Deserts and Drylands

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  • Created by: maddy8488
  • Created on: 01-02-14 14:04
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  • Deserts and Drylands
    • Deserts
      • Less than 250mm of rainfall each year
      • Desertification
    • Deserts and drylands are fragile enviroments
      • Meaning they are easily threatened by natural or human-introduced changes
    • Located in the tropics
      • For example the Sahara, Australian, Arabian and Kalahari deserts
      • On the  borders of deserts there are semi-arid areas
        • Drylands
          • Deserts and Drylands
            • Deserts
              • Less than 250mm of rainfall each year
              • Desertification
            • Deserts and drylands are fragile enviroments
              • Meaning they are easily threatened by natural or human-introduced changes
            • Located in the tropics
              • For example the Sahara, Australian, Arabian and Kalahari deserts
              • On the  borders of deserts there are semi-arid areas
                • Drylands
    • Sahel is the Dryland that borders the sahara
      • Some permanent  settlments
      • Nomadic people live there
        • Small tribes
        • for example Tuareg
    • About 250-500mm of rainfall annualy

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