Predictor Importance Values for swamp white oak (Quercus bicolor)

Predictor Name Importance Score Rank
Annual precipitation (mm)14.7611
Mean May-September precipitation (mm)14.0815
Mean annual temperature (°C)11.5929
Mean May-September temperature (°C)14.0716
Mean temperature of coldest month (°C)20.071
Mean temperature of warmest month (°C)17.564
Annual aridity index17.63
Minimum elevation10.4432
Maximum elevation12.8225
Average elevation8.9639
Median elevation9.7736
Range of elevation6.243
Elevation coefficient ofvariation13.1222
Elevation standard deviation13.0123
Annual daylength coefficient of variation18.482
Total available water capacity (cm, to 150 cm)14.3314
Total available water supply (cm, to 150 cm)14.7610
Depth to water table (cm)14.0317
Soil permeability rate (cm/hr)13.3420
Soil calcium carbonate (% by weight)12.8524
Soil cation-exchange capacity15.437
Soil pH15.358
Soil bulk density (g/cm3)13.2821
Organic matter content (% by weight)17.345
Potential soil productivity15.946
Soil erodibility factor, rock fragment free11.6728
Soil erosion by wind (tons/acre/year)14.5313
Percent soil passing sieve No. 10 (coarse)10.0534
Percent soil passing sieve No. 200 (fine)11.2830
Percent clay (< 0.002 mm size)12.4227
Percent sand (< 0.002 mm size)13.518
Percent silt (< 0.002 mm size)13.4519
Percent of texture clayey7.4142
Percent of texture loamy9.0138
Percent of texture sandy12.826
Percent of texture other9.9835
Alfisol (%)14.5612
Aridisol (%)044
Entisol (%)8.640
Histosol (%)11.1831
Inceptisol (%)14.819
Mollisol (%)10.2633
Spodosol (%)8.2941
Ultisol (%)9.1437
Vertisol (%)-0.3245