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Table 2 Alpha diversity metrics for microbial populations in duckweed acidogenically digested under different environmental conditions

From: Effect of pH and temperature on microbial community structure and carboxylic acid yield during the acidogenic digestion of duckweed

Sample type Good’s coverage Observed OTUs Chao1 Shannon diversity index Simpson diversity index
Acidic mesophilic
 Blank 0.997 ± 0.001 789 ± 86 943 ± 81 4.53 ± 0.21 0.891 ± 0.017
 Active 0.990 ± 0.002 1819 ± 82 2495 ± 54 6.04 ± 0.07 0.955 ± 0.003
 Control 0.967 ± 0.003 2688 ± 13 3772 ± 240 7.77 ± 0.23 0.974 ± 0.009
Acidic thermophilic
 Blank 0.999 ± 0.000 135 ± 9 221 ± 42 0.85 ± 0.35 0.261 ± 0.117
 Active 0.993 ± 0.001 981 ± 89 1511 ± 129 3.64 ± 0.07 0.809 ± 0.018
 Control 0.989 ± 0.000 2492 ± 235 2960 ± 258 6.66 ± 0.40 0.945 ± 0.028
Basic mesophilic
 Blank 0.993 ± 0.003 1155 ± 298 1481 ± 381 5.65 ± 0.68 0.947 ± 0.017
 Active 0.983 ± 0.002 2145 ± 235 3155 ± 236 6.23 ± 0.41 0.947 ± 0.018
 Control 0.960 ± 0.002 4226 ± 98 6141 ± 0 8.61 ± 0.08 0.988 ± 0.002
Basic thermophilic
 Blank 0.993 ± 0.001 1135 ± 151 1463 ± 146 4.62 ± 0.26 0.826 ± 0.025
 Active 0.986 ± 0.001 2251 ± 222 3156 ± 361 5.77 ± 0.20 0.916 ± 0.012
 Control 0.960 ± 0.004 4626 ± 267 6568 ± 407 9.15 ± 0.01 0.993 ± 0.000
Acidic inoculum 0.976 ± 0.004 2637 ± 242 3706 ± 49 7.12 ± 0.06 0.974 ± 0.001
Basic inoculum 0.961 ± 0.000 3421 ± 92 5129 ± 1 8.48 ± 0.03 0.988 ± 0.000
Duckweed 0.984 ± 0.002 1539 ± 159 2053 ± 129 7.07 ± 0.17 0.971 ± 0.006