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Expanding, shifting and shrinking : The impact of global warming on species’ elevational distributions [Global Ecology and Biogeography]

Keywords : climate change, elevational gradient, mountaintop extinctions, range limits, range shifts, species distributions

par Frédéric Magné - publié le

Species are responding to climate warming by shifting their distributions toward historically cooler regions, but the degree to which expansions at cool range limits are balanced by contractions at warm limits is unknown. We synthesized published data documenting shifts at species’ warm versus cool range limits along elevational gradients to (a) test classic ecological theory that predicts temperature more directly influences species’ cool range limits than their warm range limits, and (b) determine how warming‐associated shifts have changed the extent and area of species’ elevational distributions.(...)

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