The solutions to RLD - Desertification and their Effectiveness

Question 1

These projects reduce wind erosion and prevent soil erosion as the tree roots bind the soil and hold it in place?

Answer 1

Afforestation

Question 2

Why has the the Great Green Wall project has been heavily criticised; it is out of the reach of most developing nations?

Answer 2

Cost

Question 3

These terraces in Kenya have been made by digging a drainage channel and throwing soil uphill to make a ridge to increase infiltration?

Answer 3

Fanya juu

Question 4

Fanya Juu low technology approach has been particularly successful. However, maintaining the terraces is very labour intensive . How much do yields increase by?

Answer 4

50%

Question 5

‘Magic Stones’ are lines of stones placed along the contours of gently sloping land to trap rain water as well as soil. They are often called?

Answer 5

Diguettes

Question 6

The seasonal rainfall in the Sahel caused by the ITCZ results in excess ? which is trapped by stone lines.

Answer 6

Overland flow

Question 7

This allows farmers to control grazing area, allowing soil to recover at different times of the year

Answer 7

Moveable fencing

Question 8

These are are hollows dug to retain moisture and nutrients?

Answer 8

Zai Pitts

Question 9

Zai pits ensures year round plant coverage which increases ??? and reduced run-off

Answer 9

Infiltration