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Distribution Characteristics of DEHA, Carbaryl, and Amitrole in the Fishes and Amphibians from the Major River Systems of Korea
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.2, pp.149-156
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(2002). Distribution Characteristics of DEHA, Carbaryl, and Amitrole in the Fishes and Amphibians from the Major River Systems of Korea. Analytical Science and Technology, 15(2), 149-156.
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Abstract
In this study, the levels of DEHA, carbaryl, and amitrole contained in the fresh water fishes and amphibians were determined. The 31 sampling sites were selected including 29 sites along the several rivers and 2 sites from the well-known wet lands. The rivers consists of the Han, Nakdong, Kum, Youngsan, and other small scaled rivers. DEHA was detected from 10 sites, but carbaryl and amitrole were not detected at any sites. The highest average concentration of DEHA was determined from the Kum River by <TEX>$52.7{\mu}g/kg$</TEX>. In the detected 10 sites, the average concentration of DEHA from fishes was <TEX>$40.0{\mu}g/kg$</TEX>, and that from amphibians was <TEX>$8.90{\mu}g/kg$</TEX> which indicates that 5 times more DEHA was observed from fishes than amphibians. The detection frequency from fishes was 10/62 while that from amphibians was 2/62, and the highest concentration from fishes was <TEX>$95.5{\mu}g/kg$</TEX> (crucians from Kongjoo) and that from amphibians was <TEX>$12.1{\mu}g/kg$</TEX> (bullfrog from Najoo). Among the 10 detected sites, 6 sites were agricultural area and the other 4 sites were semi-urban area.
- keywords
- DEHA, carbayl, amitrole, fishes, amphibians
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