Effects of salinty and temperature on the acute toxicity of cadmium to the estuarine crab Paragrapsus gaimardii (Milne Edwards)
- 1 January 1977
- journal article
- research article
- Published by CSIRO Publishing in Marine and Freshwater Research
- Vol. 28 (6) , 739-743
- https://doi.org/10.1071/mf9770739
Abstract
In static acute toxicity tests on the crab P. gaimardii the cadmium chloride concentrations fatal to 50% of the test animals over 96 h were determined for temperatures of 5 and 19�C and salinities of 8.6,17.5,26.3 and 34.6‰. The LC50 values ranged from 15.7 to 101.9 mg Cd2+/1. The mortality was greater at the higher temperature but at both temperatures a decrease in salinity caused an increase in the lethality of cadmium for the crabs.Keywords
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