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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Phycologia. 2018;57(1):32–40. doi: 10.2216/17-72.1

Table 4.

Analysis of molecular variance (AMOVA) averaged over 10 loci, using the five populations grouped into either three or four clusters. Df refers to degrees of freedom, while SS refers to sum of squares.

Source of variation df SS % variation F-statistic P-value
Three clusters1
  Among clusters 2 8.15 0.93 0.0093 0.1020
  Among populations within clusters 2 5.34 0.96 0.0097 0.0112
  Within populations 371 565.56 98.11 0.0189 <0.0001
Four clusters2
  Among clusters 3 12.20 2.01 0.0180 0.0064
  Among populations within clusters 1 1.30 −0.20 −0.0021 0.6016
  Within populations 371 565.56 98.20 0.0201 <0.0001
1

Clusters: 1) Penobscot Bay, 2) Frenchman Bay, Englishman Bay, and Starboard Cove, and 3) Cobscook Bay

2

Clusters: 1) Penobscot Bay, 2) Frenchman Bay, 3) Englishman Bay and Starboard Cove, and 4) Cobscook Bay

Bold indicates significance at the α = 0.05 level.