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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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 1989-03, Vol.42 (3), p.359-366
Main Authors: Dyer, S.D, Coats, J.R, Bradbury, S.P, Atchison, G.J, Clark, J.M
Format: Article
Language:English
Subjects:
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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Summary: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