NA09
Mississippi | Arkansas
Watersheds of North and Central America
Land Cover and Use Variables
Percent Forest Cover:
15.0
Percent Grassland, Savanna and Shrubland:
49.6
Percent Wetlands:
2.0
Percent Cropland:
17.2
Percent Irrigated Cropland:
8.9
Percent Dryland Area:
-
Percent Urban and Industrial Area:
11.5
Percent Loss of Original Forest Cover:
65.0
Basin Indicators
Basin Area (sq. km.):
435,122
Average Population Density (people per sq. km.):
13
Number of Large Cities (>100,000 people):
2
Water Supply per Person (1995) (m3/person/year):
4,000-10,000
Degree of river fragmentation:
-
Number of Dams (>15m high) in Basin:
387
Number of Dams (>150m high) in Basin:
9
Number of Dams (>60m high) under Construction:
0
Number of Dams (>15m high) on Main Stem of River:
18
Number of Dams (>150m high) on Main Stem of River:
0
Biodiversity Information and Indicators
Number of Fish Species:
165
Number of Fish Endemics:
21
Number of Amphibian Species:
14
Number of Ramsar Sites:
1
Number of Wetland-Dependent IBAs:
-
Number of Endemic Bird Areas:
0
Percent Protected Area:
0.6
US Environmental Protection Agency's Arkansas River Basin Website:
http://www.epa.gov/msbasin/arkansas.htm
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