Abstract

The extension of the populations’ needs which follows the rate of the demographic growth poses the problems of the durable development in many African countries. The conservation of the protected surfaces is put in evil by the conquest for survival, the research of the incomes and the weak manpower of the agents of National Forestry Commission to sit a monitoring with the size of the objective laid down by the creation of the surfaces. The case of the reserve of the Binder-Léré fauna in Chad is illustrative. There are texts which prohibit human activities in the perimeter and others which permit people living in the same area the right to do the same activities. This superposition of rights states the question of management of spaces and the resources of the aforementioned reserve. It results from it many consequences. Apart from the deterioration of the physical environment of the area, the destruction of the cultures, the attacks between man and fauna and the poaching are common. This article wants to be an appreciation of the dynamics of the reserve in response to the behaviors of human in the extension of their farming and food needs