Acute and chronic toxicity of malathion to the freshwater cladoceran Moina macrocopa |
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| Authors: | C K Wong K H Chu F F Shum |
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| Institution: | 1. Department of Biology & The Centre for Environmental Studies, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong
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| Abstract: | The acute and chronic effects of the organophosphate insecticide malathion on the cladoceran Moina macrocopa were studied. The 24, 48 and 72 h LC50 values for malathion were between 5.00 and 10.00 μg L?1. Survival, longevity and the number of young produced by the population were affected by exposure to 0.01 μg L?1 or higher concentrations. Exposure to malathion had no effect on the age of first reproduction. |
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