Omuramba

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Location of omiramba in the border area of Namibia and Botswana. Omiramba.png
Location of omiramba in the border area of Namibia and Botswana.

Omuramba (plural: Omiramba) is the term for ancient river-beds found in the Kalahari Desert of Africa, notably in the North Eastern part of Namibia and North Western part of Botswana. The word is taken from the Herero language. An omuramba provides occasional standing pools of water and more fertility than in the surrounding sand plains. Some specific omiramba are named: Eiseb, Rietfontein, Epukiro, Omatako. They mostly start in the central parts of Namibia and run into the central parts of Botswana. [1]

Contents

Description

The depth and width of the beds varies, with some being 3 to 4 km wide. Omiramba that were perennial rivers about 16,000 years ago now flow only for short distances, and only after heavy rains. [1] [2]

History

Omiramba have historically been sites for battles which were fought along their winding courses, notably the Herero-German war in 1904, which ended in a terrible genocide that killed nearly 70 percent of the Herero population and saw many others flee down the courses of omiramba, which were then in the dry season and inhospitable. [3] The omiramba were also home to the San people in pre-colonial times. [2]

Threats

Today, the omiramba are one of many natural water resources being used for agriculture and drinking water by not only the historical nomadic population, but a new and growing sedentary population practicing permanent agriculture. Studies have highlighted concerns about the possible unsustainable use of water in the region. [2]

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The Mbanderu are a population inhabiting eastern parts of Namibia and western parts of Botswana. They speak Otjiherero, a Bantu language.

<span class="mw-page-title-main">Eiseb</span> Settlement in Omaheke Region, Namibia

Eiseb, also Eiseb Block, is a settlement in the Omaheke Region of Namibia. It is named after the Eiseb River, an ephemeral river (omuramba) in the Kalahari desert. Eiseb is situated on the District road D1635 c. 350 kilometres (220 mi) northeast of Tallismanus and belongs to the Otjombinde electoral constituency.

References

  1. 1 2 Strohbach, Ben (1 January 2008). "Mapping the major catchments of Namibia". Agricola. 18 (1): 63–73 via ResearchGate.
  2. 1 2 3 Jacobson, Peter James; Jacobson, Kathryn; Seely, M. (1 January 1995). Ephemeral Rivers and Their Catchments: Sustaining People and Development in Western Namibia.
  3. Bollig, Michael; Gewald, Jan-Bart, eds. (2000). People, cattle and land: transformations of a pastoral society in Southwestern Africa. History, cultural traditions, and innovations in Southern Africa. Köln: R. Köppe. ISBN   978-3-89645-352-5. OCLC   48621279.

18°52′S21°38′E / 18.87°S 21.64°E / -18.87; 21.64