干旱区生态环境知识资源中心

In the steppe south-Oranian of Naama (Algeria), clearing, overgrazing and overexploitation of vegetation expose the soil surface pastoral rangeland desertification intense. Intervention measures to this alarming situation are to promote the process of reverse degradation reconstruction, restoration and rehabilitation of degraded steppe by the technique of exclosure. This technique of fencing which is to put the grazing of degraded areas in order to promote the restoration and it may be sufficient to reconstruct the condition she still have the ability to correct itself degradation effects these pathways. She favors natural regeneration, the most appropriate to induce biological recovery of natural steppe. With a number of transects inside and outside the exclosure. These transects is a grid that can scan the entire site and put some grazing routes nearby free range. Along these transects, phytoecological are placed every 200 m in an area of 100 m(2). Following this assessment, remediation by technical exclosure the steppe of Lygeum spartum has a positive impact on biological recovery by a quantitative and qualitative increase in the rate of recovery of vegetation, floristic richness and of phytomass.