Transfer of dissolved Al, Fe and Si in two Amazonian forest environments in Brazil

aluminio aluminium atmosfera atmosphere bosques brasil brazil canopy capa arable del suelo couche arable couvert cubierta de copas dissolution dissolving dust eau souterraine ecosistema ecosystems fer ferralsol ferralsoles ferralsols forest soils forests groundwater groundwater table hierro iron leaching lessivage du sol lluvia mouvement movement movimiento nappe souterraine pedogenese pluie podzol podzoles podzols polvo (contaminantes) precipitation rain silica silice soil soil formation soil genesis soil morphological features soil solution sol soluciones del suelo solution du sol suelo suelo forestal top soil trait morphologique du sol