Predictor Importance Values for serviceberry (Amelanchier spp.)

Predictor Name Importance Score Rank
Annual precipitation (mm)15.9114
Mean May-September precipitation (mm)9.337
Mean annual temperature (°C)7.4342
Mean May-September temperature (°C)15.2718
Mean temperature of coldest month (°C)12.8727
Mean temperature of warmest month (°C)16.0712
Annual aridity index15.5417
Minimum elevation12.3229
Maximum elevation17.136
Average elevation17.565
Median elevation12.7728
Range of elevation16.1311
Elevation coefficient ofvariation19.832
Elevation standard deviation10.8432
Annual daylength coefficient of variation12.3230
Total available water capacity (cm, to 150 cm)9.1439
Total available water supply (cm, to 150 cm)9.1938
Depth to water table (cm)21.011
Soil permeability rate (cm/hr)15.8115
Soil calcium carbonate (% by weight)14.6221
Soil cation-exchange capacity18.014
Soil pH5.3344
Soil bulk density (g/cm3)17.087
Organic matter content (% by weight)16.459
Potential soil productivity14.3923
Soil erodibility factor, rock fragment free16.3810
Soil erosion by wind (tons/acre/year)15.7816
Percent soil passing sieve No. 10 (coarse)16.778
Percent soil passing sieve No. 200 (fine)18.313
Percent clay (< 0.002 mm size)10.1336
Percent sand (< 0.002 mm size)14.9619
Percent silt (< 0.002 mm size)16.0513
Percent of texture clayey14.8220
Percent of texture loamy8.9540
Percent of texture sandy10.2235
Percent of texture other11.831
Alfisol (%)14.5522
Aridisol (%)-0.8345
Entisol (%)10.6133
Histosol (%)10.5734
Inceptisol (%)14.2624
Mollisol (%)6.5643
Spodosol (%)8.8941
Ultisol (%)13.4526
Vertisol (%)13.7825