Desertification Case Study - The Sahel Flashcards
(10 cards)
How much has Lake Chad’s area decreased in the last 30 years?
From 25,000 square kilometres to 2000 square kilometres.
How much energy is generated from firewood in Burkina Faso, Chad, and Mali?
Burkina Faso - 90%.
Chad - 89%.
Mali - 80%.
What three strategies has Ethiopia used to “re-green” an area of the Sahel?
- Cattle no longer roam to allow grassland recovery.
- Hills are terraced to grow crops such as fruit trees.
- Trenches and bunds were created, and grass was planted to capture more water.
What is the African Great Green Wall in the Sahel, and how large is it planned to be?
A planned area of trees across Africa, which will be 8,000km long and 15km wide.
Which country has the most progress towards the African Great Green Wall?
Senegal.
How many trees are aimed to be planted for the African Great Green Wall?
11 million drought resistant acacia.
When was the African Great Green Wall started?
2007.
How much was the African Great Green Wall estimated to cost?
£8 billion.
How much of the African Great Green Wall had been planted as of 2023?
18%.
What are planting pits and how can they help manage desertification?
Holes dug to collect excess water, often with organic matter inside to increase soil fertility.