Effects of Chlorpyrifos and Endosulfan on Different Life Stages of the Freshwater Burrowing Crab Zilchiopsis collastinensis P.: Protective Role of Chorion

Effects of Chlorpyrifos and Endosulfan on Different Life Stages of the Freshwater Burrowing Crab Zilchiopsis collastinensis P.: Protective Role of Chorion

The lethality (LC 50 ) of endosulfan and chlorpyrifos is higher in adults (1990 and 156.78 μg/L respectively) than in embryos (95380 and 1242.54 μg/L respectively) of the crab Zilchiopsis collastinensis . The thickened embryonic coat of the freshwater species might isolate the embryo inside the egg,...

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Veröffentlicht in:Bulletin of environmental contamination and toxicology 2014-06, Vol.92 (6), p.625-630
Hauptverfasser: Negro, C. L., Senkman, L. E., Marino, F., Lorenzatti, E., Collins, P.
Format: Artikel
Sprache:eng
Schlagworte:
Acute toxicity
Animal, plant and microbial ecology
Animals
Applied ecology
Aquatic Pollution
Biological and medical sciences
Brachyura - physiology
Chlorpyrifos
Chlorpyrifos - toxicity
Chorion - drug effects
Chorion - physiology
Crustaceans
Decapoda
Earth and Environmental Science
Ecotoxicology
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on protozoa and invertebrates
Embryology: invertebrates and vertebrates. Teratology
Embryos
Endosulfan
Endosulfan - toxicity
Environment
Environmental Chemistry
Environmental Health
Fresh Water
Freshwater
Fundamental and applied biological sciences. Psychology
Hatching
Insecticides - toxicity
Life Cycle Stages - drug effects
Offspring
Pesticides
Pollution
Soil Science & Conservation
Teratology. Teratogens
Toxicity
Toxicity Tests
Waste Water Technology
Water Management
Water Pollutants, Chemical - toxicity
Water pollution
Water Pollution Control
Zilchiopsis
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Zusammenfassung:The lethality (LC 50 ) of endosulfan and chlorpyrifos is higher in adults (1990 and 156.78 μg/L respectively) than in embryos (95380 and 1242.54 μg/L respectively) of the crab Zilchiopsis collastinensis . The thickened embryonic coat of the freshwater species might isolate the embryo inside the egg, reducing the toxicity. Sublethal concentrations of chlorpyrifos and endosulfan caused an increase in hatching time and a decrease in effective hatching ( p  
ISSN:0007-4861
1432-0800
DOI:10.1007/s00128-014-1239-0