Table 2. Importance value of major species in each vegetation unit.

Vegetation unit Species Layer
Scientific name (Korea name) T ST S H
1 Torreya nucifera (비자나무) 39.5 9.9 4.5 2.3
Acer palmatum (단풍나무) - 18.9 5.7 -
Cornus macrophylla (곰의말채나무) 8.5 8.6 - 0.4
Orixa japonica (상산) - - 40.1 1.2
Machilus thunbergii (후박나무) 13.1 - - -
Idesia polycarpa (이나무) 12.7 - - -
Cinnamomum yabunikkei (생달나무) 7.8 6.3 1.6 1.3
Viburnum odoratissimum var. awabuki (아왜나무) - 12.4 - 4.5
Hedera rhombea (송악) - 10.1 - 1.2
Aphananthe aspera (푸조나무) 3.5 - - 0.4
Styrax japonicus (때죽나무) - 7.7 1.6 -
Celtis sinensis (팽나무) 5.0 - - -
Lemmaphyllum microphyllum (콩짜개덩굴) - 4.9 2.9 3.0
Trachelospermum asiaticum (마삭줄) - 3.8 - 9.8
Others (94 species) 9.9 17.4 43.6 75.9
Total (108) 100.0 100.0 100.0 100.0
2 Torreya nucifera (비자나무) 57.5 10.7 4.0 0.4
Acer palmatum (단풍나무) - 22.0 5.5 0.1
Machilus thunbergii (후박나무) 8.1 1.2 1.0 -
Celtis sinensis (팽나무) 6.9 3.5 - -
Zanthoxylum ailanthoides (머귀나무) 6.9 2.3 - -
Cornus macrophylla (곰의말채나무) 5.0 4.2 1.4 0.2
Orixa japonica (상산) - - 22.6 2.0
Viburnum odoratissimum var. awabuki (아왜나무) - 5.9 8.8 3.3
Aphananthe aspera (푸조나무) 3.4 4.2 3.0 0.5
Lindera erythrocarpa (비목나무) 1.5 7.3 1.0 0.4
Lemmaphyllum microphyllum (콩짜개덩굴) - 5.4 7.2 4.0
Cinnamomum yabunikkei (생달나무) 1.9 4.2 0.7 2.2
Ficus erecta (천선과나무) - 5.4 3.7 0.4
Meliosma pinnata var. oldhamii (합다리나무) 3.9 1.2 0.4 0.1
Hedera rhombea (송악) - 3.1 5.7 5.0
Litsea japonica (까마귀쪽나무) - - 9.2 1.4
Other (87 species) 4.9 19.4 25.8 80 .0
Total 103 100.0 100.0 100.0 100.0
3 Quercus glauca (종가시나무) 51.9 27.0 24.9 2.8
Machilus thunbergii (후박나무) 30.1 13.0 9.0 0.7
Piper kadsura (후추등) - 15.8 15.4 7.6
Litsea japonica (까마귀쪽나무) - 14.5 19.5 3.5
Celtis sinensis (팽나무) 11.2 - 1.3 0.4
Lemmaphyllum microphyllum (콩짜개덩굴) - 14.2 4.5 4.8
Camellia japonica (동백나무) - 9.4 - -
Trachelospermum asiaticum (마삭줄) - 3.6 - 7.8
Aphananthe aspera (푸조나무) 3.4 - - 1.5
Pinus thunbergii (곰솔) 3.4 - - -
Kadsura japonica (남오미자) - - 4.5 6.6
Mercurialis leiocarpa (산쪽풀) - - - 15.0
Parthenocissus tricuspidata (담쟁이덩굴) - 2.5 - 1.3
Hedera rhombea (송악) - - 2.2 4.0
Ficus erecta (천선과나무) - - 3.6 -
Ardisia pusilla (산호수) - - - 5.5
Xylosma japonica (산유자나무) - - 2.7 -
Dryopteris hikonensis (큰족제비고사리) - - - 5.1
Melia azedarach (멀구슬나무) - - 2.2 0.4
Callicarpa japonica (작살나무) - - 2.2 -
Others(39 species) - - 8.0 33.0
Total 59 100.0 100.0 100.0 100.0
4 Quercus glauca (종가시나무) 44.8 33.6 19.1 3.5
Machilus thunbergii (후박나무) 30.5 14.4 9.8 2.0
Pinus thunbergii (곰솔) 24.7 - - -
Lemmaphyllum microphyllum (콩짜개덩굴) - 19.7 5.9 4.9
Litsea japonica (까마귀쪽나무) - 5.3 16.8 2.7
Daphniphyllum macropodum (굴거리나무) - 9.2 - -
Hedera rhombea (송악) - 5.3 2.0 7.4
Parthenocissus tricuspidata (담쟁이덩굴) - 5.3 2.0 2.5
Piper kadsura (후추등) - - 6.0 14.8
Camellia japonica (동백나무) - 3.6 3.2 0.6
Lepisorus ussuriensis (산일엽초) - 3.6 1.2 -
Trachelospermum asiaticum (마삭줄) - - 3.2 9.7
Kadsura japonica (남오미자) - - 4.3 5.4
Aphananthe aspera (푸조나무) - - 6.3 0.6
Ficus erecta f. sieboldii (좁은잎천선과) - - 3.2 -
Dryopteris hikonensis (큰족제비고사리) - - - 5.8
Ligustrum obtusifolium (쥐똥나무) - - 2.0 1.3
Celtis biondii (폭나무) - - 2.3 0.6
Pilea taquetii (제주큰물통이) - - - 5.0
Cinnamomum yabunikkei (생달나무) - - 2.0 -
Others (32 species) - - 10.7 33.2
Total 52 100.0 100.0 100.0 100.0