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Long-term modifications of coastal defences enhance marine biodiversity

机译：长期修改沿海防御设施可增强海洋生物多样性

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摘要

Realization that hard coastal infrastructures support lower biodiversity than natural habitats has prompted a wealth of research seeking to identify design enhancements offering ecological benefits. Some studies showed that artificial structures could be modified to increase levels of diversity. Most studies, however, only considered the short-term ecological effects of such modifications, even though reliance on results from short-term studies may lead to serious misjudgements in conservation. In this study, a seven-year experiment examined how the addition of small pits to otherwise featureless seawalls may enhance the stocks of a highly-exploited limpet. Modified areas of the seawall supported enhanced stocks of limpets seven years after the addition of pits. Modified areas of the seawall also supported a community that differed in the abundance of littorinids, barnacles and macroalgae compared to the controls. Responses to different treatments (numbers and size of pits) were species-specific and, while some species responded directly to differences among treatments, others might have responded indirectly via changes in the distribution of competing species. This type of habitat enhancement can have positive long-lasting effects on the ecology of urban seascapes. Understanding of species interactions could be used to develop a rule-based approach to enhance biodiversity.
机译：认识到坚硬的沿海基础设施所支持的生物多样性要低于自然栖息地，这促使人们进行了大量研究，试图确定可提供生态效益的设计改进。一些研究表明，可以修改人工结构以增加多样性。然而，尽管依赖短期研究的结果可能会导致对保护的严重错误判断，但大多数研究仅考虑了此类修改的短期生态影响。在这项研究中，一项为期7年的实验研究了在原本没有特征的海堤上增加小坑如何增加高度开采的的种群。在增加矿坑七年之后，海堤的改建区域增加了帽贝种群。与控制区相比，海堤的改建区域还为一个社区提供了丰富的沿海鸟类，藤壶和大型藻类资源。对不同处理方法（坑的数量和大小）的响应是特定于物种的，尽管某些物种对处理之间的差异直接做出了响应，但其他物种可能通过竞争物种分布的变化而间接做出了响应。这种类型的栖息地改善可以对城市海景生态产生长期的积极影响。对物种相互作用的理解可以用来发展基于规则的方法来增强生物多样性。

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  • 来源
    《Environmental Conservation》 |2016年第2期|109-116|共8页
  • 作者

    GUSTAVO M. MARTINS; STUART R. JENKINS; ANA I. NETO; STEPHEN J. HAWKINS; RICHARD C. THOMPSON;

  • 作者单位

    CIIMAR/CIMAR Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, 4050-123 Porto, Portugal,CIRN & Grupo de Biologia Marinha, Departamento de Biologia, Universidade dos Acores, 9501-801 Ponta Delgada, Azores, Portugal;

    School of Ocean Sciences, Bangor University, Menai Bridge, Anglesey LL59 5AB, UK;

    CIIMAR/CIMAR Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, 4050-123 Porto, Portugal,CIRN & Grupo de Biologia Marinha, Departamento de Biologia, Universidade dos Acores, 9501-801 Ponta Delgada, Azores, Portugal;

    Marine Biological Association of the United Kingdom, Citadel Hill, Plymouth PL1 2PB, UK,Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, Waterfront Campus, Southampton SO14 3ZH, UK;

    Marine Biology and Ecology Research Centre, Marine Institute, Plymouth University, Plymouth PL4 8AA, UK;

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

    Azores; coastal urbanization; community structure; conservation; habitat enhancement; long-term; Patella;

    机译：亚速尔群岛;沿海城市化;社区结构;保护;栖息地的改善;长期;髌骨;

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