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発表 Research on ecological functions of flood for mammals inhabiting along a river terrace and the surrounded area

作成年度 2012 年度
論文名 Research on ecological functions of flood for mammals inhabiting along a river terrace and the surrounded area
論文名(和訳) (出水が河川周辺域に生息する陸上哺乳類に果たす生態的機能に関する研究)
論文副題
発表会 第18回 IAHRアジア環太平洋会議
誌名 Proceedings of IAHR APD
巻・号・回
発表年月日 2012/08/01
所属研究室/機関名 著者名(英名)
河川生態チーム傳田正利、三輪準二、岩本俊孝
河川生態チーム三輪準二
宮崎大学岩本俊孝
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抄録
We tracked the behavior of a weasel for about a month, using an automated wild animal tracking system that assimilates data from radio-tracked animals. The results showed that the home range of the weasel was about 25 ha, and we identified the spatial habitat preferences of the weasel, which mainly utilized open areas (i.e., fields and gardens) and avoided areas of high-density vegetation. Furthermore, we reconstructed flooding conditions by using a 2D hydro-simulation, and analyzed the relationships among floods, vegetation communities, and wild mammal behavior. The results showed that there was a strong connection among flooding, vegetation community structure, and animal habitat use. These results present a new and important insight into river ecosystem conservation.
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