This paper describes smallholder agricultural systems in the lower Amazon where the Santarém sub-Cluster is based. Here, despite the fertility of floodplain soils and a long tradition of floodplain farming, smallholder agriculture is stagnating. Once the basis of the floodplain economy, its role in smallholder subsistence has now been taken over by commercial fishing and extensive cattle ranching.
Unexpected results of a pilot throughfall exclusion experiment on soil emissions of CO2, CH4, N2O, and NO in eastern Amazonia
Unexpected results of a pilot throughfall exclusion experiment on soil emissions of CO2, CH4, N2O, and NO in eastern Amazonia
The eastern Amazon Basin may become drier as a result of less regional recirculation of water in a largely deforested landscape and because of increased frequency and intensity of El Niño events induced by global warming. Drier conditions may affect several plant...