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

ISSN Imprimir: 0018-8166
ISSN En Línea: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v37.i4.90
8 pages

The Role of Some Invertebrates in Radionuclide Migration through the "Bottom Sediments - Water Column" Phase Division (Interphase)

I. V. Pan'kov
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
V. A. Maksimovich
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine
T. P. Prityka
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine

SINOPSIS

The model slowly flowing media contained the native silt from the 30-km zone of the Chemobyl Nuclear Power Plant (NPP). There were compared the intensities of washing out Cs-137 from the media where Limnodrilus hoffmeisteri and Chironomus plumosus were introduced. At 12-18°C, one gram of oligochaetes effects in 0.46 Bq and the same mass of chironomids affords 1.24 Bq of Cs-137 released into the water during 24 hours. Using the removal coefficient proposed by the authors, it was calculated that more than 5% of Cs-137 contained in the water of the Kiev Reservoir might be determined by vital activities of oligochaetes and more than 1% of that - by chironomid larvae.


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