Hot deserts

Question 1

Water management in hot deserts

Answer 1

People have built low stone walls to stop water from running down slopes after heavy rainfall

Question 2

Soil management in hot deserts

Answer 2

ATRIPLEX holds soil together and provides grazing for sheep and goats.

Question 3

How does tree planting reduce errosion?

Answer 3

Tree planting reduces erosion. Tree roots bind the soil together and the leaves and branches provide shade, which is good for grazing.

Question 4

Appropriate technology in hot deserts

Answer 4

Many people living on the edges of deserts are poor. APPROPRIATE TECHNOLOGY involves using methods and materials that are appropriate to their level of development.

Question 5

What are magic stones (West Africa)?

Answer 5

lines of stones are used to reduce soil erosion. they are low stone walls built on the contours of slopes. When the rain washes down the hillside the walls trap water and soil.

Question 6

How have magic stones helped hot deserts?

Answer 6

Reduces desertification and increases crop growth