Water Resources eAtlas - Watersheds of the World

SA06 Parnaíba
Watersheds of South America

Land Cover and Use Variables

Percent Forest Cover:	5.8
Percent Grassland, Savanna and Shrubland:	47.4
Percent Wetlands:	18.8
Percent Cropland:	44.8
Percent Irrigated Cropland:	0.1
Percent Dryland Area:	57.7
Percent Urban and Industrial Area:	1.8
Percent Loss of Original Forest Cover:	26.8

Basin Indicators

Basin Area (sq. km.):	322,887
Average Population Density (people per sq. km.):	10
Number of Large Cities (>100,000 people):	1
Water Supply per Person (1995) (m3/person/year):	7,729
Degree of river fragmentation:	Medium
Number of Dams (>15m high) in Basin:	13
Number of Dams (>150m high) in Basin:	0
Number of Dams (>60m high) under Construction:	1
Number of Dams (>15m high) on Main Stem of River:	8
Number of Dams (>150m high) on Main Stem of River:	0

Biodiversity Information and Indicators

Number of Fish Species:	90
Number of Fish Endemics:	-
Number of Amphibian Species:	-
Number of Ramsar Sites:	0
Number of Wetland-Dependent IBAs:	-
Number of Endemic Bird Areas:	1
Percent Protected Area:	0.7