Table 1 Stand characteristics of four forest types in the Changbai Mountain region of Northeast China
From: The effects of forest type on soil microbial activity in Changbai Mountain, Northeast China
Stand characteristics | Forest typesa | |||
|---|---|---|---|---|
Old-growth forest | Birch forest | Mixed broadleaf/larch forest | Spruce plantation | |
Canopy coverage (%) | 90 | 80 | 80 | 85 |
Mean tree age (year) | >150 | 42 | 42 | 42 |
Stand density (stem ha−1) | 928 | 2556 | 1496 | 1105 |
Mean diameter at breast height (cm) | 15.8 | 8.66 | 8.68 | 7.52 |
Basal area (m2 ha−1) | 18.3 | 15.1 | 8.52 | 4.91 |
Vegetation biomass (t ha−1) | 305 | 147 | 191 | 172 |
Litter layer biomass (t ha−1) | 37.2 | 20.6 | 116.0 | 136.4 |