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Divergence time estimates from 20 demographic models of sauger populations upstream and downstream of Boysen Dam. Each box in the plot shows the results for all 20 models, but with a different mutation rate used to scale parameter estimates to sauger generations. The second y‐axis shows those same estimates scaled to years using a generation time of 3 years, and the dashed horizontal line shows the time of Boysen Dam's original installation.
