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Desertification
• Every country in North Africa is affected in some capacity

by the Sahara Desert.
Desertification
Desertification – is the change of fertile (good farm land) land
that is too dry or damaged to support life.
Main Causes
Overgrazing- animals eat to much

Over farming- farmers over use the soil
Drought- there is nothing to hold down the good soil since all
of the plants are dried up
Desertification
• Topsoil is the top layer

of ground that has the
nutrients/food to help
plants grow.
Desertification
Desertification is threatening the way of life of many West
African farmers.
Solutions – Need to repair topsoil
1. Stop overgrazing or over farming fertile land.
2. New irrigation projects.
3. Pray for more rain.
The Sahel
• The word Sahel means

“shore” in Arabic.
• Why is this an

appropriate word to
describe the Sahel?
• Why would it be bad if

the Sahara Desert is
expanding?
The Sahel- Where desert meets savanna
Sub Sahara Africa- 2010’s
Land Desertification Facts: Sub Sahara
• An estimated 485 million Africans (65 percent of the entire

African population) are affected by desertification.
• Approximately 22 percent of vegetated land (almost 500
million hectares) of Africa has been lost.
• About 11 percent of total African land area (332 million
hectares) is drylands affected by human/climate-induced
desertification.
Dust Bowl United States 1930’s
Dust Bowl United States 1930’s
Dust Bowl Facts: United States
• By 1934, because of years of repeated dust storms,

approximately 100 million acres of farmland no longer had
enough topsoil to grow crops.
• In 1934, only 14.5 inches fell, which caused corn yield
crops to drop by 75%.
• Poor farming practices contributed to the Dust Bowl.
These included: over planting crops and overgrazing, as
well as massive plowing under of natural grasses and
replacing them with crops that weren’t drought resistant
Dust
Storms
A massive dust storm
2 miles high traveled
2,000 miles before
hitting the East Coast
on May 11, 1934. For
five hours, a fog of
prairie dirt
enshrouded
landmarks such as
the Statue of Liberty
and the U.S. Capitol,
inside which
lawmakers were
debating a soil
conservation bill.
Solutions
1. Irrigation of the
land
2. Crop rotation
3. Planting of
drought resistant
crops
4. limit grazing of
animals

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Desertification

  • 1. Desertification • Every country in North Africa is affected in some capacity by the Sahara Desert.
  • 2. Desertification Desertification – is the change of fertile (good farm land) land that is too dry or damaged to support life. Main Causes Overgrazing- animals eat to much Over farming- farmers over use the soil Drought- there is nothing to hold down the good soil since all of the plants are dried up
  • 3. Desertification • Topsoil is the top layer of ground that has the nutrients/food to help plants grow.
  • 4. Desertification Desertification is threatening the way of life of many West African farmers. Solutions – Need to repair topsoil 1. Stop overgrazing or over farming fertile land. 2. New irrigation projects. 3. Pray for more rain.
  • 5. The Sahel • The word Sahel means “shore” in Arabic. • Why is this an appropriate word to describe the Sahel? • Why would it be bad if the Sahara Desert is expanding?
  • 6. The Sahel- Where desert meets savanna
  • 8. Land Desertification Facts: Sub Sahara • An estimated 485 million Africans (65 percent of the entire African population) are affected by desertification. • Approximately 22 percent of vegetated land (almost 500 million hectares) of Africa has been lost. • About 11 percent of total African land area (332 million hectares) is drylands affected by human/climate-induced desertification.
  • 9. Dust Bowl United States 1930’s
  • 10. Dust Bowl United States 1930’s
  • 11. Dust Bowl Facts: United States • By 1934, because of years of repeated dust storms, approximately 100 million acres of farmland no longer had enough topsoil to grow crops. • In 1934, only 14.5 inches fell, which caused corn yield crops to drop by 75%. • Poor farming practices contributed to the Dust Bowl. These included: over planting crops and overgrazing, as well as massive plowing under of natural grasses and replacing them with crops that weren’t drought resistant
  • 12. Dust Storms A massive dust storm 2 miles high traveled 2,000 miles before hitting the East Coast on May 11, 1934. For five hours, a fog of prairie dirt enshrouded landmarks such as the Statue of Liberty and the U.S. Capitol, inside which lawmakers were debating a soil conservation bill.
  • 13. Solutions 1. Irrigation of the land 2. Crop rotation 3. Planting of drought resistant crops 4. limit grazing of animals