Figure 2 | Scientific Reports

Figure 2

From: Phylogeography of the finless porpoise (genus Neophocaena): testing the stepwise divergence hypothesis in the northwestern Pacific

Figure 2

The number of migrations of the genus Neophocaena along the western Pacific over time.

The migration rates are indicated by the parameter M multiplied by 1,000. The time scale is shown in mutational units by generation. A box indicates a time interval covering the strengthening migration during 0.00815–0.00995 along the marine coast, which is separately translated into absolute time using substitution rates of 0.6%, 0.98% and 1.2% per million years at the bottom.

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