globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0172442
Title:
A dual pathways transfer model to account for changes in the radioactive caesium level in demersal and pelagic fish after the Fukushima Daï-ichi nuclear power plant accident
Author: Bruno Fiévet; Pascal Bailly-du-Bois; Philippe Laguionie; Mehdi Morillon; Mireille Arnaud; Pascal Cunin
Source Publication: PLOS ONE
ISSN: 1932-6203
Publishing Year: 2017
Date Published: 2017-3-1
Volume: 12, Issue:3
Language: 英语
Keyword: Sea water ; Fish physiology ; Sediment ; Fish biology ; Fishes ; Marine environments ; Marine fish ; Food consumption
English Abstract: The Fukushima Daï-ichi nuclear power plant (FDNPP) accident resulted in radioactive Cs being discharged into the local marine environment. While Cs bioaccumulates in biota and slowly depurates, the Cs concentrated in biota constitutes a source of Cs for animals feeding on each other. The marine biota therefore serves as a pool that recycles Cs, and this recycling process delays depuration in the fish feeding on this biota pool. Because the continental shelf is squeezed between the coast and very deep sea, the demersal marine species are confined to a narrow strip along the coast, close to the source of the radioactive input. Unlike demersal species, however, pelagic species are not restricted to the most contaminated area but instead spend some, if not most, of their time and feeding off-shore, far from the input source. We suggest that the feeding pathway for fish is a box whose size depends on their mobility, and that this feeding box is much larger and less contaminated (because of dilution through distance) for pelagic fish than for demersal fish. The aim of this paper is to test this hypothesis and to propose a simple operational model implementing two transfer routes: from seawater and from feeding. The model is then used to match the observational data in the aftermath of the FDNPP accident.
Related Link: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0172442&type=printable
Citation statistics:
被引频次[WOS]:4   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.158/handle/2HF3EXSE/25595
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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Affiliation: Laboratoire de Radioécologie de Cherbourg-Octeville, IRSN/PRP-ENV/SERIS, Cherbourg Octeville, France;Laboratoire de Radioécologie de Cherbourg-Octeville, IRSN/PRP-ENV/SERIS, Cherbourg Octeville, France;Laboratoire de Radioécologie de Cherbourg-Octeville, IRSN/PRP-ENV/SERIS, Cherbourg Octeville, France;Laboratoire de Radioécologie de Cherbourg-Octeville, IRSN/PRP-ENV/SERIS, Cherbourg Octeville, France;Laboratoire de recherche sur les transferts de radionucléides dans l'environnement, IRSN/PRP-ENV/SERIS, Saint-Paul Les Durance, France;Laboratoire de recherche sur les transferts de radionucléides dans l'environnement, IRSN/PRP-ENV/SERIS, Saint-Paul Les Durance, France

Recommended Citation:
Bruno Fiévet,Pascal Bailly-du-Bois,Philippe Laguionie,et al. A dual pathways transfer model to account for changes in the radioactive caesium level in demersal and pelagic fish after the Fukushima Daï-ichi nuclear power plant accident[J]. PLOS ONE,2017-01-01,12(3)
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