Table 8 Indices of alpha diversity of microcosms, T_1: hydrothermal pretreatment (30 min, 150 °C) and T_2: hydrothermal-alkaline pretreatment (0.2 mol/L NaOH, 30 min, 150 °C).

From: Enhanced methane production from bloom algal biomass using hydrothermal and hydrothermal-alkaline pretreatment with anaerobic digestion

Sample

Bacteria

Archaea

Chao

Ace

Shannon

Simpson

Chao

Ace

Shannon

Simpson

Inoculum

871.6

874.8

5.3

0.02

30.0

30.0

1.9

0.22

T_1

140.1

142.5

2.4

0.18

3.0

0.1

0.3

0.87

T_2

129.1

138.5

1.2

0.56

6.0

6.0

0.6

0.56

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