Theme. Agriculture. Agricultural Systems. The Sahel. Southern California. San Francisco. San Diego. http://www.ibe.unesco.org/ The Sahel Burkina Faso Cameroon Chad Gambia Mali Mauritania Niger Nigeria Senegal Sudan. Source: www.pbs.org.
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Arabic Sa hil, semiarid region of western and north-central Africa extending from Senegal eastward to The Sudan. It forms a transitional zone between the arid Sahara (desert) to the north and the belt of humid savannas to the south.
Cape Verde, Gambia, Guinea Bissau, Senegal, Mauritania, Mali, Burkina Faso, Niger, Chad
Self subsistence farming
Well-known food exporter
Similar physical inputs
Technology Low High
Governance Poor Efficient
Market Small + Local Large + Overseas
Simple, low cost, manual
Advanced, high cost, mechanical
Build dams, canals, reservoirs, drainage systems
Depends on international aids
Gain more than US$2 billion a year
Increasing arable land
Large scale construction
Loss of natural habitats