Finnish Meteorological Institute, P.O. Box 503, FI-00101 Helsinki, Finland.
Department of Chemistry, University of Helsinki, P.O. Box 55, FI-00014 Helsinki, Finland.
Int J Environ Res Public Health. 2021 Oct 9;18(20):10577. doi: 10.3390/ijerph182010577.
Transfer of natural radionuclides Pb, Po, U, and Th in subarctic food chains has been studied in Finland since the 1960s. The unique food chain lichen-reindeer-man related to Sami people in Finnish Lapland and other food chain options, from berries or mushrooms to man, have been explored and the activity concentrations of natural radionuclides in biological samples determined. The results from Finnish radioecological studies are summarized and differences in bioaccumulation between different radionuclides are discussed. It was found out that, although a substantial amount of activity concentration data exist from the research projects executed in Finland during the last 6 decades, more data, especially from U and Th, in biological environment and humans would be useful, e.g., for modeling purposes and for improved assessment of bioaccumulation and adverse effects (both radiological and chemical) of radionuclides.
自 20 世纪 60 年代以来，芬兰一直在研究亚北极地区食物链中的天然放射性核素 Pb、Po、U 和 Th 的转移。研究了与芬兰拉普兰地区的萨米人有关的独特食物链——地衣驯鹿人，以及从浆果或蘑菇到人类的其他食物链选择，并确定了生物样本中天然放射性核素的活度浓度。总结了芬兰放射性生态学研究的结果，并讨论了不同放射性核素之间的生物累积差异。结果表明，尽管在过去 60 年中，芬兰执行的研究项目已经产生了大量的活度浓度数据，但在生物环境和人类中，特别是 U 和 Th 的更多数据将是有用的，例如，用于建模目的和改进放射性核素生物累积和不良影响（放射性和化学）的评估。
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