Water Resources eAtlas
 

NA05 Columbia
Watersheds of North and Central America

     

 

 

 

Land Cover and Use Variables
  
Percent Forest Cover: 50.0
Percent Grassland, Savanna and Shrubland: 35.5
Percent Wetlands: 6.3
Percent Cropland: 6.4
Percent Irrigated Cropland: 3.6
Percent Dryland Area: 61.8
Percent Urban and Industrial Area: 7.3
Percent Loss of Original Forest Cover: 21.6

 

 
 

Basin Indicators
  
Basin Area (sq. km.): 657,501
Average Population Density (people per sq. km.): 9
Number of Large Cities (>100,000 people): 3
Water Supply per Person (1995) (m3/person/year): 39,474
Degree of river fragmentation: High
Number of Dams (>15m high) in Basin: 184
Number of Dams (>150m high) in Basin: 39
Number of Dams (>60m high) under Construction: 0
Number of Dams (>15m high) on Main Stem of River: 17
Number of Dams (>150m high) on Main Stem of River: 3

 

 
 

Biodiversity Information and Indicators
  
Number of Fish Species: -
Number of Fish Endemics: 13
Number of Amphibian Species: 7
Number of Ramsar Sites: 1
Number of Wetland-Dependent IBAs: -
Number of Endemic Bird Areas: 0
Percent Protected Area: 7.5

 

 

 

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