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首页> 外文期刊>Ocean & coastal management >The impact of a mussel farm on water transparency in the Kiel Fjord
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The impact of a mussel farm on water transparency in the Kiel Fjord

机译：贻贝养殖场对基尔峡湾水透明度的影响

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摘要

Mussel farming is a highly discussed opportunity for inner coastal management measures to counteract the eutrophication of the Baltic Sea. There is currently a lack of detailed feasibility analyses for mussel aquaculture in German coastal waters. In 2010, a blue mussel (Mytilus edulis) farm began operating in the Kiel Fjord. In this study, we present an analysis combining measurements from this farm with a 3D-circulation and ecosystem model. We show that the mussel farm in the Kiel Fjord is incapable of producing harvests as large as farms in Swedish coastal waters. We assess and formulate the impact of the mussel farm on water transparency and calculate the attenuation coefficient and the Secchi depth from model data. Although water quality improvements are low due to the size of the farm, our results show that the area of increased water transparency is not limited to the farm area and even reaches the shoreline. We also examine the economic feasibility of the mussel farm and calculate the size of farm area, necessary to remove 10% of the riverine nutrient loads into the Kiel Fjord. We conclude that mussel farming can be a suitable supporting measure to improve water quality by removing nutrients and increasing water transparency in Kiel Fjord.
机译：贻贝养殖是针对内部沿海管理措施以抵消波罗的海富营养化的机会而广为讨论。目前，缺乏在德国沿海水域进行贻贝养殖的详细可行性分析。 2010年，基尔峡湾（Kiel Fjord）开始经营蓝贻贝（Mytilus edulis）养殖场。在这项研究中，我们提出了一项分析，将来自该农场的测量结果与3D循环和生态系统模型相结合。我们证明，基尔峡湾的贻贝养殖场无法产生与瑞典沿海水域的养殖场一样大的收成。我们评估并制定贻贝养殖场对水透明度的影响，并根据模型数据计算衰减系数和塞基深度。尽管由于农场规模的原因，水质改善较低，但我们的结果表明，水透明度提高的区域并不仅限于农场面积，甚至可以到达海岸线。我们还研究了贻贝养殖场的经济可行性，并计算了养殖场的面积，这对于将10％的河流养分负荷转移到基尔峡湾是必不可少的。我们得出结论，在基尔峡湾，贻贝养殖可以作为去除水质和增加水透明度的改善水质的合适支持措施。

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  • 来源
    《Ocean & coastal management》 |2014年第11期|42-52|共11页
  • 作者

    Toni Schroeder; Jana Stank; Gerald Schernewski; Peter Krost;

  • 作者单位

    Leibniz Institute for Baltic Sea Research Warnemuende, Seestrasse 15, D-18119 Rostock, Germany;

    Leibniz Institute for Baltic Sea Research Warnemuende, Seestrasse 15, D-18119 Rostock, Germany;

    Leibniz Institute for Baltic Sea Research Warnemuende, Seestrasse 15, D-18119 Rostock, Germany,Marine Science and Technology Center, Klaipeda University, H. Manto 84, LT-92294 Klaipeda, Lithuania;

    CRM, Coastal Research & Management, Tiessenkai 12, D-24159 Kiel, Germany;

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