Table 3.

The overall association among dominant tree populations in different development stages

Development stages	δ 2i	S 2T	Variance ratio (V)	W statistic	χ 2 (${\mathit{\chi }}_{0.95}^2$, N, ${\mathit{\chi }}_{0.05}^2$, N)	Overall association
Juvenile	1.785	1.320	0.740	36.979	(34.765,67.505) N = 50	No significant negative
Medium	1.918	1.560	0.813	40.678		No significant negative
Large	1.003	0.680	0.678	31.857		Significantly negative
All	2.130	1.434	0.673	33.659		Significantly negative