Table 2 Post-hoc analysis results for general linear mixed effect model predictions for Vancouver Island mysids contribution based on “layer” (SC, SB) within each “age” (mothers; calves) and between “year and month” of sampling.

From: Isotopic composition of the eastern gray whale epidermis indicates contribution of prey outside Arctic feeding grounds

Prey location

Index

Group A

Group B

Odds. ratio

SE

df

t. ratio

p value

Vancouver Island

Mothers

feb_2011 SC

feb_2018 SC

0.17

0.06

86

− 5.37

0.000067

feb_2011 SC

jan_2019 SC

0.41

0.12

− 2.92

0.246696

feb_2011 SC

mar_2019 SC

0.21

0.06

− 5.15

0.000159

feb_2018 SC

jan_2019 SC

2.46

0.79

2.81

0.322270

feb_2018 SC

mar_2019 SC

1.22

0.40

0.61

1.000000

jan_2019 SC

mar_2019 SC

0.50

0.15

− 2.37

0.771440

feb_2011 SB

feb_2018 SB

0.17

0.06

− 5.37

0.000067

feb_2011 SB

jan_2019 SB

0.41

0.12

− 2.92

0.246696

feb_2011 SB

mar_2019 SB

0.21

0.06

− 5.15

0.000159

feb_2018 SB

jan_2019 SB

2.46

0.79

2.81

0.322270

feb_2018 SB

mar_2019 SB

1.22

0.40

0.61

1.000000

jan_2019 SB

mar_2019 SB

0.50

0.15

− 2.37

0.771440

Calves

feb_2011 SC

feb_2018 SC

0.17

0.06

86

− 5.37

0.000067

feb_2011 SC

jan_2019 SC

0.41

0.12

− 2.92

0.246696

feb_2011 SC

mar_2019 SC

0.21

0.06

− 5.15

0.000159

feb_2018 SC

jan_2019 SC

2.46

0.79

2.81

0.322270

feb_2018 SC

mar_2019 SC

1.22

0.40

0.61

1.000000

jan_2019 SC

mar_2019 SC

0.50

0.15

− 2.37

0.771440

feb_2011 SB

feb_2018 SB

0.17

0.06

− 5.37

0.000067

feb_2011 SB

jan_2019 SB

0.41

0.12

− 2.92

0.246696

feb_2011 SB

mar_2019 SB

0.21

0.06

− 5.15

0.000159

feb_2018 SB

jan_2019 SB

2.46

0.79

2.81

0.322270

feb_2018 SB

mar_2019 SB

1.22

0.40

0.61

1.000000

jan_2019 SB

mar_2019 SB

0.50

0.15

− 2.37

0.771440

Back to article page