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  1. AU="Gabriela Lopez‐Gonzalez"
  2. AU="South, Andrew M."
  3. AU="Skei, Sigmund"
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  5. AU="McKee, Mary"
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  19. AU="Warkaye, Samson"
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Artikel: Seasonal drought limits tree species across the Neotropics

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

Ecography. 2017 May, v. 40, no. 5

2017  

Abstract: 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 ... ...

Abstract 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 tropical tree species, genera and families. We find that the distributions of tree taxa are indeed nested along precipitation gradients in the western Neotropics. Taxa tolerant to seasonal drought are disproportionally widespread across the precipitation gradient, with most reaching even the wettest climates sampled; however, most taxa analysed are restricted to wet areas. Our results suggest that the ‘dry tolerance' hypothesis has broad applicability in the world's most species‐rich forests. In addition, the large number of species restricted to wetter conditions strongly indicates that an increased frequency of drought could severely threaten biodiversity in this region. Overall, this study establishes a baseline for exploring how tropical forest tree composition may change in response to current and future environmental changes in this region.
Schlagwörter atmospheric precipitation ; data collection ; drought ; forest trees ; inventories ; Neotropics ; species diversity ; tropical forests ; water stress
Sprache Englisch
Erscheinungsverlauf 2017-05
Umfang p. 618-629.
Erscheinungsort Blackwell Publishing Ltd
Dokumenttyp Artikel
Anmerkung JOURNAL ARTICLE
ZDB-ID 1112659-0
ISSN 0906-7590
ISSN 0906-7590
DOI 10.1111/ecog.01904
Signatur
Z 7666: Hefte anzeigen
Datenquelle NAL Katalog (AGRICOLA)

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