Table 1. Areas of vegetative cover types in the Northern Shortgrass Prairie, physiographic area 39. U.S. forest coverages are taken from USFS FIA data, nonforest cover types are modified from USGS data. Habitat types with superscript * consist of coverages combined from USFS FIA data with the addition of USGS data in the "nonforest" portion. Canadian coverages are from the CCRS database.

Cover types

Area (ha)

Area (ac)

Percent of Total

United States

Douglas fir forests

35,400

87,473

0.08

Fir-spruce forest *

1,200

2,965

0.00

Ponderosa pine forest *

1,396,700

3,451,246

3.27

Lodgepole pine forest *

114,500

282,930

0.27

Mixed hardwood forest *

114,600

283,177

0.27

Pinyon pine-juniper forest *

52,600

129,975

0.13

Aspen forest

3,100

7,660

0.01

Riparian woods

303,800

750,690

0.71

Wheat, small grain crops

664,200

1,641,238

1.56

Irrigated agriculture, corn, soybeans

220,400

544,608

0.52

Bluestem grassland

350,000

864,850

0.82

Grama grassland

1,379,200

3,408,003

3.23

Wheatgrass grassland

21,784,700

53,829,994

51.03

Sagebrush prairie

436,200

1,077,850

1.02

Greasewood brushland

2,555,000

6,313,405

5.99

Barren land

1,800

4,448

0.01

Water *

231,000

570,801

0.54

Urban

24,300

60,045

0.06

Canada

Mixed evergreen forest

3,100

7,660

0.01

Mixed hardwood forest

41,200

101,805

0.10

Mixed intermediate forest

25,000

61,775

0.06

Wetland-shrubland

15,400

38,053

0.04

Grassland

3,318,800

8,200,755

7.78

Cropland

8,302,300

20,514,983

19.45

Mosaic land, woodland-cropland

1,024,700

2,532,034

2.40

Barren land

16,000

39,536

0.04

No data

253,700

626,893

0.60

 Totals

42,688 900

105,434,852

100