Title |
Joint toxicity of cadmium and SDBS on Daphnia magna and Danio rerio
|
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Published in |
Ecotoxicology, October 2016
|
DOI | 10.1007/s10646-016-1701-3 |
Pubmed ID | |
Authors |
Ying Zhang, Jing Ma, Liu Shi, Di Cao, Xie Quan |
Abstract |
Information on joint toxicity is limited. To clarify the joint toxicity and the interactions among toxicants on different aquatic organisms, we investigated the acute toxicity of cadmium and sodium dodecyl benzene sulfonate, two chemicals with high concerns in Chinese waters, on the immobilization of Daphnia magna (D. magna) and the swimming behavior of Danio rerio (D. rerio). Our results illustrated that cadmium and sodium dodecyl benzene sulfonate expressed a synergistic effect on the immobilization of D. magna; and an antagonistic effect on the swimming speed D. rerio, but a synergistic effect on its vertical position in the water column. Based on the observed data, we found the independent action model was more appropriate than the concentration addition model in the prediction of their joint toxicity. Our results gave an example of the joint toxicity investigation, and aided to comprehensive the toxicity action mode of chemical mixtures. |
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