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Table 3 Influence of geographical gradients, species, region and their interactions on changes in PC1 and PC3

From: Ecological character displacement in the face of gene flow: Evidence from two species of nightingales

 

latitude

longitude

species

region

species × region

 

F

p

F

p

F

p

F

p

F

p

PC1

128.57

<0.001

6.64

0.011

55.44

<0.001

0.14

0.713

0.30

0.585

PC3

0.83

0.364

9.10

0.003

12.52

<0.001

6.55

0.011

5.53

0.020

  1. Degrees of freedom were 1 for each factor and 164 for error in all analyses. Significant p-values (p < 0.05) are indicated in bold.