Cinq Continents (Jul 2015)
Ressources et partage de l'eau dans l'oasis de Kenadsa (Sud-Ouest Algerien); approche historique et constat
Abstract
Resources And Water Sharing In The Oasis Of Kenadsa (Southwest Algeria); Historical Approach And Findings. Kenadsa, a peaceable oasis in southwestern Algeria, with the discovery and exploitation of coal (1917 - 1956), underwent graft of Western models for its development. That has cleared the oasis of the spatial dimension and tr ansformed into a mining village by excellence. These networks of foggaras draining groundwater, enclosed in a multilayer aquifer, which becomes free on the northern border of the Ksar. There were 25 foggaras of sources (Ain), each of which had its own drai nage channels to downstream gardens of Ksar. The distribution of water from these sources was ensured by a complex network, fed by drainage galleries that meander the alleys of Ksar and gives place to access points for domestic uses. The right to water is generally private property; one could dispose of according to modes of transmission of a property. It’s sharing for irrigation is governed by the volume and time. Currently, only some ten foggaras of sources that are still alive (Ain Sidi Mbarek, Ain Dir, Belkaid Ain, Ain Sheikh ....). These waters are characterized by mediocre quality (pH 7.31, CE: 4.88 ms / cm, RS 2420 mg / l Ca ++: 288.2 mg / l, SO4 -- : 468 83 mg / l.).
