Artigos científicos

Artigos científicos

Caminhos para a recuperação florestal

The future of tropical forests depends on their ability to resist and recover from multiple disturbances. Here, we evaluated how edge effects, experimental fires, extreme droughts, and blowdowns reshaped forest structure, composition, and functional traits over two...

Artigos científicos
Classifying successional forests using Landsat spectral properties and ecological characteristics in eastern Amazônia

Classifying successional forests using Landsat spectral properties and ecological characteristics in eastern Amazônia

Secondary forests may become increasingly important as temporary reservoirs of genetic diversity, stocks of carbon and nutrients, and moderators of hydrologic cycles in the Amazon Basin as agricultural lands are abandoned and often later cleared again for...

Artigos científicos
Leaf-cutting ant (Atta sexdens) and nutrient cycling: deep soil inorganic nitrogen stocks, mineralization, and nitrification in Eastern Amazonia

Leaf-cutting ant (Atta sexdens) and nutrient cycling: deep soil inorganic nitrogen stocks, mineralization, and nitrification in Eastern Amazonia

Nest excavation and agricultural activities of the leaf-cutting ant Atta sexdens create complex belowground heterogeneity in secondary forests of Eastern Amazonia. We examined the effects of this heterogeneity on inorganic-N stocks, net mineralization, and net...

Artigos científicos
Some doubts about concessions in Brazil – Should Brazil shelve its proposed system of forest concessions?

Some doubts about concessions in Brazil – Should Brazil shelve its proposed system of forest concessions?

The government of Luiz Inácio Lula da Silva of Brazil inherited, in its National Forest Program, a formidable proposal to increase the area designated to national forests (Flonas) in the Amazon from eight to 50 million hectares by the year 2010. This objective is...