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Modeling responses of coupled social-ecological systems of the Gulf of California to anthropogenic and natural perturbations

机译：模拟加利福尼亚湾耦合的社会生态系统对人为和自然扰动的响应

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摘要

Key elements of the rapidly expanding field of ecosystem-based management include: (a) understanding connections among social and ecological systems and (b) developing analytical approaches to inform the necessary trade-offs among ecosystem services and human activities in coastal and marine areas. To address these needs, we investigate the impacts of multiple economic sectors on the marine ecosystem and dependent human community in the Gulf of California with an ecological-economic model. We focus on the spotted rose snapper (Lutjanus guttatus), an economically important species targetedrnconcurrently by the nearshore artisanal fleet, the sport-fishing fleet, and by the industrial shrimp fleet as bycatch. Economic returns to the local community are driven by the artisanal fishery catch and the number of tourists who engage in the sportsfishery, and these variables are in turn impacted by fish abundance. We find that the coexistence of the two sectors (and production of both seafood and tourism services) creates stability in key elements of the coupled systems. When the coupled systems are perturbed by changes in exploitation and climate variability, the artisanal fishery responds more rapidly and to a greater degree than the sportsfishery to shifts in the fish population. Our results suggest that vital components of coupled systems may well respond differently to climate variability or other perturbations, and that management strategies should be developed with this in mind. Models like ours can facilitate the development and testing of hypotheses about the form and strength of interactions between ecosystems, services, and the human communities that rely on them.
机译：快速发展的基于生态系统的管理领域的关键要素包括：（a）了解社会和生态系统之间的联系，以及（b）开发分析方法，以告知沿海和海洋地区生态系统服务与人类活动之间的必要权衡。为了满足这些需求，我们使用生态经济模型研究了多个经济部门对加利福尼亚湾海洋生态系统和依存人类社区的影响。我们专注于斑点的玫瑰鲷鱼（Lutjanus guttatus），这是一种经济上重要的物种，同时被近岸手工船队，运动钓鱼船队和工业虾船队作为副渔获物。手工渔业捕捞量和从事运动渔业的游客人数带动了当地社区的经济回报，而这些变量又受鱼类丰富度的影响。我们发现，这两个部门的共存（以及海鲜和旅游服务的生产）在耦合系统的关键要素中创造了稳定性。当耦合系统因开发和气候变化的变化而受到干扰时，与渔业相比，手工渔业对鱼类种群变化的反应更快，程度更大。我们的结果表明，耦合系统的重要组成部分可能对气候变化或其他扰动有不同的响应，因此在制定管理策略时应牢记这一点。像我们这样的模型可以促进有关生态系统，服务和依赖它们的人类社区之间相互作用的形式和强度的假设的开发和检验。

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  • 来源
    《Ecological research》 |2009年第3期|505-519|共15页
  • 作者

    Heather M. Leslie; Maja Schlueter; Richard Cudney-Bueno; Simon A. Levin;

  • 作者单位

    Department of Ecology and Evolutionary Biology, Princeton Environmental Institute, Princeton University, Princeton, NJ 08544, USA Department of Ecology and Evolutionary Biology, Center for Environmental Studies, Brown University, 135 Angell St., Box 1943, Providence, RI 02912, USA;

    Department of Ecology and Evolutionary Biology, Princeton Environmental Institute, Princeton University, Princeton, NJ 08544, USA;

    Conservation and Science Program, The David and Lucile Packard Foundation, Los Altos, CA 94022, USA Institute of Marine Sciences, University of California, Santa Cruz, Santa Cruz, CA 95060, USA School of Natural Resources, University of Arizona, Tucson, AZ 85721, USA;

    Department of Ecology and Evolutionary Biology, Princeton Environmental Institute, Princeton University, Princeton, NJ 08544, USA Resources for the Future, 1616 P Street NW, Washington, DC 20036, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    trade-offs; marine ecosystem services; social-ecological system; ecosystem-based management; modeling; ecological-economics; fisheries;

    机译：权衡;海洋生态系统服务;社会生态系统;基于生态系统的管理;造型;生态经济学;渔业;

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