| Ecology | Species diversity | Species, diversity, correlation, national park, section, structure | 348(26.4) |
| Management boundary | Management boundary, mountain, river, watershed, land | 30(2.3) |
| Green naturality | Green naturality, artificial forest, park | 19(1.4) |
| Dendrochronology | Annual ring, growth, climate, climate factor, ring | 81(6.2) |
| Status of damage | Vegetation, damage, Quercus mongolica | 16(1.2) |
| Ecological restoration | Ecology, program, restoration, index | 102(7.7) |
| Climate change | Climate, prediction, distribution | 31(2.4) |
| Protected area management | Protected area, natural resource survey, protection, flora | 62(4.7) |
| Vegetation restoration and management | Vegetation, management, restoration, structure, section | 134(10.2) |
| Environmental assessment | Mountain ridge, law, environment, construction | 82(6.2) |
| Flora | Vascular, rare, native, endangered | 118(9.0) |
| Insect | Insect, taxonomy | 15(1.1) |
| Total | 1038(78.8) |
| Humanity and Society | Historical geography | Sangyungpyo, Gaya, Baekje, Geography, location, space organization | 77(5.8) |
| Culture | Baekdusan, tiger, temple | 129(9.8) |
| Total | 206(15.6) |
| Recreation and Welfare | Forest trail | Forest trail, hiking trail, type, monitoring, marugeum | 73(5.5) |
| Total | 73(5.5) |