TABLE 1.
Sea layer | Environmental variable | OTU richness | Shannon index | Community composition | Functional structure |
Epipelagic zone | Depth | 0.72*** | 0.48** | 0.12 | 0.25** |
DO | −0.70*** | −0.44** | 0.67** | 0.74** | |
Temperature | −0.68*** | −0.50*** | 0.63** | 0.70** | |
Salinity | 0.73*** | 0.45** | 0.28** | 0.30** | |
NO3– | 0.73*** | 0.52*** | –0.06 | 0.02 | |
PO43– | 0.22 | 0.31* | –0.12 | –0.06 | |
SiO32– | –0.14 | –0.001 | 0.14 | 0.10 | |
Below depth of 200 m | Depth | −0.35* | 0.008 | 0.14** | –0.002 |
Whole water column | Depth | −0.42*** | 0.20 | 0.51** | 0.66** |
*p < 0.05; **p < 0.01; ***p < 0.001.