Type of trees and shrubs ≥12 cm in diameter at breast height (dbh) with the ten most common species or species groups in Switzerland ('main tree species') categorised, and the classes 'other conifers' and 'other broadleaves' for the remaining species. The main tree species are: spruce (Picea spp.), fir (Abies spp.), pine (Pinus sylvestris, P. nigra, P. strobus, P. mugo subsp. uncinata), larch (Larix spp.), Arolla pine (Pinus cembra), beech (Fagus sylvatica), maple (Acer spp.), ash (Fraxinus spp.), oak (Quercus spp.) and chestnut (Castanea sativa). Reference: Field Survey (MID 50: Baumart)
| Code | Text | NFI1 | NFI2 | NFI3 | NFI4 | NFI4b | NFI5 |
|---|---|---|---|---|---|---|---|
| -1 | n/a | x | x | x | x | x | x |
| 1 | spruce | x | x | x | x | x | x |
| 2 | fir | x | x | x | x | x | x |
| 3 | pine | x | x | x | x | x | x |
| 4 | larch | x | x | x | x | x | x |
| 5 | Arolla pine | x | x | x | x | x | x |
| 6 | other conifers | x | x | x | x | x | x |
| 7 | beech | x | x | x | x | x | x |
| 8 | maple | x | x | x | x | x | x |
| 9 | ash | x | x | x | x | x | x |
| 10 | oak | x | x | x | x | x | x |
| 11 | sweet chestnut | x | x | x | x | x | x |
| 12 | other broadleaves | x | x | x | x | x | x |
| 99 | indeterminable | x | x | x | x | x | x |
last calculated: 24.09.2025 20:27:13