T
T
T
Treesearch

Pantropical tree rings show small effects of drought on stem growth

Formally Refereed
Download (PDF 2.24 MB): https://research.fs.usda.gov/download/treesearch/69525.pdf

Abstract

Increasing drought pressure under anthropogenic climate change may jeopardize the potential of tropical forests to capture carbon in woody biomass and act as a long-term carbon dioxide sink. To evaluate this risk, we assessed drought impacts in 483 tree-ring chronologies from across the tropics and found an overall modest stem growth decline (2.5% with a 95% confidence interval of 2.2 to 2.7%) during the 10% driest years since 1930. Stem growth declines exceeded 10% in 25% of cases and were larger at hotter and drier sites and for gymnosperms compared with angiosperms. Growth declines generally did not outlast drought years and were partially mitigated by growth stimulation in wet years. Thus, pantropical forest carbon sequestration through stem growth has hitherto shown drought resilience that may, however, diminish under future climate change.

Citation

Zuidema, Pieter A.; Groenendijk, Peter; Rahman, Mizanur; Trouet, Valerie; Abiyu, Abrham; Acuña-Soto, Rodolfo; Adenesky-Filho, Eduardo; Alfaro-Sánchez, Raquel; Anholetto, Claudio Roberto; Aragão, José Roberto Vieira; Assis-Pereira, Gabriel; Astudillo-Sánchez, Claudia C.; Barbosa, Ana Carolina; Battipaglia, Giovanna; Beeckman, Hans; Botosso, Paulo Cesar; Bourland, Nils; Bräuning, Achim; Brienen, Roel; Brookhouse, Matthew; Buajan, Supaporn; Buckley, Brendan M.; Camarero, J. Julio; Carrillo-Parra, Artemio; Ceccantini, Gregório; Centeno-Erguera, Librado R.; Cerano-Paredes, Julián; Cervantes-Martínez, Rosalinda; Chanthorn, Wirong; Chen, Ya-Jun; Cintra, Bruno Barçante Ladvocat; Cornejo-Oviedo, Eladio Heriberto; Cortés-Cortés, Otoniel; Costa, Clayane Matos; Couralet, Camille; Crispín-De-La-Cruz, Doris Bianca; D’arrigo, Rosanne; David, Diego A.; De Ridder, Maaike; Del Valle, Jorge Ignacio; Dobner, Mário; Doucet, Jean-Louis; Dünisch, Oliver; Enquist, Brian J.; Esemann-Quadros, Karin; Esquivel-Arriaga, Gerardo; Fan, Ze-Xin; Fayolle, Adeline; Fenilli, Tatiele Anete Bergamo; Ferrero, M. Eugenia; Fichtler, Esther; Finnegan, Patrick M.; Fontana, Claudia; Francisco, Kainana S.; Fu, Pei-Li; Galvão, Franklin; Gebrekirstos, Aster; Giraldo, Jorge A.; Gloor, Emanuel; Godoy-Veiga, Milena; Granato-Souza, Daniela; Guerra, Anthony; Haneca, Kristof; Harley, Grant Logan; Heinrich, Ingo; Helle, Gerhard; Hornink, Bruna; Hubau, Wannes; Inga, Janet G.; Islam, Mahmuda; Jiang, Yu-Mei; Kaib, Mark; Khamisi, Zakia Hassan; Koprowski, Marcin; Layme, Eva; Leffler, A. Joshua; Ligot, Gauthier; Lisi, Claudio Sergio; Loader, Neil J.; Lobo, Francisco De Almeida; Locosselli, Giuliano Maselli; Longhi-Santos, Tomaz; Lopez, Lidio; López-Hernández, María I.; Lousada, José Luís Penetra Cerveira; Manzanedo, Rubén D.; Marcon, Amanda K.; Maxwell, Justin T.; Mendoza-Villa, Omar N.; Nunes Menezes, Ítallo Romany; Mokria, Mulugeta; Montóia, Valdinez Ribeiro; Moors, Eddy; Moreno, Miyer; Muñiz-Castro, Miguel Angel; Nabais, Cristina; Nathalang, Anuttara; Ngoma, Justine; Nogueira, Francisco De Carvalho; Oliveira, Juliano Morales; Olmedo, Gabriela Morais; Ortega-Rodriguez, Daigard Ricardo; Rodríguez Ortíz, Carmen Eugenia; Pagotto, Mariana Alves; Panthi, Shankar; Paredes-Villanueva, Kathelyn; Pérez-de-Lis, Gonzalo; Calderón, Laura Patricia Ponce; Portal-Cahuana, Leif Armando; Pucha-Cofrep, Darwin Alexander; Pumijumnong, Nathsuda; Quadri, Paulo; Ramírez, Jorge Andrés; Requena-Rojas, Edilson Jimmy; Reyes-Flores, Judith; Ribeiro, Adauto de Souza; Robertson, Iain; Roig, Fidel Alejandro; Roquette, José Guilherme; Rubio-Camacho, Ernesto Alonso; Sánchez-Salguero, Raúl; Sass-Klaassen, Ute; Schöngart, Jochen; Scipioni, Marcelo Callegari; Sheppard, Paul R.; Silva, Lucas C.R.; Slotta, Franziska; Soria-Díaz, Leroy; Sousa, Luciana K.V.S.; Speer, James H.; Therrell, Matthew D.; Ticse-Otarola, Ginette; Tomazello-Filho, Mario; Torbenson, Max C.A.; Tor-Ngern, Pantana; Touchan, Ramzi; Van den Bulcke, Jan; Vázquez-Selem, Lorenzo; Velázquez-Pérez, Adín H.; Venegas-González, Alejandro; Villalba, Ricardo; Villanueva-Diaz, Jose; Vlam, Mart; Vourlitis, George; Wehenkel, Christian; Wils, Tommy; Zavaleta, Erika S.; Zewdu, Eshetu Asfaw; Zhang, Yong-Jiang; Zhou, Zhe-Kun; Babst, Flurin. 2025. Pantropical tree rings show small effects of drought on stem growth. Science. 389(6759): 532-538. https://doi.org/10.1126/science.adq6607.
Citations