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Mapping extinction risk in the global functional spectra across the tree of life

Carmona, C. P.; Tamme, R.; Partel, M.; de Bello, F.; Brosse, S.; Capdevila, P.; Gonzalez-M, R.; Gonzalez-Suarez, M.; Salguero-Gomez, R.; Vasquez-Valderrama, M.; Toussaint, A.

2020-06-30 ecology
10.1101/2020.06.29.179143 bioRxiv
Show abstract

Although one quarter of the species of plants and vertebrates are threatened with extinction, little is known about how the potential effect of extinctions on the global diversity of ecological strategies. Using trait and phylogenetic information for more than 75,000 species of plants, mammals, birds, reptiles, amphibians and freshwater fishes, we characterized the global functional spectra of each of these groups. Mapping of extinction risk within these spectra revealed that larger species with slower pace of life are universally threatened. Simulated potential extinctions revealed extensive internal reorganizations in the global functional spectra, which are particularly severe for mammals and amphibians. Considering the disproportionate importance of the largest species for ecological processes, our results emphasize the importance of actions to prevent the extinction of the megabiota.Competing Interest StatementThe authors have declared no competing interest.View Full Text

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