Desertification Case Study - The Sahel Flashcards

(10 cards)

1
Q

How much has Lake Chad’s area decreased in the last 30 years?

A

From 25,000 square kilometres to 2000 square kilometres.

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2
Q

How much energy is generated from firewood in Burkina Faso, Chad, and Mali?

A

Burkina Faso - 90%.
Chad - 89%.
Mali - 80%.

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3
Q

What three strategies has Ethiopia used to “re-green” an area of the Sahel?

A
  • 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.
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4
Q

What is the African Great Green Wall in the Sahel, and how large is it planned to be?

A

A planned area of trees across Africa, which will be 8,000km long and 15km wide.

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5
Q

Which country has the most progress towards the African Great Green Wall?

A

Senegal.

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6
Q

How many trees are aimed to be planted for the African Great Green Wall?

A

11 million drought resistant acacia.

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7
Q

When was the African Great Green Wall started?

A

2007.

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8
Q

How much was the African Great Green Wall estimated to cost?

A

£8 billion.

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9
Q

How much of the African Great Green Wall had been planted as of 2023?

A

18%.

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10
Q

What are planting pits and how can they help manage desertification?

A

Holes dug to collect excess water, often with organic matter inside to increase soil fertility.

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