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Assessment of Fukushima-Derived Radiation Doses and Effects on Wildlife in Japan

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Strand, P. | Aono, T. | Brown, J.E. | Garnier-Laplace, J. | Hosseini, A. | Sazykina, T. | Steenhuisen, F. | Vives I Batlle, J.

Edité par CCSD -

International audience. Following releases from the nuclear accident at the Fukushima-Daiichi Nuclear Power Station (FDNPS), contention has arisen over the potential radiological impact on wildlife. Under the auspices of the United Nations Scientific Committee on the Effects of Atomic Radiation, a suite of recently developed approaches was applied to calculate exposure and thereafter infer effects on wildlife through comparison with compiled dose-response relationships. Only macroalgae (accumulated dose of 7 Gy) substantially exceeded its corresponding benchmark. We inferred that although effects on sensitive end points in individual plants and animals might have occurred in the weeks directly following the accident in relatively contaminated areas, impacts on population integrity would have been unlikely because of the short duration of the most highly elevated exposures. The conclusions of the assessment are incongruous with recent field observations of effects on some animal species, the cause of which has been reportedly exposures from FDNPS releases. © 2014 American Chemical Society.

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