Table 1.
Geographic variable | R2 | P value | Confidence interval |
Soil genus | 15.8 | <0.001*** | 12.5–20.0 |
Mean annual precipitation | 9.54 | <0.001*** | 5.38–16.5 |
Latitude | 11.4 | <0.001*** | 6.33–20.0 |
Mean annual temperature | 5.26 | <0.002*** | 2.96–9.13 |
Soil pH | 6.08 | <0.001*** | 3.39–10.5 |