Table 4. Importance value of major species according to the survey plot types of the elapsed year after forest road construction at herb 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
Eragrostis curvula (능수참새그령) 40.0 7.2 35.7 8.0 9.1
Lindera erythrocarpa (비목나무) 11.5 1.2 34.0 1.8 0.8 6.4 5.6
Smilax china L. (청미래덩굴) 9.9 7.6 3.1 5.6 3.2 19.3 2.0 5.1
Quercus variabilis (굴참나무) 6.8 1.2 2.3 3.9 0.6 13.7 15.1 1.8 4.5
Lolium perenne (호밀풀) 20.0 14.7 6.4 4.1
Viburnum erosum (덜꿩나무) 11.7 15.7 3.1 5.0 0.6 0.8 3.7
Toxicodendron trichocarpum (개옻나무) 8.2 3.5 3.9 5.6 2.6 4.0 6.0 0.9 3.5
Erechtites hieraciifolius (붉은서나물) 14.2 15.9 4.3 3.4
Dryopteris chinensis (가는잎족제비고사리) 1.1 1.2 0.8 3.7 24.2 3.1
Oplismenus undulatifolius (주름조개풀) 0.8 1.2 15.0 4.3 5.5 0.8 1.0 2.1 3.1
Conyza canadensis (망초) 0.8 20.0 0.6 6.4 2.1 3.0
Arundinella hirta var. ciliata (새) 1.0 24.1 2.5
Cyperus amuricus (방동사니) 0.8 20.0 4.3 2.5
Pinus densiflora (소나무) 1.4 1.2 0.8 3.0 7.2 2.1 1.6 1.0 3.9 2.2
Styrax obassia (쪽동백나무) 7.1 5.9 0.8 6.8 1.5 2.2
Indigofera kirilowii (땅비싸리) 1.1 4.7 1.8 8.0 6.4 2.2
Lindera obtusiloba (생강나무) 6.5 2.9 1.5 4.3 0.6 3.2 1.0 2.0
Styrax japonicus (때죽나무) 2.8 6.5 0.8 2.0 1.6 5.4 1.9
Carex humilis var. nana (가는잎그늘사초) 2.2 1.2 1.5 1.3 0.6 8.0 1.0 2.1 1.8
Rhododendron schlippenbachii (철쭉) 2.8 6.5 6.5 1.6
Others (96 species) 25.8 39.9 44.3 0.0 20.3 35.6 40.7 38.2 29.5 54.9 32.9
Total (37 species) 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0