Journal
ENVIRONMENTAL MONITORING AND ASSESSMENT
Volume 174, Issue 1-4, Pages 509-516Publisher
SPRINGER
DOI: 10.1007/s10661-010-1474-8
Keywords
Heterocypris incongruens; LC50; EC50; Heavy metals; Microbiotests; Ecotoxicity
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The sensitivity of Heterocypris incongruens to selected heavy metal ions is discussed. Although the Ostracodtoxkit (R) has been present on the market for a few years, data on its selectivity and sensitivity to toxicants is scarce; such data is indispensable when interpreting the results of sediment toxicity. The LC50 and EC50 results with the Ostracodtoxkit (R) are compared with those obtained with other commercially available direct-contact tests (utilizing Hyalella azteca and Chironomus riparius) and microbiotests for assessing the toxicity of aqueous samples (Vibrio fischeri, Daphnia magna, and Selenastrum capricornatum). The sensitivity of H. incongruens to metal ions (Cd2 + > > Hg2 + > Cu2 + > Cr6 + > Ni2 + a parts per thousand Mn7 + > Zn2 + > Pb2 + > Li1 + > Fe3 + ) was found to be similar to that of H. azteca and of C. riparius. The Ostracodtoxkit (R) has shown itself to be an efficient and reliable element of test batteries for toxicity determination.
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