Table 1. Areas of vegetative cover types in Central Mixed Grass Prairie, physiographic area 34. Forest coverages are taken from USFS FIA data, nonforest cover types are modified from USGS data. Water coverage is combined from both databases by adding USGS water in the "nonforest" section of the USFS database.

Cover types

Area (ha)

Area (ac)

Percent of Total

Elm-ash-cottonwood forest

91,900

227,085

0.41

Ponderosa, lodgepole pine forest

8,000

19,768

0.04

Wheat, small grain crops

4,634,600

11,452,097

20.96

Corn, soybeans

3,140,800

7,760,917

14.21

Irrigated agriculture

1,142,700

2,823,612

5.17

Bluestem grassland

6,598,400

16,304,646

29.85

Grama grassland

3,276,500

8,096,232

14.82

Wheatgrass grassland

2,931,000

7,242,501

13.26

Pasture, hay, mixed crops

233,900

577,967

1.06

Sagebrush, greasewood brushland

9,600

23,722

0.04

Water

39,900

98,593

0.18

 Totals

22,107,300

54,627,138

100