Distribution and accumulation of organotin species in seawater, sediments and organisms collected from a Taiwan mariculture area |
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| Authors: | Liu Li-Lian Wang Jih-Terng Chung Kuo-Nan Leu Ming-Yih Meng Pei-Jie |
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| Institution: | Institute of Marine Biology and Asia-Pacific Ocean Research Center, Kuroshio Research Group, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan. |
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| Abstract: | The present study was undertaken to evaluate the distribution and accumulation of tributyltin (TBT) and triphenyltin (TPhT) in seawater, sediments and selected organisms from a cage mariculture area in southern Taiwan, Hsiao Liouchiou Island. Our results show that ΣOTs were found in concentrations as high as 196 ng/L in seawater collected from the sites in Pai-Sa harbor, and up 1040 ng/g dry wt. in sediments dredged from sites within Da-Fu harbor. Also, ΣOTs concentrations of 859 ng/g dry wt. were observed in the liver of cobia (Rachycentron canadum) from mariculture cages. As most published studies have focused on the acute toxicity and bioaccumulation of organotins in mussels, the effects of organotins on cobia and other marine fauna are still poorly understood. This study highlights the significance of ΣBTs accumulation in cobia, as well as in the sediments and seawater surrounding their culture facilities. |
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