Water Resources eAtlas
 

A13 Orange
Watersheds of Africa
     

 



 

Land Cover and Use Variables
  
Percent Forest Cover: 0.2
Percent Grassland, Savanna and Shrubland: 85.0
Percent Wetlands: 0.8
Percent Cropland: 6.0
Percent Irrigated Cropland: 0.5
Percent Dryland Area: 82.8
Percent Urban and Industrial Area: 2.2
Percent Loss of Original Forest Cover: 99.9

 
 
 

Basin Indicators
  
Basin Area (sq. km.): 941,351

Average Population Density (people per sq. km.):

 10
Number of Large Cities (>100,000 people): 4
Water Supply per Person (1995) (m3/person/year): 1,050
Degree of river fragmentation: High
Number of Dams (>15m high) in Basin: 37
Number of Dams (>150m high) in Basin: 1
Number of Dams (>60m high) under Construction: 1
Number of Dams (>15m high) on Main Stem of River: 2
Number of Dams (>150m high) on Main Stem of River: 0

 
 

 

 

Biodiversity Information and Indicators
  
Number of Fish Species: 24
Number of Fish Endemics: 7
Number of Amphibian Species: 42
Number of Ramsar Sites: 2
Number of Wetland-Dependent IBAs: 7
Number of Endemic Bird Areas: 2
Percent Protected Area: 4.7

 

 

 
 
  SADC - Orange River Basin Commission: http://www.sadcwscu.org.ls/

 

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