Monitoring forest degradation in Mexico based on the national forest and soil inventory (Infys) Autors: Leyva Ovalle, Ángel, Valdez-Lazalde, José René, de los Santos-Posadas, Héctor Manuel, Martínez-Trinidad, Tomás, Herrera Corredor, José Andrés, Lugo Espinosa, Oziel, García Nava, José Rodolfo