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| Efficiency analysis of two different type fish passages installed at Sejong and Gongju weir in Geum River, Korea |
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학술지명 Japanese Society of Limnoligy
저자 김동섭,윤주덕,장민호
발표일 2013-08-23
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Nowadays, for the effective use of water resources many artificial structures like dams and weirs have been constructed in streams and rivers. The problem is these kinds of structures normally lead a fragmentation, thus, reduce longitudinal connectivity of streams and rivers. To overcome blockage of migration and movement of aquatic organisms by obstacles, fish passage is commonly installed. However, limited studies were conducted about efficiency, even though fish passage is essentially required for fish migration. In this study, to estimate efficiency of fish passages, we monitored Ice-harbor and nature-like type fish passages installed in Gongju and Sejong weir in Geum River, respectively using PIT telemetry and traps. |
