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Article Dans Une Revue Science Année : 2016

Climate change: The 2015 Paris Agreement thresholds and Mediterranean basin ecosystems

Résumé

The United Nations Framework Convention on Climate Change Paris Agreement of December 2015 aims to maintain the global average warming well below 2°C above the preindustrial level. In the Mediterranean basin, recent pollen-based reconstructions of climate and ecosystem variability over the past 10,000 years provide insights regarding the implications of warming thresholds for biodiversity and land-use potential. We compare scenarios of climate-driven future change in land ecosystems with reconstructed ecosystem dynamics during the past 10,000 years. Only a 1.5°C warming scenario permits ecosystems to remain within the Holocene variability. At or above 2°C of warming, climatic change will generate Mediterranean land ecosystem changes that are unmatched in the Holocene, a period characterized by recurring precipitation deficits rather than temperature anomalies.
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hal-01586010 , version 1 (12-09-2017)

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Joel Guiot, Wolfgang Cramer. Climate change: The 2015 Paris Agreement thresholds and Mediterranean basin ecosystems. Science, 2016, 354 (6311), pp.465-468. ⟨10.1126/science.aah5015⟩. ⟨hal-01586010⟩
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