Geog - Paper 1

Cards (7)

Define Desertification 
The degradation of land becoming less fertile, drier and more desert like
Solution to desertification: Water Management 
Drip irrigation, rock walls, terraces cut into slopes to prevent water loss
Solution to desertification: Soil Management
Crop rotation and use of compost to restore nutrients and fertility in soil
Drought resistant crops such as pigeon peas
Solution to desertification: Stone lines 
Stones laid in lines by hand to spread water over the land so the soil is preserved and not eroded
1/3 land reclaimed in Burkina Faso
Solution to desertification: Tree planting
Planting acacia trees reinforces the soil and preserves biodiversity
Great Green Wall, Sahel - 8000km long
Causes of Desertification: Overgrazing 
Animals such as cattle uproot plants and displace the soil causing soil erosion
Causes of Desertification: Overcultivation 
Constant growing of the same type of crops removing nutrients from the soil