Changes of Vegetation and Diversity in Grasslands along 28 Years of Continuous Grazing in the Semi-Arid Durango Region, North Mexico

Y. Herrera-Arrieta, D.S. Pamanes-Garcia, J. Herrera-Corral, I. Chairez-Hernandez and A. Cortes-Ortiz

Journal of Animal and Veterinary Advances 10 ( 22 ): 2913 - 2920 , 2011