Hyperdominance in Amazonian forest carbon cycling

Sophie Fauset*, Michelle O. Johnson, Manuel Gloor, Timothy R. Baker, M. A Monteagudo, Roel J.W. Brienen, Ted R. Feldpausch, Gabriela Lopez-Gonzalez, Yadvinder Malhi, Steege H ter, Nigel C.A. Pitman, Christopher Baraloto, Julien Engel, Pascal Pétronelli, Ana Andrade, José Luís C. Camargo, SGW Laurance, WF Laurance, Jerôme Chave, Elodie AlliePercy Núñez Vargas, John W. Terborgh, Kalle Ruokolainen, Marcos Silveira, C. GA Aymard, Luzmila Arroyo, Damien Bonal, Hirma Ramirez-Angulo, Alejandro Araujo-Murakami, David Neill, Bruno Hérault, Aurélie Dourdain, Armando Torres-Lezama, Beatriz S. Marimon, Rafael P. Salomão, James A. Comiskey, Maxime Réjou-Méchain, Marisol Toledo, Juan Carlos Licona, Alfredo Alarcón, Adriana Prieto, Agustín Rudas, der Meer PJ van, Timothy J. Killeen, Beatriz S. Marimon, Lourens Poorter, Rene G.A. Boot, Basil Stergios, Emilio Vilanova Torre, Flávia R.C. Costa, Carolina Levis, Juliana Schietti, Priscila Souza, Nikée Groot, Eric Arets, Victor Chama Moscoso, Wendeson Castro, Euridice N.Honorio Coronado, Marielos Peña-Claros, Clement Stahl, Jorcely Barroso, Joey Talbot, ICG Vieira, der Heijden G van, Raquel Thomas, Vincent A. Vos, Everton C. Almeida, Esteban Álvarez Davila, Luiz E.O.C. Aragão, Terry L. Erwin, Paulo S. Morandi, Oliveira EA de, Marco B.X. Valadão, Roderick J. Zagt, der Hout P van, Patricia Alvarez Loayza, John J. Pipoly, Ophelia Wang, Miguel Alexiades, Carlos E. Cerón, Isau Huamantupa-Chuquimaco, Fiore A Di

*Corresponding author for this work

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Abstract

<jats:title>Abstract</jats:title> <jats:p>While Amazonian forests are extraordinarily diverse, the abundance of trees is skewed strongly towards relatively few ‘hyperdominant’ species. In addition to their diversity, Amazonian trees are a key component of the global carbon cycle, assimilating and storing more carbon than any other ecosystem on Earth. Here we ask, using a unique data set of 530 forest plots, if the functions of storing and producing woody carbon are concentrated in a small number of tree species, whether the most abundant species also dominate carbon cycling, and whether dominant species are characterized by specific functional traits. We find that dominance of forest function is even more concentrated in a few species than is dominance of tree abundance, with only ≈1% of Amazon tree species responsible for 50% of carbon storage and productivity. Although those species that contribute most to biomass and productivity are often abundant, species maximum size is also influential, while the identity and ranking of dominant species varies by function and by region.</jats:p>
Original languageEnglish
Pages (from-to)0-0
Number of pages0
JournalNature Communications
Volume6
Issue number0
Early online date28 Apr 2015
DOIs
Publication statusPublished - 3 Nov 2015

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