Table 3. Importance value of major species according to the survey plot types of the elapsed year after forest road construction at shrub layer

Scientific name (Korean name) The elapsed year after forest road construction
S 1yr 2yr 25yr Total
E C R E C R E C R
Toxicodendron trichocarpum (개옻나무) 21.0 15.7 13.1 18.5 14.9 11.9
Styrax japonicus (때죽나무) 16.8 14.4 12.5 10.4 8.2 8.9
Viburnum erosum (덜꿩나무) 5.7 7.3 24.5 12.8 8.9 8.5
Lindera erythrocarpa (비목나무) 2.4 3.7 25.0 24.0 7.9
Styrax obassia (쪽동백나무) 5.0 2.2 12.5 2.9 29.1 7.4
Quercus serrata (졸참나무) 6.3 13.0 12.8 15.5 6.8
Rhododendron mucronulatum (진달래) 8.9 7.9 4.6 6.5 12.5 5.8
Callicarpa japonica (작살나무) 2.9 29.1 4.6
Zanthoxylum schinifolium (산초나무) 12.5 2.2 6.5 8.9 4.3
Lespedeza bicolor (싸리) 29.1 4.2
Rhododendron schlippenbachii (철쭉) 7.8 19.8 3.9
Quercus variabilis (굴참나무) 1.8 2.2 10.5 8.9 3.3
Castanea crenata (밤나무) 1.3 1.4 12.5 2.4 2.5
Platycarya strobilacea (굴피나무) 12.5 2.4 2.1
Lindera obtusiloba (생강나무) 4.0 2.9 8.0 2.1
Rhus chinensis (붉나무) 1.7 12.5 2.0
Prunus spp. (벚나무류) 3.0 1.4 2.9 5.9 1.9
Magnolia kobus (목련) 0.6 12.5 1.9
Prunus sargentii (산벚나무) 2.4 2.4 5.9 1.5
Lindera glauca (감태나무) 1.3 1.4 2.9 3.9 1.4
Others (17 species) 11.8 6.5 0.0 9.5 0.0 16.1 6.0 7.1
Total (37 species) 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0