Relatório de Atividades 2024
O ano de 2024 nos deu alguns motivos para seguir acreditando que é possível reverter um cenário de colapso global. Vimos a redução do desmatamento continuar na Amazônia e o Cerrado começar a acompanhar essa tendência. Mas é preciso mais que isso. Passamos pelo ano...
Impacto das políticas públicas sobre manejo comunitário de recursos naturais
Experimento de criação de um sistema formal de gestão participativa dos recursos naturais florestais e de várzea. O estudo demonstra que ocorreram grandes mudanças nas políticas e nas instituições de gestão de recursos naturais, aumentando de forma substancial o grau de participação dos usuários na gestão local.
Uptake of water by lateral roots of small trees in an Amazonian Tropical Forest
A pulse chase technique was used to determine depth and breath of plant water uptake in an Amazonian evergreen forest. Two 2×2 m2 plots were irrigated with deuterated water. The deuterium pulse, measured as δD values of soil and plant sap water, was followed in the...
Frontier Governance in Amazonia
Throughout human history, the world's great forest formations have yielded to logging, cattle ranching, and agricultural expansion after transportation corridors made them accessible to frontier settlers. The Brazilian Amazon could prove to be an exception to this...
Arguing Tropical Forest Conservation: People versus Parks
We all agree that nature reserves with minimal human influence are an important component of any conservation strategy in any country. Rather, the point of controversy is how best to achieve a much broader, more comprehensive conservation of nature in a region such...
Rethinking Tropical Forest Conservation: Perils in Parks
According to some conservationists, large, pristine, uninhabited parks are the defining criterion of success in conserving tropical forests. They argue that human residents in tropical forests inevitably deplete populations of large animals through hunting, which...
The commercial fisheries of the lower Amazon: an economic analysis
This study characterizes the fishermen and the commercial fishing fleet of the lower Amazon, based on data collected from 5446 boats operating out of the city of Santarém in 1997. An economic analysis of the activities of these boats was based on 50 interviews with...