- Volume 23 Issue 8
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Fish Passage Assessments in the Fishway of Juksan Weir Constructed in the Downstream Area of Youngsan-River Watershed
영산강수계의 죽산보에 설치된 어도에서 어류의 이동성 평가
- Received : 2014.07.03
- Accepted : 2014.08.18
- Published : 2014.08.29
Fish passage asssessments were conducted in the fishway at Juksan Weir, which was constructed as a four-major rivers project in the downstream area of Youngsan-River Watershed. For the research, fish-movements/migrations were analyzed for seven times from April ~ October, 2013 using an approach of fish trap-setting. Fish fauna and compositions were analyzed in the fishway, and seasonal- and diel-movement patterns were analyzed in relation to current velocity in the fishway. Also, abundances of exotic fishes such as bluegill sunfish (Lepomis macrochirus), large-mouth bass (Micropterus salmoides), and white curcian carp (Carassius cuvieri) were monitored in the fishway. Current velocity(n = 18) in the fishway showed large variations (
Distribution;Fish community;Juksan Weir;Weir construction
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Grant : 어도의 효율성 평가 및 개선방안
Supported by : 영산강.섬진강 수계관리위원회