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River of Waterfalls [02.28.09]
The Zambezi (also spelled Zambesi) is the fourth-longest river in Africa, and the largest flowing into the Indian Ocean from Africa. The area of its basin is 1,390,000 km² (537,000 miles²), slightly less than half that of the Nile. The 2,574 km- (1,600 mile-) long river has its source in Zambia and flows through Angola, along the borders of Namibia, Botswana, Zambia, and Zimbabwe, to Mozambique, where it empties into the Indian Ocean.
The Zambezi's most spectacular feature is the beautiful Victoria Falls, the world's largest waterfall. Other notable falls include the Chavuma Falls at the border between Zambia and Angola, and Ngonye Falls, near Sioma in Western Zambia.
There are two main sources of hydroelectric power on the river. These are the Kariba Dam, which provides power to Zambia and Zimbabwe and the Cahora Bassa Dam in Mozambique which provides power to South Africa. There is also a smaller power station at Victoria Falls.
Hidden Source? [02.27.09]
The river rises into a black marshy dambo in north-western Zambia, in undulating miombo woodland, quite dense in parts, about 1,524 m (4,900 ft) above sea level. Eastward of the source, the watershed between the Congo and Zambezi basins is a well-marked belt of high ground, falling abruptly north and south, and running nearly east-west. This distinctly cuts off the basin of the Lualaba (the main branch of the upper Congo) from that of the Zambezi. In the neighbourhood of the source the watershed is not as clearly defined, but the two river systems do not connect.
Wildlife [02.26.09]
The river supports large populations of many animals. Hippopotamuses are abundant along most of the calm stretches of the river, and many crocodiles are also present. Monitor lizards are found in many places. Bird life is abundant, with species including heron, pelican, egret and African Fish Eagle present in large numbers. Riverine woodland also supports many large animals, such as buffalo, zebras, giraffes and elephants. However, below Kariba and Cahora Bassa dams, the cessation of annual flooding has seen the area of this habitat greatly reduced and a corresponding reduction in the populations of the large mammals.
The Zambezi also supports several hundred species of fish, some of which are endemic to the river. Important species include cichlids which are fished heavily for food, as well as catfish, tigerfish, yellowfish and other large species. The bull shark is sometimes known as the Zambezi Shark after the river but is found around the world. It normally inhabits coastal waters but has been found far inland in many large rivers including the Zambezi. It is an aggressive shark which has been responsible for several attacks on humans.
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