Variable*	pH–H2O	pH–KCl	C%	N%	C/N%	Na	Al3	H+	C/Cref
PFT richness	-0.448	-0.459	0.586	0.592	0.497	0.568	0.465	0.503	0.542
	0.028	0.024	0.003	0.002	0.013	0.004	0.022	0.012	0.006
Species richness	-0.424	-0.427	0.529	0.585	0.435	0.503	0.458	0.441	0.478
	0.039	0.037	0.008	0.003	0.033	0.012	0.024	0.031	0.018
Mean Height	-0.358	-0.331	0.559	0.530	0.477	0.457	0.379	0.480	0.521
	0.086	0.114	0.005	0.008	0.019	0.025	0.068	0.018	0.009
Basal Area	-0.331	-0.260	0.482	0.572	0.383	0.375	0.400	0.402	0.427
	0.114	0.219	0.017	0.003	0.064	0.071	0.053	0.052	0.037
V-Index	-0.433	-0.432	0.550	0.622	0.448	0.495	0.486	0.457	0.496
	0.034	0.035	0.005	0.001	0.028	0.014	0.016	0.025	0.014
Tree wt1	-0.588	-0.586	0.777	0.566	0.722	0.700	0.570	0.755	0.767
	0.002	0.003	0.000	0.004	0.000	0.000	0.004	0.000	0.000
Tree wt2	-0.576	-0.568	0.753	0.557	0.697	0.668	0.558	0.73	0.743
	0.003	0.004	0.000	0.005	0.000	0.000	0.005	0.000	0.000
LUT age	-0.421	-0.410	0.613	0.566	0.528	0.569	0.390	0.546	0.584
	0.041	0.046	0.001	0.004	0.008	0.004	0.060	0.006	0.003

* First line = linear “r” value; second line = P value; Tree wt¹ and Tree wt² = tree biomass based on the allometric equations of Ketterings et al. (2001) and Brown (1997), respectively; only variables with P <0.020 listed. Complete correlation matrix available on request. Soil data from top 0–5 cm.