Effects of water hardness and salinity on the acute toxicity and uptake of fenvalerate by bluegill (Lepomis macrochirus)

The influence of water hardness (6, 36, 156 and 309 mg calcium carbonate per litre) and salinity (12.5, 25, 33 and 40 per thousand) on the acute toxicity of the pyrethroid insecticide fenvalerate to bluegill were studied. Fenvalerate was the least toxic in the softest water (6 mg calcium carbonate p...

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Veröffentlicht in:	Bulletin of environmental contamination and toxicology 1989-03, Vol.42 (3), p.359-366
Hauptverfasser:	Dyer, S.D, Coats, J.R, Bradbury, S.P, Atchison, G.J, Clark, J.M
Format:	Artikel
Sprache:	eng
Schlagworte:	AGUA Animals Biological and medical sciences CONTAMINACION DEL AGUA CONTENIDO MINERAL EAU FISHES Fresh Water - analysis Freshwater INSECTICIDAS INSECTICIDE INSECTICIDES Insecticides - analysis Insecticides - metabolism Insecticides - toxicity Lepomis macrochirus Lethal Dose 50 Medical sciences MINERAL CONTENT Nitriles PECES Perciformes - physiology Pesticide Residues - analysis Pesticides, fertilizers and other agrochemicals toxicology PIRETRINAS POISSON (ANIMAL) POLLUTION DE L'EAU PYRETHRINE PYRETHRINS Pyrethrins - analysis Pyrethrins - metabolism Pyrethrins - toxicity RESIDU RESIDUES RESIDUOS SALINIDAD SALINITE SALINITY Sodium Chloride - analysis TENEUR EN ELEMENTS MINERAUX Time Factors TOXICIDAD TOXICITE TOXICITY Toxicology TRANSLOCACION TRANSLOCATION WATER Water - analysis WATER POLLUTION
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Zusammenfassung:	The influence of water hardness (6, 36, 156 and 309 mg calcium carbonate per litre) and salinity (12.5, 25, 33 and 40 per thousand) on the acute toxicity of the pyrethroid insecticide fenvalerate to bluegill were studied. Fenvalerate was the least toxic in the softest water (6 mg calcium carbonate per litre). Uptake was not affected by hardness. Toxicity increased with salinity possibly due to lower levels of osmoregulatory enzymes present and their inhibition by fenvalerate.
ISSN:	0007-4861 1432-0800
DOI:	10.1007/BF01699961