Social-environmental drivers inform strategic management of coral reefs in the Anthropocene
Social-environmental drivers inform strategic management of coral reefs in the Anthropocene
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DOI：
10.1038/s41559-019-0953-8
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发表时间：
2019-09-01
影响因子：
16.8
通讯作者：
Mouillot, David
中科院分区：
文献类型：
--
作者：
Darling, Emily S.;McClanahan, Tim R.;Mouillot, David
如果不大力减少碳排放，缓解全球化的压力，热带珊瑚礁将岌岌可危。战略养护和管理要求查明促使珊瑚礁生态系统的基础物种--珊瑚礁珊瑚组合--持续存在的环境和社会经济因素。在这里，我们汇编了2584个印度-太平洋珊瑚礁的珊瑚丰度数据，以评估21个气候、社会和环境驱动因素对珊瑚礁珊瑚组合生态的影响。构筑框架的珊瑚丰度较高通常与以下因素有关：较弱的热扰动和较长的潜在恢复间隔；人口增长较慢；人类住区和市场进入的机会减少；以及附近农业较少。因此，我们提出了三个管理战略(保护、恢复或转型)的框架，考虑到：(1)珊瑚礁是否高于或低于拟议的阈值>；10%对结构复杂性和碳酸盐生产至关重要的珊瑚礁分类群；以及(2)2014-2017年全球珊瑚白化事件期间，珊瑚礁暴露在严重的热应力之下。我们的发现可以通过确定多个规模的关键威胁和战略政策优先事项来指导珊瑚礁的紧急管理工作，这些威胁和战略政策优先事项可能会维持印度-太平洋地区正常运作的珊瑚礁网络，以避免生态系统崩溃。
Without drastic efforts to reduce carbon emissions and mitigate globalized stressors, tropical coral reefs are in jeopardy. Strategic conservation and management requires identification of the environmental and socioeconomic factors driving the persistence of scleractinian coral assemblages-the foundation species of coral reef ecosystems. Here, we compiled coral abundance data from 2,584 Indo-Pacific reefs to evaluate the influence of 21 climate, social and environmental drivers on the ecology of reef coral assemblages. Higher abundances of framework-building corals were typically associated with: weaker thermal disturbances and longer intervals for potential recovery; slower human population growth; reduced access by human settlements and markets; and less nearby agriculture. We therefore propose a framework of three management strategies (protect, recover or transform) by considering: (1) if reefs were above or below a proposed threshold of >10% cover of the coral taxa important for structural complexity and carbonate production; and (2) reef exposure to severe thermal stress during the 2014-2017 global coral bleaching event. Our findings can guide urgent management efforts for coral reefs, by identifying key threats across multiple scales and strategic policy priorities that might sustain a network of functioning reefs in the Indo-Pacific to avoid ecosystem collapse.