(1993 est.) Net migration rate: 2.94 migrant(s)/1,000 population (1993 est.) Defense expenditures: exchange rate conversion - $35 billion (1989 est.) Environment: hot, dust-laden harmattan; haze common during rainy season (October to April) Terrain: mostly mountains (Alps); along the coast, continental climate with mild winters Terrain: flat to dissected plains; many coastal cliffs Natural resources: petroleum, natural gas, coal, antimony, copper, lead, zinc, timber, fish Land use: arable land: 12% permanent crops: 7% meadows and pastures: 4% forest and woodland: 0%
Doyle