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The DRC’s vegetation is extremely rich and diverse. Most of the northern two-thirds of the country is covered in dense rain forest. Rubber trees of various species, coffee, cotton, and oil palms are indigenous. Among the native fruit trees are banana, coconut palm, and plantain. Timber trees occur abundantly. Species include teak, ebony, African cedar, mahogany, iroko, and redwood. In all, about 59 percent (2005) of the country’s total area is forested. Animal life is abundant and varied. Larger mammals found in the forests include elephants, gorillas, buffalo, chimpanzees, hippopotamuses, and okapis, rare relatives of giraffes that are found only in the Congo Basin. Important savanna mammals include lions, leopards, giraffes, zebras, and wolves, as well as elephants, hippopotamuses, and chimpanzees. Very rare mountain gorillas live in the mountains in the far east. Mambas, pythons, and crocodiles are among the numerous reptiles. Among the many species of birds are parrots, pelicans, flamingos, cuckoos, sunbirds, herons, and plovers. Insects are plentiful, particularly ants, termites, and mosquitoes, including the Anopheles mosquito, host of the parasite that causes malaria. Another disease-bearing insect, prevalent in lowlands, is the tsetse fly, which spreads sleeping sickness.
The DRC is richly endowed with natural resources. It has vast mineral deposits, notably cobalt, copper, uranium, gold, and diamonds. The country’s forest reserves are considered the most extensive in Africa. Many areas are well suited for growing crops. The highlands of the eastern DRC, with their rich volcanic soils, are especially productive. The Congo River and its tributaries provide a vast network of navigable waterways and have great hydroelectric potential. Development of some of the DRC’s resources has caused environmental problems, however. Deforestation, caused by forestry and clearing for agriculture, is an increasing environmental problem, especially in the Bas-Congo region and around Kinshasa.
Except in the high elevations, the country’s climate is very hot and humid. The average annual temperature in the low central area is about 27°C (about 80°F). Temperatures are considerably higher in February, the hottest month. At altitudes above about 1,500 m (about 5,000 ft) the average annual temperature is about 19°C (about 66°F). Average annual rainfall is about 1,500 mm (about 60 in) in the north and about 1,300 mm (about 50 in) in the south. Frequent heavy rains occur from April to November north of the equator and from October through May south of the equator. In the center of the country, rainfall is relatively evenly distributed throughout the year. These extreme conditions have limited settlement and development to areas along rivers and at higher altitudes.
Biodiversity in the DRC is among the highest in Africa because of the vast extent of the country’s biologically rich forests. Important endangered or rare large mammals include the elephant, rhinoceros, gorilla, hippopotamus, pygmy chimpanzee, and okapi. Altogether, 450 (2000) mammal species are known, with 29 (2004) threatened. Of the 929 (2000) known species of birds, 30 (2004) are threatened. The DRC has several major national parks—including Virunga National Park and Garamba National Park—that were created mainly to protect large game species. Several of these have been designated World Heritage sites. There are also faunal reserves, special hunting areas, and several biosphere reserves under the United Nations Educational, Scientific and Cultural Organization (UNESCO) Man and the Biosphere Program. Protected land totals about 5.1 percent (2004) of the country’s land area. Historically, local people did not participate in the management of protected areas and were frequently relocated to accommodate new parks. Wildlife poaching, soil erosion, and increasingly, deforestation, are the major environmental threats. Many people do not have access to safe water and sanitation, and waterborne diseases contribute to a low life expectancy in the DRC. The southern region is subject to periodic drought.
The DRC has a population (2007 estimate) of 64,606,759, with a density of 29 persons per sq km (74 per sq mi). Largely rural, the population is concentrated in the eastern highlands and along rivers. Only about 33 percent of the population lives in cities. In 2004 the DRC also had a refugee population of about 199,323, many of whom were exiles from instability in Rwanda. The remainder were Burundians, Angolans, and Sudanese, all fleeing upheavals in their countries. Meanwhile, about 462,203 DRC citizens had taken refuge in neighboring countries due to violence in the eastern DRC. The capital and largest city of the DRC is Kinshasa (formerly Léopoldville). Among other major cities are a southeastern copper-mining city, Lubumbashi (formerly Elisabethville); a south central diamond-mining center, Mbuji-Mayi (formerly Bakwanga); a southeastern industrial city, Kolwezi; and a northeastern Congo River port, Kisangani (formerly Stanleyville). Matadi, on the Congo estuary, is the DRC’s principal seaport.
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