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New Evaluation of Selenium: Mercury Ratios in Fish and Crabs from an Impacted Tropical Estuary, Southeastern Brazil

Author

Listed:
  • Alice Bosco Santos
  • Wanilson Luiz Silva

    (Department of Geology and Natural Resources, University of Campinas, USA)

Abstract

Large variations in the Se:Hg molar ratios and their high elemental concentrations in different tissues from fish and crabs species was observed and deserves attention due to potential risky for wildlife. The results suggested that Se protection against Hg toxicity decrease as the size of specimen’s increases and that the protective effect has a close relation with diet and grow pattern, notably for fish. This study showed that although strictly carnivorous eating habits may easily lead to Hg bioaccumulation, some species can present highest concentration of the contaminant in a less sensitive tissue, in terms of minimize adverse toxic effects..

Suggested Citation

  • Alice Bosco Santos & Wanilson Luiz Silva, 2017. "New Evaluation of Selenium: Mercury Ratios in Fish and Crabs from an Impacted Tropical Estuary, Southeastern Brazil," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 2(3), pages 90-93, May.
    • Handle: RePEc:adp:ijesnr:v:2:y:2017:i:3:p:90-93
    DOI: 10.19080/IJESNR.2017.02.555588
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    References listed on IDEAS

    as
    1. Sophia Barinova, 2017. "On the Classification of Water Quality from an Ecological Point of View," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 2(2), pages 38-45, March.
    2. Sophia Barinova, 2017. "How to Align and Unify the Cell Counting of Organisms for Bioindication," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 2(2), pages 70-72, April.
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    More about this item

    Keywords

    earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals ; juniper publishers reivew;
    All these keywords.

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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