Table 1.

Pearson correlation coefficients (R) and their statistical significance between d_N/d_S for different substitution categories and different proxies for N_e. Significant correlations are highlighted in italics

Life history trait	Total		GC-conservative		S-to-W		W-to-S
	R	p value	R	p value	R	p value	R	p value
Body mass	0.08	6.09 × 10−1	0.57	3.15 × 10 −5	−0.33	2.25 × 10 −2	0.33	2.28 × 10 −2
Longevity	0.08	6.25 × 10−1	0.32	4.63 × 10 −2	−0.22	1.64 × 10−1	0.27	9.51 × 10−2
Age of sexual maturity	0.08	5.85 × 10−1	0.45	1.97 × 10 −3	−0.19	1.99 × 10−1	0.28	6.41 × 10−2

S-to-W: strong to weak, W-to-S: weak to strong