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  1. Non-linear radionuclide transfer from the aquatic environment to fish.

    Article - En anglais

    Uptake of 226Ra, 232Th, 230Th, and 228Th from water, sediment, and diet sources to bone and muscle of white suckers (Catostomus commersoni) was studied in sixteen lakes in the uranium-mining district of Ontario, Canada.

    Fish tissues did not increase linearly with environmental concentrations.

    The best relationship appears to be a power function.

    This has implications for the accuracy of radiological dose and risk estimates for uranium mining impacts, which are often based on a linear model.

    Mots-clés Pascal : Thorium, Radium, Produit radioisotopique, Pollution eau, Sédiment lacustre, Radiocontamination, Pisces, Vertebrata, Mine, Uranium, Etats Unis, Amérique du Nord, Amérique, Modélisation, Facteur risque, Homme, Chaîne alimentaire

    Mots-clés Pascal anglais : Thorium, Radium, Radiopharmaceuticals, Water pollution, Lake sediments, Radioactive contamination, Pisces, Vertebrata, Mine, Uranium, United States, North America, America, Modeling, Risk factor, Human, Trophic chain

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0471093

    Code Inist : 002B30A02A. Création : 03/02/1998.