To improve radiation dose prediction the following studies have been carried out:
impact of chemical speciation on the radionuclide transfer in terrestrial ecosystems after a core disruptive accident, especially in soils and plants;
transfer paths of radionuclides in seminatural and natural ecosystems and their role in contaminating the foodchain;
validation of soil to plant parameters;
transfer of radionuclides to animals and animal products;
transfer paths in aquatic systems and their importance for the contamination of the foodchain.