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Desertification
Causes of desertification
Limiting desertification
Soil desertification - Quiz

Soil desertification - Quiz

Answer each question below, then choose Check answers to see your score. You can reveal the correct responses after marking.

1 What is desertification?

Eating too much chocolate pudding Land degrading to desert due to climate and landuse The wetting up of sandy soils

2 Why is desertification increasing worldwide?

Desertification is not increasing, but is actually declining Increasing land pressures and changing climates Growing rural populations

3 Which climatic factor contributes most to desertification?

Monsoon rains drenching the soil Increased wind and rain A warming climate with decreasing rain Earth, Wind and Fire (ask your Mum!)

4 Which human activities LESSEN the chance of desertification?

Huge overgrazing of the land by herds of animals Planting drought resistant crop species Using bushes and shrubs for firewood Deforestation of areas for timber

5 Is climate change the ONLY factor in increasing desertification?

No, climatic effects are magnified by human activities No, this has no impact on landscapes Yes, this impacts hugely on landscapes

6 Why is desertification a problem for farmers?

Land becomes too degraded to support agricultural activity No problem - farmers just move their herds It will all balance out in the end

7 How many people worldwide are estimated to be directly affected by desertification?

2,500 250,000 250,000,000 250,000,000,000

8 Where in the world is desertification most evident?

In the arid, semi-arid and sub-humid zones of the world In temperate Northern Europe and Canada In humid equitorial rainforests

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