Zambezi the overflow of the Zambezi in the rainy season. The delta of the Zambezi is today about half as broad as it was before the construction of the Kariba and Cahora Bassa dams controlled the seasonal variations in the flow rate of the river. Before the dams were built seasonal flooding of the Zambezi had quite a different impact on the ecosystems of the delta from today as it brought nutritious fresh water down to the Indian Ocean coastal wetlands. The lower Zambezi experienced a small flood surge early in the dry season as rain in the Gwembe catchment and
Zambezi eagle present in large numbers. Riverine woodland also supports many large animals, such as buffalo, zebras, giraffes, elephants. 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. Upper Zambezi: 507,200 km, discharges 1044 m/s at Victoria Falls, comprising: ""'Middle Zambezi cumulatively 1,050,000 km, 2442 m/s, measured at Cahora Bassa Gorge ""'Lower Zambezi cumulatively,