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Table 1 Associations between principal component (PC) axes of environmental variation and physiological traits for these species. Reported statistics are from multi-way ANOVA models that include a PC (d.f. = 1) and species (d.f. = 2) as independent variables, and a given physiological trait as the dependent variable. Bonferroni corrected significance level is P < 0.0004

From: Desiccation resistance and pigmentation variation reflects bioclimatic differences in the Drosophila americana species complex

 

Desiccation Resistance

Pigmentation

Male

Female

Male

Female

F

P

F

P

F

P

F

P

PC1

0.23

0.65

0.05

0.83

0.98

0.37

0.99

0.36

Species

6.29

0.043

2.46

0.18

45.04

0.00063

79.4

0.00016

PC2

0.60

0.47

0.97

0.37

7.26

0.043

6.53

0.051

Species

6.73

0.038

2.91

0.14

92.33

0.00011

152.6

< 0.0001