Table 2 Analysis of molecular variance (average over 17 loci) among regions 1 and 2

From: Spatial and temporal genetic structure in a hybrid cordgrass invasion

Source of variation

d.f.

Sum of squares

Variance components

Percentage variation

Among regions

1

131.232

0.32044

16.63**

Among individuals within regions

9

76.051

0.08898

4.62**

Within individuals

895

1358.208

1.51755

78.75**

Total

905

1565.491

1.92698

 
  1. Region 1: North, Alameda (adult S. alterniflora and hybrid shoreline meadow, mudflat hybrid adults and 2003 and 2004 seedlings).
  2. Region 2: South, Robert's Landing (adult hybrid shoreline meadow and mudflat, and 2003 and 2004 mudflat hybrid seedlings) and Hayward (adult S. foliosa and hybrid shoreline plants, and 2003 and 2004 mudflat hybrid adults and seedlings).
  3. Average F-statistics over all loci. Fixation indices: FST, 0.21; FSC, 0.06; FCT, 0.17.
  4. **Significance at P<0.0001.
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