加速全球山地森林的消失威胁到热带生物多样性热点地区.pdf

The frontier of forest loss has encroached into mountains in some regions. However, the global distribution of forest loss in mountain areas,which are home to >85% of the world’s birds, mammals, and amphibians, is uncertain. Here we combine multiple datasets, including global forest change and selected species distribu-tions, to examine spatiotemporal pattems, drivers, and impacts of mountain forest loss. We find 78 Mha of montane forest was lost during 2001-2018 and annualloss accelerated significantly,with recent losses being 2.7-fold greater than those at the beginning of the century. Key drivers of mountain forest loss include com-mercial forestry, agriculture, and wildfire. Areas with the greatest forest loss overlap with important tropical biodiversity hotspots. Our results indicate protectedareas within mountain biodiversity hotspots experi-enced lower loss rates than their surroundings. Increasing the area of protection in mountains should be central to preserving montane forests and biodiversity in the future.

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