Table 4.
Average competition–stress–ruderality (CSR) scores and biodiversity indices for experimental plots.
| Average values ± SD | Wilcoxon tests | |||
|---|---|---|---|---|
| 2006 | 2014 | W | p-value | |
| C | 43.5 ± 4.8 | 54.3 ± 4.1 | 2 | < 0.001 |
| S | 18.8 ± 5.1 | 23.0 ± 6.1 | 24 | 0.158 |
| R | 37.7 ± 3.4 | 22.9 ± 7.2 | 81 | < 0.001 |
| Project cover | 70.9 ± 13.4 | 65.0 ± 14.8 | 39 | 0.490 |
| Number of species | 17.8 ± 3.7 | 13.4 ± 5.3 | 48 | 0.101 |
| Shannon index (H) | 2.3 ± 0.7 | 1.9 ± 0.7 | 39.5 | 0.461 |
SD denotes standard deviation; C, S, and R are scores on the competitiveness, stress tolerance, and ruderality scales, respectively; Sample size n = 8.