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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
Authors: Copplestone, David
Johnson, Michael S
Jackson, Duncan
Jones, Steve R
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Issue Date: Nov-2000
Publisher: Oxford University Press
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.
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.
Type: Journal Article
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Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: Biological and Environmental Sciences
University of Liverpool
Westlakes Scientific Consulting Ltd
Westlakes Scientific Consulting Ltd

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