Table 1. Mean values of richness and diversity for multiple OTU definitions for the MYI and seawater communities.
|
Chao1 |
Np-Shannon's index |
Simpsons's index |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OTU | Sea ice | Seawater | t | P | Sea ice | Seawater | t | P | Sea ice | Seawater | t | P |
| Unique | 1552 | 3042 | 5.57 | 0.11 | 3.66 | 3.93 | 0.25 | 0.84 | 0.15 | 0.11 | 0.65 | 0.56 |
| 97% | 614 | 1309 | 2.34 | 0.26 | 3.38 | 3.72 | 0.34 | 0.79 | 0.16 | 0.11 | 0.65 | 0.56 |
| 93% | 305 | 768 | 2.38 | 0.25 | 3.08 | 3.51 | 0.47 | 0.72 | 0.17 | 0.12 | 0.75 | 0.51 |
| 90% | 230 | 600 | 2.15 | 0.28 | 2.84 | 3.35 | 0.53 | 0.69 | 0.20 | 0.12 | 0.87 | 0.45 |
Abbreviations: MYI, multi-year ice; OTU, operational taxonomic unit.
Student's t-test results and significance between MYI and seawater samples are given as t and P, respectively.