2015-07-152015-07-151974https://bibliotecadigital.ciren.cl/handle/20.500.13082/24667enEcosistema de SabanaEcosistema de praderaBiósfera "Ecología"Impacto ambientalUso y manejo del sueloInternational working group on project 3: impact of human activities and land use and use practices on grazing lands: savanna, grassland (from temperate to arid areas).Libro3449