Table 1 The effect of phylogeny on negative plant–soil feedbacks
Intercept 95% CIs Slope 95% CIs n
Life form
Grass 0.32 0.293 0.0006 0.001 124
Herb 0.35 0.422 0.00009 0.001 129
Shrub 0.22 0.572 0.00009 0.001 26
Tree 0.12 0.607 0.0004 0.001 50
Life cycle
Annual 0.299 0.451 0.0001 0.001 82
Biennial 1.296 1.374 0.0013 0.004 9
Perennial 0.224 0.461 0.0004 0.001 238
Provenance
Native 0.207 0.601 0.0005 0.002 296
Exotic 0.853 0.582 0.0017 0.002 33