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Implications of zero‐deforestation commitments: Forest quality and hunting pressure limit mammal persistence in fragmented tropical landscapes
Conservation Letters ( IF 7.7 ) Pub Date : 2020-01-19 , DOI: 10.1111/conl.12701
Nicolas J. Deere 1 , Gurutzeta Guillera‐Arroita 2 , Philip J. Platts 3 , Simon L. Mitchell 1 , Esther L. Baking 4 , Henry Bernard 4 , Jessica K. Haysom 1 , Glen Reynolds 5 , Dave J. I. Seaman 1 , Zoe G. Davies 1 , Matthew J. Struebig 1
Affiliation  

Zero‐deforestation commitments seek to decouple agricultural production and forest loss to improve prospects for biodiversity. However, the effectiveness of methods designed to meet these commitments is poorly understood. In a highly fragmented tropical landscape dominated by oil palm, we tested the capacity for the High Carbon Stock (HCS) Approach to prioritize forest remnants that sustain mammal diversity. Patches afforded high priority by HCS protocols (100 ha core area) provided important refuges for IUCN‐threatened species and megafauna. However, patch‐scale HCS area recommendations conserved only 35% of the mammal community. At least 3,000 ha would be required to retain intact mammal assemblages, with nearly 10 times this area needed if hunting pressure was high. While current HCS protocols will safeguard patches capable of sustaining biodiversity, highly fragmented tropical landscapes typical of zero‐deforestation pledges will require thinking beyond the patch toward strategically configured forest remnants at the landscape level and enforcing strict controls on hunting.

中文翻译:

零森林砍伐承诺的含义:森林质量和狩猎压力限制了哺乳动物在零散的热带景观中的持久性

零砍伐森林的承诺力求使农业生产与森林损失脱钩,以改善生物多样性的前景。但是,人们对为满足这些承诺而设计的方法的有效性了解甚少。在由油棕树为主的高度分散的热带景观中,我们测试了高碳储量(HCS)方法优先考虑维持哺乳动物多样性的森林残余物的能力。通过HCS协议(核心区域100公顷)将补丁作为高度优先事项,为受IUCN威胁的物种和大型动物提供了重要的避难所。但是,补丁规模的HCS区域建议仅保护了35%的哺乳动物社区。保留完整的哺乳动物组合至少需要3,000公顷,如果狩猎压力很高,则需要该面积的近10倍。
更新日期:2020-01-19
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