Predictor Importance Values for slash pine (Pinus elliottii)

Predictor Name Importance Score Rank
Annual precipitation (mm)25.565
Mean May-September precipitation (mm)20.8518
Mean annual temperature (°C)23.4310
Mean May-September temperature (°C)15.832
Mean temperature of coldest month (°C)24.927
Mean temperature of warmest month (°C)15.134
Annual aridity index13.4537
Minimum elevation13.4438
Maximum elevation11.9939
Average elevation18.5924
Median elevation17.2328
Range of elevation18.0427
Elevation coefficient ofvariation21.4517
Elevation standard deviation20.4319
Annual daylength coefficient of variation24.348
Total available water capacity (cm, to 150 cm)18.7523
Total available water supply (cm, to 150 cm)22.0616
Depth to water table (cm)33.662
Soil permeability rate (cm/hr)19.8921
Soil calcium carbonate (% by weight)15.2933
Soil cation-exchange capacity24.239
Soil pH33.891
Soil bulk density (g/cm3)18.3225
Organic matter content (% by weight)22.3215
Potential soil productivity25.436
Soil erodibility factor, rock fragment free26.193
Soil erosion by wind (tons/acre/year)15.9431
Percent soil passing sieve No. 10 (coarse)23.0612
Percent soil passing sieve No. 200 (fine)19.7422
Percent clay (< 0.002 mm size)16.4230
Percent sand (< 0.002 mm size)18.3226
Percent silt (< 0.002 mm size)22.8214
Percent of texture clayey8.8341
Percent of texture loamy8.5842
Percent of texture sandy6.1843
Percent of texture other13.7336
Alfisol (%)22.9313
Aridisol (%)045
Entisol (%)5.1144
Histosol (%)14.1835
Inceptisol (%)20.1420
Mollisol (%)16.5129
Spodosol (%)25.934
Ultisol (%)23.2611
Vertisol (%)9.6440