Study

Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China

  • Published source details Su D., Yu D., Zhou L.I., Xie X., Liu Z. & Dai L. (2010) Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China. Journal of Forest Science, 56, 285-293.

Actions

This study is summarised as evidence for the following.

Action Category

Log/remove trees within forests: effects on mature trees

Action Link
Forest Conservation
  1. Log/remove trees within forests: effects on mature trees

    A site comparison study in 2008 in temperate mixed forest in China (Su et al. 2010) found that logging decreased tree size but increased tree density, species richness and diversity 37 years later. Overall, tree basal area (unlogged: 38 m2/ha; logged: 27 m2/ha) and average diameter at breast height (unlogged: 15 cm; logged: 8 cm) were higher in unlogged forest. In contrast, the number of trees/ha (unlogged: 994; logged: 1,921), tree species richness (unlogged: 15 species/0.04 ha; logged: 18 species/0.04 ha) and diversity (Shannon's index unlogged: 3.18; logged: 3.46) were higher in the logged forest. Data were collected in 2008 in four subplots (20 × 20 m) within each of 16 plots (40 × 40 m). Eight were in logged forest (timber harvest of 30% by volume in 1988) and eight in an unlogged primary forest site.

     

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