Amazônia em Chamas nº 12 – entendendo a relação entre o fogo e desmatamento em 2023
Apesar da redução de 50% no desmatamento na Amazônia, a pior seca em 125 anos aumentou o fogo em outras áreas do bioma, elevando a área queimada total para 10 milhões de hectares, 36% a mais do que em 2022. Dados foram publicados Nota Técnica Amazônia em Chamas nº...
Floresta Amazônica: Dinâmica, Regeneração e Manejo
A obra contém uma coletânea de trabalhos que relatam assuntos sobre a região da Amazônia Brasileira como: recuperação florestal, conservação da floresta nativa em ambientes mais simples, exploração madeireira. Dentro deste cenário, estudos que buscam entender a...
Deep Soil Moisture Storage and Transpiration in Forests and Pastures of Seasonally-Dry Amazonia
To assess the impacts of land-use changes on plant-available water (PAW) and evapotranspiration (ET), volumetric water content (VWC) was measured to 8 m beneath three, adjacent ecosystems for four years (1991–1994). Estimates of PAW, ET, and deep drainage were...
Land-use in Amazonia and the Cerrado of Brazil
The total area and annual rate of native vegetation clearing is greatest in the Cerrado region followed by the Brazilian states of Pará, Mato Grosso, Maranhào and Rondônia. Amazonian forest clearing proceeds most quickly where abundant natural resources...
Upland agricultural and forestry development in the Amazon: sustainability, criticality and resilience
This paper provides an overview of agricultural and forestry development in the Amazon basin, and presents and discusses the main land use systems in evidence today in that region. These are logging, shifting-cultivation and ranching. The issue of sustainability is...
A Comparative Study of Tree Establishment in Abandoned Pasture and Mature Forest of Eastern Amazonia
In Amazonia, millions of hectares of forest have been converted to cattle pasture then abandoned. On sites with histories of heavy use, forest recovery is slow. We compared the process of tree establishment in an abandoned pasture with a history of heavy use and in...
Attracting parasitic flies (Diptera: Phoridae) to injured workers of the giant ant Dinoponera Gigantea (Hymenoptera: Formicidae)
Flies of the genus Apocephalus are common parasites of worker ants. Although the mechanisms used by parasitic flies to find their host are not well understood, olfactory cues have been suggested as the mechanism for host location, especially when the host ant is...