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KMID : 0613820070170070937
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Journal of Life Science
2007 Volume.17 No. 7 p.937 ~ p.943
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Fish Fauna and Weight-Length Relationships for 9 Fish Species in Andong Reservoir
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Han Seung-Cheol
Lee Hak-Young
Seo Eul-Won
Lee Jong-Eun
Sim Jae-Won
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Abstract
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The fish fauna and weight-length relationship in Andong reservoir were investigated from May 2005 to March 2006. During surveyed period, 2,540 individuals 20 species belonging to 7 families were collected. Dominant species were Hemibarbus labeo(19.6%) and sub-dominant species were Carassius cuvieri (19.2%). The korea endemic species were Hemiculter eigenmanni,(7.1%), Squalidus chankaensis tsuchigae (0.1%), Coreoperca herzi (0.1%) and introduced fishes were Carassius cuvieri (19.21%) Lepomis macrochirus (4.2%), Micropterus salmoides (0.2%). Dominace, species diversity, species richness, species evenness were 0.39, 3.16, 2.42, 0.73 respectively. The values of the exponent b in the weight-length relationship W=aLb ranged from 2.9162(H. labeo, R²=0.9567) to 3.2509(Zacco platypus, R²=0.9928) and the median value was 3.1079, whereas 50% of the values ranged between about 3.05 to 3.20. The Condition factor(K) showed good state of health in the surveyed species (excepts H. labeo and Cyprinus carpio).
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KEYWORD
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Fish, relationship, condition factor
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