Table 1.
Analysis of deviance from generalized linear models examining variation in maturation of female Rastrineobola argentea across lakes (spatial analysis) and through time in Lake Victoria (temporal analysis). SL refers to standard length (mm)
| Analysis | Effect removed | df | Deviance | Residual df | Residual deviance | P |
|---|---|---|---|---|---|---|
| Spatial | Perturbation | 2 | 208.32 | 1001 | 1165.58 | <0.0001 |
| Lake (Perturbation) | 5 | 149.35 | 995 | 585.55 | <0.0001 | |
| SL | 1 | 430.68 | 1000 | 734.90 | <0.0001 | |
| Temporal | SL | 1 | 1225.80 | 2887 | 2101.7 | <0.0001 |
| Year | 8 | 175.67 | 2879 | 1926.0 | <0.0001 | |
| Year × SL | 8 | 129.45 | 2871 | 1796.5 | <0.0001 |