Contribution à l’étude de la végétation spontanée d’une zone humide de la Région Oued Righ « Cas du Lac Zerzeim » Meggarine Ouargla.

Abstract

The objective of this work is the contribution to the study of plant species and soil characteristics in wetlands in the valley of Oued Righ (case of Lake Zerzeim Meggarine). The results of the study show that the study sites characterized by soils with alkaline pH, a, high humidity, containing a significant amount of moderate class moderate lime, rich in organic matter . The study of vegetation in the study sites indicates the presence of eight plant species distributed in 6 families . Both resorts are distinguished by low floristic richness with considerable plant cover that is due to the physicochemical properties of the medium.