Challenges Of Desertification In Two Or More Countries Flashcards
1
Q
What is desertification?
A
Process by which fertile land becomes desert, typically as a result of drought, deforestation or inappropriate agriculture
2
Q
How is the world threatened by desertification?
A
- 1/5 land
- 12 million hectares lost every year
- 110 countries under threat
- 15 billion threatened (74% world’s poor)
3
Q
Give 5 physical causes of desertification
A
- Soil erosion
- Changing rainfall patterns
- More intense, less frequent, storms
- Increased exposure to wind erosion
- Increasing temp drying plants
4
Q
Give 5 human causes of deforestation
A
- Population growth
- Over grazing
- Over cultivation = Soil exhaustion
- Deforestation
- Anthropogenically accelerated climate change
5
Q
What are the social consequences of desertification?
A
- Famine
- Disease
- Out-migration
6
Q
What are the economic consequences of desertification?
A
- Decreasing GNI per capita
- Rising unemployment
- Loss of investment and FDI
7
Q
What are the environmental consequences of desertification?
A
- Increased deforestation
- Overexploitation of resources
- Increase environmental cycle of deprivation
8
Q
Give an example of a strategy used to address desertification
A
Great Green Wall of Sahel
