Research Article

Effect of Disturbance Regimes on Spatial Patterns of Tree Species in Three Sites in a Tropical Evergreen Forest in Vietnam

Table 2

The five most abundant tree species of each forest site in Xuan Nha Nature Reserve, Vietnam.

SpeciesTree density [/ha]Basal area [m2/ha]Mean DBH [cm]Maximum DBH [cm]Median NN [m]

Undisturbed forest
 S. cuminii1032.1715.528.212.33
 L. ducampii784.9122.4119.514.95
 N. melliferum531.7517.760.311.94
 C. parthenoxylon502.7323.161.813.68
 E. roxburghiana462.6121.270.112.98
Lightly disturbed forest
 L. ducampii962.8015.455.410.99
 S. cuminii601.1714.928.29.70
 C. parthenoxylon501.4617.841.411.58
 E. roxburghiana441.2816.942.713.29
 N. melliferum421.2717.541.712.00
Heavily disturbed forest
 E. roxburghiana611.8017.357.05.66
 L. ducampii501.6017.642.012.70
 S. cuminii490.8914.242.011.34
 N. melliferum471.2617.028.011.76
 C. parthenoxylon421.3218.932.012.45