Teak (Tectona grandis Linn. f) and Edaphic Factors Affecting the Regeneration of Woody Species and Their Functional Traits in Economic Forest Plantation, Northern Thailand
Table 6
The five dominant species in teak plantation and old-growth forest plots in Khun Mae Khum Mee plantation.
Forest type/ranking
Species
Stem density
Basal area
IVI
Teak plantation 10-year-old
1
Tectona grandis
477.50
6.77
109.91
2
Pterocarpus macrocarpus
57.50
2.8
35.23
3
Xylia xylocarpa
27.5
0.59
12.04
4
Aporosa nigricans
42.5
0.23
9.76
5
Dalbergia cultrata
30
0.1
9.44
Teak plantation 20-year-old
1
Tectona grandis
362.50
7.23
123.08
2
Xylia xylocarpa
50
3.69
44.6
3
Albizia odoratissima
25
1.83
24.07
4
Dalbergia nigrescens
10
1.96
18.44
5
Dalbergia cultrata
32.50
0.20
12.49
Teak plantation 30-year-old
1
Tectona grandis
175
4.81
56.30
2
Pterocarpus macrocarpus
157.50
4.93
54.14
3
Dalbergia cultrata
175
2.89
45.20
4
Xylia xylocarpa
40
0.45
12.35
5
Terminalia mucronata
27.50
0.31
8.36
Teak plantation 40-year-old
1
Tectona grandis
202.50
10.85
91.91
2
Pterocarpus macrocarpus
217.50
7.62
66.82
3
Schleichera oleosa
47.50
0.36
18.71
4
Albizia odoratissima
22.50
1.41
18.21
5
Vitex canescens
35
0.33
16.72
Old-growth forest
1
Pterocarpus macrocarpus
152.50
7.03
64.10
2
Xylia xylocarpa
95
4.93
46.21
3
Albizia odoratissima
55
2.72
27.33
4
Croton persimilis
110
1.26
26.54
5
Tectona grandis(resprouting)
67.50
0.73
20.04
Species are ranked based on the importance value index (IVI); basal area (m2 haā1) and stem density (stems haā1) are also shown. Asterisks () indicate planted species.
