An argument that the perception of arid lands as wastelands is politically motivated and that these landscapes are variable, biodiverse ecosystems, whose inhabi
Deserts are parts of the Earth that receive little or no rain; 25 cm or less per year. The physical processes that act upon these parched lands are vastly diffe
Dryland degradation and desertification now affect almost a billion people around the world. Tragically, the biological resources and productivity of millions o