²¹⁰Po in the Black Sea hydrobionts

The A.O. Kovalevsky Institute of Biology of the Southern Seas (IBSS), National Academy of Sciences of Ukraine, 99011 Sebastopol, Ukraine

Abstract

The ²¹⁰Po concentrations in the Black Sea hydrobionts are reported and compared with published radioecological data on this natural radionuclide. The distribution of ²¹⁰Po in investigated species of the Black Sea pelagic community is the following: mesozooplankton = ctenophore < pelagic fish. ²¹⁰Po concentrations in the Black Sea fishes depend on their belonging to different ecological groups and decrease from pelagic species to demersal and benthic ones. ²¹⁰Po concentrations in the Black Sea mussels Mytilus galloprovincialis are as high as such determined in the Black Sea pelagic fishes. ²¹⁰Po concentrations in algae were the lowest among benthic hydrobionts.