Table 2 Bacterial α-diversity of the investigated mud samples.

From: Mud volcanoes and the presence of PAHs

Depth (cm)

Shannon Index

PD* whole tree

Chao1

Observed

Species

Simpson Index

Surface

7.7

32.5

506.7

472.0

1.0

−10

6.0

29.2

423.0

399.0

0.9

−20

3.2

10.5

97.3

84.0

0.8

−40

4.0

13.9

162.4

137.0

0.9

−80

7.7

31.7

506.8

446.0

1.0

  1. *PD - phylogenetic diversity.
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