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Hydrobiological Journal

年間 6 号発行

ISSN 印刷: 0018-8166

ISSN オンライン: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

Indexed in

Assessment of Cuproxyl Toxicity by the Method of Bioassay Using Cladocera

巻 37, 発行 6, 2001, 7 pages
DOI: 10.1615/HydrobJ.v37.i6.20
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要約

The toxicity of cuproxyl containing 10% CuSO4Ч5H2O, 10% aerosyl sorbent, and 80% water was studied by the method of bioassay using Daphnia magna Straus and Ceriodaphnia affinis Lilljeborg. The median lethal concentrations determined based on the results of acute experiments were 7.67 mg/L for Daphnia magna and 6.25 mg/L for Ceriodaphnia affinis. The toxicity threshold decreased with increasing the duration of exposure. The chronic lethal concentration of cuproxyl for Ceriodaphnia affinis (5 mg/L) caused the inhibition of reproduction of the test population in the third (III) and fourth (IV) generations. Under the action of sublethal concentrations of curpoxyl of 0.5 mg/L, 1.0 mg/L, and 2.5 mg/L the fecundity of Ceriodaphnia affinis decreased by 76.8%, 64.7%, and 58.0%, respectively.

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