TABLE 5.
Bacterial and archaeal diversity index and community structure in the Sansha Yongle Blue Hole and other areas of the South China Sea.
| Location | Shannon | Dominant groups | Reference | |
| Bacteria | Open South China Sea | 3.32 ± 0.36 | upper layer: Gammaproteobacteria, Alphaproteobacteria, Cyanobacteria intermediate and deep layer: Firmicutes | Li et al., 2018 |
| Pelagic zones of the South China Sea | 4.39 ± 0.31 | Upper layer: Alphaproteobacteria, Cyanobacteria deep layer: Gammaproteobacteria | Tseng et al., 2015 | |
| Northern South China Sea | 4.96 ± 0.50 | Proteobacteria (Alphaproteobacteria, Gammaproteobacteria) | Xia et al., 2015 | |
| Sansha Yongle Blue Hole | 5.10 ± 1.26 | Upper layer: Gammaproteobacteria, Alphaproteobacteria, Cyanobacteria deep layer: Gammaproteobacteria, Epsilonproteobacteria | This study | |
| Archaea | Pelagic zones of the South China Sea | 3.55 ± 0.17 | Upper layer: Euryarchaeota (Marine Group II) deep layer: Euryarchaeota (Marine Group III) | Tseng et al., 2015 |
| Northern South China Sea | 3.02 ± 0.51 | Euryarchaeota (Marine Group II), Crenarchaeota (Marine Group I) | Xia et al., 2015 | |
| Sansha Yongle Blue Hole | 1.83 ± 1.43 | Euryarchaeota (Halobacterium) | This study |