Ecological Archives E096-089-A4

Jacquelyn L. A. Wood and Dylan J. Fraser. 2015. Similar plastic responses to elevated temperature among different-sized brook trout populations. Ecology 96:1010–1019. http://dx.doi.org/10.1890/14-1378.1

Appendix D. GLMM results to evaluate the effect of temperature regime, population size (N or Nb), egg size, family size, and interactions on mean trait values at CR.

Table D1. Regression coefficients estimated using GLMMs to evaluate the effect of temperature regime, population size, egg size, family size, and interactions on mean trait values for four of six early life-history traits forNb and six early life history traits for N for eight Cape Race brook trout populations.

Fixed effects

Hatch time
(degree days)

Hatch length (mm)

Yolk-sac volume (mm3)

Yolk-sac
conversion efficiency

Cold

43.54***
(2.50)

0.93***
(0.16)

-3.99***
(1.00)

1.96***
(10.30)

Medium

49.86***
(2.47)

1.08***
(0.16)

-0.50
(1.03)

0.17
(0.28)

Nb

0.014
(0.15)

-7.6×10-3
(6.4×10-3)

-0.015
(0.035)

-6.3×10-3*
(3.1×10-3)

Egg size

0.20
(0.65)

0.12***
(0.029)

0.85***
(0.15)

-0.091***
(0.015)

Family size

-3.77*
(1.90)

-0.25*
(0.13)

-1.56
(0.82)

0.13
(0.16)

Cold × Nb

-4.3×10-3
(0.011)

-2.8×10-4
(6.9×10-4)

-7.7×10-3
(4.4×10-3)

-1.9×10-3
(1.3×10-3)

Medium × Nb

-0.012
(0.011)

-5.7×10-4
(7.2×10-4)

-0.013**
(4.6×10-3)

1.9×10-3
(1.3×10-3)

Cold × egg size

-0.30*
(0.12)

7.7×10-3
(7.5×10-3)

-0.14**
(0.049)

-0.059***
(0.015)

Medium × egg size

-0.11
(0.13)

-6.1×10-3
(7.7×10-3)

0.096
(0.050)

-1.0×10-3
(0.015)

Nb × egg size

-1.3×10-3
(7.4×10-3)

4.7×10-4
(3.5×10-4)

1.0×10-3
(2.1×10-3)

3.3×10-4*
(1.6×10-4 )

Cold × family size

4.65***
(1.36)

0.15
(0.092)

1.39*
(0.60)

-0.15
(0.17)

Medium × family size

-2.86*
(1.22)

-0.48***
(0.090)

-0.55
(0.57)

-0.12
(0.16)

Nb × family size

-0.018
(0.020)

1.3×10-3
(1.3×10-3)

5.5×10-3
(8.4×10-3)

-1.3×10-4
(1.6×10-3)

Random effects

Family

10.10
(0.31)

0.42
(0.30)

2.74
(0.36)

NA

Stream

11.20
(0.34)

0.31
(0.23)

0.43
(0.064)

NA

 

Fixed effects

Hatch time

Hatch length

Yolk-sac volume

Emergence length

Yolk-sac conversion efficiency

Survival

Cold regime

43.47***
(2.48)

1.01***
(0.15)

-4.72e***
(0.99)

0.53**
(0.16)

1.94***
(0.29)

0.13
(0.26)

Medium regime

49.50***
(2.43)

1.17***
(0.16)

-1.31
(1.01)

0.69***
(0.16)

0.24
(0.28)

1.44***
(0.27)

N

4.4×10-3
(2.7×10-3)

-6.5×10-5
(1.3×10-4)

-2.5×10-4
(7.3×10-4)

-1.2×10-4
(1.7×10-4)

-1.9×10-4**
(6.9×10-5)

-4.6×10-6
(6.9×10-5)

Egg size

0.75
(0.54)

0.14***
(0.026)

0.84***
(0.14)

0.14***
(0.039)

-0.099***
(0.014)

8.3×10-4
(0.011)

Family size

-2.02
(1.65)

-0.26*
(0.12)

-0.38
(0.75)

0.10
(0.11)

0.085
(0.14)

-0.16
(0.13)

Cold regime × N

-4.0×10-4*
(1.9×10-4)

-2.9×10-5*
(1.3×10-5)

1.3×10-4
(8.1×10-5)

-6.4×10-5***
(1.2×10-5)

-4.9×10-5*
(2.3×10-5)

-3.3×10-5
(2.2×10-5)

Medium regime × N

-1.7×10-4
(1.8×10-4)

-3.0×10-5*
(1.3×10-5)

5.3×10-7
(8.3×10-5)

6.3×10-6
(1.2×10-5)

1.2×10-5
(2.3×10-5)

-5.9×10-5**
(2.2×10-5)

Cold regime × egg size

-0.27 *
(0.12)

1.0×10-2
(7.6×10-3)

-0.16**
(0.049)

0.055***
(7.6×10-3)

-0.056***
(0.015)

-0.026
(0.013)

Medium regime × egg size

-0.12
(0.13)

-3.2×10-3
(7.8×10-3)

0.087
(0.050)

0.047***
(7.7×10-3)

3.8×10-4
(0.015)

-0.074***
(0.014)

N × egg size

-1.4×10-4
(1.3×10-4)

4.9×10-6
(7.1×10-6)

2.7×10-5
(4.2×10-5)

1.2×10-5
(8.6×10-6)

1.0×10-5**
(3.4×10-6)

-1.7×10-8
(1.8×10-6)

Cold regime × family size

5.20***
(1.33)

0.15
(0.092)

1.46*
(0.59)

0.091
(0.092)

-0.16
(0.17)

0.58**
(0.14)

Medium regime × family size

-2.70*
(1.22)

-0.48***
(0.089)

-0.57
(0.57)

-0.14
(0.084)

-0.094
(0.16)

0.059
(0.13)

N × family size

-9.7×10-4*
(3.9×10-4)

4.1×10-5
(2.8×10-5)

-2.4×10-4
(1.8×10-4)

-3.3×10-5
(2.6×10-5)

-1.2×10-5
(3.4×10-4)

-3.0×10-5
(2.3×10-5)

Random effects

Family

10.09
(0.31)

0.42
(0.31)

2.75
(0.37)

0.78
(0.35)

NA

Stream

11.15
(0.34)

0.29
(0.22)

0.20
(0.027)

0.64
(0.29)

NA

0.40
(NA)

*<0.05, **<0.01, ***<0.001
NA = Not available

[Back to E096-089]