2002 Fiscal Year Final Research Report Summary
Response of Mongol-Selenge River-L.Baikal watershed to the global environmental changes.
| Project/Area Number |
12575033
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 海外学術 |
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| Research Field |
Environmental dynamic analysis
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| Research Institution | Research Institute for Humanity and Nature (2001-2002)
Kyoto University (2000) |
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Principal Investigator |
WADA Eitaro Research Institute for Humanity and Natures, Research Dept., Prof., 研究部, 教授 (40013578)
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| Co-Investigator(Kenkyū-buntansha) |
YOSHIOKA Takahito Research Institute for Humanity and Natures, Research Dept., Associate Professor, 研究部, 助教授 (50202396)
NAKANISHI Masami Research Institute for Humanity and Natures, Research Dept., Prof., 研究部, 教授 (60025434)
FUJITA Noboru Kyoto Univ., Center for Ecological Research, Assistant Prof., 生態学研究センター, 助手 (50093307)
MIYASAKA Hitoshi Ehime Univ., COE Post doctoral Researcher, 沿岸環境科学研究センター, COE研究員
KOHZU Ayato Kyoto Univ., Center for Ecological Research, Post doctoral Fellow, 生態学研究センター, 学振特別研究員
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| Project Period (FY) |
2000 – 2002
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| Keywords | Serenge River / Lake Baikal / Stable isotope / Mongol grassland / Isotope ecology / Food web / Nutrient cycle / Isotopically ordered world |
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| Research Abstract |
The stable isotope structure(^<15>N-^<13>C map) was summarized for the ecosystems involving Mongol grassland and the Selenge - Lake Baikal watershed. The map could provide a baseline for the changes of above ecosystems under the future environmental changes with emphasis on global warming, drying and overgrazing.
Cyclings of nitrogen and phosphorus were also studied with emphasis on the uploading of these nutrient by the grazing.
Food-web structures of the pelagic and estuarine ecosystems in Lake Baikal were clarified on the L^<15>N-L^<13>C isotope map. The important roles of Ice-algae were demonstrated for the estuarine ecosystems.
It was emphasized that Lake Baikal could be called as ‘Isotopically ordered natural laboratory'. These results were published in the book : DIWPA Series 4.
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[Journal Article] Nutritional diagnosis of phytoplankton in Lake Baikal.2002
Author(s)
Genkai-Kato, M., Sekino, T., Yoshida, T., Miyasaka, H., Khodzher, T.V., Belykh, O.A., Melnik, N.G., Kawabata, Z., Higashi, M., Nakanishi, M.
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Journal Title
Ecological Research 17
Pages: 135-142
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Distribution of dissolved organic carbon in Lake Baikal and its watershed.2002
Author(s)
Yoshioka, T., Ueda, S., Khodzher, T., Bashenkhaeva, N., Korovyakova, Irina, Sorokovikova, L., Gorbunova, L.
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Journal Title
Limnology 3
Pages: 159-168
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Carbon and nitrogen isotope studies of pelagic ecosystems and environmental fluctuations of Lake Baikal.2000
Author(s)
Ogawa, N., Yoshii, K., Melnik, N.G., Bondarenko, N.A., Timoshkin, O.A., Smirnova-Zalumi, N.S., Smirnov, V.V., Wada, E.
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Journal Title
Lake Baikal (Elsevier. Science B.V. The Netherlands.)(ed. Minoura, K.) 24(1)
Pages: 262-272
Description
「研究成果報告書概要(和文)」より
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[Journal Article] Carbon and nitrogen isotope studies of pelagic ecosystems and environmental fluctuations of Lake Baikal.2000
Author(s)
Ogawa, N., Yoshii, K., Melnik, N.G., Bondarenko, N.A., Timoshkin, O.A., Smirnova-Zalumi, N.S., Smirnov, V.V., Wada, E.
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Journal Title
In: Lake Baikal (ed.Minoura, K.)(Elsevier. Science B.V. The Netherlands) 24(1)
Pages: 262-272
Description
「研究成果報告書概要(欧文)」より
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