2012 Fiscal Year Final Research Report
Determining factor of species richness in river based on species-area relation
| Project/Area Number |
23770033
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Ecology/Environment
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| Research Institution | Fukuoka Institute of Health and Environmental Sciences |
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Principal Investigator |
NAKAJIMA Jun 福岡県保健環境研究所, その他部局等, 研究員 (40584074)
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| Project Period (FY) |
2011 – 2012
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| Keywords | 種数-面積関係 / 生物多様性 / 純淡水魚 / 水生甲虫 / イシガイ目二枚貝 / ドジョウ科 / ヒメドロムシ科 |
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| Research Abstract |
The purpose of this study is to reveal the determining factor of species richness in river based on species-area relation. I described one new species and two new subspecies of spined loach (Cypriniformes, Cobitidae, Cobitis) and one new species of elmid beetle (Coleoptera, Elmidae, Sinonychus) from northern Kyushu, Japan. As a result, I decided the species number of genuine freshwater fish, water beetle, and freshwater mussel in 40 river systems. Now I am continuing to analyze about the relationships between species number and river scale or some environmental structure.
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