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Chitobiase is involved in exoskeleton degradation and recycling during the moulting process in arthropods. In aquatic species, the moulting fluid is released into the aqueous environment, and(More)
The present study was undertaken to assess the impact of a candidate mosquito larvicide, spinosad (8, 17 and 33 microg L(-1)) on a field population of Daphnia magna under natural variations of water(More)
To optimize their efficacy, some insecticides used for mosquito control are introduced into aquatic ecosystems where mosquito larvae develop (marshes, ponds, sanitation devices) and cannot escape(More)
Because exposure to toxicants not only results in mortality but also in multiple sublethal effects, the use of life-table data appears particularly suitable to assess global effects on exposed(More)