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  • In: Encyclopedia of Global Studies
  • Edited by: Helmut K. Anheier & Mark Juergensmeyer
  • Subject:Globalization, Social Policy (general), Cultural Geography

Drylands cover more than 40% of the terrestrial land surface of the globe. Climatically, with low precipitation and high evapotranspiration, drylands are classified as arid, semiarid, and dry subhumid zones. Current estimates suggest that 10% to 20% of global drylands suffer ...

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