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Climate change causes upslope shifts and mountaintop extirpations in a tropical bird community

Freeman, Benjamin G. ; Scholer, Micah N. ; Ruiz-Gutierrez, Viviana ; Fitzpatrick, John W.

Proceedings of the National Academy of Sciences - PNAS, 2018-11, Vol.115 (47), p.11982-11987 [Periódico revisado por pares]

United States: National Academy of Sciences

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Título:
Climate change causes upslope shifts and mountaintop extirpations in a tropical bird community
Autor: Freeman, Benjamin G. ; Scholer, Micah N. ; Ruiz-Gutierrez, Viviana ; Fitzpatrick, John W.
Assuntos: Altitude ; Animal Distribution - physiology ; Animal Migration - physiology ; Animals ; Biodiversity ; Biological Sciences ; Birds ; Birds - physiology ; Cellular biology ; Climate Change ; Communities ; Conservation of Natural Resources ; Ecosystem ; Elevation ; Extinction ; Extinction, Biological ; Forecasting ; Homing Behavior ; Ornithology ; Peru ; Population Dynamics - trends ; Species extinction ; Temperature ; Tropical Climate ; Tropical environments
É parte de: Proceedings of the National Academy of Sciences - PNAS, 2018-11, Vol.115 (47), p.11982-11987
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Edited by Alan Hastings, University of California, Davis, CA, and approved September 27, 2018 (received for review March 9, 2018)
Author contributions: B.G.F. designed research; B.G.F., M.N.S., and J.W.F. performed research; B.G.F., M.N.S., and V.R.-G. analyzed data; and B.G.F., M.N.S., V.R.-G., and J.W.F. wrote the paper.
Descrição: Montane species worldwide are shifting upslope in response to recent temperature increases. These upslope shifts are predicted to lead to mountaintop extinctions of species that live only near mountain summits, but empirical examples of populations that have disappeared are sparse. We show that recent warming constitutes an “escalator to extinction” for birds on a remote Peruvian mountain—high-elevation species have declined in both range size and abundance, and several previously common mountaintop residents have disappeared from the local community. Our findings support projections that warming will likely drive wide-spread extirpations and extinctions of high-elevation taxa in the tropical Andes. Such climate change-driven mountaintop extirpations may be more likely in the tropics, where temperature seems to exert a stronger control on species’ range limits than in the temperate zone. In contrast, we show that lowland bird species at our study site are expanding in range size as they shift their upper limits upslope and may thus benefit from climate change.
Editor: United States: National Academy of Sciences
Idioma: Inglês

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Climate change causes upslope shifts and mountaintop extirpations in a tropical bird community

Freeman, Benjamin G. ; Scholer, Micah N. ; Ruiz-Gutierrez, Viviana ; Fitzpatrick, John W.

United States: National Academy of Sciences

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