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  • Title: [137Cs and 90Sr accumulation in birch wood (Betula pendula Roth.) growing in regions with different soil conditions].
    Author: Perevolotskiĭ AN, Bulavik IM, Perevolotskaia TV, Paskrobko LA, Andrush SN.
    Journal: Radiats Biol Radioecol; 2005; 45(4):498-505. PubMed ID: 16209198.
    Abstract:
    The studies of 137Cs and 90Sr accumulation characteristics by birch wood (Betula pendula Roth.) growing in different edaphic conditions. Were conducted was stated that the increase in soil fertility from trophotops A to D results in 5-fold 137Cs transfer factor decrease and 2-fold decrease of 90Sr. Soil humidity increase for each grade of trophic net results happens the increase of 137Cs transfer factors to wood and decrease for 90Sr. Total activity of 37Cs and 90Sr in birch wood plantation depends on plantation productivity and on radionuclide transfer factors depending on different plantation conditions. In the most prevailing edaphotops (B2, B3, C2 and C3) birch wood accumulates 0.6-1.2% of 137Cs and 13-19% of 90Sr from total activity of radionuclides in biogeocenosis.
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