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Seasonal drought limits tree species across the Neotropics

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Esquivel-Muelbert, Adriane, Baker, Timothy R., Dexter, Kyle, Lewis, Simon L., Steege, Hans ter, López González, Gabriela, Monteagudo Mendoza, Abel, Brienen, Roel J. W., Feldpausch, Ted R., Pitman, Nigel, Alonso, Alfonso, Heijden, Geertje van der, Peña-Claros, Marielos, Ahuite, Manuel, Alexiaides, Miguel, Álvarez Dávila, Esteban, Murakami, Alejandro Araujo, Arroyo, Luzmila, Aulestia, Milton, Balslev, Henrik, Barroso, Jorcely, Boot, Rene, Cano, Angela, Chama Moscoso, Victor, Comiskey, James A., Cornejo, Fernando, Dallmeier, Francisco, Daly, Douglas C., Dávila Cardozo, Nállarett, Duivenvoorden, Joost F., Duque Montoya, Alvaro Javier, Erwin, Terry, Di Fiore, Anthony, Fredericksen, Todd, Fuentes, Alfredo, García Villacorta, Roosevelt, Gonzales, Therany, Guevara Andino, Juan Ernesto, Honorio Coronado, Eurídice, Huamantupa Chuquimaco, Isau, Killeen Timothy J., Yadvinder Malhi, Mendoza Casimiro, Hugo Mogollón, Jørgensen, Peter Møller, Montero, Juan Carlos, Mostacedo, Bonifacio, Nauray, William, Neill, David, Núñez Vargas, Percy, Palacios, Sonia, Palacios Cuenca, Walter, Pallqui Camacho, Nadir Carolina, Peacock, Julie, Phillips, Juan Fernando, Pickavance, Georgia, Quesada, Carlos Alberto, Ramírez-Angulo, Hirma, Restrepo, Zorayda, Reynel Rodríguez, Carlos, Ríos Paredes, Marcos, Sierra, Rodrigo, Silveira, Marcos, Stevenson, Pablo, Stropp, Juliana, Terborgh, John, Tirado, Miltón, Toledo, Marisol, Torres-Lezama, Armando, Umaña, María Natalia, Urrego, Ligia Estela, Vásquez Martínez, Rodolfo, Valenzuela Gamarra, Luis, Vela, César I. A., Vilanova Torre, Emilio, Vos, Vincent, Hildebrand, Patricio von, Vriesendorp, Corine, Wang, Ophelia, Young, Kenneth R., Zartman, Charles Eugene, Phillips, Oliver L., Peñuela-Mora, Maria Cristina

Publicado 2016

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Within the tropics, the species richness of tree communities is strongly and positively associated with precipitation. Previous research has suggested that this macroecological pattern is driven by the negative effect of water‐stress on the physiological processes of most tree species. This implies that the range limits of taxa are defined by their ability to occur under dry conditions, and thus in terms of species distributions predicts a nested pattern of taxa distribution from wet to dry areas. However, this ‘dry‐tolerance’ hypothesis has yet to be adequately tested at large spatial and taxonomic scales. Here, using a dataset of 531 inventory plots of closed canopy forest distributed across the western Neotropics we investigated how precipitation, evaluated both as mean annual precipitation and as the maximum climatological water deficit, influences the distribution of tropica...