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Table 1 Alpha diversity indices for bacterial communities

From: Plant nickel-exclusion versus hyperaccumulation: a microbial perspective

Species and compartmenta

Nb

Observed

Shannon

InvSimpsonc

Pg (Ni-HA) seeds

3

1 ± 1 bf

0.23 ± 0.4 h

1.33 ± 0.58 h

Ps (nA) seeds

8

7 ± 2 c

1.31 ± 0.34 g

3.08 ± 1.63 g

Pg (Ni-HA) pulps

10

8 ± 2 c

1.79 ± 0.26 e

4.88 ± 1.16 e

Ps (nA) pulps

8

20 ± 3 g

2.52 ± 0.19 f

9.53 ± 2.35 f

Pg (Ni-HA) leaves

13

2 ± 1 b

0.59 ± 0.53 h

2.06 ± 1.36 h

Ps (nA) leaves

10

1 ± 0 f

0.2 ± 0.33 h

1.28 ± 0.45 h

Pg (Ni-HA) roots

16

623 ± 205 d

5.58 ± 0.12 a

87.43 ± 8.22 b

Ps (nA) roots

15

585 ± 64 d

5.46 ± 0.08 d

71.22 ± 7.37 d

Pg (Ni-HA) soil

16

784 ± 143 e

5.12 ± 0.11 b

27.19 ± 2.33 c

Ps (nA) soil

16

878 ± 140 ae

5.23 ± 0.11 i

31.68 ± 3.12 i

Bulk soil

16

977 ± 264 a

6.34 ± 0.33 c

255.23 ± 42.31 a

  1. Observed, Shannon, and InvSimpson values are presented as mean ± standard deviation and Tukey's letter
  2. aPg = Psychotria gabriellae (Ni-HA) and Ps = Psychotria semperflorens (nA)
  3. bN = number of samples
  4. cInvSimpson = Inverse Simpson