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Land degradation is an increasing problem in many parts of the world. Success in fighting land degradation requires an improved understanding of its causes, degree, impact and acquaintance with climate, water, soil, land cover and socio- economic factors. Therefore, land degradation assessment is a primary goal in a decision support system for reversing degradation.As one of the most common and serious environmental problems in the world, land degradation has affected two billion hectares (22.5%) of the world's agricultural land, pasture, forest and woodland. It is estimated that global land...