The use of tree bark as long term biomonitor of Cs-137 deposition
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Airborne Cs-137 originated from the nuclear tests in the atmosphere and from the Chernobyl nuclear disaster was retained by the trees biomass and nowadays it can still be found in various concentrations in tree barks from Romania and other European countries. This study brings the first results of Cs-137 presence in tree bark from Romania on different considerations: (i) data dispersion in spruce and oak bark from NW, SW and central Romania, and the spatial variability of Cs-137 within oak and spruce bark from a natural protected forest area from Balvanyos area (Covasna County), known to be highly affected by the Chernobyl nuclear release; (ii) comparison of Cs-137 content in different tree bark species (oak, spruce, poplar and cherry); (iii) differences in Cs-137 concentrations with the bark depth layers and around the tree trunk; and (iv) comparison of mean Cs-137 values in spruce/oak bark from Romania with data from other European countries. (C) 2015 Elsevier Ltd. All rights reserve...d.
Keywords:(CS)-C-137 / Oak bark / Radionuclide accumulation / Bark contamination / Romania
Source:Journal of Environmental Radioactivity, 2016, 153, 126-133
- An integral study to identify the regional genetic and environmental risk factors for the common noncommunicable diseases in the human population of Serbia - INGEMA_S (RS-41028)
- RAMARO project [PN-II-PT-PCCA-2011-3.2-1064, 73/2012]