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Climatic vulnerability of the world’s freshwater and marine fishes [Nature Climate Change]

Subject terms : climate-change ecology, conservation biology, macroecology

par Frédéric Magné - publié le

Climate change is a mounting threat to biological diversity1, compromising ecosystem structure and function, and undermining the delivery of essential services worldwide2. As the magnitude and speed of climate change accelerates3, greater understanding of the taxonomy and geography of climatic vulnerability is critical to guide effective conservation action. However, many uncertainties remain regarding the degree and variability of climatic risk within entire clades and across vast ecosystem boundaries4. Here we integrate physiological estimates of thermal sensitivity for 2,960 ray-finned fishes with future climatic exposure, and demonstrate that global patterns of vulnerability differ substantially between freshwater and marine realms.(...)

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