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. 2021 Mar 1;11:4888. doi: 10.1038/s41598-021-84226-5

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.