Rehabilitation of Degraded Rangeland in Drylands by Prickly Pear ([i]Opuntia ficus-indica[/i] L.) Plantations: Effect on Soil and Spontaneous Vegetation Journal title: Ecologia Balkanica Authors: Souad Neffar, Haroun Chenchouni, Arifa Beddiar, Noureddine Redjel Subject(s): Biological Sciences, Ecology