Environmental contamination may result from activities related with the nuclear fuel cycle, applications in medicine and research and exploitation and treatment of ores and materials containing natural radionuclides.
For the modelling of the radionuclide transfer and the assessment of the radiation exposure in radioactive environments, knowledge on the behaviour of radionuclides in the different ecosystem compartments is required.
The reliability of the predictions largely depends on the degree of understanding of the important biological and physico-chemical processes governing the flux of radionuclides in agricultural and forestry ecosystems.
This knowledge will also enable us to propose countermeasures directed to limit radionuclide availability and uptake, and assess the impact of radioactive contamination on men, non-human biota or on an ecosystem.
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Within the research unit Biosphere Impact Studies, there are 3 cornerstone activities:
These keystone activities evolve over four major interactive R&D domains presented below.