Table 2.
Measures of alpha diversity of bacterial phylotypes in propionate reactors.
| Sample | Chao1 | Observed OTUs | PD index | Shannon diversity index |
|---|---|---|---|---|
| A_PL_0 | 1948 ± 125 | 560 ± 20 | 46 ± 2 | 6.03 ± 0.07 |
| A_PL_10 | 1364 ± 225 | 385 ± 12 | 33 ± 2 | 4.92 ± 0.11 |
| A_PL_30 | 1062 ± 122 | 341 ± 11 | 30 ± 1 | 4.18 ± 0.07 |
| A_PL_50 | 1370 ± 82 | 399 ± 4 | 34 ± 0.5 | 5.03 ± 0.02 |
| A_PL_70 | 1820 ± 121 | 543 ± 7 | 44 ± 0.7 | 6.4 ± 0.02 |
| S_PL_0 | 2511 ± 347 | 641 ± 10 | 51 ± 2 | 6.8 ± 0.04 |
| S_PL_10 | 1467 ± 100 | 446 ± 6 | 38 ± 0.7 | 5.9 ± 0.09 |
| S_PL_30 | 1046 ± 131 | 365 ± 10 | 31 ± 1 | 4.74 ± 0.06 |
| S_PL_50 | 1664 ± 24 | 568 ± 1 | 44 ± 0.05 | 6.79 ± 0.004 |
| S_PL_70 | 1969 ± 252 | 524 ± 15 | 45 ± 2 | 6.12 ± 0.14 |
| A_PH_0 | 3465 ± 265 | 1225 ± 14 | 75 ± 2 | 6.5 ± 0.04 |
| A_PH_20 | 2858 ± 172 | 1051 ± 18 | 65 ± 1 | 6.2 ± 0.06 |
| A_PH_35 | 2415 ± 190 | 887 ± 15 | 57 ± 0.8 | 5.5 ± 0.04 |
| A_PH_70 | 2395 ± 227 | 899 ± 18 | 58 ± 1.5 | 5.6 ± 0.04 |
| S_PH_0 | 2496 ± 117 | 1065 ± 15 | 65 ± 1 | 6.84 ± 0.07 |
| S_PH_20 | 2885 ± 14 | 1032 ± 1 | 62 ± 0.03 | 6.26 ± 0.04 |
| S_PH_35 | 2029 ± 110 | 899 ± 23 | 54 ± 2 | 6.81 ± 0.04 |
| S_PH_70 | 1607 ± 171 | 625 ± 15 | 41 ± 1 | 4.42 ± 0.02 |
A, anode; S, suspension.