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Human-Environment Interaction: Challenges in the Sahel and Nigeria's Niger Delta

This chapter explores the complex interactions between humans and their environment, focusing on the Sahel and Nigeria's Niger Delta. It examines the causes and implications of desertification in the Sahel, discussing overgrazing, farming, and deforestation. The Aswan High Dam's role in managing the Nile is analyzed, highlighting issues like salinity and malaria. Additionally, the environmental problems stemming from oil production in Nigeria, including spills and explosions, are addressed. Overall, the section delves into crucial environmental challenges and the impact of human activities.

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Human-Environment Interaction: Challenges in the Sahel and Nigeria's Niger Delta

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  1. Chapter 18, Section 3 • Human-Environment Interaction

  2. Vocabulary • Niger delta • Sahel • desertification • Aswan High Dam • silt

  3. Human Perspective

  4. Desertification of the Sahel • Desertification • Overgrazing • Farming • Wood for fuel • Increased salt levels in soil

  5. Harming the Environment in Nigeria • Drilling the Delta • 6th leading producer • Problems • Spills • Explosions • Theft • Government reforms

  6. Controlling the Nile • Taming the “Gift of the Nile” • Aswan Dams • Dependable flow • Problems • No more silt • Salinity • Malaria • Success or failure?

  7. 7. Which of the below are causes of desertification of the Sahel? • a. Overgrazing • b. Increased levels of farming • c. Cutting of firewood • d. all of the above

  8. 8. Which of the below is NOT a problem associated with oil production in Nigeria? • a. air pollution • b. explosions • c. respiratory diseases • d. desertification

  9. 9. Which of the following is NOT a benefit of the Aswan High Dam? • a. annual deposits of silt over the Nile river flood plain. • b. a steady flow of water for irrigation. • c. the ability to bring more land under cultivation. • d. it help to avoid flooding.

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