An Efficiency Analysis of a Nature-Like Fishway for Freshwater Fish Ascending a Large Korean River
AbstractUsing traps and passive integrated transponder (PIT) telemetry, we investigated the effectiveness of the nature-like fishway installed at Sangju Weir on the Nakdong River, Korea. In 11 regular checks over the study period, 1474 individuals classified into 19 species belonging to 5 families were collected by the traps, representing 66% of the species inhabiting the main channel of the Nakdong River. PIT tags were applied to 1615 individuals belonging to 22 species, revealing fishway attraction and passing rates of 20.7% and 14.5%, respectively. Interspecific differences were also shown. For 63.2% of fishes, it took more than a day to pass through the fishway. Some individuals spent a longer time (>28 days) inside the fishway, suggesting the fishway was also being used for purposes other than passage. In this study, we verified species diversity of fish using a nature-like fishway installed in a large river in Korea. The results of this study provide a useful contribution to the development of fishways suitable for fish species endemic to Korea and for non-salmonid fish species worldwide. View Full-Text
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Kim, J.-H.; Yoon, J.-D.; Baek, S.-H.; Park, S.-H.; Lee, J.-W.; Lee, J.-A.; Jang, M.-H. An Efficiency Analysis of a Nature-Like Fishway for Freshwater Fish Ascending a Large Korean River. Water 2016, 8, 3.
Kim J-H, Yoon J-D, Baek S-H, Park S-H, Lee J-W, Lee J-A, Jang M-H. An Efficiency Analysis of a Nature-Like Fishway for Freshwater Fish Ascending a Large Korean River. Water. 2016; 8(1):3.Chicago/Turabian Style
Kim, Jeong-Hui; Yoon, Ju-Duk; Baek, Seung-Ho; Park, Sang-Hyeon; Lee, Jin-Woong; Lee, Jae-An; Jang, Min-Ho. 2016. "An Efficiency Analysis of a Nature-Like Fishway for Freshwater Fish Ascending a Large Korean River." Water 8, no. 1: 3.
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