The effect of fertilisation on the distribution of Cs-137 in forestsThe uptake of radionuclides by forest vegetation, particularly trees, is studied in collaboration with the Finnish Forest Research Institute. Through field experiments the uptake and the related temporal changescaused by various treatments can be determined. The main objective of the long-term study is quantifying the effect of forest management on the 137Cs contamination of trees and other vegetation. Also the intensity and other technical details of optimal management need to be adjusted for various site conditions. In 2010-2011 sampling of vegetation will be repeated on three experimental sites studied in the 1990s. The emphasis is on trees and understorey vegetation. The results will be communicated to forest industry and advisor organizations responsible for mitigation of harms from radionuclide contamination in forestry. The results will be submitted for publication internationally. Responsible scientistAino Rantavaara/STUK, Lasse Aro/Metla Page updated 19/07/2010
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