Land-use change interacts with climate to determine elevational species redistribution

Abstract : Climate change is driving global species redistribution with profound social and economic impacts. However, species movement is largely constrained by habitat availability and connectivity, of which the interaction effects with climate change remain largely unknown. Here we examine published data on 2798 elevational range shifts from 43 study sites to assess the confounding effect of land-use change on climate-driven species redistribution. We show that baseline forest cover and recent forest cover change are critical predictors in determining the magnitude of elevational range shifts. Forest loss positively interacts with baseline temperature conditions, such that forest loss in warmer regions tends to accelerate species’ upslope movement. Consequently, not only climate but also habitat loss stressors and, importantly, their synergistic effects matter in forecasting species elevational redistribution, especially in the tropics where both stressors will increase the risk of net lowland biotic attrition.
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Submitted on : Wednesday, November 6, 2019 - 8:45:55 PM
Last modification on : Saturday, November 9, 2019 - 12:58:04 PM

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Fengyi Guo, Jonathan Lenoir, Timothy Bonebrake. Land-use change interacts with climate to determine elevational species redistribution. Nature Communications, Nature Publishing Group, 2018, 9 (1), pp.1315. ⟨10.1038/s41467-018-03786-9⟩. ⟨hal-02352532⟩

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