| Table 1. Areas of vegetative cover types in the Northern Tallgrass Prairie, physiographic area 40. U.S. 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. Canadian coverages are from CCRS database. Urban area combined from USFS FIA and Canadian databases. | |||
| Cover Type | Area (ha) |
Area (ac) |
Percent of Total |
| United States | |||
| White-red-jack pine forest | 49,495 |
122,302 |
0.32 |
| Ponderosa pine, spruce-fir, lodgepole pine forest | 5,378 |
13,288 |
0.03 |
| Oak-hickory forest | 138,227 |
341,560 |
0.90 |
| Elm-ash-cottonwood forest | 82,658 |
204,247 |
0.54 |
| Maple-beech-birch forest | 110,243 |
272,411 |
0.72 |
| Aspen-birch forest | 98,990 |
244,604 |
0.64 |
| Wheat, irrigated agriculture | 3,659,539 |
9,042,721 |
23.76 |
| Corn, soybeans | 8,650,363 |
21,375,047 |
56.18 |
| Bluestem grassland | 66,425 |
164,136 |
0.43 |
| Wheatgrass, grama grassland | 27,287 |
67,426 |
0.18 |
| Pasture, hay, mixed crops | 1,088,889 |
2,690,645 |
7.07 |
| Water | 68,317 |
168,811 |
0.44 |
| Canada | |||
| Low density evergreen forest | 1,394 |
3,445 |
0.01 |
| Mixed hardwood-pine forest | 12,050 |
29,776 |
0.08 |
| Wetland/shrubland | 15,336 |
37,896 |
0.10 |
| Grassland | 93,114 |
230,085 |
0.61 |
| Croplands | 259,027 |
640,055 |
1.68 |
| Mosaic land, woodland/cropland | 709,760 |
1,753,816 |
4.61 |
| Urban | 257,135 |
635,381 |
1.67 |
| No data | 5,377 |
13,287 |
0.03 |
| Totals | 15,399,004 |
38,050,938 |
100 |