Africa s environmental problems mrs k l rogers 7 th grade social studies copy all of each slide
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Deforestation: The result of cutting down trees to use for money & free up land for farming. PowerPoint PPT Presentation


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Africa’s Environmental Problems Mrs. K. L. Rogers 7 th Grade Social Studies (Copy ALL of each slide.). Deforestation: The result of cutting down trees to use for money & free up land for farming.

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Deforestation: The result of cutting down trees to use for money & free up land for farming.

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Africa s environmental problems mrs k l rogers 7 th grade social studies copy all of each slide

Africa’s Environmental ProblemsMrs. K. L. Rogers7th Grade Social Studies(Copy ALL of each slide.)


Deforestation the result of cutting down trees to use for money free up land for farming

Deforestation:

The result of cutting down trees to use for money & free up land for farming.

**Problem: Cutting down trees leads to erosion (wearing away) of the land & leaves it useless for farming (raising livestock) & agriculture (growing crops).

**Problem: Destroying the rainforest areas & disrupting the natural balance of nature. (Both flora (plants) & fauna (animals) are becoming extinct.)


Water issues etc

Water Issues, etc…

  • Farmers depend on chemical fertilizers to grow crops

  • These chemicals end up polluting Africa’s water systems (rivers & lakes).

  • People tend to live near waters systems, especially in Africa, due to the extreme dry conditions in much of the continent.

  • Limited access to water explains the low population in the Sahara Desert.


Desertification

Desertification

  • Africa suffers from extreme drought (no rainfall)

  • Drought leads to the problems of:

    FAMINE (EXTREME shortage of food) & DESERTIFICATION(spread of desert-like conditions) which makes farming impossible. (Also caused by over-grazing & cutting down trees=OVER USE OF LAND BY HUMANS).

  • The Sahel is slowly turning into desert (desertification).

  • The Savanna is slowly turning into the Sahel.

  • Before long….most of Africa could be a desert!


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