Appendix D (Table D1). Results of analyses of life history traits of three populations raised at two temperatures (12ºC and 18ºC).
|
Source |
df |
SS |
MS |
F |
P |
| A) Size at first reproduction | |||||
|
Population |
2 |
0.1188 |
0.06 |
0.47a |
0.6291 |
|
Temperature |
1 |
1.16 |
1.16 |
15.7b |
0.0007 |
|
Maternal Line (Pop)a |
22 |
2.76 |
0.13 |
1.73 |
0.0493 |
|
Population × Temperature |
2 |
0.98 |
0.049 |
6.63b |
0.0053 |
|
Maternal Line(Pop) × Temperatureb |
22 |
1.63 |
0.07 |
0.02 |
0.4552 |
|
B) Age at first reproduction |
|||||
|
Population |
2 |
253.65 |
126.83 |
0.13 a |
0.8575 |
|
Temperature |
1 |
56812.03 |
56812 |
46.85 b |
<0.0001 |
|
Maternal Line (Pop)a |
22 |
20892.26 |
949.64 |
1.46 |
0.1268 |
|
Population × Temperature |
2 |
3078.83 |
1539.42 |
1.27 b |
0.3008 |
|
Maternal Line(Pop) × Temperatureb |
22 |
26678.2 |
1212.65 |
1.87 |
0.031 |
|
C) Total offspring production |
|||||
|
Population |
2 |
504.62 |
252.31 |
0.64 a |
0.5354 |
|
Temperature |
1 |
2535.77 |
2535.77 |
15.7 b |
0.0007 |
|
Maternal Line (Pop)a |
22 |
8634.14 |
392.46 |
1.66 |
0.0599 |
|
Population × Temperature |
2 |
1685.38 |
842.69 |
5.22 b |
0.014 |
|
Maternal Line(Pop) × Temperatureb |
22 |
3552.73 |
161.49 |
0.68 |
0.8412 |
|
Time reproducing |
1 |
9830.19 |
9830.19 |
41.5 |
<0.0001 |
|
D) Reproductive rate |
|||||
|
Population |
2 |
7.32 |
3.66 |
0.46 a |
0.6387 |
|
Temperature |
1 |
3.98 |
3.98 |
1.33 b |
0.2613 |
|
Maternal Line (Pop)a |
22 |
176.07 |
8 |
1.43 |
0.134 |
|
Population × Temperature |
2 |
25.66 |
12.83 |
4.28 b |
0.0269 |
|
Maternal Line(Pop) × Temperatureb |
22 |
65.92 |
3 |
0.53 |
0.9491 |
|
Age at death |
1 |
95.7 |
95.7 |
17.07 |
0.0001 |
Notes: Significance is indicated by bold. Superscripts indicate the source term used as the error term for the F tests. ANOVA results for (A) size at first offspring, (B) for age at first reproduction, and ANCOVA results for (C) total offspring production and (D) reproductive rate. Time spent reproducing was a covariate for total offspring production; age at death was a covariate for reproductive rate.