Predictor Importance Values for yellow-poplar (Liriodendron tulipifera)
| Predictor Name |
Importance Score |
Rank |
| Annual precipitation (mm) | 23.9 | 27 |
|---|
| Mean May-September precipitation (mm) | 34.22 | 8 |
|---|
| Mean annual temperature (°C) | 30.67 | 13 |
|---|
| Mean May-September temperature (°C) | 29.77 | 16 |
|---|
| Mean temperature of coldest month (°C) | 29.71 | 17 |
|---|
| Mean temperature of warmest month (°C) | 35.57 | 6 |
|---|
| Annual aridity index | 32.31 | 10 |
|---|
| Minimum elevation | 19.93 | 36 |
|---|
| Maximum elevation | 21.65 | 33 |
|---|
| Average elevation | 22.38 | 30 |
|---|
| Median elevation | 12.46 | 41 |
|---|
| Range of elevation | 26.47 | 22 |
|---|
| Elevation coefficient ofvariation | 37.06 | 2 |
|---|
| Elevation standard deviation | 29.95 | 14 |
|---|
| Annual daylength coefficient of variation | 28.34 | 18 |
|---|
| Total available water capacity (cm, to 150 cm) | 32.16 | 11 |
|---|
| Total available water supply (cm, to 150 cm) | 25.92 | 23 |
|---|
| Depth to water table (cm) | 36.83 | 3 |
|---|
| Soil permeability rate (cm/hr) | 36.29 | 5 |
|---|
| Soil calcium carbonate (% by weight) | 20.38 | 34 |
|---|
| Soil cation-exchange capacity | 30.98 | 12 |
|---|
| Soil pH | 21.86 | 32 |
|---|
| Soil bulk density (g/cm3) | 33.29 | 9 |
|---|
| Organic matter content (% by weight) | 24.39 | 26 |
|---|
| Potential soil productivity | 19.4 | 37 |
|---|
| Soil erodibility factor, rock fragment free | 28.24 | 19 |
|---|
| Soil erosion by wind (tons/acre/year) | 37.56 | 1 |
|---|
| Percent soil passing sieve No. 10 (coarse) | 29.82 | 15 |
|---|
| Percent soil passing sieve No. 200 (fine) | 35.44 | 7 |
|---|
| Percent clay (< 0.002 mm size) | 25.5 | 25 |
|---|
| Percent sand (< 0.002 mm size) | 27.75 | 20 |
|---|
| Percent silt (< 0.002 mm size) | 21.95 | 31 |
|---|
| Percent of texture clayey | 20.26 | 35 |
|---|
| Percent of texture loamy | 17.36 | 38 |
|---|
| Percent of texture sandy | 23.02 | 29 |
|---|
| Percent of texture other | 11.44 | 43 |
|---|
| Alfisol (%) | 27.47 | 21 |
|---|
| Aridisol (%) | -1 | 45 |
|---|
| Entisol (%) | 15.56 | 39 |
|---|
| Histosol (%) | 12.45 | 42 |
|---|
| Inceptisol (%) | 36.44 | 4 |
|---|
| Mollisol (%) | 23.33 | 28 |
|---|
| Spodosol (%) | 12.58 | 40 |
|---|
| Ultisol (%) | 25.6 | 24 |
|---|
| Vertisol (%) | 7.47 | 44 |
|---|