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Spatial models reveal the microclimatic buffering capacity of old-growth forests [Science Advances]

Keywords : Boosted regression trees, forest structure, microclimate, microrefugia, mountains

par Frédéric Magné - publié le , mis à jour le

Climate change is predicted to cause widespread declines in biodiversity, but these predictions are derived from coarse-resolution climate models applied at global scales. Such models lack the capacity to incorporate microclimate variability, which is critical to biodiversity microrefugia. In forested montane regions, microclimate is thought to be influenced by combined effects of elevation, microtopography, and vegetation, but their relative effects at fine spatial scales are poorly known. We used boosted regression trees to model the spatial distribution of fine-scale, under-canopy air temperatures in mountainous terrain.(...)

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