Geography - Extreme Environments - Deserts - Desertification

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  • Desertification occurs when land is turned into desert.
  • It occurs mainly in the land surrounding the worlds most major desert's.
  • It happens mainly because of human activity and climate change.
  • The Sahel (case study):
    • The area of greatest risk is currently The Sahel region.
    • From the 1950's to the 1970's the area has gone from above average rainfall to below average and is decreasing intensely, leading to extreme drought.
  • Over-grazing =


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