Site description El Ghallâouîya is situated 75 km north-east of Guelb el Richât in the Adrar region. A winding escarpment links it to the Guelb and, further south, to the Adrar plateau. It is a permanent water-source exploited by nomadic herders. Deep ravines intersect the cliffs and there are many ledges and crevices in the rock-face. The plains are dominated by ergs and isolated dunes, punctuated by wells and sebkhas. The vegetation of the area includes Hyoscyamus muticus, Tamarix sp., Acacia raddiana, Capparis decidua, Leptadenia pyrotechnica, Maerua crassifolia, Salvadora persica, Balanites aegyptiaca, Panicum turgidum and Stipagrostis pungens. |