Table 2. Sequential changes of importance percentage according to the layers.

Layer Species IV(yr) Mean
2015 2017 2019 2021 2023
Tree Abies koreana (구상나무) 39.3 39.5 37.5 37.6 35.7 37.9
Quercus mongolica (신갈나무) 12.3 12.5 13.0 13.0 13.4 12.8
Picea jezoensis (가문비나무) 10.8 9.9 10.0 9.6 9.0 9.9
Pinus koraiensis (잣나무) 10.0 10.2 8.9 8.9 8.8 9.3
Betula ermanii (사스래나무) 8.0 8.1 7.7 7.6 7.5 7.8
Sorbus commixta (마가목) 3.8 3.8 4.4 4.4 4.4 4.2
Alnus incana subsp. hirsuta (물오리나무) 3.2 3.2 3.0 3.0 2.9 3.0
Tripterygium regelii (미역줄나무) - - - 0.5 2.5 0.6
Tilia amurensis (피나무) 2.1 2.2 2.3 2.3 2.3 2.2
Stewartia koreana (노각나무) 1.5 1.5 1.6 1.6 1.6 1.6
Others(12) 9.0 9.1 11.6 11.5 11.9 10.6
Total 100.0 100.0 100.0 100.0 100.0 100.0
Subtree Acer pseudosieboldianum (당단풍나무) 15.9 16.0 17.4 17.5 16.6 16.7
Abies koreana (구상나무) 15.7 15.1 14.0 12.8 11.6 13.9
Acer komarovii (시닥나무) 9.3 9.4 8.7 9.5 10.5 9.5
Betula ermanii (사스래나무) 10.2 10.3 10.6 9.8 9.0 10.0
Fraxinus sieboldiana (쇠물푸레나무) 11.1 11.0 9.6 9.3 8.7 9.9
Tripterygium regelii (미역줄나무) 0.3 1.0 2.5 3.7 6.7 2.8
Sorbus commixta (마가목) 5.1 5.1 5.2 5.8 5.4 5.3
Quercus mongolica (신갈나무) 4.6 4.7 5.4 5.5 5.1 5.1
Tilia amurensis (피나무) 5.1 5.1 5.1 4.9 4.9 5.0
Pinus koraiensis (잣나무) 5.2 4.9 3.3 3.5 3.9 4.2
Acer ukurunduense (부게꽃나무) 1.1 1.1 2.3 2.2 2.4 1.8
Picea jezoensis (가문비나무) 1.8 1.8 1.9 1.8 1.8 1.8
Malus baccata (야광나무) 0.4 0.4 1.6 2.0 1.8 1.3
Others (22) 14.0 14.1 12.4 11.7 11.6 12.8
Total 100.0 100.0 100.0 100.0 100.0 100.0
Shrub Rhododendron schlippenbachii (철쭉) 23.6 26.5 25.6 24.3 23.0 24.6
Tripterygium regelii (미역줄나무) 9.3 11.3 12.5 11.5 11.6 11.2
Rhododendron mucronulatum var. ciliatum (털진달래) 7.3 9.6 10.0 9.5 8.4 9.0
Abies koreana (구상나무) 8.7 6.5 5.8 6.8 6.8 6.9
Acer komarovii (시닥나무) 4.7 6.3 6.1 6.0 6.5 5.9
Acer pseudosieboldianum (당단풍나무) 4.6 5.6 3.7 4.0 4.1 4.4
Fraxinus sieboldiana (쇠물푸레나무) 4.0 4.3 3.5 3.2 3.9 3.8
Magnolia sieboldii (함박꽃나무) 3.0 3.8 3.6 3.6 3.7 3.5
Symplocos sawafutagi (노린재나무) 3.4 2.0 2.9 3.3 3.3 3.0
Pinus koraiensis (잣나무) 2.2 1.9 2.6 2.9 2.8 2.5
Euonymus macropterus (나래회나무) 2.2 2.9 2.0 1.8 2.0 2.2
Sorbus commixta (마가목) 1.3 1.6 2.0 2.2 2.0 1.8
Picea jezoensis (가문비나무) 0.9 1.4 1.0 0.9 1.2 1.1
Acer ukurunduense (부게꽃나무) - 0.6 1.0 1.6 1.6 1.0
Others (58) 24.8 15.6 17.6 18.5 19.0 19.1
Total 100.0 100.0 100.0 100.0 100.0 100.0
Herb Calamagrostis arundinacea (실새풀) 16.1 17.8 19.3 17.5 14.7 17.1
Dryopteris expansa (퍼진고사리) 0.9 3.5 4.9 4.6 5.0 3.8
Tripterygium regelii (미역줄나무) 5.4 3.3 3.9 3.7 4.5 4.2
Ainsliaea acerifolia (단풍취) 3.9 2.8 4.0 3.8 3.9 3.7
Sasa borealis (조릿대) 11.4 11.9 4.5 4.1 3.8 7.1
Solidago virgaurea subsp. asiatica (미역취) 2.1 3.7 3.0 3.3 3.1 3.1
Acer komarovii (시닥나무) 2.1 2.3 2.3 2.7 2.6 2.4
Carex humilis var. nana (가는잎그늘사초) 1.7 2.5 2.1 2.1 2.4 2.2
Abies koreana (구상나무) 3.0 2.3 2.7 2.6 2.4 2.6
Athyrium niponicum (개고사리) 1.5 2.3 2.4 2.3 2.0 2.1
Carex siderosticta (대사초) 2.6 3.0 2.4 2.1 2.0 2.4
Dryopteris maximowiczii (진저리고사리) 0.3 - 0.9 1.8 1.8 0.9
Rhododendron schlippenbachii (철쭉) 1.7 1.4 1.8 1.7 1.6 1.6
Astilbe chinensis (노루오줌) 1.6 1.1 1.9 1.7 1.5 1.6
Others (254) 45.7 42.1 43.9 46 48.7 45.3
Total 100.0 100.0 100.0 100.0 100.0 100.0