Ecological half-life of 137Cs in lichens in an alpine region.

• Title: Ecological half-life of 137Cs in lichens in an alpine region.

Author: Machart, Peter / Hofmann, Werner / Türk, Roman / Steger, Ferdinand

Reference: Journal of environmental radioactivity, 97 (1), p.70-75, Jan 2007

doi:http://dx.doi.org/10.1016/j.jenvrad.2007.05.003

Keywords: Ecological half-life; ¹³⁷Cs; Activity concentrations; Lichens

Abstract: About 17 years after the Chernobyl accident, lichen samples were collected in an alpine region in Austria (Bad Gastein), which was heavily contaminated by the Chernobyl fallout. Measured 137Cs activity concentrations in selected lichens (Cetraria islandica, Cetraria cucullata, and Cladonia arbuscula) ranged from 100 to 1100 Bq kg(-1) dry weight, depending on lichen species and sampling site.

URL: http://www.sciencedirect.com/science/article/pii/S0265931X07001208

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