moderately significantP = 0.060
For mature plants, PC M 1 was not related to the regeneration niche ( Z = 0.51, P = 0.61), but PC M 2 and PC M 3 had significant ( Z = 1.99, P = 0.047) and moderately significant ( Z = 1.88, P = 0.060) positive relationships with facilitation-dependence (Fig. 1 b).