南极罗斯海ad企鹅（Pygoscelis adeliae）卵中持久性有机污染物（POPs）和全氟烷基物质（PFAS）的时间趋势，包括它们与气候参数的关系

IF 7.3 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Environmental Pollution Pub Date : 2025-03-27 DOI:10.1016/j.envpol.2025.126130

Nicolas Pala , Katrin Vorkamp , Rossana Bossi , Anders Bignert , Giacomo Traversa , Davide Fugazza , Stefania Ancora , Nicoletta Ademollo , Davide Baroni , Simonetta Corsolini

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引用次数: 0

摘要

污染物的时间趋势是评估化学限制措施有效性的重要工具。在这项工作中，对1997年至2021年在罗斯海沿岸收集的50只ad企鹅蛋（Pygoscelis adeliae）进行了多氯联苯（PCBs）、多溴联苯醚（PBDEs）、六氯苯（HCB）、p,p ' -二氯二苯二氯乙烯（p,p ' -DDE）、全氟烷基物质（PFAS）的分析。一些多氯联苯同属物显示出显著减少的趋势，而HCB和p，p ' -DDE显示出减少但不显著的趋势，这可能与无意中生产HCB和持续使用滴滴涕有关，即使气候驱动的再动员机制也可能起作用。PBDE-47也显示出下降但不显著的趋势，这可能是由于最近的全球限制。全氟辛烷磺酸的趋势与以前在北极观察到的情况一致，即根据其全球禁令，全氟辛烷磺酸（PFOS）大幅减少，长链全氟羧酸（PFCAs）增加。与选定的气候参数的相关性表明，PBDE-47与采样年降水之间存在相关性。据我们所知，这项工作代表了罗斯海企鹅污染物的最长时间趋势研究，也是第一个报告PFAS的研究。它强调了全球法规对极地生态系统中污染物发展的重要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Temporal trends of persistent organic pollutants (POPs) and perfluoroalkyl substances (PFAS) in Adèlie penguin (Pygoscelis adeliae) eggs from the Ross Sea (Antarctica), including their relationship with climate parameters

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Temporal trends of contaminants represent an important tool to evaluate the effectiveness of chemical restriction measures. In this work, 50 eggs of Adèlie penguin (Pygoscelis adeliae) collected along the Ross Sea coasts from 1997 to 2021 were analysed for polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), hexachlorobenzene (HCB), p,p’-dichlorodiphenyldichloroethylene (p,p’-DDE), perfluoroalkyl substances (PFAS). Some PCB congeners showed a significantly decreasing trend, whereas HCB and p,p’-DDE indicated decreasing but not significant trends, potentially related to the unintentional production of HCB and ongoing use of DDT, even if a contribution from climate-driven remobilisation mechanisms may also play a role. PBDE-47 also indicated a decreasing but not significant trend, which might be explained by the more recent global restriction. PFAS trends agreed with what has been previously observed in the Arctic, i.e. significantly decreasing perfluorooctane sulfonate (PFOS) according to its global ban and increasing long-chain perfluorinated carboxylic acids (PFCAs). Correlations with selected climate parameters showed an association between PBDE-47 and sampling year precipitations. To our knowledge, this work represents the longest time trend study of pollutants in penguins from the Ross Sea and the first one reporting PFAS. It highlights the importance of global regulations for the contaminant developments in polar ecosystems.

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来源期刊

Environmental Pollution 环境科学-环境科学

CiteScore

16.00

自引率

6.70%

发文量

2082

审稿时长

2.9 months

期刊介绍： Environmental Pollution is an international peer-reviewed journal that publishes high-quality research papers and review articles covering all aspects of environmental pollution and its impacts on ecosystems and human health. Subject areas include, but are not limited to: • Sources and occurrences of pollutants that are clearly defined and measured in environmental compartments, food and food-related items, and human bodies; • Interlinks between contaminant exposure and biological, ecological, and human health effects, including those of climate change; • Contaminants of emerging concerns (including but not limited to antibiotic resistant microorganisms or genes, microplastics/nanoplastics, electronic wastes, light, and noise) and/or their biological, ecological, or human health effects; • Laboratory and field studies on the remediation/mitigation of environmental pollution via new techniques and with clear links to biological, ecological, or human health effects; • Modeling of pollution processes, patterns, or trends that is of clear environmental and/or human health interest; • New techniques that measure and examine environmental occurrences, transport, behavior, and effects of pollutants within the environment or the laboratory, provided that they can be clearly used to address problems within regional or global environmental compartments.