Nomadism and desertification in Africa and the Middle East

@article{Johnson1993NomadismAD,
  title={Nomadism and desertification in Africa and the Middle East},
  author={Douglas L. Johnson},
  journal={GeoJournal},
  year={1993},
  volume={31},
  pages={51-66}
}
Desertification in areas where traditional pastoral nomadism was common is a phenomenon of this century. Nomads possessed institutions and management practices that avoided excess concentrations of people and animals, rotated grazing pressure seasonally between major pasture zones, protected dry season resources that were critical to their survival, and limited access to pastoral resources. These systems of management and control have broken down and degradation of pastoral lands has been the… 

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