Predictor Importance Values for pin oak (Quercus palustris)

Predictor Name Importance Score Rank
Annual precipitation (mm)11.3930
Mean May-September precipitation (mm)18.84
Mean annual temperature (°C)14.4317
Mean May-September temperature (°C)10.533
Mean temperature of coldest month (°C)17.826
Mean temperature of warmest month (°C)14.4218
Annual aridity index22.881
Minimum elevation11.0131
Maximum elevation9.5736
Average elevation12.6826
Median elevation14.4316
Range of elevation16.128
Elevation coefficient ofvariation16.837
Elevation standard deviation13.0323
Annual daylength coefficient of variation19.252
Total available water capacity (cm, to 150 cm)7.5840
Total available water supply (cm, to 150 cm)10.7132
Depth to water table (cm)13.6622
Soil permeability rate (cm/hr)13.0124
Soil calcium carbonate (% by weight)14.0620
Soil cation-exchange capacity15.0312
Soil pH14.614
Soil bulk density (g/cm3)15.859
Organic matter content (% by weight)19.053
Potential soil productivity12.6527
Soil erodibility factor, rock fragment free15.510
Soil erosion by wind (tons/acre/year)18.465
Percent soil passing sieve No. 10 (coarse)14.1519
Percent soil passing sieve No. 200 (fine)11.5928
Percent clay (< 0.002 mm size)15.2711
Percent sand (< 0.002 mm size)14.8813
Percent silt (< 0.002 mm size)13.9221
Percent of texture clayey7.0242
Percent of texture loamy6.9143
Percent of texture sandy7.9938
Percent of texture other9.7735
Alfisol (%)12.9125
Aridisol (%)045
Entisol (%)14.515
Histosol (%)9.0337
Inceptisol (%)9.9834
Mollisol (%)11.529
Spodosol (%)6.6744
Ultisol (%)7.2941
Vertisol (%)7.739