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An orthogonal design method was used for examining the responses of Daphnia carinata to 16 combination mixtures of copper, cadmium, zinc, nitrogen and phosphorus in synthetic solutions. Phototaxis index (I p ), mobilization inhibition percentage (MIP) and mortality percentage (MP) were used as test endpoints for toxicity assessment. The results show that Cu and Cd were the dominant toxicants...
Investigation was made to compare some biological characteristics relevant to ecotoxicity testing among six cladoceran species, including Daphnia magna, Daphnia carinata, Daphnia pulex, Ceriodaphnia quadrangular, Bosmina longirostris, and Simocephalus vetulus. The results show that D. carinata had advantages over other cladoceran species for being used as a test organism, particularly for ecotoxicological...
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