| Table 1. Areas of vegetative cover types in the St. Lawrence Plain, physiographic area 18. 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 taken from the CCRS landcover database. | |||
| Cover types | Area (ha) |
Area (ac) |
Percent of Total |
| United States | |||
| White-red-jack pine forests | 63,555 |
157,045 |
0.53 |
| Spruce-fir forest | 11,239 |
27,772 |
0.09 |
| Oak-hickory, oak-pine forest | 57,588 |
142,299 |
0.48 |
| Maple, mixed hardwood forest | 923,393 |
2,281,704 |
7.72 |
| Wheat, small grain crops | 4,575 |
11,305 |
0.04 |
| Corn, soybeans, irrigated agriculture | 140,538 |
347,269 |
1.18 |
| Bluestem, grama, wheatgrass grassland | 1,890 |
4,670 |
0.02 |
| Pasture, hay, mixed crops | 134,869 |
333,260 |
1.13 |
| Water | 168,884 |
417,312 |
1.41 |
| Canada | |||
| High density evergreen forest | 40,381 |
99,782 |
0.34 |
| Medium density evergreen forest | 33,518 |
82,824 |
0.28 |
| Low density evergreen forest | 62,163 |
153,605 |
0.52 |
| Mixed deciduous forest | 3,255,746 |
8,044,947 |
27.23 |
| Mixed evergreen forest | 54,604 |
134,926 |
0.46 |
| Mixed intermediate uniform forest | 186,389 |
460,568 |
1.56 |
| Mixed intermediate heterogeneous forest | 790,414 |
1,953,113 |
6.61 |
| Transition treed shrubland | 62,660 |
154,883 |
0.52 |
| Wetland-shrubland | 388,394 |
959,721 |
3.25 |
| Grassland | 7,261 |
17,941 |
0.06 |
| Barren ground, sparse vegetation | 5,570 |
13,763 |
0.05 |
| Cropland | 1,462,470 |
3,613,763 |
12.23 |
| Mosaic land, cropland | 3,404,738 |
8,413,107 |
28.48 |
| Urban | 295,299 |
729,684 |
2.47 |
| No data | 399,135 |
986,263 |
3.34 |
| Totals | 11,955,272 |
29,541,477 |
100 |