Table 4 Results of two-way ANOVA for the effects of region and trajectory (linear or stable)a on three measures of community temporal invariability (species richness (a), species composition (b), and community abundance (c)).
Source of variation | df | MS | F | P |
---|---|---|---|---|
(a) Species richness | ||||
Region | 5 | 0.05431 | 4.209 | 0.00174 |
Trajectorya | 1 | 0.00417 | 0.323 | 0.57113 |
Region × Trajectory | 4 | 0.05376 | 4.166 | 0.00383 |
Residuals | 91 | 0.01291 | Â | Â |
Transformation: log10 | ||||
Levene's test: F = 1.7328, P > 0.05 | ||||
(b) Species composition | ||||
Region | 5 | 0.020171 | 13.978 | < 0.001 |
Trajectorya | 1 | 0.000529 | 0.366 | < 0.5464 |
Region × Trajectory | 4 | 0.002939 | 2.037 | < 0.0958 |
Residuals | 91 | 0.001443 | Â | Â |
Transformation: log10 | ||||
Levene's test: F = 1.5378, P > 0.05 | ||||
(c) Community abundance | ||||
Region | 5 | 1.1666 | 29.392 | < 0.001 |
Trajectorya | 1 | 0.0213 | 0.537 | < 0.465 |
Region × Trajectory | 4 | 0.0684 | 1.725 | < 0.151 |
Residuals | 91 | 0.0397 | Â | Â |
Transformation: log10 | ||||
Levene's test: F = 0.7907, P > 0.05 |