Table 5. Word frequency for each element (top 15 words).

No. Mountain Tree Species Administrative District Management area
word freq. word freq. word freq. word freq.
1 Jiri 23 Pinus densiflora Siebold & Zucc. 54 Gangwondo 14 National park 74
2 Deogyu 10 Quercus mongolica Fisch. ex Ledeb. 25 Gyeonggido 10 Provincial park 11
3 Gyebang 9 Quercus acuta Thunb. 7 Jeju 10 Island area 10
4 Gyeryoung 9 Quercus variabilis Blume 5 Seoul 8 Ecological park 8
5 Halla 7 Pinus koraiensis Siebold & Zucc. 5 Daegu 6 Border area 5
6 Seorak 7 Abies holophylla Maxim. 4 Gyeongsangbukdo 6 Genetic resources reserve 5
7 Worak 7 Castanea crenata Siebold & Zucc. 4 Busan 5 Rural area 4
8 Hwangmae 6 Pinus rigida Mill. 4 Daejeon 5 Ecological and scenery conservation area 4
9 Mudeung 5 Quercus acutissima Carruth. 4 Chungcheongnamdo 5 Wetland preservation area 4
10 Gwanak 4 Quercus serrata Thunb. ex Murray 3 Chungcheongbukdo 4 Green belt 3
11 Juwang 4 Carpinus laxiflora (Siebold & Zucc.) Blume 3 Jeollanamdo 4 Natural ecosystem conservation area 2
12 Baekun 4 Abies koreana Wilson 3 Ulsan 3 Risk region 2
13 Bukhan 4 Eurya japonica Thunb. 2 Jeollabukdo 3 Special protected area 2
14 Naeyeon 3 Liriodendron tulipifera L. 2 Sejong 1 Biodiversity hotspot 1
15 Daedun 3 Camellia japonica L. 2 Gyeongsangnamdo 1 Nature reserve area 1