Table 3.
General linear model with all 115 time windows, 53 windows from 1750–1955, and 62 windows ≥1956 as dependent and average Ellenberg indicator values of larval host plants and of average butterfly dispersal ability as predictor variables.
Factor | All time windows | Windows <1956 | Windows ≥1956 | ||||||
---|---|---|---|---|---|---|---|---|---|
β-value | partial η2 | P(F) | β-value | partial η2 | P(F) | β-value | partial η2 | P(F) | |
Light | 0.00 | <0.01 | 0.98 | 0.02 | <0.01 | 0.92 | 0.33 | 0.12 | <0.01 |
Temperature | 0.25 | 0.06 | <0.01 | 0.12 | 0.02 | 0.39 | 0.17 | 0.04 | 0.12 |
Continentality | 0.05 | <0.01 | 0.61 | −0.43 | 0.17 | <0.001 | 0.53 | 0.31 | <0.001 |
Humidity | 0.43 | 0.11 | <0.001 | −0.19 | 0.02 | 0.34 | 0.36 | 0.16 | <0.001 |
pH | 0.38 | 0.12 | <0.001 | −0.19 | 0.03 | 0.27 | 0.15 | 0.03 | 0.23 |
Nitrogen | 0.12 | 0.01 | 0.29 | 0.13 | 0.01 | 0.42 | 0.04 | <0.01 | 0.72 |
Dispersal | −0.13 | 0.02 | 0.18 | −0.49 | 0.20 | <0.001 | 0.47 | 0.26 | <0.001 |
r2 (model) | 0.26 | <0.001 | 0.32 | <0.001 | 0.58 | <0.001 |
Given β-values for each predictor, partial η2 values, parametric significances P(F), and the coefficient of determination r2 of the whole model.