Recovery of Vegetation Structure and Species Diversity after Shifting Cultivation in Northwestern Vietnam, with Special Reference to Commercially Valuable Tree Species
Table 2
Commercial species presence in 32-year-old fallow stand and in old-growth forest.
Thirty-two-year-old fallow stand (FS)
Old-growth forest (OGF)
Commercial species
Proportion to all species (%)
Commercial species
Proportion to all species (%)
aPercent recovery in FS
Species number
12
37.5
34
45.9
35.3
Tree stratum (stems )
217
40.2
347
63.1
62.5
Sapling stratum (stems )
270
23.2
320
34.9
84.4
Seedling stratum (stems )
1,420
37.3
2,170
35.1
65.4
Total density (stems )
1,907
36.6
2,837
37.6
67.2
Basal area ( )
5.6
39.2
21.4
80.1
26.2
aPercent recovery is defined as the number of commercial species found in FS stand, divided by that in OGF forest.