Table 1. Areas of vegetative cover types in the Colorado Plateau, physiographic area 87. Forest coverages are taken from USFS FIA data, nonforest cover types are modified from USGS data. Habitat coverages with superscript * are combined from both databases by adding USGS coverage in the "nonforest" section of the USFS database.

Cover types

Area (ha)

Area (ac)

Percent of Total

Ponderosa pine forest *

1,381,100

3,412,698

5.21

Fir-spruce forest

142,800

352,859

0.54

Lodgepole pine forest *

257,600

636,530

0.97

Chaparral forest

518,600

1,281,461

1.96

Pinyon pine-juniper forest *

5,351,700

13,224,050

20.21

Mixed hardwood forest

378,100

934,285

1.43

Riparian woods

7,200

17,791

0.03

Sagebrush prairie

1,696,200

4,191,310

6.40

Creosote brushland

2,299,300

5,681,570

8.68

Greasewood brushland

11,849,700

29,280,608

44.74

Irrigated agriculture, wheat, corn

66,200

163,580

0.25

Grama, wheatgrass, bluestem grassland

1,402,900

3,466,566

5.30

Alpine tundra

600

1,483

0.00

Water

171,600

424,024

0.65

Urban

14,500

35,830

0.05

Barren ground, sparse vegetation

946,600

2,339,049

3.58

 Totals

26,484,700

65,443,693

100