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Deviance explained, P-values and degrees of freedom (d.f.) for significant variables explaining the abundance of Ornduffia calthifolia and O. marchantii
| d.f. | P-value | Deviance explained (%) | |
|---|---|---|---|
| Ornduffia calthifolia | |||
| Elevation (E) | 5·30 | 1 ·0 × 10–5 | 33 ·1 |
| Insolation (Ia) | 5·01 | <2 ·0 × 10–16 | 18 ·7 |
| Curvature (C) | 6·97 | 6 ·1 × 10–12 | 13 ·2 |
| Soil depth (S) | 3·52 | 1 ·0 × 10–7 | 7 ·6 |
| Ornduffia marchantii | |||
| Vegetation height (H) | 8·58 | 4 ·8 × 10–9 | 37 ·8 |
| Aspect (A) | 3·09 | 0 ·016 | 4 ·84 |
