Desertification
- Created by: amtani20
- Created on: 05-04-18 16:07
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- Desertification
- Causes
- Climate change = Drier conditions and unreliable rainfall
- Soil erosion when vegetation destroyed and it is exposed
- Population pressure
- leads to overgrazing on limited vegetation
- Over-cultivation due to produce more food
- increases demand for fuelwood = ***** of branches and dies
- Badia, Jordan A dry & rocky with less 150mm
- Influx of sheep after 1991 Gulf war = overgrazing and desertification
- Reducing
- Water and Soil management
- Contour traps store heavy rain running down slopes
- Prosopis cineraria in Thar desert provides shade, stabilizing roots and firewood
- Desert national Park Thar Desert - 1992 protects 3000km2
- Appropriate technology = line of stone to reduce soil erosion using basic local tools and increase crops 50%
- Water and Soil management
- Land is gradually turned into a desert so existing desert spreads
- Causes
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