Desertification Flashcards
1
Q
What is desertification?
A
A type of land degradation in which a relatively dry land region becomes increasingly arid, losing water as well as vegetation and wildlife
2
Q
What are 3 causes of desertification?
A
Unpredictable rainfall
Higher temperatures
A reduced water supply as rivers dry up and water table falls
3
Q
What are 2 human causes of desertification?
A
Population growth from natural increase
Migration
4
Q
How can there be population pressure on land? 2 reasons
A
Intensification of agriculture to feed larger local population
Over-cultivation, overgrazing and deforestation
5
Q
What does desertification often cause rural areas to become?
A
Unable to support the same sized populations that previously lived there.
