Human Environment Interactions (Sub-Saharn Africa)

How has human activity affected the Sahel?

• New land management techniques have opened new fields

• Forests are gradually replacing the grasslands.

• Farming has allowed people to grow new crops on the land.

• Poor use of resources has made the soil less fertile.

What is desertification?

• when a desert takes over the rainforest

• the process by which fertile land becomes desert

• eating as much dessert as you want

• lack of rainfall

What question does the theme: Human Environment Interaction ask?

• How do humans negatively impact the earth?

• What is the relationship between humans and the environment?

• How are humans and their environment similar?

Why are the Rainforests being destroyed?

• diseases carried by insects

• Wildfires

• tropical storms

• human demand for wood and farmland

Which human activity would have a negative impact on the earth?

• Reforestation

• preserving endangered species

• burning fossil fuels for energy

• Using alternative energy sources

Building dams is an example of?

• Adapting to the environment

• Depending on the environment

• Modifying the environment

• Loving the environment

Describe Desertification.

• Becoming a forest
• Desert Land decreasing
• Desert Land increasing
• Lush shrub expanding

Are deforestation and desertification related?

• Yes; desertification and deforestation are the same thing.
• Yes; deforestation contributes to desertification
• No, they�re not related
• It is unknown if they are related.

Although Africa is a large, diverse area, it has little fertile soil. Drought, disease, and insects threaten Africa's crops. What must Africans do to capitalize on their land as a resource?

• They must concentrate on diamond trade instead of farming.

• They must develop irrigation techniques and disease-resistant crops.

• They must develop trade areas in order to learn to survive rough conditions.

• They must mine for gold and accept the fact that their land cannot be farmed.

It is difficult to grow crops in much of inland Africa MAINLY because of the region's lack of

• soil.

• sun.

• land.

• water.