Rural Flashcards
What is the Sahel?
Semi arid region to the south of the Sahara
What is land degredation?
Sahel - Impacts on the environment
Loss of fertile soil, desertification, Increased risk of drought and water stores have less capacity
Sahel - Impacts on people
Malnutrition and famine, collapse of the nomadic way of life, conflict
Sahel - Impacts on the economy
crop failure, less money earned for farmers, reliance on international aid creates debt
Sahel - What are three local management strategies?
Stone lines
Zai technique
Accacia tree planting
Sahel - What are two global management strategies?
Great Green Wall, Sustainable Development Goals
What are stone lines?
Lines of stones that catch soil and nutrients
Positive effects of stone lines
easy to build, increased crop yields by 55%
Limitations of stone lines
What is the Zai technique?
Pits are dug and filled with animal dung as well as the seeds of the plant they wish to grow.
How does planting Accacia trees help manage land degradation?
Positive effects of Zai techniques
They can be dug in the off-season, causes better water infiltration of the soil
limitations of the Zai technique
Labour intensive
Effectiveness of accacia tree planting