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Integration of Land-Sharing and Land-Sparing Conservation Strategies Through Regional Networking: The Mesoamerican Biological Corridor as a Lifeline for Carnivores in El Salvador

机译:通过区域网络整合土地共享和保留土地的保护战略:中美洲生物走廊作为萨尔瓦多食肉动物的生命线

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摘要

Nations with little remaining natural habitat and small extent are challenged when trying to achieve biodiversity targets. We show that the Central American nation of El Salvador cannot viably sustain populations of 87 % of its extant carnivores, especially in the case of large-bodied species with low population densities. Current land-sparing strategies will not suffice; therefore we propose that land-sharing strategies be implemented in tandem with protected areas to expand current conservation efforts via new regional networks. In Central America such a network can be established by linking international protected area systems in a way that implements the existing vision for the Mesoamerican Biological Corridor. Specifically, we propose a re-envisioning of the Mesoamerican Biological Corridor in which land-sharing practices are adopted throughout the agricultural matrix while ensuring formal protection of the remaining natural habitat. Such an integration of land-sparing and land-sharing could result in the creation of an effective network of protected areas, thereby increasing the probability of safeguarding species with populations that overlap national borders.
机译:剩余自然栖息地很少且范围较小的国家在尝试实现生物多样性目标时面临挑战。我们表明,中美洲国家萨尔瓦多无法切实维持其现有食肉动物的87%的种群数量,特别是在种群密度较低的大型物种的情况下。当前的土地节约策略还不够;因此,我们建议与保护区一道实施土地共享战略,以通过新的区域网络扩大当前的保护工作。在中美洲,可以通过以实现中美洲生物走廊现有构想的方式连接国际保护区系统来建立这样的网络。具体来说,我们建议对中美洲生物走廊进行重新设想,在该框架中,在确保整个自然栖息地得到正式保护的同时,在整个农业矩阵中采用土地共享做法。土地节约和土地共享的这种整合可能会导致建立有效的保护区网络,从而增加保护种群重叠国界的物种的可能性。

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