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Table 2 Parameters of genetic population structure within the four studied regions

From: Gene flow rise with habitat fragmentation in the bog fritillary butterfly (Lepidoptera: Nymphalidae)

 

Ardennes

Morvan

Pyrenees

Asturias

Range of altitudes

280–640 m

450–870 m

1250–1900 m

1100–1250 m

Range of distances between populations

1–121 km

2–24 km

2–41 km

3–75 km

N populations

26

10

12

5

F ST

0.080

0.105

0.0985

0.123

Percentage assignment to source population

8.3%

17.6%

15.1%

40.0%

Regression of log(Nm) on log(dist)

1.305-0.0073x

P = 0.019

NS

1.529-0.656x

P < 0.001

1.94-0.948x

P < 0.001

Pairwise FST vs geographical distance

0.0841-0.394/(4x+1)

P < 0.001 intercept at

x = 0.92 km

NS

0.115-1.212/(4x+1)

P = 0.009 intercept at

x = 2.38 km

0.204-5.327/(4x+1)

P = 0.0257 intercept at

x = 6.27 km

Mantel test between Matrix of geographical distances and pairwise FST

P = 0.019

P = 0.118

P = 0.003

P = 0.032

Median population connectivity (min. and max. values)

0.011 (26.2 10-6 to 0.183)

0.00999 (418 10-6 to 0.0247)

0.00029 (43.0 10-6 to 0.0152)

0.001 (0.238 10-6 to 0.00289)

  1. NS: not significant.