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http://dx.doi.org/10.11626/KJEB.2017.35.4.684

Study on the Evaluation of Ecological Health by using Fish Communities in the Wonju Stream, Korea  

Park, Hyun Kyung (Department of Biological Science, College of Science & Engineering, Sangji University)
Choi, Jun Kil (Department of Biological Science, College of Science & Engineering, Sangji University)
Won, Kyung Ho (Wonju City Hall)
Lee, Hwang Goo (Department of Biological Science, College of Science & Engineering, Sangji University)
Publication Information
Korean Journal of Environmental Biology / v.35, no.4, 2017 , pp. 684-693 More about this Journal
Abstract
The purpose of this study was to analyze fish communities in the Wonju stream located in Wonju-si in Gangwon-do, and to evaluate the health of the stream through past and present changes. We performed investigations four times from May 2015 to September 2016. In the survey, 5,201 individuals which belonged to 27 species and 9 families were collected. Zacco platypus was the dominant species and Pungtungia herziwas the subdominant species. Eight Korean endemic species (Acanthorhodeus gracilis, Zacco koreanus, Coreoleuciscus splendidus, Squalidus gracilis majimae, Microphysogobio yaluensis, Iksookimia koreensis, Koreocobitis rotundicaudata, Coreoperca herzi) were observed and showed a ratio of 16.54%. The fish community of dominance ($0.72{\pm}0.10$), diversity ($1.37{\pm}0.32$), evenness ($0.61{\pm}0.13$), and richness ($1.70{\pm}0.23$) were evaluated. According to our analysis of tolerance guilds, the total individual number of intermediate species was higher than the sensitive and tolerant species. As a result of the trophic guild analysis,the omnivore and insectivore species were relatively high. The value of the qualitative habitat evaluation index (QHEI) in the wonju stream was averaged 121.2 (${\pm}23.4$), indicating a suboptimal condition. Stream health showed that the fish assessment index (FAI) value was an A to C grade in the Wonju stream. A correlation coefficient analysis with FAI and various factors was analysed statistically, and had a high correlation in QHEI, with the omnivore species, insectivore species, intermediate species, sensitive species, dominance, diversity, evenness, and richness.
Keywords
Wonju stream; fish community; QHEI; FAI;
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Times Cited By KSCI : 6  (Citation Analysis)
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