The document describes a study mapping land degradation and sustainable land management practices in the Wadi Hallouf watershed in southeast Tunisia. Key findings include: 1) Various land use systems were mapped including cereal agriculture, agriculture behind jessours, plain and mountain rangelands, dahar rangelands, and halophyte rangelands. 2) For each land use system, land degradation types, extent, causes, and impacts were documented as well as existing conservation measures and their effectiveness. 3) Recommendations are provided to improve sustainable land management including restoring vegetation cover, improving soil and water conservation practices, controlling grazing levels, and expanding reforestation efforts.