| Table 1. Areas of vegetative cover types in Central Rocky Mountains, physiographic area 64. U.S. 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. Canadian cover types are taken from CCRS landcover database. | |||
| Cover types | Area (ha) |
Area (ac) |
Percent of Total |
| United States | |||
| Douglas fir forest | 5,361,200 |
13,247,525 |
8.90 |
| Western white pine forest | 892,100 |
2,204,379 |
1.48 |
| Larch forest | 1,100,700 |
2,719,830 |
1.83 |
| Chaparral forest | 1,100 |
2,718 |
0.00 |
| Fir-spruce forest * | 2,094,100 |
5,174,521 |
3.48 |
| Mixed hardwood forest * | 597,500 |
1,476,423 |
0.99 |
| Aspen-birch forest | 53,700 |
132,693 |
0.09 |
| Ponderosa pine forest * | 9,465,500 |
23,389,250 |
15.72 |
| Lodgepole pine forest * | 9,087,800 |
22,455,953 |
15.09 |
| Pinyon pine-juniper forest * | 508,900 |
1,257,492 |
0.84 |
| Wheat, irrigated agriculture, corn | 1,096,800 |
2,710,193 |
1.82 |
| Bluestem grassland | 618,500 |
1,528,314 |
1.03 |
| Grama grassland | 1,422,600 |
3,564,665 |
2.40 |
| Wheatgrass grassland | 4,399,900 |
10,872,153 |
7.30 |
| Sagebrush prairie | 1,014,400 |
2,506,582 |
1.69 |
| Greasewood brushland | 597,300 |
1,475,928 |
0.99 |
| Alpine tundra | 252,400 |
623,680 |
0.42 |
| Water * | 318,900 |
788,002 |
0.53 |
| Urban | 38,000 |
93,898 |
0.06 |
| Canada | |||
| High density evergreen forest | 1,988,600 |
4,913,831 |
3.30 |
| Medium density evergreen forest | 1,443,000 |
3,565,653 |
2.40 |
| Low density evergreen forest | 2,389,800 |
5,905,196 |
3.97 |
| Deciduous forest | 1,188,500 |
2,936,784 |
1.97 |
| Mixed evergreen forest | 1,297,600 |
3,206,370 |
2.15 |
| Mixed intermediate uniform forest | 904,600 |
2,235,267 |
1.50 |
| Mixed intermediate heterogeneous forest | 2,505,200 |
6,190,349 |
4.16 |
| Burned land | 80,300 |
198,421 |
0.13 |
| Transition treed shrubland | 1,295,400 |
3,200,933 |
2.15 |
| Wetland-shrubland | 3,124,800 |
7,721,381 |
5.19 |
| Grassland | 41,100 |
101,558 |
0.07 |
| Barren ground, sparse vegetation | 3,189,000 |
7,880,019 |
5.29 |
| Cropland | 239,800 |
592,546 |
0.40 |
| Mosaic land, woodland-cropland | 303,400 |
749,701 |
0.50 |
| Urban | 10,100 |
24,957 |
0.02 |
| Snow-ice | 659,600 |
1,629,872 |
1.10 |
| No data | 624,100 |
1,542,151 |
1.04 |
| Totals | 60,227,400 |
148,821,900 |
100 |