2005 Fiscal Year Final Research Report Summary
Research on material, water, and money flow in Lake Suwa-Tenryu River Area
| Project/Area Number |
14208070
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
環境保全
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| Research Institution | Shinshu University |
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Principal Investigator |
TODA Hideshige Shinshu University, Faculty of Science, Professor, 理学部, 教授 (60291382)
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| Co-Investigator(Kenkyū-buntansha) |
OKINO Tokio Waseda Univ., Faculty of Human Science, Professor, 人間科学部, 特任教授 (50020681)
SUZUKI Keisuke Shinshu Univ., Faculty of Science, Professor, 理学部, 教授 (60145662)
MOGI Shintaro Shinshu Univ., Institute of Innovation Management, Professor, 経済・社会政策科学研究科, 教授 (10283227)
FUJII Tsuneo Shinshu Univ., Faculty of Engineer, Professor, 工学部, 教授 (10092892)
TSUCHIDA Katsuyoshi Shinshu Univ., Faculty of Agriculture, Professor, 農学部, 教授 (70089093)
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| Project Period (FY) |
2002 – 2005
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| Keywords | Lake Suwa / Tenryu River / Material Cycling / Water Cycling / Ecotoxic Chemical Substances / Environmental Consensus / Industrial Analysis / Ecological Succession |
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| Research Abstract |
Economical analysis group analyzed two examples of pioneering projects on environmental community business : business model on newspaper recycling in Fukuoka and business model on recycling of cooking oil in Akita. The former model is an experiment in constructing a community system for coexistence, and the latter one is a trial for constructing energy cycling in a local area in accordance with the benefit of venture companies, which are legally less restricted than public enterprises.
Social system group analyzed the development of local communities in Suwa-Tenryu Area by using statistical data and remote sensing techniques (LANDSAT TM). The toll road of "Venus Line", which was constructed 30 years ago, caused development of tourism and increase in gross income, and destruction of grassland and increase in trash and excreta accompanying with the increase of tourists. In addition to the administrative measures, NPO and citizens' cooperation are important for those overuse problems.
Natural survey group continued an analysis of material cycling in a branch of the Tenryu River, studied groundwater nitrate pollution along the main channel of the river, and conducted a survey on the size distribution of coastal sands at the mouth of the river. A new quantitative measurement of silicate in river water was established. Photosynthetic pigments and algae composition were analyzed for the sediment cores collected from Lake Suwa. TBT was also analyzed for surface sediment of the entire lake. Emerging time of a chironomid was greatly affected by waterr temperature, and their number showed a decreasing trend in recent years in Lake Suwa.
Engineering group analyzed adsorption properties of benzaldehyde on allophane, improved purification systems for toxic substances by using wood chips, and developed a simulation model of groundwater pollution by nitrate.
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Research Products
(46 results)
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[Journal Article] Sphingosinicella microcystinivorans gen. nov., sp. nov., a microcystin-degrading bacterium2006
Author(s)
Maruyama, T., Ho-Dong Park, Kazuhiko Ozawa, Yoshinori Tanaka, Sumino Tatsuo, Koei Hamana, Akira Hiraishi, Kenji Kato
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Journal Title
Int. J. Syst. Evol. Microbiol. 56
Pages: 85-89
Description
「研究成果報告書概要(和文)」より
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