Table 1.

Phylogenetic signal in masting metrics across vascular plants. (Pagel's λ and Blomberg's K statistic tested for phylogenetic signal in species-level means of the coefficient of variation in population-level reproduction (CV_p) and global spatial synchrony (S_r). λ tests for phylogenetic correlation between species based on their shared evolutionary history. Corresponding p-values were calculated from comparing generalized least squares models with and without a Brownian correlation structure scaled by an estimated λ. p-values for the K statistic test for phylogenetic clustering and overdispersion were derived using a randomization test. Italicized p-values are considered statistically significant if less than 0.05 for λ and less than 0.025 for K. n is the number of species.)

			Blomberg's K statistic
	Pagel's λ			p-value
masting metric	λ	p-value	K	clustering	overdispersion	n
mean CVp	0.35	0.01	0.01	0.98	0.02	307
mean Sr	0.00	0.84	0.03	0.35	0.66	105