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Hydrobiological Journal
SJR: 0.217 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v50.i1.60
pages 72-80

Radiation Dose Formation in Freshwater Fishes at the Embryonic Stage of Their Development

Ye. N. Volkova
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
V. V. Beliayev
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
A. A. Parkhomenko
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine
S. P. Prishlyak
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine

RESUMO

The peculiarities of radiation dose formation were studied in freshwater fishes at the embryonic stage of their development. In this case, β- and γ -irradiation of 137Cs and β-irradiation of 90Sr were determined in the water, bottom sediments, and higher aquatic plants. In addition, β-irradiation of the incorporated radionuclide was also determined. Fish embryos occurring on different substrata and at different temperatures were investigated. It has been found that the dose rate of fish embryos of the Kiev Reservoir accounts for 183−8000 nG/day. The principle of ecological standardization of radionuclide contamination of bottom sediments of fresh water bodies was put forward on the basis of the performed calculations.

Palavras-chave: fish embryos, dose rate, 90Sr, I37Cs.

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