A catastrophic tropical drought kills hydraulically vulnerable tree species

© 2020 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 26(2020), 5 vom: 06. Mai, Seite 3122-3133
1. Verfasser: Powers, Jennifer S (VerfasserIn)
Weitere Verfasser: Vargas G, German, Brodribb, Timothy J, Schwartz, Naomi B, Pérez-Aviles, Daniel, Smith-Martin, Chris M, Becknell, Justin M, Aureli, Filippo, Blanco, Roger, Calderón-Morales, Erick, Calvo-Alvarado, Julio C, Calvo-Obando, Ana Julieta, Chavarría, María Marta, Carvajal-Vanegas, Dorian, Jiménez-Rodríguez, César D, Murillo Chacon, Evin, Schaffner, Colleen M, Werden, Leland K, Xu, Xiangtao, Medvigy, David
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article extreme drought hydraulic traits rainfall seasonality tree mortality
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520 |a Drought-related tree mortality is now a widespread phenomenon predicted to increase in magnitude with climate change. However, the patterns of which species and trees are most vulnerable to drought, and the underlying mechanisms have remained elusive, in part due to the lack of relevant data and difficulty of predicting the location of catastrophic drought years in advance. We used long-term demographic records and extensive databases of functional traits and distribution patterns to understand the responses of 20-53 species to an extreme drought in a seasonally dry tropical forest in Costa Rica, which occurred during the 2015 El Niño Southern Oscillation event. Overall, species-specific mortality rates during the drought ranged from 0% to 34%, and varied little as a function of tree size. By contrast, hydraulic safety margins correlated well with probability of mortality among species, while morphological or leaf economics spectrum traits did not. This firmly suggests hydraulic traits as targets for future research 
650 4 |a Journal Article 
650 4 |a extreme drought 
650 4 |a hydraulic traits 
650 4 |a rainfall seasonality 
650 4 |a tree mortality 
700 1 |a Vargas G, German  |e verfasserin  |4 aut 
700 1 |a Brodribb, Timothy J  |e verfasserin  |4 aut 
700 1 |a Schwartz, Naomi B  |e verfasserin  |4 aut 
700 1 |a Pérez-Aviles, Daniel  |e verfasserin  |4 aut 
700 1 |a Smith-Martin, Chris M  |e verfasserin  |4 aut 
700 1 |a Becknell, Justin M  |e verfasserin  |4 aut 
700 1 |a Aureli, Filippo  |e verfasserin  |4 aut 
700 1 |a Blanco, Roger  |e verfasserin  |4 aut 
700 1 |a Calderón-Morales, Erick  |e verfasserin  |4 aut 
700 1 |a Calvo-Alvarado, Julio C  |e verfasserin  |4 aut 
700 1 |a Calvo-Obando, Ana Julieta  |e verfasserin  |4 aut 
700 1 |a Chavarría, María Marta  |e verfasserin  |4 aut 
700 1 |a Carvajal-Vanegas, Dorian  |e verfasserin  |4 aut 
700 1 |a Jiménez-Rodríguez, César D  |e verfasserin  |4 aut 
700 1 |a Murillo Chacon, Evin  |e verfasserin  |4 aut 
700 1 |a Schaffner, Colleen M  |e verfasserin  |4 aut 
700 1 |a Werden, Leland K  |e verfasserin  |4 aut 
700 1 |a Xu, Xiangtao  |e verfasserin  |4 aut 
700 1 |a Medvigy, David  |e verfasserin  |4 aut 
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