This study investigates the degradation of the Wadi M’zab oasis in Ghardaia, Algeria, an ecologically sensitive area. Using remote sensing data and geographic information systems (GIS), the degradation was assessed through four key indicators: vegetation cover change, soil erosion, salinity, and agricultural productivity. Moreover, to identify the human factors contributing to the degradation, a field survey was conducted. The results indicated significant degradation of the Wadi M’zab oasis, marked by a substantial increase in erosion areas by 220%, a 52% increase in areas affected by salinity, extensive urban expansion at the expense of palm groves, and a decline in agricultural productivity. The causes of degradation are attributed to natural factors such as climate change and soil and water quality, as well as human factors like urban expansion, land-use changes, and human practices, as confirmed by the field survey results. This study serves as an important tool to help mitigate the degradation of the Wadi M’zab oasis. It recommends encouraging investment in the agricultural sector, preserving the oasis’s ecosystem, and adopting innovative practices for water management and using crops that tolerate harsh conditions. It also calls for coordinated efforts between government agencies, farmers, and the local community to ensure the implementation of effective and sustainable strategies for the future of the M’zab oasis.
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