Effects of metal salt mixtures on Daphnia magna reproduction

Three binary metal experiments were conducted using a “complete block design”; testing the chlorides of Cd, Hg, and Zn individually and in combinations of CdHg, CdZn, and ZnHg on Daphnia magna reproduction. These mixtures were tested at one-half, once, and twice the 16% reproductive impairment co...

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Veröffentlicht in:	Ecotoxicol. Environ. Saf.; (United States) 1986-02, Vol.11 (1), p.9-14
Hauptverfasser:	Biesinger, K.E., Christensen, G.M., Fiandt, J.T.
Format:	Artikel
Sprache:	eng
Schlagworte:	560304 - Chemicals Metabolism & Toxicology- Invertebrates- (-1987) Animal, plant and microbial ecology ANIMALS Applied ecology AQUATIC ORGANISMS ARTHROPODS Biological and medical sciences BRANCHIOPODS CADMIUM Cadmium - toxicity CHLORIDES CHLORINE COMPOUNDS CRUSTACEANS DAPHNIA Daphnia - drug effects Daphnia - physiology Drug Interactions Ecotoxicology, biological effects of pollution ELEMENTS Fresh water environment Fundamental and applied biological sciences. Psychology HALIDES HALOGEN COMPOUNDS Hydrogen-Ion Concentration INVERTEBRATES MERCURY Mercury - toxicity METALS Metals - toxicity RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT REPRODUCTION Reproduction - drug effects TOXICITY Water Pollutants - toxicity Water Pollutants, Chemical - toxicity ZINC Zinc - toxicity
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Beschreibung
Zusammenfassung:	Three binary metal experiments were conducted using a “complete block design”; testing the chlorides of Cd, Hg, and Zn individually and in combinations of CdHg, CdZn, and ZnHg on Daphnia magna reproduction. These mixtures were tested at one-half, once, and twice the 16% reproductive impairment concentration previously determined for individual metals. The CdHg, CdZn, and ZnHg mixtures all showed significant reductions in reproduction at concentrations where the metal salts alone caused no significant effect.
ISSN:	0147-6513 1090-2414
DOI:	10.1016/0147-6513(86)90024-2