Cátia Nunes da Cunha

Climatic and Hydrological Changes Drive Contemporary Fire Regime Transitions in the World's Largest Wetland

Lucas Barros‐Rosa, Pierre Girard, Priscila Lemes, Fábio de Oliveira Roque et autres

Tropical wetlands have historically been resilient to fire, but ongoing climate and hydrological changes are undermining this stability. Here, we provide robust multi-decadal evidence (1985-2024) of structural changes in the contemporary fire regime of the Pantanal, the world's largest wetland, associated with …

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Hydrological Dynamics of Large Tropical Savanna Wetland Through Sentinel-1 SAR Imagery: Pantanal Ramsar Site Case Study

Edelin Jean Milien, Pierre Girard, Cátia Nunes da Cunha

Seasonal tropical wetlands such as the Brazilian Pantanal are increasingly threatened by climate variability and extreme hydrological events, creating a need for robust monitoring tools that capture flood dynamics at high spatial and temporal resolution. This study used Sentinel-1 Synthetic Aperture Radar …

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Hydrological Dynamics of Large Tropical Savanna Wetland Through Sentinel-1 SAR Imagery: Pantanal Ramsar Site Case Study

Edelin Jean Milien, Pierre Girard, Cátia Nunes da Cunha

Seasonal tropical wetlands such as the Brazilian Pantanal are increasingly threatened by climate change and extreme events, creating a need for robust monitoring tools that capture hydrological dynamics at high spatial and temporal resolution. This study evaluates Sentinel-1 Synthetic Aperture Radar (SAR) …

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Open letter: Brazil at a crossroads—Protecting peatlands is essential for post‐COP30 climate leadership

Suelma Ribeiro Silva, Alexandre Christófaro Silva, Uidemar Morais Barral, Carlos Moreira de Souza et autres

This Open Letter highlights peatlands as critical yet overlooked ecosystems in Brazil's climate and biodiversity policies. By translating scientific evidence into clear, actionable priorities for policymakers, it supports more accurate climate reporting, effective mitigation strategies, and improved land-use governance. The letter emphasizes …

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Spectral-Temporal Analysis Of Wetland Fires In The Pantanal-Brazil Supported By UAV Multispectral Imagery

Gustavo Manzon Nunes, Cátia Nunes da Cunha, Nubia da Silva

The Wetlands of the Pantanal in Brazil are highly sensitive to environmental changes, and events such as wildfires pose a significant threat to biodiversity. In 2020, approximately 80% of its area was affected by high-intensity fires. Therefore, this study aimed to analyze, …

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Bringing Wetlands Back Into Policy: Brazil‘s Renewed National Wetlands Committee

Leonardo Maltchik, Cristina Stenert, María Teresa Fernández Piedade, Yara Schäeffer Novelli et autres

ABSTRACT In June 2025, the Brazilian government reinstated the National Wetlands Committee (CNZU), dismantled in early 2019 by the former one. Although CNZU was re‐established later that year, civil society was excluded, which raised serious concerns about the effectiveness of wetland conservation. …

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The ineffectiveness of current environmental and fire policies in the world’s largest wetland

Lucas Barros‐Rosa, Luiza Moura Peluso, Priscila Lemes, Mark S. Johnson et autres

Abstract The Upper Paraguay Basin (UPRB) covers 361 338 km2 in Brazil and can be divided into the Planalto (plateau) and the Pantanal, the largest wetland in the world. This area faces pressures from climate change, land use and cover change (LULC), …

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Diagnóstico do impacto de incêndios em macro habitat na RPPN Sesc Pantanal sobre o ponto de vista de dados multiespectrais obtidos por RPAS/drone

Gustavo Manzon Nunes, Cátia Nunes da Cunha, Nubia da Silva

O ano de 2020 foi impactante devido à alta intensidade de incêndios no Pantanal. Deste modo, foram criados esforços nos mais variados campos do conhecimento para analisar e diagnosticar as causas e consequências desses incêndios. Tendo em vista a inovação com o …

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Addressing the urgent climate and biodiversity crisis through strategic ecosystem restoration in Brazil

Luisa Fernanda Liévano‐Latorre, Juliana M. de Almeida‐Rocha, Alberto Akama, Hernani A. Almeida et autres

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Renascimento Verde: uma solução para a restauração de florestas ripárias através do banco de sementes

Francielli Bao, Cátia Nunes da Cunha, Evaldo Benedito de Souza, Nuno Silva et autres

A restauração ecológica é essencial para manter a biodiversidade frente às mudanças globais do clima. O banco de sementes é a principal fonte de manutenção da variabilidade genética de populações e comunidades. Uma avaliação precisa das sementes contidas no solo após um …

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VIESES E LACUNAS EM PESQUISAS NO ENSINO DE ÁREAS ÚMIDAS IDENTIFICADOS A PARTIR DE UMA REVISÃO SISTEMÁTICA

Stela Rosa Amaral Gonçalves, Cátia Nunes da Cunha, Geison Jader Mello

O presente trabalho trata-se de uma revisão sistemática, baseada na recomendação/método Prisma, que objetivou identificar vieses e lacunas de conhecimento em pesquisas relacionadas ao ensino de áreas úmidas. Para isso, foi realizada a busca por artigos na plataforma Capes com a palavra-chave, …

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Eight basic principles for the elaboration of public policies and development projects for the Pantanal

Walfrido Moraes Tomás, Maria Helena Andrade, Christian Niel Berlinck, Fábio Bolzan et autres

Abstract The Pantanal is considered the largest continuous freshwater wetland in the world, and its sustainable use requires a unified conceptual framework. The lengthy process to establish public policies has contributed to the increasing vulnerability of the Pantanal. Given the need for …

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