Desertification

Desertification Chesterton Community College GCSE Geography

What is desertification? ,[object Object],[object Object]

Which areas are vulnerable? ,[object Object]

The area of greatest risk: The Sahel South of the Sahara desert / North of the savanna grasslands

What is The Sahel like? ,[object Object],[object Object],[object Object],[object Object]

Physical reasons for desertification in The Sahel ,[object Object],[object Object]

Desertification: an animation With thanks to Staffordshire County Council

Causes of desertification Vegetation roots bind soil. Vegetation dies. Soil is left exposed. Sun bakes the soil and it cracks. Wind blows away soil. No leaves to intercept rain. Soil is washed away. The soil is degraded, losing fertility and structure.

Human reasons for land degradation ,[object Object],[object Object],[object Object],Overgrazing. Cutting down trees. Intensive agriculture. ‘ Desertification’ - caused by climate change. ‘Land degradation’ - caused by human activity

Physical impacts of desertification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Human impacts of desertification ,[object Object],[object Object],[object Object]

Tackling desertification ,[object Object],[object Object],[object Object],[object Object]

Tackling desertification ,[object Object],[object Object],[object Object]

Tackling desertification ,[object Object],[object Object],[object Object],[object Object],[object Object]

Magic stones! ,[object Object],[object Object]

Your tasks: Desertification in the Sahel ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Desertification

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