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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