Evaluation of 137Cs accumulation by mushrooms and trees based on the aggregated transfer factor

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• 作者：Wataru Nakai (1)
  Naoki Okada (2)
  Shinta Ohashi (2)
  Atsushi Tanaka (2)
  
• 关键词：Genus ; specific 137Cs accumulation ; Ectomycorrhizal fungus ; Saprophytic fungus ; Aggregated transfer factor
• 刊名：Journal of Radioanalytical and Nuclear Chemistry
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：303
• 期：3
• 页码：2379-2389
• 全文大小：559 KB
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• 作者单位：Wataru Nakai (1)
  Naoki Okada (2)
  Shinta Ohashi (2)
  Atsushi Tanaka (2)
  
  1. Division of Forest and Biomaterials Science, Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto, 606-8502, Japan
  2. Department of Natural Resources, Graduate School of Global Environmental Studies, Kyoto University, Kyoto, 606-8501, Japan
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Nuclear Chemistry
  Physical Chemistry
  Nuclear Physics, Heavy Ions and Hadrons
  Diagnostic Radiology
  Inorganic Chemistry
  
• 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
• ISSN：1588-2780

文摘

Cesium-137 (137Cs) accumulation by mushrooms and trees was evaluated based on the aggregated transfer factor (T ag) value at one and a half years after the Fukushima Daiichi Nuclear Power Plant accident. Our results suggest that (1) some genera of fungi tend to accumulate more 137Cs than others, (2) not only 137Cs concentration of the substrates but also its availability for fungi is an important factor determining the 137Cs concentration in mushrooms and (3) ectomycorrhizal fungi do not necessarily enhance 137Cs uptake by host plants when compared to arbuscular mycorrhizal fungi.