Desertification - Geography

  • Created by: H_Irving
  • Created on: 28-03-18 09:39
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  • Hot Deserts
    • Climate
      • little rainfall
        • >250mm per year
          • rain varies
            • hot in the day. cold at night
    • Plants
      • sparse
        • lack of rainfall
          • Cacti and thornbush
            • Short Life Cycle
    • Soil
      • Shallow
        • Not Very Fertile
          • Often Dry
    • People
      • grow few crops
        • natural springs
          • indigenous people often nomadic
    • Biodiversity
      • Lack Of Water, Very Sparse.
      • people irragate
      • relatively low
      • habitats are divided due to development on roads
      • Global warming increases the hot temp
      • Sparse Vegitation
      • Salty soil due to high evaportation
    • Adaptions
      • Animals
        • some are nocturnal - stay bellow in shade
        • Lizards  & Snakes tolerate High body tempture
        • some store large amounts of fat
        • get water from foods they eat
      • Plants
        • Roots extremely long, deep water
        • many plants are succulents
        • small leaves and spines - low surface area
        • only germinate when it rains
    • Development
      • Tourism
        • fascinated - remote & exotic - Sand-boarding popular activity
      • Solar Energy
        • cloudless skies 12+ hrs sunshine
      • Farming
        • Comercial Farming - Sahara -  irrigation Water
      • Mineral Resources
      • Oil & Gas
        • Algeria - leader oil exploration- Sahara Desert - 60% income
    • Challenges
      • Extreme Temp
      • Inaccessibility
      • Water Supply
    • Desertification
      • Causes
        • Climate Change
        • Human Activities
      • Reducing
        • Soil Mangement
        • Approprite  technology
    • Animals
      • Small and Nocturnal
        • Lizards, Snakes, Insects...

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