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Article: New findings reported from R. Manar and co-authors describe advances in environmental chemistry.
- Article from:
- Ecology, Environment & Conservation
- Article date:
- October 16, 2009
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"Acute and chronic toxicity of high-grade chlordane (98%) and bioaccumulation were investigated in Daphnia magna at water soluble concentrations obtained without cosolvent. The measured effective concentrations immobilizing 50% of the microcrustacea (95% confidence interval) were 22.6 (19.7-26.1) mu g/L at 24 h and 13.4 (11.3-15.8) mu g/L at 48 h. This indicated an increase of chlordane toxicity with time of exposure as confirmed in chronic studies," scientists in Metz, France report.
"After 21 d of exposure, significant effects on survival were recorded at a chlordane concentration greater than 2.9 mu g/L, whereas reproduction (number of offspring per adult, ...