Republic of the Congo is located in the central-western part of sub-Saharan Africa, along the Equator. To the south and east of it is the Democratic Republic of the Congo, Gabon to the west, Cameroon and the Central African Republic to the north, and Cabinda (Angola) to the southwest. It has a short coast on the Atlantic Ocean. The southwest of the country is a coastal plain for which the primary drainage is the Kouilou-Niari River; the interior of the country consists of a central plateau between two basins to the south and north. Forests are under increasing exploitation pressure. In 2006–07, researchers from the Wildlife Conservation Society studied gorillas in heavily forested regions centered on the Ouesso district of the Sangha Region. They suggest a population on the order of 125,000 western lowland gorillas, whose isolation from humans has been largely preserved by inhospitable swamps. The economy is a mixture of village agriculture and handicrafts, an industrial sector based largely on petroleum, support services, and a government characterized by budget problems and overstaffing. Petroleum extraction has supplanted forestry as the mainstay of the economy. In 2008, oil sector accounted for 65% of the GDP, 85% of government revenue, and 92% of exports. The country also has large untapped mineral wealth. (Wikipedia)