Results 61 to 70 of about 320 (126)

Temporal analysis of land use in Guajará, Amazonas, Brazil

Revista Cerrados
Environmental degradation in the Amazon is a recurring theme in environmental management and geography studies, especially when the focus is turned to analyzing agricultural production and its continuous association with deforestation.
Kelyan Lago dos Anjos, Luciomar da Silva Almeida Filho   +1 more
doaj   +1 more source

Mapping the global threat of Mythimna separata (Walker) and its economic implications for Brazil's agriculture

Pest Management Science, Volume 82, Issue 9, Page 9097-9106, September 2026.
Global models identified high‐risk areas for Mythimna separata invasion, highlighting major economic vulnerability for Brazilian crops and guiding targeted prevention and management strategies. Abstract BACKGROUND Identifying high‐risk areas for the introduction of invasive alien species is particularly important for agricultural pests with a broad ...
Gabriel Dorotel da Silva Ferreira, Cesar Augusto Marchioro   +1 more
wiley   +1 more source

Queimadas na Caatinga: uma análise das áreas afetadas na Bahia (1993-2023)

Territorium: Revista Portuguesa de riscos, prevenção e segurança
A Caatinga é um bioma típico do Brasil que está inserido em região semiárida, caracterizada por um clima quente e seco. A presença humana, através da agricultura e da pecuária, tem provocado danos ambientais significativos, resultando na degradação do ...
Tayse Guimarães, Thamires Oliveira do Bomfim, Rafael Oliveira Franca Rocha, Édico de Oliveira Gomes, Rosngela Leal Santos   +4 more
doaj   +1 more source

Urban Landscape Influence Orchid Bee Diversity in a Tropical Megacity

Journal of Applied Entomology, Volume 150, Issue 8, Page 1153-1163, September 2026.
ABSTRACT The increasing urbanization has affected pollinator communities, such as Euglossini bees, which play a crucial role in maintaining biodiversity through the pollination of numerous plants. However, the impact of different levels of urbanization on the diversity of these bees is still not fully understood, especially in large tropical urban ...
Amanda F. P. Machado, Pedro H. B. Togni, Sofia Graffigna, Leandro R. Tambosi, Gabriel O. Keller, Raphael M. Ferreira, Isabel Alves‐dos‐Santos   +6 more
wiley   +1 more source

Phenological Monitoring of Irrigated Sugarcane Using Google Earth Engine, Time Series, and TIMESAT in the Brazilian Semi-Arid

AgriEngineering
Monitoring sugarcane phenology is essential since the globalized market requires reliable information on the quantity of raw materials for the industrial production of sugar and alcohol.
Diego Rosyur Castro Manrique, Pabrício Marcos Oliveira Lopes, Cristina Rodrigues Nascimento, Eberson Pessoa Ribeiro, Anderson Santos da Silva   +4 more
doaj   +1 more source

Comparação entre classificação de uso e ocupação do solo por máxima verossimilhança e MapBiomas

ForScience
As mudanças no uso e ocupação do solo decorrente de fatores naturais e de ações antrópicas modificam as paisagens, alterando, por exemplo, a vegetação, o curso dos rios e a integridade do solo, impactando diretamente na sustentabilidade ambiental. O monitoramento do uso e ocupação do solo por meio da interpretação de imagens de satélites é de grande ...
Mônica Carvalho de Sá, Philipe Guilherme Corcino Souza, Luis Carlos da Silva Soares, Fernanda de Aguiar Coelho, Ricardo Siqueira da Silva, Larissa Nara Nascimento de Miranda, Isadora Azevedo Perpétuo, Sarah Dieckman Assunção Rodrigues   +7 more
openaire   +1 more source

Socioeconomic Factors Associated With Native Vegetation Conservation in Rural Properties of the Brazilian Semi‐Arid Region

Land Degradation &Development, Volume 37, Issue 14, Page 10162-10173, 30 August 2026.
ABSTRACT The conservation of native vegetation in rural properties of the Brazilian semi‐arid region constitutes a critical challenge for regional environmental sustainability and land degradation prevention. This study analyzed the influence of socioeconomic factors of rural landowners on native vegetation retention in properties from the Central ...
Aelton Biasi Giroldo, Antonio Caçula Almeida Filho, André Henrique Pinheiro Albuquerque, Alisson Medeiros de Oliveira   +3 more
wiley   +1 more source

Living in the Pyrocene: Assemblage‐Wide Terrestrial Vertebrate Responses to Mega‐Fires in the Pantanal Wetlands

Ecology and Evolution, Volume 16, Issue 8, August 2026.
More than 60% of Serra do Amolar within the Pantanal Wetlands, Brazil, was burned in 2020. Nine vertebrate species showed a dependency on forest areas, which are more vulnerable to fires in this region, despite the fire not having shown a direct effect on the occupation.
Natasha Grosch Loureiro, Diego Francis Passos Viana, Ciar D. Noble, Grasiela Edith de Oliveira Porfírio, Wener Hugo Arruda Moreno, Mariana Alves Carvalho Queiroz, Geovani Vinco Tonolli, Carlos A. Peres, Hugo Fernandes‐Ferreira   +8 more
wiley   +1 more source

The contribution of small trees to carbon stocks along a recovery gradient in the Amazonia

Ecosphere, Volume 17, Issue 8, August 2026.
Abstract Most ecological knowledge about carbon recovery during natural regeneration in tropical regions has focused on individuals exceeding 10 cm in diameter. However, the contribution of smaller individuals to aboveground carbon (AGC) across successional gradients remains poorly quantified, despite their potentially substantial role during early ...
Luiz Antonio Soares Cardoso, Fernando Elias, Eduardo Queiroz Marques, Lorrayne Aparecida Gonçalves, Joice Nunes Ferreira, Erika Berenguer, Ima Célia Guimarães Vieira, Jos Barlow, Izildinha de Souza Miranda, Marcelo Tabarelli, Rodrigo Oliveira do Nascimento, Luiz Eduardo Oliveira e Cruz de Aragão, Gustavo Schwartz, Divino Vicente Silvério   +13 more
wiley   +1 more source

Identificação das Mudanças Espaço-temporais nos Biomas Brasileiros por Intermédio da Análise de Componentes Principais (ACP)

Revista Brasileira de Cartografia, 2022
O artigo apresenta uma análise espaço-temporal das mudanças no uso e cobertura da terra dos Biomas brasileiros a partir do uso dos dados do projeto MapBiomas e da Análise de Componentes Principais.
Letícia Figueiredo Sartorio, Éder Leandro Bayer Maier   +1 more
doaj