globalchange  > 气候变化与战略
DOI: 10.1111/ele.13659
论文题名:
Diverging functional strategies but high sensitivity to an extreme drought in tropical dry forests
作者: González-M. R.; Posada J.M.; Carmona C.P.; Garzón F.; Salinas V.; Idárraga-Piedrahita Á.; Pizano C.; Avella A.; López-Camacho R.; Norden N.; Nieto J.; Medina S.P.; Rodríguez-M. G.M.; Franke-Ante R.; Torres A.M.; Jurado R.; Cuadros H.; Castaño-Naranjo A.; García H.; Salgado-Negret B.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期:3
起始页码: 451
结束页码: 463
语种: 英语
中文关键词: Biomass ; demographic rates ; hydraulic safety-efficiency trade-off ; investment in tissues ; trait probability density
英文关键词: adaptation ; biomass ; divergence ; drought ; dry forest ; extreme event ; functional change ; hydraulic property ; physiology ; sensitivity analysis ; trade-off ; tropical forest ; South America ; water ; drought ; ecosystem ; forest ; North America ; plant leaf ; tree ; tropic climate ; Droughts ; Ecosystem ; Forests ; North America ; Plant Leaves ; Trees ; Tropical Climate ; Water
英文摘要: Extreme drought events have negative effects on forest diversity and functioning. At the species level, however, these effects are still unclear, as species vary in their response to drought through specific functional trait combinations. We used long-term demographic records of 21,821 trees and extensive databases of traits to understand the responses of 338 tropical dry forests tree species to ENSO2015, the driest event in decades in Northern South America. Functional differences between species were related to the hydraulic safety-efficiency trade-off, but unexpectedly, dominant species were characterised by high investment in leaf and wood tissues regardless of their leaf phenological habit. Despite broad functional trait combinations, tree mortality was more widespread in the functional space than tree growth, where less adapted species showed more negative net biomass balances. Our results suggest that if dry conditions increase in this ecosystem, ecological functionality and biomass gain would be reduced. © 2020 The Authors. Ecology Letters published by John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166838
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作者单位: Programa Ciencias Básicas de la Biodiversidad, Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Cr. 1 # 16-20, Bogotá, Colombia; Department of Biology, Faculty of Natural Sciences, Universidad del Rosario, Cr. 24 # 63C-69, Bogotá, Colombia; Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu, 51005, Estonia; Fundación Jardín Botánico de Medellín, Herbario “Joaquín Antonio Uribe” (JAUM), Cll. 73 # 51D-14, Medellín, Colombia; Departamento de Biología, Facultad de Ciencias Naturales, Universidad Icesi, Cll. 18 # 122-135 Pance, Cali, Colombia; Facultad del Medio Ambiente y Recursos Naturales, Universidad Distrital Francisco José de Caldas, Cr. 5 Este # 15-82, Bogotá, Colombia; Fundación Ecosistemas Secos de Colombia, Cll. 5A, Bogotá, # 70C-31, Colombia; Dirección Territorial Caribe, Parques Nacionales Naturales de Colombia, Cll. 17 # 4-06, Santa Marta, Colombia; Departamento de Biología, Facultad de Ciencias, Universidad de Valle, Cll. 13 # 100-00, Cali, Colombia; Asociación GAICA, Cll. 11A # 32-21, Pasto, Colombia; Programa de Biología, Universidad del Atlántico, Km. 7 vía Puerto, Barranquilla, Colombia; Jardín Botánico del Valle del Cauca Juan María Céspedes - INCIVA, Cra. 27 #31-47, Tuluá, Colombia; Departamento de Biología, Universidad Nacional de Colombia, Bogotá, Colombia

Recommended Citation:
González-M. R.,Posada J.M.,Carmona C.P.,et al. Diverging functional strategies but high sensitivity to an extreme drought in tropical dry forests[J]. Ecology Letters,2021-01-01,24(3)
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