Levels and transfer of 210Po and 210Pb in Nordic terrestrial ecosystems

Journal of Environmental Radioactivity
J E BrownE Holm

Abstract

Recent developments regarding environmental impact assessment methodologies for radioactivity have precipitated the need for information on levels of naturally occurring radionuclides within and transfer to wild flora and fauna. The objectives of this study were therefore to determine activity concentrations of the main dose forming radionuclides (210)Po and (210)Pb in biota from terrestrial ecosystems thus providing insight into the behaviour of these radioisotopes. Samples of soil, plants and animals were collected at Dovrefjell, Central Norway and Olkiluoto, Finland. Soil profiles from Dovrefjell exhibited an approximately exponential fall in (210)Pb activity concentrations from elevated levels in humus/surface soils to "supported" levels at depth. Activity concentrations of (210)Po in fauna (invertebrates, mammals, birds) ranged between 2 and 123 Bq kg(-1)d.w. and in plants and lichens between 20 and 138 Bq kg(-1)d.w. The results showed that soil humus is an important reservoir for (210)Po and (210)Pb and that fauna in close contact with this media may also exhibit elevated levels of (210)Po. Concentration ratios appear to have limited applicability with regards to prediction of activity concentrations of (210)Po in inverte...Continue Reading

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Citations

Feb 28, 2016·Food Chemistry·Maria Assunta MeliClaudio Benedetti
Feb 26, 2016·Journal of Environmental Radioactivity·J Garcia-OrellanaE García-Berthou
Mar 7, 2014·Food Chemistry·Maria Assunta MeliLaura Feduzi
May 9, 2014·Journal of Environmental Radioactivity·Runhild GjelsvikJessica Asbrink
Jun 24, 2017·Journal of Toxicology and Environmental Health. Part a·Carla RoselliMaria Assunta Meli
May 23, 2018·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·Alan Hodgson
Mar 15, 2018·Environmental Geochemistry and Health·Vladica StevanovićIvana Penjišević
Aug 4, 2020·PloS One·Carla RoselliDonatella Desideri
Jul 6, 2013·Environmental Science. Processes & Impacts·Alicja BoryłoBogdan Skwarzec
Jan 24, 2017·Journal of Radioanalytical and Nuclear Chemistry·Alicja BoryłoBogdan Skwarzec
Aug 23, 2018·Bulletin of Environmental Contamination and Toxicology·Sermin Çam KaynarUmran Hiçsönmez
Jul 21, 2015·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Dagmara I Strumińska-ParulskaBogdan Skwarzec
Jan 7, 2019·Food Chemistry·Donatella DesideriMaria Assunta Meli
Apr 26, 2012·Chemical Research in Toxicology·Eric AnsoborloPhilippe Moisy

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