Predictor Importance Values for cherrybark oak; swamp red oak (Quercus pagoda)

Predictor Name	Importance Score	Rank
Annual precipitation (mm)	17.99	9
Mean May-September precipitation (mm)	19.62	6
Mean annual temperature (°C)	6.7	40
Mean May-September temperature (°C)	4.76	42
Mean temperature of coldest month (°C)	4.06	44
Mean temperature of warmest month (°C)	9.67	34
Annual aridity index	17.07	12
Minimum elevation	17.09	11
Maximum elevation	15.31	16
Average elevation	10.82	30
Median elevation	10.8	31
Range of elevation	22.01	2
Elevation coefficient ofvariation	21.5	3
Elevation standard deviation	24.55	1
Annual daylength coefficient of variation	6.31	41
Total available water capacity (cm, to 150 cm)	14.11	18
Total available water supply (cm, to 150 cm)	20.86	4
Depth to water table (cm)	11.58	29
Soil permeability rate (cm/hr)	9.23	35
Soil calcium carbonate (% by weight)	11.66	28
Soil cation-exchange capacity	18.89	8
Soil pH	13.79	20
Soil bulk density (g/cm3)	20.42	5
Organic matter content (% by weight)	14.43	17
Potential soil productivity	11.99	25
Soil erodibility factor, rock fragment free	14.01	19
Soil erosion by wind (tons/acre/year)	19.49	7
Percent soil passing sieve No. 10 (coarse)	11.96	26
Percent soil passing sieve No. 200 (fine)	7.52	37
Percent clay (< 0.002 mm size)	10.76	32
Percent sand (< 0.002 mm size)	13.57	21
Percent silt (< 0.002 mm size)	9.11	36
Percent of texture clayey	6.87	39
Percent of texture loamy	15.68	15
Percent of texture sandy	17.82	10
Percent of texture other	10.5	33
Alfisol (%)	16.98	13
Aridisol (%)	-1	45
Entisol (%)	6.93	38
Histosol (%)	4.14	43
Inceptisol (%)	16.26	14
Mollisol (%)	12.41	24
Spodosol (%)	11.68	27
Ultisol (%)	13.41	22
Vertisol (%)	12.85	23