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Table 1 Summary of the pairwise comparisons of the G-test, indicating significant differences (P < 0.05) between observed frequencies (f) and expected frequencies (fe) of the nine test species at each microsite

From: Species-specific interference exerted by the shrub Cistus clusii Dunal in a semi-arid Mediterranean gypsum plant community

  f (fe)Op f (fe)Cc G P f (fe)Op f (fe)Gs G P f (fe)Cc f (fe)Gs G P
Seedlings
 G. struthium 8 (11) 6 (3) 2.51 0.057 8 (14) 14 (8) 5.83 < 0.01 6 (7) 14 (13) 0.11 0.372
 H. squamatum 2 (21) 26 (7) 61.71 < 0.001 2 (29) 45 (18) 72.14 < 0.001 26 (24) 45 (47) 0.33 0.284
 H. syriacum 6 (10) 7 (3) 74.98 < 0.001 6 (25) 35 (16) 202.94 < 0.001 7 (14) 35 (28) 147.02 < 0.001
 T. vulgaris 43 (76) 56 (23) 49.27 < 0.001 43 (90) 103 (56) 62.88 < 0.001 56 (53) 103 (106) 0.23 0.314
 R. officinalis 18 (24) 14 (8) 6.25 < 0.01 18 (27) 25 (16) 7.02 < 0.01 14 (13) 25 (26) 0.11 0.371
 H. stoechas 6 (7) 3 (2) 0.43 0.255 6 (33) 48 (21) 60.63 < 0.001 3 (17) 48 (34) 22.79 < 0.001
 L. suffruticosum 21 (34) 23 (10) 16.79 < 0.001 21 (32) 30 (19) 8.90 < 0.01 23 (18) 30 (35) 2.28 0.065
 S. lagascae 5 (6) 3 (2) 0.77 0.190 5 (6) 5 (4) 0.58 0.223 3 (3) 5 (5) 0.06 0.404
 C. clusii 21 (50) 44 (15) 56.52 < 0.001 21 (46) 54 (29) 35.34 < 0.001 44 (33) 54 (65) 5.56 < 0.01
Adults
 G. struthium 0 (−) 0 (−) – – 0 (–) 0 (–) – – 0 (–) 0 (–) – –
 H. squamatum 5 (8) 5 (2) 3.26 < 0.05 5 (7) 6 (4) 1.21 0.135 5 (4) 6 (7) 0.69 0.204
 H. syriacum 3 (6) 5 (2) 5.46 < 0.05 3 (15) 21 (9) 25.28 < 0.001 5 (9) 21 (17) 2.58 0.054
 T. vulgaris 12 (12) 4 (4) 0.02 0.449 12 (38) 49 (23) 45.50 < 0.001 4 (18) 49 (35) 20.25 < 0.001
 R. officinalis 3 (3) 1 (1) 0.00 0.474 3 (2) 1 (2) 0.31 0.289 1 (1) 1 (1) 0.23 0.314
 H. stoechas 2 (2) 0 (0) 1.08 0.150 2 (6) 8 (4) 7.34 < 0.01 0 (3) 8 (5) 6.50 < 0.01
 L. suffruticosum 0 (−) 0 (−) – – 0 (2) 3 (1) 5.78 < 0.01 0 (1) 3 (2) 2.44 0.059
 S. lagascae 0 (−) 0 (−) – – 0 (6) 10 (4) 19.28 < 0.001 0 (3) 10 (7) 8.13 < 0.01
 C. clusii 7 (6) 1 (2) 0.63 0.214 7 (11) 11 (7) 3.87 < 0.05 1 (4) 11 (8) 4.25 < 0.05
  1. Op open patches, Cc under the canopy of C. clusii, Gs under the canopy of G. struthium
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BMC Ecology

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