Table 2 Model summaries for the western Norway spawning grounds overall depth distribution during the spawning (sp) and feeding (fp) periods. The response variable was depth for all models. The default treatment contrast in R was used, with the intercept value epresenting females during the day. Square brackets indicate categorical variables, i.e. males and night, tested against this reference value.Fixed effects; length = length centered – continous variable, sex = sex of fish – categorical variable, DN = day or night – categorical variable. X indicates interaction. The values for the fixed effects are shown at the top of the table with the random effects underneath.

From: Sex-specific vertical movements of spawning atlantic cod in coastal habitats inferred from acoustic telemetry

Predictors

WN_1_sp

WN_1_fp

WN_2_sp

WN_2_fp

Estimates

CI

p

Estimates

CI

p

Estimates

CI

p

Estimates

CI

p

(Intercept)

32.21

29.21–35.21

< 0.001

21.11

15.41–26.81

< 0.001

28.39

25.46–31.31

< 0.001

20.18

14.49–25.87

< 0.001

Length

-0.26

-0.50 – -0.01

0.038

0.06

-0.38–0.51

0.776

-0.28

-0.60–0.04

0.082

0.33

-0.80–1.46

0.561

Sex [M]

5.49

1.65–9.34

0.005

3.69

-4.35–11.72

0.368

8.00

4.16–11.84

< 0.001

2.88

-4.46–10.21

0.442

DN [Night]

-14.38

-14.47 – -14.30

< 0.001

-3.79

-3.86 – -3.72

< 0.001

-9.53

-9.66 – -9.40

< 0.001

-4.11

-4.18 – -4.04

< 0.001

Length × Sex [M]

0.17

-0.21–0.55

0.381

-0.07

-0.92–0.79

0.879

0.03

-0.57–0.62

0.933

0.67

-0.74–2.07

0.352

Length × DN[Night]

0.43

0.43–0.44

< 0.001

0.17

0.17–0.18

< 0.001

0.46

0.45–0.48

< 0.001

0.08

0.07–0.10

< 0.001

Sex [M] × DN[Night]

9.02

8.90–9.13

< 0.001

0.15

0.04–0.26

0.006

8.42

8.26–8.59

< 0.001

2.09

1.96–2.21

< 0.001

Length × Sex [M]

× DN[Night]

-0.13

-0.14 – -0.12

< 0.001

0.05

0.03–0.06

< 0.001

-0.17

-0.20 – -0.15

< 0.001

0.13

0.10–0.16

< 0.001

Random Effects

σ2

107.78

112.26

66.71

51.96

τ00

13.67 Year: Jday

31.53 Year: Jday

21.77 Year: Jday

40.74 Year: Jday

 

88.85 Serial2

20.18 Jday

1.37 Jday

50.08 Jday

 

5.19 Jday

205.49 Serial2

35.93 Serial2

89.60 Serial2

ICC

0.50

0.70

0.47

0.78

N

119 Serial2

60 Serial2

42 Serial2

29 Serial2

 

3 Year

3 Year

3 Year

3 Year

 

60 Jday

246 Jday

60 Jday

246 Jday

Observations

605,291

887,411

190,250

358,737

Marginal R2 / Conditional R2

0.197 / 0.599

0.020 / 0.702

0.286 / 0.621

0.040 / 0.785