Predictor Importance Values for florida maple (Acer barbatum)

Predictor Name	Importance Score	Rank
Annual precipitation (mm)	10.48	17
Mean May-September precipitation (mm)	7.65	28
Mean annual temperature (°C)	11.89	7
Mean May-September temperature (°C)	11.59	9
Mean temperature of coldest month (°C)	6.74	34
Mean temperature of warmest month (°C)	14.23	3
Annual aridity index	12.63	5
Minimum elevation	10.95	15
Maximum elevation	5.62	38
Average elevation	6.86	32
Median elevation	9.43	23
Range of elevation	19.24	1
Elevation coefficient ofvariation	6.76	33
Elevation standard deviation	17.73	2
Annual daylength coefficient of variation	10.31	19
Total available water capacity (cm, to 150 cm)	6.22	36
Total available water supply (cm, to 150 cm)	9.83	22
Depth to water table (cm)	12.06	6
Soil permeability rate (cm/hr)	9.24	24
Soil calcium carbonate (% by weight)	7.6	29
Soil cation-exchange capacity	8.05	27
Soil pH	11.03	13
Soil bulk density (g/cm3)	11.44	10
Organic matter content (% by weight)	10.33	18
Potential soil productivity	5.58	39
Soil erodibility factor, rock fragment free	13.62	4
Soil erosion by wind (tons/acre/year)	8.63	26
Percent soil passing sieve No. 10 (coarse)	7.56	30
Percent soil passing sieve No. 200 (fine)	10.3	20
Percent clay (< 0.002 mm size)	11.42	11
Percent sand (< 0.002 mm size)	7.28	31
Percent silt (< 0.002 mm size)	5.72	37
Percent of texture clayey	11.81	8
Percent of texture loamy	3.73	42
Percent of texture sandy	5.54	40
Percent of texture other	11.35	12
Alfisol (%)	9.2	25
Aridisol (%)	1	45
Entisol (%)	5.52	41
Histosol (%)	1.23	44
Inceptisol (%)	6.58	35
Mollisol (%)	10.25	21
Spodosol (%)	1.71	43
Ultisol (%)	10.89	16
Vertisol (%)	11.02	14