RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2005, Vol. 14 >> Issue (3): 362-366.

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BIOACCUMULATION OF HEAVY METALS IN ANODONTA WOODIANAFROM WULIHU AREA OF TAIHU LAKE

YANG Jian(1), WANG Hui(2), ZHU Hong-yu(2), GONG Xiao-qing(3), YU Rui-peng(3)   

  • Received:2004-05-24 Revised:2004-12-16 Online:2005-05-20
  • Contact: YANG Jian

Abstract: Concentration of Zn, Cu, Pb, As and Cd was determined based on the analysis of water, sediment and Anodonta woodiana samples, which were collected from representative sites in Wulihu area of Taihu Lake between February and March 2003. Although the range of all metals studied in water samples did not exceed the National Water Quality Standard for Fisheries (GB 11607－89), relatively obvious contamination of Pb, and in particular Zn and As were found by the range in the samples of sediments and Anodonta woodiana. It is feasible to monitor and assess the contamination status of heavy metals studied by means of Anodonta woodiana as a bioindicator of “Mussel Watch”. It is suggested that Wulihu area of Taihu Lake is unsuitable for fishery. The residual contents of Pb, Cd and especially Zn, As in this edible mussel may be deleterious to the health of consumers.

Key words: Wulihu area of Taihu Lake, heavy metal, Anodonta woodiana, sediment, bioaccumulation

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