Predictor Importance Values for hackberry (Celtis occidentalis)

Predictor Name Importance Score Rank
Annual precipitation (mm)27.222
Mean May-September precipitation (mm)24.569
Mean annual temperature (°C)25.147
Mean May-September temperature (°C)22.3119
Mean temperature of coldest month (°C)21.6822
Mean temperature of warmest month (°C)21.9621
Annual aridity index23.6813
Minimum elevation12.4940
Maximum elevation23.1316
Average elevation23.5514
Median elevation22.9917
Range of elevation20.7524
Elevation coefficient ofvariation25.784
Elevation standard deviation273
Annual daylength coefficient of variation25.296
Total available water capacity (cm, to 150 cm)17.1632
Total available water supply (cm, to 150 cm)17.1133
Depth to water table (cm)24.4611
Soil permeability rate (cm/hr)18.4927
Soil calcium carbonate (% by weight)17.0434
Soil cation-exchange capacity15.6936
Soil pH24.748
Soil bulk density (g/cm3)24.0812
Organic matter content (% by weight)22.7418
Potential soil productivity20.2425
Soil erodibility factor, rock fragment free1926
Soil erosion by wind (tons/acre/year)27.551
Percent soil passing sieve No. 10 (coarse)25.625
Percent soil passing sieve No. 200 (fine)18.0928
Percent clay (< 0.002 mm size)20.8523
Percent sand (< 0.002 mm size)22.2520
Percent silt (< 0.002 mm size)17.929
Percent of texture clayey11.5241
Percent of texture loamy15.7235
Percent of texture sandy15.0137
Percent of texture other17.1831
Alfisol (%)17.230
Aridisol (%)2.6845
Entisol (%)5.5644
Histosol (%)13.2538
Inceptisol (%)24.5210
Mollisol (%)23.1415
Spodosol (%)5.6643
Ultisol (%)13.1439
Vertisol (%)10.9242