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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)]

From: Exploring the roles of and interactions among microbes in dry co-digestion of food waste and pig manure using high-throughput 16S rRNA gene amplicon sequencing

  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
  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
  1. *** P < 0.001, ** P < 0.01, * P < 0.05
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