Skip to main content

Table 3 The overall association among dominant tree populations in different development stages

From: Interspecific associations of dominant tree populations in a virgin old-growth oak forest in the Qinling Mountains, China

Development stages δ 2 i S 2 T Variance ratio (V) W statistic χ 2 (\(\chi_{0.95}^{2}\), N, \(\chi_{0.05}^{2}\), 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