Fast demographic traits promote high diversification rates of Amazonian trees

Timothy R. Baker 1, * R. Toby Pennington 2 Susan Magallon 3 Emanuel Gloor 1 William F. Laurance 4 Miguel Alexiades 5 Esteban Alvarez 6 Alejandro Araujo 7 Eric J. M. M. Arets 8 Gerardo Aymard 9 Atila Alves De Oliveira 10 Iêda Amaral 10 Luzmila Arroyo 7 Damien Bonal 11 Roel J. W. Brienen 1 Jerome Chave 12 Kyle G. Dexter 13, 2 Anthony Di Fiore 14 Eduardo Eler 10 Ted R. Feldpausch 1 Leandro Ferreira 15 Gabriela Lopez-Gonzalez 1 Geertje Van Der Heijden 16, 17 Niro Higuchi 18 Eurídice Honorio 19, 1 Isau Huamantupa 20 Tim J. Killeen 21 Susan Laurance 4 Claudio Leaño 22 Simon L. Lewis 23, 1 Yadvinder Malhi 24 Beatriz Schwantes Marimon 25 Ben Hur Marimon Junior 25 Abel Monteagudo Mendoza 26 David Neill 27 Maria Cristina Peñuela-Mora 28 Nigel Pitman 29 Adriana Prieto 28 Carlos A. Quesada 18 Fredy Ramírez 19 Hirma Ramírez Angulo 30 Agustin Rudas 28 Ademir R. Ruschel 31 Rafael P. Salomão 15 Ana Segalin De Andrade 18 J. Natalino M. Silva 32 Marcos Silveira 33 Marcelo F. Simon 34 Wilson Spironello 10 Hans Ter Steege 35, 36 John Terborgh 29 Marisol Toledo 22 Armando Torres-Lezama 30 Rodolfo Vasquez 26 Ima Célia Guimarães Vieira 15 Emilio Vilanova 30 Vincent A. Vos 37 Oliver L. Phillips 1 John Wiens
* Auteur correspondant
Abstract : The Amazon rain forest sustains the world's highest tree diversity, but it remains unclear why some clades of trees are hyperdiverse, whereas others are not. Using dated phylogenies, estimates of current species richness and trait and demographic data from a large network of forest plots, we show that fast demographic traits - short turnover times - are associated with high diversification rates across 51 clades of canopy trees. This relationship is robust to assuming that diversification rates are either constant or decline over time, and occurs in a wide range of Neotropical tree lineages. This finding reveals the crucial role of intrinsic, ecological variation among clades for understanding the origin of the remarkable diversity of Amazonian trees and forests.
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Article dans une revue
Ecology Letters, Wiley, 2014, 17 (5), pp.527 - 536. 〈10.1111/ele.12252〉
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Timothy R. Baker, R. Toby Pennington, Susan Magallon, Emanuel Gloor, William F. Laurance, et al.. Fast demographic traits promote high diversification rates of Amazonian trees. Ecology Letters, Wiley, 2014, 17 (5), pp.527 - 536. 〈10.1111/ele.12252〉. 〈hal-01555612〉

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