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- 저자 : 林官圭 (검색결과 1 건)
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崔炯一,林官圭 조선대학교 환경연구소 1988 環境公害硏究 Vol.5 No.-
This study was carried out to investigate the heavy metal content of freshwater fishes which were collected at 7 areas located on Youngsan river from march to april in 1988. The results obtained were as follows : 1. Generally mean value of heavy metal contents of fishes collected on lower and upper parts of Youngsan river were higher than those of middle parts. 2. The highest percent of water in edible portion of samples was 81.5% in cyprinus carpio, the lowest was 74.7% in Pseudogobio esocinus, and. the other samples were 75.3% to 78.0. 3. In the cadmiuum contents, the highest value was 14.67 ppb in Carassius auratus and the value at Dongmal ferry area was higher than those at other parts on Youngsan river. 4. In the lead contents, the highest was 0.236 ppm in carassius auratus and that in Zacco platypus was the lowest 0.112 ppm, 5. In the copper contents, the highest value was 2.007ppm in Carassius auratus and the contents of fishes of fishes of dongmal ferry was higher than those of any other area. 6. In the chromium contents, the highest was 1.102ppm in carassius auratus and that in zacco playpus was the lowest 0.887 ppm. The contents of samples of Dongmal ferry area was also higher than those of other area. 7. Accumulation of heavy metals in freshwater fishes intended to increase with growth.
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