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Radiocesium concentrations in wild mushrooms collected in Kawauchi Village after the accident at the Fukushima Daiichi Nuclear Power Plant


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Title: Radiocesium concentrations in wild mushrooms collected in Kawauchi Village after the accident at the Fukushima Daiichi Nuclear Power Plant
Other Titles: 福島第一原子力発電所事故後の川内村における自生キノコの放射性セシウム濃度
Authors: 中島, 香菜美
Authors (alternative): Nakashima, Kanami
Issue Date: 18-Mar-2016
Publisher: PeerJ
Citation: Nagasaki University (長崎大学), 博士(医学) (2016-03-18)
Abstract: It is well known from the experience after the 1986 accident at the Chernobyl Nuclear Power Plant that radiocesium tends to concentrate in wild mushrooms. In this study, we collected wild mushrooms from the Kawauchi Village of Fukushima Prefecture, located within 30 km of the Fukushima Daiichi Nuclear Power Plant, and evaluated their radiocesium concentrations to estimate the risk of internal radiation exposure in local residents. We found that radioactive cesium exceeding 100 Bq/kg was detected in 125 of 154 mushrooms (81.2%). We calculated committed effective doses based on 6,278 g per year (age > 20 years, 17.2 g/day), the average intake of Japanese citizens, ranging from doses of 0.11–1.60 mSv, respectively. Although committed effective doses are limited even if residents eat contaminated foods several times, we believe that comprehensive risk-communication based on the results of the radiocesium measurements of food, water, and soil is necessary for the recovery of Fukushima after this nuclear disaster.
Description: 長崎大学学位論文 学位記番号:博(医歯薬)甲第836号 学位授与年月日:平成28年3月18日 / Author: Kanami Nakashima, Makiko Orita, Naoko Fukuda, Yasuyuki Taira, Naomi Hayashida, Naoki Matsuda, Noboru Takamura / Citation: PeerJ, 3, e1427; 2015
Keywords: Fukushima / Mushroom / Chernobyl / Radiocesium / Radionuclides
URI: http://hdl.handle.net/10069/36266
DOI: 10.7717/peerj.1427
Relational Links: http://hdl.handle.net/10069/36501
Rights: (C) 2015 Nakashima et al. Distributed under Creative Commons CC-BY 4.0
Type: Thesis or Dissertation
Text Version: ETD
Appears in Collections:dissertation

Citable URI : http://hdl.handle.net/10069/36266

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