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首页> 外文期刊>Environmental Management >Environmental Impact of Offshore Gas Activities on the Benthic Environment: A Case Study
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Environmental Impact of Offshore Gas Activities on the Benthic Environment: A Case Study

机译：海上天然气活动对底栖环境的环境影响 - 以案例研究

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摘要

Multidisciplinary monitoring of the impact of offshore gas platforms on northern and central Adriatic marine ecosystems has been conducted since 1998. Beginning in 2006, 4-5 year investigations spanning the period before, during, and after rig installation have explored the effects of its construction and presence on macrozoobenthic communities, sediment, water quality, pollutant bioaccu-mulation, and fish assemblages. In this study, sediment samples collected at increasing distance from an offshore gas platform before, during and after its construction were subjected to chemical analysis and assessment of benthic communities. Ecological indices were calculated to evaluate the ecological status of the area. Ecotoxicological analysis of sediment was performed to establish whether pollutants are transferred to biota. The study applied a before-after control-impact design to assess the effects of rig construction and presence and provide reference data on the possible impacts of any further expansion of the gas extraction industry in the already heavily exploited Adriatic Sea. Only some of the metals investigated (barium, chromium, cadmium, and zinc) showed a different spatial and/or temporal distribution that may be platform-related. In the early phases, the sediment concentrations of polycyclic aromatic hydrocarbons were below the detection limit at all sites; they then became detectable, but without significant spatial differences. The present findings suggest that the environmental effects of offshore gas platforms may be difficult to quantify, interpret, and generalize, because they are influenced by numerous, often local, abiotic, and biotic variables in different and unpredictable ways.
机译：自1998年自1998年以来，已经进行了多学科监测北部和中央亚得里亚海洋生态系统的影响。从2006年开始，钻机安装前，期间和之后跨越了4-5年的调查探讨了其建筑的影响在宏杂肠社区，沉积物，水质，污染物生物粘土和鱼组件上的存在。在该研究中，在近海气体平台的距离上，在其建设之前，近端和评估了底栖群落的沉积物样品。计算生态指数以评估该地区的生态地位。进行沉积物的生态毒理学分析，建立污染物是否转移到Biota。该研究应用了一次前进的控制 - 冲击设计，以评估钻机结构和存在的影响，并提供关于在已经爆炸的亚得里亚海中的任何进一步扩张的可能影响的参考数据。只有一些研究的金属（钡，铬，镉和锌）显示出不同的空间和/或时间分布，可能是与平台相关的。在早期相中，多环芳烃的沉积物浓度低于所有地点的检测限;然后它们变得可检测，但没有显着的空间差异。本研究结果表明，海上天然气平台的环境影响可能难以量化，解释和概括，因为它们受到众多，局部，非生物和生物变量的影响，以不同和不可预测的方式。

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  • 来源
    《Environmental Management》 |2017年第2期|340-356|共17页
  • 作者

    E. Punzo; A. Gomiero; A. N. Tassetti; P. Strafella; A. Santelli; V. Salvalaggio; A. Spagnolo; G. Scarcella; A. M. De Biasi; L. Kozinkova; G. Fabi;

  • 作者单位

    National Research Council (CNR) Institute of Marine Sciences (ISMAR) Largo Fieradella Pesca 160125 Ancona Italy;

    National Research Council (CNR) Institute of Marine Sciences (ISMAR) Largo Fieradella Pesca 160125 Ancona Italy International Research Institute of Stavanger (IRIS)-Environment Mekjarvik 12N-4070 Randaberg Norway;

    National Research Council (CNR) Institute of Marine Sciences (ISMAR) Largo Fieradella Pesca 160125 Ancona Italy;

    National Research Council (CNR) Institute of Marine Sciences (ISMAR) Largo Fieradella Pesca 160125 Ancona Italy;

    National Research Council (CNR) Institute of Marine Sciences (ISMAR) Largo Fieradella Pesca 160125 Ancona Italy;

    National Research Council (CNR) Institute of Marine Sciences (ISMAR) Largo Fieradella Pesca 160125 Ancona Italy;

    National Research Council (CNR) Institute of Marine Sciences (ISMAR) Largo Fieradella Pesca 160125 Ancona Italy;

    National Research Council (CNR) Institute of Marine Sciences (ISMAR) Largo Fieradella Pesca 160125 Ancona Italy;

    Consorzio per il Centro Interuniversitario di Biologia Marina ed Ecologia Applicata (CIBM) Livorno Italy;

    Consorzio per il Centro Interuniversitario di Biologia Marina ed Ecologia Applicata (CIBM) Livorno Italy;

    National Research Council (CNR) Institute of Marine Sciences (ISMAR) Largo Fieradella Pesca 160125 Ancona Italy;

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

    BACI; Multidisciplinary approach; Impacts; Benthic communities; Adriatic Sea;

    机译：Baci;多学科方法;影响;底栖社区;亚得里亚海;

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