Sustainability assessment of extensive cattle and sheep production systems in southern Chile Autores: Juan P. Avilez, José Nahed, Yolanda Mena, Daniel Grande, Francisco A. Ruiz, José A. Camúñez, Jorge Meyer, José M. Castel Localización: Chilean Journal of Agricultural & Animal Sciences, ISSN-e 0719-3890, ISSN 0719-3882, Vol. 37, Nº. 3, 2021, págs. 228-243 Idioma: inglés Enlaces Texto completo Resumen Extensive livestock systems have decreased in the last decades.