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Comparison of Fish Fauna in Lake Ganwol and Lake Bunam Watersheds  

Lee, Chung-Lyul (Department of Biology, Kunsan National University)
Jeon, Byung-Il (Department of Biology, Kunsan National University)
Publication Information
Korean Journal of Ecology and Environment / v.43, no.2, 2010 , pp. 175-182 More about this Journal
Abstract
From April to October 2008, fish fauna was surveyed at 25 sites in Lake Ganwol and Lake Bunam watersheds. There were 32 species of 25 genera and 10 families belonging to 5 orders. Among them, Zacco platypus (relative abundance was 28.0%) was dominant, followed by Hemiculter eigenmanni (24.3%), Carassius auratus (19.3%), and Pseudorasbora parva (10.8%). In comparison of specific frequency in fish community between two lakes, Z. platypus (36.6%) was dominant and P. parva (15.7%) subdominant in Lake Ganwol, whereas H. eigenmanni (35.2%) and C. auratus (30.4%) were dominant in Lake Bunam. Eight species including Acheilognathus chankaensis were known to be Korean endemic species, and exotic species was Micropterus salmodes. Biological indices of fish community indicated mostly similar values in 25 sites. Specific similarities of fish community in the sites were largely divided into two groups: a group of the Waryong Stream and the Dodang Stream where water flows throughout the year, and the other group of watersheds at Lake Ganwol and Lake Bunam where water was static. Fish fauna and structure of fish communities have some differences between Lake Ganwol and Lake Bunam watersheds, and also can be distinguished to the environmental factors of habitats in same watershed.
Keywords
Fish-fauna; Lake Ganwol; Lake Bunam;
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