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| protection forest region | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | overall | |||||||||
| rockfall SilvaProtect | main tree species | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
| n/a | spruce | 33.7 | 0.9 | 61.2 | 2.2 | 60.1 | 2.7 | 36.6 | 4.1 | 60.9 | 2.5 | 21.9 | 3.8 | 42.4 | 0.8 |
| fir | 17.9 | 0.8 | 18.4 | 1.6 | 14.4 | 1.7 | 2.0 | 1.0 | 2.5 | 0.7 | 3.4 | 2.0 | 15.7 | 0.6 | |
| pine | 3.8 | 0.3 | 1.1 | 0.4 | 0.7 | 0.2 | 8.1 | 2.0 | 10.8 | 1.6 | 3.7 | 1.8 | 3.7 | 0.2 | |
| larch | 1.0 | 0.1 | 0.8 | 0.3 | 0.5 | 0.2 | 34.5 | 3.7 | 15.1 | 1.6 | 19.4 | 3.1 | 3.2 | 0.2 | |
| stone pine | . | 0.0 | 0.1 | 0.0 | 0.2 | 0.1 | 3.7 | 1.1 | 4.3 | 0.9 | 0.2 | 0.1 | 0.4 | 0.1 | |
| other conifers | 0.8 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.2 | 0.1 | 0.0 | 0.0 | 0.5 | 0.1 | |
| beech | 26.2 | 0.8 | 11.5 | 1.5 | 12.9 | 1.4 | 1.9 | 1.2 | 2.4 | 0.7 | 6.6 | 1.9 | 19.8 | 0.6 | |
| maple | 3.4 | 0.2 | 2.5 | 0.4 | 2.8 | 0.4 | 1.2 | 0.5 | 0.2 | 0.1 | 1.5 | 1.0 | 2.9 | 0.1 | |
| ash | 5.4 | 0.4 | 2.0 | 0.5 | 5.4 | 1.2 | 1.8 | 0.8 | 1.0 | 0.4 | 4.1 | 1.3 | 4.4 | 0.3 | |
| oak | 4.8 | 0.4 | 0.5 | 0.2 | 0.7 | 0.3 | 1.6 | 0.6 | 0.6 | 0.4 | 2.6 | 1.1 | 3.3 | 0.3 | |
| chestnut | 0.0 | 0.0 | 0.0 | 0.0 | . | 0.0 | 1.2 | 0.8 | . | 0.0 | 18.7 | 4.3 | 0.5 | 0.1 | |
| other broadleaves | 3.1 | 0.3 | 1.8 | 0.6 | 2.2 | 0.6 | 7.3 | 1.8 | 2.0 | 0.5 | 17.9 | 2.9 | 3.1 | 0.2 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
| inside perimeter | spruce | 22.5 | 6.4 | 42.1 | 8.8 | 51.5 | 7.7 | 35.2 | 8.4 | 58.9 | 11.2 | 25.1 | 6.1 | 39.0 | 3.5 |
| fir | 3.4 | 1.6 | 11.8 | 4.7 | 6.6 | 3.4 | 9.7 | 5.8 | 9.7 | 6.4 | 4.9 | 4.4 | 7.5 | 1.9 | |
| pine | 8.1 | 4.5 | 1.3 | 0.9 | 3.1 | 2.0 | 6.5 | 3.4 | 18.9 | 8.6 | 4.8 | 4.2 | 6.0 | 1.6 | |
| larch | 1.4 | 1.3 | 1.1 | 1.1 | 5.4 | 3.8 | 33.7 | 8.4 | 2.6 | 1.6 | 11.3 | 4.0 | 9.3 | 2.0 | |
| stone pine | . | 0.0 | 0.3 | 0.3 | . | 0.0 | 3.8 | 2.2 | 5.9 | 4.1 | . | 0.0 | 1.2 | 0.5 | |
| other conifers | . | 0.0 | 0.4 | 0.4 | 0.1 | 0.1 | . | 0.0 | . | 0.0 | . | 0.0 | 0.1 | 0.1 | |
| beech | 52.6 | 10.2 | 32.1 | 7.8 | 22.0 | 6.2 | 3.3 | 1.2 | 4.0 | 2.6 | 8.6 | 2.8 | 20.0 | 2.8 | |
| maple | 4.8 | 2.1 | 2.6 | 1.0 | 3.0 | 0.9 | 0.5 | 0.4 | 0.0 | 0.0 | 1.4 | 0.6 | 2.1 | 0.4 | |
| ash | 2.8 | 2.0 | 4.4 | 2.6 | 5.6 | 2.3 | 0.9 | 0.5 | . | 0.0 | 3.4 | 2.0 | 3.3 | 0.9 | |
| oak | 1.7 | 1.5 | 0.1 | 0.1 | 0.5 | 0.5 | 0.7 | 0.6 | . | 0.0 | 2.2 | 1.1 | 0.9 | 0.3 | |
| chestnut | . | 0.0 | . | 0.0 | . | 0.0 | 1.6 | 1.0 | . | 0.0 | 20.6 | 5.7 | 4.7 | 1.4 | |
| other broadleaves | 2.7 | 1.7 | 3.9 | 2.5 | 2.2 | 1.2 | 4.1 | 2.6 | . | 0.0 | 17.5 | 4.0 | 5.9 | 1.1 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
| outside perimeter | spruce | 21.5 | 2.0 | 53.6 | 1.8 | 47.1 | 2.3 | 50.7 | 2.2 | 71.4 | 1.9 | 31.1 | 2.3 | 47.0 | 0.9 |
| fir | 22.2 | 1.9 | 23.3 | 1.5 | 18.5 | 1.5 | 4.3 | 0.9 | 3.9 | 0.8 | 5.0 | 0.9 | 14.1 | 0.6 | |
| pine | 3.0 | 0.7 | 0.5 | 0.2 | 1.5 | 0.5 | 6.2 | 1.0 | 3.0 | 0.6 | 0.6 | 0.3 | 2.1 | 0.2 | |
| larch | 0.4 | 0.3 | 0.3 | 0.1 | 1.2 | 0.4 | 28.0 | 2.0 | 13.3 | 1.4 | 14.8 | 1.4 | 8.3 | 0.4 | |
| stone pine | . | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 3.2 | 0.6 | 2.5 | 0.5 | . | 0.0 | 0.8 | 0.1 | |
| other conifers | 0.5 | 0.2 | 0.2 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.2 | 0.1 | 0.2 | 0.0 | |
| beech | 34.8 | 2.0 | 14.7 | 1.3 | 19.9 | 1.6 | 2.2 | 0.5 | 2.5 | 0.8 | 20.2 | 2.1 | 15.7 | 0.6 | |
| maple | 5.6 | 0.7 | 3.4 | 0.3 | 5.4 | 0.6 | 0.9 | 0.2 | 0.7 | 0.2 | 0.8 | 0.2 | 2.9 | 0.2 | |
| ash | 7.7 | 1.1 | 1.8 | 0.3 | 3.9 | 0.6 | 0.8 | 0.3 | 0.5 | 0.2 | 1.9 | 0.4 | 2.6 | 0.2 | |
| oak | 2.1 | 0.5 | 0.3 | 0.1 | 0.4 | 0.2 | 0.4 | 0.2 | 0.2 | 0.1 | 2.8 | 0.6 | 1.0 | 0.1 | |
| chestnut | . | 0.0 | . | 0.0 | . | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 12.4 | 1.3 | 2.0 | 0.2 | |
| other broadleaves | 2.0 | 0.3 | 1.9 | 0.3 | 2.0 | 0.3 | 3.3 | 0.5 | 1.7 | 0.4 | 10.3 | 0.9 | 3.4 | 0.2 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
| total | spruce | 32.0 | 0.9 | 56.6 | 1.4 | 52.8 | 1.7 | 46.9 | 1.9 | 67.0 | 1.5 | 29.3 | 2.0 | 44.2 | 0.6 |
| fir | 18.3 | 0.7 | 20.9 | 1.1 | 16.1 | 1.1 | 4.1 | 0.8 | 3.6 | 0.6 | 4.7 | 0.8 | 14.8 | 0.4 | |
| pine | 3.7 | 0.3 | 0.8 | 0.2 | 1.3 | 0.3 | 6.6 | 0.8 | 6.5 | 0.8 | 1.3 | 0.5 | 3.1 | 0.2 | |
| larch | 0.9 | 0.1 | 0.6 | 0.2 | 1.1 | 0.3 | 29.7 | 1.7 | 13.7 | 1.0 | 15.2 | 1.2 | 5.5 | 0.2 | |
| stone pine | . | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 3.3 | 0.5 | 3.3 | 0.5 | 0.0 | 0.0 | 0.6 | 0.1 | |
| other conifers | 0.8 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.1 | 0.4 | 0.1 | |
| beech | 27.6 | 0.7 | 13.7 | 1.0 | 17.1 | 1.1 | 2.2 | 0.5 | 2.5 | 0.5 | 17.4 | 1.7 | 18.1 | 0.4 | |
| maple | 3.7 | 0.2 | 3.0 | 0.2 | 4.2 | 0.4 | 0.9 | 0.2 | 0.5 | 0.1 | 1.0 | 0.2 | 2.9 | 0.1 | |
| ash | 5.7 | 0.3 | 2.0 | 0.3 | 4.6 | 0.6 | 1.0 | 0.3 | 0.7 | 0.2 | 2.3 | 0.4 | 3.7 | 0.2 | |
| oak | 4.4 | 0.3 | 0.4 | 0.1 | 0.5 | 0.1 | 0.7 | 0.2 | 0.4 | 0.2 | 2.7 | 0.5 | 2.3 | 0.2 | |
| chestnut | 0.0 | 0.0 | 0.0 | 0.0 | . | 0.0 | 0.4 | 0.2 | 0.0 | 0.0 | 13.9 | 1.3 | 1.2 | 0.1 | |
| other broadleaves | 2.9 | 0.2 | 1.9 | 0.3 | 2.1 | 0.3 | 4.1 | 0.6 | 1.8 | 0.3 | 11.9 | 0.9 | 3.3 | 0.1 | |
| total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
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