Table 2. Estimates of richness and diversity for operational taxonomic unit definition of 100% similarity for each multi-year ice and seawater sample.
| Sample | Unique reads | Chao1 | 95% confidence interval | Estimated % coverage | Shannon's index (non-parametric) | Simpson's index | 95% confidence interval |
|---|---|---|---|---|---|---|---|
| I13 | 543 | 1516 | 1242–1896 | 35.8 | 2.96 | 0.237 | 0.23–0.25 |
| I14 | 552 | 1588 | 1298–1990 | 34.8 | 4.36 | 0.071 | 0.065–0.076 |
| S15 | 1057 | 3214 | 2769–3776 | 32.9 | 4.19 | 0.079 | 0.076–0.082 |
| S16 | 853 | 2770 | 2320–3358 | 30.8 | 3.64 | 0.137 | 0.137–0.148 |
| S17 | 996 | 3143 | 2675–3742 | 31.7 | 3.95 | 0.111 | 0.106–0.115 |