%A"Gjelsvik, R" %A"Brown, J" %A"Holm, E" %A"Roos, P" %A"Saxen, R" %A"Outola, I" %D2012 %I; Statens Straalevern, Oesteraas (Norway) %2 %J[] %K61 RADIATION PROTECTION AND DOSIMETRY, RADIATION PROTECTION, RADIATION DOSES, RADIOISOTOPES, WELLS, GROUND WATER, ECOSYSTEMS, POLONIUM 210, BIOSPHERE, CLIMATES, CHEMISTRY, RADIONUCLIDE MIGRATION %PMedium: ED; Size: 112 page(s) %TPolonium-210 and other radionuclides in terrestrial, freshwater and brackish environments Results from the NKS project GAPRAD (Filling knowledge gaps in radiation protection methodologies for non-human biota) %XThe background and rationale to filling knowledge gaps in radiation protection methodologies for biota are presented. Concentrations of Po-210 and Pb-210 are reported for biota sampled in Dovrefjell, Norway and selected lake and brackish ecosystems in Finland. Furthermore, details in relation to Po-210 uptake and biokinetics in humans based on experimental studies are recounted. (Author) %0Technical Report %NNRPA-2012:3;Other: ISSN 0804-4910; TRN: NO1206180 %1 %CNorway %Rhttps://doi.org/ Other: ISSN 0804-4910; TRN: NO1206180 NWN %GEnglish