Application of the ERICA Assessment Tool to freshwater ecosystems in FinlandAim of the studyThe objective is to make dose assessments for biota in two selected lake ecosystems in Finland in the current levels of environmental radioactivity. ImplementationThe dose assessments will be carried out using the ERICA Assessment Tool, a software programme developed within the ERICA project under the EC 6th FP. STUK’s data on the measured activity concentrations of 137Cs and 90Sr in fishes, aquatic plants and other biota as well as in lake sediment and water will be used to estimate doses. The two selected lakes represent the highest exposure to biota in freshwater ecosystems affected by the Chernobyl accident. The doses estimated with the ERICA Assessment Tool will be compared with those obtained by a programme for calculating doses to biota developed at STUK. Dissemination and exploitation of the resultsThe project is related to the ongoing international development in radiation protection of the environment. It builds a basis for applying the framework for radiation protection of biota to Finnish conditions. The results of the project will be reported in an article planned to be submitted in 2009. CollaboratorsNone outside STUK Timetable2008–2009 Responsible scientistVirve Vetikko Page updated 15/05/2009
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