Abstract
We examined the bioaccumulation of α- and β-endosulfan and endosulfan sulfate in tissues from the crab Zilchiopsis collastinensis. There was more endosulfan accumulated in the hepatopancreas (from <2 to 467.8 ng g−1) than in the gonads (from <2 to 52.1 ng g−1) or muscles (<2 ng g−1). The endosulfan concentrations in the hepatopancreas decreased over time and with the endosulfan dilution (p < 0.05). In the gonads there was little bioaccumulation, which did not vary over time (p > 0.05). The hepatopancreas is a dynamic organ that is able to depurate itself, whereas the gonads act as a sink for pesticides.
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Acknowledgments
The authors wish to thank Lic. Silvina Adonna for her valuable assistance. This study was supported by grant CAI + D PI 69-352 (Universidad Nacional del Litoral).
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Negro, C.L., Senkman, L.E., Vierling, J. et al. Bioaccumulation in Freshwater Crabs. Endosulfan Accumulation in Different Tissues of Zilchiopsis collastinensis P. (Decapoda: Trichodactylidae). Bull Environ Contam Toxicol 89, 1000–1003 (2012). https://doi.org/10.1007/s00128-012-0812-7
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DOI: https://doi.org/10.1007/s00128-012-0812-7