[The variability of the biochemical status of populations of the bank vole (Clethrionomys glareolus) subjected to the chronic action of ionizing radiation in relation to the time of their inhabiting radionuclide-contaminated areas].

The existence of a population of bank voles in the course of long time (50-60 years) in conditions of chronic ionizing radiation at low doses, promoted adaptation of this populations of rodents to the action of this factor. As opposed to, in a population of bank voles, living radionuclide-contaminated areas during 8-years after the Chernobyl accident, adaptation was not observed.