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Patricks Voua Otomo, Sophie A. Reinecke and Adriaan J. Reinecke Combined effects of metal contamination and temperature on the potworm Enchytraeus doerjesi (Oligochaeta) Journal of Applied Toxicology 33

Version of Record online: 10 OCT 2012 | DOI: 10.1002/jat.2820

The separate effects of Cd and Zn were studied on Enchytraeus doerjesi at 15, 20 and 25 °C. Cd LC50/EC50 generally decreased with increasing temperature. Zn LC50/EC50 consistently increased with increasing temperature. This indicates that Cd toxicity to E. doerjesi increases with increasing temperature while Zn toxicity decreases. Increasing temperature may have differential effects on metal toxicity depending on the biological importance of the metal and the endpoints of interest. Further research on more ecologically relevant metal mixtures is needed.

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