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Figure 3 | BMC Evolutionary Biology

Figure 3

From: Parallel shifts in ecology and natural selection in an island lizard

Figure 3

Inter-annual variation in correlational selection acting jointly on fore and hindlimb lengths. Surfaces were produced using the cubic spline approach developed by Shluter and Nychka [33]. The vertical axis shows the probability of survival (W) and each horizontal axis represents a standardized residual limb length. Surfaces range from convex to concave in wet years, but there was no curvature in the surface during the drought year.

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