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首页> 外文期刊>Polar biology >Can sea urchin grazing of kelp forests in the Arctic make rocky shore systems more vulnerable to oil spills?
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Can sea urchin grazing of kelp forests in the Arctic make rocky shore systems more vulnerable to oil spills?

机译：北极海带森林的海胆放牧能使多岩石的海岸系统更容易受到漏油的影响吗？

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摘要

In Arctic Norway, the risk of major marine oil spills associated with increasing offshore drilling, land terminal, and maritime transport activities is a cause for concern. Intertidal and subtidal kelp and seaweed communities found in this region are highly productive ecosystems, although sea urchin (Strongylocentrotus droebachiensis)-overgrazed areas (urchin barrens) have been and still are a widespread problem. In the present study, we developed a kelp (Laminaria hyperborea) distribution model and studied fauna distribution, dispersal and recolonisation potentials in seaweed communities, kelp forests and sea urchin-grazed areas to assess sensitivity and vulnerability of these rocky shore communities to additional stress from oil spills, especially if the oil is released close to the coast. Our results suggest that sheltered and moderately exposed rocky shore seaweed communities close to urchin barrens are the most sensitive systems when a combined ecological effect from grazing and oil spill pollution is considered. Our study may have implications for which oil spill countermeasures that represent the best environmental practice (BEP) in the northern coastal areas that already are ecologically stressed because of sea urchin overgrazing.
机译：在挪威北极地区，与海上钻井，陆上码头和海上运输活动增加相关的重大海洋石油泄漏风险令人担忧。尽管海胆（Strongylocentrotus droebachiensis）-过度放牧的地区（海胆贫瘠）已经并且仍然是一个普遍的问题，但在该地区发现的潮间带和潮带下海带和海藻群落是高产的生态系统。在本研究中，我们开发了一种海带（Laminaria hyperborea）分布模型，并研究了海藻群落，海带森林和海胆成草地区的动物分布，传播和再定殖潜力，以评估这些多岩石的海岸社区对来自其他岩石的额外压力的敏感性和脆弱性。漏油，尤其是在沿海地区释放油的情况下。我们的结果表明，考虑到放牧和漏油污染的综合生态影响，靠近海胆贫瘠地区的有遮蔽和中等暴露度的岩石海岸海藻群落是最敏感的系统。我们的研究可能会暗示哪些溢油对策代表了北部沿海地区的最佳环境实践（BEP），该措施已因海胆过度放牧而受到生态压力。

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