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2 results on '"Lopez-Gonzalez, Gabriela"'

1. Fast demographic traits promote high diversification rates of Amazonian trees.

Author

Baker TR, Pennington RT, Magallon S, Gloor E, Laurance WF, Alexiades M, Alvarez E, Araujo A, Arets EJ, Aymard G, de Oliveira AA, Amaral I, Arroyo L, Bonal D, Brienen RJ, Chave J, Dexter KG, Di Fiore A, Eler E, Feldpausch TR, Ferreira L, Lopez-Gonzalez G, van der Heijden G, Higuchi N, Honorio E, Huamantupa I, Killeen TJ, Laurance S, Leaño C, Lewis SL, Malhi Y, Marimon BS, Marimon Junior BH, Monteagudo Mendoza A, Neill D, Peñuela-Mora MC, Pitman N, Prieto A, Quesada CA, Ramírez F, Ramírez Angulo H, Rudas A, Ruschel AR, Salomão RP, de Andrade AS, Silva JN, Silveira M, Simon MF, Spironello W, ter Steege H, Terborgh J, Toledo M, Torres-Lezama A, Vasquez R, Vieira IC, Vilanova E, Vos VA, and Phillips OL

Subjects
South America, Tropical Climate, Biodiversity, Models, Biological, Trees physiology
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., (© 2014 The Authors. Ecology Letters published by John Wiley & Sons Ltd and CNRS.)

Published
2014
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2. Hyperdominance in the Amazonian tree flora.

Author

ter Steege H, Pitman NC, Sabatier D, Baraloto C, Salomão RP, Guevara JE, Phillips OL, Castilho CV, Magnusson WE, Molino JF, Monteagudo A, Núñez Vargas P, Montero JC, Feldpausch TR, Coronado EN, Killeen TJ, Mostacedo B, Vasquez R, Assis RL, Terborgh J, Wittmann F, Andrade A, Laurance WF, Laurance SG, Marimon BS, Marimon BH Jr, Guimarães Vieira IC, Amaral IL, Brienen R, Castellanos H, Cárdenas López D, Duivenvoorden JF, Mogollón HF, Matos FD, Dávila N, García-Villacorta R, Stevenson Diaz PR, Costa F, Emilio T, Levis C, Schietti J, Souza P, Alonso A, Dallmeier F, Montoya AJ, Fernandez Piedade MT, Araujo-Murakami A, Arroyo L, Gribel R, Fine PV, Peres CA, Toledo M, Aymard C GA, Baker TR, Cerón C, Engel J, Henkel TW, Maas P, Petronelli P, Stropp J, Zartman CE, Daly D, Neill D, Silveira M, Paredes MR, Chave J, Lima Filho Dde A, Jørgensen PM, Fuentes A, Schöngart J, Cornejo Valverde F, Di Fiore A, Jimenez EM, Peñuela Mora MC, Phillips JF, Rivas G, van Andel TR, von Hildebrand P, Hoffman B, Zent EL, Malhi Y, Prieto A, Rudas A, Ruschell AR, Silva N, Vos V, Zent S, Oliveira AA, Schutz AC, Gonzales T, Trindade Nascimento M, Ramirez-Angulo H, Sierra R, Tirado M, Umaña Medina MN, van der Heijden G, Vela CI, Vilanova Torre E, Vriesendorp C, Wang O, Young KR, Baider C, Balslev H, Ferreira C, Mesones I, Torres-Lezama A, Urrego Giraldo LE, Zagt R, Alexiades MN, Hernandez L, Huamantupa-Chuquimaco I, Milliken W, Palacios Cuenca W, Pauletto D, Valderrama Sandoval E, Valenzuela Gamarra L, Dexter KG, Feeley K, Lopez-Gonzalez G, and Silman MR

Subjects
Models, Biological, Population, South America, Biodiversity, Rivers, Trees classification, Trees physiology
Abstract

The vast extent of the Amazon Basin has historically restricted the study of its tree communities to the local and regional scales. Here, we provide empirical data on the commonness, rarity, and richness of lowland tree species across the entire Amazon Basin and Guiana Shield (Amazonia), collected in 1170 tree plots in all major forest types. Extrapolations suggest that Amazonia harbors roughly 16,000 tree species, of which just 227 (1.4%) account for half of all trees. Most of these are habitat specialists and only dominant in one or two regions of the basin. We discuss some implications of the finding that a small group of species--less diverse than the North American tree flora--accounts for half of the world's most diverse tree community.

Published
2013
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