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首页> 外文期刊>Environmental Science & Technology >Legacy and Emerging Persistent Organic Pollutants in Antarctic Benthic Invertebrates near Rothera Point, Western Antarctic Peninsula
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Legacy and Emerging Persistent Organic Pollutants in Antarctic Benthic Invertebrates near Rothera Point, Western Antarctic Peninsula

机译：南极半岛西部罗瑟拉角附近的南极底栖无脊椎动物的遗留物和新兴持久性有机污染物

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摘要

Pollutant levels in polar regions are gaining progressively more attention from the scientific community. This is especially so for pollutants that persist in the environment and can reach polar latitudes via a wide range of routes, such as some persistent organic pollutants (POPs). In this study, samples of Antarctic marine benthic organisms were analyzed for legacy and emerging POPs (polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), and organochlorine pesticides) to comprehensively assess their current POP concentrations and infer the potential sources of the pollutants. Specimens of five benthic invertebrate species were collected at two distinct locations near Rothera research station on the Antarctic Peninsula (67°35'8" S and 68°7'59" W). Any impact of the nearby Rothera station as a local source of pollution appeared to be negligible. The most abundant chemicals detected were hexachlorobenzene (HCB) and BDE-209. The highest concentrations detected were in limpets and sea urchins, followed by sea stars, ascidians, and sea cucumbers. The relative congener patterns of PCBs and PBDEs were similar in all of the species. Some chemicals (e.g., heptachlor, oxychlordane, and mirex) were detected in the Antarctic invertebrates for the first time. Statistical analyses revealed that the distribution of the POPs was not only driven by the feeding traits of the species but also by the physicochemical properties of the specific compounds.
机译：极地地区的污染物水平越来越受到科学界的关注。对于持久存在于环境中并可以通过多种途径到达极地的污染物，例如某些持久性有机污染物（POP），尤其如此。在这项研究中，分析了南极海洋底栖生物样品中的遗留和新出现的持久性有机污染物（多氯联苯，多溴联苯醚和有机氯农药），以全面评估其当前的持久性有机污染物浓度并推断出污染物的潜在来源。在南极半岛罗瑟拉研究站附近的两个不同地点（67°35'8“ S和68°7'59” W）收集了五个底栖无脊椎动物物种的标本。附近的Rothera站作为当地污染源的任何影响看来都是微不足道的。检测到的最丰富的化学物质是六氯苯（HCB）和BDE-209。检出的最高浓度是在帽贝和海胆中，其次是海星，海鞘和海参。在所有物种中，PCBs和PBDEs的相对同源模式均相似。首次在南极无脊椎动物中发现了一些化学药品（例如，七氯，氧氯丹和灭蚁灵）。统计分析表明，持久性有机污染物的分布不仅受物种的摄食性状驱动，而且还受特定化合物的理化特性影响。

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  • 来源
    《Environmental Science & Technology》 |2020年第5期|2763-2771|共9页
  • 作者

    Artem Krasnobaev; Guillaume ten Dam; Rita Boerrigter-Eenling; Fang Peng; Stefan P. J. van Leeuwen; Simon A. Morley; Lloyd S. Peck; Nico W. van den Brink;

  • 作者单位

    Sub-Department of Toxicology Wageningen University NL 6700 FA Wageningen the Netherlands;

    Wageningen Research Wageningen Food Safety Research (WFSR) NL 6700 AE Wageningen the Netherlands DSP-systems 6718 XR Ede the Netherlands;

    Wageningen Research Wageningen Food Safety Research (WFSR) NL 6700 AE Wageningen the Netherlands;

    Luxembourg Institute of Health 1445 Strassen Luxembourg;

    Natural Environment Research Council (NERC) British Antarctic Survey Cambridge CB3 OET United Kingdom;

    Sub-Department of Toxicology Wageningen University NL 6700 EA Wageningen the Netherlands;

  • 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);
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