Tropical forested watersheds; hydrologic and soils response to major uses or conversions

afforestation agroforesteria agroforesterie agroforestry aprovechamiento de la madera cours d'eau cultivo de temporada cultivo migratorio cursos de agua eau souterraine erosion fertilidad del suelo flow rate forest ecology forest grazing forest soils gasto grasslands groundwater herbage interfase sedimento agua logging pastoreo en el bosque plantation planting praderas reforestation rivers seasonal cropping shifting cultivation soil fertility suelo forestal watershed management