Table 1 Comparison of inter-population differentiation using P_ST values calculated on the three main components that explain variation in meristics (mer, SR-PC1, SR-PC2, SR-PC3) and shape (meas, PC2, PC3, PC4)

SR-PC1

dis intra

intra

p

9.44E-147

inter

1.34E-91

6.54E-90

χ²

672.5

dis intra

1.07E-01

SR-PC2

dis intra

intra

p

1.35E-34

inter

8.44E-01

5.31E-34

χ²

156

dis intra

4.16E-25

SR-PC3

dis intra

intra

p

3.20E-19

inter

5.04E-17

2.74E-08

χ²

85.17

dis intra

1.01E-01

meas

Kruskall-Wallis

Dunn

PC2

dis intra

intra

p

3.07E-22

inter

6.03E-04

6.15E-23

χ²

99.07

dis intra

1.22E-08

PC3

dis intra

intra

p

8.48E-18

inter

3.79E-11

6.74E-13

χ²

78.62

dis intra

2.90E-01

PC4

dis intra

intra

p

3.81E-04

inter

1.38E-04

5.85E-02

χ²

15.75

dis intra

2.01E-01