Predictor Importance Values for eastern hophornbeam; ironwood (Ostrya virginiana)
| Predictor Name |
Importance Score |
Rank |
| Annual precipitation (mm) | 26.34 | 9 |
|---|
| Mean May-September precipitation (mm) | 15.77 | 35 |
|---|
| Mean annual temperature (°C) | 17.25 | 32 |
|---|
| Mean May-September temperature (°C) | 19.6 | 25 |
|---|
| Mean temperature of coldest month (°C) | 19.61 | 24 |
|---|
| Mean temperature of warmest month (°C) | 17.88 | 28 |
|---|
| Annual aridity index | 19.47 | 26 |
|---|
| Minimum elevation | 27.73 | 5 |
|---|
| Maximum elevation | 22.34 | 17 |
|---|
| Average elevation | 24.18 | 11 |
|---|
| Median elevation | 23.71 | 12 |
|---|
| Range of elevation | 23 | 13 |
|---|
| Elevation coefficient ofvariation | 27.58 | 6 |
|---|
| Elevation standard deviation | 26.96 | 8 |
|---|
| Annual daylength coefficient of variation | 16.82 | 33 |
|---|
| Total available water capacity (cm, to 150 cm) | 21.27 | 21 |
|---|
| Total available water supply (cm, to 150 cm) | 26.34 | 10 |
|---|
| Depth to water table (cm) | 22.75 | 14 |
|---|
| Soil permeability rate (cm/hr) | 11.93 | 44 |
|---|
| Soil calcium carbonate (% by weight) | 21.11 | 22 |
|---|
| Soil cation-exchange capacity | 28.15 | 4 |
|---|
| Soil pH | 15.99 | 34 |
|---|
| Soil bulk density (g/cm3) | 30.87 | 2 |
|---|
| Organic matter content (% by weight) | 11.98 | 42 |
|---|
| Potential soil productivity | 21.39 | 20 |
|---|
| Soil erodibility factor, rock fragment free | 22.58 | 15 |
|---|
| Soil erosion by wind (tons/acre/year) | 32.79 | 1 |
|---|
| Percent soil passing sieve No. 10 (coarse) | 22.19 | 18 |
|---|
| Percent soil passing sieve No. 200 (fine) | 29.09 | 3 |
|---|
| Percent clay (< 0.002 mm size) | 15.2 | 36 |
|---|
| Percent sand (< 0.002 mm size) | 18.61 | 27 |
|---|
| Percent silt (< 0.002 mm size) | 22.43 | 16 |
|---|
| Percent of texture clayey | 17.56 | 30 |
|---|
| Percent of texture loamy | 14.22 | 37 |
|---|
| Percent of texture sandy | 13.64 | 38 |
|---|
| Percent of texture other | 17.38 | 31 |
|---|
| Alfisol (%) | 20.92 | 23 |
|---|
| Aridisol (%) | 1.08 | 45 |
|---|
| Entisol (%) | 13.6 | 39 |
|---|
| Histosol (%) | 13.42 | 40 |
|---|
| Inceptisol (%) | 27.26 | 7 |
|---|
| Mollisol (%) | 17.65 | 29 |
|---|
| Spodosol (%) | 12.42 | 41 |
|---|
| Ultisol (%) | 21.95 | 19 |
|---|
| Vertisol (%) | 11.93 | 43 |
|---|
https://www.fs.usda.gov/nrs/atlas/tree/v4/modals/pred-imp-table.php?spp=701