Predictor Importance Values for pitch pine (Pinus rigida)
| Predictor Name |
Importance Score |
Rank |
| Annual precipitation (mm) | 6.8 | 39 |
|---|
| Mean May-September precipitation (mm) | 8.54 | 29 |
|---|
| Mean annual temperature (°C) | 12.6 | 7 |
|---|
| Mean May-September temperature (°C) | 12.03 | 10 |
|---|
| Mean temperature of coldest month (°C) | 14 | 4 |
|---|
| Mean temperature of warmest month (°C) | 14.28 | 3 |
|---|
| Annual aridity index | 4.91 | 43 |
|---|
| Minimum elevation | 11.7 | 13 |
|---|
| Maximum elevation | 7.28 | 37 |
|---|
| Average elevation | 7.61 | 35 |
|---|
| Median elevation | 12.44 | 8 |
|---|
| Range of elevation | 11.13 | 15 |
|---|
| Elevation coefficient ofvariation | 12.28 | 9 |
|---|
| Elevation standard deviation | 8.07 | 31 |
|---|
| Annual daylength coefficient of variation | 7.78 | 32 |
|---|
| Total available water capacity (cm, to 150 cm) | 10.64 | 19 |
|---|
| Total available water supply (cm, to 150 cm) | 8.63 | 28 |
|---|
| Depth to water table (cm) | 9.74 | 24 |
|---|
| Soil permeability rate (cm/hr) | 7.18 | 38 |
|---|
| Soil calcium carbonate (% by weight) | 8.74 | 27 |
|---|
| Soil cation-exchange capacity | 12.63 | 6 |
|---|
| Soil pH | 19.65 | 1 |
|---|
| Soil bulk density (g/cm3) | 11.1 | 16 |
|---|
| Organic matter content (% by weight) | 5.88 | 40 |
|---|
| Potential soil productivity | 11.83 | 12 |
|---|
| Soil erodibility factor, rock fragment free | 9.9 | 23 |
|---|
| Soil erosion by wind (tons/acre/year) | 13.16 | 5 |
|---|
| Percent soil passing sieve No. 10 (coarse) | 11.86 | 11 |
|---|
| Percent soil passing sieve No. 200 (fine) | 11.68 | 14 |
|---|
| Percent clay (< 0.002 mm size) | 5.29 | 42 |
|---|
| Percent sand (< 0.002 mm size) | 10.14 | 20 |
|---|
| Percent silt (< 0.002 mm size) | 10.96 | 17 |
|---|
| Percent of texture clayey | 9.15 | 26 |
|---|
| Percent of texture loamy | 8.12 | 30 |
|---|
| Percent of texture sandy | 7.69 | 34 |
|---|
| Percent of texture other | 9.15 | 25 |
|---|
| Alfisol (%) | 10.13 | 21 |
|---|
| Aridisol (%) | 0 | 45 |
|---|
| Entisol (%) | 5.73 | 41 |
|---|
| Histosol (%) | 3.95 | 44 |
|---|
| Inceptisol (%) | 10.12 | 22 |
|---|
| Mollisol (%) | 15.98 | 2 |
|---|
| Spodosol (%) | 7.73 | 33 |
|---|
| Ultisol (%) | 10.66 | 18 |
|---|
| Vertisol (%) | 7.34 | 36 |
|---|