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.

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


Abbreviations and analyses as in Table 1.

Calsbeek et al. BMC Evolutionary Biology 2009 9:3   doi:10.1186/1471-2148-9-3

Open Data