ABSTRACT
The area of study is located at the southern hillside of Moroccan High Atlas, a mountain range which represents a natural barrier between the Mediterranean region and the Sahara desert.
Mgoun Valley extends along the Oued Mgoun basin and its tributaries, it leads to the Oued Dades and it belongs to a group of valleys (Dades, Draa, Todra, etc.) which live throughout the year on the ice waters coming from the peaks of Moroccan High Atlas.
