Table 3 Effects of incubation temperature on development time and morphological traits of Tropidurus torquatus newborns under four temperature regimes.

From: Effects of incubation temperature on development, morphology, and thermal physiology of the emerging Neotropical lizard model organism Tropidurus torquatus

Trait

Incubation temperature (°C)

Effects

28.7 (n = 24)

30.0 (n = 25)

32.5 (n = 19)

32.5 (+ 39.0/2 h) (n = 14)

Incubation temperature

Sex

F statistics

 

p

F statistics

 

p

TOD

151.75 (± 14.0) *a

78.8 (± 3.2) *b

71.43 (± 5.5) *c

69.3 (± 2.8) *c

639.9

*

 < 0.0001

0.003

ns

0.96

MAS

0.96 (± 0.1)

0.94 (± 0.1)

0.93 (± 0.1)

0.9 (± 0.1)

0.391

ns

0.76

0.074

ns

0.79

SVL

30.2 (± 1.2)

30.5 (± 1.4)

30.8 (± 1.6)

30.4 (± 1.6)

0.533

ns

0.66

0.048

ns

0.83

TLL

41.5 (± 6.1) *ab

42.0 (± 5.5) *ab

44.6 (± 4.1) *a

39.3 (± 7.5) *b

3.497

*

0.02

0.108

ns

0.74

TTL

71.7 (± 7.1) *b

72.5 (± 6.5) *ab

75.3 (± 5.3) *a

69.7 (± 8.7) *b

4.265

*

0.008

0.161

ns

0.69

BL

14.0 (± 1.0) *b **m < f

14.8 (± 0.9) *a

14.7 (± 1.1) *a

14.4 (± 1.3) *ab

5.381

*

0.002

5.129

**

0.034

INL

12.2 (± 0.6)

12.0 (± 0.6)

12.0 (± 0.7)

12.0 (± 0.5)

0.617

ns

0.6

0.037

ns

0.85

HL

8.4 (± 0.4) *a

8.2 (± 0.3) *b

8.2 (± 0.6) *ab

8.2 (± 0.4) *b

3.096

*

0.03

2.316

ns

0.13

HW

6.3 (± 0.4)

6.3 (± 0.3)

6.2 (± 0.5)

6.3 (± 0.4)

0.266

ns

0.85

1.512

ns

0.22

HH

4.5 (± 0.3) *a

4.5 (± 0.2) *ab

4.5 (± 0.3) *a

4.3 (± 0.2) *b

3.416

*

0.02

0.13

ns

0.72

HUM

4.8 (± 0.4)

4.7 (± 0.3)

4.6 (± 0.3)

4.8 (± 0.5)

1.088

ns

0.36

1.627

ns

0.21

RAD

4.5 (± 0.3)

4.5 (± 0.3)

4.5 (± 0.3)

4.4 (± 0.3)

0.444

ns

0.72

0.118

ns

0.73

HAL

6.9 (± 0.4)

6.8 (± 0.3)

6.7 (± 0.4)

6.8 (± 0.3)

1.063

ns

0.37

0.475

ns

0.5

FEM

6.4 (± 0.5)

6.2 (± 0.4)

6.3 (± 0.6)

6.6 (± 0.6)

1.735

ns

0.17

0.242

ns

0.624

TIB

7.4 (± 0.5)

7.4 (± 0.42)

7.4 (± 0.3)

7.5 (± 0.5)

0.554

ns

0.65

0.19

ns

0.66

FTL

12.6 (± 0.6)

12.2 (± 0.7)

12.2 (± 0.6)

12.3 (± 0.6)

2.322

ns

0.08

0.008

ns

0.93

  1. BL body length, FEM femoral length, FTL foot length, HH head height, HL head length, HUM humeral length, HW head width, INL interbrachial-nasal length, MAS newborn mass, RAD radial (forearm) length, SLV snout-vent length, TIB tibial (foreleg) length, TLL tail length, TOD time of development, TTL total length. Significant effect of incubation temperature is indicated by (*) and significant effect on sex indicated by (**); letters *a, *b, & *c denotes the post-hoc difference among treatments; letters **m & **f denotes the post-hoc difference among sex; F, ANCOVA result; ns not significant; p, ANCOVA significance.
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