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. 2011 Jun 28;6(6):e20380. doi: 10.1371/journal.pone.0020380

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Probability of quasi-extinction as a function of the rate of river warming, assuming no flow effect on survival. Data points show means of 100 replicates; curves are best sigmoid fits to data. Black curve: heritability (h²) of migration timing = 0; red curves: h² = 0.25; green curves: h² = 0.5; blue curves: h² = 0.75.