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http://hdl.handle.net/1893/7420| Appears in Collections: | Biological and Environmental Sciences Journal Articles |
| Peer Review Status: | Refereed |
| Title: | Doses to terrestrial biota in the vicinity of BNFL Sellafield, Cumbria, UK |
| Author(s): | Copplestone, David Johnson, Michael S Jackson, Duncan Jones, Steve R |
| Contact Email: | david.copplestone@stir.ac.uk |
| Issue Date: | Nov-2000 |
| Date Deposited: | 9-Aug-2012 |
| Citation: | Copplestone D, Johnson MS, Jackson D & Jones SR (2000) Doses to terrestrial biota in the vicinity of BNFL Sellafield, Cumbria, UK. Radiation Protection Dosimetry, 92 (1-3), pp. 177-182. https://doi.org/10.1093/oxfordjournals.rpd.a033265 |
| Abstract: | Source terms and corresponding radionuclide activity concentrations in biota for 134Cs, 137Cs, 238Pu, 239+240Pu and 241Am have been assessed for three semi-natural ecosystems in the vicinity of BNFL Sellafield, Cumbria, UK. Estimates of absorbed doses (mGy.d-1) have been calculated. Doses to key indicator species, Oniscus asellus (detritivorous invertebrate), Carabus violaceous (predatory invertebrate) and Apodemus sylvaticus (granivorous wood mouse) are discussed with reference to the 1 mGy.d-1 level, below which it is postulated that no observable effects on populations in a terrestrial ecosystem occur. Implications for the 'critical group' and 'reference model' approaches for a framework of radiological environmental protection are discussed. The need to assess the most highly exposed species is advanced. New research focused on the application of biomarker techniques as a mechanism for determining the interactions and effects of environmental contaminants on ecosystem structure and functioning is presented. |
| DOI Link: | 10.1093/oxfordjournals.rpd.a033265 |
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