Predictor Importance Values for northern pin oak (Quercus ellipsoidalis)

Predictor Name Importance Score Rank
Annual precipitation (mm)13.5218
Mean May-September precipitation (mm)22.342
Mean annual temperature (°C)9.6433
Mean May-September temperature (°C)10.928
Mean temperature of coldest month (°C)13.2119
Mean temperature of warmest month (°C)11.0627
Annual aridity index22.481
Minimum elevation10.4531
Maximum elevation8.2838
Average elevation9.2336
Median elevation11.5225
Range of elevation12.3922
Elevation coefficient ofvariation9.5635
Elevation standard deviation11.8224
Annual daylength coefficient of variation10.3332
Total available water capacity (cm, to 150 cm)12.4221
Total available water supply (cm, to 150 cm)14.8611
Depth to water table (cm)18.414
Soil permeability rate (cm/hr)14.910
Soil calcium carbonate (% by weight)14.1814
Soil cation-exchange capacity14.8212
Soil pH7.0441
Soil bulk density (g/cm3)11.9723
Organic matter content (% by weight)9.5934
Potential soil productivity12.720
Soil erodibility factor, rock fragment free13.816
Soil erosion by wind (tons/acre/year)17.845
Percent soil passing sieve No. 10 (coarse)17.647
Percent soil passing sieve No. 200 (fine)17.018
Percent clay (< 0.002 mm size)13.8715
Percent sand (< 0.002 mm size)14.4513
Percent silt (< 0.002 mm size)20.83
Percent of texture clayey11.2626
Percent of texture loamy10.4930
Percent of texture sandy10.6629
Percent of texture other7.740
Alfisol (%)16.989
Aridisol (%)-144
Entisol (%)4.8142
Histosol (%)8.2839
Inceptisol (%)17.666
Mollisol (%)13.617
Spodosol (%)8.3237
Ultisol (%)4.0643
Vertisol (%)-1.4145