Archives → 2021 → V. 61. №1. → pp. 79–86
Article
Accumulation of Long-lived Radionuclides by the Marsh Frog in the Cooling Pond of the Beloyarsky NPP
M. Ya. Chebotina, V. P. Guseva, and D. L. Berzin
Institute of Plant and Animal Ecology, Ural Branch of Russian Academy of Sciences, Yekaterinburg, Russia
Abstract
The study of the accumulation of anthropogenic radionuclides 90Sr, 134Cs, 137Cs in the lake frog of the Beloyarsky reservoir and the reference water body (Reftinsky reservoir) was carried out. A considerable variability of indices of individual concentrations of radionuclides in adult amphibians of the studied water bodies was established (90Sr – more than 30 times, 137Cs – by several orders of magnitude). An anomalously high contamination of 134Cs and 137Cs of one frog from the industrial channel of the Beloyarsky reservoir was detected, which could be the result of contact of an animal with a radioactive environment in the area of the nuclear plant. It is shown that at present, as a result of the operation of 2 fast-neutron power units, there is no mass contamination of the amphibians living in the Beloyarsky reservoir with radionuclides 90Sr and 137Cs.
Keywords
lake frog, Beloyarsky reservoir, nuclear power plant, Reftinsky reservoir, 90Sr and 137Cs radionuclides, hydrobionts, concentrations
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