This study aimed to understand the changes of soil biotope and soil microbial functional diversity in the Lesser Khingan Mountain primitive Korean pine forest and subsequent succession by secondary forest.We selected soils of a typical primitive broad-leaved Korean pine forest and two main secondary forests( Betula platyphylla forest at the pioneer stage and a hardwood forest at the subclimax stage during degradation and succession of the forest vegetation) in Lesser Khingan Mountain as materials.We analyze...