TABLE 2.
Mantel test comparison between community variability (measured as Bray–Curtis dissimilarity) and environmental biotic and abiotic factors. When the correlation is significant both ρ-value and R2 are bold (p < 0.01).
| Factor | Community distance |
|
| ρ | R2 | |
| Geographic distance | 0.0001 | 0.338 |
| Salinity | 0.0001 | 0.809 |
| Temperature | 0.0001 | 0.558 |
| PO4 | 0.0001 | 0.567 |
| NO2+NO3 | –0.050 | 0.841 |
| NH4 | 0.0001 | 0.470 |
| SiO2 | 0.0001 | 0.357 |
| Chl a | 0.0001 | 0.257 |
| Heterotrophic bacteria | 0.0001 | 0.227 |
| Pigmented pico-sized eukaryotes | 0.0001 | 0.316 |