Desertification

Desertification Aim: To understand the effects of drought in countries that have a water deficit. Skill: To interpret a choropleth map

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

Describe which areas are vulnerable? ,[object Object]

The area of greatest risk: The Sahel Describe the location of the Sahel

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

Use this flow chart to explain the 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.

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]

Desertification

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Desertification