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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimer: 0018-8166
ISSN En ligne: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v35.i2.90
pages 117-130

Accumulation of Radionuclides by Communities of Periphytic Algae in the Cooling Pond of the Chernobyl NPP (8 years after the accident)

T. F. Shevchenko
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine

RÉSUMÉ

Study of periphytic algae vegetating in the cooling pond of the Chernobyl NPP and investigation of their role in the processes of radionuclide accumulation have been carried out for the first time after the accident. In 1994, Cs-137, Cs-134, Eu-154, Co-60, Mn-54, Sr-90 were registered in periphytic algae. Total radioactivity of periphytic algae varied from 78275 to 662866 Bq/kg of dry weight. Algal periphyton is one of the most important accumulators of radionuclides. The concentration factors for Cs-137 calculated for the algal periphyton ranged from 33470 to 327313, the concentration factors for Sr-90 varied from 8.6 to 24858.