Table 4.
Community structure analyses.
| Comparison | Test | Sign | Comparison | Test | Sign |
|---|---|---|---|---|---|
| A. Antarctic vs. Environment: | B1. Correlation between assemblages: | ||||
| Bacteria vs. Geo. Distance | Mantel(BC) | na | Bacteria Vs. Microeukaryotes | Mantel(BC) | *** |
| Mantel(Rao) | na | Mantel(Rao) | na | ||
| Bacteria vs. Latitude | Mantel(BC) | na | Bacteria Vs. VirusF | Mantel(BC) | na |
| Mantel(Rao) | na | Mantel(Rao) | na | ||
| Bacteria vs. Physicochem. | Mantel(BC) | ** | Bacteria Vs. VirusC | Mantel(BC) | na |
| Mantel(Rao) | na | Mantel(Rao) | ** | ||
| Microeukaryotes vs. Geo.Distance | Mantel(BC) | na | Microeukaryotes Vs. VirusF | Mantel(BC) | na |
| Mantel(Rao) | na | Mantel(Rao) | na | ||
| Microeukaryotes vs. Latitude | Mantel(BC) | na | Microeukaryotes Vs. VirusC | Mantel(BC) | na |
| Mantel(Rao) | na | Mantel(Rao) | na | ||
| Microeukaryotes vs. Physicochem. | Mantel(BC) | * | |||
| Mantel(Rao) | na | ||||
| C. Between-poles: | |||||
| B2. Virus (other): | |||||
| Bacteria | BCA | ** | |||
| cDPCoA | na | ||||
| Between lakes | BCA | ** | Microeukaryotes | BCA | ** |
| cDPCoA | ** | cDPCoA | ** | ||
| VirusF vs. VirusC | BCA | ** | Virus | BCA | ** |
| cDPCoA | na | cDPCoA | ** | ||
Tests: Mantel(BC), [Mantel test based on Bray-Curtis distances]; Mantel(Rao), [Mantel test based on Rao distances{Phylogenetic}]; BCA, [Between class analysis]; cDPCoA, [Constrained Double Principal Coordinates Analysis {Phylogenetic}. Sign: na (p > 0.1),
***
(p < 0.001),
**
(p < 0.05),
*
(p < 0.1).
F
Free virus fraction,
C
Cellular fraction.