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Figure 2 | BMC Evolutionary Biology

Figure 2

From: A population genetic window into the past and future of the walleye Sander vitreus: relation to historic walleye and the extinct “blue pike” S. v. “glaucus”

Figure 2

Relationships among mtDNA control region haplotypes of walleye, including A haplotype network from TCS v1.21 [[54]] and B relative frequencies per population sample. Haplotypes from contemporary spawning groups are numbered 1–27 and #28 was found in a historic walleye. Letters = geographic locations of haplotypes from Table 1. * = haplotypes occurring in the historic walleye and “blue pike” samples analyzed here. Circles in the network are sized according to total observed frequency of the haplotype. Lines = a single mutational step between the haplotypes; small unlabeled circles = those hypothesized/not sampled.

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