Publication Date:
1986-12-01
Description:
Recent suggestions have been made that the peak 1963 concentrations of 137Cs and 90Sr in the atmosphere, resulting from nuclear weapon tests, could be used as a marker to estimate growth rates and age in tropical forest trees where no rings are present. Neither wet- nor dry-ashed tissue samples of either radionuclide could be detected in analyses of large wood samples of Abiesmagnifica from the Sierra Nevada. These results suggest that if Abies woody tissues are typical, then sufficient concentrations of radionuclides of cesium and strontium to allow estimations of growth rates and ages will not be present in the trunks of tropical forest trees.
Print ISSN:
0045-5067
Electronic ISSN:
1208-6037
Topics:
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
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