Analysis reveals 137Cs half-lives in moss species, suggesting significant environmental impacts.
Multiyear dynamics of 137Cs content in alive and dead parts of green mosses-dominants of moss layer and also the same index of 0-2-cm layer of soil of forests of authomorphous landscapes have been analyzed. It was found that for all analyzed moss species was specified decrease of 137Cs specific activity in alive part and increase in dead part of mosses. Duration of effective environmental half-life for moss cover of authomorphous forests period has been calculated; it varies from 24 years in Pleurozium schreberi, 23.5 years in Hylocomium splendens to 18 years in Dicranum polysetum. Biological half-life was essentially longer in these species - 117.4; 106.3 and 44.6 years accordingly.
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Орлов et al. (2001) studied this question.
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