Sensitivity of South American tropical forests to an extreme climate anomaly

Bennett Amy C., Rodrigues de Sousa Thaiane, Monteagudo-Mendoza Abel, Esquivel-Muelbert Adriane, Morandi Paulo, Coelho de Souza Fernanda, Castro Wendeson, Duque Luisa Fernanda, Flores Llampazo Gerardo, dos Santos Rubens Manoel, Ramos Elianna, Vilanova Torre Emilio, Álvarez-Dávila Esteban, Baker Timothy R., Costa Flávia R.C, Lewis Simon L., Marimon Beatriz Schwantes, Schietti Juliana, Burban Benoit, Berenguer Erika, Araujo-Murakami Alejandro, Restrepo Correa Zorayda, Lopez Wilmar, Delgado Santana Flávia, Viscarra Laura Jessica, Elias Fernando, Vásquez Martinez Rodolfo, Marimon-Junior Ben Hur, Galbraith David, Sullivan Martin J. P., Emilio Thaise, Prestes Nayane C. C. S., Barlow Jos, Alencar Fagundes Nathalle Cristine, Almeida de Oliveira Edmar, Alvarez Loayza Patricia, Alves Luciana F., Aparecida Vieira Simone, Andrade Maia Vinícius, Aragao Luiz E.O.C., Arets Eric, Arroyo Luzmila, Banki Olaf, Baraloto Christopher, Barbosa Camargo Plínio, Barroso Jorcely G., Bento da Silva Wilder, Bonal Damien, Borges Miranda Santos Alisson, Brienen Roel, Brown Foster, Castilho Carolina V., Cerruto Ribeiro Sabina, Chama Moscoso Victor, Chavez Ezequiel, Comiskey James A., Cornejo Valverde Fernando, Davila Cardozo Nallaret, de Aguiar-Campos Natália, de Oliveira Melo Lia, del Aguila Pasquel Jhon, Derroire Géraldine, Disney Mathias, do Socorro Maria, Dourdain Aurélie, Feldpausch Ted R., Ferreira Joice Nunes, Forni Martins Valeria, Gardner Toby, Gloor Emanuel, Gutierrez Sibauty Gloria, Guillen René, Hase Eduardo, Herault Bruno, et al.. 2023. Sensitivity of South American tropical forests to an extreme climate anomaly. Nature Climate Change, 13 (9) : 967-974.

Résumé : The tropical forest carbon sink is known to be drought sensitive, but it is unclear which forests are the most vulnerable to extreme events. Forests with hotter and drier baseline conditions may be protected by prior adaptation, or more vulnerable because they operate closer to physiological limits. Here we report that forests in drier South American climates experienced the greatest impacts of the 2015–2016 El Niño, indicating greater vulnerability to extreme temperatures and drought. The long-term, ground-measured tree-by-tree responses of 123 forest plots across tropical South America show that the biomass carbon sink ceased during the event with carbon balance becoming indistinguishable from zero (−0.02 ± 0.37 Mg C ha−1 per year). However, intact tropical South American forests overall were no more sensitive to the extreme 2015–2016 El Niño than to previous less intense events, remaining a key defence against climate change as long as they are protected.

Mots-clés Agrovoc : écologie forestière, événements météorologiques extrêmes, forêt tropicale, accident climatique, dégradation des forêts, perturbation de l'écosystème

Mots-clés géographiques Agrovoc : Amérique du Sud

Mots-clés libres : Climate-change ecology, Ecosystem ecology, Forest ecology, Tropical ecology

Classification Agris : P40 - Météorologie et climatologie
K70 - Dégâts causés aux forêts et leur protection
F40 - Écologie végétale

Champ stratégique Cirad : CTS 6 (2019-) - Changement climatique

Auteurs et affiliations

• Bennett Amy C., University of Leeds (GBR) - auteur correspondant
• Rodrigues de Sousa Thaiane, INPA (BRA)
• Monteagudo-Mendoza Abel, Jardin Botanico de Missouri (PER)
• Esquivel-Muelbert Adriane, University of Birmingham (GBR)
• Morandi Paulo, UNEMAT (BRA)
• Coelho de Souza Fernanda, UNB [Universidade de Brasilia] (BRA)
• Castro Wendeson, UFAC (BRA)
• Duque Luisa Fernanda, Fundación con Vida (COL)
• Flores Llampazo Gerardo, UNJBG (PER)
• dos Santos Rubens Manoel, UFLA (BRA)
• Ramos Elianna, Instituto Nacional da Mata Atlântica (BRA)
• Vilanova Torre Emilio, ULA (VEN)
• Álvarez-Dávila Esteban, Open and Distance National University (COL)
• Baker Timothy R., University of Leeds (GBR)
• Costa Flávia R.C, INPA (BRA)
• Lewis Simon L., University College London (GBR)
• Marimon Beatriz Schwantes, UNEMAT (BRA)
• Schietti Juliana, UFAM (BRA)
• Burban Benoit, INRAE (FRA)
• Berenguer Erika, University of Oxford (GBR)
• Araujo-Murakami Alejandro, Museo de Historia Natural Noel Kempff Mercado (BOL)
• Restrepo Correa Zorayda, Fundación con Vida (COL)
• Lopez Wilmar, Universidad Nacional de Colombia (COL)
• Delgado Santana Flávia, INPA (BRA)
• Viscarra Laura Jessica, Museo de Historia Natural Noel Kempff Mercado (BOL)
• Elias Fernando, UFPA (BRA)
• Vásquez Martinez Rodolfo, Jardin Botanico de Missouri (PER)
• Marimon-Junior Ben Hur, UNEMAT (BRA)
• Galbraith David, University of Leeds (GBR)
• Sullivan Martin J. P., MMU (GBR)
• Emilio Thaise, UNICAMP (BRA)
• Prestes Nayane C. C. S., UNEMAT (BRA)
• Barlow Jos, Lancaster University (GBR)
• Alencar Fagundes Nathalle Cristine, UFLA (BRA)
• Almeida de Oliveira Edmar, UNEMAT (BRA)
• Alvarez Loayza Patricia, Duke University (USA)
• Alves Luciana F., UC (USA)
• Aparecida Vieira Simone, UNICAMP (BRA)
• Andrade Maia Vinícius, UFLA (BRA)
• Aragao Luiz E.O.C., INPE (BRA)
• Arets Eric, Wageningen University and Research Centre (NLD)
• Arroyo Luzmila, UAGRM (BOL)
• Banki Olaf, Naturalis Biodiversity Center (NLD)
• Baraloto Christopher, Florida International University (USA)
• Barbosa Camargo Plínio, USP (BRA)
• Barroso Jorcely G., UFAC (BRA)
• Bento da Silva Wilder, UFLA (BRA)
• Bonal Damien, Université de Lorraine (FRA)
• Borges Miranda Santos Alisson, UFLA (BRA)
• Brienen Roel, University of Leeds (GBR)
• Brown Foster, WHRC (USA)
• Castilho Carolina V., EMBRAPA (BRA)
• Cerruto Ribeiro Sabina, UFAC (BRA)
• Chama Moscoso Victor, Jardin Botanico de Missouri (PER)
• Chavez Ezequiel, Museo de Historia Natural Noel Kempff Mercado (BOL)
• Comiskey James A., National Park Service (USA)
• Cornejo Valverde Fernando, Proyecto Castaña (PER)
• Davila Cardozo Nallaret, Universidad Nacional de la Amazonia Peruana (PER)
• de Aguiar-Campos Natália, UFLA (BRA)
• de Oliveira Melo Lia, Universidade Federal do Oeste do Pará (BRA)
• del Aguila Pasquel Jhon, IIAP (PER)
• Derroire Géraldine, CIRAD-ES-UMR Ecofog (GUF) ORCID: 0000-0001-7239-2881
• Disney Mathias, University College London (GBR)
• do Socorro Maria
• Dourdain Aurélie, CIRAD-ES-UMR Ecofog (GUF) ORCID: 0000-0002-6847-0434
• Feldpausch Ted R., University of Exeter (GBR)
• Ferreira Joice Nunes, EMBRAPA (BRA)
• Forni Martins Valeria, UNICAMP (BRA)
• Gardner Toby, Stockholm Environment Institute (SWE)
• Gloor Emanuel, University of Leeds (GBR)
• Gutierrez Sibauty Gloria, Jardin Botanico Municipal de Santa Cruz (BOL)
• Guillen René, Parque Nacional y Área Natural de Manejo Integrado ‘Kaa-iya del Gran Chaco’ (BOL)
• Hase Eduardo, INPA (BRA)
• Herault Bruno, CIRAD-ES-UPR Forêts et sociétés (FRA) ORCID: 0000-0002-6950-7286
• et al.

Source : Cirad-Agritrop (https://agritrop.cirad.fr/606252/)

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