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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Am Nat. 2015 Aug 17;186(0):S60–S73. doi: 10.1086/682404

Figure 4.

Figure 4

In the CO low elevation garden (2011 cohort), lifetime fitness varied with linear and quadratic effects of source elevation. The elevation of the garden (2891m) is indicated by a closed star on the X-axis. Fitness declined to a minimum for genotypes from mid-elevation populations and then increased to an unexpected peak in genotypes from high source elevation. The highest elevation family (3682m) is an influential outlier; when removed (small panel) fitness declines with source elevation, as expected. These results suggest local maladaptation, with a foreign high elevation family achieving or exceeding fitness levels of the lowest elevation families. Shading around predicted regression lines indicates 95% Confidence Intervals.