THE EFFECTS OF METALS ON MOLLUSC FILTERING RATES
- 1 January 1981
- journal article
- research article
- Published by Taylor & Francis in Transactions of the Royal Society of South Africa
- Vol. 44 (3) , 441-451
- https://doi.org/10.1080/00359198109520587
Abstract
The filtering rates of Crassostrea gigas, Crassostrea margaritacea, Perna perna and Choromytilus meridionalis have been determined by measuring the removal of neutral red particles from a known concentration of neutral red suspension in a given time. The effects of copper, zinc, cadmium and lead on these filtering rates have been investigated and of these metals, copper was found to be the most toxic to both oysters and mussels. The effective concentrations are compared with the results of conventional lethal toxicity tests.Keywords
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