초록

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Abstract ▼ AI-Helper

Population of small mammals (Apodemus agrarius and Crocidura lasiura) was monitored to identify the bioaccumulation of heavy metals in Gumho river basin around Daegu city. The small mammals were captured during 28 of May~12 of June, 2002. The techniques of live-trapping and snap-trapping were applie...

Population of small mammals (Apodemus agrarius and Crocidura lasiura) was monitored to identify the bioaccumulation of heavy metals in Gumho river basin around Daegu city. The small mammals were captured during 28 of May~12 of June, 2002. The techniques of live-trapping and snap-trapping were applied to capture the animals. A total of 39 animals were captured among which 53.3% (16130) of population were reached to breeding. Heavy metals (Cu, Pb, Zn, Cd) were analyzed. According to the analysis of heavy metal elements, Zn was more accumulated in kidney (6.83 mg $kg^{-1}$) than in liver (3.66). However, the accumulation of Cu was higher in liver than in kidney. Even though this site was relatively away from major industrial zones, heavy metals were wide spread along the stream of Gumbo River. This is the first quantitative study of small mammal bioaccumulation of heavy metals in Korea so that further research should be followed in other industrial areas that heavy metals were widely dispersed.

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