Dose reconstruction supports the interpretation of decreased abundance of mammals in the Chernobyl Exclusion Zone

Abstract We re-analyzed field data concerning potential effects of ionizing radiation on the abundance of mammals collected in the Chernobyl Exclusion Zone (CEZ) to interpret these findings from current knowledge of radiological dose–response relationships, here mammal response in terms of abundance...

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Autores principales:	Karine Beaugelin-Seiller, Jacqueline Garnier-Laplace, Claire Della-Vedova, Jean-Michel Métivier, Hugo Lepage, Timothy A. Mousseau, Anders Pape Møller
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/51a582b459d949f0855b30c975ca3ee5
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spelling	oai:doaj.org-article:51a582b459d949f0855b30c975ca3ee52021-12-02T16:45:40ZDose reconstruction supports the interpretation of decreased abundance of mammals in the Chernobyl Exclusion Zone10.1038/s41598-020-70699-32045-2322https://doaj.org/article/51a582b459d949f0855b30c975ca3ee52020-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-70699-3https://doaj.org/toc/2045-2322Abstract We re-analyzed field data concerning potential effects of ionizing radiation on the abundance of mammals collected in the Chernobyl Exclusion Zone (CEZ) to interpret these findings from current knowledge of radiological dose–response relationships, here mammal response in terms of abundance. In line with recent work at Fukushima, and exploiting a census conducted in February 2009 in the CEZ, we reconstructed the radiological dose for 12 species of mammals observed at 161 sites. We used this new information rather than the measured ambient dose rate (from 0.0146 to 225 µGy h−1) to statistically analyze the variation in abundance for all observed species as established from tracks in the snow in previous field studies. All available knowledge related to relevant confounding factors was considered in this re-analysis. This more realistic approach led us to establish a correlation between changes in mammal abundance with both the time elapsed since the last snowfall and the dose rate to which they were exposed. This relationship was also observed when distinguishing prey from predators. The dose rates resulting from our re-analysis are in agreement with exposure levels reported in the literature as likely to induce physiological disorders in mammals that could explain the decrease in their abundance in the CEZ. Our results contribute to informing the Weight of Evidence approach to demonstrate effects on wildlife resulting from its field exposure to ionizing radiation.Karine Beaugelin-SeillerJacqueline Garnier-LaplaceClaire Della-VedovaJean-Michel MétivierHugo LepageTimothy A. MousseauAnders Pape MøllerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-13 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Karine Beaugelin-Seiller Jacqueline Garnier-Laplace Claire Della-Vedova Jean-Michel Métivier Hugo Lepage Timothy A. Mousseau Anders Pape Møller Dose reconstruction supports the interpretation of decreased abundance of mammals in the Chernobyl Exclusion Zone
description	Abstract We re-analyzed field data concerning potential effects of ionizing radiation on the abundance of mammals collected in the Chernobyl Exclusion Zone (CEZ) to interpret these findings from current knowledge of radiological dose–response relationships, here mammal response in terms of abundance. In line with recent work at Fukushima, and exploiting a census conducted in February 2009 in the CEZ, we reconstructed the radiological dose for 12 species of mammals observed at 161 sites. We used this new information rather than the measured ambient dose rate (from 0.0146 to 225 µGy h−1) to statistically analyze the variation in abundance for all observed species as established from tracks in the snow in previous field studies. All available knowledge related to relevant confounding factors was considered in this re-analysis. This more realistic approach led us to establish a correlation between changes in mammal abundance with both the time elapsed since the last snowfall and the dose rate to which they were exposed. This relationship was also observed when distinguishing prey from predators. The dose rates resulting from our re-analysis are in agreement with exposure levels reported in the literature as likely to induce physiological disorders in mammals that could explain the decrease in their abundance in the CEZ. Our results contribute to informing the Weight of Evidence approach to demonstrate effects on wildlife resulting from its field exposure to ionizing radiation.
format	article
author	Karine Beaugelin-Seiller Jacqueline Garnier-Laplace Claire Della-Vedova Jean-Michel Métivier Hugo Lepage Timothy A. Mousseau Anders Pape Møller
author_facet	Karine Beaugelin-Seiller Jacqueline Garnier-Laplace Claire Della-Vedova Jean-Michel Métivier Hugo Lepage Timothy A. Mousseau Anders Pape Møller
author_sort	Karine Beaugelin-Seiller
title	Dose reconstruction supports the interpretation of decreased abundance of mammals in the Chernobyl Exclusion Zone
title_short	Dose reconstruction supports the interpretation of decreased abundance of mammals in the Chernobyl Exclusion Zone
title_full	Dose reconstruction supports the interpretation of decreased abundance of mammals in the Chernobyl Exclusion Zone
title_fullStr	Dose reconstruction supports the interpretation of decreased abundance of mammals in the Chernobyl Exclusion Zone
title_full_unstemmed	Dose reconstruction supports the interpretation of decreased abundance of mammals in the Chernobyl Exclusion Zone
title_sort	dose reconstruction supports the interpretation of decreased abundance of mammals in the chernobyl exclusion zone
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/51a582b459d949f0855b30c975ca3ee5
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Dose reconstruction supports the interpretation of decreased abundance of mammals in the Chernobyl Exclusion Zone

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