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The objective of this analysis is to reflect on more sustainable family and extensive integrated livestock production models, in which the woody component is integrated, contributing to the reduction of greenhouse gases and favoring the mitigation of the climate change. For such purpose, a revision was made referring to the integration of the forestry activity in livestock production, as a viable alternative of production system. A start is made from the criterion that silvopastoral systems (SPSs), within the agroforestry ones, are agroecosystems in which a tree component is associated with a herbaceous (natural or improved pastures) and a farming component (livestock) in the same site, where biological interactions exist among them and land use is maximized. This paper also describes how SPSs are grouped; their opportunities from the economic, productive, social and environmental points of view; and the effects of the interaction among its components. This analysis allows to state that SPSs are a product of the relation among biology, society and culture, and in them there is a large diversity; likewise, they allow the reconversion of the very little productive extensive livestock production into more productive and sustainable systems, as well as the rehabilitation of the areas degraded by this type of livestock production, deforestation and soil depletion. [ABSTRACT FROM AUTHOR]