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protection forest region | |||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | |||||||||
rockfall SilvaProtect | main tree species | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± |
n/a | spruce | 35.2 | 1.4 | 51.3 | 3.6 | 53.8 | 5.1 | 24.4 | 7.0 | 66.6 | 4.2 | 19.8 | 8.3 | 40.4 | 1.3 |
fir | 19.8 | 1.0 | 24.5 | 2.8 | 16.0 | 2.8 | 3.7 | 2.0 | 1.6 | 1.6 | 5.4 | 3.1 | 18.5 | 0.9 | |
pine | 1.2 | 0.3 | 0.2 | 0.3 | 0.0 | 0.7 | 5.7 | 3.3 | 4.4 | 2.0 | 1.9 | 1.3 | 1.3 | 0.3 | |
larch | 1.1 | 0.3 | 0.9 | 0.4 | -0.1 | 0.2 | 41.1 | 9.4 | 12.9 | 2.8 | 20.8 | 5.6 | 2.9 | 0.4 | |
stone pine | 0.0 | . | 0.0 | . | 0.1 | 0.1 | 4.2 | 1.7 | 3.1 | 1.2 | 0.3 | 0.2 | 0.3 | 0.1 | |
other conifers | 1.4 | 0.3 | 0.0 | 0.0 | 0.1 | 0.0 | 0.5 | 0.4 | -0.0 | 0.1 | 0.0 | . | 1.0 | 0.2 | |
beech | 25.0 | 1.1 | 13.5 | 2.2 | 13.9 | 2.5 | 4.0 | 2.7 | 4.3 | 1.4 | 7.6 | 2.6 | 20.4 | 0.9 | |
maple | 3.5 | 0.4 | 3.6 | 0.9 | 2.8 | 1.6 | 1.9 | 1.0 | 0.3 | 0.2 | 0.9 | 5.8 | 3.2 | 0.3 | |
ash | 6.3 | 0.6 | 3.0 | 0.8 | 8.4 | 2.2 | 1.6 | 2.1 | 1.6 | 1.0 | 12.6 | 4.9 | 5.7 | 0.5 | |
oak | 3.0 | 0.4 | 0.7 | 0.4 | 0.8 | 0.4 | 3.9 | 1.9 | 0.7 | 0.6 | 1.1 | 1.7 | 2.3 | 0.3 | |
chestnut | 0.0 | 0.0 | -0.0 | 0.0 | 0.0 | . | -0.9 | 1.4 | 0.0 | . | 6.6 | 7.2 | 0.1 | 0.1 | |
other broadleaves | 3.4 | 0.5 | 2.3 | 1.2 | 4.2 | 1.7 | 9.9 | 4.5 | 4.5 | 1.8 | 23.0 | 6.0 | 3.9 | 0.4 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
inside perimeter | spruce | 77.9 | 199.0 | -42.6 | 117.1 | 56.5 | 13.3 | 32.3 | 10.9 | 109.0 | 39.1 | 23.4 | 9.6 | 35.9 | 8.5 |
fir | -16.3 | 165.2 | 17.8 | 17.4 | 3.6 | 4.5 | 13.3 | 6.9 | 16.1 | 15.9 | 2.1 | 2.1 | 6.6 | 3.4 | |
pine | 31.0 | 97.1 | 2.7 | 3.5 | 4.1 | 3.2 | 9.7 | 7.4 | -5.6 | 25.9 | 5.2 | 5.1 | 5.3 | 2.7 | |
larch | -67.1 | 217.5 | 4.9 | 7.3 | 9.9 | 6.6 | 32.3 | 11.6 | -15.6 | 23.6 | 16.1 | 7.0 | 12.6 | 4.5 | |
stone pine | 0.0 | . | 0.8 | 1.1 | 0.0 | . | 3.0 | 2.3 | 1.4 | 3.8 | 0.0 | . | 0.7 | 0.5 | |
other conifers | 0.0 | . | 0.0 | . | -0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | -0.0 | 0.0 | |
beech | -10.1 | 215.6 | 118.2 | 94.6 | 13.7 | 12.6 | 5.1 | 2.1 | -5.3 | 11.7 | 6.8 | 7.9 | 18.5 | 7.9 | |
maple | -34.2 | 125.3 | 3.8 | 4.4 | 5.0 | 3.2 | 0.4 | 0.4 | 0.0 | . | 2.1 | 2.1 | 2.2 | 2.0 | |
ash | 81.9 | 213.9 | 5.7 | 7.6 | 4.5 | 2.2 | 1.7 | 1.9 | 0.0 | . | 4.3 | 8.0 | 5.2 | 2.9 | |
oak | 12.8 | 33.9 | -0.5 | 0.8 | -0.9 | 0.9 | 0.6 | 0.5 | 0.0 | . | -2.6 | 2.0 | -0.8 | 0.7 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | -1.6 | 1.4 | 0.0 | . | 3.0 | 9.0 | 0.6 | 2.8 | |
other broadleaves | 24.0 | 61.1 | -10.7 | 16.0 | 3.7 | 4.4 | 3.2 | 5.5 | 0.0 | . | 39.6 | 11.2 | 13.2 | 4.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
outside perimeter | spruce | 17.7 | 3.6 | 45.3 | 3.4 | 48.4 | 4.6 | 52.9 | 3.6 | 72.6 | 3.1 | 23.2 | 4.1 | 43.4 | 1.7 |
fir | 21.7 | 3.1 | 29.1 | 2.8 | 21.2 | 2.9 | 7.8 | 2.0 | 3.5 | 1.1 | 3.9 | 1.6 | 16.3 | 1.1 | |
pine | 0.9 | 0.6 | 0.1 | 0.2 | 1.2 | 0.9 | 2.5 | 2.1 | 2.9 | 1.1 | 0.1 | 0.2 | 1.1 | 0.4 | |
larch | 4.5 | 4.1 | 0.3 | 0.4 | 0.5 | 0.3 | 21.9 | 2.6 | 13.4 | 2.4 | 10.4 | 2.8 | 7.4 | 0.9 | |
stone pine | 0.0 | . | 0.1 | 0.1 | 0.0 | . | 2.9 | 0.9 | 2.3 | 0.7 | 0.0 | . | 0.8 | 0.2 | |
other conifers | 1.5 | 0.9 | 0.1 | 0.1 | 0.2 | 0.1 | 0.0 | . | 0.0 | 0.1 | 0.2 | 0.2 | 0.3 | 0.1 | |
beech | 34.5 | 3.6 | 15.3 | 2.2 | 15.7 | 2.9 | 3.7 | 0.9 | 1.3 | 0.7 | 35.6 | 5.8 | 17.6 | 1.4 | |
maple | 7.5 | 1.5 | 4.6 | 0.6 | 4.2 | 1.3 | 1.8 | 0.5 | 0.7 | 0.4 | 2.2 | 0.6 | 3.6 | 0.4 | |
ash | 8.2 | 2.0 | 2.4 | 0.6 | 7.7 | 1.6 | 1.6 | 0.7 | 1.0 | 0.3 | 4.0 | 1.2 | 3.9 | 0.5 | |
oak | 0.8 | 0.5 | 0.3 | 0.2 | 0.3 | 0.2 | 0.9 | 0.4 | -0.0 | 0.1 | 2.6 | 1.0 | 0.8 | 0.2 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.2 | 0.0 | 0.0 | 5.0 | 3.1 | 0.8 | 0.5 | |
other broadleaves | 2.7 | 0.8 | 2.4 | 0.9 | 0.7 | 1.2 | 3.8 | 1.1 | 2.2 | 0.8 | 12.9 | 2.7 | 4.0 | 0.6 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | spruce | 33.3 | 1.3 | 47.4 | 2.5 | 51.4 | 3.3 | 46.1 | 3.3 | 70.5 | 2.6 | 22.7 | 3.4 | 41.4 | 1.0 |
fir | 20.0 | 1.0 | 26.8 | 2.0 | 17.8 | 1.9 | 7.2 | 1.6 | 2.8 | 0.9 | 4.0 | 1.3 | 17.5 | 0.7 | |
pine | 1.2 | 0.3 | 0.2 | 0.2 | 0.8 | 0.6 | 3.5 | 1.7 | 3.5 | 1.1 | 0.7 | 0.4 | 1.3 | 0.2 | |
larch | 1.4 | 0.5 | 0.6 | 0.3 | 0.7 | 0.4 | 26.3 | 3.0 | 12.9 | 1.8 | 12.5 | 2.4 | 4.7 | 0.4 | |
stone pine | 0.0 | . | 0.1 | 0.1 | 0.1 | 0.0 | 3.1 | 0.8 | 2.6 | 0.7 | 0.0 | 0.0 | 0.5 | 0.1 | |
other conifers | 1.4 | 0.3 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.1 | -0.0 | 0.1 | 0.2 | 0.1 | 0.7 | 0.1 | |
beech | 26.0 | 1.1 | 15.3 | 1.6 | 14.8 | 1.9 | 3.8 | 0.9 | 2.5 | 0.7 | 29.0 | 4.8 | 19.4 | 0.7 | |
maple | 3.9 | 0.4 | 4.1 | 0.6 | 3.6 | 1.0 | 1.7 | 0.4 | 0.5 | 0.3 | 2.0 | 1.0 | 3.3 | 0.2 | |
ash | 6.6 | 0.6 | 2.7 | 0.5 | 7.9 | 1.3 | 1.6 | 0.7 | 1.2 | 0.5 | 5.4 | 1.4 | 5.1 | 0.3 | |
oak | 2.8 | 0.4 | 0.5 | 0.2 | 0.5 | 0.2 | 1.5 | 0.5 | 0.3 | 0.3 | 2.0 | 0.8 | 1.7 | 0.2 | |
chestnut | 0.0 | 0.0 | -0.0 | 0.0 | 0.0 | . | 0.0 | 0.3 | 0.0 | 0.0 | 5.1 | 2.7 | 0.4 | 0.2 | |
other broadleaves | 3.3 | 0.5 | 2.3 | 0.7 | 2.5 | 1.0 | 5.0 | 1.2 | 3.1 | 0.9 | 16.4 | 2.4 | 4.1 | 0.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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