The territory of the Alienated Zone around the Chernobyl Nuclear Power Station is the most contaminated ecosystem. Here the main radionuclides ~(137)Cs, ~(90)Sr as well as transuranic elements are widely distributed. An important point is that the contaminated plots are characterized by very different environmental parameters. Namely, here various soil types, landscapes, subsoil rocks, depths of underground water are distributed throughout the contaminated territory. Thus we stand a good chance of getting information on the biogeochemistry of radionuclide and radiobiological effects of irradiation. During sixteen years serious efforts were mounted to develop reliable countermeasures as applied to various situations in the territories around the Chernobyl Nuclear Power Station.
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