Land Cover and Forest Type Classification by Values of Vegetation Indices and Forest Structure of Tropical Lowland Forests in Central Vietnam
Table 5
Dominance and abundance species of horizontal structure in different forest types.
Types
Species
Mean H (m)
Dominance (m2/ha)
Abundance (N/ha)
Frequency (%)
IVI
UF
Lithocarpus ducampii (Hickel and A. Camus) (59 : 20)
16.97
1.51
19.67
66.67
7.58
Aphanamixis grandiflora (50 : 19)
15.67
0.98
16.67
63.33
6.70
Terminalia myriocarpa Van Heurck and Müll. Arg (41 : 19)
20.23
1.58
13.67
63.33
7.49
Shorea roxburghii G. Don (39 : 21)
21.98
2.31
13.00
70.00
8.74
Others (1148 : 96)
26.69
382.67
269.49
LF
Lithocarpus ducampii (Hickel and A. Camus) (54 : 16)
16.44
1.06
18.00
53.33
6.51
Scaphium macropodum (Miq) Beumee ex K. Heyne (41 : 21)
14.03
0.39
13.67
70.00
6.07
Magnolia mediocris (Dandy) Figlar (41 : 18)
14.14
0.63
13.67
60.00
5.91
Bursera tonkinensis Guillaum (40 : 19)
18.53
1.61
13.33
63.33
7.95
Others (1221 : 107)
17.70
407.00
273.56
DF
Garcinia oliveri Pierre (66 : 25)
12.49
0.49
22.00
83.33
8.01
Knema furfuracea (Hook. f. and Thomson) Warb (48 : 21)
14.76
0.54
16.00
70.00
7.12
Enicosanthellum petelotii (Merr.) Ban (46 : 17)
12.25
0.30
15.33
56.67
5.64
Syzygium lanceolatum (Lam.) Wight and Arn (45 : 22)
13.00
0.42
15.00
73.33
7.12
Others (997 : 105)
13.84
332.33
272.12
Species presented in bracket, i.e, 59 : 20 indicate the number of individual stems (N) representing 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.