Distance sampling surveys reveal 17 million vertebrates directly killed by the 2020’s wildfires in the Pantanal, Brazil

Anthropogenic factors have significantly influenced the frequency, duration, and intensity of meteorological drought in many regions of the globe, and the increased frequency of wildfires is among the most visible consequences of human-induced climate change. Despite the fire role in determining bio...

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Vydané v:Scientific reports Ročník 11; číslo 1; s. 23547 - 8
Hlavní autori: Tomas, Walfrido Moraes, Berlinck, Christian Niel, Chiaravalloti, Rafael Morais, Faggioni, Gabriel Paganini, Strüssmann, Christine, Libonati, Renata, Abrahão, Carlos Roberto, do Valle Alvarenga, Gabriela, de Faria Bacellar, Ana Elisa, de Queiroz Batista, Flávia Regina, Bornato, Thainan Silva, Camilo, André Restel, Castedo, Judite, Fernando, Adriana Maria Espinóza, de Freitas, Gabriel Oliveira, Garcia, Carolina Martins, Gonçalves, Henrique Santos, de Freitas Guilherme, Mariella Butti, Layme, Viviane Maria Guedes, Lustosa, Ana Paula Gomes, De Oliveira, Ailton Carneiro, da Rosa Oliveira, Maxwell, de Matos Martins Pereira, Alexandre, Rodrigues, Julia Abrantes, Semedo, Thiago Borges Fernandes, de Souza, Rafael Augusto Ducel, Tortato, Fernando Rodrigo, Viana, Diego Francis Passos, Vicente-Silva, Luciana, Morato, Ronaldo
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: London Nature Publishing Group UK 16.12.2021
Nature Publishing Group
Nature Portfolio
Predmet:
631/158/2465
631/158/4016
631/158/670
Anthropogenic factors
Biodiversity
Burning
Climate change
Drought
Ecosystem services
Ecosystems
Humanities and Social Sciences
multidisciplinary
Sampling
Savannahs
Science
Science (multidisciplinary)
Vertebrates
Wildfires
Wildlife
Brazil
ISSN:2045-2322, 2045-2322
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Shrnutí:Anthropogenic factors have significantly influenced the frequency, duration, and intensity of meteorological drought in many regions of the globe, and the increased frequency of wildfires is among the most visible consequences of human-induced climate change. Despite the fire role in determining biodiversity outcomes in different ecosystems, wildfires can cause negative impacts on wildlife. We conducted ground surveys along line transects to estimate the first-order impact of the 2020 wildfires on vertebrates in the Pantanal wetland, Brazil. We adopted the distance sampling technique to estimate the densities and the number of dead vertebrates in the 39,030 square kilometers affected by fire. Our estimates indicate that at least 16.952 million vertebrates were killed immediately by the fires in the Pantanal, demonstrating the impact of such an event in wet savanna ecosystems. The Pantanal case also reminds us that the cumulative impact of widespread burning would be catastrophic, as fire recurrence may lead to the impoverishment of ecosystems and the disruption of their functioning. To overcome this unsustainable scenario, it is necessary to establish proper biomass fuel management to avoid cumulative impacts caused by fire over biodiversity and ecosystem services.
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ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-02844-5