Terras não-designadas na Amazônia Legal

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Produtividade primária líquida e sazonalidade da temperatura e precipitação são indicadoras da riqueza de espécies das libélulas na Amazônia

Várias hipóteses foram propostas para explicar os mecanismos que geram padrões de riqueza de espécies temporais e espaciais. Quatro hipóteses comuns foram testadas (água, energia, heterogeneidade climática e produtividade primária líquida) para avaliar quais...

Large-scale impoverishment of Amazonian forests by logging and fire

Amazonian deforestation rates are used to determine human effects on the global carbon cycle and to measure Brazil's progress in curbing forest impoverishment. But this widely used measure of tropical land use tells only part of the story. Here we present field surveys of wood mills and forest burning across Brazilian Amazonia which show that logging crews severely damage 10,000 to 15,000 km2 yr−1 of forest that are not included in deforestation mapping programmes.

A Pathway to Zero Deforestation in the Brazilian Amazon (executive summary)

The document indicates the possible ways to end deforestation in the region, with environmental, economic and social benefits for the country. Prepared by the Zero Deforestation Working Group - composed of experts from the organizations Greenpeace Brazil, ICV, Imaflora, Imazon, IPAM, Instituto Socioambiental, WWF Brazil and TNC Brazil -, it has the most current scientific literature on forests, climate and agriculture. In the following sections, the main reasons why ZD is, more than possible, an inescapable need.