Gamma activity as a guide for the building raw materials selection and controlling the environmental hazards
Âderna Fìzika ta Energetika(2012)
摘要
Results of the specific activity of 90Sr and 137Cs estimation at the indigenous representatives of fish fauna in water bodies of the Chernobyl exclusion zone are presented during 2006 - 2011. The data of species specificity of radionuclide accumulation and distributing in different organs and tissues of pray and predatory fishes in water bodies with different hydrological regime and level of radioactive contamination are analyzed. The size, weight and age dynamics of radionuclide accumulation in fish are evaluated. It is note, that presently 90Sr is main dose-formed radionuclide for fishes of stagnant water bodies of the Chernobyl exclusion zone.
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关键词
Chernobyl exclusion zone,freshwater ecosystems,fishes,radioactive contamination,specific activity,dose rate,90Sr,137Cs
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