Fig. 6

Environmental changes in Zapotitlán Salinas. It shows the events that at different temporal and spatial scales have modified interactions of people with birds are shown. The perceived shortage is the main explanation that people give to the decrease in crops in recent years, a situation that has led to a gradual abandonment of agriculture activities in Zapotitlán Salinas. It is also due to this scarcity of water, that other cultivation spaces, the homegardens within the town have been modified in terms of composition, reducing the presence of the species that require more water. Since the decree of the Tehuacán-Cuicatlán Biosphere Reserve, in 1998, the capture and sale of ornamental birds was prohibited; given these norms, the change in bird capture activities was gradual and has been reflected in the decrease in the sale of ornamental birds outside of Zapotitlán Salinas. Therefore, the people have noticed the increase of some species; in addition, the decrease of others is perceived, which the villagers relate to the decrease of some species of fruit trees in the homegardens and in the food availability in the forests and hills