Modelling nutrient cycling in forest ecosystems

azote boreal forests calcio calcium chimie du sol cycling ecosistema ecosystems forest litter forest soils hidrologia hojarasca forestal hydrologie hydrology magnesio magnesium measurement mesure nitrogen noruega norway picea abies potasio potassium procesos de transporte en el suelo simulation models soil chemistry soil solution soil transport processes soluciones del suelo solution du sol suelo forestal transport dans le sol