Table 3 Microbial richness and diversity at the genus level during dry co-digestion of food waste and pig manure [values are the mean of data from duplicate reactors ± standard deviation (SD)]
| Â | Richness | Diversity | ||
|---|---|---|---|---|
Chao1 | Observed species | PD whole TREE | Shannon | |
Phase I | 1415 ± 125 | 1208 ± 126 | 92.8 ± 8.4 | 6.58 ± 0.93 |
Phase II | 1595 ± 72 | 1366 ± 64 | 102.2 ± 3.9 | 6.85 ± 0.69 |
Phase III | 1637 ± 54 | 1404 ± 83 | 104.8 ± 4.6 | 6.97 ± 0.58 |
R1 | 1597 ± 123 | 1312 ± 112 | 98.7 ± 7.2 | 6.09 ± 0.41 |
R2 | 1570 ± 118 | 1294 ± 123 | 97.5 ± 7.6 | 6.30 ± 0.49 |
R3 | 1582 ± 122 | 1411 ± 124 | 104.9 ± 7.6 | 7.47 ± 0.41 |
R4 | 1473 ± 111 | 1310 ± 93 | 99.8 ± 5.5 | 7.37 ± 0.31 |
| Â | Statistical analysis (P values) | |||
|---|---|---|---|---|
Chao1 | Observed species | PD whole tree | Shannon | |
Phase | 0.000*** | 0.000*** | 0.000*** | 0.667 |
Phase I vs Phase II | 0.001*** | 0.002** | 0.008** | 1.000 |
Phase I vs Phase III | 0.000*** | 0.000*** | 0.000*** | 1.000 |
Phase II vs Phase III | 0.500 | 0.927 | 0.424 | 1.000 |
Condition | 0.008** | 0.004** | 0.002** | 0.000*** |
Inoculum | 0.057 | 0.022* | 0.008** | 0.000*** |
FW/PM | 0.007** | 0.009** | 0.013* | 0.941 |
R1 vs. R2 | 1.000 | 1.000 | 1.000 | 1.000 |
R1 vs. R3 | 1.000 | 0.078 | 0.048* | 0.000*** |
R1 vs. R4 | 0.007** | 1.000 | 1.000 | 0.000*** |
R2 vs. R3 | 1.000 | 0.003** | 0.002** | 0.000*** |
R2 vs. R4 | 0.309 | 1.000 | 1.000 | 0.007** |
R3 vs. R4 | 0.069 | 0.039* | 0.070 | 1.000 |