| Source | df | Sum of squares | Mean squares | F | Pr (>F) |
|---|---|---|---|---|---|
| Saprotrophic richness | |||||
| Land cover (ISAM‐HYDE) | 8 | 129,982 | 16,247.7 | 15.877 | <2.2E‐16 |
| Residuals | 365 | 373,509 | 1023.3 | ||
| Land cover (CLC 3) | 11 | 89,682 | 8152.9 | 7.305 | 2.698E‐11 |
| Residuals | 361 | 402,888 | 1116.0 | ||
| Ectomycorrhizal richness | |||||
| Land cover (ISAM‐HYDE) | 7 | 181,685 | 25,955.0 | 23.634 | <2.2E‐16 |
| Residuals | 301 | 330,556 | 1098.2 | ||
| Land cover (CLC 3) | 10 | 98,273 | 9827.3 | 7.184 | 3.666E‐10 |
| Residuals | 299 | 409,000 | 1367.9 |
df = degrees of freedom; Pr (>F) = probability of a value greater than F.