227 116 116 3 3 Weimin Ying M. Ahsanullah G. E. Batley Australian Nuclear Science and Technology Organisation Private Mail Bag 1 2234 Menai New South Wales Australia CSIRO Division of Coal and Energy Technology Centre for Advanced Analytical Chemistry Private Mail Bag 7 2234 Menai New South Wales Australia Abstract The gastropod Polinices sordidus was collected from an uncontaminated area in Quibray Bay, New South Wales, Australia, in 1990. The snails were exposed for 2 wk to polluted sediments collected from Port Kembla Harbour, Blackwattle Bay, Lake Illawarra, Lake Macquarie in New South Wales, Australia, and the Derwent River in Tasmania, Australia. Metal accumulation and regulation by this species were evaluated. Metal concentrations in snail tissues and total, EDTA and HCl-extractable metals in the sediments were compared. Copper concentrations were extremely varied in snails exposed to the same sediment. This was not the case for other matals tested. No accumulation of copper was found in snails exposed to different sediments. There was no zinc accumulation from sediments containing less then 10 mg Zn/g. P. sordidus could accumulate lead, manganese and iron from some of the sediments. Manganese concentrations in the snail tissues correlated with total, HCl-extractable and, more significantly, EDTA-extractable Mn in the sediments. P. sordidus was not considered to be a good bioindicator of copper and zinc contaimination in sediments; however, this species could be used as an indicator of lead and manganese contamination.
Marine Biology – Springer Journals
Published: Jul 1, 1993
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