| bioconcentration of fallout 137cs by fungi and red-backed voles (clethrionomys gapperi). | cesium-137 and 40k concentrations were measured in vegetation and in red-backed voles (clethrionomys gapperi) in southeastern manitoba, canada, following the chernobyl accident in 1986. voles from wet coniferous habitats contained concentrations of 137cs twenty- to fiftyfold higher than voles from deciduous habitats. maximum 137cs values were observed in autumn. voles captured in a spruce bog at this time contained an average body burden of about 11 bq. concentrations in vegetation samples were ... | 1989 | 2684915 |