Woodlands and shrublands are one of most important vegetation types in arid and semi-arid regions of Iran. Nomads, who breeding sheep and goats, are the main users of range vegetation of Iran and their lifestyle had been deep effect on vegetation quality of rangelands. During the past 40 years, some changes has happened in the plant composition and dominance of rangelands vegetation of Iran which can be seen as Increase in more shrubs and woody plants. Simultaneous, substantial change in the way of life and ways to make money of nomads and herders has happened. This change can be seen as replacement products that were high energy consuming with another products which need less energy. This article explores this issue that is there any relation between changes in nomads life way and rangelands vegetation of Iran.

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