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KMID : 0613820070170081104
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Journal of Life Science
2007 Volume.17 No. 8 p.1104 ~ p.1110
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The Influence of Muddy Water in Imha Reservoir on the Ichthyofauna and Fish Growth
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Han Seung-Cheol
Lee Hak-Young
Seo Eul-Won
Sim Jae-Won
Lee Jong-Eun
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Abstract
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The number of investigated fish collected from the Andong and the Imha reservoir were 2,540 individuals 20 species belonging to 7 families, 850 individuals 11 species belonging to 4 families respectively from May 2005 to March 2006. The total number of the co㎜on 3 species individuals investigated caught from the Andong reservoir and the Imha reservoir were 486 individuals and 124 individuals respectively. The investigated individuals is similar(±2.5 ㎜) to 171 individuals make a comparative study. The Opsariichthys uncirostris, Culter brevicauda, Hemiculter eigenmanni of length-weight relationship were TW = 0.000007TL3.0543, TW = 0.0000009TL3.3654, TW = 0.000001TL3.3872 in the Andong reservoir and TW = 0.00002TL2.8493, TW = 0.00001TL2.8744, TW = 0.000004TL3.1082 in the Imha reservoir respectively. The Condition factor(K) of the Andong reservoir showed the positive slopes in all three species and to be in a good nutrition condition; where as the condition factor(K) of the Imha reservoir showed the negative slopes in two species except in H. eigenmanni and appeared to be in a little bad nutrition condition. Relative conditon factor(Kn) indicating that O. uncirostris and C. brevicauda in Andong reservoir is more rotund than ones of Imha reservoir but H. eigenmanni in the Imha reservoir is more rotund than the ones of the Andong reservoir.
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KEYWORD
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Fish, relationship, condition factor
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