Table 2. Summary of ANCOVAs for the reproductive parameters and growth of female P. nigromaculatus in mesocosm experiments.
With temperature as a fixed factor, and using feeding rate, temperature × feeding rate and initial body size as covariates.
| Source of variation | Reproductive time (day) | Clutch size (log10-transformed) | Egg size (mm) | Variation of body size | ||||
|---|---|---|---|---|---|---|---|---|
| df | F | df | F | df | F | df | F | |
| Temperature | 2 | 11.829*** | 2 | 0.209 | 2 | 0.863 | 2 | 0.574 |
| Feed rate | 1 | 0.034 | 1 | 38.425*** | 1 | 1.589 | 1 | 68.103*** |
| Temperature × feeding rate | 2 | 0.375 | 2 | 0.849 | 2 | 0.837 | 2 | 0.571 |
| Initial body size | 1 | 6.875* | 1 | 496.769*** | 1 | 161.735*** | 1 | 0.626 |
| Error | 30 | 30 | 30 | 98 | ||||
Notes.
*
P-value < 0.05 (2-tailed).
***
P-value < 0.001 (2-tailed).