Distribution and accumulation of organotin species in seawater, sediments and organisms collected from a Taiwan mariculture area
2011
Liu, Li-Lian | Wang, Jih-Terng | Chung, Kuo-Nan | Leu, Ming-Yih | Meng, Pei-Jie
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 196ng/L in seawater collected from the sites in Pai-Sa harbor, and up 1040ng/g dry wt. in sediments dredged from sites within Da-Fu harbor. Also, ΣOTs concentrations of 859ng/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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