Evaluating diameter distribution series of small-leaved lime (Tilia cordata Mill.) in forest stands

Table 2 Correlation coefficients of distribution series

Indicator	S	d_min	d_max	C_v	A_s	E_x
Thin density (n = 52)
A	0.713	0.491	0.814	− 0.358	− 0.032	0.029
D	0.714	0.759	0.855	− 0.570	− 0.312	− 0.232
X	− 0.255	− 0.459	− 0.361	0.306	0.244	− 0.243
g	0.670	0.787	0.831	− 0.616	− 0.345	0.156
R_d	− 0.003	0.717	0.269	− 0.962	− 0.624	− 0.429
Medium density (n = 10)
A	− 0.256	− 0.457	− 0.352	− 0.211	− 0.288	0.782
D	− 0.664	− 0.844	− 0.511	0.078	− 0.675	0.408
X	− 0.418	0.079	− 0.787	− 0.760	− 0.013	0.027
g	0.547	0.446	0.969	0.583	0.133	0.040
R_d	0.394	0.765	0.520	− 0.981	0.075	− 0.141
Thick and very thick (n = 7)
A	0.710	0.864	0.826	− 0.877	− 0.050	0.018
D	0.882	0.980	0.913	− 0.855	0.001	− 0.093
X	− 0.410	− 0.417	− 0.489	0.015	− 0.440	− 0.247
g	0.870	0.980	0.909	− 0.866	0.011	− 0.085
R_d	0.394	0.765	0.520	− 0.981	0.075	− 0.141

A: forest plantation age, years; g: forest plantation density, trees/ha; R_d: rank of the average tree by diameter; the italic values of correlation coefficients are significant at p < 0.05

ISSN: 1746-4811