3.2.5.1. Causes of Desertification

Try these first

1. 1.

   Define desertification.

   Hint

   Think about what happens to productive land when it becomes unproductive.

2. 2.

   What is overgrazing?

   Hint

   Consider how grazing affects grass and plant growth.

3. 3.

   What is desertification primarily caused by?

   • Only climate change
   • Only human activity
   • A combination of both

   Hint

   Consider all the factors mentioned in the texts.

4. 4.

   True or False: Overgrazing helps in maintaining healthy ecosystems.

   • True
   • False

   Hint

   Think about the consequences of excessive livestock grazing.

5. 5.

   Design a sustainable grazing plan that could mitigate the effects of overgrazing in semi-arid areas. Consider both ecological and social factors.

   Hint

   Think of solutions that balance livestock needs and ecological health.

6. 6.

   Evaluate the economic impacts of cultivating marginal land for a crop. What strategies could improve outcomes?

   Hint

   Consider how careful planning and crop selection can lead to better economic outcomes.