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首页> 外文期刊>Journal of oceanography >A monitoring result of polychlorinated biphenyls (PCBs) in deep-sea organisms and sediments off Tohoku during 2012-2014: temporal variation and the relationship with the trophic position
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A monitoring result of polychlorinated biphenyls (PCBs) in deep-sea organisms and sediments off Tohoku during 2012-2014: temporal variation and the relationship with the trophic position

机译：2012-2014年东北海深海生物和沉积物中多氯联苯（PCBs）的监测结果：时间变化及其与营养位置的关系

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摘要

To estimate polychlorinated biphenyls (PCBs) pollution by the 2011 earthquake and tsunami off the Pacific coast of Tohoku, we report monitoring results of their concentration in deep-sea fish, benthic invertebrates, and sediments collected off Tohoku in 2012-014. Total concentration of PCBs in the deep-sea organisms ranges from 0.12 to 51 ng g(-1) dry weight (8.7-374 ng g(-1) lipid), whereas that of sediments ranges from 0.086 to 4.0 ng g(-1) dry sediment. These ranges are well below the regulatory standards determined by the Ministry of the Environment in Japan (pelagic fish: 500 ng g(-1) dry weight, pelagic sediment: 10 mu g g(-1) dry sediment). With the reported data before the 2011 tsunami event, we did not find any significant increase in PCBs concentration off Tohoku during 2012-2014. For the biological samples, we also measured the nitrogen isotopic composition of individual amino acids for determining the precise trophic position to examine possible biomagnification through the food web. We did not find any significant correlation between the trophic position and PCB concentration.
机译：为了估算2011年东北太平洋沿岸地震和海啸造成的多氯联苯污染，我们报告了2012-014年东北海收集的深海鱼类，底栖无脊椎动物和沉积物中其浓度的监测结果。深海生物中多氯联苯的总浓度为干重的0.12至51 ng g（-1）（脂质为8.7-374 ng g（-1）），而沉积物的总浓度为0.086至4.0 ng g（-1） ）干燥的沉淀物。这些范围远低于日本环境省确定的法规标准（远洋鱼类：干重500 ng g（-1），远洋沉积物：干重10μg g（-1））。根据2011年海啸事件之前的报告数据，我们没有发现2012-2014年东北地区的PCBs浓度有明显增加。对于生物样品，我们还测量了各个氨基酸的氮同位素组成，以确定确切的营养位置，以检查通过食物网的可能生物放大倍数。我们在营养位置和PCB浓度之间没有发现任何显着相关性。

著录项

  • 来源
    《Journal of oceanography》 |2016年第4期|629-639|共11页
  • 作者

    Ohkouchi Naohiko; Shibata H.; Chikaraishi Y.; Nomaki H.; Ogawa N. O.; Nagata T.; Goto T.; Fujikura K.; Kitazato H.;

  • 作者单位

    Japan Agcy Marine Earth Sci & Technol, 2-15 Natsushima Cho, Yokosuka, Kanagawa 2370061, Japan;

    Kitasato Univ, Dept Fisheries, Sagamihara, Kanagawa, Japan;

    Japan Agcy Marine Earth Sci & Technol, 2-15 Natsushima Cho, Yokosuka, Kanagawa 2370061, Japan;

    Japan Agcy Marine Earth Sci & Technol, 2-15 Natsushima Cho, Yokosuka, Kanagawa 2370061, Japan;

    Japan Agcy Marine Earth Sci & Technol, 2-15 Natsushima Cho, Yokosuka, Kanagawa 2370061, Japan;

    Univ Tokyo, Atmospher & Ocean Res Inst, Kashiwa, Chiba, Japan;

    Iwate Fisheries Technol Ctr, Kamaishi, Iwate, Japan;

    Japan Agcy Marine Earth Sci & Technol, 2-15 Natsushima Cho, Yokosuka, Kanagawa 2370061, Japan;

    Japan Agcy Marine Earth Sci & Technol, 2-15 Natsushima Cho, Yokosuka, Kanagawa 2370061, Japan;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Polychlorinated biphenyls (PCBs); Deep-sea organism; Sediment; Tsunami; Off Tohoku; Trophic position;

    机译：多氯联苯;深海生物;沉积物;海啸;东北非;营养位置;

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