This report deals with combined FAO/UNEP project to develop a methodology for the assessment and mapping of desertification and through its application to enhance awareness of the problems and to catlyze remedial action. The earliest desert assessment can be dated back to Lamprey’s research in central western Sudan, when he introduced the desert encroachment theory [1], which laid the groundwork for providing a process for measuring the desertification problem. A provisional methodology for assessment and mapping of desertification was formulated [2,3] and is now used for local and regional assessment and mapping [4,5]. Most of the studies assess the desert based on the desert topography, vegetation coverage and wind erosion. The library has a hard copy