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应用Ｓｉｍｐｓｏｎ和Ｓｈａｎｎｏｎ多样性指数及其相应的均匀度，对阔叶红松林及其次生白桦林的高等植物物种多样性进行了对比研究．结果表明，对于木本植物，次生白桦林物种多样性高于阔叶红松林；而对于草本植物，情况正好相反．但在次生白桦林中，无论木本植物还是草本植物，占优势的物种都是一些常见种，而许多阔叶红松林中的珍稀或特有物种在次生白桦林中数量很少，有些甚至完全消失．对群落各种群多度分布的检验表明，２种森林类型中，无论木本植物还是草本植物，各种群的多度分布都遵从对数级数分布．
Using Simpson and Shannon diversity indices and their corresponding evenness, the author studied the species diversity of higher plants in broad-leaved Korean pine and secondary birch forests. The results showed that the species diversity of secondary birch forests was higher than that of broad-leaved Korean pine forests for woody plants, whereas the opposite was true for herbaceous plants. However, among the secondary birch forests, dominant species are common species, both woody and herbaceous, while rare or endemic species in many broad-leaved Korean pine forests are present in small numbers in secondary birch forests, some even Completely disappear. Tests on the distribution of species abundance in each community showed that in both forest types, the abundance distributions of all species follow the logarithmic series distribution regardless of woody plants or herbaceous plants.