Table 3. NMDS and linear regression relating measures of disturbance intensity to the floristic composition of a forest disturbed by a large blowdown, in Amazonas, Brazil.
NMDS | Mantel-test* | NMDS [Axis1] related to disturbance measures¥ | |||||
Stress | Axis 1 | Axis 2 | Predictors | F | r2 | P | Pearson’s r |
0.286 | 0.442 | 0.367 | SP | 18.15 | 0.129 | <0.001 | 0.370 |
NG | 21.81 | 0.159 | <0.001 | 0.400 | |||
GS | 25.56 | 0.175 | <0.001 | 0.427 |
Legend: SP-sub-plot mortality; NG-neighboring mortality; GS-gap size.
*Related to species distance matrix and NMDS axis scores.
Linear regressions with NMDS (Axis1) as dependent variable and disturbance intensity measures as predictors.