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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 | 33.3 | 1.0 | 24.7 | 1.6 | 26.5 | 2.1 | 7.7 | 1.4 | 27.5 | 2.5 | 2.2 | 0.8 | 26.6 | 0.7 |
fir | 15.9 | 0.7 | 9.8 | 1.0 | 6.2 | 0.9 | 0.0 | 0.3 | 0.9 | 0.5 | 0.5 | 0.4 | 10.5 | 0.4 | |
pine | 2.0 | 0.2 | 0.4 | 0.2 | 0.0 | 0.1 | 1.4 | 0.5 | 4.0 | 0.7 | 0.3 | 0.3 | 1.4 | 0.1 | |
larch | 0.7 | 0.1 | 0.2 | 0.2 | 0.3 | 0.1 | 5.7 | 1.3 | 4.3 | 1.0 | 1.4 | 0.4 | 1.1 | 0.1 | |
stone pine | 0.0 | . | 0.0 | . | 0.0 | 0.0 | 0.3 | 0.1 | 1.3 | 0.5 | 0.1 | 0.1 | 0.1 | 0.0 | |
other conifers | 0.8 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | . | 0.4 | 0.1 | |
beech | 21.8 | 0.8 | 6.1 | 1.0 | 6.4 | 1.0 | 0.4 | 0.3 | 1.6 | 0.5 | 1.1 | 0.4 | 12.8 | 0.5 | |
maple | 2.3 | 0.2 | 1.1 | 0.2 | 1.4 | 0.5 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 1.5 | 0.1 | |
ash | 4.8 | 0.4 | 1.1 | 0.4 | 2.2 | 0.5 | 0.5 | 0.3 | 0.3 | 0.2 | 0.8 | 0.4 | 2.9 | 0.2 | |
oak | 3.0 | 0.3 | 0.2 | 0.1 | 0.1 | 0.1 | 0.6 | 0.4 | 0.2 | 0.2 | 0.5 | 0.2 | 1.6 | 0.2 | |
chestnut | 0.0 | 0.0 | 0.0 | . | 0.0 | . | 0.1 | 0.1 | 0.0 | 0.0 | 3.4 | 1.0 | 0.3 | 0.1 | |
other broadleaves | 3.4 | 0.3 | 1.2 | 0.3 | 1.0 | 0.3 | 1.7 | 0.8 | 1.9 | 0.5 | 3.3 | 0.7 | 2.5 | 0.2 | |
total | 87.9 | 0.8 | 44.9 | 2.2 | 44.1 | 2.7 | 18.6 | 2.4 | 42.4 | 3.0 | 13.9 | 1.9 | 61.7 | 0.8 | |
inside perimeter | spruce | 0.2 | 0.1 | 0.6 | 0.2 | 2.5 | 0.8 | 2.6 | 0.9 | 1.4 | 0.5 | 0.7 | 0.4 | 0.8 | 0.1 |
fir | 0.0 | 0.0 | 0.1 | 0.0 | 0.2 | 0.1 | 0.6 | 0.5 | 0.2 | 0.1 | 0.4 | 0.4 | 0.1 | 0.0 | |
pine | 0.0 | 0.0 | -0.0 | 0.0 | 0.1 | 0.1 | 0.3 | 0.2 | 0.7 | 0.3 | 0.2 | 0.2 | 0.1 | 0.0 | |
larch | 0.0 | 0.0 | 0.1 | 0.1 | 0.2 | 0.2 | 2.1 | 0.7 | 0.1 | 0.1 | 0.4 | 0.2 | 0.2 | 0.1 | |
stone pine | 0.0 | . | 0.0 | 0.0 | 0.0 | . | -0.0 | 0.1 | 0.1 | 0.1 | 0.0 | . | 0.0 | 0.0 | |
other conifers | 0.0 | . | 0.0 | . | 0.0 | 0.0 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 0.0 | |
beech | 0.3 | 0.1 | 0.6 | 0.2 | 1.5 | 0.5 | 0.2 | 0.1 | 0.1 | 0.2 | 1.2 | 0.5 | 0.6 | 0.1 | |
maple | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | . | 0.1 | 0.1 | 0.1 | 0.0 | |
ash | 0.0 | 0.0 | 0.1 | 0.1 | 0.4 | 0.2 | 0.2 | 0.1 | 0.0 | . | 0.4 | 0.2 | 0.1 | 0.0 | |
oak | -0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | . | 0.3 | 0.3 | 0.0 | 0.0 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 2.1 | 0.6 | 0.2 | 0.0 | |
other broadleaves | 0.0 | 0.0 | 0.1 | 0.1 | 0.2 | 0.1 | 0.9 | 0.4 | 0.0 | . | 1.8 | 0.5 | 0.2 | 0.0 | |
total | 0.7 | 0.2 | 1.5 | 0.4 | 5.3 | 1.1 | 7.3 | 1.5 | 2.6 | 0.8 | 7.6 | 1.4 | 2.4 | 0.2 | |
outside perimeter | spruce | 2.5 | 0.3 | 27.6 | 1.5 | 23.5 | 1.9 | 39.3 | 2.6 | 42.7 | 2.8 | 20.1 | 2.2 | 16.1 | 0.5 |
fir | 2.6 | 0.3 | 13.2 | 1.2 | 10.0 | 1.1 | 3.2 | 0.8 | 1.6 | 0.5 | 2.7 | 0.6 | 5.5 | 0.3 | |
pine | 0.2 | 0.1 | 0.1 | 0.1 | 0.7 | 0.3 | 6.4 | 1.3 | 1.3 | 0.5 | 0.0 | 0.2 | 0.6 | 0.1 | |
larch | 0.1 | 0.1 | 0.1 | 0.1 | 0.4 | 0.2 | 15.9 | 1.7 | 4.9 | 0.9 | 6.4 | 1.3 | 1.8 | 0.2 | |
stone pine | 0.0 | . | 0.0 | 0.0 | 0.0 | . | 1.2 | 0.4 | 0.8 | 0.3 | 0.0 | . | 0.1 | 0.0 | |
other conifers | 0.1 | 0.0 | 0.1 | 0.1 | -0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
beech | 3.9 | 0.4 | 8.2 | 1.0 | 8.9 | 1.2 | 2.0 | 0.7 | 0.6 | 0.8 | 15.9 | 1.9 | 5.9 | 0.3 | |
maple | 0.6 | 0.1 | 1.7 | 0.2 | 2.7 | 0.5 | 0.7 | 0.3 | 0.3 | 0.2 | 0.4 | 0.3 | 1.0 | 0.1 | |
ash | 1.0 | 0.2 | 0.9 | 0.2 | 2.1 | 0.5 | 1.0 | 0.4 | 0.4 | 0.3 | 2.7 | 0.7 | 1.2 | 0.1 | |
oak | 0.1 | 0.0 | 0.2 | 0.1 | 0.1 | 0.0 | 0.3 | 0.1 | 0.3 | 0.3 | 2.9 | 0.9 | 0.4 | 0.1 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | -0.0 | 0.1 | 0.0 | 0.0 | 16.5 | 1.9 | 1.2 | 0.1 | |
other broadleaves | 0.3 | 0.1 | 1.4 | 0.2 | 2.2 | 0.5 | 4.1 | 1.1 | 2.0 | 0.5 | 11.0 | 1.1 | 1.8 | 0.1 | |
total | 11.4 | 0.8 | 53.6 | 2.2 | 50.6 | 2.7 | 74.1 | 2.6 | 55.0 | 3.0 | 78.6 | 2.2 | 35.7 | 0.8 | |
total | spruce | 36.0 | 1.0 | 52.9 | 1.6 | 52.5 | 2.0 | 49.5 | 2.4 | 71.6 | 2.2 | 22.9 | 2.3 | 43.5 | 0.7 |
fir | 18.5 | 0.8 | 23.1 | 1.3 | 16.4 | 1.3 | 3.8 | 1.0 | 2.7 | 0.7 | 3.6 | 0.8 | 16.2 | 0.5 | |
pine | 2.2 | 0.2 | 0.5 | 0.2 | 0.9 | 0.3 | 8.0 | 1.4 | 6.0 | 1.0 | 0.5 | 0.4 | 2.2 | 0.2 | |
larch | 0.8 | 0.2 | 0.4 | 0.2 | 0.9 | 0.3 | 23.8 | 2.0 | 9.3 | 1.3 | 8.3 | 1.3 | 3.1 | 0.2 | |
stone pine | 0.0 | . | 0.0 | 0.0 | 0.0 | 0.0 | 1.5 | 0.4 | 2.2 | 0.6 | 0.1 | 0.1 | 0.3 | 0.0 | |
other conifers | 0.8 | 0.2 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.5 | 0.1 | |
beech | 26.0 | 0.8 | 14.8 | 1.3 | 16.7 | 1.5 | 2.7 | 0.7 | 2.4 | 0.9 | 18.1 | 1.9 | 19.3 | 0.5 | |
maple | 2.9 | 0.2 | 2.8 | 0.3 | 4.2 | 0.7 | 0.9 | 0.3 | 0.5 | 0.3 | 0.8 | 0.3 | 2.6 | 0.2 | |
ash | 5.8 | 0.4 | 2.1 | 0.4 | 4.7 | 0.7 | 1.7 | 0.5 | 0.7 | 0.3 | 3.9 | 0.8 | 4.2 | 0.2 | |
oak | 3.1 | 0.3 | 0.4 | 0.1 | 0.2 | 0.1 | 1.0 | 0.4 | 0.5 | 0.3 | 3.7 | 0.9 | 2.0 | 0.2 | |
chestnut | 0.0 | 0.0 | 0.0 | . | 0.0 | . | 0.3 | 0.2 | 0.0 | 0.0 | 22.0 | 2.1 | 1.6 | 0.2 | |
other broadleaves | 3.8 | 0.3 | 2.7 | 0.4 | 3.4 | 0.5 | 6.7 | 1.4 | 3.9 | 0.7 | 16.1 | 1.4 | 4.6 | 0.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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