Natural resources:
petroleum, phosphates, iron ore, lead, zinc, salt
Land use:
arable land: 17.05% permanent crops: 13.08% other: 69.87% (2005)
Irrigated land:
3,940 sq km (2003)
Total renewable water resources:
4.6 cu km (2003)
Freshwater withdrawal (domestic/industrial/agricultural):
total: 2.64 cu km/yr (14%/4%/82%) per capita: 261 cu m/yr (2000)