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KMID : 0613820100200091378
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Journal of Life Science
2010 Volume.20 No. 9 p.1378 ~ p.1384
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Heavy Metal Contents in Tissues of Fishes in Andong and Imha Reservoirs
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Shin Myung-Ja
Park Young-Mi
Lee Jong-Eun
Seo Eul-Won
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Abstract
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The present study aimed to investigate the effect of heavy metal contamination in the aquatic environment on the fishes (Opsariichthys bidens, Cyprinus carpio, Hemiculter eigenmanni and Culter brevicauda) inhabiting Andong and Imha reservoirs by comparing and analyzing the heavy metal contents accumulated in their tissues. Heavy metal contents were shown to be higher in the Andong reservoir than in the Imha reservoir. Accumulated heavy metals, Cr, Cu and Pb, were detected in tissues and bone tissues, but Cd was also found in the kidneys. Zn content was the highest among accumulated metals, whereas Cu content was the lowest in all tissues from the fishes in the Andong and Imha reservoirs. However, the amount of Cr in the tissues showed a twofold higher level in the Andong reservoir than that in Imha reservoir. The heavy metal contents of fish inhabiting the Andong reservoir were detected to be higher than those in the Imha reservoir. We also proposed that heavy metal contamination in water and its inhabiting fish is attributed to various heavy metals derived from water and sediments in the water environment of the Andong reservoir.
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KEYWORD
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Heavy metal, fishes, tissues, Andong reservoir, Imha reservoir
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