BioNet Documentation
Ecoregion 47f : Rolling Loess Prairies
Ecoregion Characteristics
- Landform Description
- Irregular plains to open low hills. Elevation 700-1300 ft.
- Surficial Materials
- Moderate to thick loess.
- Soils
- Mollisols, Alfisols (Argiudolls, Hapludalfs) {Shelby-Sharpsburg-Macksburg, Tama-Muscatine, Otley-Mahaska-Taintor}
- Climate
- Annual precipitation 30-35 in. Freeze free: 160-170 days.
- Potential Vegetation
- Mosaic of bluestem prairie and oak-hickory forest
- Predominant Land Use
- Cropland, small areas of deciduous forest