The Sahel CS

Question 1

3 Physical threats to food security in the Sahel

Answer 1

Increased periodic drought

Infertile soil - due to lack of vegetation

Changes in rainfall patterns - summer rain is lost due to evapotranspiration

Question 2

3 Solutions to physical threats in the Sahel

Answer 2

Irrigation is needed and also management of side effects such as salinisation

Re-greening projects - FAO Acacia project

Storage of water in winter - drought resistant gm crops

Question 3

3 Human threats to food security

Answer 3

Land grabbing - takes farmland away from rural/indigenous farmers

Increasing Deforestation - leads to increased water soil erosion

Overgrazing & Overcultivation - increased population, soil has no recovery time

Question 4

3 Solutions to human threats

Answer 4

improve legal rights for farmers

Afforestation projects

Educate farmers on different productive methods