Table 6 Jaccard index among plant surveys in each plot.

From: Multiple floods interactions shape riparian plant communities and diversity

Large-scale disturbance class

Year

Periodical disturbance class

Jaccard index (Mean ± S.D.)

p

Low

2020

Low

0.76 ± 0.31

0.85

Med

0.77 ± 0.30

High

0.83 ± 0.17

0.31

2021

Low

0.72 ± 0.18

0.74

Med

0.74 ± 0.26

High

0.77 ± 0.19

0.49

Medium

2020

Low

0.78 ± 0.24

0.19

Med

0.72 ± 0.26

High

0.81 ± 0.299

0.12

2021

Low

0.71 ± 0.17

0.87

Med

0.70 ± 0.25

High

0.75 ± 0.26

0.41

Large

2020

Low

0.86 ± 0.16

 < 0.0001

Med

0.71 ± 0.14

High

0.86 ± 0.17

 < 0.0001

2021

Low

0.76 ± 0.16

 < 0.0001

Med

0.61 ± 0.11

High

0.83 ± 0.17

 < 0.0001

  1. Values represent subdivisions of the large-scale disturbance class into periodic disturbance classes. The p-value indicates the result of the Wald test, with the medium class used as the reference standard.