Water, Air, and Soil Pollution

, Volume 84, Issue 3–4, pp 399–405 | Cite as

Acute and chronic toxicity of malathion to the freshwater cladoceran Moina macrocopa

  • C. K. Wong
  • K. H. Chu
  • F. F. Shum


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.


Toxicity Malathion Chronic Toxicity Chronic Effect Organophosphate Insecticide 
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Copyright information

© Kluwer Academic Publishers 1995

Authors and Affiliations

  • C. K. Wong
    • 1
  • K. H. Chu
    • 1
  • F. F. Shum
    • 1
  1. 1.Department of Biology & The Centre for Environmental StudiesThe Chinese University of Hong KongShatin, N. T.Hong Kong

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