Table 2. Estimated effects of the environmental variables and zooplankton abundance on the levels of V. parahaemolyticus detected in >200-μm zooplankton, as inferred from GAM analysis.
| Effectsa | Effective degrees of freedom (edf) | Coefficient (95% CI) | Deviance explained (%) | P-value |
|---|---|---|---|---|
| s (Seawater temperature) | 1.406 | — | 6.9 | 0.280 |
| s (Salinity) | 2.122 | — | 14.4 | 0.195 |
| Upwelling | 1.000 | −0.0013 (−0.0025, −0.0002) | 14.5 | 0.024 |
| s (Abundance (total)) | 1.938 | — | 40.7 | <0.001 |
| s (Copepoda (total)) | 1.982 | — | 29.6 | 0.011 |
| s (Cladocera (total)) | 2.322 | — | 39.6 | 0.001 |
| s (Cnidaria) | 2.465 | — | 42.0 | <0.001 |
| Gastropoda larvae | 1.000 | 0.0040 (0.0013, 0.0067) | 20.5 | 0.006 |
| s (Lamellibranchia larvae) | 2.409 | — | 27.3 | 0.037 |
Abbreviations: CI, confidence interval; GAM, generalized additive model.
a
s (predictor): Smooth (centred) effect of the predictor.