The potential of carrirg capacity of the pequeña propiedad Guadalupe Mapimí, Durango with a surface 4,500 ha. approximately, located in the Mapimí Biosphere Reserve was determinate through of productivity determination (biomass) by direct cut method in known area in two periods of the year (October 2008 and February 2009), with this information were made zonification maps as a result of geostatic methods and interpolation process, as the same time that were contrasted with the results that obtained the Comision Tecnica de Coeficientes de Agostadero (COTECOCA) in 1979. The results obtain viewed a potential between 263 and 2362 kg•ha-1 of biomass and a potential of 147 animal units (AU) in the first period and between 125 and 1035 kg•ha-1of dry matter with 117 AU for the second period. However, were observed a small number species forage catalogued by COTECOCA as desires. In agreement with the results, the actual carrirg capacity in the property is the adequate for rangeland conservation. However, if the use is intesificated there is an evident risk to promoted the ecological retrogression process in the rangeland.

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