TABLE 2.
Stepwise, multiple linear regressions based on root samples and soil samples in dry and wet seasons to explore multivariate explanations for observed elevational patterns of EcM fungal richness
| Sample types | Season | Variablea | Slope | SD | t | p | Independent contribution (%) | Adj.R2 | p |
|---|---|---|---|---|---|---|---|---|---|
| Root | Dry | dbMEM1 | 89.51 | 12.6 | 7.11 | <0.01 | 66.22 | 0.77 | <0.01 |
| em.GR | −190.46 | 49.45 | –3.85 | 0.02 | 10.61 | ||||
| Wet | dbMEM2 | −57 | 11.34 | –5.03 | <0.01 | 50.95 | 0.62 | <0.01 | |
| Soil | Dry | dbMEM1 | 44.44 | 5.65 | 7.87 | <0.01 | 63.36 | 0.89 | 0.01 |
| Wet | pH | 245.13 | 31.91 | 7.68 | <0.01 | 49.17 | 0.71 | <0.01 | |
| dbMEM1 | −16.85 | 5.01 | –3.36 | 0.01 | 17.23 |
a
dbMEM, spatial eigenvectors generated from geographic coordinates (latitude and longitude); em.GR, richness of EcM plants at generic levels; pH, soil acidity and alkalinity.