Acute and chronic toxicity of endosulfan to two Australian cladocerans and their applicability in deriving water quality criteria

The acute and chronic toxicity of the insecticide endosulfan to 2 Australian cladocerans, Ceriodaphnia dubia and Moinodaphnia macleayi was investigated. Exposure concentrations of endosulfan used were 50-1000 ug per litre in the 24 and 48-h acute toxicity tests and 10-160 ug per litre in the 14-d ch...

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Bibliographic Details
Published in:Archives of environmental contamination and toxicology 1994-11, Vol.27 (4), p.541-545
Main Authors: Sunderam, R.I.M. (NSW, Environment Protection Authority, Grove Hill, NSW, Australia), Thompson, G.B, Chapman, J.C, Cheng, D.M.H
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
CALIDAD DEL AGUA
CERIODAPHNIA DUBIA
CLADOCERA
Ecotoxicology, biological effects of pollution
EFECTOS SECUNDARIOS
Effects of pollution and side effects of pesticides on protozoa and invertebrates
EFFET SECONDAIRE
ENDOSULFAN
Freshwater
Fundamental and applied biological sciences. Psychology
Moinodaphnia macleayi
MORTALIDAD
MORTALITE
MORTALITY
NONTARGET EFFECTS
NONTARGET ORGANISMS
QUALITE DE L'EAU
REPRODUCCION
REPRODUCTION
SIDE EFFECTS
SUPERVIVENCIA
SURVIE
SURVIVAL
TOXICIDAD
TOXICITE
TOXICITY
WATER QUALITY
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Summary:The acute and chronic toxicity of the insecticide endosulfan to 2 Australian cladocerans, Ceriodaphnia dubia and Moinodaphnia macleayi was investigated. Exposure concentrations of endosulfan used were 50-1000 ug per litre in the 24 and 48-h acute toxicity tests and 10-160 ug per litre in the 14-d chronic toxicity test. The 24-h and 48-h EC50 (immobilization) values were 890 and 491 ug per litre for C. dubia, respectively, and 515 and 215 ug per litre for M. macleayi. The chronic 14-d EC50 (reproduction) value was 29 ug per litre to M. macleayi and 26 ug per litre for C. dubia. The corresponding 14-d EC50 values for survival were 112 and 66 ug per litre, respectively. Methods for deriving water quality guidelines are described. A concentration of 4 ng endosulfan per litre was recommended for an Australian water guideline. This was below the present Australian figure of 10 ng per litre.
ISSN:0090-4341
1432-0703
DOI:10.1007/BF00214847