Table 1. Comparison of the mean values of hydroperiod, water-quality parameters and forest structure between studied areas following restoration at the restored site.
Only statistically significant results are shown.
| Variable | Disturbed | Restored | Undisturbed | Test | df | p | Post hoc |
|---|---|---|---|---|---|---|---|
| Flooding frequency (times/month) | 2.71 | 9.00 | 14.42 | F = 12.47 | 2.00 | 0. 003 |
R-D = 0.038 U-D < 0.001 |
| Flooding duration (h) | 588.14 | 404.42 | 314.71 | F = 2.41 | 2.00 | 0.118 | – |
| Tidal range (m) | 0.09 | 0.09 | 0.05 | F = 2.25 | 2.00 | 0.133 | – |
| Salinity (PSU) | 34.93 | 34.12 | 33.28 | χ2 = 10.25 | 2.00 | 0. 005 | U-D = 0.004 |
| pH | 8.15 | 8.11 | 8.02 | F = 12.32 | 2.30 | 0. 001 | U-D < 0.001 U-R = 0.023 |
| Redox potential | 82.09 | 91.18 | 85.18 | χ2 = 3.42 | 2.00 | 0.180 | – |
| Temperature (°C) | 28.02 | 29.94 | 28.87 | χ2 = 11.81 | 2.00 | 0. 002 | R-D = 0.001 |
| Depth (cm) | 54.62 | 74.96 | 117.54 | F = 31.87 | 2.00 | <0. 001 | U-D < 0.001 U-R < 0.001 R-D = 0.043 |
| No. of tree species | 1.09 | 1.36 | 1.90 | χ2 = 12.16 | 2.00 | 0. 002 | U-D = 0.008 |
| Tree density (trees/ha) | 345 | 763 | 709 | χ2 = 6.45 | 2.00 | 0. 039 | R-D = 0.035 |
| Basal area (m2) | 1.29 | 4.31 | 7.02 | χ2 = 15.39 | 2.00 | <0. 001 | U-D < 0.001 |
Notes.
In the Test column, F is for ANOVA and χ2 is for Kruskal–Wallis rank sum test. In the Post hoc column, comparisons between pairs of sites (R = restored, D = degraded, U = undisturbed), were tested for significance using either HDS Tukey’s or Nemenyi’s tests. A dash means that the test was not carried out for that variable.