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    Overview of active cesium contamination of freshwater fish in Fukushima and Eastern Japan

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    Scientific Reports

    Nature Publishing Group

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        Abstract

        This paper focuses on an overview of radioactive cesium 137 (quasi-Cs137 included Cs134) contamination of freshwater fish in Fukushima and eastern Japan based on the data published by the Fisheries Agency of the Japanese Government in 2011. In the area north and west of the Fukushima Nuclear plant, freshwater fish have been highly contaminated. For example, the mean of active cesium (quasi-Cs137) contamination of Ayu (Plecoglossus altivelis) is 2,657 Bq/kg at Mano River, 20–40 km north-west from the plant. Bioaccumulation is observed in the Agano river basin in Aizu sub-region, 70–150 km west from the plant. The active cesium (quasi-Cs137) contamination of carnivorous Salmondae is around 2 times higher than herbivorous Ayu. The extent of active cesium (quasi-Cs137) contamination of Ayu is observed in the entire eastern Japan. The some level of the contamination is recognized even in Shizuoka prefecture, 400 km south-west from the plant.

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        Most cited references 6

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        Bioaccumulation of Radiocesium by Fish: the Influence of Physicochemical Factors and Trophic Structure

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          Sources of Variation in Post-Chernobyl Radiocaesium in Fish from Two Cumbrian Lakes (North-West England)

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            Sources of Variation in Radiocaesium Levels Between Individual Fish from a Chernobyl Contaminated Norwegian Lake

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              Author and article information

              Affiliations
              [1]The Center for Risk Research, Shiga University
              Journal
              Sci Rep
              Sci Rep
              Scientific Reports
              Nature Publishing Group
              2045-2322
              29 April 2013
              2013
              : 3
              23625055
              3638159
              srep01742
              10.1038/srep01742
              Copyright © 2013, Macmillan Publishers Limited. All rights reserved

              This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/

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