Biogeosciences
Biogeosciences
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Articles | Volume 22, issue 15
Articles | Volume 22, issue 15
https://doi.org/10.5194/bg-22-3949-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-22-3949-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 15
Research article
 | 
14 Aug 2025
Research article |  | 14 Aug 2025

Sensitivity of tropical woodland savannas to El Niño droughts

Simone Matias Reis, Yadvinder Malhi, Ben Hur Marimon Junior, Beatriz Schwantes Marimon, Huanyuan Zhang-Zheng, Igor Araújo, Renata Freitag, Edmar Almeida de Oliveira, Karine da Silva Peixoto, Luciana Januário de Souza, Ediméia Laura Souza da Silva, Eduarda Bernardes Santos, Kamila Parreira da Silva, Maélly Dállet Alves Gonçalves, Cécile Girardin, Cecilia Dahlsjö, Oliver L. Phillips, and Imma Oliveras Menor

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Latest update: 30 Apr 2026
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Short summary
The 2015–2016 El Niño caused severe droughts in tropical forests, but its impact on the Cerrado, Brazil's largest savanna, was unclear. Our study tracked the productivity of two key Cerrado vegetation types over 5 years. Before the El Niño, productivity was higher in the transitional forest–savanna, but it dropped sharply during the event. Meanwhile, the savanna showed minor changes. These findings suggest that transitional ecosystems are particularly vulnerable to drought and climate change.
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