Fig. 11
From: Tree regeneration characteristics in limestone forests of the Cat Ba National Park, Vietnam
Boxplots of the true diversity and species richness ratio in four regeneration height classes (1 =  < 50 m; 2 = 50–100 cm, 3 = 100–200 cm, 4 ≥ 200 cm). Ratios were compared among height classes using Krukal-Wallis test with post-hoc Wilcoxon test. ***< 0.001; ** < 0.01; *< 0.05; ns not significant