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http://dx.doi.org/10.17820/eri.2021.8.1.009

Calculation (Computation) of Habitat Suitability Index for Swimming Fish Species Living in Miho Stream in Geum River Water System  

Hur, Jun Wook (Aquaculture and Aquatic Science Major, Kunsan National University)
Kim, Kyung Hoon (Bio-Monitoring Center)
Lee, Jong Jin (Bio-Monitoring Center)
Publication Information
Ecology and Resilient Infrastructure / v.8, no.1, 2021 , pp. 9-21 More about this Journal
Abstract
In this study, fish and flow surveys were conducted at 12 survey points to calculate the fish habitat suitability index of Miho Stream in the Geum River Water System. The field surveys were conducted four times from September 2019 to May 2020. The results show the presence of 8 families, 37 species, and 5,754 individuals. The number of water purification species that preferred waters with a low flow rate was the highest. The habitat suitability index was calculated according to the Washington Department of Fish and Wildlife method based on the populations collected at various water depths and flow rate sections and the flow rate survey results. For the dominant species, Zacco platypus and swimming species, the results were compared by calculating at Gasan Bridge and Palgye Bridge at the upper stream. The single species showed no significant difference between the upstream and downstream at water depths of 0.1 - 0.5 m and flow rates of 0.2 - 0.5 m/s. The species swimming ability was similarly calculated at water depths of 0.2 - 0.5 m and flow rates of 0.2 - 0.5 m/s. The dominant species, Pyramid, had a wide range of physical habitats. The habitat suitability index between the swimming species was similarly calculated. These results can be effectively used as basic data for calculating the environmental ecological flow rate and establishing a river restoration plan of the Miho Stream.
Keywords
Environmental ecological flow; Geumgang water system; Habitat suitability index; Miho stream;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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