| Mountain | Species | Analyzed area | Investigated year | Remark | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | ||||
| Taebaeksan | AN | Total | – | 3.31 | – | 3.13 | – | 2.70 | |
| Deogyusan | AK | Total | – | 3.58 | – | 3.62 | – | 3.63 | |
| Jirisan | AK | Seseok | 2.09 | – | 2.68 | – | 3.04 | – | |
| Chunwangbong Peak | 2.84 | – | 2.78 | – | 2.61 | – | |||
| PJ | Chunwangbong Peak | 3.25 | – | 3.37 | – | 3.28 | – | ||