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Table 2 Results from an experimental manipulation of vegetation on a separate study island (Nightmare cay), illustrating selection on body size but not limb length following vegetation removal (2005) and relaxed selection on body size the following year when vegetation was allowed to grow back.

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

W (2005 Vegetation removal) 23% survival β/γ SE χ2 P-Value
Hindlimb -0.12 0.23 0.30 0.58
Forelimb 0.07 0.23 0.14 0.71
Hindlimb2 0.40 0.46 0.41 0.52
Forelimb2 0.44 0.48 0.71 0.40
Hindlimb × Forelimb -0.57 0.42 1.81 0.18
W (2005 Vegetation removal)
SVL 0.55 0.23 8.15 0.004
SVL2 0.08 0.28 2.25 0.13
W (2006 Vegetation recovery) 33% survival
Hindlimb -0.14 0.17 0.69 0.40
Forelimb -0.08 0.17 0.28 0.59
Hindlimb2 -0.28 0.28 1.03 0.31
Forelimb2 -0.32 0.30 1.21 0.27
Hindlimb × Forelimb 0.10 0.23 0.12 0.73
Term
SVL 0.06 0.19 0.10 0.75
SVL2 0.20 0.22 0.79 0.37
  1. Abbreviations and analyses as in Table 1.