#5 – In SE Asia, it was Industry & Population. In Africa, it is Human Activity or Natural Environment Pollution. #6 – Soil is not fertile for growing.

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Presentation transcript:

#5 – In SE Asia, it was Industry & Population. In Africa, it is Human Activity or Natural Environment Pollution. #6 – Soil is not fertile for growing crops. Agricultural industry suffers.

Sahelian Africa Sahel: A semiarid region of north-central Africa south of the Sahara Desert WHERE DOES DESERTIFICATION OCCUR?

Background to the Sahel The countries comprising this region of Sub-Saharan Africa depend more on their natural resource base for economic and social needs than any other region in the world. Two-thirds of this region’s people live in rural areas and rely on agriculture and other natural resources for income.

SAHELIAN DESERTIFICATION Desertification is when a desert gradually spreads to the surrounding areas of semi-desert. Why?......

Why does the Sahel suffer from desertification? DESERTIFICATION Increase in population Increase in cattle Deforestation for fire wood Grassland grazed more intensively Roots no longer hold soil togetherRoots may be eaten as well as grass Leaves no longer protect soil from weather Less vegetation means less protection from weather Loose top soil blown away by wind -Soil Erosion = Loose top soil blown away by wind -Soil Erosion = DESERTIFICATION RELATED

“Where did all the greenery go? I hate desertification! I do however love my beard and small jean shorts.”