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biogeographical region | |||||||||||||||
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Jura | Plateau | Northern Alps | Western Central-Alps | Eastern Central-Alps | Southern Alps | Switzerland | |||||||||
rockfall SilvaProtect | main tree species | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
n/a | spruce | 31.6 | 1.9 | 31.4 | 1.5 | 61.0 | 2.3 | 26.5 | 5.1 | 56.2 | 4.2 | 29.5 | 5.9 | 40.5 | 1.1 |
fir | 21.5 | 1.6 | 16.7 | 1.2 | 13.4 | 1.4 | 0.4 | 0.4 | 2.0 | 1.0 | 5.6 | 3.7 | 15.3 | 0.7 | |
pine | 3.3 | 0.7 | 3.5 | 0.5 | 1.5 | 0.7 | 13.2 | 4.8 | 11.3 | 2.3 | 1.7 | 1.7 | 3.7 | 0.4 | |
larch | 0.2 | 0.1 | 1.2 | 0.2 | 0.9 | 0.3 | 40.7 | 6.8 | 15.7 | 2.8 | 17.9 | 4.1 | 3.4 | 0.4 | |
stone pine | . | 0.0 | . | 0.0 | . | 0.0 | 6.5 | 2.6 | 7.7 | 1.9 | 1.9 | 1.6 | 0.8 | 0.2 | |
other conifers | 0.5 | 0.2 | 1.5 | 0.4 | 0.0 | 0.0 | 0.3 | 0.3 | 0.6 | 0.3 | . | 0.0 | 0.7 | 0.2 | |
beech | 30.1 | 1.7 | 24.3 | 1.3 | 12.6 | 1.4 | . | 0.0 | 2.7 | 1.3 | 5.5 | 2.0 | 20.2 | 0.8 | |
maple | 4.5 | 0.5 | 3.6 | 0.4 | 4.1 | 0.6 | 0.7 | 0.5 | 0.4 | 0.3 | 0.4 | 0.3 | 3.6 | 0.2 | |
ash | 3.3 | 0.5 | 7.6 | 0.8 | 3.6 | 0.7 | 4.4 | 3.7 | 0.5 | 0.3 | 2.3 | 1.3 | 4.7 | 0.4 | |
oak | 2.2 | 0.4 | 5.5 | 0.7 | 0.3 | 0.1 | 1.7 | 0.9 | 0.6 | 0.6 | 2.1 | 1.2 | 2.8 | 0.3 | |
chestnut | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | . | 0.0 | . | 0.0 | 11.6 | 3.8 | 0.3 | 0.1 | |
other broadleaves | 2.7 | 0.5 | 4.7 | 0.6 | 2.4 | 0.5 | 5.4 | 1.9 | 2.3 | 1.2 | 21.6 | 4.8 | 3.9 | 0.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
inside perimeter | spruce | 28.1 | 12.0 | 2.8 | 3.7 | 50.2 | 7.0 | 42.7 | 10.7 | 35.9 | 12.5 | 26.1 | 8.5 | 39.6 | 4.6 |
fir | 5.3 | 2.0 | . | 0.0 | 8.5 | 3.1 | 3.9 | 3.7 | 17.8 | 11.1 | 0.3 | 0.3 | 5.8 | 1.7 | |
pine | 5.8 | 5.4 | . | 0.0 | 3.2 | 1.9 | 8.8 | 6.0 | 36.1 | 18.9 | . | 0.0 | 5.5 | 2.1 | |
larch | . | 0.0 | . | 0.0 | 0.5 | 0.5 | 24.0 | 7.0 | 1.7 | 1.6 | 8.7 | 5.0 | 6.8 | 1.9 | |
stone pine | . | 0.0 | . | 0.0 | 0.2 | 0.2 | 0.9 | 0.7 | 0.5 | 0.4 | . | 0.0 | 0.3 | 0.2 | |
other conifers | . | 0.0 | 2.5 | 0.2 | 0.3 | 0.3 | . | 0.0 | . | 0.0 | . | 0.0 | 0.1 | 0.1 | |
beech | 51.1 | 13.9 | 90.5 | 9.0 | 21.0 | 5.0 | 2.6 | 1.8 | 8.1 | 6.8 | 4.8 | 3.5 | 15.7 | 3.0 | |
maple | 6.9 | 2.8 | . | 0.0 | 4.2 | 1.2 | 0.3 | 0.2 | . | 0.0 | 1.6 | 1.1 | 2.8 | 0.6 | |
ash | 1.7 | 1.7 | . | 0.0 | 6.4 | 2.7 | 2.4 | 1.3 | . | 0.0 | 6.5 | 4.6 | 4.9 | 1.7 | |
oak | 1.0 | 1.0 | . | 0.0 | 0.2 | 0.2 | . | 0.0 | . | 0.0 | 0.7 | 0.7 | 0.3 | 0.2 | |
chestnut | . | 0.0 | . | 0.0 | . | 0.0 | 4.2 | 2.7 | . | 0.0 | 27.4 | 11.5 | 7.9 | 3.7 | |
other broadleaves | 0.2 | 0.2 | 4.2 | 5.5 | 5.2 | 2.2 | 10.2 | 4.5 | . | 0.0 | 23.9 | 7.4 | 10.3 | 2.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
outside perimeter | spruce | 18.4 | 2.8 | 25.4 | 3.9 | 53.2 | 2.0 | 46.9 | 3.2 | 67.3 | 3.2 | 27.4 | 3.0 | 44.4 | 1.3 |
fir | 26.7 | 3.1 | 21.6 | 3.6 | 16.4 | 1.3 | 3.3 | 1.2 | 1.2 | 0.7 | 3.9 | 1.0 | 11.7 | 0.7 | |
pine | 3.2 | 1.1 | 1.1 | 0.6 | 0.5 | 0.2 | 8.6 | 1.8 | 4.2 | 1.2 | 0.3 | 0.2 | 2.2 | 0.3 | |
larch | 0.3 | 0.3 | 1.0 | 0.6 | 0.5 | 0.2 | 29.2 | 3.0 | 17.6 | 2.6 | 14.3 | 1.9 | 8.8 | 0.7 | |
stone pine | . | 0.0 | . | 0.0 | . | 0.0 | 4.3 | 1.2 | 4.3 | 1.3 | . | 0.0 | 1.0 | 0.2 | |
other conifers | 0.5 | 0.3 | 0.5 | 0.4 | 0.1 | 0.0 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.2 | 0.0 | |
beech | 35.4 | 3.2 | 27.4 | 3.2 | 17.7 | 1.4 | 2.1 | 0.9 | 0.5 | 0.3 | 19.2 | 2.3 | 16.1 | 0.8 | |
maple | 7.0 | 1.1 | 4.5 | 1.3 | 5.9 | 0.5 | 0.7 | 0.3 | 0.4 | 0.3 | 0.9 | 0.3 | 3.6 | 0.3 | |
ash | 4.2 | 1.5 | 12.8 | 2.5 | 2.8 | 0.4 | 0.7 | 0.4 | 1.1 | 0.7 | 1.2 | 0.3 | 2.8 | 0.3 | |
oak | 1.8 | 0.7 | 2.7 | 1.0 | 0.2 | 0.1 | 1.0 | 0.5 | . | 0.0 | 3.3 | 0.7 | 1.2 | 0.2 | |
chestnut | . | 0.0 | . | 0.0 | 0.1 | 0.1 | . | 0.0 | . | 0.0 | 19.1 | 2.6 | 3.7 | 0.5 | |
other broadleaves | 2.4 | 0.6 | 3.0 | 0.9 | 2.7 | 0.4 | 3.2 | 0.7 | 3.1 | 1.0 | 10.3 | 1.3 | 4.3 | 0.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | spruce | 28.9 | 1.6 | 30.6 | 1.4 | 56.2 | 1.5 | 42.8 | 2.7 | 61.9 | 2.6 | 27.6 | 2.6 | 42.2 | 0.8 |
fir | 22.3 | 1.4 | 17.3 | 1.2 | 14.8 | 0.9 | 2.8 | 0.9 | 1.9 | 0.6 | 3.8 | 0.9 | 13.4 | 0.5 | |
pine | 3.3 | 0.6 | 3.2 | 0.4 | 1.0 | 0.3 | 9.4 | 1.7 | 8.0 | 1.3 | 0.5 | 0.3 | 3.1 | 0.2 | |
larch | 0.2 | 0.1 | 1.2 | 0.2 | 0.7 | 0.1 | 30.8 | 2.6 | 16.4 | 1.9 | 14.3 | 1.6 | 5.9 | 0.4 | |
stone pine | . | 0.0 | . | 0.0 | 0.0 | 0.0 | 4.4 | 1.0 | 5.6 | 1.1 | 0.3 | 0.2 | 0.9 | 0.1 | |
other conifers | 0.5 | 0.2 | 1.4 | 0.4 | 0.1 | 0.0 | 0.1 | 0.1 | 0.3 | 0.1 | 0.1 | 0.1 | 0.5 | 0.1 | |
beech | 31.5 | 1.5 | 24.8 | 1.2 | 15.8 | 1.0 | 1.8 | 0.7 | 1.6 | 0.6 | 16.1 | 1.9 | 18.2 | 0.5 | |
maple | 5.1 | 0.4 | 3.7 | 0.4 | 5.1 | 0.4 | 0.7 | 0.3 | 0.4 | 0.2 | 0.9 | 0.3 | 3.6 | 0.2 | |
ash | 3.4 | 0.5 | 8.2 | 0.7 | 3.3 | 0.4 | 1.5 | 0.8 | 0.8 | 0.4 | 1.8 | 0.5 | 3.9 | 0.2 | |
oak | 2.1 | 0.4 | 5.1 | 0.6 | 0.2 | 0.1 | 1.0 | 0.4 | 0.3 | 0.3 | 2.9 | 0.6 | 2.0 | 0.2 | |
chestnut | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.4 | 0.2 | . | 0.0 | 18.8 | 2.3 | 2.1 | 0.3 | |
other broadleaves | 2.6 | 0.4 | 4.4 | 0.5 | 2.7 | 0.3 | 4.2 | 0.8 | 2.7 | 0.7 | 13.0 | 1.4 | 4.3 | 0.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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