تدبير الموارد المائية و الاستغلال الفلاحي بمجال شبه صحراوي : حالة حوض وادي نون كلميم جنوب المغرب

الملخص EN

The GUELMIM basin is characterized by several peculiarities which differ from the rest of the areas surrounding the basin, because it is located in a protected position south of the Western Anti Atlas, and is open to the desert from the south and east, and from the western Atlantic Ocean.

This strategic position of the basin did not subject it to a system of dry desert rain, because its opening to the ocean provides it with relative humidity and significant precipitation, especially in the western region of the basin and above the high plateaus .

The opening of the basin is also reflected in the soil, which is characterized by a diverse texture which has contributed to the provision of various plant formations which have helped enrich the soil with organic matter and prevent it from eroding, providing important land suitable for agricultural activity (agriculture, animal husbandry, etc.).

The water resources situation in the OUED NOUN basin is characterized by the seasonality of most of the surface runoff, while the increase in the number of wells led to an increase in its depth following the withdrawal of underground resources from the basin, the supply of most agricultural farms with pump motors and the increase in demand for water resources, made up the most important characteristics of the agricultural operation in the GUELMIM basin, which is reflected on the water resources, which experienced a significant decline, this situation posed several problems of management and exploitation of the water resources of the basin of OUED NOUN.