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Table 3 General linear mixed models on frontal gill raker counts on first right gill arc and on the 3rd gill-raker length on first right lower gill arch with predictor variables in the Lake Engervann threespine sticklebacks. - denote non-reported values

From: Ongoing niche differentiation under high gene flow in a polymorphic brackish water threespine stickleback (Gasterosteus aculeatus) population

Test

Parameter

Estimate ± se

F

P

Number of frontal gill rakers on the first right gill arch

Intercept

20.637 ± 0.978

–

< 0.001

R2 = 0.02

Lateral plate morph - CPM*

0.319 ± 0.172

2.02*

0.135*

N = 236

Lateral plate morph - LPM*

−0.353 ± 0.189

–

–

P = 0.324

Sex

− 0.014 ± 0.098

0.02

0.888

Df = 4

Body length

−0.167 ± 0.208

0.65

0.423

3rd gill-raker length on the first right lower gill arch

Intercept

−0.029 ± 0.082

–

0.727

R2 = 0.656

Lateral plate morph - CPM#

0.011 ± 0.014

0.31#

0.736#

N = 236

Lateral plate morph - LPM#

− 0.010 ± 0.016

–

–

P < 0.001

Sex

−0.056 ± 0.008

46.86

< 0.001

Df = 4

Body length

0.243 ± 0.017

195.07

< 0.001

  1. for * and # the presented F-values and P-values are only reported jointly for the three classes of the lateral plate morphs (CPM Completely plated, PPM Partially plated, LPM Lowplated) while parameter values reported separately for CPM and LPM