Kalahari Desert northwest, forming marshes that are rich in wildlife. Ancient dry riverbeds—called omuramba—traverse the central northern reaches of the Kalahari and provide standing pools of water during the rainy season. A semi-desert, with huge tracts of excellent grazing after good rains, the Kalahari supports more animals and plants than a true desert, such as the Namib Desert to the west. There are small amounts of rainfall and the summer temperature is very high. The driest areas usually receive of rain per year, and the wettest just a little over . The surrounding Kalahari Basin covers over extending further into Botswana, Namibia
Kalahari Debate Iron Age technologies at San sites, which both sides use to back their arguments. The San are a relatively small group of people whose communities are scattered throughout the Kalahari Desert in southern Africa. They are well known for practicing a hunter/gatherer subsistence strategy (also known as a "foraging" mode of production). Traditionalists, including Richard Lee and other anthropologists, view the San as maintaining this old but adaptable way of life, even in the face of changing external circumstances. These anthropologists view the San as isolates who are not, and have never been, part of a greater Kalahari economy. The