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Stream Health Assessments on Tributaries of Lake Paldang Using Index of Biological Integrity for Fish Community and Physical Habitat Parameters  

Choi, Myung-Jae (Han River Environment Research Center, National Institute of Environmental Research)
Park, Hae-Kyung (Han River Environment Research Center, National Institute of Environmental Research)
Lee, Jang-Ho (Han River Environment Research Center, National Institute of Environmental Research)
Yun, Seok-Hwan (Han River Environment Research Center, National Institute of Environmental Research)
Publication Information
Korean Journal of Ecology and Environment / v.42, no.3, 2009 , pp. 280-289 More about this Journal
Abstract
The fish communities and physical habitat conditions of fifteen tributaries of Lake Paldang in spring and autumn, 2008 were surveyed to evaluate the ecological health of the streams. The total 2,746 individuals were collected belonging to 11 families 31 genera 40 species. Two new species (Cottus koreanus, Gnathopogon strigaus) that have never been reported as yet in Lake Paldang watershed were found for the first time. The most dominant species in the tributaries was Acheilognathus yamatsutae (19.9%) which is Korean endemic species. Ecological health evaluation of fifteen tributaries using index of biological integrity (IBI) model for fish community and qualitative habitat evaluation index (QHEI) was performed. According th the IBI analysis, four streams (Siwoo-Stream, Jojong-Stream, Moonho-Stream and Mugab-Stream) were evaluated as "good" condition (B grade), Woosan-Stream were "poor" condition (D grade) and others were "fair" condition (C grade). Qualitative habitat evaluation index values of the four streams were the grade "II" indicating "good" condition and those of eleven streams were the grade "III", indicating 'fair' condition. On the whole, dataset of IBI and QHEI showed that ecological health of Jojong-Stream has been well maintained compared to other tributaries of Lake Paldang.
Keywords
fish; index of biological integrity; qualitative habitat evaluation index; lake Paldang; tributaries;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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