Over the past three decades, tropical forest clearing and burning have greatly altered the Amazonian landscape by increasing the cover of pastures and secondary forests. The alteration of biogeochemical processes on these lands is of particular interest on highly weathered Oxisols that cover large areas in the region because of concerns regarding possible nutrient limitation in agricultural land uses and during forest regrowth. The objectives of this study were to quantify (1) the reaccumulation of nutrients in biomass of secondary land uses, (2) changes in soil nutrient contents, (3) internal nutrient cycles, and (4) input–output budgets for the landscape mosaic.
Clima e Desmatamento no Xingu
Boletim produzido pelo consórcio composto pelo IPAM, ICV, ISA, Fórum Mato-Grossense de Meio Ambiente e Desenvolvimento de MT (Formad) e Sindicato dos Trabalhadores Rurais de Lucas do Rio Verde (STR Lucas), no âmbito do projeto Governança Florestal nas Cabeceiras do Rio Xingu, e faz parte das ações da Campanha "Y Ikatu Xingu".