Geography · GCSE · AQA · AQA GCSE Geography (8035) · Specification point · 3.1.2.3 · Living with the physical environment · Section B: The living world
3.1.2.3 Hot deserts
| Key idea | Specification content |
|---|---|
Hot desert ecosystems have a range of distinctive characteristics. | The physical characteristics of a hot desert. The interdependence of climate, water, soils, plants, animals and people. How plants and animals adapt to the physical conditions. Issues related to biodiversity. |
Development of hot desert environments creates opportunities and challenges. | A case study of a hot desert to illustrate:
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Areas on the fringe of hot deserts are at risk of desertification. |
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Causes of desertification – climate change, population growth, removal of fuel wood, overgrazing, over-cultivation and soil erosion.
Strategies used to reduce the risk of desertification – water and soil management, tree planting and use of appropriate technology.