Predicting the transfer of radionuclides to wildlife – an alternative to the concentration ratio

The commonly used models to assess radiation risk to wildlife all use the concentration ratio (CRwo) parameter to estimate whole-organism activity concentrations when measured data are unavailable. The CRwo relates the organism fresh mass activity concentration to the activity concentration in an environmental medium (e.g. typically soil for terrestrial ecosystems). Previously we demonstrated an alternative, taxonomic-based, approach for predicting Cs transfer to freshwater fish (Beresford et al. 2013), which removed the effect of site. In this paper we apply the same approach to terrestrial wildlife.