Predictor Importance Values for silverbell (Halesia spp.)

Predictor Name Importance Score Rank
Annual precipitation (mm)5.9714
Mean May-September precipitation (mm)4.7127
Mean annual temperature (°C)5.3721
Mean May-September temperature (°C)2.5637
Mean temperature of coldest month (°C)3.9330
Mean temperature of warmest month (°C)3.9329
Annual aridity index3.5231
Minimum elevation7.176
Maximum elevation10.321
Average elevation8.73
Median elevation8.822
Range of elevation6.5711
Elevation coefficient ofvariation5.0324
Elevation standard deviation4.6128
Annual daylength coefficient of variation3.2332
Total available water capacity (cm, to 150 cm)1.3142
Total available water supply (cm, to 150 cm)1.7838
Depth to water table (cm)1.6740
Soil permeability rate (cm/hr)5.8916
Soil calcium carbonate (% by weight)2.835
Soil cation-exchange capacity6.8710
Soil pH5.718
Soil bulk density (g/cm3)6.2313
Organic matter content (% by weight)5.2123
Potential soil productivity7.127
Soil erodibility factor, rock fragment free5.3622
Soil erosion by wind (tons/acre/year)7.039
Percent soil passing sieve No. 10 (coarse)5.7617
Percent soil passing sieve No. 200 (fine)4.7725
Percent clay (< 0.002 mm size)5.9215
Percent sand (< 0.002 mm size)5.4620
Percent silt (< 0.002 mm size)7.048
Percent of texture clayey5.6919
Percent of texture loamy8.294
Percent of texture sandy7.255
Percent of texture other4.7226
Alfisol (%)6.3112
Aridisol (%)045
Entisol (%)1.0344
Histosol (%)3.0834
Inceptisol (%)2.6236
Mollisol (%)1.5941
Spodosol (%)1.143
Ultisol (%)3.1833
Vertisol (%)1.7639