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Table 7 Diversity estimates for the major geographic regions for each species, based on mtDNA after excluding putatively introgressed individuals, are indicated in the diagonal (in bold). Haplotype and nucleotide diversity differences between geographic regions are shown below the diagonal, while significance (p-values) are shown above the diagonal. o - L. obtusata, f - L. fabalis, USA – North America, NE – northern-central Europe, IP – Iberian Peninsula

From: Phylogeographic history of flat periwinkles, Littorina fabalis and L. obtusata

ParameterGeographic region per speciesoUSAoNEoIPfNEfIP
Haplotype diversityoUSA0.56860.00000.00000.00000.0000
oNE0.39000.95860.00000.00000.0000
oIP0.2869−0.10320.85550.00000.0010
fNE0.3250−0.06500.03810.89360.0000
fIP0.2461−0.1439−0.0407−0.07880.8148
Nucleotide diversityoUSA0.00060.00000.02700.00000.1800
oNE0.00540.00590.00000.00800.0000
oIP0.0020−0.00330.00260.01000.1870
fNE0.0037−0.00160.00170.00430.0000
fIP0.0013−0.0041−0.0008−0.00240.0018
  1. Significant values after Bonferrni correction (p-value = 0.005) are indicated in italic