1. Desertification and Aswan High Dam Notes

2. Top of page 65 in white margin
SS7G2a. Explain how water pollution and the unequal distribution of water impacts irrigation, trade, industry, and drinking water.

4. Desertification (page. 65)
Where is this occurring?
In the Sahel - dry grassland just south of the Sahara
Caused by humans:
Cutting down trees and shrubs for firewood and farmland (deforestation)
Animals Overgrazing
Drought

6. Aswan High Dam (page 66)
Positives Negatives

7. Aswan High Dam Positives Land doesn’t flood anymore
Can plant crops year around
Can plant a variety of crops now
Provides water for irrigation
Navigation along the Nile has improved
Hydroelectric power

9. Nile River flowing through Cairo, Egypt.

10. Aswan High Dam Negatives
Silt is no longer naturally deposited; therefore, expensive chemical fertilizers have to be bought
Sardines and shrimp at the mouth of the Nile and the Mediterranean Sea are dying
People were relocated
Lake Nassar took 200,000 people’s homes
River bank and delta is eroding
Expensive to build and maintain