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A seven-day life cycle cladoceran toxicity test

Authors

  • D. I. Mount,

    1. U.S. Environmental Protection Agency Environmental Research Laboratory-Duluth Duluth, Minnesota 55804
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  • T. J. Norberg

    Corresponding author
    1. U.S. Environmental Protection Agency Environmental Research Laboratory-Duluth Duluth, Minnesota 55804
    • U.S. Environmental Protection Agency Environmental Research Laboratory-Duluth Duluth, Minnesota 55804
    Search for more papers by this author

Abstract

A three-brood life cycle test for Ceriodaphnia reticulata, using renewal techniques, that can be completed in 7 d is described. The test is convenient when samples to be tested are limited in volume or when time is especially important, such as in on-site effluent testing. The cladoceran C. reticulata is easily cultured and is not bothered by handling; control survival in tests has not been a problem.

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