This volume has a daily life socioeconomic panorama of the inhabitants from those comunities that are located around the El Triunfo protected natural area, in the Chiapas Sierra Madre. The book is an update of the first diagnostic research carried out in a multidisciplinary and inter-institutional manner in these localities, designed and planned in 1986 and executed in field in 1987. Reference material for students who are interested in the relationship between nature and society.