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.
Pesquisa IPAM – A percepção dos brasileiros sobre o meio ambiente 2021
Pesquisa IPAM – A percepção dos brasileiros sobre o meio ambiente 2021
A presente pesquisa teve por objetivo levantar dados e mensurar a percepção da população brasileira acerca de questões ambientais relevantes para o atual contexto do país. O levantamento foi realizado entre 24 de fevereiro e 5 de março de 2021 e entrevistou 2 mil...