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Hydrobiological Journal
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN Print: 0018-8166
ISSN Online: 1943-5991

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

ABSTRACT

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.


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