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Ecosystem‐based management of coral reefs under climate change

机译:气候变化下基于生态系统的珊瑚礁管理

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摘要

Coral reefs provide food and livelihoods for hundreds of millions of people as well as harbour some of the highest regions of biodiversity in the ocean. However, overexploitation, land‐use change and other local anthropogenic threats to coral reefs have left many degraded. Additionally, coral reefs are faced with the dual emerging threats of ocean warming and acidification due to rising CO 2 emissions, with dire predictions that they will not survive the century. This review evaluates the impacts of climate change on coral reef organisms, communities and ecosystems, focusing on the interactions between climate change factors and local anthropogenic stressors. It then explores the shortcomings of existing management and the move towards ecosystem‐based management and resilience thinking, before highlighting the need for climate change‐ready marine protected areas (MPAs), reduction in local anthropogenic stressors, novel approaches such as human‐assisted evolution and the importance of sustainable socialecological systems. It concludes that designation of climate change‐ready MPAs, integrated with other management strategies involving stakeholders and participation at multiple scales such as marine spatial planning, will be required to maximise coral reef resilience under climate change. However, efforts to reduce carbon emissions are critical if the long‐term efficacy of local management actions is to be maintained and coral reefs are to survive.
机译:珊瑚礁为亿万人民提供了食物和生计,还拥有海洋中生物多样性最高的地区。但是,过度开发,土地利用变化和其他当地人为对珊瑚礁的威胁使许多退化。另外,由于CO 2排放量的增加,珊瑚礁面临着海洋变暖和酸化的双重新威胁,可怕的预测是它们将无法生存本世纪。这篇综述评估了气候变化对珊瑚礁生物,社区和生态系统的影响,重点是气候变化因素与当地人为压力源之间的相互作用。然后,在强调需要准备好应对气候变化的海洋保护区(MPA),减少本地人为压力源,人类辅助进化等新方法之前,它探索了现有管理的缺点以及向基于生态系统的管理和弹性思维的转变。以及可持续社会生态系统的重要性。得出的结论是,将需要与其他利益相关者参与并在多个尺度上参与的其他管理战略(如海洋空间规划)相结合的气候适应型MPA的指定,以最大程度地提高气候变化下的珊瑚礁适应能力。但是,如果要保持地方管理措施的长期效力并生存珊瑚礁,减少碳排放的努力至关重要。

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