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Type: Artigo
Title: Compositional response of Amazon forests to climate change
Author: Esquivel-Muelbert, Adriane
Baker, Timothy R.
Dexter, Kyle G.
Lewis, Simon L.
Brienen, Roel J. W.
Feldpausch, Ted R.
Lloyd, Jon
Monteagudo-Mendoza, Abel
Arroyo, Luzmila
Alvarez-Davila, Esteban
Higuchi, Niro
Marimon, Beatriz S.
Marimon-Junior, Ben Hur
Silveira, Marcos
Vilanova, Emilio
Gloor, Emanuel
Malhi, Yadvinder
Chave, Jerome
Barlow, Jos
Bonal, Damien
Davila Cardozo, Nallaret
Erwin, Terry
Fauset, Sophie
Herault, Bruno
Laurance, Susan
Poorter, Lourens
Qie, Lan
Stahl, Clement
Sullivan, Martin J. P.
ter Steege, Hans
Vos, Vincent Antoine
Zuidema, Pieter A.
Almeida, Everton
Almeida de Oliveira, Edmar
Andrade, Ana
Vieira, Simone Aparecida
Aragao, Luiz
Araujo-Murakami, Alejandro
Arets, Eric
Aymard C, Gerardo A.
Baraloto, Christopher
Camargo, Plinio Barbosa
Barroso, Jorcely G.
Bongers, Frans
Boot, Rene
Camargo, Jose Luis
Castro, Wendeson
Chama Moscoso, Victor
Comiskey, James
Cornejo Valverde, Fernando
Lola da Costa, Antonio Carlos
del Aguila Pasquel, Jhon
Di Fiore, Anthony
Fernanda Duque, Luisa
Elias, Fernando
Engel, Julien
Flores Llampazo, Gerardo
Galbraith, David
Herrera Fernandez, Rafael
Honorio Coronado, Euridice
Hubau, Wannes
Jimenez-Rojas, Eliana
Lima, Adriano Jose Nogueira
Umetsu, Ricardo Keichi
Laurance, William
Lopez-Gonzalez, Gabriela
Lovejoy, Thomas
Aurelio Melo Cruz, Omar
Morandi, Paulo S.
Neill, David
Nunez Vargas, Percy
Pallqui Camacho, Nadir C.
Parada Gutierrez, Alexander
Pardo, Guido
Peacock, Julie
Pena-Claros, Marielos
Penuela-Mora, Maria Cristina
Petronelli, Pascal
Pickavance, Georgia C.
Pitman, Nigel
Prieto, Adriana
Quesada, Carlos
Ramirez-Angulo, Hirma
Rejou-Mechain, Maxime
Restrepo Correa, Zorayda
Roopsind, Anand
Rudas, Agustin
Salomao, Rafael
Silva, Natalino
Silva Espejo, Javier
Singh, James
Stropp, Juliana
Terborgh, John
Thomas, Raquel
Toledo, Marisol
Torres-Lezama, Armando
Valenzuela Gamarra, Luis
van de Meer, Peter J.
van der Heijden, Geertje
van der Hout, Peter
Vasquez Martinez, Rodolfo
Vela, Cesar
Vieira, Ima Celia Guimaraes
Phillips, Oliver L.
Abstract: Most of the planet's diversity is concentrated in the tropics, which includes many regions undergoing rapid climate change. Yet, while climate-induced biodiversity changes are widely documented elsewhere, few studies have addressed this issue for lowland tropical ecosystems. Here we investigate whether the floristic and functional composition of intact lowland Amazonian forests have been changing by evaluating records from 106 long-term inventory plots spanning 30 years. We analyse three traits that have been hypothesized to respond to different environmental drivers (increase in moisture stress and atmospheric CO2 concentrations): maximum tree size, biogeographic water-deficit affiliation and wood density. Tree communities have become increasingly dominated by large-statured taxa, but to date there has been no detectable change in mean wood density or water deficit affiliation at the community level, despite most forest plots having experienced an intensification of the dry season. However, among newly recruited trees, dry-affiliated genera have become more abundant, while the mortality of wet-affiliated genera has increased in those plots where the dry season has intensified most. Thus, a slow shift to a more dry-affiliated Amazonia is underway, with changes in compositional dynamics (recruits and mortality) consistent with climate-change drivers, but yet to significantly impact whole-community composition. The Amazon observational record suggests that the increase in atmospheric CO2 is driving a shift within tree communities to large-statured species and that climate changes to date will impact forest composition, but long generation times of tropical trees mean that biodiversity change is lagging behind climate change
Subject: Florestas tropicais
Country: Reino Unido
Editor: Wiley
Rights: Fechado
Identifier DOI: 10.1111/gcb.14413
Date Issue: 2019
Appears in Collections:NEPAM - Artigos e Outros Documentos

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