical properties and iron mobilization.

  Kida, M, FUJITAKE NOBUHIDE, Suchewaboripont, V, Poungparn, S, Tomotsune, M, Kondo, M, Yoshitake, S, Iimura, Y, Kinjo, K, Maknual, C, Ohtsuka, T

  Apr. 2018, Aquatic Sciences, 80(26) (26), English

  [Refereed]

  Scientific journal


• Plutonium Partitioning Behavior to Humic Acids from Widely Varying Soils Is Related to Carboxyl-Containing Organic Compounds

  Peng Lin, Chen Xu, Saijin Zhang, Nobuhide Fujitake, Daniel I. Kaplan, Chris M. Yeager, Yuko Sugiyama, Kathleen A. Schwehr, Peter H. Santschi

  Oct. 2017, ENVIRONMENTAL SCIENCE & TECHNOLOGY, 51(20) (20), 11742 - 11751, English

  [Refereed]

  Scientific journal


• Transformation of soil fulvic acid by Immobilized laccase from Trametes villosa.

  Yukiko Yanagi, Kenichi Kitayama, FUJITAKE NOBUHIDE

  Aug. 2017, Humic Substances Research, 13(1) (1), 5 - 12, English

  [Refereed]

  Scientific journal


• High salinity leads to accumulation of soil organic carbon in mangrove soil

  Morimaru Kida, Mitsutoshi Tomotsune, Yasuo Iimura, Kazutoshi Kinjo, Toshiyuki Ohtsuka, Nobuhide Fujitake

  Jun. 2017, CHEMOSPHERE, 177, 51 - 55, English

  [Refereed]

  Scientific journal


• Impact of land uses on heavy metal distribution in the Selenga River system in Mongolia

  Orgilbold Myangan, Masayuki Kawahigashi, Bolormaa Oyuntsetseg, Nobuhide Fujitake

  May 2017, ENVIRONMENTAL EARTH SCIENCES, 76(9) (9), 346 - 361, English

  [Refereed]

  Scientific journal


• Spatial variations in the molecular diversity of dissolved organic matter in water moving through a boreal forest in eastern Finland

  Jun'ichiro Ide, Mizue Ohashi, Katsutoshi Takahashi, Yuko Sugiyama, Sirpa Piirainen, Pirkko Kortelainen, Nobuhide Fujitake, Keitaro Yamase, Nobuhito Ohte, Mina Moritani, Miyako Hara, Leena Finer

  Feb. 2017, SCIENTIFIC REPORTS, 7, 42102, English

  [Refereed]

  Scientific journal

  Link to Kobe Univ. Repository (Kernel)


• Evaluation of salinity effect on quantitative analysis of aquatic humic substances using nonionic DAX-8 resin

  Morimaru Kida, Toshiyuki Ohtsuka, Taku Kato, Takeshi Suzuki, Nobuhide Fujitake

  Mar. 2016, CHEMOSPHERE, 146, 129 - 132, English

  [Refereed]

  Scientific journal


• Role of natural organic matter on iodine and (PU)-P-239,240 distribution and mobility in environmental samples from the northwestern Fukushima Prefecture, Japan

  Chen Xu, Saijin Zhang, Yuko Sugiyama, Nobuhito Ohte, Yi-Fang Ho, Nobuhide Fujitake, Daniel I. Kaplan, Chris M. Yeager, Kathleen Schwehr, Peter H. Santschi

  Mar. 2016, JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, 153, 156 - 166, English

  [Refereed]

  Scientific journal


• Determination of aquatic humic substances in Japanese lakes and wetlands by the carbon concentration-based resin isolation technique

  Kumiko Tsuda, Morimaru Kida, Suzuka Aso, Taku Kato, Nobuhide Fujitake, Masahiro Maruo, Kazuhide Hayakawa, Mitsuru Hirota

  Jan. 2016, LIMNOLOGY, 17(1) (1), 1 - 6, English

  [Refereed]

  Scientific journal


• 琵琶湖水中のフルボ酸のOECD試験法による水生生物への急性毒性評価

  HAYAKAWA Kazuhide, HIROSE Yoshinori, ICHISE Satosi, OKAMOTO Takahiro, FURUTA Yoshiko, FUJITAKE NOBUHIDE, TANAKA Hitoshi

  日本水処理生物学会, Dec. 2015, 日本水処理生物学会誌, 51(4) (4), 105 - 114, Japanese

  [Refereed]

  Scientific journal


• Quantitative monitoring of aquatic humic substances in Lake Biwa, Japan, using the DAX-8 batch method based on carbon concentrations.

  KIDA, M, MAKI, K, TAKATA, A, TSUDA, K, HAYAKAWA, K, SUGIYAMA, Y, FUJITAKE NOBUHIDE

  Apr. 2015, Organic Geochemistry, 2015, 153 - 157, English

  [Refereed]

  Scientific journal


• Relationship between stable carbon and nitrogen isotope ratios of humic acids extracted from Andisols and non-Andisols.

  KATSUMI, N, YONEBAYASHI, K, FUJITAKE NOBUHIDE, OKAZAKI, M

  Feb. 2015, Catena, 127, 241 - 221, English

  [Refereed]

  Scientific journal


• Physicochemical and ion-binding properties of highly aliphatic humic substances extracted from deep sedimentary groundwater

  Takumi Saito, Motoki Terashima, Noboru Aoyagi, Seiya Nagao, Nobuhide Fujitake, Toshihiko Ohnuki

  2015, ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS, 17(8) (8), 1386 - 1395, English

  [Refereed]

  Scientific journal


• 琵琶湖における新たな水質管理指標に関する研究

  早川 和秀, 岡本 高弘, 五十嵐 恵子, 古角 恵美, 廣瀬 佳則, 一瀬 諭, 田中 稔, 津田 久美子, 清水 芳久, 日下部 武敏, 三崎 健太郎, 中野 伸一, FUJITAKE NOBUHIDE, 山田 悦, 布施 泰朗, 田中 仁志, 杉山 裕子, 丸尾 雅啓

  Oct. 2014, 滋賀県琵琶湖環境科学研究センター研究報告書, (7) (7), 1 - 24, Japanese

  Research institution


• The effect of Humic acid on the Acute Toxicity of Benzo[a]pyrene to Algae, Pseudokirchneriella subcapitata.

  YANAGI YUKIKO, OKUYAMA Y, OCHI Y, FUJITAKE NOBUHIDE, KOBAYASHI TAKAYUKI

  Committee of The 17th meeting of the International Humid Substances Society, Sep. 2014, The 17th meeting of the International Humid Substances Society, 214 - 215, English

  [Refereed]

  International conference proceedings


• Comparison of Structural Properties of Humic-Like Substances in Atmospheric Fine Aerosol Isolated by Different Methods.

  ASAKAWA DAICHI, FUJITAKE NOBUHIDE

  Committee of The 17th meeting of the International Humid Substances Society, Sep. 2014, The 17th meeting of the International Humid Substances Society, 254 - 255, English

  [Refereed]

  International conference proceedings


• Investigations of environmental changes based on chemical analyses of humic substances

  KAWAHIGASHI Masayuki, ONO Kenji, IIMURA Yasuo, FUJITAKE Nobuhide

  Japanese Humic Substances Society, Oct. 2013, Humic Substances Research, 10(1) (1), 1 - 9, English

  [Refereed][Invited]


• Black humic acid dynamics during natural reforestation of Japanese pampas grass (Miscanthus sinensis)

  Yasuo Iimura, Mari Fujimoto, Kenji Tamura, Teruo Higashi, Miyuki Kondo, Masao Uchida, Koyo Yonebayashi, Nobuhide Fujitake

  Feb. 2013, SOIL BIOLOGY & BIOCHEMISTRY, 57, 60 - 67, English

  [Refereed]

  Scientific journal


• VARIATION OF Delta C-14 AND delta C-13 VALUES OF DISSOLVED HUMIC AND FULVIC ACIDS IN THE TOKACHI RIVER SYSTEM IN NORTHERN JAPAN

  Seiya Nagao, Takafumi Aramaki, Nobuhide Fujitake, Hiroki Kodama, Takayuki Tanaka, Shinya Ochiai, Masao Uchida, Yasuyuki Shibata, Masayoshi Yamamoto

  2013, RADIOCARBON, 55(2-3) (2-3), 1007 - 1016, English

  [Refereed]

  Scientific journal


• Physicochemical and Spectroscopic Characteristics of Charred Plant Fragments in Japanese Volcanic Ash Soils

  Syusaku Nishimura, Nobuhide Fujitake, Syuntaro Hiradate, Haruo Shindo

  Dec. 2012, SOIL SCIENCE, 177(12) (12), 695 - 700, English

  [Refereed]

  Scientific journal


• Features and properties of Chernozemic soils and humic substances in eastern Ukraine

  TANI Masayuki, SHINJO Hitoshi, FUJITAKE Nobuhide, SUMIDA Hiroaki, KOSAKI Takeshi

  日本ペドロジー学会, Dec. 2012, Pedologist, 56(2) (2), 47 - 57, English

  [Refereed]

  Scientific journal


• A Method for Quantitative Analysis of Aquatic Humic Substances in Clear Water Based on Carbon Concentration

  Kumiko Tsuda, Akihiro Takata, Hidekado Shirai, Katsutoshi Kozaki, Nobuhide Fujitake

  Oct. 2012, ANALYTICAL SCIENCES, 28(10) (10), 1017 - 1020, English

  [Refereed]

  Scientific journal


• Europium-binding abilities of dissolved humic substances isolated from deep groundwater in Horonobe area, Hokkaido, Japan

  Motoki Terashima, Seiya Nagao, Teruki Iwatsuki, Nobuhide Fujitake, Yoshimi Seida, Kazuki Iijima, Hideki Yoshikawa

  Aug. 2012, JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, 49(8) (8), 804 - 815, English

  [Refereed]

  Scientific journal


• Seasonal characteristics of surface water fulvic acids from Lake Biwa and Lake Tankai in Japan

  Nobuhide Fujitake, Kumiko Tsuda, Suzuka Aso, Hiroki Kodama, Masahiro Maruo, Koyo Yonebayashi

  Apr. 2012, LIMNOLOGY, 13(1) (1), 45 - 53, English

  [Refereed]

  Scientific journal


• Characterization of Soil Humic Acids by C-13 NMR Spectroscopy and High Performance Size Exclusion Chromatography

  Nobuhide Fujitake, Daichi Asakawa, Yukiko Yanagi

  Apr. 2012, BUNSEKI KAGAKU, 61(4) (4), 287 - 298, Japanese

  [Refereed][Invited]

  Scientific journal


• Characterization of Humic Like Substances in atmospheric aerosols using TMAH thermochemolysis GC/MS

  Daichi Asakawa, Nobuhide Fujitake

  2012, 29TH SYMPOSIUM ON AEROSOL SCIENCE AND TECHNOLOGY, 2012, 159 - 160, Chinese

  [Refereed]

  International conference proceedings


• Characterization of DAX-8 adsorbed soil fulvic acid fractions by various types of analyses

  Yasuo Iimura, Tomoya Ohtani, Silvia Chersich, Masayuki Tani, Nobuhide Fujitake

  2012, SOIL SCIENCE AND PLANT NUTRITION, 58(4) (4), 404 - 415, English

  [Refereed]

  Scientific journal


• Particle sizes of standard humic substances calculated as radii of gyration, maximum diameter and hydrodynamic radii

  KAWAHIGASHI Masayuki, FUJITAKE Nobuhide, YAJIMA Hiroyuki, SUMIDA Hiroaki

  Oct. 2011, Humic Substances Research, 8(1) (1), 13 - 18, English

  [Refereed]

  Scientific journal


• Decolorization of soil fulvic acids by laccases from Trametes versicolor and Trametes villosa

  YANAGI Yukiko, KITAYAMA Keiichi, TAHARA Hiroshi, FUJITAKE Nobuhide

  Oct. 2011, Humic Substances Research, 8(1) (1), 7 - 11, English

  [Refereed]

  Scientific journal


• Molecular size fractionation of soil humic acids using preparative high performance size-exclusion chromatography

  Daichi Asakawa, Yasuo Iimura, Takuro Kiyota, Yukiko Yanagi, Nobuhide Fujitake

  Sep. 2011, JOURNAL OF CHROMATOGRAPHY A, 1218(37) (37), 6448 - 6453, English

  [Refereed]

  Scientific journal


• Assessment of potentially reactive pools of aluminum in Andisols using a five-step sequential extraction procedure

  Qing-xia Dai, Noriharu Ae, Takeshi Suzuki, Mani Rajkumar, Shoko Fukunaga, Nobuhide Fujitake

  Aug. 2011, SOIL SCIENCE AND PLANT NUTRITION, 57(4) (4), 500 - 507, English

  [Refereed]

  Scientific journal


• CARBON ISOTOPE COMPOSITION OF DISSOLVED HUMIC AND FULVIC ACIDS IN THE TOKACHI RIVER SYSTEM

  Seiya Nagao, Hiroki Kodama, Takafumi Aramaki, Nobuhide Fujitake, Masao Uchida, Yasuyuki Shibata

  Jul. 2011, RADIATION PROTECTION DOSIMETRY, 146(1-3) (1-3), 322 - 325, English

  [Refereed]

  Scientific journal


• Effects of Large-Scale Composting Processes on Maturity and Humification of Cattle Manure

  TANI Masayuki, LI Xiangzhen, KATO Taku, MIYATAKE Fumihito, FUJITAKE Nobuhide, KOIKE Masanori

  大規模堆肥化処理方式の違いが牛ふん尿堆肥の腐植化に及ぼす影響を調べるために、堆積方式と撹拌方式により製造された堆肥から抽出された腐植物質の化学的および光学的特性を比較した。いずれの方式についても、堆肥化に伴うC／N比や易分解有機物量の減少、幼植物発芽試験における腐熟化の進行が認められた。一方、処理方式により、堆肥から抽出された腐植酸の光学的特性が著しく異なり、堆積方式では腐植酸の黒色化とカルボキシル基などの官能基構造の発達を伴う腐植化の進行が顕著であったのに対し、撹拌方式では堆肥化後も未熟でリグニン構造が残存した腐植酸であった。植物の生育に影響を及ぼす可能性がある動的な腐食物質を水抽出して比較したところ、堆積方式ではフルボ酸の増加と腐植化に伴う構造変化が認められたが、撹拌方式ではフルボ酸が減少した。処理方式が異なる堆肥の圃場還元においては、腐植化の違いを考慮した使い分けが必要である。

  農業施設学会, Jun. 2011, Journal of the Society of Agricultural Structures, Japan, 42(1) (1), 8 - 17, Japanese

  [Refereed]

  Scientific journal


• Effects of ecological succession on surface mineral horizons in Japanese volcanic ash soil

  Yasuo Iimura, Mari Fujimoto, Mitsuru Hirota, Kenji Tamura, Teruo Higashi, Koyo Yonebayashi, Nobuhide Fujitake

  Oct. 2010, GEODERMA, 159(1-2) (1-2), 122 - 130, English

  [Refereed]

  Scientific journal


• Effects of ecological succession on chemical characteristics of humic and fulvic acids in a Japanese volcanic ash soil

  IIMURA Yasuo, HIROTA Mitsuru, TAMURA Kenji, HIGASHI Teruo, FUJITAKE Nobuhide

  Aug. 2010, Proceedings of 19th World Congress of Soil Science, Brisbane, Australia, English

  International conference proceedings


• Sorption of pharmaceuticals to humic substances

  MORI Hisayo, OHTANI Tomoya, FUKUDA Itsuko, ASHIDA Hitoshi, FUJITAKE Nobuhide

  Jul. 2010, Proceedings of the 15th meeting of International Humic Substances Society, Puerto de la Curz, Spain, 3, 182 - 185, English

  [Refereed]

  International conference proceedings


• Similarities of 13C NMR spectroscopic properties of humic acids between black soils–andosols and chernozems

  FUJITAKE Nobuhide, TANI Masayuki, MSANYA Balthazar Michael, Abakumov Evgeny, KOZAKI Takashi

  Jul. 2010, Proceedings of the 15th meeting of International Humic Substances Society, Puerto de la Curz, Spain, 2, 62 - 65, English

  [Refereed]

  International conference proceedings


• Effect of clay minerals on the fungal degradation of humic acid

  YANAGI Yukiko, MAKINO Sachiko, MIYAGAWA Teruhisa, FUJITAKE Nobuhide

  Jul. 2010, Proceedings of the 15th meeting of International Humic Substances Society, Puerto de la Curz, Spain, 2, 321 - 323, English

  [Refereed]

  International conference proceedings


• Characterization and grouping of aquatic fulvic acids isolated from clear-water rivers and lakes in Japan

  Kumiko Tsuda, Hisayo Mori, Daichi Asakawa, Yukiko Yanagi, Hiroki Kodama, Seiya Nagao, Koyo Yonebayashi, Nobuhide Fujitake

  Jul. 2010, WATER RESEARCH, 44(13) (13), 3837 - 3846, English

  [Refereed]

  Scientific journal


• Relationship between distribution of charred plant residues and humus composition in chernozemic soils

  NISHIMURA Syusaku, TANI Masayuki, FUJITAKE Nobuhide, SHINDO Haruo

  Dec. 2009, Pedologist, 53(2) (2), 86 - 93, English

  [Refereed]

  Scientific journal


• Effects of groundwater humic substances on sorption of Np (V) on sandy materials

  NAGAO Seiya, SAKAMOTO Yoshiaki, RAO R.R, FUJITAKE Nobuhide

  Oct. 2009, Humic Substances Research, 5/6, 9 - 17, English

  [Refereed]

  Scientific journal


• Chemical properties of aquatic fulvic acids isolated from Lake Biwa, a clear water system in Japan

  FUJITAKE Nobuhide, KODAMA Hiroki, NAGAO Seiya, TSUDA Kumiko, YONEBAYASHI Koyo

  Oct. 2009, Humic Substances Research, 5/6, 45 - 53, English

  [Refereed]

  Scientific journal


• Features and Properties of chernozemic soils and humic substances in the Eurasian and Canadian Steppe

  TANI Masayuki, FUJITAKE Nobuhide, KOSAKI Takashi

  Jun. 2009, Pedologist, 53(1) (1), 46 - 50, Japanese

  [Refereed][Invited]


• Structure-activity relationships of anthraquinones on the suppression of DNA-binding activity of the aryl hydrocarbon receptor induced by 2,3,7,8-tetrachlorodibenzo-p-dioxin

  Itsuko Fukuda, Atsushi Kaneko, Shin Nishiumi, Masaya Kawase, Rika Nishikiori, Nobuhide Fujitake, Hitoshi Ashida

  Mar. 2009, JOURNAL OF BIOSCIENCE AND BIOENGINEERING, 107(3) (3), 296 - 300, English

  [Refereed]

  Scientific journal


• Effects of ecological succession on the characteristics of soil humic substances in a Japanese volcanic ash soil I. Concentration and chemical properties of humic substances.

  Fujitake N, Iimura Y, Hirota M, Tamura K, Higashi T

  2009, Proceedings of the International Symposium on Soil Organic Matter Dynamics: Land use, Management and Global Change, English

  International conference proceedings


• Effect of β-Glucan from bread yeast on rat cecum contents and fecal excretion

  FUKUDA Itsuko, KODOI Rie, KUBO Mayuko, FUJITAKE Nobuhide, ASHIDA Hitoshi

  A deficiency of dietary fiber causes digestive tract diseases. In the present study, the effect of β-glucan purified from baker's yeast (BBG) on the rat cecum contents and fecal excretion was examined using cellulose (CE) as a negative control fiber. Rats were fed with AIN-93M-based diet containing BBG or CE at 1%, 3%, or 5%, or a nonfiber diet for 4 weeks. Cecal tissue weight was significantly increased by 5% BBG diet compared with 5% CE diet, whereas the pH of cecal content was significantly decreased. Short-chain fatty acid including acetate, propionate, and n-butyrate in the rat cecum was significantly increased by 5% BBG diet compared with 5% CE diet, indicating that increasing the content of short-chain fatty acids in the cecum decreased the pH of cecal content. In addition, the water content of feces was also significantly increased by 5% BBG diet compared with 5% CE diet. These results suggest that BBG promote cecal fermentation and retain water in the large-intestinal lumen. In conclusion, BBG prevents constipation by modulating intestinal functions and its effectiveness is greater than that of CE.

  日本生物工学会, 2009, seibutsu-kogaku kaishi, 87(4) (4), 170 - 174, Japanese

  [Refereed]

  Scientific journal


• パン酵母β-グルカン摂取がラット盲腸内容物および糞便排泄に及ぼす影響

  FUKUDA Itsuko, KODOI Rie, KUBO Mayuko, FUJITAKE Nobuhide, ASHIDA Hitoshi, FUJITA Tsuyosi

  A deficiency of dietary fiber causes digestive tract diseases. In the present study, the effect of β-glucan purified from baker's yeast (BBG) on the rat cecum contents and fecal excretion was examined using cellulose (CE) as a negative control fiber. Rats were fed with AIN-93M-based diet containing BBG or CE at 1%, 3%, or 5%, or a nonfiber diet for 4 weeks. Cecal tissue weight was significantly increased by 5% BBG diet compared with 5% CE diet, whereas the pH of cecal content was significantly decreased. Short-chain fatty acid including acetate, propionate, and n-butyrate in the rat cecum was significantly increased by 5% BBG diet compared with 5% CE diet, indicating that increasing the content of short-chain fatty acids in the cecum decreased the pH of cecal content. In addition, the water content of feces was also significantly increased by 5% BBG diet compared with 5% CE diet. These results suggest that BBG promote cecal fermentation and retain water in the large-intestinal lumen. In conclusion, BBG prevents constipation by modulating intestinal functions and its effectiveness is greater than that of CE.

  日本生物工学会, 2009, 生物工学会誌, 87(4) (4), 170 - 174, Japanese

  [Refereed]

  Scientific journal


• The effect of use of coal clinker ash as revegetation substrate on revegetation woody plants

  SUZUKI Takeshi, SAKA Fumihiko, WATANABE Kunio, IKUMI Yoshio, FUJITAKE Nobuhide, OTSUKA Hiroo

  2009, Journal of the Japanese Society of Revegetation Technology, 35, 325 - 331, Japanese

  [Refereed]

  Scientific journal


• Humus and humic acids of Luvisol and Cambisol of Jiguli ridges, Samara region, Russia

  ABAKAMOV Evgeny, FUJITAKE Nobuhide, KOSAKI Takashi

  2009, Applied and Environmental Soil Science, 1, 1 - 5, English

  [Refereed]

  Scientific journal


• Population of humic acid degrading microorganisms under different soil types and vegetation types

  YANAGI Yukiko, YODA Kaor+i, OGURA Kazuhiko, FUJITAKE Nobuhide

  Sep. 2008, Proceedings of the 14th meeting of International Humic Substances Society, 2, 503 - 506, English

  [Refereed]

  International conference proceedings


• Genesis of Cambisol, Luvisol and Rendzic Leptosol of Samara forest-steppe ridges with special reference to characteristic of humic acids

  ABAKUMOV Evgeny, FUJITAKE Nobuhide, KOSAKI Takashi

  Sep. 2008, Proceedings of the 14th meeting of International Humic Substances Society, 1, 171 - 174, English

  [Refereed]

  International conference proceedings


• Comparison of 13C NMR spectra of fulvic acids from neighboring two clear water lakes in Japan

  TSUDA Kumiko, Aso Suzuka, KODAMA Hiroki, YONEBAYASHI Koyo, FUJITAKE Nobuhide

  Sep. 2008, Proceedings of the 14th meeting of International Humic Substances Society, 1, 333 - 336, English

  [Refereed]

  International conference proceedings


• Comparability of composition of carbon functional groups in humic acids between inverse-gated decoupling and cross polarization/magic angle spinning C-13 nuclear magnetic resonance techniques

  Akira Watanabe, Nobuhide Fujitake

  Jun. 2008, ANALYTICA CHIMICA ACTA, 618(1) (1), 110 - 115, English

  [Refereed]

  Scientific journal


• Optimization of conditions for high-performance size-exclusion chromatography of different soil humic acids

  Daichi Asakawa, Takuro Kiyota, Yukiko Yanagi, Nobuhide Fujitake

  May 2008, ANALYTICAL SCIENCES, 24(5) (5), 607 - 613, English

  [Refereed]

  Scientific journal


• Population of humic acid degrading microorganisms in Andosols under different vegetation types and grassland management regimens

  Yukiko Yanagi, Kaori Yoda, Kazuhiko Ogura, Nobuhide Fujitake

  2008, MICROBES AND ENVIRONMENTS, 23(1) (1), 44 - 48, English

  [Refereed]

  Scientific journal


• Characterization of hydrophobic acid fractions in water-soluble organic matter in Dystric Cambisol and in a stream in a small forested watershed: Seasonal and vertical variations in chemical properties

  Daichi Asakawa, Hidemasa Mochizuki, Yukiko Yanagi, Nobuhide Fujitake

  Oct. 2007, SOIL SCIENCE AND PLANT NUTRITION, 53(5) (5), 551 - 561, English

  [Refereed]

  Scientific journal


• Variations in Delta C-14 of humic substances in the Lake Biwa waters

  S. Nagao, H. Kodama, T. Aramaki, N. Fujitake, K. Yonebayashi

  Jun. 2007, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 259(1) (1), 552 - 557, English

  [Refereed]

  Scientific journal


• C-14 ages and delta C-13 of sclerotium grains found in forest soils

  Makiko Watanabe, Hiroyuki Sato, Hiroyuki Matsuzaki, Takayuki Kobayashi, Nobuo Sakagami, Yuji Maejima, Hiroyuki Ohta, Nobuhide Fujitake, Syuntaro Hiradate

  Apr. 2007, SOIL SCIENCE AND PLANT NUTRITION, 53(2) (2), 125 - 131, English

  [Refereed]

  Scientific journal


• Aluminum and iron contents of sclerotium grains and their role as persistent organic component in forest soils

  Sakagami N, Uehara H, Watanabe M, Fujitake N, Ohta H

  2007, Proceedings of International Symposium on Organic Matter Dynamics in Agro-Ecosystems, 402–403, English

  International conference proceedings


• Characterization of major and trace elements in sclerotium grains

  WATANABE Makiko, INOUE Yuzuru, SAKAGAMI Nobuyoshi, BOLORMAA Ochiro, KAWASAKI Keisuke, HIRADATE Syuntaro, FUJITAKE Nobuhide, OHTA Hiroyuki

  Jan. 2007, European Journal of Soil Science, 58(3) (3), 786 - 793, English

  [Refereed]

  Scientific journal


• Effects of operational conditions for extraction and sample storage on the structural properties of water-extractable humic substances in soil.

  Daichi Asakawa, Hidemasa Mochizuki, Yukiko Yanagi, Takeshi Suzuki, Seiya Nagao, Nobuhide Fujitake

  Aug. 2006, Humic Substances Research, 3, 1 - 10, English

  [Refereed]

  Scientific journal


• Comparison of humic acid fractions derived from thermally created plant residues and natural soils: Spectroscopic and elemental analyses

  Nazmul A. Khan, Nobuhide Fujitake, Yukio Noda, Takeshi Suzuki, Hiroo Otsuka

  Jun. 2006, SOIL SCIENCE AND PLANT NUTRITION, 52(3) (3), 349 - 360, English

  [Refereed]

  Scientific journal


• Changes in elemental composition, molecular weight and H-1 NMR spectra of the water-extractable hydrophobic acid fraction in Cambisol with season and soil depth

  Daichi Asakawa, Hidemasa Mochizuki, Yukiko Yanagi, Takeshi Suzuki, Seiya Nagao, Nobuhide Fujitake

  Jun. 2006, SOIL SCIENCE AND PLANT NUTRITION, 52(3) (3), 361 - 370, English

  [Refereed]

  Scientific journal


• Effect of Fe, Mn or Al compounds on humification of three types of plant residues during thermal incubation

  SA Bulosan-Atendido, T Suzuki, N Fujitake, H Otsuka

  Dec. 2005, SOIL SCIENCE AND PLANT NUTRITION, 51(7) (7), 925 - 933, English

  [Refereed]

  Scientific journal


• Method for estimating the content of the chloroform-extractable green fraction (CEGF) in HCl-DMSO extract of soils

  T Kobayashi, D Asakawa, Y Yanagi, T Suzuki, M Watanabe, H Ohta, N Fujitake

  Oct. 2005, SOIL SCIENCE AND PLANT NUTRITION, 51(6) (6), 779 - 786, English

  [Refereed]

  Scientific journal


• Soil chemical properties and distribution of sclerotium grains in forest soils, Harz Mts., Germany

  M Watanabe, S Ohishi, A Pott, HZ Ulrike, K Aoki, N Sakagami, H Ohta, N Fujitake

  Dec. 2004, SOIL SCIENCE AND PLANT NUTRITION, 50(6) (6), 863 - 870, English

  [Refereed]

  Scientific journal


• Aluminum oxyhydroxide polymorphs and some micromorphological characteristics in sclerotium grains

  M Watanabe, A Genseki, N Sakagami, Y Inoue, H Ohta, N Fujitake

  Dec. 2004, SOIL SCIENCE AND PLANT NUTRITION, 50(8) (8), 1205 - 1210, English

  Scientific journal


• Aerobic composting of chips from clear-cut trees with various co-materials

  T Suzuki, Y Ikumi, S Okamoto, Watanabe, I, N Fujitake, H Otsuka

  Nov. 2004, BIORESOURCE TECHNOLOGY, 95(2) (2), 121 - 128, English

  Scientific journal

  Link to Kobe Univ. Repository (Kernel)


• Radiocarbon of dissolved humic substances in river waters from the Chernobyl area

  S Nagao, T Aramaki, N Fujitake, T Matsunaga, Y Tkachenko

  Aug. 2004, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 223, 848 - 853, English

  Scientific journal


• The Role and Functions of Soil Organic Constituents in the Terrestrial Ecosystem and Environment

  Fuiitake Nobuhide

  Japanese Society of Soil Science and Plant Nutrition, 2004, Japanese Journal of Soil Science and Plant Nutrition, 75(4) (4), 514 - 515, Japanese


• 非アロフェン黒ぼく土における菌核粒子の分布と土壌化学性との関係

  坂上伸生, 渡邊眞紀子, 太田寛行, 藤嶽暢英

  Sclerotium grain is the resting body of ectomycorrhizal fungi found in forest soils. A melanic-spherical shape in approximately 1-2mm diameter characterizes the external feature of the grain, and a hollow structure with honeycomb transverse wall appears inside the grain. In our previous studies, we reported a high aluminum concentration inside sclerotium grains and suggested the close relationship between the status of active aluminum and the distribution of these grains in Andosols (Watanabe et al., 2001; 2002). Here we examined the chemical properties focused on active aluminum and carbon in several nonallophanic Andosols under forest vegetation for further discussions on the regulating factor of the distribution of the sclerotium grains. In each studied soil profile, the mean weight of sclerotium grain (mg grain^<-1>) had a tendency to increase with the content of exchangeable aluminum, content of total organic carbon and nitrogen, carbon content of humic acid extracted from soils. The ratio of Alp to total organic C(Al_p/T-C) showed a strong negative correlation between the mean weight sclerotium grains regardless of profiles. The bonding ratio of carbon and aluminum in soils was assumed to be one of the factor influencing the development of sclerotium grains.

  Japanese Society of Pedology, 2004, ペドロジスト, 48(1) (1), 24-32 - 32, Japanese

  Scientific journal


• Decolorization of Humic Acids from Buried Humic Layers of Different Ages by Coriolus consors in the Loam Beds near Mt.Ashitaka,Central Japan

  Yukiko Yanagi, Nobuhide Fujitake, Makiko Watanabe

  The decolorization of humic acids from five different humic layers of ages from 8, 000 to 30, 000yrs BP by Coriolus consors IFO9078 was studied to understand the factors affecting the stability of humic substances in buried humic layers of the Holocene to late Pleistocene, which developed in weathered tephra beds called loam beds in Japan. After three weeks of incubation, the buried humic acids showed clear decolorization, but the magnitude of decolorization was lower than that of the humic acids from various Holocene surface soils in a previous study. Although the buried humic acids in this study were obtained from layers of different soil ages, the elemental compositions of all humic acids have similar highly dehydrated properties. These results suggest that the high resistance of the buried humic acids against microbial degradation may be due not only to the formation of humic-clay complex and the decline of microbial activity but also to the chemical properties of humic substances.

  Japan Association for Quaternary Research, 2004, The Quaternary Research, 43(5) (5), 367 - 373, Japanese


• 非アロフェン黒ぼく土における土壌菌核粒子分布と土壌科学性状

  坂上 伸生, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  2004, ペトロジスト, 48,24-32, Japanese

  Scientific journal


• 土壌化学的手法を用いた小野湖（ダム湖）堆積物のキャラクタリゼーション

  長谷川 政江, 臼井 恵次, 藤嶽 暢英, 本間 洋美, 進藤 晴夫

  To obtain fundamental information on the nature and properties of sediments in dammed lakes, we investigated various properties of sediment from dammed Lake Ono using soil scientific methods. Furthermore, the Lake Ono sediment was characterized by comparing its various properties with those of yellow soil. 1) Lake Ono is a eutrophic lake which phosphorus is a limiting factor. 2) The pH, exchangeable base content, and degree of base saturation of the sediment were much higher than those of the soil. 3) The clay content of the sediment was 2 times higher than that of the soil. The texture of the sediment was Heavy clay (HC), while that of the soil was Clay loam (CL). There were no large differences on organic carbon and total nitrogen contents, and the C/N ratio between the sediment and the soil. 5) The "combine"-form humus content of the sediment was higher than that of the soil. The reverse was true for the "free"-form humus content. 6) The X-ray diffraction patterns of the clay fraction of the sediment were almost the same as those of the clay fraction of the soil. 7) The elemental composition and 13C-NMR spectrum of the fulvic acid isolated from the sediment were similar to those of the soil. On the basis of the present findings and previous information on the properties of soil distributed in catchment areas, it was assumed that the Lake Ono sediment is strongly affected by soil particles and Ca in its catchment areas, which flow into the lake.

  Japan Society on Water Environment, 2004, 水環境学会誌, 27,9, 597-603(9) (9), 597 - 603, Japanese

  Scientific journal


• 生成年代の異なる埋没腐植酸の担子菌Coriolus consorsによる褪色特性－愛鷹ロームを事例にして－

  柳 由貴子, 藤嶽 暢英, 渡邊 眞紀子

  2004, 第四紀研究, 43,367-373, Japanese

  Scientific journal


• イナワラと石炭灰を用いたＡ型腐植酸様物質の創出

  井汲 芳夫, 八幡 有紀, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  An attempt to create a soil amendment containing Type A humic acid-like substances was done by means of thermal incubation of a mixture of rice straw (RS) and coal fly ash (CFA). The specific objectives of the study are the following: 1) To make an effective use of CFA, a by-product of coal-fired power stations, and 2) To fix carbon in the soil for a long term period as Type A humic acids which are known to be hard to decompose. Optimal incubation conditions to create Type A humic acid-like substances were examined. Furthermore, the chemical properties of the created samples were analyzed. The results obtained can be summarized as follows: 1) It was found that among the three temperature conditions imposed (60, 75 and 90℃), 90℃ was the most suitable for the progress of humification, and that a water supply was very necessary. 2) Since the humic acid-like substances extracted from the incubated sample showed a high degree of humification at the pH range of 3-4, the increase in the degree of humification of the humic acid-like,substances may be accelerated by maintaining a low pH condition during incubation. 3) The highest RF value was observed in the mixture with a dry weight ratio of 1:1 (CFA:RS) after 180 d incubation at 90℃ with water. The 〓logK and RF values of the humic acid-like substances extracted with the mixed solution (pH 7) of 0.1 mol L^<-1> Na_4P_2O_7 and 0.1 mol L^<-1> H_4P_2O_7 was 0.686 and 94.2 respectively, and these humic acid-like substances corresponded to Type A humic acids. 4) The yields of Type A humic acid-like substances from the incubated mixture of CFA and RS (dry weight ratio of 1:1 and 1:2) were estimated to be at least 13.6% and 14.6% of the carbon contents of the samples at the start of the incubation, respectively. 5) The contents of nutrients, such as nitrogen and phosphorus in the incubated sample were smaller than those reported for other soil amendments such as rice straw compost. Therefore, additional application of nitrogen and phosphate fertilizers would be needed in the actual scene for agronomical application of this soil amendment.

  Japanese Society of Soil Science and Plant Nutrition, 2004, 日本土壌肥料学会誌, 75,641-649(6) (6), 641 - 649, Japanese

  Scientific journal


• Status of Aluminum and Humus as the Regulating Factor of the Growth of Sclerotium Grain in Forest Soils, Japan.

  SAKAGAMI N, WATANABE M, OHTA H, FUJITAKE Nobuhide

  2004, Proceedings of the 6th International Symposium on Plant-Soil Interaction at Low pH PSILPH., 未記入, English

  International conference proceedings


• Production and several properties of humic acids during decomposition process of charred plant materials in the presence of H2O2.

  SHINDO H, USHIJIMA N, HIRADATE S, FUJITAKE Nobuhide, HONMA H

  2004, Humic Substances Research, 1,1,29-37, 29 - 37, English

  Scientific journal


• Morphology, Chemical Properties and Distribution of Sclerotium Grains Found in Forest Soils, Harz Mts.

  WATANABE M, OHISHI S, POTT A, HARDENBICKER U, AOKI K, SAKAGAMI N, OHTA H, FUJITAKE Nobuhide

  2004, Germany. Soil. Sci. and Plant Nutr., 50(6) 863-870, English

  Scientific journal


• Humification of three plant residues with Sakurajima volcanic ash as influenced by phosphate addition and low pH condition

  Bulosan-Atendido SA, Suzuki Takeshi, Otsuka H, Fujitake Nobuhide, ISHIBASHI T

  The influence of phosphate addition and low pH condition on humification of three plant residues were determined by performing model thermal incubations of the plant residues rice straw (Oryza sativa), broadleaf sawdust (Kashiwa, Quercus dentate), and coniferous sawdust (Japanese cider, Cryptomeria japonica) with Sakurajima volcanic ash. Four experimental set ups were prepared: (Group 1) plant residues only; (Group 2) plant residues with Sakurajima volcanic ash; (Group 3) plant residues with Sakurajima volcanic ash and Na_2HPO_4; and (Group 4) plant residues with Sakurajima volcanic ash and Na_2HPO_4 with the pH adjusted to 5. Humic acids were extracted using a mixed solution of 0.02 M Na_4P_2O_7 and 0.1 M NaOH. Extractable Fe and Al oxides were determined using three different extraction methods: dithionite-citrate-bicarbonate (DCB), acid-oxalate (TAMM), and Na-pyrophosphate (NaPP). The pH values obtained for Group 1 samples ranged from 2.75 to 6.21; Group 2 samples were from 3.74 to 4.78; Group 3 samples were near neutral or alkaline, ranging from 6.93 to 7.59; and the values for Group 4 samples ranged from 5.38 to 6.28. The ΔlogK values decreased with longer incubation times while the RF values increased. Group 3 samples showed a decrease in RF values compared to Group 2. Type A humic acids were produced only from Group 2 samples derived from rice straw and broad leaf sawdust after about 120 incubation days. The amounts of the Fe and Al from all types of extraction methods decreased in Groups 3 and 4 indicating a possible binding up of these components with phosphate ions. It can be concluded that addition of Na_2HPO_4 increased the pH of the system and at the same time lowers the solubility of Fe and Al present in the Sakurajima volcanic ash. However, adjusting the pH to 5 to maintain lower pH conditions, has slightly increased the solubility of Fe and Al. Therefore, the higher the amount of extractable Fe and Al, the higher the RF values indicating a faster humification process. The relatively small amounts of Fe and Al in higher pH values and their reaction with phosphate rendered these components ineffective in hastening the humification process. Based on the correlation analysis, Al was more effective in hastening the humification process than Fe.

  Japanese Society of Pedology, 2004, ペドロジスト, 48 2 72-82(2) (2), 72 - 82, English

  [Refereed]

  Scientific journal


• Characterization of humic substances in variuous soils and waters by 13C NMR spectroscopy.

  FUJITAKE Nobuhide, KHAN N A, YANAGI Y, ASAKAWA D, SUZUKI Takeshi, KODAMA H, NAGAO S, TANI M

  2004, In Humic Substances and Soil and Water Encironment: Proceedings 12th International meeting of IHSS, Sao Pedro, Sao Paulo, Brazil, Editors: L. Martin-Neto et al., 386-388, English

  International conference proceedings


• Changes of lentinan contents and glucanase activity in Lentinus edodes stored under controlled atmosphere.

  KAWAKAMI S, MINATO K, TOKIMOTO K, FUJITAKE Nobuhide, MIZUNO Masashi

  2004, Int. J. Medic. Mushrooms., 6, pp.57-62, English

  Scientific journal


• Changes of lentinan contents and glucanase activity in Lentinus edodes stored under controlled atmosphere

  KAWAKAMI S, MINATO K, TOKIMOTO K, FUJITAKE Nobuhide, MIZUNO Masashi

  2004, Int. J.Medic. Mushrooms, 6, 未記入, English

  Scientific journal


• Changes of lentinan contents and glucanase activity in lentinus edodes(Berk.) Singer (Agricomycetideae) stored under controlled atmosphere.

  KAWAKAMI S, MINATO K.-I, TOKIMOTO K, FUJITAKE Nobuhide, MIZUNO M

  2004, International Journal of Medicinal Mushrooms., 6,57-62, English

  Scientific journal


• Changes in structural properties of humic substances transformed by enzymatic reeactions.

  YANAGI Y, KITAYAMA K, SUZUKI Takeshi, FUJITAKE Nobuhide

  2004, In Humic Substances and Soil and Water Encironment: Proceedings 12th International meeting of IHSS, Sao Pedro, Sao Paulo, Brazil, Editors: L. Martin-Neto et al., 425-427, English

  International conference proceedings


• Properties of soil humic substances in fractions obtained by sequential extraction with pyrophosphate solutions at different pHs. III. FT-IR and H-1 NMR spectra of humic acids

  N Fujitake, A Kusumoto, Y Yanagi, T Suzuki, H Otsuka

  Jun. 2003, SOIL SCIENCE AND PLANT NUTRITION, 49(3) (3), 347 - 353, English

  Scientific journal


• Optimization of a methylation procedure to obtain chloroform-soluble humic acids

  N Fujitake, MJ Strynar, T Mishima, M Tsukamoto, Y Yanagi, T Suzuki, H Otsuka, J Dec, JM Bollag

  Jun. 2003, SOIL SCIENCE AND PLANT NUTRITION, 49(3) (3), 453 - 457, English

  Scientific journal


• Relation of chemical properties of soil humic acids to decolorization by white rot fungus-coriolus consors

  Y Yanagi, S Hamaguchi, H Tamaki, T Suzuki, H Otsuka, N Fujitake

  Apr. 2003, SOIL SCIENCE AND PLANT NUTRITION, 49(2) (2), 201 - 206, English

  Scientific journal


• 我が国の腐植物質研究とその展望 3.腐植物質分析の技術と今後期待される分析手法

  藤嶽 暢英

  2003, 土肥誌, 74,223-228, 223 - 228, Japanese

  Scientific journal


• Macrophages stimulated with polysaccharide purified from Agaricus brasiliensis enhance mRNA expression of Th1 cytokine including IL-12 and 18

  MIZUNO Masashi, KAWAKAMI S, SAKAMOTO Y, FUJITAKE Nobuhide

  2003, Int. J. Med. Mushrooms, 5, 397-403, English

  [Refereed]

  Scientific journal


• Macrophages stimulated by polysaccharide purified from Agaricus brasiliensis S. Wasser et al. (Agaricomycetideae) enhance mRNA expression of Th1 cytokineincluding IL-12 and 18

  MIZUNO Masashi, KAWAKAMI S, SAKAMOTO Y, FUJITAKE Nobuhide

  2003, Int. J. Medic.Mushrooms, 5,pp.397-403., 383 - 389, English

  Scientific journal


• Characterization of Sphingomonas Species Found as Predominant Members in the Culturable Bacterial Community of a Green Pigment-Containing Sclerotium Grain from Mt. Myoko (Japan) Volcanic Ash Soil

  Hiroyuki Ohta, Michie Yagi, Junko Suzuki, Nobuhide Fujitake, Makiko Watanabe

  2003, Microbes and Environments, 18(3) (3), 126 - 132, English

  Scientific journal


• Association of Am with humic substances isolated from river waters with different water quality

  S Nagao, N Fujitake, H Kodama, T Matsunaga, H Yamazawa

  2003, JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, 255(3) (3), 459 - 464, English

  Scientific journal


• Aerobic composting of clear-cut tree chips with various co-materials.

  SUZUKI T, IKUMI Y, OKAMOTO S, WATANABE I, FUJITAKE Nobuhide, OTSUKA H

  2003, Bioresouce Technol., 未記入, English

  Scientific journal


• Distribution and development of sclerotium grains as influenced by aluminum status in volcanic ash soils

  M Watanabe, T Kado, H Ohta, N Fujitake

  Aug. 2002, SOIL SCIENCE AND PLANT NUTRITION, 48(4) (4), 569 - 575, English

  [Refereed]

  Scientific journal


• Comparison of decolorization by microorganisms of humic acids with different C-13 NMR properties

  Y Yanagi, H Tamaki, H Otsuka, N Fujitake

  May 2002, SOIL BIOLOGY & BIOCHEMISTRY, 34(5) (5), 729 - 731, English

  [Refereed]

  Scientific journal


• Relationship between viscosity and molecular weight in an Andosol humic acid

  M Kawahigashi, N Fujitake

  Jun. 2001, SOIL SCIENCE AND PLANT NUTRITION, 47(2) (2), 399 - 404, English

  [Refereed]

  Scientific journal


• Aluminum concentrations in sclerotia from a buried humic horizon of volcanic ash soils in Mt. Myoko, central Japan

  M Watanabe, N Fujitake, H Ohta, T Yokoyama

  Jun. 2001, SOIL SCIENCE AND PLANT NUTRITION, 47(2) (2), 411 - 418, English

  [Refereed]

  Scientific journal


• Studies of complex formation between anthraquinones and metal ions by electrospray ionization mass spectrometry

  R Arakawa, A Sasao, T Abura, T Suzuki, N Fujitake

  2001, EUROPEAN JOURNAL OF MASS SPECTROMETRY, 7(6) (6), 467 - 471, English

  [Refereed]

  Scientific journal


• C-13 NMR spectra and elemental composition of fractions with different particle sizes from an Andosol humic acid

  N Fujitake, M Kawahigashi

  Jun. 1999, SOIL SCIENCE AND PLANT NUTRITION, 45(2) (2), 359 - 366, English

  [Refereed]

  Scientific journal


• Properties of soil humic substances in fractions obtained by sequential extraction with pyrophosphate solutions at different pHs - II. Elemental composition and UV-VIS spectra of humic acids

  N Fujitake, A Kusumoto, M Tsukamoto, Y Noda, T Suzuki, H Otsuka

  Jun. 1999, SOIL SCIENCE AND PLANT NUTRITION, 45(2) (2), 349 - 358, English

  [Refereed]

  Scientific journal


• Horizontal distribution of main hydroxyanthraquinones in soil

  T Suzuki, N Fujitake, Y Oji

  Jun. 1999, SOIL SCIENCE AND PLANT NUTRITION, 45(2) (2), 297 - 306, English

  [Refereed]

  Scientific journal


• Vertical distribution of main soil hydroxyanthraquinones in soil profiles

  Takeshi Suzuki, Nobuhide Fujitake, Yoko Ueda, Yoshikiyo Oji

  1999, Soil Science and Plant Nutrition, 45(3) (3), 551 - 561, English

  [Refereed]

  Scientific journal


• Surface-active properties of particle size fractions in two humic acids

  M Kawahigashi, N Fujitake

  Dec. 1998, SOIL SCIENCE AND PLANT NUTRITION, 44(4) (4), 497 - 505, English

  [Refereed]

  Scientific journal


• Properties of soil humic substances in fractions obtained by sequential extraction with pyrophosphate solutions at different pHs I. Yield and particle size distribution

  N Fujitake, A Kusumoto, M Tsukamoto, M Kawahigashi, T Suzuki, H Otsuka

  Jun. 1998, SOIL SCIENCE AND PLANT NUTRITION, 44(2) (2), 253 - 260, English

  [Refereed]

  Scientific journal


• Predomination of dimers over naturally occurring anthraquinones in soil

  N Fujitake, T Suzuki, M Fukumoto, Y Oji

  Feb. 1998, JOURNAL OF NATURAL PRODUCTS, 61(2) (2), 189 - 192, English

  [Refereed]

  Scientific journal


• Structural information obtained from spectral analysis (UV-VIS, IR, H-1 NMR) of particle size fractions in two humic acids

  M Kawahigashi, N Fujitake, T Takahashi

  Jun. 1996, SOIL SCIENCE AND PLANT NUTRITION, 42(2) (2), 355 - 360, English

  [Refereed]

  Scientific journal


• Quantitative determination of the main hydroxyanthraquinones in soils by TLC with two-stage development

  T Suzuki, N Fujitake, Y Oji, T Takahashi

  Jan. 1996, JPC-JOURNAL OF PLANAR CHROMATOGRAPHY-MODERN TLC, 9(1) (1), 48 - 51, English

  [Refereed]

  Scientific journal


• Chrysotalunin, a most prominent soil anthraquinone pigment in Japanese soils

  N. Fujitake, J. Azuma, T. Hamasaki, H. Nakajima, K. Saiki

  May 1992, Science of the Total Environment, The, 117-118(C) (C), 219 - 226, English

  [Refereed]

  Scientific journal


• DISTRIBUTION OF CHRYSOTALUNIN, A MAJOR SOIL ANTHRAQUINONE PIGMENT, IN VARIOUS SURFACE SOILS OF JAPAN

  N FUJITAKE, J AZUMA, T HAMASAKI

  Dec. 1991, SOIL SCIENCE AND PLANT NUTRITION, 37(4) (4), 619 - 627, English

  [Refereed]

  Scientific journal


• DETERMINATION OF CHRYSOTALUNIN, A PREDOMINANT SOIL ANTHRAQUINONE PIGMENT, BY HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY

  N FUJITAKE, J AZUMA, T HAMASAKI, H NAKAJIMA, K SAIKI

  Apr. 1991, GEODERMA, 48(1-2) (1-2), 83 - 91, English

  [Refereed]

  Scientific journal

• Organic and inorganic nitrogen deposition at a deciduous broad-leaved forest in Kanto region.

  近藤美由紀, 久司雅登, 篠原隆一郎, 中島知里, 飯村康夫, 藤嶽暢英, 吉竹晋平, 篠塚賢一, 大塚俊之

  2024, 日本生態学会大会講演要旨(Web), 71st


• Long-term changes in soil physicochemical properties by biochar application in a warm-temperate oak forest.

  内田理沙, 藤崎綾音, 鈴木武志, 飯村康夫, 大塚俊之, 近藤美由紀, 吉竹晋平, 藤嶽暢英

  2024, 日本生態学会大会講演要旨(Web), 71st


• 森林へのバイオ炭施用にともなう土壌水分の中長期的な応答性

  藤崎綾音, 飯村康夫, 大塚俊之, 近藤美由紀, 吉竹晋平, 藤嶽暢英

  2023, 日本土壌肥料学会講演要旨集(Web), 69


• 森林土壌におけるバイオ炭の添加がpH緩衝能に及ぼす影響

  仙波成都, 飯村康夫, 吉竹晋平, 藤嶽暢英

  2023, 日本土壌肥料学会講演要旨集(Web), 69


• バイオ炭施用した暖温帯コナラ林における林内雨による窒素沈着と土壌への浸透

  近藤美由紀, 久司雅登, 篠原隆一郎, 中島知里, 飯村康夫, 藤嶽暢英, 吉竹晋平, 大塚俊之

  2023, 日本土壌肥料学会講演要旨集(Web), 69


• 森林へのバイオ炭施用が7年間の従属栄養生物呼吸に及ぼす影響

  岡田駿, 月森勇気, 惠日格也, 友常満利, 小泉博, 飯村康夫, 大塚俊之, 近藤美由紀, 藤嶽暢英, 吉竹晋平

  2023, 日本土壌肥料学会講演要旨集(Web), 69


• 北極域土壌における腐植物質の化学的特性

  田端爽一, 内田雅己, 米村正一郎, 原田浩幸, 藤嶽暢英

  2023, 日本農業気象学会全国大会講演要旨(CD-ROM), 2023


• 篠山城跡南堀のハスはなぜ消滅したか(第3報)

  鈴木武志, 野口翔大, 木田森丸, 藤嶽暢英

  2023, 日本土壌肥料学会講演要旨集(Web), 69


• マングローブ土壌に対する比重分画法の最適条件の検討

  浜田航太, 大塚俊之, 藤嶽暢英, 木田森丸

  2023, 日本土壌肥料学会講演要旨集(Web), 69


• 有機肥料施用による重金属類汚染土壌のファイトエクストラクション促進能の評価(第2報)-栽培試験による評価-

  稗田京平, 鈴木武志, 木田森丸, 藤嶽暢英

  2023, 日本土壌肥料学会講演要旨集(Web), 69


• タイトラート川流域におけるマングローブ林内土壌の植生および深度別の無機物の特徴

  金城和俊, 木田森丸, 藤嶽暢英, 大塚俊之

  2023, 日本土壌肥料学会講演要旨集(Web), 69


• 北極域土壌における腐植酸の分解

  田端爽一, 内田雅己, 藤嶽暢英, 原田浩幸, 米村正一郎

  2023, 日本土壌肥料学会講演要旨集(Web), 69


• 鉱物結合型土壌有機物量を決定する要因の解析

  大平麻有里, 大下田真帆, 藤嶽暢英, 木田森丸

  2022, 日本土壌肥料学会講演要旨集(Web), 68


• 石垣島吹通川マングローブ林の比重画分別土壌有機物特性-安定化機序の解明に向けて-

  浜田航太, 大塚俊之, 藤嶽暢英, 木田森丸

  2022, 日本土壌肥料学会講演要旨集(Web), 68


• 高緯度北極湿原における凍土融解水中の溶存有機物の光分解作用の解析

  阪上詩織, 壷田紘花, 木田森丸, 鈴木武志, 藤嶽暢英

  2022, 日本土壌肥料学会講演要旨集(Web), 68


• プランターを用いた栽培実験による低温炭化バイオチャーの土壌改良効果に関する研究

  山本佳奈, 鈴木武志, 前田瑞晴, 宇都祐治, 木田森丸, 藤嶽暢英

  2022, 日本土壌肥料学会講演要旨集(Web), 68


• 土壌中のマイクロプラスチックとシマミミズ(Eisenia fetida)の相互作用

  渡邉幹, 鈴木武志, 木田森丸, 藤嶽暢英

  2022, 日本土壌肥料学会講演要旨集(Web), 68


• 発生ガス質量分析法及び多段階熱分解ガスクロマトグラフィー質量分析法を用いたスコットランドピートの化学特性解析

  武田直也, 布施泰朗, 藤嶽暢英, 木田森丸

  2022, 分析化学討論会講演要旨集(Web), 82nd


• 発生ガス質量分析法及び多段階熱分解ガスクロマトグラフィー質量分析法によるスコットランドピートの系統評価法

  武田直也, 布施泰朗, 初雪, 藤嶽暢英, 木田森丸, 塩見真央

  2022, 日本分析化学会年会講演要旨集(Web), 71st


• Changes of dissolved organic matter during flowing-down of rivers in Langhovde ice-free area, Antarctica

  小島汰一, 木田森丸, 田邊優貴子, 田邊優貴子, 林健太郎, 工藤栄, 工藤栄, 藤嶽暢英

  2021, Humic Substances Research, 16/17(1) (1)


• 植生・深度別のマングローブ土壌有機物の貯留量と組成(トラート・タイ王国)

  木田森丸, 渡邉育弥, 金城和俊, 近藤美由紀, 大塚俊之, 藤嶽暢英

  2021, 日本土壌肥料学会講演要旨集(Web), 67


• Multi-Shot Pyrolizer GC/MSを用いた琵琶湖由来フルボ酸の化学特性解析

  百合藤桃加, 山口保彦, 早川和秀, 木田森丸, 藤嶽暢英, 布施泰朗

  2021, 日本陸水学会大会講演要旨集, 85th


• 強酸性土壌における溶存有機物の三次元蛍光分析手法の開発

  渡邉育弥, 芦田均, 木田森丸, 鈴木武志, 藤嶽暢英

  2020, 日本土壌肥料学会講演要旨集(Web), 66


• タイ王国トラート川河口マングローブ林における植生・深度別土壌有機物の分光学的特徴

  渡邉育弥, 木田森丸, SUCHEWABORIPONT Vilanee, POUNGPARN Sasitorn, 友常満利, 友常満利, 近藤美由紀, 吉竹晋平, 飯村康夫, 金城和俊, MAKNUAL Chatree, 大塚俊之, 藤嶽暢英

  2019, 日本土壌肥料学会講演要旨集(Web), 65


• 南極土壌の有機物および鉱物の特性

  高垣彩咲子, 加藤拓, 近藤美由紀, 田邊優貴子, 林健太郎, 木田森丸, 工藤栄, 藤嶽暢英

  2019, 日本土壌肥料学会講演要旨集(Web), 65


• The Long-term Dynamics and Spectroscopic Characteristics of Dissolved Organic Matter in Paddy Soil Converted from Rotation to Monoculture under Different Fertilization Treatments

  GO Keikyo, KIDA Morimaru, DOMOTO Akiko, DOMOTO Akiko, ASHIDA Hitoshi, SUZUKI Takeshi, FUJITAKE Nobuhide

  2018, 日本土壌肥料学会講演要旨集, 64


• Seasonal change of photosynthesis of benthic communities in Antarctic lakes

  TANABE Yukiko, TANABE Yukiko, KOKUBUN Nobuo, KOKUBUN Nobuo, HAYASHI Kentaro, FUJITAKE Nobuhide, KIDA Morimaru, KUDOH Sakae, KUDOH Sakae

  2018, 極域科学シンポジウム(Web), 9th


• 南極湖底堆積物の硝化能定量の試み

  林健太郎, 田邊優貴子, 田邊優貴子, 藤嶽暢英, 木田森丸, 早津雅仁, 工藤栄, 工藤栄

  2018, 日本生態学会大会講演要旨(Web), 65th


• タイ王国トラート川流域マングローブ林における溶存無機炭素の日変動:雨季と乾季における観測事例

  近藤美由紀, 高橋浩, 吉竹晋平, 木田森丸, 藤嶽暢英, POUNGPARN Sasitorn, SUCHEWABORIPONT Vilanee, 大塚俊之

  2018, 日本生態学会大会講演要旨(Web), 65th


• 石垣島吹通川マングローブ林の土壌腐植物質の化学構造特性解析

  木田森丸, 友常満利, 近藤美由紀, 金城和俊, 大塚俊之, 藤嶽暢英

  2018, 日本土壌肥料学会講演要旨集, 64


• 異なる植生,地形および地質特徴のマングローブ林内の堆積炭素

  金城和俊, 木田森丸, 飯村康夫, 藤嶽暢英, SASITORN Poungparn, 大塚俊之

  2018, 日本土壌肥料学会講演要旨集, 64


• 南極地域宗谷海岸露岩域に土壌はあるのか

  高垣彩咲子, 木田森丸, 田邊優貴子, 林健太郎, 工藤栄, 近藤美由紀, 加藤拓, 藤嶽暢英

  2018, 日本土壌肥料学会講演要旨集, 64


• 南極湖底堆積物の窒素代謝を探る

  林健太郎, 田邊優貴子, 田邊優貴子, 藤嶽暢英, 木田森丸, 早津雅仁, 工藤栄, 工藤栄

  2018, 日本陸水学会大会講演要旨集, 83rd


• 東南極・宗谷海岸露岩域における溶存有機物の特性評価

  木田森丸, 小島汰一, 田邊優貴子, 林健太郎, 工藤栄, 眞家永光, 藤嶽暢英

  2018, 日本陸水学会大会講演要旨集, 83rd


• 南極湖底生物群集の光合成の季節変化,および湖底堆積物による湖沼誕生年代の解明に向けた研究

  田邊優貴子, 國分亙彦, 林健太郎, 木田森丸, 菅沼悠介, 香月興太, 川又基人, 柴田大輔, 藤嶽暢英, 工藤栄

  2018, 日本陸水学会大会講演要旨集, 83rd


• 南極雪鳥沢およびやつで沢の溶存有機物の特性

  小島汰一, 木田森丸, 田邊優貴子, 田邊優貴子, 林健太郎, 工藤栄, 工藤栄, 藤嶽暢英

  2018, 極域科学シンポジウム(Web), 9th


• マングローブの生態系純生産量(NEP)は本当に大きいのか?

  大塚俊之, 荒井秀, 友常満利, 吉竹晋平, 大西健夫, 藤嶽暢英, 木田森丸, 近藤美由紀, 飯村康夫, 金城和俊

  2018, 日本生態学会大会講演要旨(Web), 65th, ROMBUNNO.P2‐310 (WEB ONLY), Japanese


• マングローブ林における炭素動態定量のための水・物質動態モデリング

  大西健夫, 吉竹晋平, 友常満利, 近藤美由紀, 藤嶽暢英, 木田森丸, 金城和俊, 大塚俊之

  2018, 日本地球惑星科学連合大会予稿集(Web), 2018, ROMBUNNO.ACG43‐02 (WEB ONLY), Japanese


• 石垣島吹通川マングローブ林における炭素循環と生態系純生産量

  大塚俊之, 大西健夫, 吉竹晋平, 荒井秀, 友常満利, 藤嶽暢英, 木田森丸, 近藤美由紀, 飯村康夫, 金城和俊

  2018, 日本地球惑星科学連合大会予稿集(Web), 2018, ROMBUNNO.ACG43‐P04 (WEB ONLY), Japanese


• 畜種・副資材が異なる堆肥中水溶性有機物の特性

  堂本晶子, 原正之, 木田森丸, 加藤拓, 藤嶽暢英

  2017, 日本土壌肥料学会講演要旨集, 63


• 南極の発達したコケ群落下の土壌は明瞭な硝化活性を有する

  林健太郎, 田邊優貴子, 田邊優貴子, 藤嶽暢英, 木田森丸, 早津雅仁, 工藤栄, 工藤栄

  2017, 極域科学シンポジウム(Web), 8th


• 南極湖沼溶存有機物の化学的多様性

  木田森丸, 小島汰一, 藤嶽暢英, 田邊優貴子, 田邊優貴子, 林健太郎, 工藤栄, 工藤栄

  2017, 極域科学シンポジウム(Web), 8th


• 土・水環境に遍在するフミン物質の構造化学的特徴とその多様性

  FUJITAKE NOBUHIDE

  公益財団法人日本学術協力財団, Feb. 2016, 学術の動向, 21(2) (2), 49 - 53, Japanese

  [Invited]

  Introduction scientific journal


• 堆肥中の水溶性腐植物質抽出条件の検討

  堂本晶子, 堂本晶子, 原正之, 木田森丸, 加藤拓, 藤嶽暢英

  2016, 日本土壌肥料学会講演要旨集, 62


• マングローブ林内土壌への海水塩によるフミン酸の選択的蓄積

  木田森丸, 田邉舞, 友常満利, 飯村康夫, 金城和俊, 近藤美由紀, POUNGPARN Sasitorn, 大塚俊之, 藤嶽暢英

  2016, 日本土壌肥料学会講演要旨集, 62


• フミン物質分別定量法および光学的手法を用いた溶存有機物の特性評価~タイ王国トラート川における事例~

  木田森丸, SASITORN Poungparn, 大塚俊之, 藤嶽暢英

  2016, 日本陸水学会大会講演要旨集, 81st (Web)


• P2-1-4 チベット高原祁連山脈における標高別土壌の有機物特性（ポスター，2-1 土壌有機・無機成分の構造・機能・ダイナミクス，2016年度佐賀大会）

  北村 今日子, 廣田 充, 韓 貝貝, 唐 艶鴻, 賀 金生, 沈 海花, 藤嶽 暢英

  一般社団法人 日本土壌肥料学会, 2016, 日本土壌肥料学会講演要旨集, 62(0) (0), 19 - 19, Japanese


• P3-2-8 生分解性レジンコンクリートの分解制御方法の検討(ポスター,3-2 土壌生物の応用と制御,2015年度京都大会)

  鈴木 武志, 所谷 百恵, 鈴木 麻里子, 久保 京子, 河端 俊典, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 09 Sep. 2015, 日本土壌肥料学会講演要旨集, (61) (61), 45 - 45, Japanese


• P7-2-5 各種資材の土壌施用による丹波黒の連作障害の軽減方法の検討(ポスター,7-2 土壌改良資材,2015年度京都大会)

  川西 あゆみ, 川上 澄, 加藤 拓, 藤嶽 暢英, 鈴木 武志

  一般社団法人日本土壌肥料学会, 09 Sep. 2015, 日本土壌肥料学会講演要旨集, (61) (61), 151 - 151, Japanese


• 7-1-4 腐食酸資材及び無機成分施用が土壌CECに及ぼす影響(第2報)(7-1 肥料および施肥法,2015年度京都大会)

  堂本 晶子, 服部 侑, 原 正之, 淺田 まどか, 加藤 拓, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 09 Sep. 2015, 日本土壌肥料学会講演要旨集, (61) (61), 128 - 128, Japanese


• 7-1-1 木質系副資材が家畜ふん堆肥中の有機物質のNMRスペクトル特性に及ぼす影響(7-1 肥料および施肥法,2015年度京都大会)

  淺田 まどか, 加藤 拓, 堂本 晶子, 原 正之, 服部 侑, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 09 Sep. 2015, 日本土壌肥料学会講演要旨集, (61) (61), 127 - 127, Japanese


• マングローブ林内土壌における脱塩洗浄が溶存有機物の溶出に及ぼす影響

  木田森丸, 田邉舞, 加藤拓, 飯村康夫, 金城和俊, 大塚俊之, 友常満利, 藤嶽暢英

  2015, 日本土壌肥料学会講演要旨集, 61


• 高緯度北極の湿原生態系における溶存有機物の特性

  園田碧, 藤嶽暢英, 廣田充, 内田雅己, 中坪孝之

  2015, 日本生態学会大会講演要旨(Web), 62nd, PA1-186 (WEB ONLY), Japanese


• Molecular diversity of dissolved organic matter in rainwater passing through a Finnish boreal forest

  Ide Jun'ichiro, Hara Miyako, Finer Leena, Ohashi Mizue, Takahashi Katsutoshi, Piirainen Sirpa, Kortelainen Pirkko, Fujitake Nobuhide, Yamase Keitaro, Ohte Nobuhito, Moritani Mina

  [in Japanese]

  THE JAPANESE FORESTRY SOCIETY, 2015, The Japanese Forest Society Congress, 126(0) (0), Japanese


• P7-1-13 木質系副資材が堆肥由来の水溶性腐植物質の量および質的変化に及ぼす影響(ポスター,7-1 肥料および施肥法,2014年度東京大会)

  浅田 まどか, 堂本 晶子, 藤嶽 暢英, 原 正之, 服部 侑, 加藤 拓

  一般社団法人日本土壌肥料学会, 09 Sep. 2014, 日本土壌肥料学会講演要旨集, (60) (60), 133 - 133, Japanese


• 8-1-39 リン酸欠乏と高二酸化炭素濃度条件が2種類のルーピンとトマトの重金属吸収能力に与える影響(8-1 環境保全,2014年度東京大会)

  川西 あゆみ, 鈴木 武志, 藤嶽 暢英, Neumann Gunter, Romheld Volker

  一般社団法人日本土壌肥料学会, 09 Sep. 2014, 日本土壌肥料学会講演要旨集, (60) (60), 152 - 152, Japanese


• P2-1-4 ドイツBaden-Wurttemberg州の農耕地の腐植酸の化学構造特性に耕作が与える影響(ポスター,2-1 土壌有機・無機成分の構造・機能・ダイナミクス,2014年度東京大会)

  西村 望, 鈴木 武志, Demyan Scott, 藤嶽 暢英, 加藤 拓, Cadish George, Muller Trosten

  一般社団法人日本土壌肥料学会, 09 Sep. 2014, 日本土壌肥料学会講演要旨集, (60) (60), 25 - 25, Japanese


• 7-1-11 腐植酸資材及び無機成分施用が土壌CECに及ぼす影響(7-1 肥料および施肥法,2014年度東京大会)

  堂本 晶子, 服部 侑, 原 正之, 淺田 まどか, 加藤 拓, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 09 Sep. 2014, 日本土壌肥料学会講演要旨集, (60) (60), 119 - 119, Japanese


• 2-1-6 C/N比の異なる堆肥の連用が土壌腐植酸の量的変化に及ぼす影響(2-1 土壌有機・無機成分の構造・機能・ダイナミクス,2014年度東京大会)

  加藤 拓, 近藤 美由紀, 飯村 康夫, 池羽 正晴, 鈴木 武志, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 09 Sep. 2014, 日本土壌肥料学会講演要旨集, (60) (60), 17 - 17, Japanese


• 琵琶湖水中のフルボ酸が藻類と甲殻類へ与える影響について

  早川和秀, 廣瀬佳則, 古田世子, 一瀬諭, 岡本高弘, 田中仁志, 三崎健太郎, 日下部武敏, 清水芳久, 藤嶽暢英

  2014, 日本水環境学会年会講演集, 48th


• 琵琶湖における新たな有機物管理の考え方について

  早川和秀, 岡本高弘, 五十嵐恵子, 古角恵美, 廣瀬佳則, 一瀬諭, 田中稔, 津田久美子, 清水芳久, 日下部武敏, 三崎健太郎, 中野伸一, 藤嶽暢英, 山田悦, 布施泰朗, 田中仁志, 杉山裕子, 丸尾雅啓

  2014, 日本陸水学会大会講演要旨集, 79th (Web)


• 2-1-9 鉛直方向にともなう土壌有機物の質的・量的差異 : 1.水溶性有機物の隣接層位間差に着目して(2-1 土壌有機・無機成分の構造・機能・ダイナミクス,2014年度東京大会)

  松本 寿紀, 田中 優美恵, 廣田 充, 大塚 俊之, 加藤 拓, 藤嶽 暢英

  一般社団法人 日本土壌肥料学会, 2014, 日本土壌肥料学会講演要旨集, 60(0) (0), 18 - 18, Japanese


• 2-1-15 化学構造特性、黒色度、炭素・窒素安定同位体比から黒色腐植酸の生成過程を考える : 腐植酸の細分画法からみえること(2-1 土壌有機・無機化学,2013年度名古屋大会)

  飯村 康夫, 米林 甲陽, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 11 Sep. 2013, 日本土壌肥料学会講演要旨集, (59) (59), 23 - 23, Japanese


• 2-1-8 腐植酸寒天培地を用いた有機汚染物質のバイオアッセイ(2-1 土壌有機・無機化学,2013年度名古屋大会)

  小林 孝行, 柳 由貴子, 藤嶽 暢英, 隅田 裕明

  一般社団法人日本土壌肥料学会, 11 Sep. 2013, 日本土壌肥料学会講演要旨集, 59(59) (59), 21 - 21, Japanese


• Discussion for soil carbon stock in Japan from the view point of the carbon quantity and quality

  KAWAHIGASHI Masayuki, TAKAHASHI Tadashi, FUJII Kazumichi, TAKAHASHI Masamichi, MIURA Satoru, ISHIZUKA Shigehiro, KANEKO Shinji, SHIRATO Yasuhito, YAGASAKI Yasumi, TAKADA Yusuke, WAGAI Rota, 岸本文紅, KISHIMOTO Ayaka, YONEMURA Seiichiro, HIRADATE Syuntaro, WATANABE Makiko, IZYMU Takejyu, FUJITAKE Nobuhide, IIMURA Yasuo

  京都議定書における温室効果ガス削減目標が設定されて以来，エネルギー消費への関心が広がるとともに炭素動態に関するデータが蓄積されてきた。我が国で削減目標('90年比6%減)に対する約束期間(2008～2012)内の達成見込みが得られた(2012年12月現在)背景には詳細なデータの積み上げがあった。その膨大なデータには各土地利用における土壌炭素変化量の算出も大きく貢献している。土壌炭素の変化量を算出するためには土壌炭素賦存量が必要であり，そのデータベースの構築と算出法の開発は大きな成果といえる。この成果は，さらに続く排出削減目標に対し，算出法の最適化を図るための基盤になると考えられる。そこで，本シンポジウムでは，国土面積の占有割合が高い森林と農地での土壌炭素賦存量と変化量の算出結果と今後の課題を取り上げた。一方，それら土地利用に含まれない領域として都市域の土壌炭素賦存量算出の問題点も指摘した。さらに，土壌炭素変化量に影響する土壌有機物の分解特性と存在形態に関する話題を挙げた。また，様々な土壌における有機物の多様性を質的データで示し，さらにその変化の方向性についても論及した。土壌炭素に関する量的・質的な取扱いの両面から日本の土壌炭素賦存量について論議を行った。

  Japanese Society of Soil Science and Plant Nutrition, Jun. 2013, Japanese Journal of Soil Science and Plant Nutrition, 84(3) (3), 224 - 229, Japanese

  [Refereed][Invited]

  Introduction scientific journal


• 琵琶湖水中のフルボ酸の生物影響評価手法について

  早川和秀, 岡本高弘, 一瀬諭, 古田世子, 田中仁志, 三崎健太郎, 日下部武敏, 清水芳久, 藤嶽暢英

  2013, 日本陸水学会大会講演要旨集, 78th


• 活性アルミナを用いた琵琶湖溶存有機物の分画法の検討

  内海理伽, 早川和秀, 藤嶽暢英, 木田森丸, 真木謙造, 熊谷哲, 杉山裕子

  2013, 日本陸水学会大会講演要旨集, 78th


• 琵琶湖水中のフミン物質の定量モニタリング

  藤嶽暢英, 木田森丸, 津田久美子, 高田明弘, 杉山裕子, 早川和秀

  2013, 日本分析化学会年会講演要旨集, 62nd


• P2-7 糸状菌による腐植酸の褪色に及ぼす粘土の影響(第3報)(2.土壌有機・無機化学,2012年度鳥取大会)

  柳 由貴子, 宮川 輝久, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 04 Sep. 2012, 日本土壌肥料学会講演要旨集, 58(58) (58), 27 - 27, Japanese


• P2-10 ^1H NMR法によるDOM特性解析における前処理法の検討(2.土壌有機・無機化学,2012年度鳥取大会)

  齋藤 友里, 川端 訓功, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 04 Sep. 2012, 日本土壌肥料学会講演要旨集, (58) (58), 28 - 28, Japanese


• III-4 土壌有機物の特性からみた炭素賦存量評価に向けた課題(III 日本の土壌炭素賦存量を量・質の両面から考える,シンポジウム,2012年度鳥取大会)

  藤嶽 暢英, 飯村 康夫

  一般社団法人日本土壌肥料学会, 04 Sep. 2012, 日本土壌肥料学会講演要旨集, (58) (58), 214 - 214, Japanese


• 2-2 ^1H NMR法による土壌生態系のDOM特性の把握 : フィンランド・ラミー地域の事例(2.土壌有機・無機化学,2012年度鳥取大会)

  齋藤 友里, 川端 訓功, Starr Mike, Ukonmaanaho Liisa, Hartman Markus, Arvola Lauri, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 04 Sep. 2012, 日本土壌肥料学会講演要旨集, (58) (58), 21 - 21, Japanese


• 黒ボク土における腐植の集積とメカニズム

  藤嶽 暢英

  典型的な黒ボク土は黒く厚いA層をもつ。この黒さは言うまでもなく腐植によるものであり,黒ボク土が広く分布する我が国ではひときわこの黒い腐植についての関心が高く,化学構造特性や生成過程(腐植化過程)に関する多くの研究がおこなわれてきた。近年では陸域生態系における炭素貯留庫としての土壌の役割が認知されるようになりチェルノーゼムと双璧をなす黒ボク土の腐植集積メカニズムに対してより多くの関心が寄せられている。そこで本講演では黒く多量の炭素を蓄積している黒ボク土の腐植層は他の土壌の腐植と何が違うのか,どのようにしてそれらが生成されるのか,なぜ長期にわたって蓄積するのか,という話題にそって現況を概説する。なお,黒ボク土の土壌腐植の性質をもっとも反映するのは腐植酸であるため,主に腐植酸に焦点を絞って話を進める。

  ペドロジスト編集部, Dec. 2011, ペドロジスト, 55(2) (2), 93 - 98, Japanese


• Humus accumulation and underlying mechanisms in Andisols

  FUJITAKE Nobuhide

  Dec. 2011, Pedologist, 55(2) (2), 99 - 102, Japanese

  [Invited]

  Introduction scientific journal


• 2-15 糸状菌による腐植酸の褪色に及ぼす粘土の影響(第2報) : Na^+型とCa^<2+>型の比較(2.土壌有機・無機化学)

  柳 由貴子, 宮川 輝久, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 08 Aug. 2011, 日本土壌肥料学会講演要旨集, 57(57) (57), 26 - 26, Japanese


• 28 C_<18>シリカゲルおよびDAX-8による溶存有機物の逐次分画法の検討(関西支部講演会,2010年度各支部会講演要旨)

  川端 訓功, 飯村 康夫, 津田 久美子, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 08 Aug. 2011, 日本土壌肥料学会講演要旨集, (57) (57), 335 - 335, Japanese


• P22-6 Combined application of plant growth regulators and metal chelators for the improvement of heavy metal phytoextraction

  Rajikumar Mani

  Japanese Society of Soil Science and Plant Nutrition, 07 Sep. 2010, Abstracts of the meeting, the Society of the Science of Soil and Manure, (56) (56), 172 - 172, English


• 11-13 ツバキ科などを含む樹木根(圏)が土壌アルミニウムの形態に及ぼす影響(11.植物の有害元素,2010年度北海道大会)

  戴 清霞, 阿江 教治, 鈴木 武志, Rajkumar Mani, 藤嶽 暢英, 福永 祥子

  一般社団法人日本土壌肥料学会, 07 Sep. 2010, 日本土壌肥料学会講演要旨集, (56) (56), 79 - 79, Japanese


• 二次遷移の進行が黒ボク土腐植物質の諸特性に及ぼす影響

  飯村康夫, 廣田充, 田村憲司, 東照雄, 米林甲陽, 藤嶽暢英

  15 Mar. 2010, 日本生態学会大会講演要旨集, 57th, 512, Japanese


• 2-1 チェルノーゼム土壌における植物炭化物の分布と腐植組成との関係(2.土壌有機・無機化学,2009年度京都大会)

  西村 周作, 谷 昌幸, 藤嶽 暢英, 宮崎 圭介, 進藤 晴夫

  一般社団法人日本土壌肥料学会, 15 Sep. 2009, 日本土壌肥料学会講演要旨集, (55) (55), 19 - 19, Japanese


• 2-23 腐植物質がチンゲンサイの硝酸イオン吸収に与える影響(2.土壌有機・無機化学,2009年度京都大会)

  森 寿代, 高田 明弘, 白石 斉聖, 末吉 邦, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 15 Sep. 2009, 日本土壌肥料学会講演要旨集, (55) (55), 26 - 26, Japanese


• 2-22 植物のケイ酸吸収能力の差が新鮮火山灰のアルミニウム富化に及ぼす影響について(2.土壌有機・無機化学,2009年度京都大会)

  福永 祥子, 阿江 教治, 鈴木 武志, 馬 建鋒, 間藤 徹, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 15 Sep. 2009, 日本土壌肥料学会講演要旨集, (55) (55), 26 - 26, Japanese


• ポドゾルの溶脱層および集積層から抽出される可動性腐植物質の特徴

  小泉佳彦, 渡邉哲弘, 柳由貴子, 藤嶽暢英, 谷昌幸

  Sep. 2009, 日本土壌肥料学会講演要旨集, Japanese

  Summary national conference


• ENVR 131-Chemical properties of humic substances and sorption characteristics for pharmaceuticals

  Hisayo Mori, Nobuhide Fujitake

  Aug. 2009, ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 238, English

  Summary international conference


• 2-6 黒ボク土における植物炭化物の性状(2.土壌有機・無機化学,2008年度愛知大会)

  西村 周作, 平舘 俊太郎, 藤嶽 暢英, 進藤 晴夫

  一般社団法人日本土壌肥料学会, 09 Sep. 2008, 日本土壌肥料学会講演要旨集, (54) (54), 23 - 23, Japanese


• 2-2 ^<13>C NMRによる腐植物質の炭素官能基組成 : 反転ゲートデカップリング法とCPMAS法の比較(2.土壌有機・無機化学,2008年度愛知大会)

  渡辺 彰, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 09 Sep. 2008, 日本土壌肥料学会講演要旨集, (54) (54), 22 - 22, Japanese


• 2-4 各種土壌フルボ酸の相違性に関する研究(2.土壌有機・無機化学,2008年度愛知大会)

  飯村 康夫, 大谷 知也, 谷 昌幸, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 09 Sep. 2008, 日本土壌肥料学会講演要旨集, (54) (54), 23 - 23, Japanese


• Methods for separation of humic substances.

  FUJITAKE Nobuhide

  Oct. 2007, Humic Substances Research, 3, 1 - 9, Japanese

  [Refereed]

  Introduction scientific journal


• P2-6 オオムギの硝酸吸収に及ぼす腐植物質の影響(2.土壌有機・無機化学,2007年度東京大会)

  佐藤 庸, 大石 真盛, 末吉 邦, 藤嶽 暢英, 大竹 憲邦, 大山 卓爾

  一般社団法人日本土壌肥料学会, 22 Aug. 2007, 日本土壌肥料学会講演要旨集, (53) (53), 24 - 24, Japanese


• 2-2 炭素および窒素安定同位体比からみた腐植物質の時空間変動(2.土壌有機・無機化学,2007年度東京大会)

  米林 甲陽, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 22 Aug. 2007, 日本土壌肥料学会講演要旨集, (53) (53), 18 - 18, Japanese


• 2-3 HPSECで細分画した黒ボク土腐植酸の^<13>C NMR特性(2.土壌有機・無機化学,2007年度東京大会)

  飯村 康夫, 藤本 麻里, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 22 Aug. 2007, 日本土壌肥料学会講演要旨集, (53) (53), 18 - 18, Japanese


• 2-1 日本各地における土壌溶存腐植物質の^<13>C NMR特性(2.土壌有機・無機化学,2007年度東京大会)

  藤嶽 暢英, 森 寿代, 浅川 大地, 津田 久美子, 阿曽 鈴華, 柳 由貴子, 児玉 宏樹, 長尾 誠也

  一般社団法人 日本土壌肥料学会, 2007, 日本土壌肥料学会講演要旨集, 53(0) (0), 18 - 18, Japanese


• P2-2 土壌および沢水中の水溶性腐植物質の化学構造特性と動態 : 黒ボク土壌地帯と褐色森林土壌地帯との比較(2.土壌有機・無機化学,2007年度東京大会)

  浅川 大地, 森 寿代, 阿曽 鈴華, 藤嶽 暢英

  一般社団法人 日本土壌肥料学会, 2007, 日本土壌肥料学会講演要旨集, 53(0) (0), 23 - 23, Japanese


• P9-22 オオムギの硝酸吸収に及ぼす腐植物質の影響(9. 植物の無機栄養, 2006年度秋田大会講演要旨)

  佐藤 庸, 石川 伸二, 大竹 憲邦, 大山 卓爾, 藤嶽 暢英, 末吉 邦

  一般社団法人日本土壌肥料学会, 05 Sep. 2006, 日本土壌肥料学会講演要旨集, (52) (52), 81 - 81, Japanese


• 2-1 黒ボク土および褐色森林土の土壌断面における緑色成分の垂直分布(2. 土壌有機・無機化学, 2006年度秋田大会講演要旨)

  小林 孝行, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 05 Sep. 2006, 日本土壌肥料学会講演要旨集, (52) (52), 16 - 16, Japanese


• Vertical distribution of chloroform-extractable green fraction in several Andosol and Cambisol profiles

  Takayuki Kobayashi, Makiko Watanabe, Hiroyuki Ohta, Nobuhide Fujitake

  Jun. 2006, SOIL SCIENCE AND PLANT NUTRITION, 52(3) (3), 274 - 283, English


• Distribution properties of sclerotium grains in surface soils influenced by microtopography and floor-vegetation near Elend in Harz Mts. Germany

  SAKAGAMI Nobuo, WATANABE Makiko, SAKURAI Katsutoshi, OHTA Hiroyuki, FUJITAKE Nobuhide

  10 Mar. 2006, 日本地理学会発表要旨集 = Proceedings of the General Meeting of the Association of Japanese Geographers, (69) (69), 116 - 116, Japanese


• Properties of Humic Acid Like Substances (HALS) created from sugar and amino acid with volcanic ash by thermal incubation

  Khan Nazmul Ahsan, Fujitake Nobuhide, Suzuki Takeshi, Otsuka Hiroo

  Kobe University, Mar. 2006, Memoirs of the Graduate School of Science and Technology, Kobe University. A, 24, 11 - 22, English


• S2II-13 土壌および周辺沢水中の水溶性腐植物質の動態と化学構造特性(S2II. 環境および堆肥中の腐植物質の構造特性と植物への影響, 2006年度秋田大会講演要旨)

  浅川 大地, 望月 秀将, 津田 久美子, 森 寿代, 柳 由貴子, 藤嶽 暢英

  一般社団法人 日本土壌肥料学会, 2006, 日本土壌肥料学会講演要旨集, 52(0) (0), 20 - 20, Japanese


• 2-6 チェルノーゼム土壌における植物炭化物の分布(2.土壌有機・無機化学,日本土壌肥料学会 2005年度大会講演要旨集)

  進藤 晴夫, 谷 昌幸, 藤嶽 暢英, 小崎 隆, 隅田 裕明, 真常 仁志, 西村 周作

  一般社団法人日本土壌肥料学会, 06 Sep. 2005, 日本土壌肥料学会講演要旨集, (51) (51), 19 - 19, Japanese


• P2-7 土壌菌核粒子の形成と遊離鉄(ポスター紹介,2.土壌有機・無機化学,日本土壌肥料学会 2005年度大会講演要旨集)

  坂上 伸生, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 06 Sep. 2005, 日本土壌肥料学会講演要旨集, (51) (51), 26 - 26, Japanese


• P2-6 鉄型土壌菌核粒子について(ポスター紹介,2.土壌有機・無機化学,日本土壌肥料学会 2005年度大会講演要旨集)

  渡邊 眞紀子, 上原 英之, 井上 弦, 坂上 伸生, 藤嶽 暢英, 太田 寛行

  一般社団法人日本土壌肥料学会, 06 Sep. 2005, 日本土壌肥料学会講演要旨集, (51) (51), 26 - 26, Japanese


• 2-7 HPLC法による土壌中の緑色成分分離定量法の開発(2.土壌有機・無機化学,日本土壌肥料学会 2005年度大会講演要旨集)

  小林 孝行, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 06 Sep. 2005, 日本土壌肥料学会講演要旨集, (51) (51), 20 - 20, Japanese


• P20-6 石炭灰を投入したイナワラおよび木質系堆肥の堆肥化時における化学成分の経時的変化とその堆肥特性(ポスター紹介,20.土壌改良資材,日本土壌肥料学会 2005年度大会講演要旨集)

  鈴木 武志, 井汲 芳夫, 渡邊 郁夫, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 06 Sep. 2005, 日本土壌肥料学会講演要旨集, (51) (51), 162 - 162, Japanese


• 14-1 カザフスタン北部における土地利用が腐植酸の形態と組成に及ぼす影響(14.土地分類利用・景域評価,日本土壌肥料学会 2005年度大会講演要旨集)

  谷 昌幸, 佐々木 美香, 高田 裕介, Kanat Akshalov, 藤嶽 暢英, 小崎 隆

  一般社団法人日本土壌肥料学会, 06 Sep. 2005, 日本土壌肥料学会講演要旨集, (51) (51), 114 - 114, Japanese


• PA-51 Biochemical characteristics of ectomycorrhizal fungus Cenococcum geophilum(PHYSIOLOGY/GROWTH,Session A,(1) Poster presentations)

  Yoshihara Ryoji, Ohta Hiroyuki, Fujitake Nobuhide, Watanabe Makiko, Yamada Akiyoshi

  日本微生物生態学会, 2005, 日本微生物生態学会講演要旨集, (21) (21), 97 - 97, Japanese


• 2-2 土壌および周辺沢中の水溶性腐植物質の構造特性 : 季節による変動(2.土壌有機・無機化学,日本土壌肥料学会 2005年度大会講演要旨集)

  浅川 大地, 望月 秀将, 柳 由貴子, 鈴木 武志, 藤嶽 暢英

  一般社団法人 日本土壌肥料学会, 2005, 日本土壌肥料学会講演要旨集, 51(0) (0), 18 - 18, Japanese


• 森林土壌中の菌核様粒子から分離された糸状菌と細菌の分類と性状(関東支部講演会, 日本土壌肥料学会支部講演会講演要旨集2004年度)

  吉原 亮治, 佐藤 嘉則, 藤嶽 暢英, 渡邊 眞紀子, 太田 寛行

  一般社団法人日本土壌肥料学会, 14 Sep. 2004, 日本土壌肥料学会講演要旨集, (50) (50), 289 - 289, Japanese


• 石炭灰の緑化用土としての特性と緑化樹木に与える影響(21. 緑化技術, 2004年度大会講演要旨集)

  坂 文彦, 鈴木 武志, 渡邊 郁夫, 村尾 洋一, 井汲 芳夫, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 14 Sep. 2004, 日本土壌肥料学会講演要旨集, (50) (50), 163 - 163, Japanese


• A型腐植酸様物質を含む土壌改良資材の創出 (第三報) : 木質炭素源と石炭灰を用いたA型腐植酸様物質の創出とその分解特性(20. 土壌改良資材, 2004年度大会講演要旨集)

  井汲 芳夫, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 14 Sep. 2004, 日本土壌肥料学会講演要旨集, (50) (50), 159 - 159, Japanese


• 各国から採取したチェルノーゼムの理化学性と腐植の形態分析(14. 土地分類利用・景域評価, 2004年度大会講演要旨集)

  谷 昌幸, 佐々木 美香, 高橋 洋介, 真常 仁志, 藤嶽 暢英, 隅田 裕明, 小崎 隆

  一般社団法人日本土壌肥料学会, 14 Sep. 2004, 日本土壌肥料学会講演要旨集, (50) (50), 121 - 121, Japanese


• Analytical Techniques and Chemical Properties for Humic Substances

  FUJITAKE Nobuhide, YAMAMOTO Shuichi

  日本水環境学会, 10 Feb. 2004, Journal of Japan Society on Water Environment, 27(2) (2), 86 - 91, Japanese


• 土壌からHCl-DMSOで抽出される緑色色素について(2. 土壌有機・無機化学, 2004年度大会講演要旨集)

  小林 孝行, 浅川 大地, 柳 由貴子, 鈴木 武志, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  一般社団法人 日本土壌肥料学会, 2004, 日本土壌肥料学会講演要旨集, 50(0) (0), 20 - 20, Japanese


• 陸域生体環境での土壌有機成分の役割とその機能

  筒木 潔, 隅田 裕明, 青山 正和, 進藤 晴夫, 宮島 徹, 川東 正幸, 藤嶽 暢英

  2004, 日本土壌肥料学会誌, 75,4,511-517, Japanese

  Others


• Reactivity of enzymes to humic substances

  Y Yanagi, K Kitayama, T Suzuki, H Otsuka, N Fujitake

  Sep. 2003, GEOCHIMICA ET COSMOCHIMICA ACTA, 67(18) (18), A558 - A558, English

  Summary international conference


• Relation between biostability and chemical properties of soil humic substances

  N Fujitake, Y Yanagi

  Sep. 2003, GEOCHIMICA ET COSMOCHIMICA ACTA, 67(18) (18), A112 - A112, English

  Summary international conference


• 2-2 フルボ酸メチル誘導体の作成とそのHPSEC分析について(2.土壌有機・無機化学)

  三島 武寿, 鈴木 武志, 大塚 紘雄, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 20 Aug. 2003, 日本土壌肥料学会講演要旨集, (49) (49), 14 - 14, Japanese


• 2-7 Effect of Phosphate and pH on humification of Three Plant Residues with Fresh Volcanic Ashes

  Atendido Socorro

  Japanese Society of Soil Science and Plant Nutrition, 20 Aug. 2003, Abstracts of the meeting, the Society of the Science of Soil and Manure, (49) (49), 16 - 16, English


• 2-8 A型腐植酸様物質を含む土壌改良資材の創出(第三報) : 創出したA型腐植酸様物質の化学構造特性(2.土壌有機・無機化学)

  鈴木 武志, 井汲 芳夫, 吉田 淳平, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 20 Aug. 2003, 日本土壌肥料学会講演要旨集, (49) (49), 16 - 16, Japanese


• 22-13 神戸市周辺のため池に存在する水中有機物の特性および類型化(22.環境保全)

  福森 郁哉, 平井 恵子, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 20 Aug. 2003, 日本土壌肥料学会講演要旨集, (49) (49), 167 - 167, Japanese


• 17-2 和歌山県田辺市周辺のウメ園における土壌マンガン含量について(17.園地・施設土壌肥よく度)

  大塚 紘雄, 中村 誠, 小林 紀彦, 辻本 正直, 鈴木 武志, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 20 Aug. 2003, 日本土壌肥料学会講演要旨集, (49) (49), 134 - 134, Japanese


• 2-32 土壌菌核様粒子の化学組成および化学結合状態について(2.土壌有機・無機化学)

  井上 弦, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 20 Aug. 2003, 日本土壌肥料学会講演要旨集, (49) (49), 24 - 24, Japanese


• 6-6 妙高燕土壌中の菌核粒子から分離されたSphingomonasの分類と芳香族化合物分解特性(6.土壌生物)

  太田 寛行, 八木 通江, 鈴木 順子, 藤嶽 暢英, 渡邊 眞紀子

  一般社団法人日本土壌肥料学会, 20 Aug. 2003, 日本土壌肥料学会講演要旨集, (49) (49), 37 - 37, Japanese


• 2-33 土壌菌核粒子内にみられる生体鉱物について(2.土壌有機・無機化学)

  渡邊 眞紀子, 坂上 伸生, 藤嶽 暢英, 太田 寛行, 井上 弦

  一般社団法人日本土壌肥料学会, 20 Aug. 2003, 日本土壌肥料学会講演要旨集, (49) (49), 24 - 24, Japanese


• VI-5 腐植構造特性のバリエーションと環境・生態系との関わり(VI 陸域生態環境での土壌有機物成分の役割とその機能)

  藤嶽 暢英

  一般社団法人日本土壌肥料学会, 20 Aug. 2003, 日本土壌肥料学会講演要旨集, (49) (49), 221 - 221, Japanese


• Variations of allelopathic effects occurred by different soils

  INOUE Kazumi, YANAGI Yukiko, OTSUKA Hiroo, FUJITAKE Nobuhide

  The Weed Science Society of Japan, 13 Apr. 2002, Journal of Weed Science and Technology. Supplement, (41) (41), 216 - 217, Japanese


• 1 湖沼堆積物の環境科学的研究(第一報)(関西支部講演会)

  長谷川 政江, 臼井 恵次, 藤嶽 暢英, 本間 洋美, 進藤 晴夫

  一般社団法人日本土壌肥料学会, 25 Mar. 2002, 日本土壌肥料学会講演要旨集, (48) (48), 232 - 232, Japanese


• 13-7 Morphological, physical and chemical characterization of some Tanzanian volcanic ash soils

  Msanya Balthazar

  Japanese Society of Soil Science and Plant Nutrition, 25 Mar. 2002, Abstracts of the meeting, the Society of the Science of Soil and Manure, (48) (48), 86 - 86, English


• 13-10 テフラに存在する腐植酸Pgの特性と成因について(13.土壌生成・分類)

  青木 一恵, 渡邊 眞紀子, 平山 良治, 太田 寛行, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 25 Mar. 2002, 日本土壌肥料学会講演要旨集, (48) (48), 87 - 87, Japanese


• 2-13 Effect of Different Forms of Inorganic Materials on Humification of Various Plant Residues

  Atendido Socorro

  Japanese Society of Soil Science and Plant Nutrition, 25 Mar. 2002, Abstracts of the meeting, the Society of the Science of Soil and Manure, (48) (48), 9 - 9, English


• 2-14 Comparison of Inital Stage of Humic Acid Formation from Various Plant residues and nonhumic model substances.

  Khan Nazmul

  Japanese Society of Soil Science and Plant Nutrition, 25 Mar. 2002, Abstracts of the meeting, the Society of the Science of Soil and Manure, (48) (48), 9 - 9, English


• 2-7 各種腐植物質の^<13>C NMR特性(2.土壌有機・無機化学)

  濱口 誠司, 藤嶽 暢英, 柳 由貴子, 清田 拓郎, 鈴木 武志, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2002, 日本土壌肥料学会講演要旨集, (48) (48), 7 - 7, Japanese


• 現代土壌肥料学の断面(15)腐植物質の化学構造をどうイメージするか

  藤嶽 暢英

  養賢堂, Mar. 2002, 農業および園芸, 77(3) (3), 403 - 411, Japanese


• Molecular weight distribution of methylated humic acids in organic solvent system

  FUJITAKE N.

  Northeastern University, 2002, Proceedings of International Humic Substances Society Twentieth Anniversary Conference, Humic substances : Nature's Most Versatile Materials, 56 - 57


• 21-15 各種副資材を投入した伐採木チップ堆肥の特性(21.土壌改良資材)

  鈴木 武志, 岡本 昌太郎, 渡邊 郁夫, 井汲 芳夫, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2001, 日本土壌肥料学会講演要旨集, (47) (47), 191 - 191, Japanese


• 23-16 神戸市周辺のため池に存在する水中懸濁物質(SS)の有機物特性(23.地域環境)

  高橋 俊郎, 奥津 有紀, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2001, 日本土壌肥料学会講演要旨集, (47) (47), 203 - 203, Japanese


• 13-16 土壌から検出される菌核様粒子の形態と化学組成の比較(13.土壌生成・分類)

  渡邊 眞紀子, 藤嶽 暢英, 太田 寛行

  一般社団法人日本土壌肥料学会, 25 Mar. 2001, 日本土壌肥料学会講演要旨集, (47) (47), 127 - 127, Japanese


• 13-17 ドイツ・ハーツ山における菌核様粒子の分布と土壌の性状(13.土壌生成・分類)

  大石 隼平, 渡邊 眞紀子, Pott Angelika, Hardenbicker Ulrike, 青木 久美子, 藤嶽 暢英

  一般社団法人日本土壌肥料学会, 25 Mar. 2001, 日本土壌肥料学会講演要旨集, (47) (47), 128 - 128, Japanese


• 2-14 異なる腐植酸中に含まれる緑色成分(Pg)の比較(2.土壌有機・無機化学)

  藤嶽 暢英, 小林 孝行, 渡邊 眞紀子, 太田 寛之

  一般社団法人日本土壌肥料学会, 25 Mar. 2001, 日本土壌肥料学会講演要旨集, (47) (47), 13 - 13, Japanese


• 2-17 各種酵素の腐植酸分解活性の検討(2.土壌有機・無機化学)

  柳 由貴子, 藤嶽 暢英, 大塚 紘雄, Bollag Jean-Marc

  一般社団法人日本土壌肥料学会, 25 Mar. 2001, 日本土壌肥料学会講演要旨集, (47) (47), 15 - 15, Japanese


• 2-16 A型腐植酸を含む土壌改良資材の創出(第二報) : 木質炭素源(チップ材)と石炭灰を用いたA型腐植酸の創出(2.土壌有機・無機化学)

  井汲 芳夫, 周 恵中, 籏持 和洋, 審 浩年, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2001, 日本土壌肥料学会講演要旨集, (47) (47), 14 - 14, Japanese


• 2-13 pH別逐次抽出法で得られた腐植酸の特性 : ^<13>C NMRとSECについて(2.土壌有機・無機化学)

  藤嶽 暢英, 楠本 敦子, 濱口 誠司, 鈴木 武志, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2001, 日本土壌肥料学会講演要旨集, (47) (47), 13 - 13, Japanese


• 2-15 メチル化処理の利用による腐植酸の研究 : IV平均分子量と分子量分布について(2.土壌有機・無機化学)

  藤嶽 暢英, 塚本 真由子, 三島 武寿, 鈴木 武志, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2001, 日本土壌肥料学会講演要旨集, (47) (47), 14 - 14, Japanese


• 13-3 六甲山に分布する火山灰土の存在(13.土壌生成・分類)

  迫村 竜也, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2000, 日本土壌肥料学会講演要旨集, (46) (46), 117 - 117, Japanese


• 2-23 糸状菌による腐植酸の褐色に及ぼす粘土の影響(2.土壌有機・無機化学)

  柳 由貴子, 牧野 佐知子, 藤嶽 暢英, 鈴木 武志, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2000, 日本土壌肥料学会講演要旨集, (46) (46), 17 - 17, Japanese


• 2-15 各種植物遺体と新鮮火山灰の反応に基づく腐植酸のスペクトル特性(2.土壌有機・無機化学)

  野田 幸雄, 藤嶽 暢英, 鈴木 武志, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2000, 日本土壌肥料学会講演要旨集, (46) (46), 13 - 13, Japanese


• 2-16 A型腐植酸を含む土壌改良資材の創出(第一報) : イナワラから石炭灰を用いたA型腐植酸の創出(2.土壌有機・無機化学)

  井汲 芳夫, 八幡 有紀, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2000, 日本土壌肥料学会講演要旨集, (46) (46), 13 - 13, Japanese


• 10 湿原および池沼水中の腐植物質の特徴付け(関西支部講演会)

  奥津 有紀, 高橋 俊郎, 藤嶽 暢英, 鈴木 武志, 大塚 紘雄

  一般社団法人日本土壌肥料学会, 25 Mar. 2000, 日本土壌肥料学会講演要旨集, (46) (46), 325 - 325, Japanese


• 6-6 妙高燕土壌中の菌核粒子微生物フロラの解析(6.土壌生物)

  八木 通江, 生長 陽子, 藤嶽 暢英, 太田 寛行, 渡辺 眞紀子

  一般社団法人日本土壌肥料学会, 25 Mar. 2000, 日本土壌肥料学会講演要旨集, (46) (46), 35 - 35, Japanese


• 6-5 妙高燕土壌断面における菌核の分布と化学組成(6.土壌生物)

  加戸 卓, 渡邊 眞紀子, 藤嶽 暢英, 太田 寛行

  一般社団法人日本土壌肥料学会, 25 Mar. 2000, 日本土壌肥料学会講演要旨集, (46) (46), 35 - 35, Japanese


• Occurrence of Smectite on the Pumice Surface Derived from Taal Volcano in the Phillppines

  SUZUKI Takeshi, OTSUKA Hiroo, BABIERA Victorciti B., BRIONES Angelina M., FUJITAKE Nobuhide, OHTA Takeshi, ATENDIDO Socorro A. B.

  The pumice layer was derived from the northwest fringe of Taal Volcano somma in Kaybagal, Tagaytay City in the Philippines. It has a gravel diameter of 3 to 5 centimeters (cm). The pumice gravel has a yellow surface color and a black inner color. These were observed using an optical microscope and scanning electron microscope (SEM). The chemical and mineralogical constituents were determined using a electron probe micro analyzer (EPMA), and X-ray diffraction apparatus. The results obtained from the optical microscope and SEM showed bubbles in the black or inner part of the pumice, while the surface showed weathered fine particles. Some of the bubbles observed were also partly weathered. The X-ray diffraction pattern showed smectite as the predominant mineral in the yellow surface layer, while amorphous materials were predominate in the black inner part. We speculate that smectite of the pumice may result from the weathering of amorphous glass in the inner part of pumice.

  Japanese Society of Pedology, 30 Jun. 1999, ペドロジスト, 43(1) (1), 22 - 27, English


• Changes of Plant Vegetation and Soils with Years in Man-made Forests Formed by Close Planting Nursery Stocks of Laurel Trees 2. Changes of Soil Properties with Years

  SUZUKI Sohzoh, CHIYONOBU Hisako, AOIKE Shinya, KODATE Seiji, IKUMI Yoshio, TAKAHASHI Takehiko, FUJITAKE Nobuhide, OTSUKA Hiroo

  Changes of soil profiele, soil physico-chemical properties and micro organism biomass with years were observed in man-made forests formed by close planting of nursery stocks of laurel trees and in a natural forest. Ages of the man-made forests were 1 year (ZR), 11 years (TN) and 18 years (TW) after planting trees respectively. Soil profiles showed the development of organic and humic layers with years as the increase of the depths of O and A horizon, darkness of soil colors, contents of roots and compactness. Though soil texture of man-made forest soils and a natural forest soil were loamy sand to sandy loam and clay loam respectively, it was difficult to recognize that soil texture changed for 10-20 years in man-made forest soils. Decreasing of bulk density and increasing of pore volume were observed with years except for some layers of TN. The starting depths of the constant lower values of softness decreased with years except TN and the values of softness in the subsoil of TN was lower than those of others. Total carbon, total nitrogen, CEC and microorganism biomass in soils increased with years and they were supposed to be caused from the increasing of plant residue with plant growth.

  Japanese Society of Pedology, 30 Jun. 1998, ペドロジスト, 42(1) (1), 33 - 43, Japanese


• Changes of Plant Vegetation and Soils with Years in Man-made Forests Formed by Close Planting Nursery Stocks of Laurel Trees 1.Changes of Vegetation with Years

  SUZUKI Sohzoh, CHIYONOBU Hisako, AOIKE Shinya, KODATE Seiji, IKUMI Yoshio, TAKAHASHI Takehiko, FUJITAKE Nobuhide, OTSUKA Hiroo

  Changes of plant vegetation with years were observed in man-made forests formed by close planting of laurel nursery trees and in a natural forest. Ages of the man-made forests were lyear (ZR), 11 years (TN) and 18 years (TW) after planting trees and that of the natural forest (NF) was more than 100 years. 1) The height and structure of vegetation of TN and TW were 7. 5 to 10 m and 3 layers respectively and they were smaller than those of NF. 2) Though the numbers of trees per unit area in man-made forests were 2 to 4 times more than that of NF, the basal area (BA) and the D^2H of TN and TW were only 30% and 10% of NF by per tree respectively. 3) Number and D^2H of trees were occupied by a few kinds of dominant species in ZR, TN and NF in contrast with by several ones in TW. 4) Though the maximum frequency was 4-6 m in both TN and TW, TW also had the secondary maximum in 1.3-2 m. The frequency of NF decreased from gradually 30% in 1.3-2 m with increasing of heights. 5) Its is supposed that the man-made forests are on the way to a natural forest and they develop their vegetation with increasing stratification and/or biomass, e. g. D^2H in accordance with decreasing of numbers of trees by the natural selection.

  Japanese Society of Pedology, 30 Jun. 1998, ペドロジスト, 42(1) (1), 21 - 32, Japanese


• THE SHAPE OF HUMIC-ACID IN SOLUTION AS OBSERVED BY SMALL-ANGLE X-RAY-SCATTERING (VOL 41, PG 363, 1995)

  M KAWAHIGASHI, N FUJITAKE, J AZUMA, T TAKAHASHI, K KAJIWARA, H URAKAWA

  Sep. 1995, SOIL SCIENCE AND PLANT NUTRITION, 41(3) (3), 624 - 624, English

  Others


• THE SHAPE OF HUMIC-ACID IN SOLUTION AS OBSERVED BY SMALL-ANGLE X-RAY-SCATTERING

  M KAWAHIGASHI, N FUJITAKE, J AZUMA, T TAKAHASHI, K KAJIWARA, H URAKAWA

  Jun. 1995, SOIL SCIENCE AND PLANT NUTRITION, 41(2) (2), 363 - 366, English

  Introduction scientific journal


• PREPARATION OF HUMIC-ACID FRACTIONS WITH A DEFINITE RANGE OF PARTICLE SIZES BY GEL-PERMEATION CHROMATOGRAPHY (GPC)

  M KAWAHIGASHI, N FUJITAKE, J AZUMA, T TAKAHASHI

  Mar. 1995, SOIL SCIENCE AND PLANT NUTRITION, 41(1) (1), 147 - 150, English

  Introduction scientific journal


• The Second Pedologist Training Course in Nagano(Profile)

  Tamura K., Fujitake N.

  Japanese Society of Pedology, 30 Jun. 1993, ペドロジスト, 37(1) (1), 59 - 60, Japanese


• VERTICAL-DISTRIBUTION OF CHRYSOTALUNIN, A MAJOR SOIL ANTHRAQUINONE PIGMENT, IN SOIL PROFILES

  N FUJITAKE, J AZUMA, T HAMASAKI

  Sep. 1992, SOIL SCIENCE AND PLANT NUTRITION, 38(3) (3), 579 - 583, English

  Introduction scientific journal


• OCCURRENCE OF 7,7'-BIPHYSCION IN JAPANESE SOILS

  N FUJITAKE, J AZUMA

  Jun. 1991, SOIL SCIENCE AND PLANT NUTRITION, 37(2) (2), 363 - 366, English

  Introduction scientific journal

• Nanotechnology in plant growth promotion and protection

  Urík M., Kolenčík M., Fujitake N., Diviš P., Zvěřina O., Ramakanth I., Šeda M. Zvěřina , Illa Ramakanth , and Martin Šeda, (Ed.) Ingle, Avinash P.

  Contributor, Chapter 7. Effects of Natural Organic Matter on Bioavailability of Elements from Inorganic Nanomaterial., John Wiley & Sons, Inc., 2021, English, ISBN: 9781119745853


• 腐植物質分析ハンドブックー標準試料を例にして 第2版

  渡邉彰, FUJITAKE NOBUHIDE, 長尾誠也

  Joint work, 農文協, Apr. 2019, Japanese, ISBN: 9784540181870

  Scholarly book


• 土壌サイエンス入門 第２版 「第11章 地球を支える土壌の機能」

  川東 正幸, FUJITAKE NOBUHIDE

  Others, 文英堂出版, Feb. 2018, Japanese

  Scholarly book


• 土のひみつー食料・環境・生命 「2-4 土の生成に及ぼす気候(温度・水分状態) の影響」

  FUJITAKE NOBUHIDE

  Others, 朝倉書店, Sep. 2015, Japanese

  Scholarly book


• 土壌―河川―海生態系における溶存有機炭素の動態と機能

  ASAKAWA Daichi, FUJITAKE Nobuhide

  Others, 博友社, Mar. 2011, Japanese, ISBN: 9784826802130

  Scholarly book


• 環境中の腐植物質 : その特徴と研究法

  FUJITAKE Nobuhide

  Others, 三共出版, Nov. 2008, Japanese, ISBN: 9784782705773

  Scholarly book


• 微生物増殖学の現在・未来

  FUJITAKE Nobuhide, YANAGI Yukiko

  Others, 地人書館, Oct. 2008, Japanese, ISBN: 9784805208052

  Scholarly book


• 腐植物質分析ハンドブック : 標準試料を例にして

  WATANABE Akira, FUJITAKE Nobuhide, NAGAO Seiya

  Others, 三恵社, Oct. 2007, Japanese, ISBN: 9784883615704

  Scholarly book


• Humic substances and soil and water environment

  FUJITAKE Nobuhide

  Others, Embarapa Instrumentacao Agropecuaria, Dec. 2004, English, ISBN: 8586463124

  Scholarly book


• The role of humic substances in the ecosystems and in environmental protection

  FUJITAKE Nobuhide

  Others, Polish Society of Humic Substances, 1997, English, ISBN: 8390640325

  Scholarly book

• 生分解性レジンコンクリートの分解制御方法の検討

  SUZUKI TAKESHI, TOKOROTANI MOMOE, SUZUKI MARIKO, KUBO KYOKO, KAWABATA TOSHINORI, FUJITAKE NOBUHIDE

  日本土壌肥料学会京都大会, Sep. 2015, Japanese, 日本土壌肥料学会, 京都大学, Domestic conference

  Poster presentation


• 各種資材の土壌施用による丹波黒の連作障害の軽減方法の検討

  KAWANISHI AYUMI, KAWAKAMI KIYOSHI, KATO TAKU, FUJITAKE NOBUHIDE, SUZUKI TAKESHI

  日本土壌肥料学会京都大会, Sep. 2015, Japanese, 日本土壌肥料学会, 京都大学, Domestic conference

  Poster presentation


• 土・水環境に遍在するフミン物質の構造化学的特徴とその多様性

  FUJITAKE NOBUHIDE

  日本学術会議公開シンポジウム「分野横断型農学の新展開に向けて－物理学・数理学の視点とその重要性－」, Mar. 2015, Japanese, 日本学術会議農学委員会・食料科学委員会, 筑波大学東京キャンパス, Domestic conference

  [Invited]

  Nominated symposium


• 高緯度北極の湿原生態系における溶存有機物の特性

  園田 碧, FUJITAKE NOBUHIDE, 廣田 充, 内田 雅己, 中坪 孝之

  日本生態学会第62回全国大会, Mar. 2015, Japanese, 鹿児島大学, Domestic conference

  Poster presentation


• 水環境中の天然有機物の化学構造

  FUJITAKE NOBUHIDE

  日本腐植物質学会第30回講演会 記念シンポジウム, Nov. 2014, Japanese, 日本大学, Domestic conference

  Nominated symposium


• 重金属を収着させた非晶質および結晶性粘土コロイドに対するフルボ酸の収脱着特性

  加藤 拓, 﨑山 敦史, SUZUKI TAKESHI, FUJITAKE NOBUHIDE

  日本腐植物質学会, Nov. 2014, Japanese, 日本大学, Domestic conference

  Oral presentation


• スコットランド地方の有色河川水におけるフミン物質濃度と溶存元素濃度の関係

  山野 智子, 佐藤 元, 園田 碧, SUZUKI TAKESHI, 加藤 拓, FUJITAKE NOBUHIDE

  日本腐植物質学会, Nov. 2014, Japanese, 日本大学, Domestic conference

  Poster presentation


• 腐植酸資材及び無機成分施用が土壌ＣＥＣに及ぼす影響

  堂本 晶子, 服部 侑, 原 正之, 淺田 まどか, 加藤 拓, FUJITAKE NOBUHIDE

  日本土壌肥料学会, Sep. 2014, Japanese, 東京農工大学, Domestic conference

  Oral presentation


• 活性アルミナを用いて分離した琵琶湖溶存有機物の化学的特徴

  内海 理伽, 早川 和秀, 高橋 勝利, FUJITAKE NOBUHIDE, 木田 森丸, 真木 謙造, 熊谷 哲, 杉山 裕子

  日本陸水学会第79回大会（筑波大会）, Sep. 2014, Japanese, 筑波大学, Domestic conference

  Oral presentation


• 鉛直方向にともなう土壌有機物の質的・量的差異 1.水溶性有機物の隣接層位間差に着目して

  松本 寿紀, 田中 優美恵, 廣田 充, 大塚 俊之, 加藤 拓, FUJITAKE NOBUHIDE

  日本土壌肥料学会, Sep. 2014, Japanese, 東京農工大学, Domestic conference

  Oral presentation


• ドイツBaden-Wurttemberg州の農耕地の腐植酸の化学構造特性に耕作が与える影響，日本土壌肥料学会東京大会

  西村 望, SUZUKI TAKESHI, Scott Demyan, FUJITAKE NOBUHIDE, 加藤 拓, George Cadish, Trosten Muller

  日本土壌肥料学会, Sep. 2014, Japanese, 東京農工大学, Domestic conference

  Poster presentation


• The effect of Humic acid on the Acute Toxicity of Benzo[a]pyrene to Algae, Pseudokirchneriella subcapitata.

  YANAGI YUKIKO, OKUYAMA Y, OCHI Y, FUJITAKE NOBUHIDE, KOBAYASHI TAKAYUKI

  17th Meeting of the International Humic Substances Society, Sep. 2014, English, Ioannina, Greece, International conference

  Poster presentation


• Comparison of Structural Properties of Humic-Like Substances in Atmospheric Fine Aerosol Isolated by Different Methods.

  ASAKAWA DAICHI, FUJITAKE NOBUHIDE

  17th Meeting of the International Humic Substances Society, Sep. 2014, English, Ioannina, Greece, International conference

  Oral presentation


• C/N比の異なる堆肥の連用が土壌腐植酸の量的変化に及ぼす影響

  加藤 拓, 近藤 美由紀, 飯村 康夫, 池羽 正晴, SUZUKI TAKESHI, FUJITAKE NOBUHIDE

  日本土壌肥料学会, Sep. 2014, Japanese, 東京農工大学, Domestic conference

  Oral presentation


• Distribution and chemical characteristics of dissolved organic matter in Lake Biwa extracted by hydrophobic adsorbents.

  Rika Utsumi, Kazuhide Hayakawa, FUJITAKE NOBUHIDE, Katsutoshi Takahashi, Fumiko Kitano, Reiji Kojima, Miyako Hara, Akihiro Takata, Tetsu Kumagai, Yuko Sugiyama

  The 16th International Symposium on River and Lake Environments 2014, Aug. 2014, English, Seoul, Korea, International conference

  Poster presentation


• Distribution and chemical characteristics of dissolved organic matter in Lake Biwa extracted by activated alumina.

  Rika Utsumi, Kazuhide Hayakawa, FUJITAKE NOBUHIDE, Katsutoshi Takahashi, Morimaru Kida, Kenzo Maki, Tetsu Kumagai, Yuko Sugiyama

  The 16th International Symposium on River and Lake Environments 2014, Aug. 2014, English, Seoul, Korea, International conference

  Poster presentation


• 土からみた地球環境問題

  FUJITAKE NOBUHIDE

  京都工芸繊維大学環境科学センター第20回公開講演会「緑の地球と共に生きる」, Jun. 2014, Japanese, 京都工芸繊維大学環境科学センター, Domestic conference

  Public discourse


• スコットランド河川水中のフミン物質と溶存元素の関係

  FUJITAKE NOBUHIDE, 山野 智子, 佐藤 元, 園田 碧, 鈴木 武志, 加藤 拓

  日本生態学会第62回全国大会, Mar. 2014, Japanese, 鹿児島大学, Domestic conference

  Poster presentation


• 国内外の湖沼や河川水のフミン物質含量〜DAX-8樹脂吸着法による〜

  木田 森丸, 真木 謙造, 津田 久美子, 早川 和秀, 杉山 裕子, 川東 正幸, 大塚 俊之, 廣田 充, KATO TAKU, 藤嶽 暢英

  日本陸水学会近畿支部会第25回研究発表会, Feb. 2014, Japanese, 大阪, Domestic conference

  Oral presentation


• FT-ICR MSによる森林生態系内溶存有機物の分布と特徴の解析

  森谷 美奈, 高橋 勝利, 大橋 瑞江, 大手 信人, 藤嶽 暢英, 山瀬 敬太郎, 中田 靖, 熊谷 哲, 杉山 裕子

  日本陸水学会近畿支部会第25回研究発表会, Feb. 2014, Japanese, 大阪, Domestic conference

  Oral presentation


• Chemical structure of humic-like substances in fine urban aerosol

  ASAKAWA Daichi, FUJITAKE Nobuhide

  8th Asian Aerosol Conference, Australia, Dec. 2013, Japanese, Sydney, International conference

  Poster presentation


• 琵琶湖水中のフルボ酸の生物影響評価について

  早川 和秀, 岡本 高弘, 一瀬 諭, 古田 世子, 田中 仁志, 三崎 健太郎, 日下部 武敏, 清水 芳久, 藤嶽 暢英

  日本腐植物質学会第29回講演会, Nov. 2013, Japanese, 佐賀, Domestic conference

  Poster presentation


• 黒ボク土畑における堆肥施用が土壌腐植物質へ及ぼす影響

  KATO TAKU, 飯村 康夫, 松本 寿紀, 辰巳 誠, 淺田 まどか, 福島 寛子, 藤嶽 暢英

  日本腐植物質学会第29回講演会, Nov. 2013, Japanese, 佐賀, Domestic conference

  Poster presentation


• 湖沼や河川水の腐植物質含量はどのくらいを占めるか

  木田 森丸, 真木 謙造, 津田 久美子, 早川 和秀, 杉山 裕子, 川東 正幸, 大塚 俊之, KATO TAKU, 藤嶽 暢英

  日本腐植物質学会第29回講演会, Nov. 2013, Japanese, 佐賀, Domestic conference

  Oral presentation


• ベンゾ[a]ピレンの生物毒性に対する腐植酸の影響 —緑藻に対する生育阻害軽減効果—

  柳 由貴子, 奥山 裕佳, 藤嶽 暢英, 小林 孝行

  日本腐植物質学会第29回講演会, Nov. 2013, Japanese, 佐賀, Domestic conference

  Poster presentation


• FT-ICR MSと3DEEMsを用いた森林生態系を循環する溶存有機物の動態の解析

  森谷 美奈, 高橋 勝利, 大橋 瑞江, 大手 信人, 藤嶽 暢英, 山瀬 敬太郎, 中田 靖, 熊谷 哲, 杉山 裕子

  日本腐植物質学会第29回講演会, Nov. 2013, Japanese, 佐賀, Domestic conference

  Poster presentation


• 分子サイズ別画分の化学構造特性、黒色度、炭素・窒素安定同位体比から黒色腐植酸の生成過程を考える

  飯村 康夫, 米林 甲陽, 藤嶽 暢英

  日本土壌肥料学会2013年度名古屋大会, Sep. 2013, Japanese, 名古屋, Domestic conference

  Oral presentation


• 腐植酸寒天培地を用いた有機汚染物質のバイオアッセイ

  小林 孝行, 柳 由貴子, 藤嶽 暢英, 隅田 裕明

  日本土壌肥料学会2013年度名古屋大会, Sep. 2013, Japanese, 名古屋, Domestic conference

  Poster presentation


• 琵琶湖水中のフルボ酸の生物影響評価手法について

  早川 和秀, 岡本 高弘, 一瀬 諭, 古田 世子, 田中 仁志, 三崎 健太郎, 日下部 武敏, 清水 芳久, 藤嶽 暢英

  日本陸水学会第78回大会, Sep. 2013, Japanese, 大津, Domestic conference

  Poster presentation


• 琵琶湖水中のフミン物質の定量モニタリング

  藤嶽 暢英, 木田 森丸, 津田 久美子, 高田 明弘, 杉山 裕子, 早川 和秀

  日本分析化学会第62年会, Sep. 2013, Japanese, 大阪, Domestic conference

  Poster presentation


• 活性アルミナを用いた琵琶湖溶存有機物の分画法の検討

  内海 理伽, 早川 和秀, 藤嶽 暢英, 木田 森丸, 真木 謙造, 熊谷 哲, 杉山 裕子

  日本陸水学会第78回大会, Sep. 2013, Japanese, 大津, Domestic conference

  Poster presentation


• Characterization of dissolved organic matter using FT-ICR MS and fluorescence spectrometry in a Japanese Cypress forest ecosystem.

  MORITANI Mina, OHASHI Mizue, TAKAHASHI Katsuhiki, HARA Miyako, OHTE Nobuhito, FUJITAKE Nobuhide, YAMASE Keiichiro, NAKATA Yasushi, KUMAGAI Taku, SUGIYAMA Yuko

  日本地球惑星科学連合大会, May 2013, Japanese, 東京, Domestic conference

  Poster presentation


• 黒ボク土壌森林内における溶存有機物の動態に関する研究

  森谷 美奈, 原 都, 高橋 勝利, 大手 信人, 藤嶽 暢英, 山瀬 敬太郎, 中田 靖, 大橋 瑞江, 熊谷 哲, 杉山 裕子

  陸水学会近畿支部大会, Mar. 2013, Japanese, 奈良, Domestic conference

  Poster presentation


• 湖沼に蓄積する難分解性溶存有機物の藻類に及ぼす影響

  田中 仁志, 早川 和秀, 一瀬 諭, 藤嶽 暢英, 中村 省吾

  第47回日本水環境学会年会, Mar. 2013, Japanese, 大阪, Domestic conference

  Poster presentation


• C18、DAX固相抽出法による琵琶湖溶存有機物の分離と特徴の比較

  内海 理伽, 早川 和秀, 藤嶽 暢英, 高田 明弘, 小島 礼慈, 北野 史子, 熊谷 哲, 杉山 裕子

  陸水学会近畿支部大会, Mar. 2013, Japanese, 奈良, Domestic conference

  Poster presentation


• 琵琶湖水中の水系フミン物質の季節および深度別の変化

  木田 森丸, 高田 明弘, 津田 久美子, 光嵜 克敏, 白井 秀門, 北野 史子, 原 都, 小島 礼慈, 杉山 裕子, 早川 和秀, 藤嶽 暢英

  日本腐植物質学会第28回講演会, Nov. 2012, Japanese, 東京, Domestic conference

  Oral presentation


• 微生物による腐植酸の褪色に及ぼす粘土鉱物の影響－第2報－

  柳 由貴子, 宮川 輝久, 根木 陸郎, 藤嶽 暢英

  日本腐植物質学会第28回講演会, Nov. 2012, Japanese, 東京, Domestic conference

  Oral presentation


• 土壌腐植酸の化学構造特性に基づいた類型化

  小山 康太郎, 奥山 優衣, 谷 昌幸, 飯村 康夫, 柳 由貴子, 浅川 大地, 藤嶽 暢英

  日本腐植物質学会第28回講演会, Nov. 2012, Japanese, 東京, Domestic conference

  Oral presentation


• 大気中腐植様物質の水溶性・フルボ酸・腐植酸画分の化学構造特性

  浅川 大地, 藤嶽 暢英

  日本腐植物質学会第28回講演会, Nov. 2012, Japanese, 東京, Domestic conference

  Oral presentation


• 各種腐植酸とそれらメチル化物に対する多環芳香族化合物の親和性

  小林 孝行, 後藤 沙由里, 仲田 愛里, 青柳 茜, 藤嶽 暢英, 隅田裕明

  日本腐植物質学会第28回講演会, Nov. 2012, Japanese, 東京, Domestic conference

  Oral presentation


• フミン物質の化学構造特性とその多様性

  藤嶽 暢英

  日本腐植物質学会第28回講演会シンポジウム, Nov. 2012, Japanese, 東京, Domestic conference

  [Invited]

  Nominated symposium


• 土壌有機物の特性からみた炭素賦存量評価に向けた課題

  藤嶽 暢英, 飯村 康夫

  シンポジウムIII「日本の炭素賦存量を量・質の両面から考える」，日本土壌肥料学会2012年度鳥取大会, Sep. 2012, Japanese, 鳥取, Domestic conference

  [Invited]

  Nominated symposium


• 1H NMR法によるDOM特性解析における前処理法の検討

  齋藤 友里, 川端 訓功, 藤嶽 暢英

  日本土壌肥料学会2012年度鳥取大会, Sep. 2012, Japanese, 鳥取, Domestic conference

  Poster presentation


• 1H-NMR 分析法による土壌生態系のDOM 特性の把握−フィンランド・ラミー地域の事例

  齋藤 友里, 川端 訓功, Mike Starr, Liisa Ukonmaanaho, Markus Hartman, Lauri Arvola, 藤嶽 暢英

  日本土壌肥料学会2012年度鳥取大会, Sep. 2012, Japanese, 鳥取, Domestic conference

  Oral presentation


• TMAH熱化学メチル化GC/MS法による大気中腐植様物質の構造解析

  浅川 大地, 藤嶽 暢英

  第29回エアロゾル科学・技術研究討論会, Aug. 2012, Japanese, 福岡, Domestic conference

  Poster presentation


• Structural characterization of humic-like substances in atmospheric aerosols in Osaka, Japan.

  Asakawa D, Fujitake N

  The 22nd V. M. Goldschmit Conference, Jul. 2012, English, Montreal Canada, International conference

  Poster presentation


• Development and application of a method for quantitative analysis of aquatic humic substances in clear water

  Tsuda K, Takata A, Sugiyama Y, Hayakawa K, Fujitake N

  Acuatic Sciences Meeting of Association for the Sciences of Limnology and Oceanography 2012, Jul. 2012, English, 大津, International conference

  Poster presentation


• 琵琶湖水中の水系フミン物質の季節および深度別の変化

  高田 明弘, 津田 久美子, 光嵜 克敏, 白井 秀門, 北野 史子, 原 都, 小島 礼慈, 杉山 裕子, 早川 和秀, 藤嶽 暢英

  日本陸水学会近畿支部会第23回研究発表会, Mar. 2012, Japanese, 奈良, Domestic conference

  Poster presentation


• C18シリカゲルおよびDAX-8樹脂による溶存有機物の分別定量法の開発

  川端 訓功, 飯村 康夫, 大塚 俊之, 廣田 充, 藤嶽 暢英

  日本ペドロジー学会2012年度大会, Mar. 2012, Japanese, 東京, Domestic conference

  Poster presentation


• 微生物による腐植酸の褪色に及ぼす粘土鉱物の影響

  柳由貴子, 宮川輝久, 藤嶽暢英

  日本腐植物質学会第26回講演会, Nov. 2011, Japanese, 金沢, Domestic conference

  Poster presentation


• 大気中の腐植様物質の濃度と化学構造特性

  浅川大地, 藤嶽暢英

  日本腐植物質学会第27回講演会, Nov. 2011, Japanese, 金沢, Domestic conference

  Oral presentation


• 黒ボク土における腐植の集積とメカニズム

  藤嶽 暢英

  第50回公開シンポジウム 「黒ボク土の明と暗 ペドロジスとの提言」，日本ペドロジー学会2011年度大会, Sep. 2011, Japanese, 日本ペドロジー学会, 帯広, Domestic conference

  [Invited]

  Nominated symposium


• Quality analysis of dissolved organic matter by a sequential fractionation with C18 and DAX-8 resin

  KAWABATA Kuniyoshi, IIMURA Yasuo, TSUDA Kumiko, FUJITAKE Nobuhide

  Finnish-Japanese Seminar of the Dynamics of Dissolved organic Matter in Forested Catchments under Human and Environmental Impacts, Sep. 2011, English, Metla, Helsinki, Finland, International conference

  Poster presentation


• Characterization of dissolved organic matter in soils and streams using 1H-NMR spectra analysis

  SAITO Yuri, KAWABATA Kuniyoshi, STARR Mike, UKONMAANAHO Liisa, HARTMAN Markus, ARVOLA Lauri, FUJITAKE Nobuhide

  Finnish-Japanese Seminar of the Dynamics of Dissolved organic Matter in Forested Catchments under Human and Environmental Impacts, Sep. 2011, English, Metla, Helsinki, Finland, International conference

  Poster presentation


• Characterization and grouping of humic substances in soils and waters by NMR spectra

  FUJITAKE Nobuhide

  Finnish-Japanese Seminar of the Dynamics of Dissolved organic Matter in Forested Catchments under Human and Environmental Impacts, Sep. 2011, English, Metla, Helsinki, Finland, International conference

  [Invited]

  Nominated symposium


• 糸状菌による腐植酸の褪色に及ぼす粘土の影響(第2報) : Na+型とCa2+型の比較

  柳 由貴子, 宮川 輝久, 藤嶽 暢英

  日本土壌肥料学会2011年度つくば大会, Aug. 2011, Japanese, 日本土壌肥料学会, 茨城, Domestic conference

  Poster presentation


• 医薬品類と水系フミン物質の吸着

  國宗 実穂, 森 寿代, FUKUDA ITSUKO, ASHIDA HITOSHI, 藤嶽 暢英

  第20回環境化学討論会, Jul. 2011, Japanese, 日本環境化学会, 熊本, Domestic conference

  Poster presentation


• FRETペアとしての腐植物質と医薬品との相互作用‐スペクトル重なり積分と吸着係数の関係‐

  森 寿代, 大谷 知也, 藤嶽 暢英

  第20回環境化学討論会, Jul. 2011, Japanese, 日本環境化学会, 熊本, Domestic conference

  Poster presentation


• 高緯度地域における溶存有機物（DOM）の化学構造特性の把

  齋藤 友里, 川端 訓功, STARR Mike, 藤嶽 暢英

  日本ペドロジー学会2011年度大会, Mar. 2011, Japanese, 日本ペドロジー学会, 帯広, Domestic conference

  Poster presentation


• ピレンの親和性に及ぼす腐植酸の構造特性の影響

  後藤 沙由里, 青柳 茜, 清水千晶, 小林 孝行, 藤嶽 暢英

  日本化学会関東支部茨城地区研究交流会, Mar. 2011, Japanese, Domestic conference

  Oral presentation


• C18およびDAX-8による水抽出有機物疎水性画分の細分画法の検討

  川端 訓功, 飯村 康夫, 津田 久美子, 藤嶽 暢英

  日本ペドロジー学会2011年度大会, Mar. 2011, Japanese, 日本ペドロジー学会, 帯広, Domestic conference

  Poster presentation


• 溶存フミン物質の分画法の開発

  川端 訓功, 飯村 康夫, 津田 久美子, 藤嶽 暢英

  日本腐植物質学会第26回講演会, Nov. 2010, Japanese, 日本腐植物質学会, 筑波, Domestic conference

  Oral presentation


• 大阪市の大気エアロゾルに含まれる腐植物質の特性

  浅川 大地, 藤嶽 暢英

  日本腐植物質学会第26回講演会, Nov. 2010, Japanese, 日本腐植物質学会, 筑波, Domestic conference

  Oral presentation


• ピレンの微生物分解に及ぼす腐植酸の影響

  小林 孝行, 磯崎 里奈, 藤嶽 暢英

  日本腐植物質学会第26回講演会, Nov. 2010, Japanese, 日本腐植物質学会, 筑波, Domestic conference

  Poster presentation


• ツバキ科などを含む樹木根(圏)が土壌アルミニウムの形態に及ぼす影響

  戴 清霞, 阿江 教治, SUZUKI TAKESHI, Rajkumar Mani, 藤嶽 暢英, 福永 祥子

  日本土壌肥料学会2010年度北海道大会, Sep. 2010, Japanese, 日本土壌肥料学会, 北海道, Domestic conference

  Oral presentation


• Combined application of plant growth regulators and metal chelators for the improvement of heavy metal phytoextraction

  MANI Rajikumar, 戴 清霞, SUZUKI TAKESHI, 藤嶽 暢英, 阿江 教治

  日本土壌肥料学会2010年度北海道大会, Sep. 2010, Japanese, 日本土壌肥料学会, 北海道, Domestic conference

  Poster presentation


• 腐植物質に対する医薬品類の収着

  森 寿代, 大谷 知也, FUKUDA ITSUKO, ASHIDA HITOSHI, 藤嶽 暢英

  日本腐植物質学会第25回講演会, Nov. 2009, Japanese, 日本腐植物質学会, 兵庫, Domestic conference

  Oral presentation


• Trametes versicolorラッカーゼのフルボ酸褪色研究への適用ー固定化酵素による逐次反応と反応後フルボ酸の分析ー

  柳 由貴子, 田原 弘文, 藤嶽 暢英

  日本腐植物質学会第25回講演会, Nov. 2009, Japanese, 日本腐植物質学会, 兵庫, Domestic conference

  Oral presentation


• 腐植物質がチンゲンサイの硝酸イオン吸収に与える影響

  森 寿代, 高田 明弘, 白石 斉聖, 末吉 邦, 藤嶽 暢英

  日本土壌肥料学会2009年度京都大会, Sep. 2009, Japanese, 日本土壌肥料学会, 京都, Domestic conference

  Oral presentation


• 二次遷移の進行に伴い黒ボク土腐植物質の諸特性はどうなるのか? : 腐植酸の炭素および窒素安定同位体比

  飯村 康夫, 米林 甲陽, 田村 憲司, 東 照雄, 藤嶽 暢英

  日本土壌肥料学会2009年度京都大会, Sep. 2009, Japanese, 日本土壌肥料学会, 京都, Domestic conference

  Oral presentation


• 二次遷移の進行に伴い黒ボク土腐植物質の諸特性はどうなるのか? : 腐植酸とフルボ酸の化学構造特性解析

  飯村 康夫, 藤本 麻里, 田村 憲司, 東 照雄, 藤嶽 暢英

  日本土壌肥料学会2009年度京都大会, Sep. 2009, Japanese, 日本土壌肥料学会, 京都, Domestic conference

  Oral presentation


• 植物のケイ酸吸収能力の差が新鮮火山灰のアルミニウム富化に及ぼす影響について

  福永 祥子, 阿江 教治, SUZUKI TAKESHI, 馬 建鋒, 間藤 徹, 藤嶽 暢英

  日本土壌肥料学会2009年度京都大会, Sep. 2009, Japanese, 日本土壌肥料学会, 京都, Domestic conference

  Oral presentation


• 固定化ラッカーゼによるフルボ酸の褪色

  柳 由貴子, 田原 弘文, 藤嶽 暢英

  日本土壌肥料学会2009年度京都大会, Sep. 2009, Japanese, 日本土壌肥料学会, 京都, Domestic conference

  Oral presentation


• 固相抽出を用いた琵琶湖溶存有機物の化学分画に関する基礎的研究１

  北野 史子, 西本 鷹耶, 和田 千弦, 熊谷哲, 津田 久美子, 白井 秀門, 藤嶽 暢英, 早川 和秀, 島野 淳, 丸尾 雅啓, 杉山 裕子

  第74回日本陸水学会, Sep. 2009, Japanese, 日本陸水学会, Domestic conference

  Poster presentation


• ポドゾルの溶脱層および集積層から抽出される可動性腐植物質の特徴

  小泉 佳彦, 渡邉 哲弘, 柳 由貴子, 藤嶽 暢英, 谷 昌幸

  日本土壌肥料学会2009年度京都大会, Sep. 2009, Japanese, 日本土壌肥料学会, 京都, Domestic conference

  Oral presentation


• チェルノーゼム土壌における植物炭化物の分布と腐植組成との関係

  西村 周作, 谷 昌幸, 藤嶽 暢英, 宮崎 圭介, 進藤 晴夫

  日本土壌肥料学会2009年度京都大会, Sep. 2009, Japanese, 日本土壌肥料学会, 京都, Domestic conference

  Oral presentation


• Chemical properties of humic substances and sorption characteristics for pharmaceuticals

  MORI Hisayo, FUJIATKE Nobuhide

  The 238th American Chemical Society National Meeting, Aug. 2009, English, American Chemical Society, Washington DC, USA, International conference

  Poster presentation


• The effects of ecological succession on the characteristic of soil humic substances in a Japanese volcanic ash soil. Concentration and chemical properties of humic substances

  FUJITAKE Nobuhide, IIMURA Yasuo, FUJIMOTO Mari, HIROTA Mitsuru, TAMURA Kenji, HIGASHI Teruo, YONEBAYASHI Koyo

  International Symposium on Soil Organic Matter Dynamics: Land Use, Management and Global Change, Jul. 2009, English, Colorado Springs, USA, International conference

  Poster presentation


• The effects of ecological succession on the characteristic of soil humic substances in a Japanese volcanic ash soil: Chemical properties and stabilities of different size fractions of Humic acids

  IIMURA Yasuo, FUJITAKE Nobuhide, FUJIMOTO Mari, HIROTA Mitsuru, TAMURA Kenji, HIGASHI Teruo, YONEBAYASHI Koyo

  International Symposium on Soil Organic Matter Dynamics: Land Use, Management and Global Change, Jul. 2009, English, Colorado Springs, USA, International conference

  Poster presentation


• 天然水中のフミン物質の定量法

  藤嶽 暢英, 津田 久美子, 白井 秀門, 谷 昌幸

  第70回分析化学討論会, May 2009, Japanese, 日本分析化学会, Domestic conference

  Poster presentation


• 腐植酸の諸特性から見た黒ボク土と褐色森林土の関連性〜Ｉ 分取ＨＰＳＥＣ法による分子サイズ別分画と光学的特性〜

  藤本 麻里, 飯村 康夫, 田村 憲司, 東 照雄, 藤嶽 暢英

  日本ペドロジー学会2008年度大会, Mar. 2009, Japanese, 日本ペドロジー学会, 京都, Domestic conference

  Poster presentation


• 腐植酸の諸特性から見た黒ボク土と褐色森林土の関連性〜メチル化法を用いた腐植酸の物理化学構造特性解析〜

  飯村 康夫, 藤本 麻里, 田村 憲司, 東 照雄, 藤嶽暢英

  日本ペドロジー学会2009年度大会, Mar. 2009, Japanese, 日本ペドロジー学会, 京都, Domestic conference

  Poster presentation


• 腐植酸の諸特性から見た黒ボク土と褐色森林土の関連性〜II 各分子サイズ別画分の元素組成と13Ｃ ＮＭＲ特性〜

  飯村 康夫, 藤本 麻里, 田村 憲司, 東 照雄, 藤嶽 暢英

  日本ペドロジー学会2008年度大会, Mar. 2009, Japanese, 日本ペドロジー学会, 京都, Domestic conference

  Poster presentation


• ユーラシアおよびカナダのステップにおけるチェルノーゼム土壌とその腐植物質の特性

  谷 昌幸, 藤嶽 暢英, 小崎 隆

  第48回シンポジウム「大陸中央部冷温帯下の土壌の分布，特性，生成・分類−ユーラシア・北米の草原から森林へ−」日本ペドロジー学会2009年度大会, Mar. 2009, Japanese, 日本ペドロジー学会, 京都, Domestic conference

  [Invited]

  Nominated symposium


• 非有色水系の腐植物質定量法の検討—樹脂吸着（バッチ法）からのアプローチ

  津田 久美子, 白井 秀門, 藤嶽暢英

  第24回日本腐植物質学会講演会, Nov. 2008, Japanese, 日本腐植物質学会, 北海道, Domestic conference

  Oral presentation


• 土壌，堆積物および溶存腐植物質の水素同位体比

  関 宰, 長尾 誠也, 児玉 宏樹, 米林 甲陽, 宮島 徹, 中塚 武, 藤嶽暢英

  第24回日本腐植物質学会講演会, Nov. 2008, Japanese, 日本腐植物質学会, 北海道, Domestic conference

  Oral presentation


• 土壌と陸水の腐植物質の化学構造特性

  藤嶽暢英

  日本分析化学会近畿支部平成20年度第３回提案公募型セミナー「水圏の腐植物質研究会」, Nov. 2008, Japanese, 日本分析化学会近畿支部, 神戸, Domestic conference

  Public discourse


• 液体および固体13C NMR法による腐植物質の官能基炭素組成の比較 — 反転ゲートデカップリング法とCPMAS法

  渡辺 彰, 藤嶽 暢英

  第24回日本腐植物質学会講演会, Nov. 2008, Japanese, 日本腐植物質学会, 北海道, Domestic conference

  Oral presentation


• 黒ボク土における植物炭化物の性状

  西村 周作, 平舘 俊太郎, 藤嶽 暢英, 進藤 晴夫

  日本土壌肥料学会2008年度愛知大会, Sep. 2008, Japanese, 日本土壌肥料学会, 愛知, Domestic conference

  Oral presentation


• 各種土壌フルボ酸の相違性に関する研究

  飯村 康夫, 大谷 知也, 谷 昌幸, 藤嶽 暢英

  日本土壌肥料学会2008年度愛知大会, Sep. 2008, Japanese, 日本土壌肥料学会, 愛知, Domestic conference

  Oral presentation


• 13C NMRによる腐植物質の炭素官能基組成 : 反転ゲートデカップリング法とCPMAS法の比較

  渡辺 彰, 藤嶽 暢英

  日本土壌肥料学会2008年度愛知大会, Sep. 2008, Japanese, 日本土壌肥料学会, 愛知, Domestic conference

  Oral presentation


• 腐植物質から見た環境研究

  藤嶽暢英

  第17回環境化学討論会, Jun. 2008, Japanese, 環境化学会, 神戸, Domestic conference

  [Invited]

  Invited oral presentation


• 土壌および沢水中の水溶性腐植物質の化学特性〜黒ボク土壌地帯と褐色森林土壌地帯との比較

  浅川 大地, 阿曽 鈴華, 望月 秀将, 森 寿代, 藤嶽 暢英

  日本腐植物質学会第23回講演会, Nov. 2007, Japanese, 日本腐植物質学, 弘前, Domestic conference

  Oral presentation


• 環境中の腐植物質の炭素および窒素安定同位体比の時空間変動

  米林 甲陽, 藤嶽 暢英

  日本腐植物質学会第23回講演会, Nov. 2007, Japanese, 日本腐植物質学, 弘前, Domestic conference

  Oral presentation


• Trametes versicolorラッカーゼのフルボ酸褪色研究への適用〜Trametes villosaラッカーゼとの比較

  柳 由貴子, 北山 慶一, 田原 弘文, 藤嶽 暢英

  日本腐植物質学会第23回講演会, Nov. 2007, Japanese, 日本腐植物質学, 弘前, Domestic conference

  Oral presentation


• HPSEC分画法による土壌腐植酸の特性解析: 黒ボク土腐植酸と褐色森林土腐植酸の関連性へのアプローチ

  飯村 康夫, 藤本 麻里, 田村 憲司, 東 照雄, 藤嶽 暢英

  日本腐植物質学会第23回講演会, Nov. 2007, Japanese, 日本腐植物質学, 弘前, Domestic conference

  Oral presentation


• C18固相抽出により分離された琵琶湖溶存有機物の特徴〜IHSS法により抽出された溶存腐植物質との比較

  杉山 祐子, 和田 千弦, 熊谷 哲, 鈴木 智代, 早川 和秀, 児玉 宏樹, 米林 甲陽, 藤嶽暢英, HATCHER Patrick G

  日本腐植物質学会第23回講演会, Nov. 2007, Japanese, 日本腐植物質学, 弘前, Domestic conference

  Oral presentation


• AMS14C年代測定にもとづく森林土壌における土壌菌核粒子の滞留時間

  外崎 公徳, 松崎 浩之, 井上 弦, 藤嶽 暢英, 渡邊眞貴子

  日本腐植物質学会第23回講演会, Nov. 2007, Japanese, 日本腐植物質学, 弘前, Domestic conference

  Oral presentation


• 土壌腐植の生成・分解プロセスと移行挙動に関する研究

  藤嶽 暢英

  第２回菅平高原実験センター研究集会, Oct. 2007, Japanese, 筑波大学菅平高原実験センター, 長野, Domestic conference

  [Invited]

  Nominated symposium


• 河川溶存腐植物質の化学構造特性のバリエーション

  津田 久美子, 児玉 宏樹, 森 寿代, 浅川 大地, 長尾 誠也, 藤嶽 暢英

  日本陸水学会第72回大会, Sep. 2007, Japanese, 日本陸水学会, 茨城, Domestic conference

  Oral presentation


• 日本各地における土壌溶存腐植物質の13C NMR特性

  藤嶽 暢英, 森 寿代, 浅川 大地, 津田 久美子, 阿曽 鈴華, 柳 由貴子, 児玉 宏樹, 長尾 誠也

  日本土壌肥料学会2007年度東京大会, Aug. 2007, Japanese, 日本土壌肥料学会, 東京, Domestic conference

  Oral presentation


• 土壌および沢水中の水溶性腐植物質の化学構造特性と動態 : 黒ボク土壌地帯と褐色森林土壌地帯との比較

  浅川 大地, 森 寿代, 阿曽 鈴華, 藤嶽 暢英

  日本土壌肥料学会2007年度東京大会, Aug. 2007, Japanese, 日本土壌肥料学会, 東京, Domestic conference

  Poster presentation


• 炭素および窒素安定同位体比からみた腐植物質の時空間変動

  米林 甲陽, 藤嶽 暢英

  日本土壌肥料学会2007年度東京大会, Aug. 2007, Japanese, 日本土壌肥料学会, 東京, Domestic conference

  Oral presentation


• 異なるフルボ酸に対するLaccaseの褪色作用

  柳 由貴子, 北山 慶一, 藤嶽 暢英

  日本土壌肥料学会2007年度東京大会, Aug. 2007, Japanese, 日本土壌肥料学会, 東京, Domestic conference

  Oral presentation


• オオムギの硝酸吸収に及ぼす腐植物質の影響

  佐藤 庸, 大石 真盛, 末吉 邦, 藤嶽 暢英, 大竹 憲邦, 大山 卓爾

  日本土壌肥料学会2007年度東京大会, Aug. 2007, Japanese, 日本土壌肥料学会, 東京, Domestic conference

  Poster presentation


• HPSECで細分画した黒ボク土腐植酸の13C NMR特性

  飯村 康夫, 藤本 麻里, 藤嶽 暢英

  日本土壌肥料学会2007年度東京大会, Aug. 2007, Japanese, 日本土壌肥料学会, 東京, Domestic conference

  Oral presentation


• Chemical properties of humic substances of Andosoil in Japan

  YONEBAYASHI Koyo, KODAMA Hiroki, FUJITAKE Nobuhide

  8th Conference of the East and Southeast Asian Federation of Soil Science, Aug. 2007, English, Taiwan, International conference

  Poster presentation


• Comparisons of chemical properties of water-soluble humic substances in litter, mineral soil and stream

  ASAKAWA Daichi, MORI Hisayo, ASO Suzuka, FUJITAKE Nobuhide

  3rd International Conference on Mechanisms of Organic Matter Stabilisation and Destabilisation in Soils and Sediments, Jul. 2007, English, Adelaid, Austalia, International conference

  Poster presentation


• Aluminum and iron contents of sclerotium grains and their role as persistent organic component in forest soils

  SAKAGAMI Nobuo, WATANABE Makiko, FUJITAKE Nobuhide, OHTA Hiroyuki

  International Symposium on Organic Matter Dynamics in Agro-Ecosystems, Jul. 2007, English, Poitiers, International conference

  Poster presentation


• 植生・標高系列における森林土壌中の菌核粒子分布の変化-青森県岩木山，岐阜県御嶽山を例として-

  坂上 伸生, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  日本地理学会春季学術大会, May 2007, Japanese, 日本地理学会, 東京, Domestic conference

  Oral presentation


• 腐植物質の多様性とインベントリー作成

  藤嶽 暢英

  日本腐植学会, 2005, Japanese, 日本腐植学会, 神戸, Domestic conference

  Oral presentation


• 土地利用形態の異なる黒ボク土における腐植酸褪色菌数の差異

  柳 由貴子, 余田 香里, 来 理, 小椋 和彦, 藤嶽 暢英

  日本腐植学会, 2005, Japanese, 日本土壌肥料学会, 神戸, Domestic conference

  Oral presentation


• 土壌菌核粒子の形成と遊離鉄

  坂上 伸生, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  土肥学会, 2005, Japanese, 日本土壌肥料学会, 島根, Domestic conference

  Oral presentation


• 土壌および周辺沢中の水溶性腐植物質の構造特性 季節による変動

  浅川 大地, 望月 秀将, 柳 由貴子, 鈴木 武志, 藤嶽 暢英

  土肥学会, 2005, Japanese, 日本土壌肥料学会, 島根, Domestic conference

  Oral presentation


• 土壌および周辺沢水中の水溶性腐植物質におけるNMR特性の季節変化

  浅川 大地, 望月 秀将, 柳 由貴子, 藤嶽 暢英

  日本腐植学会, 2005, Japanese, 日本腐植学会, 神戸, Domestic conference

  Oral presentation


• 鉄型土壌菌核粒子について

  渡邊 眞紀子, 上原 英之, 井上 弦, 坂上 伸生, 藤嶽 暢英, 太田 寛行

  土肥学会, 2005, Japanese, 日本土壌肥料学会, 島根, Domestic conference

  Oral presentation


• 黒ボク土における腐植酸褪色菌数と土地利用形態との関係

  余田 香里, 柳 由貴子, 来 理, 藤嶽 暢英

  土肥学会, 2005, Japanese, 日本土壌肥料学会, 島根, Domestic conference

  Oral presentation


• HPLC法による土壌中の緑色成分分離定量法の開発

  小林 孝行, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  土肥学会, 2005, Japanese, 日本土壌肥料学会, 島根, Domestic conference

  Oral presentation


• Ａ型腐植酸様物質を含む土壌改良資材の創出（第三報）木質炭素源と石炭灰を用いたＡ型腐植酸様物質の創出とその分解特性

  井汲 芳夫, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  日本土壌肥料学会, 2004, Japanese, 日本土壌肥料学会, 福岡, Domestic conference

  Oral presentation


• 木質廃棄物とケイフンから作成した堆肥の腐熟化に伴う腐植酸様物質の化学構造特性の変化

  鈴木 武志, 吉田 淳平, 藤嶽 暢英, 大塚 紘雄

  日本腐植物質学会第20回講演会, 2004, Japanese, 日本腐植物質学会, 千葉, Domestic conference

  Oral presentation


• 土壌中の腐植酸褪色菌の菌数ならびに褪色活性の測定

  余田 香里, 柳 由貴子, 鈴木 武志, 藤嶽 暢英

  日本土壌肥料学会, 2004, Japanese, 日本土壌肥料学会, 福岡, Domestic conference

  Oral presentation


• 土壌からHCI-DMSOで抽出される緑色色素について

  小林 孝行, 浅川 大地, 柳 由貴子, 鈴木 武志, 渡邊 眞紀子, 太田 寛行, 藤嶽 暢英

  日本土壌肥料学会, 2004, Japanese, 日本土壌肥料学会, 福岡, Domestic conference

  Oral presentation


• 石炭灰の緑化用土としての特性と緑化樹木に与える影響

  坂 文彦, 鈴木 武志, 渡辺 郁夫, 井汲 芳夫, 藤嶽 暢英, 大塚 紘雄

  日本土壌肥料学会, 2004, Japanese, 日本土壌肥料学会, 福岡, Domestic conference

  Oral presentation


• 水溶性腐植物質の動態と構造特性

  浅川 大地, 望月 秀将, 鈴木 武志, 石井 弘明, 金澤 洋一, 藤嶽 暢英

  日本腐植物質学会第20回講演会, 2004, Japanese, 日本腐植物質学会, 千葉, Domestic conference

  Oral presentation


• リター及び土壌中の水溶性腐植物質の採取法についての検討

  望月 秀将, 浅川 大地, 鈴木 武志, 大塚 紘雄, 石井 弘明, 金澤 洋一, 藤嶽 暢英

  日本土壌肥料学会, 2004, Japanese, 日本土壌肥料学会, 福岡, Domestic conference

  Poster presentation


• フルボ酸退色研究における固定化Laccaseの利用

  北山 慶一, 柳 由貴子, 鈴木 武志, 藤嶽 暢英

  日本腐植物質学会第20回講演会, 2004, Japanese, 日本腐植物質学会, 千葉, Domestic conference

  Oral presentation


• 分取HPSEC で得られた腐植酸の粒子サイズ別画分の構造特性

  清田 拓郎, 藤嶽 暢英, 柳 由貴子, 鈴木 武志, 大塚 紘雄

  日本腐植物質学会第１９回講演会講演要旨集, Nov. 2003, Japanese, 日本腐植物質学会, 佐賀大学, Domestic conference

  Oral presentation


• 土壌からHCl-DMSOで抽出される緑色色素について

  小林 孝行, 浅川 大地, 柳 由貴子, 鈴木 武志, 大塚 紘雄, 渡辺 眞紀子, 太田 寛行, 藤嶽 暢英

  日本腐植物質学会第１９回講演会講演要旨集, Nov. 2003, Japanese, 日本腐植物質学会, 佐賀大学, Domestic conference

  Oral presentation


• 酵素処理による腐植酸およびフルボ酸の特性変化

  柳 由貴子, 北山 慶一, 清田 拓郎, 鈴木 武志, 大塚 紘雄, 藤嶽 暢英

  日本腐植物質学会第１９回講演会講演要旨集, Nov. 2003, Japanese, 日本腐植物質学会, 佐賀大学, Domestic conference

  Oral presentation


• 腐植構造特性のバリエーションと環境・生態系との関わり

  藤嶽 暢英

  日本土壌肥料学会2003年度大会講演要旨集, 2003, Japanese, 日本土壌肥料学会, 神奈川, Domestic conference

  Oral presentation


• 琵琶湖水中の腐植物質の化学構造特性（元素分析・NMR 分光分析等）

  藤嶽 暢英

  日本水環境学会シンポジウム講演集, 2003, Japanese, 日本水環境学会, 未記入, Domestic conference

  Oral presentation


• 土壌菌核粒子内に見られる生体鉱物について

  渡辺 眞紀子, 坂上 伸生, 藤嶽 暢英, 太田 寛行, 井上 弦

  日本土壌肥料学会2003 年度大会講演要旨集, 2003, Japanese, 日本土壌肥料学会, 神奈川, Domestic conference

  Oral presentation


• 土壌菌核様粒子の化学組成および化学結合状態について

  井上 弦, 渡辺 眞紀子, 太田 寛行, 藤嶽 暢英

  日本土壌肥料学会2003 年度大会講演要旨集, 2003, Japanese, 日本土壌肥料学会, 神奈川, Domestic conference

  Oral presentation


• 神戸市周辺のため池に存在する水中有機物の特性および類型化

  福森 郁哉, 平井 恵子, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  日本土壌肥料学会2003 年度大会講演要旨集, 2003, Japanese, 日本土壌肥料学会, 神奈川, Domestic conference

  Oral presentation


• 糸状菌の褪色作用に対する腐植の安定性

  柳 由貴子, 余田 香里, 渡辺 眞紀子, 鈴木 武志, 大塚 紘雄, 藤嶽 暢英

  日本土壌肥料学会2003 年度大会講演要旨集, 2003, Japanese, 日本土壌肥料学会, 神奈川, Domestic conference

  Oral presentation


• 河川水及び地下水における腐植物質の特性

  藤嶽 暢英

  日本水環境学会シンポジウム講演集, 2003, Japanese, 日本水環境学会, 未記入, Domestic conference

  Oral presentation


• Relation between biostability and chemical properties of soil humic substances

  FUJITAKE Nobuhide, YANAGI Y

  Abstracts of the 13th annual V.M. Goldschmidt conference, 2003, English, 未記入, Kurashiki, Japan, Domestic conference

  Oral presentation


• Effect of phosphate and pH on humification of three plant residues with fresh volcanic ashes

  SOCCORO Atendido, 鈴木 武志, 藤嶽 暢英, 大塚 紘雄

  日本土壌肥料学会2003 年度大会講演要旨集, 2003, Japanese, 日本土壌肥料学会, 神奈川, Domestic conference

  Oral presentation


• A 型腐植酸様物質を含む土壌改良資材の創出（第三報）－創出したA 型腐植酸様物質の化学構造特性

  鈴木 武志, 井汲 芳夫, 吉田 淳平, 藤嶽 暢英, 大塚 紘雄

  日本土壌肥料学会2003 年度大会講演要旨集, 2003, Japanese, 日本土壌肥料学会, 神奈川, Domestic conference

  Oral presentation

• Development of SPF-EEM spectroscopy for non-extraction and non-destructive analysis of natural organic matter

  中屋 佑紀, 山村 寛, 藤嶽 暢英, 癸生川 陽子, 齋藤 伸吾

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Research (Pioneering), Hokkaido University, 28 Jun. 2024 - 31 Mar. 2028


• Reconstruction of a size-reaction continuum model of dissolved organic matter in the aquatic environments focusing on the relationship between molecular size and chemical composition

  早川 和秀, 山口 保彦, 藤嶽 暢英, 木田 森丸, 布施 泰朗, 初 雪

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Lake Biwa Environmental Research Institute, 01 Apr. 2024 - 31 Mar. 2027


• Does fine root production in deep soil layers support high carbon storage capacity in mangrove ecosystems?

  近藤 美由紀, 藤嶽 暢英

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), National Institute for Environmental Studies, 01 Apr. 2022 - 31 Mar. 2025


• 「林地へのバイオ炭の施用によるCO2放出の削減と生態系サービスの強化に関する研究（バイオ炭施用に伴う中長期的な土壌圏の応答性とレジリエンス機能の定量的評価）」

  環境省, 環境研究総合推進費, 環境問題対応型研究（カーボンニュートラル枠）, 神戸大学, 2022 - 2024, Principal investigator


• バイオチャーが森林生態系の土壌圏と生態系炭素隔離機能に及ぼす中長期的影響の解明

  吉竹 晋平, 藤嶽 暢英, 川東 正幸, 大塚 俊之, 友常 満利

  日本学術振興会, 科学研究費助成事業, 基盤研究(B), 早稲田大学, 01 Apr. 2019 - 31 Mar. 2023

  本研究の目的は野外におけるバイオチャー散布実験を通して、生態系の炭素隔離機能の中長期的変化と、その変化に関わる土壌圏の応答メカニズムを明らかにすることである。散布後６年目となる本年度も継続して、生態学的手法に基づく炭素循環プロセスの測定を実施した。昨年度までと同様に、植物成長量、リターフォール量の測定を行った。また、生態系からの炭素損失である土壌呼吸および従属栄養生物呼吸についても測定を継続した。従属栄養生物呼吸については、散布後4年目までのデータをまとめて著名な国際誌に投稿したが掲載には至らなかったため、現在補足データを加えるなどして改訂をすすめ、別の国際誌に投稿予定である。また、本年度は特に細根バイオマスおよび生産量について、それぞれコアサンプリング法およびルートメッシュ法を用いて推定した。しかし対照区とバイオチャー散布区との間で、樹木および林床ササの細根バイオマスや生産量に有意差は見られなかった。これは、散布からすでに6年が経過しており、バイオチャーによる影響が弱まっている可能性もあると考えられた。 一昨年度に新規に開始した小区画でのバイオチャー散布実験において、スキャナ法による細根動態解析を継続した。昨年度得られていたデータを再検討したところ、昨年度はスキャナ法に用いるアクリルボックス埋設による土壌攪乱の影響が残っていたと考えられた。したがって、細根動態解析には散布後1年が経過した今年度以降のデータを用いることが適切だと判断した。スキャナ画像の解析の結果、バイオチャーの散布によって細根生産率に顕著な変化は見られなかったが、バイオチャー散布区でやや生産率が低下する傾向が見られた。また、根画像において新規伸長した部分と枯死した部分を識別し、その面積変化をもとにターンオーバー率を算出したところ、バイオチャーを散布した区画ではターンオーバーがやや低下するという結果が見られた。


• 北極モスツンドラ湿原の凍土融解・流出過程における有機炭素の分子種別変動機構の解明

  藤嶽 暢英, 近藤 美由紀, 川東 正幸, 内田 雅己, 大西 健夫, 布施 泰朗

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Kobe University, Apr. 2020 - Mar. 2023, Principal investigator

  本研究は、高緯度北極地域に分布する高密度炭素生態系であるモスー ツンドラ湿原に蓄蔵されている炭素の凍土融解や海洋への流出過程における量的・質的変動を解析する研究である。研究対象地はノルウェー・スバールバル諸島・ニーオルスン・ステュファレット湿原であるが、COVID-19の影響により現地での想定深度の永久凍土採取が実施できなかったため、代表者の研究室に保有していた試料を用いて、凍結融解サイクル実験を実施した。 活動層（0-20 cm：上部、中部、下部）と凍土表層（20-56 cmの3 cmごと）の融解水試料について、TOC計、3D-EEM、SPR-W5-WATERGATEパルス-1H NMRなどの分析に供した。各種光学的指標データや3D-EEM解析の結果からは活動層中部の溶存有機炭素（DOC）特性は同上部とは大きく異なるが、同下部や凍土表層では類似した特性を示した。また、1H NMR分析の結果からは活動層中部は同上部と類似していたが、下部および凍土表層とは大きく異なる特性が示された。これは3D-EEMなどの汎用法だけでDOCを評価することの問題を示唆している。また、活動層下部から凍土表層にかけてのDOC特性の大きな違いは認められないことが明らかになった。 次いで、融解後の凍土を再凍結する操作を繰り返す、凍結融解サイクル実験を行った。その結果、活動層上部は他層に比べてサイクル操作による量的・質的な影響を受けすい脆弱なDOC特性を持つことが明らかになった。それ以外の層のDOCは難溶解性成分割合の高いことが示された。これらの結果を踏まえ、温暖化現象による凍土層融解の促進に伴って溶出する可能性のあるDOC特性を考慮した上で、北極湿原における炭素フローを解析する必要性が求められ、調査対象地における定量的データや、より深い凍土層試料を用いた解析情報の補填の必要性が認められた。


• Effect of biochar amendment to structure and function of soil organic lager in forest ecosystem

  TOMOTSUNE Mitsutoshi

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), 01 Apr. 2018 - 31 Mar. 2021

  Addition of biochar to forest floor have been focused as an effective strategy for controlling global warming. This study evaluated the effect of boichar amendment to structure and function of soil organic layer (litter layer) in a temperate deciduous forest. In our study, biochar largely changed the physical, chemical and biological structure of litter layer, and increased the leaf litter decomposition. This result indicates that amount of added biochar carbon was canceled by increased carbon emission with leaf litter decomposition. In addition, the released nutrients with the decomposition increased the net primary production of dominated trees. Therefore, biochar was largely effect the carbon balance of ecosystem, and then the dynamics of soil organic layer was important factor for carbon sequestration on the forest ecosystem.


• Kaya fields as an agricultural resource: Towards the Sustainable Use of Kaya fields

  HIROTA Mitsuru

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), University of Tsukuba, 18 Jul. 2017 - 31 Mar. 2020

  The purpose of this study is to evaluate the value of Kayaba, (Kaya field), which is still used today, from multiple perspectives. The effects of the fire treatment, herbaceous and fungal fauna studies, and soil studies were conducted in a Kayaba, located in Otari village, in Nagano prefecture. The vegetation structure and its biomass differed greatly from place to place, and the differences in soil quality have led to differences in the vegetation. In addition, this study revealed that it has an impact on the quality of the thatch. It was also found that the presence or absence of burning has a significant impact on the quality of thatch and that special fungi exist on thatched roofs. This study highlights that the biota, quantity and quality of thatch production in the thatch field were strongly influenced by human management, such as burning and harvesting.


• Soil carbon mineralization by priming effect: Temperature sensitivity mechanism of soil carbon mineralization

  IIMURA YASUO

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), The University of Shiga Prefecture, 01 Apr. 2017 - 31 Mar. 2020

  The response of soil organic carbon (SOC) to global warming is a crucial subject. Changes in the mineralization of native SOC, i.e., priming effect” (PE) may strongly affect the temperature sensitivity of SOC turnover in the presence of global warming. We investigated the temperature sensitivity of SOC in a Japanese volcanic ash soil considering PE phenomenon. We found that soil-originated CO2 emission clearly increased with increasing temperature on the assumption that the temperature and substrate supply increase at the same time. These results suggest that not only the temperature increase but also the labile carbon supply may be important for the temperature sensitivity of Japanese volcanic ash soil.


• Mechanisms of warming promote organic matter decomposition in the Qinghai Tibetan Plateau

  Hirota Mitsuru, Tang Yanhong

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), University of Tsukuba, 01 Apr. 2015 - 31 Mar. 2019

  To understand mechanisms underlying warming promotion of organic matter decomposition in alpine ecosystem, CO2 emission from soil surface and soil organic matter (SOM) properties were investigated in an alpine grassland at four altitudes from 3600 to 4200 m along a slope on the northwestern Qinghai-Tibetan Plateau The CO2 emission rate was lower at the higher altitudes than that of lower altitude sites. Meanwhile, CO2 efflux sensitivity to temperature expressed as Q10 value, showed no clear trend. As for SOM properties, amounts of combined-form humic acids obtained by HCl pretreatment were remarkably higher than those extracted with Na4P2O7, indicating that the combined form of humic acids is mainly Ca. Therefore, the formation of the organo-mineral complex may contribute to stabilizing SOM in the Qinghai Tibetan Plateau. These unique features of SOM may be attributed to large range of temperature change in such the alpine ecosystems.


• Effect of biochar on carbon sequestration and ecosystem responses in a broad-leaved deciduous forest

  Koizumi Hiroshi

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Waseda University, 01 Apr. 2015 - 31 Mar. 2019

  To clarify an effect of biochar on carbon sequestration in a forest ecosystem, we conducted experiments of biochar addition in a warm-temperate deciduous forest, Japan. The biochar addition increased carbon absorption with plant photosynthesis, although it slightly increased carbon emission with decomposition of soil organic matter. However, amount of added carbon as biochar was larger than that of the incraseing carbon emission with decomposition. It suggests that the biochar is effective material for carbon sequestration in the forest ecosystems.


• Succession and climate-change responses of nitrification properties of soils in a glacier foreland in the European High Arctic

  Hayashi Kentaro, UCHIDA Masaki, HAYATSU Masahito, Loonen Maarten J.J.E., TANABE Yukiko, ONO Keisuke, FUJITAKE Nobuhide, ASANO Maki, FUJITANI Hirotsugu, HATTORI Shohei, SHIROUZU Takashi

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), 01 Apr. 2014 - 31 Mar. 2019

  Field survey on nitrification properties (ammonia oxidation potential and flora of ammonia oxidizer) of soils in a glacier foreland was conducted near Ny-Alesund, Svalbard in the European High Arctic. Immature soil in such the High Arctic showed nitrification. Relevant information utilizable for future study was derived, for example, a chronosequence is difficult to be applied such a glacier foreland due to perturbation by melting water and debris, and an open top chamber showed a passive warming effect with an 0.5 deg C increase in the mean soil temperature. Furthermore, talus soils under bird cliffs showed very high nitrification and denitrification potentials with positive temperature responses and in-situ nitrous oxide emissions.


• Dynamics of soil organic carbon in a mangrove forest on an estuary of Trat River, eastern Thailand

  OHTSUKA Toshiyuki, UCHIDA Masao, IIMURA Yasuo

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Gifu University, 01 Apr. 2015 - 31 Mar. 2018

  To estimate soil organic carbon (SOC) storage and dynamics in mangrove forests of Trat River in eastern Thailand, we inventoried SOC pools in 0- 3.5 m soil profiles and daily changes of DIC (dissolved inorganic carbon) and δ13C-DIC in the water of Trat River. SOC pools in the mangroves were ranged from 926 to 1041 Ｍg C / ha, which have more than 5 times carbon compared to plant biomass. The relative contribution of mangrove-derived DIC in the water reached up to 15%, based on the isotopic mass balance model. CO2 efflux from the soil surface by the decomposition of SOC should have low compared to upland forests under submerged soil in mangroves, however, our results suggested that DIC makes a significant contribution to the total carbon export from mangrove ecosystems.


• 特殊パルスNMR法の活用による陸域溶存有機炭素の分子レベルでの変遷プロセスの解析

  藤嶽 暢英

  科学研究費補助金／基盤研究(B), Apr. 2015 - Mar. 2018, Principal investigator

  Competitive research funding


• 食料廃棄物を用いた有機資材による高付加価値黒大豆生産のための環境創造型農業の構築

  芦田 均

  科学研究費補助金／基盤研究(B), Apr. 2015 - Mar. 2018

  Competitive research funding


• Application of FT-ICR MS to see the variations in the molecular diversity of dissolved organic matter in forest ecosystems

  Mizue Ohashi, IDE Junichiro

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), University of Hyogo, 01 Apr. 2013 - 31 Mar. 2017

  In this study, we aimed to clarify the composition and it’s changes in DOM in forest ecosystems using FT-ICRMS. We made a protocol of FT-ICR MS analysis, which consists from (1) how to get water samples in field, (2) pretreatment of samples, (3) spectra analysis, (4) extraction of molecule peak, (5) extraction of common molecule. We applied the protocol to clarify the changes in water quality in Finland and Japan. In Finland, the changes in DOM according to the water cycling in a Norway spruce forest was clarified by this method. In Japan, the difference of throughfall depending on the different forest types was clarified with this method.


• Large-scale assessment and prediction of emission/efflux processes of soil carbon in the High Arctic

  NAKATSUBO Takayuki, OURA NORIKO, KISHIMOTO AYAKA, HIROTA MITSURU, FUJITAKE NOBUHIDE, YONEMURA SEIICHIRO

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Hiroshima University, 01 Apr. 2012 - 31 Mar. 2017

  This study aims to clarify the emission and efflux processes of soil carbon in the High Arctic and to predict changes in the processes in a wide-scale by using an ecosystem carbon cycle model and remote sensing techniques. The area of major vegetation types in the study area (Brogger Peninsula, Svalbard) was quantified by analyzing a satellite image. Field studies were conducted mainly in peatlands for which data of carbon cycle were scarce. Apparent rates of C accumulation in a peatland, estimated based on the 14C age and amount of peat in the active layer, were calculated to be 9.0-19.2 gC m-2 yr-1. The measurements of CO2 fluxes and model analyses revealed that the peatland was an active place of carbon sequestration. The analysis of DOC in the stream water showed that a significant proportion of the fixed C was lost from the peatland. Based on these results, we evaluated the whole carbon dynamics in the study area and constructed a prediction model.


• Study on a natural cleaning mechanism of pollutants in the water system of Lake Baikal.

  Kawahigashi Masayuki, Watanabe Makiko, Fujitake Nobuhide, Kobayashi Takayuki

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Tokyo Metropolitan University, 01 Apr. 2013 - 31 Mar. 2016

  Selenge River is the largest tributary in all of rivers flowing into the Lake Baikal. Watersheds of the tributary are strongly affected by large scale reclamation of the land for mining and agriculture.However, there is no report about fatal pollutions in the lake Baikal, indicating that natural cleaning systems should be addressed for removal of pollutants. In this study, suspended solids (SS) are mainly focused as a carrier of pollutants to elucidate the mechanism of SS removal in the river system. As a result, some heavy metals attached onto SS increase their concentration in the downstream of a mining area, indicating contamination process due to drainage from mining. Sedimentation of SS particles was observed in the downstream of a confluence point with a tributary. At the Selenge delta, the river flow spread into many small tributaries, resulting that decrease in flow rate leaded sedimentation of SS particles accompanied by accumulation of heavy metals in the bottom sediment.


• Soil organic carbon pools and dynamics in a mangrove forest

  OHTSUKA Toshiyuki, FUJITAKE Nobuhide, KINJO Kazutoshi

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Gifu University, 01 Apr. 2012 - 31 Mar. 2015

  To reveal the dynamics of soil organic matter, we conducted the study of ecosystem ecology and soil organic chemistry in a mangrove forest on an estuary of the Fukido River, Ishigaki Island, southern Japan. Almost aboveground fine litter flowed away from the mangrove forest due to the ebb tide, but belowground fine litter (necromass of fine root) was higher in the deep soil. Heterotrophic respiration is rather high because of CO2 fluxes from water surface at high tide and CWD decomposition at low tide. Concentrations of humic substances (HS) in the headwaters of Fukido River are higher than other river water, and HS was absorbed by mangrove soil due to high salinity. These data suggested that high fine root production/decomposition and DOC (HS) input from terrestrial evergreen forest through the river is important for soil accumulation in mangrove forests.


• Development of toxicity test for algae by exposing recalcitrant dissolved organic matter accumulated in lakes

  HAYAKAWA Kazuhide, SUGIYAMA Yuko, TANAKA Hitoshi, FUJITAKE Nobuhide, MARUO Masahiro

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Lake Biwa Environmental Research Institute, 01 Apr. 2012 - 31 Mar. 2015

  Recalcitrant dissolved organic matter (DOM) is a possible factor of increasing COD in several closed-water areas in Japan, including Lake Biwa. In this study, we conducted to collect fulvic acid in Lake Biwa, and to clarify its chemical properties as a representative of recalcitrant DOM. Furthermore, we examined growth inhibition test of green alga Chlamydomonas, which is one of ecological impact test of chemical substances. The results of the algae growth inhibition test using Chlamydomonas, the inhibition effect was not observed on the fulvic acid of Lake Biwa. We concluded that the fulvic acid under existing concentration present concentration in the lake was no inhibition effect for aquatic organisms, suggested by the present study and crustaceans and fish inhibition tests in another researches.


• Novel molecular function of mushroom in carbon dioxide assimilation

  MIZUNO Masashi, FUJITAKE Nobuhide, KIKUCHI Jyun

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Kobe University, 2010 - 2011

  Carbon exchange between the atmosphere and the terrestrial biosphere is a key consideration in assessing the issue of global warming. Photosynthesis has come to be considered as the only process in CO_2 gas uptake to the terrestrial ecosystem. Here we have, however, discovered that Basidiomycetes(mushroom) fruiting bodies, which have no photosynthetic capabilities, selectively absorb CO_2 gas. We demonstrated that the CO_2 gas uptook abilities of L. edodes. This discovery not only compels us to re-examine the carbon balance, but also may indicate the possible existence of CO_2 fixation systems other than those involving photosynthetic organisms.

  Competitive research funding


• Simple fractionation analysis for dissolved humic substances : utilization for DOM dynamic analysis in soil and water ecosystems.

  FUJITAKE Nobuhide, NAGAO Seiya, KAWAHIGASHI Masayuki, TANI Masayuki, SUGIYAMA Yuko, HIROTA Mitsuru, TAKAHASHI Katsutoshi

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Kobe University, 2009 - 2011, Principal investigator

  Fractionation methods based on the hydrophobic-and hydrophilic-properties of the DOM, which governs the carbon dynamics in soil and water ecosystems greatly, were developed as new DOM dynamics analysis. By the successive method based on resin adsorption, it found out that the DOM could classify to hydrophilic DOM and hydrophobic DOM, and the latter further to DOM of strong hydrophobic and weak hydrophobic. The usefulness of this facilitated technique was proved through actual analysis of DOM in some of the soils and the lake waters.

  Competitive research funding


• 土壌中に存在する難溶性重金属の重金属超集積植物による溶解・吸収機構について

  藤嶽 暢英

  特別研究員奨励費, 2010, Principal investigator

  Competitive research funding


• Research of characteristics of riverine suspended particles released by heavy rain and their effects on coastal ecosystem

  NAGAO Seiya, YAMAMOTO Masanobu, IRINO Tomohisa, HUJITAKE Nobuhide, ARAMAKI Takahumi

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), 2006 - 2008

  石狩川河川水の懸濁態有機物の放射性炭素のδΔ14C値は年間を通じて大きな変動を示し、雪融けと降雨時には古い有機物が移動していることが明らかとなった。その変動幅は下流域<中流域<河口域<上流域の順であり、河川に供給される懸濁態の有機物は、河川流域環境や水の供給経路等の特徴と関連して変動することが考えられる。これらの結果から、沿岸域への影響評価には、雪融けと降雨時の粒子の供給量と供給機構の重要性が示唆された。


• Process of formation, development and extinction of sclerotium grains from 14 C dating of sclerotium grain and humic acid

  WATANABE Makiko, FUJITAKE Nobuhide, MATSUZAKI Hiroyuki

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Tokyo Institute of Technology, 2005 - 2006

  Sclerotium grains, the resting structure of an ectomycorrhizal fungus, Cenococcum geophilum, were examined in this study to clarify the processes of formation, development and extinguishment of sclerotium grains in forest soils. AMS C<14> and δC^<13> were examined for sclerotium grains together with humic acids to, elucidate the characteristics of these grains distributed in forest soils. The C^<14> age of the grains remaining in surface A horizon was obtained as>ca 3, 000 years. The ages of humic acids extracts, including humic acid Pg, were slightly younger than sclerotium grains. The δC^<13> values for sclerotium grains in surface A horizons were smaller than those of humic acids and soils. As there was no relation with grain size and C^<14> ages, it was considered that the grains so called dead sclerotium do not develop their volume in soil. The carbon content of the grain had a tendency to decrease along with an increase of C^<14> ages, although carbon content of humic acid was constant against age. The C^<14> ages of sclerotium grains indicate the individual age of grain formation, while those of humic acid indicate the mean residue age of heterogeneous organic substances. The mean concentrations of major elements in sclerotium grains were quantitatively defined as C (47.6%), O (30.2%), H (3.32%), Al (1.4%), N (0.78%), and carbon in sclerotium grains took the form of large amounts of O-alkyl C, and was also associated with aromatic C and methyl C, which strongly showed a characteristically biological origin and completely different spectral features to humic acids from an allophonic Andosol. Therefore the low δC^<13> values for sclerotium grains are presumably originated by characteristically biological organics. Microbial analysis performed higher diversity of bacteria communities compared with soil environment. The AMS C^<14> age values obtained for sclerotium grains proved its stability and long life as a shelter for microorganisms, and preserve their diversity under a severe environment. Probably, microorganisms inside the grains are responsible for the extinguishment of the grain in terms of decreasing the content of carbon inside the grain. Although the findings we have are still very limited, the goal of the study is to understand further implications of sclerotium formation in a soil ecosystem, which will help us to learn what strategy is necessary for biota to survive a catastrophe.


• Construction of structural models comprehending diverse and poly-dispersed properties of humic substances

  FUJITAKE Nobuhide, SUZUKI Takeshi, KAWAHIGASHI Masayuki, YONEBAYASHI Koyo, YANAGI Yukiko

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Kobe University, 2005 - 2006, Principal investigator

  Humic substances are most predominant organic carbon on the surface layer of the earth, and are distributed ubiquitously on there. The objective of this study was to propose the visual and actual models of humic substances for enlightening their importance. Humic substances were analyzed from point of view of diversity and poly-dispersed properties. Results were described as follow: 1) A number of samples that were generated from various sources materials and/or different environmental condition were obtained, and the database were constructed from analytical data of carefully screened samples (83 from soils, 75 from rivers and lakes, 13 from soil solution, and 11 from manure etc.), by using NMR analysis, elemental analysis and HPSEC analysis. 2) Among soil humic acids from A horizons, their chemical properties differ among soil types. Among rivers and lakes humic substances, their chemical properties differ from colored water to clear water. For water-soluble humic substances in soils, their chemical properties were similar among samples from 0 horizons while were different among samples from A horizons. 3) The grouping model for humic substances was accomplished by the database as described above 1), and visual image of each group of humic substances were proposed on the basis of the grouping model. 4) On the basis of the grouping model for humic substances, typical humic acids from four types were selected and divided to 64 fractions by sequential extraction techniques and preparative HPSEC technique. As a results, the fraction samples reduced the poly-dispersed properties of humic substances were obtained. It was shown by the analytical data that changes of chemical properties with changes of their molecular sizes in each humic acid. 5) After taking every factor into consideration, the visual image comprehended diversity and poly-dispersed properties of humic substances were proposed.

  Competitive research funding


• Study on Accumulation and Transportation of Refractory Organic Materials in Terrestrial Area

  NAGAO Seiya, YAMAMOTO Masanobu, FUJITAKE Nobuhide, IRINO Tomohisa, KODAMA Hiroki

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), HOKKAIDO UNIVERSITY, 2003 - 2005

  An important part of global organic carbon cycle is the flux of terrestrial organic carbon from the continents to the oceans. The potential importance of coastal systems in global and regional organic budgets is still unclear because of the inherent complexity and variability of rivers, estuaries and coastal zones. Therefore, it is important to understand the organic matter cycling in estuaries and coastal systems, especially characteristics and dynamics of river DOM and POM. But the DOM and POM is not homogeneous in terms of size or chemical characteristics so that we can't evaluate the linkage of terrestrial and coastal environments. The objective of this study is to understand the transport behavior of dissolved and particulate organic matter from terrestrial region to ocean. This study used carbon isotopic ratios (Δ^<14>C and δ^<13>C values) as tracers of organic carbon because the simultaneous use of these values adds a second dimension to isotopic studies of carbon cycling in surface aquatic environments. Refractory organic materials, humic substances, were isolated from the river waters in Scotland, Ukraine, Japan and Indonesia by the XAD extraction. The Δ^<14>C values of dissolved humic substances ranged from -316‰ to +209‰, indicating spatial and temporal distribution. To understand transport of POM in river systems, we selected three river systems (Tokachi, Ishikari and Kuji River systems) with different watershed conditions and carried out the observation at a fixed point in each river. The Δ^<14>C values range from -111 to -286‰ for the Tokachi River in northeast Hokkaido, -103〜-364‰ for the Ishikari River in southeast Hokkaido and -18.7〜-94.4‰ for the Kuji River in Kanto area in Japan. The paired Δ^<14>C vs. δ^<13>C distributions vary with rivers and seasons. These results suggest that the difference in paired Δ^<14>C vs. δ^<13>C distributions may reflect the water discharge and watershed environments.


• 樹木―リター―土壌系における炭素の動態と固定に関する研究

  金澤 洋一

  科学研究費補助金／基盤研究(B), 2005

  Competitive research funding


• 腐植物質による環境の制御と修復

  宮島 徹, 長尾 誠也, 青山 正和, 渡辺 彰, 藤嶽 暢英, 田中 俊逸

  日本学術振興会, 科学研究費助成事業, 基盤研究(C), 佐賀大学, 2003 - 2003

  腐植物質は地球表層にに広く分布する難分解性有機高分子化合物であり、水圏および土壌圏における重要な環境制御因子である。生物遺体に由来し、化石燃料の前駆物質であると推定されでおり、有機態炭素としての存在量は、化石燃料に匹敵すると考えられている。しかしながら、腐植物質は多くの起源物質より無目的に生成することから、その生成・分解のメカニズム、および、詳細な構造や環境における挙動については全く不明であり、その機能を十分に活用するには至っていない。今回、集中的に腐植物質研究を行うことを目的として特定研究を立ち上げることを企画した。合計4回の会議(8月18日(札幌)、9月17日(神戸)、11月8日(京都)、および11月15日(佐賀))の後、平成16年度発足特定領域申請書(「腐植物質による環境の制御と修復」)を作成した。研究課題は、1)腐植物質の集積・分解過程の解明、2)腐植物質の養分供給の解明、3)腐植物質と環境汚染物質の動態、4)腐植物質の化学構造の解明とし、このために基礎から応用までの広範な分野からなる研究グループを構成した。 この研究母体は日本腐植物質学会であるが、本年度は、日本腐植物質学会第19回講演会(11月14,15日、佐賀)以外に、以下に示すシンポジウムを開催した。1)日本土壌肥料学会・陸域生態環境での土壌有機物成分の役割とその機能(8月22日、神奈川)、2)コロイドおよび界面化学討論会・土ー水環境における物質動態の基礎としてのコロイド界面(9月8日、徳島),3)日本水環境学会・日本腐植物質学会合同シンポジウム(9月18日、神戸)。いずれも、極めて活発かつ有益な討論がなされ、日本腐植物質学会の高い活性が明らかとなった。なお、学会誌刊行のための準備を平成15年度に開始した。


• メチル化法の利用による腐植酸の3次元構造解析

  藤嶽 暢英

  日本学術振興会, 科学研究費助成事業, 萌芽研究, 神戸大学, 2002 - 2003

  本研究は,腐植酸の溶解性をメチル誘導化法によって変化させ,3次元構造の研究体系を水系ではなく有機溶媒系で確立し,新規情報を取得することを目的とした。昨年度は腐植酸メチル誘導化法の確立とHPSEC分析に基づく腐植分子構造のユニット仮説(腐植酸分子には会合体形成の基本ユニットが存在し、水系では水素結合による会合体形成で見かけの分子量が大きくなる)を見出した。本年度はこのユニット説を裏付け,さらに詳細な情報を得るために,以下の研究を実施した。 (1)分取HPSEC法による腐植酸の分子サイズ別画分の調製法の確立:腐植酸の水系HPSECによる分取分画法について検討し、適切な溶媒、試料濃度等を最適化した。本法で分子サイズの異なる分画試料が極めて容易に得られることが判明し、腐植酸のHPSEC分取分画法の最適化の題で投稿準備中である。( (2)分子サイズ別腐植酸画分のメチル誘導体の解析:(1)で得た分子サイズの異なる分画試料のメチル誘導体を作製、非水系HPSEC分析に供した。その結果、80K、13K、6K画分の各メチル誘導体の分子サイズピークはほぼ同じ値(Mp2.3K)を示し、3K画分のみがMp1.4Kと大きく異なっていた。このことから腐植酸は少なくとも2つの分子サイズユニットで構成されることが見出された。腐植酸の2つの基本ユニットの題で(3)の成果とあわせて投稿準備中である。 (3)フルボ酸とそのメチル誘導体の解析:腐植酸と同様の解析法で比較的低分子のフルボ酸についても検証した。その結果、フルボ酸はMp1.4Kのユニットで構成されること、しかも腐植酸の3K 画分誘導体と一致することが判明したため、腐植酸は大きなユニットとフルボ酸に共通するユニットで成立している仮説を見出した。「2つのユニット」説を立証するためには、今後、腐植酸分画試料の誘導体を分取して構造解析する必要がある。


• Preparation of aquatic fulvic acid standard sample and preparation of those guarantee data

  YONEBAYASHI Koyo, NAGAO Seiya, YAMAMOTO Shuichi, MIYAJIMA Toru, KODAMA Hiroki, FUJITAKE Nobuhide

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Kyoto Prefectural University, 2001 - 2002

  "Humic substances" which exist in natural water are high molecular compounds chemically synthesized from degradation products of the plankton remains and organisms. Recently, the environmental pollution by hazardous organic compounds has been indicated. In aqueous environment, these noxious organic substances adsorb, distribute and are solubilized to the humic substances. It is important to examine the interaction between noxious organic substance and humic substances in order to study the dynamics of noxious organic substance in the environment. However, it is known that chemical property of humic substances in aqueous environment completely differ from all purchased humic substances, since it was extracted from the peat. As a representative aqueous environmental sample of Japan, Lake Biwa lake water was chosen, and aquatic fulvic acid standard sample was prepared at Kita-Komatsu lake shore station of the environmental standard point of Lake Biwa. The automatic concentration system for aquatic humic substances which consisted of giant column (φ50 cm, 20 Kg of DAX-8 resin), 3 kind connection filter columns (10,1.0,0.45μm), acid mixing column, and diaphragm pump was constructed. The pH of lake water was prepared under 2 with the automatic injection of hydrochloric acid into the filtered lake water. The humic substances were adsorbed on DAX-8 resin column by the elution of the lake water. We dealt with the lake water of about 300 tons in the period from middle October to early November 2001 and in the period from middle April to early May 2002. DAX8 resin which adsorbed the humic substances was brought back in the laboratory, the alkaline elution was done, the humic substance was recovered, and the fulvic acid was separated from humic acid as pH 1.2. By repeating and dissolving process which adsorbed to the small column again, the fulvic acid was refined, and Lake Biwa fulvic acid standard sample (2001 Autumn sample about 18 g, 2002 Spring sample : about 15 g) was obtained. Elemental analysis, functional group analysis (carboxyl group, phenolic group, carbonyl group, total hydroxyl group), ^<13>C-NMR and ^1H-NMR measurements, acid-base titration, molecular weight distribution measurement (HP-SEC), thermal decomposition mass spectrometric analysis, fluorescence analysis were carried out on the aquatic standard samples.


• Chronological sequence of humic acid Pg and its validity as environmental indicator

  WATANABE Makiko, FUJITAKE Nobuhide

  Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Tokyo Institute of Technology, 1998 - 2000

  The following four subjects were promoted in this project to evaluate the validity of hurmic acid Pg as an environmental indicator. 1) Morphological feature and chemical composition of sclerotia grains, the origin of Pg 2) Factors regulating the distribution of Pg fraction in surface soils 3) Chronological sequence of humic acid Pg in tephric and loessic paleosols 4) Difference of the composition of humic acid Pg in various humic acids Aluminum concentration was significantly recognized in the collected sclerotia grains, which are the origin of Pg, and the its development revealed to be regulated by the amount of exchangeable aluminum in soils. Moreover, it was clarified that the strength of Pg absorption in surface soils was regulated by the amount of exchangeable aluminum in soils. Based on these findings, it is suggested that Pg formation is promoted under leaching process in soil, or under cool and wet condition. According to the results obtained by examining the chronological sequence of tephra and loess paleosol in Japan and Germany, Pg revealed to remain in the buried humic layers aged 140-150 ka and showed a strong Pg absorption strength in buried tephra and loess paleosols aged 50-60 ka. The fluctuation of Pg, named as Pg signal/had a tendency to correspond to the fluctuation curve of past temperature obtained by MIOS. The study on composition of humic acid Pg using HPLC performed to separate Pg (humic acid green fraction) into 10 fractions by HPLC. The identification of Pg fraction formed in different environment can be discussed in-further studies.


• 土壌アントラキノンの錯体形成能-生理作用-分布特異性の因果関係

  藤嶽 暢英

  日本学術振興会, 科学研究費助成事業, 奨励研究(A), 神戸大学, 1998 - 1999

  土壌の特定部位に多量集積する微生物由来のアントラキノン「クリソタルニン」の分布特異性と,同化合物とアルミニウムの錯体形成による植物のアルミニウム障害軽減作用との因果関係を解明し,土壌-植物-微生物の相互作用を土壌の有機化合物の観点から見たモデルケースとして提唱することを目的に研究を実施し,2年間の研究期間を通じて以下の成果を得た。はじめに,クリソタルニンのアルミニウム錯体形成能の評価を行った。その結果,pH2.0〜2.5の範囲で同錯体の形成されやすいことが判明し,27Al-NMR測定によって,錯体中には4配位と6配位のアルミニウムが混在することがわかった。また,連続変化法によって,錯体における両者の混在比は7対3であることが判明した。以上の結果から,クリソタルニン-アルミニウム錯体は単純な規則構造物ではなく,複雑な高分子錯体であることがわかった。次いで,バイオアッセイを通じてクリソタルニンによる植物のアルミニウム障害軽減作用を検定した結果,アルミニウム障害(幼植物の根伸長阻害)はクリソタルニンの存在によって軽減されることが明らかになった。従って,アルミニウムイオンはクリソタルニンとの高分子錯体へと変化し,根吸収されにくくなるためにアルミニウム障害が軽減されると予想された。さらに,土壌断面内でのクリソタルニンおよびそのアルミニウム錯体の垂直分布を詳細に検討した結果,吸収根が密に分布する場所ではクリソタルニン総量が多く,同時に,それらの中では結合型(錯体型)割合の高いことが推定された。以上の結果から,アルミニウム障害を受けやすい吸収根の根圏において微生物がクリソタルニンを産出し,それによってアルミニウムイオンが根吸収されにくい状態になること,すなわち,植物-微生物間で何らかの共生システムが存在することが予想された。


• 誘導化処理の利用による土壌腐植酸誘導体の分離・分画法の開発とその化学構造解析

  藤嶽 暢英

  日本学術振興会, 科学研究費助成事業, 奨励研究(A), 神戸大学, 1995 - 1995

  腐植酸は、アルカリ溶液やごく一部の有機溶媒(DMSOやDMF)を除いた一般溶媒には不溶性であり、このことは腐植酸の分離・分画(精製)操作を制限し、化学構造解析をおこなう上での大きな障害となっている。そこで、本研究では腐植酸を予め誘導化(めちる化)処理し、溶解性等の性状を変化させた腐植酸(腐植酸誘導体)を作成し、その分離・分画法について検討した。 はじめに、4種類の腐植酸試料(P型、Rp型と2つのA型腐植酸)を用意し、ジアゾメタンによる部分メチル化処理、箱守法による完全メチル化処理を行い、得られた誘導化物の有機溶媒に対する溶解性について検討した。その結果、部分メチル化処理ではP型、Rp型腐植酸の誘導化物がクロロホルム-メタノール混液に可溶となるが、2つのA型腐植酸ではその効果が認められないこと、また、完全メチル処理ではP型、Rp型腐植酸は箱守法1回の処理でクロロホルム可溶となるが、2つのA型腐植酸では箱守法を2回繰り返し処理することではじめてクロロホルム可溶となることがわかった。従って、いずれの腐植酸もクロロホルム可溶とするためには箱守法を2回繰り返し処理する操作が必要であり、以後この操作で得られた腐植酸誘導体を試料として各種クロマトグラフィーに供した。分離分画法の検討の結果、シリカゲル、C_<18>逆相シリカゲル、ポリビニルアルコール系樹脂の担体をもちいた場合に有機溶媒系による分離分画操作が可能であることを見出した。また、以上の操作で得られた各画分について、これを分取してNMRに供試したところ、供試試料量が不十分なために詳細な構造情報を引き出すには至らなかったが、従来の腐植酸のスペクトルよりもはるかに多くの情報抽出が気体され、誘導化(メチル化)処理による腐植酸研究の妥当性が見出された。


• 土壌中の各種キノン系色素の分布特性とその支配要因に関する研究

  藤嶽 暢英

  日本学術振興会, 科学研究費助成事業, 奨励研究(A), 神戸大学, 1993 - 1993

  土壌中に存在するキノン系色素(アンスラキノン誘導体およびペリレンキノン誘導体)の分布は、土壌中の他の有機化合物の分布様式と異なることが指摘されている。しかし、各キノン系化合物の分布様式に規則性があるのか、規則性を支配する要因は何であるのかについては不明である。そこで、以下の研究を計画・実施したので得られた成果を報告する。 1.土壌で主要なアンスラキノン誘導体およびペリレンキノン誘導体の定量法の開発 まずはじめに定量法の開発を試みた。その結果、土壌のクロロホルム抽出液をTLCに供し、2ステップ展開法で展開した後にデンシトメトリーで分析することで、6種類のアンスラキノン誘導体が同時定量可能となることを見出した。この方法は極めて簡便で、かつ、広範囲な検出域をもつ画期的な方法であった。(この結果は現在投稿中)-方、ペリレンキノン誘導体については腐植抽出液をゲル担体を用いた遠心法で分画し低分子画分をジアゾメタンで処理した後に箱守法で完全メチル化を行い、これをFPLCに供することで初めて定量が可能となった。(この結果については現在投稿準備中) 2.土壌中のキノン系色素の分布特性の解明 1.で開発したアンスラキノン誘導体の定量法を用いて、黒色土20地点、褐色森林土18地点の表層土壌の試料についてアンスラキノン誘導体の分布特性を調べたが、規則性は見られなかった。しかしながら、土壌断面内の垂直分布をみると、6種の化合物が表層集積型と次表層集積型の2つのタイプに大別できることを見出した。(この結果は現在投稿中)-方、ペリレンキノン誘導体についてはアンスラキノン誘導体の定量法とくらべて多段階の操作が必要なため、処理したサンプル数が少なく現在データを構築中である。