L6 - Zai DIY Flashcards Preview

Yr 9 Geography - Extreme Environments > L6 - Zai DIY > Flashcards

Flashcards in L6 - Zai DIY Deck (15)
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1
Q

Where has the Green Green Wall been planted?

A

Through: Senegal, Mauritani, Burkina Faso, Mali, Nigeria, Niger, Chad, Sudan, Ethiopia, Eritrea

I.e. the Sahel

2
Q

Which country was the former colonial power over Burkina Faso?

A

France

3
Q

What did local farmers in Burkina Faso know better than the French?

A

Simple water harvesting techniques kept the Sahel green

4
Q

Which scheme was borrowed from Australia?

A

Agroforestry

5
Q

Which scheme allowed trees to be sold, as well as used to protect the land?

A

Agroforestry

6
Q

Which scheme requires people to dig up more land and use fertilisers and pesticides?

A

Zai Pits

7
Q

What do the diguettes (small walls) achieve?

A

Trap water surface runoff when it rains

Keeps moisture in the soil for longer

8
Q

Which micro-technique prevents soil erosion?

A

Diguettes (small walls)

9
Q

Which technique uses local knowledge (intermediate technology)?

A

Zai Pits

10
Q

What do Zai Pits do

A

Dig holes to trap water and improve soil fertiltiy

11
Q

What are demi lunes

A

Larger-scale versions of Zai Pits

12
Q

How do Demi Lunes help?

A

Allow people to grow a wider variety of vegetation and cropa

13
Q

How does the (Grevillea) afforestation scheme work?

A

Narrow trellises - bind soil, offer shelter belts / shade for areas (helps improve crop yields)

14
Q

How does coppicing help the environment?

A

Encourages trees to grow taller

15
Q

How does coppicing help local people

A

Provides them with firewood