Toxicity of manganese to Ceriodaphnia dubia and Hyalella azteca

Manganese is a toxic element frequently overlooked when assessing toxicity of effluents, sediments, and pore waters. Manganese can be present at toxic levels in anoxic solutions due to increased solubility under chemically reducing conditions, and it can remain at those levels for days in aerated te...

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Veröffentlicht in:	Archives of environmental contamination and toxicology 2000-04, Vol.38 (3), p.298-304
Hauptverfasser:	LASIER, P. J, WINGER, P. V, BOGENRIEDER, K. J
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal, plant and microbial ecology Animals Applied ecology Biological and medical sciences Crustacea - physiology Dose-Response Relationship, Drug Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on protozoa and invertebrates Freshwater organisms Fundamental and applied biological sciences. Psychology Lethal Dose 50 Manganese Manganese - adverse effects Toxicity Toxicity testing Water hardness Water Pollutants, Chemical - toxicity Water softening
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Beschreibung
Zusammenfassung:	Manganese is a toxic element frequently overlooked when assessing toxicity of effluents, sediments, and pore waters. Manganese can be present at toxic levels in anoxic solutions due to increased solubility under chemically reducing conditions, and it can remain at those levels for days in aerated test waters due to slow precipitation kinetics. Ceriodaphnia dubia and Hyalella azteca are freshwater organisms often used for toxicity testing and recommended for assessments of effluents and pore waters. Lethal and reproductive-inhibition concentrations of Mn were determined for C. dubia in acute 48-h tests and chronic three-brood tests using animals
ISSN:	0090-4341 1432-0703
DOI:	10.1007/s002449910039