Hot Deserts (AQA GCSE Geography): Quizzes
📚Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is desertification?
What is desertification?
Land becoming drier & less productive
What proportion of the world's land surface is at risk of desertification?
What proportion of the world's land surface is at risk of desertification?
One third
Where is the Sahel, the most famous area at risk from desertification?
Where is the Sahel, the most famous area at risk from desertification?
Below the Sahara Desert in Africa
How does climate change affect rainfall in areas at risk of desertification?
How does climate change affect rainfall in areas at risk of desertification?
It reduces rainfall in dry areas
What happens when temperatures increase in areas at risk of desertification?
What happens when temperatures increase in areas at risk of desertification?
More water evaporates from land
What causes overgrazing to lead to desertification?
What causes overgrazing to lead to desertification?
Cattle eat plants faster than regrowth
Why does over-cultivation cause desertification?
Why does over-cultivation cause desertification?
All soil nutrients get used up
What causes salinization in desertified areas?
What causes salinization in desertified areas?
Water evaporates, drawing salts up
How does afforestation help prevent desertification?
How does afforestation help prevent desertification?
Tree roots hold soil together
What is agroforestry?
What is agroforestry?
Growing trees amongst crops
How do earth dams help manage water in areas at risk of desertification?
How do earth dams help manage water in areas at risk of desertification?
They store wet season water for dry use
What is the purpose of bunds (stone lines) in preventing desertification?
What is the purpose of bunds (stone lines) in preventing desertification?
To hold water on soil