alexa Interspecific variation in heavy metal body concentrations in Hong Kong marine invertebrates.
Agri and Aquaculture

Agri and Aquaculture

Journal of Aquaculture Research & Development

Author(s): Blackmore G

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Abstract Accumulated body concentrations of cadmium, copper and zinc were investigated in 19 species of intertidal invertebrates (the barnacles Tetraclita squamosa, Capitulum mitella, Balanus amphitrite, Megabalanus volcano, the bivalves Saccostrea cucullata, Septifer virgatus and Brachidontes atratus, the chiton Acanthopleura japonica and the gastropods Cellana grata, Cellana toreuma, Patelloida saccharina, Patelloida pygmaea, Siphonaria japonica, Tegula argyrostoma, Lunella coronata, Monodonta labio, Nerita albicilla, Thais clavigera and Thais luteostoma) collected from a relatively unpolluted area in Hong Kong, i.e. two shores within the Cape d'Aguilar Marine Reserve. In general body metal concentrations could be explained by the accumulation strategy of the analysed organism and by physiological requirements for the essential metals, i.e. copper and zinc. Zinc concentrations were, therefore, greatest in the barnacles and the oyster S. cucullata. Copper concentrations were greatest in those gastropods containing the respiratory pigment haemocyanin and in S. cucullata. One species collected from the sheltered shore, i.e. T. luteostoma, had much higher copper body concentrations compared with exposed shore conspecifics and this may be attributed to a diet that was dominated by oysters, which have high copper body concentrations. In contrast to both copper and zinc, cadmium body concentrations showed little interspecific variation.
This article was published in Environ Pollut and referenced in Journal of Aquaculture Research & Development

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