Volume 44, Number 5, 2009ECORAD 2008 - Radioecology and Environmental Radioactivity
|Page(s)||305 - 309|
|Published online||06 June 2009|
Doses with α-particles of plutonium anthropogenic radioisotopes to the Black Sea hydrobionts
The A.O. Kovalevsky Institute of Biology of the Southern Seas (IBSS), NAS Ukraine, Prospekt Nakhimova 2, Sevastopol 99011, Ukraine
The data on assessment of the irradiation doses of the Chernobyl 239,240Pu to the Black Sea hydrobionts of different trophic levels are presented. The rates of adsorbed doses of internal irradiation from the alpha-radiation of incorporated 239,240Pu to the Black Sea hydrobionts varied from 0.01 to 0.354 µGy ⋅ years-1 Comparative analysis of dose levels formed with 239,240Pu to studied hydrobionts of the Black Sea in this work and doses formed with natural alpha-emitting radionuclide of 210Po showed that 239,240Pu irradiation doses are 103–104 times lower, than irradiation doses with 210Po. Hence, doses created with 239,240Pu to the Black Sea hydrobionts were in n ⋅ 106–107 times less than the dose level offered by International Atomic Energy Agency (IAEA), at which there are no negative consequences in populations of aquatic organisms.
© EDP Sciences, 2009
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