Abstract
Daphnia magna, initially exposed when less than 48 h old, were maintained at reduced dissolved oxygen (DO) concentrations for 26 days. Exposure was accomplished in a continuous flow recirculating water system. Number of days to first brood, number of young in the first brood, total number of young produced, and dry weight were parameters measured. Statistical analyses show the Daphnia exposed to the lowest DO concentration tested (1.8 mg l−1) had significantly reduced responses for all parameters measured. In addition, the organisms exposed to 2.7 mg l−1 O2 gained less weight than did the controls.
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Homer, D.H., Waller, W.T. Chronic effects of reduced dissolved oxygen on Daphnia magna . Water Air Soil Pollut 20, 23–28 (1983). https://doi.org/10.1007/BF00279493
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DOI: https://doi.org/10.1007/BF00279493