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Table 1 Results of likelihood ratio tests used to test the effect of migration distance on wing morphology using the high point method

From: Migration distance as a selective episode for wing morphology in a migratory insect

Response variable

χ2

df

p

Distance parameter estimate

95% confidence interval

Wing Area

5.62

1

0.02

0.0124

0.0022, 0.0226

Wing Length

5.20

1

0.02

3.966e-4

5.577e-5, 7.374e-4

Roundness

1.99

1

0.159

3.084e-6

−1.21e-6, 7.38e-6

Aspect Ratio

0.19

1

0.659

1.89e-6

−6.52e-6, 1.03e-5

  1. For each wing morphology response variable, a global linear mixed effects model was constructed with sex, mean maximum daily temperature and migration distance as fixed effects, and year as a random effect. Distance was then removed from each model and compared to the global model using a likelihood ratio test. The χ 2 test statistic was used to calculate the p-value for each likelihood ratio test
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Movement Ecology

ISSN: 2051-3933