Le devenir de la gestion traditionnelle des eaux apres l'envahissement des systemes modernes d'irrigation. Oasis de Boukais, Sud-Ouest algérien

The evolution of traditional water administration after the extension of modern irrigation systems. Oasis de Boukais, south - west of Algeria. One of the topics that touch the field of environment is undoubtedly the traditional catchment systems and the sharing of water in the oasis. The ancestral techniques such as wells to chadouf, quanat, Khettara and foggaras have protected the oasis and the man in the past. These techniques were used in an arid environment by oasis dwellers and have stood a hostile climate f or centuries. In spite of the low rainfall recorded in the region of our oasis, the oasis dwellers of Boukais through their intelligence, they were able to cultivate their lands without disrupting the fragile ecosystem by groundwater exploitation due to gu shing from a s ource (Ain). For centuries, the oasis dwellers of Boukais use techniques and rules respected by all the farmers to irrigate their fields and palms trees. They exploit the artesian spring through canals to open sky called séguias and accumulat ion basin (majen) for the storage of water in the night