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首页> 外文期刊>Environmental Science & Technology >Impacts of the Deepwater Horizon Oil Spill on Salt Marsh Periwinkles (Littoraria irrorata)
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Impacts of the Deepwater Horizon Oil Spill on Salt Marsh Periwinkles (Littoraria irrorata)

机译：深水地平线漏油事件对盐沼长春（Littoraria irrorata）的影响

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摘要

Deepwater Horizon was the largest marine oil spill in U.S. waters, oiling large expanses of coastal wetland shorelines. We compared marsh periwinkle (Littoraria irrorata) density and shell length at salt marsh sites with heavy oiling to reference conditions ～16 months after oiling. We also compared periwinkle density and size among oiled sites with and without shoreline cleanup treatments. Densities of periwinkles were reduced by 80-90% at the oiled marsh edge and by 50% in the oiled marsh interior (～9 m inland) compared to reference, with greatest numerical losses of periwinkles in the marsh interior, where densities were naturally higher. Shoreline cleanup further reduced adult snail density as well as snail size. Based on the size of adult periwinkles observed coupled with age and growth information, population recovery is projected to take several years once oiling and habitat conditions in affected areas are suitable to support normal periwinkle life-history functions. Where heavily oiled marshes have experienced accelerated erosion as a result of the spill,' these habitat impacts would represent additional losses of periwinkles. Losses of marsh periwinkles would likely affect other ecosystem processes and attributes, including organic matter and nutrient cycling, marsh-estuarine food chains, and multiple species that prey on periwinkles.
机译：《深水地平线》是美国水域最大的海上漏油事件，为大片沿海湿地海岸线加油。我们比较了在加油后〜16个月的参考条件下，盐渍沼泽地区加重油的沼泽长春花（Littoraria irrorata）的密度和壳长。我们还比较了有和没有海岸线清理处理的上油地点之间的长春花密度和大小。与参考相比，涂油沼泽边缘的长春花密度降低了80-90％，涂油沼泽内部（内陆约9 m）降低了50％，其中沼泽自然而然密度较高的长春花的数值损失最大。清理海岸线进一步降低了成年蜗牛的密度和蜗牛的大小。根据观察到的成年长春花的大小，再加上年龄和生长信息，一旦受影响地区的供油和栖息地条件适合支持正常的长春花生活史功能，则预计种群恢复将需要数年。在溢油造成的沼泽中，上了很多油的沼泽加速了侵蚀，这些栖息地的影响将代表长春花的额外损失。沼泽长春花的损失可能会影响其他生态系统过程和属性，包括有机物和养分循环，沼泽河口食物链以及捕食长春花的多种物种。

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  • 来源
    《Environmental Science & Technology》 |2016年第2期|643-652|共10页
  • 作者

    Scott Zengel; Clay L. Montague; Steven C. Pennings; Sean P. Powers; Maria Steinhoff; Gail Fricano; Claire Schlemme; Mengni Zhang; Jacob Oehrig; Zachary Nixon; Shahrokh Rouhani; Jacqueline Michel;

  • 作者单位

    Research Planning, Inc. (RPI), Tallahassee, Florida 32303, United States;

    Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida 32611, United States;

    Department of Biology and Biochemistry, University of Houston, Houston, Texas 77204, United States;

    Department of Marine Sciences, University of South Alabama and Dauphin Island Sea Lab, Mobile, Alabama 36688, United States;

    Assessment and Restoration Division, Office of Response and Restoration, National Oceanographic and Atmospheric Administration (NOAA), Seattle, Washington 98115, United States;

    Industrial Economics, Inc. (IEc), Cambridge, Massachusetts 02140, United States;

    Industrial Economics, Inc. (IEc), Cambridge, Massachusetts 02140, United States;

    NewFields, Atlanta, Georgia 30309, United States;

    NewFields, Atlanta, Georgia 30309, United States;

    Research Planning, Inc. (RPI), Columbia, South Carolina 29201, United States;

    NewFields, Atlanta, Georgia 30309, United States;

    Research Planning, Inc. (RPI), Columbia, South Carolina 29201, United States;

  • 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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