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Table 2 Results of AMOVA analysis according to 1) sub-catchments and 2) GENELAND groups

From: Widely distributed and regionally isolated! Drivers of genetic structure in Gammarus fossarum in a human-impacted landscape

  

Between sub-catchments

Between GENELAND groups

Source of variation

 

d.f.

% variation

Fixation index

d.f.

% variation

Fixation index

between groups

F CT

5

19.6

0.20

6

72.1

0.72

between populations within groups

F SC

48

59.8

0.74

47

10.0

0.36

within populations

F ST

2032

20.6

0.79

2032

17.9

0.82

  1. d.f. = degrees of freedom; bold values for Fixation index indicate significant population differentiation