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首页> 外文期刊>Environmental Science & Technology >Collation of Strontium Concentration Ratios from Water to Aquatic Biota Species in Freshwater and Marine Environments and Factors Affecting the Ratios
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Collation of Strontium Concentration Ratios from Water to Aquatic Biota Species in Freshwater and Marine Environments and Factors Affecting the Ratios

机译：锶浓度比在淡水和海洋环境中对水生生物征物种的整理和影响比率的因素

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摘要

The fate of strontium-90 (~(90)Sr) from water to aquatic biota is of concern since the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident because of continuous small~(90)Sr releases to the seawater from the FDNPP site. The Japanese diet includes many edible marine and freshwater species, and the environmental parameter, that is, the concentration ratio (CR) from water to biota, is useful to estimate the potential ~(90)Sr intake, especially from frequently consumed seafoods. However, widely used CR data for radiation dose assessment only have provided values for biota types such as fish, crustaceans, macroalgae, and so forth, and thus, it is difficult to identify specific data for each species. In this study, therefore, we collated CR data of Sr for aquatic biota by surveying available open data sources from the 1950s to 2019, not only for edible parts but also for whole and inedible parts. In total, we obtained 3800 CR data: 3013 data for marine biota, 28 data for brackish water biota, and 759 data for freshwater biota. The results showed that species-specific CRs may decrease the uncertainties compared to those published in IAEA documents; however, different diets and living areas by species may lead to different uncertainties for different species.
机译：自福岛Daiichi核电站（FDNPP）由于连续小〜（90）SR从FDNPP网站释放出海水，锶-90（〜（90）SR）的命运是关注的。日本饮食包括许多可食用的海洋和淡水种类，即环境参数，即水为生物群的浓度比（Cr），可用于估计潜在的〜（90）SR摄入量，特别是经常消耗的海鲜。然而，广泛使用的辐射剂量评估的CR数据仅为Biota类型提供的价值，例如鱼类，甲壳类动物，大甲糖果等，因此难以识别每个物种的特定数据。因此，在这项研究中，我们通过测量从20世纪50年代至2019年的可用开放数据来源进行水生生物群的CR数据，而不仅适用于可食用的部分，而且是整个可食用的部分。总共获得3800 CR数据：3013次海洋生物群数据，28个咸水生物群数据，淡水Biota的759个数据。结果表明，与原子能机构文件发表的人相比，物种特异性CR可能会降低不确定性;然而，物种的不同饮食和生活区可能导致不同物种的不同不确定性。

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  • 来源
    《Environmental Science & Technology》 |2021年第3期|1637-1649|共13页
  • 作者

    Keiko Tagami; Yukiko Fukaya; Makoto Hirayama; Shigeo Uchida;

  • 作者单位

    National Institute of Radiological Sciences National Institutes for Quantum and Radiological Science and Technology Chiba 263-8555 Japan;

    Safety and Environment Analysis Unit Japan NUS Co. Ltd. Tokyo 160-0023 Japan;

    Safety and Environment Analysis Unit Japan NUS Co. Ltd. Tokyo 160-0023 Japan;

    National Institute of Radiological Sciences National Institutes for Quantum and Radiological Science and Technology Chiba 263-8555 Japan Safety and Environment Analysis Unit Japan NUS Co. Ltd. Tokyo 160-0023 Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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