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Lampiran 8. Analisis Vegetasi Tingkat Pohon di Kawasan Hutan Gunung Sibuatan Kabupaten Karo Sumatera Utara a.
Indeks Nilai Penting Jenis Tingkat Pohon Area I No Famili
Spesies Jumlah
K KR
F FR
LBD D
DR INP
1 Fagaceae
Quercus sp. 3
25.00 14.29
0.67 12.50
2.692 22.433
55.02 81.80
2 Fagaceae
Castanopsis tunggurut 3
25.00 14.29
0.67 12.50
0.284 2.371
5.81 32.60
3 Euphorbiaceae
Blumeodendron tokbrai 3
25.00 14.29
0.33 6.25
0.539 4.490
11.01 31.55
4 Guttiferae
Mesua lepitoda 2
16.67 9.52
0.67 12.50
0.203 1.694
4.16 26.18
5 Fagaceae
Castanopsis sp. 2
16.67 9.52
0.67 12.50
0.159 1.328
3.26 25.28
6 Moraceae
Arthocarpus hispidus 2
16.67 9.52
0.33 6.25
0.183 1.522
3.73 19.51
7 Myrtaceae
Eugenia ridleyi 1
8.33 4.76
0.33 6.25
0.287 2.392
5.87 16.88
8 Tiliaceae
Pentace floribunda 1
8.33 4.76
0.33 6.25
0.281 2.342
5.74 16.75
9 Moraceae
Ficus sp. 1
8.33 4.76
0.33 6.25
0.102 0.850
2.08 13.10
10 Ebenaceae
Diospyros areolata 1
8.33 4.76
0.33 6.25
0.066 0.550
1.35 12.36
11 Euphorbiaceae
Macaranga constricta 1
8.33 4.76
0.33 6.25
0.054 0.452
1.11 12.12
12 Annonaceae
Xylopia fusca 1
8.33 4.76
0.33 6.25
0.042 0.350
0.86 11.87
Total 21
175 100
5.33 100
4.893 40.774
100 300
b. Indeks Nilai Penting Jenis Tingkat Pohon Area II
No Famili Spesies
Jumlah K
KR F
FR LBD
D DR
INP
1 Guttiferae
Calophyllum soulatri 5
41.67 41.67
0.33 14.29
0.430 3.585
16.67 72.62
2 Fagaceae
Quercus sp. 1
8.33 8.33
0.33 14.29
0.815 6.792
31.58 54.20
3 Dipterocarpaceae
Dipterocarpus gracilis 1
8.33 8.33
0.33 14.29
0.624 5.200
24.18 46.80
4 Moraceae
Arthocarpus hispidus 2
16.67 16.67
0.33 14.29
0.213 1.778
8.27 39.22
Universitas Sumatera Utara
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No Famili Spesies
Jumlah K
KR F
FR LBD
D DR
INP
5 Fagaceae
Castanopsis tunggurut 1
8.33 8.33
0.33 14.29
0.318 2.650
12.32 34.94
6 Guttiferae
Mesua lepitoda 1
8.33 8.33
0.33 14.29
0.135 1.125
5.23 27.85
7 Myrtaceae
Eugenia ridleyi 1
8.33 8.33
0.33 14.29
0.045 0.375
1.74 24.36
Total 12
100 100
2.33 100
2.581 21.505
100 300
c. Indeks Nilai Penting Jenis Tingkat Pohon Area III
No Famili Spesies
Jumlah K
KR F
FR LBD
D DR INP
1 Fagaceae
Castanopsis sp. 4
33.33 19.05
0.67 13.33
0.495 4.124
15.04 47.42
2 Fagaceae
Castanopsis tunggurut 3
25.00 14.29
0.33 6.67
0.720 6.004
21.90 42.85
3 Crypteroniaceae Dactylocaludus stenostachys
2 16.67
9.52 0.67
13.33 0.408
3.400 12.40
35.26 4
Euphorbiaceae Blumeodendron tokbrai
1 8.33
4.76 0.33
6.67 0.775
6.458 23.56
34.98 5
Myrtaceae Eugenia ridleyi
3 25.00
14.29 0.33
6.67 0.214
1.780 6.49
27.45 6
Guttiferae Calophyllum soultari
1 8.33
4.76 0.33
6.67 0.204
1.700 6.20
17.63 7
Meliaceae Swetenia macrophylla
1 8.33
4.76 0.33
6.67 0.179
1.492 5.44
16.87 8
Fagaceae Lithocarpus sundaicus
1 8.33
4.76 0.33
6.67 0.084
0.700 2.55
13.98 9
Annonaceae Xylopia fusca
1 8.33
4.76 0.33
6.67 0.058
0.483 1.76
13.19 10 Theaceae
Schima wallichi 1
8.33 4.76
0.33 6.67
0.041 0.342
1.25 12.67
11 Theaceae Eurya tricocharpa
1 8.33
4.76 0.33
6.67 0.04
0.333 1.22
12.64 12 Olacaceae
Scorodocarpus sp. 1
8.33 4.76
0.33 6.67
0.038 0.317
1.16 12.58
13 Myrtaceae Cinnamomum zeylanicum
1 8.33
4.76 0.33
6.67 0.034
0.283 1.03
12.46
Total 21
175 100
5.00 100
3.290 27.417
100 300
Universitas Sumatera Utara
9 4
d. Indeks Nilai Penting Jenis Tingkat Pohon Area IV
