The monograph is devoted to the most dangerous environmental problem of the modern period - to desertification of arid and semiarid mountain and foothill geocomplexes under the influence of natural and anthropogenous factors.

On an example of the territory Nakhichevan АР features, types and degree of desertification of modern landscapes are investigated. Actions for struggle against desertification for the purpose of maintenance of a sustainable development of geocomplexes are offered, and also directions of development of landscapes in the future are proved.

The book is meant for geographers, ecologists, the experts, dealing with by problems of desertification and students of High schools.