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Table 3 AMOVA results of spatial and temporal variation in Pygospio elegans

From: Temporal genetic structure in a poecilogonous polychaete: the interplay of developmental mode and environmental stochasticity

Temporal groups (samples grouped by year)
Source of variation Sum of squares Variance components Percentage of variation Fixation indices (P-value)
Among years 22.3 −0.006 −0.27 FCT = −0.003 (0.816)
Among populations within years 132.2 0.085 3.61 FSC = 0.036 (<0.001)
Within samples 3436.3 2.273 96.66 FST = 0.033 (<0.001)
Total 3590.8 2.351   
Geographical groups (samples grouped by population)
Source of variation Sum of squares Variance components Percentage of variation Fixation indices (P-value)
Among populations 110.9 0.067 2.85 FCT = 0.029 (<0.001)
Among temporal samples within populations 43.6 0.020 0.85 FSC = 0.009 (<0.001)
Within samples 3436.3 2.273 96.3 FST = 0.037 (<0.001)
Total 3590.8 2.360   
  1. Temporal groups consist of samples from different populations grouped by sampling year (4 groups: 2008, 2009, 2010, 2011) and spatial groups consist of temporal samples grouped according to population (7 groups).