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KMID : 0385520100230050492
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Analytical Science & Technology
2010 Volume.23 No. 5 p.492 ~ p.497
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Study on mercury concentrations of freshwater fish from Lake An-dong and its upper stream
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Byeon Myeong-Seop
Lee Jae-Yoon
Park Jin-Ju
Shin Sun-Kyoung
Han Jin-Seok
Kim Young-Hee
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Abstract
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In this study, mercury concentrations in freshwater fish from Lake An-dong basin were investigated and were compared with the results of the national freshwater fish monitoring survey. The mercury concentrations of fish from Lake An-dong were in the range of 37~611 ng/g and Korean piscivorous chub, the top predator showed the highest average mercury concentrations, 198±97 ng/g. Most of fish caught from upstream of Lake An-dong were herbivorous and omnivorous, and goby minnow and pale chub showed relatively lower mercury concentrations of 21±16 ng/g and 33±24 ng/g, respectively. Especially, mercury concentrations of long nosed barbel and largemouth bass caught from Lake An-dong were found to be higher than those of the average of the national survey monitoring data.
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KEYWORD
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Mercury, freshwater fish, Lake An-dong, bioaccumulation
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