Table 1 ANCOVA results for temporal changes in the frequencies of several X chromosome arrangement combinations and autosomal inversions across the seven collecting sites in this study. r2 is an estimate of the proportion of the total variance explained by the model used.
From: Climate change and recent genetic flux in populations of Drosophila robusta
X chromosome combination 1S | |||||
|---|---|---|---|---|---|
Source | df | Type III SS | F Value | Pr > F | r2 |
Model | 13 | 1.151 | 50.31 | < 0.0001 | 0.942 |
Year | 1 | 0.014 | 5.97 | 0.019 | |
Site | 6 | 0.207 | 14.93 | < 0.0001 | |
Year*Site | 6 | 0.199 | 14.35 | < 0.0001 | |
X chromosome combination S1 | |||||
Source | df | Type III SS | F Value | Pr > F | r2 |
Model | 13 | 2.589 | 50.94 | < 0.0001 | 0.943 |
Year | 1 | 0.000 | 0.02 | 0.894 | |
Site | 6 | 0.206 | 8.79 | < 0.0001 | |
Year*Site | 6 | 0.197 | 8.39 | < 0.0001 | |
Gene arrangement 2L-1 | |||||
Source | df | Type III SS | F Value | Pr > F | r2 |
Model | 13 | 1.317 | 20.55 | < 0.0001 | 0.870 |
Year | 1 | 0.038 | 7.66 | 0.0085 | |
Site | 6 | 0.215 | 7.25 | < 0.0001 | |
Year*Site | 6 | 0.216 | 7.29 | < 0.0001 | |
Gene arrangement 3R-1 | |||||
Source | df | Type III SS | F Value | Pr > F | r2 |
Model | 13 | 2.054 | 54.09 | < 0.0001 | 0.946 |
Year | 1 | 0.043 | 14.76 | 0.0004 | |
Site | 6 | 0.057 | 3.28 | 0.0102 | |
Year*Site | 6 | 0.060 | 3.40 | 0.0084 | |