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Geogenic metal mobility in a coastal inlet impacted by cannery discharge, Magdalena Bay, Baja California Sur, Mexico

机译:墨西哥湾下加利福尼亚州马格达莱纳湾,受到罐头厂排放影响的沿海入口中的基因金属迁移率

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摘要

Magdalena Bay is an important habitat for marine organisms, some of which have been the subject of metal bioaccumulation studies. Cannery waste is discharged into the bay providing a plausible source of contamination but this study finds that some metals occur geogenically. Bay sediments and rocks (n = 59) were analyzed for total metals and clustered (HCA) into two distinct groups with PCA indicating concentrations of Cr, Cu, Mn, and Ni influenced samples near ophiolite outcrops, which reported some metal concentrations exceeding averages in the crust by an order of magnitude (up to 4450 ppm Cr and 1269 ppm Ni). Metals at the cannery are rarely elevated above crustal averages except Zn (max. 160 ppm), however, acid-extracted Zn was below recommended sediment quality guidelines in contrast to 80% of ophiolitic samples reporting Ni extractability exceeding such guidelines. This study raises awareness of geogenic metals when considering sources of contamination in marine environments. (C) 2016 Elsevier Ltd. All rights reserved.
机译:马格达莱纳湾是海洋生物的重要栖息地,其中一些已成为金属生物蓄积研究的主题。罐头废料排入海湾,提供了可能的污染源,但这项研究发现某些金属是地质产生的。分析了海湾沉积物和岩石(n = 59)中的总金属,并将其聚类为两个不同的组,其中PCA指示在蛇绿岩露头附近的Cr,Cu,Mn和Ni的浓度影响了样品,这些样品中的某些金属浓度超过了平均值。地壳的数量级(高达4450 ppm的铬和1269 ppm的镍)。除了锌(最大含量为160 ppm)外,罐头工厂中的金属很少会高于地壳平均水平,但是,酸提取的Zn低于建议的沉积物质量指标,而80%的脂质体样品报告的Ni提取率均超过了该指标。这项研究在考虑海洋环境中的污染源时,提高了对地质金属的认识。 (C)2016 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Marine pollution bulletin》 |2016年第1期|495-506|共12页
  • 作者单位

    Univ San Diego, Dept Environm & Ocean Sci, 5998 Alcala Pk, San Diego, CA 92110 USA;

    Univ San Diego, Dept Environm & Ocean Sci, 5998 Alcala Pk, San Diego, CA 92110 USA;

    Univ San Diego, Dept Environm & Ocean Sci, 5998 Alcala Pk, San Diego, CA 92110 USA;

  • 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
  • 中图分类
  • 关键词

    Magdalena Bay; Geogenic metals; Chromium; Nickel; Ophiolite; Cannery;

    机译:马格达莱纳湾;地质金属;铬;镍;蛇绿岩;制革;
  • 入库时间 2022-08-17 13:34:22

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