2017 Fiscal Year Final Research Report
Estimation with high spatio-temporal resolution on abundance of stream fish using environmental DNA analysis
| Project/Area Number |
16K14313
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Hydraulic engineering
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| Research Institution | Yamaguchi University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
高原 輝彦 島根大学, 生物資源科学部, 助教 (10536048)
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| Project Period (FY) |
2016-04-01 – 2018-03-31
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| Keywords | 環境DNA / アユ / カワムツ / バイオマス |
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| Outline of Final Research Achievements |
In this study, we conducted three experiments using fish and simulation of dynamics of eDNA. They showed that (1) the amount of released eDNA were higher in slow velocity than fast velocity and eDNA concentration and biomass have a strong positive correlation in a running water, (2) the influence distance of eDNA in stream was between 1000m and 2000m, (3) excrement settles faster than mucus in static water and (4) the flow model showed that the distance of all particles containing eDNA settling was shorter than real stream.
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| Free Research Field |
河川工学
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