Land Cover and Forest Type Classification by Values of Vegetation Indices and Forest Structure of Tropical Lowland Forests in Central Vietnam
Table 6
Dominance and abundance species of vertical structure in different forest types.
Types
Species
Mean H (m)
Dominance (m2/ha)
Abundance (N/ha)
Frequency (%)
IVI
UF
Dipterocarpus kerrii King (6 : 3)
27.98
0.51
2.00
10.00
5.19
Terminalia bellirica (Gaertn.) Roxb. (4 : 4)
26.70
0.29
1.33
13.33
2.97
Shorea roxburghii G. Don (39 : 21)
21.98
2.31
13.00
70.00
8.74
Dipterocarpus grandiflorus Blanco (34 : 17)
21.04
1.81
11.33
56.67
7.51
Others (1254 : 96)
28.15
418.00
275.60
LF
Ficus lacor Buch. Ham. (4 : 4)
24.50
0.33
1.33
13.33
3.97
Shorea roxburghii G. Don (8 : 6)
21.27
0.47
2.67
20.00
4.39
Castanopsis indica (Roxb. ex Lindl.) A.DC (11 : 6)
20.12
0.34
3.67
20.00
3.59
Terminalia myriocarpa Van Heurck and Müll. Arg (10 : 5)
19.42
0.26
3.33
16.67
3.19
Others (1364 : 107)
19.98
454.67
284.87
DF
Placolobium ellipticum N. D. Khoi and Yakovlev (1 : 1)
34.50
0.12
0.33
3.33
5.40
Alangium chinense (Lour.) Harms (3 : 2)
19.17
0.10
1.00
6.67
2.67
Litsea verticillata Hance (6 : 3)
18.07
0.11
2.00
10.00
2.42
Actinodaphne pilosa (7 : 5)
18.06
0.23
2.33
16.67
3.40
Others (1185 : 105)
15.02
395.00
286.10
Species presented in bracket, i.e, 6 : 3, indicate the number of individual stems (N) representing in the number of corresponding plots where the species are dominated and abundant with its occurrence frequency; IVI = importance value index of the species in the study area.
