The areal extent and percent of the total land
area in the 14 states of the southern region of each landuse class are
summarized in Table 1. In the region,
the four largest general classes of landuse account for over 99% of the
approximately 2.2 million km2 . The landuse class having the
greatest areal extent was mixed vegetation. This class accounts for about
45.4% of the total land area in the southern region and includes interconnected
areas of forest, cropland, range, and marsh. Forest is the next largest
class and accounts for about 38.6% of the total land area in the region.
The classes of range and cropland account for about 10.0 and 5.9% of the
total land area in the region, respectively.
Similar landuse characteristics were found in the chosen MLRAs. Of the
approximately 1.45 million km 2 in the chosen land area, 45.6,
37.3, 11.7, and 5.3% were in forest, mixed, range, and cropland, respectively.
This shows that the percent of the land area in the chosen MLRAs had slightly
greater area in forest than in the region. In the chosen MLRAs, the resolution
land area in agriculture alone accounted for a little over 5% of the region.
The areal extent of each landuse category by MLRA is presented in Table
2 and illustrates the diversity of landuse across the southern region
of the United States. The Central Great Plains in Texas and Oklahoma (MLRAs
42, 77, and 78) tend to have a large proportion of the land area in the
range category and a small proportion in forest. The proportion of the
land area in cropland is low in MLRA 42 but is higher in MLRAs 77 and 78.
In the East and Central Farming and Forest region (MLRAs 116A, 121, 123,
125, and 128) forest is the dominant landuse with some combination of forest
and cropland. In the Mississippi Delta region (MLRAs 131 and 134), cropland
and forest dominate the landscape. In the South Atlantic Gulf region (MLRAs
133A, 133B, 135, 136, and 137), forest is the dominant landuse category
with smaller proportions of mixed cropland, pasture, and forest. In the
Atlantic and Gulf Coast regions, forest, mixed forest, and cropland dominate