Table 1 Multiple pairwise comparisons of the MRPP statistics of the cluster groups (A–G) of 86 sample plots in the studied areas based on Bray–Curtis’s distance.

From: Species composition and vegetation structure of coastal and desert habitats in a hyper-arid environment

Group compared

T

A

P

A vs. B

 − 8.28

0.11

0.00000054**

A vs. C

 − 8–10

0.14

0.00000207**

A vs. D

 − 9.09

0.15

0.00000060**

A vs. E

 − 9.40

0.08

0.00000011**

A vs. F

 − 11.44

0.24

0.00000098**

A vs. G

 − 17.87

0.18

0.00000010**

B vs. C

 − 6.50

0.17

0.00005549**

B vs. D

 − 8.62

0.19

0.00000516**

B vs. E

 − 9.34

0.11

0.00000026**

B vs. F

 − 10.02

0.31

0.00000734**

B vs. G

 − 17.70

0.23

0.00000010**

C vs. D

 − 6.07

0.18

0.00012369**

C vs. E

 − 8.65

0.12

0.00000118**

C vs. F

 − 7.88

0.35

0.00013909**

C vs. G

 − 14.87

0.21

0.00000001**

D vs. E

 − 9.75

0.12

0.00000014**

D vs. F

 − 8.93

0.31

0.00003623**

D vs. G

 − 14.96

0.19

0.00000010**

E vs. F

 − 7.80

0.11

0.00000478**

E vs. G

 − 12.42

0.09

0.00000011**

F vs. G

 − 10–72

0.15

0.00000027**

  1. A = change-corrected within group agreement, T = difference between the observed and expected deltas, ** = p < 0.01.