Luangwa River ago, there was no way out and the Luangwa Rift filled with a Rift Valley Lake called the Madumabisa Lake, which rivalled Lake Malawi in size. The water of the lake overflowed in a river to the south-west, towards what is now the Kalahari, where it combined with the Okavango, Upper Zambezi, Cuando and Kafue rivers, emptying into the Limpopo River and flowing to the Indian Ocean. Several geological events combined to produce the current river systems. Faulting produced another graben just to the south of the Luangwa Rift, and running east-west: the Zambezi Rift Valley and the Chicoa Trough.
Middle Zambezi Biosphere Reserve population in the urban area in the Biosphere Reserve and the CAMPFIRE buffer zones. The core zones have only Park staff people, while the safari areas contain less than 50 people at any time, comprising mainly sport hunters and their hosts. Land Management units comprise the two core areas and 11 buffer zone areas. Middle Zambezi Biosphere Reserve The Middle Zambezi Biosphere Reserve (established 2010) is a UNESCO Biosphere Reserve located along the Zambezi River in the Zambezi Valley of Zimbabwe.. The reserve consists of riverine and terrestrial ecosystems unique to the subcontinent. Among threatened species found in the valley