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Table 2 Analyses of molecular variance (AMOVA) in cave and surface populations for 26 microsatellite loci

From: Gene flow and population structure in the Mexican blind cavefish complex (Astyanax mexicanus)

Structure tested SS VC %VAR Fstat P
TWO GROUPS: O1-O8 vs. S1-S4 + N1-N3      
Among groups 372.71 0.43 4.52 0.07 < 0.000001
Among populations within groups 1288.50 1.51 15.76 0.16 < 0.000001
Among individuals within populations 3743.17 0.58 6.02 0.04 < 0.000001
Within individuals 3373.50 7.06 73.70 0.26 < 0.000001
THREE GROUPS: O1-O8 vs . N1-N3 vs . S1-S4      
Among groups 560.21 0.45 4.73 0.05 < 0.000001
Among populations within groups 1100.99 1.41 1.41 0.16 < 0.000001
Among individuals within populations 3743.17 0.58 6.08 0.08 < 0.000001
Within individuals 3373.50 7.06 74.31 0.26 < 0.000001
FOUR GROUPS: O1-O7 vs . N1-N3 vs . S1-S4 vs . O8      
Among groups 575.99 0.67 6.95 0.06 < 0.000001
Among populations within groups 1085.21 1.32 13.75 0.14 < 0.000001
Among individuals within populations 3743.17 0.58 5.99 0.07 < 0.000001
Within individuals 3373.50 7.06 73.30 0.26 < 0.000001
FIVE GROUPS: O1-O7 vs . N1-N2 vs . S1-S4 vs . N3 vs . O8      
Among groups 1034.04 0.86 9.05 0.13 < 0.000001
Among populations within groups 539.32 1.20 12.64 0.09 < 0.000001
Among individuals within populations 3191.16 0.59 6.19 0.07 < 0.000001
Within individuals 2852.00 6.83 72.11 0.27 < 0.000001
FIVE GROUPS: O2-O8 vs . N1-N2 vs . S1-S4 vs . N3 vs . O8 vs . O1      
Among groups 1198.68 1.18 12.42 0.12 < 0.000001
Among populations within groups 374.68 0.89 9.39 0.1 < 0.000001
Among individuals within populations 3191.16 0.59 6.18 0.07 < 0.000001
Within individuals 2852.00 6.83 72.00 0.28 < 0.000001
  1. SS - Sum of squares; VC - Variance components; % VAR - Percentage of variation; Fstat = F-statistics; P = P values.