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production region | |||||||||||||
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Jura | Plateau | Pre-Alps | Alps | Southern Alps | Switzerland | ||||||||
avalanches SilvaProtect | main tree species | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± | %/yr | ± |
n/a | spruce | 29.3 | 1.5 | 42.7 | 1.4 | 56.0 | 2.2 | 60.0 | 2.8 | 17.3 | 5.5 | 43.2 | 0.9 |
fir | 22.1 | 1.4 | 16.2 | 1.0 | 22.1 | 1.7 | 4.1 | 1.1 | 3.8 | 2.7 | 17.3 | 0.7 | |
pine | 2.3 | 0.4 | 2.2 | 0.3 | 0.8 | 0.3 | 5.7 | 1.0 | 2.2 | 2.2 | 2.3 | 0.2 | |
larch | 0.4 | 0.1 | 1.2 | 0.3 | 0.5 | 0.3 | 9.3 | 1.5 | 10.7 | 2.8 | 1.9 | 0.2 | |
stone pine | 0.0 | . | 0.0 | . | 0.0 | 0.0 | 1.7 | 0.6 | 0.7 | 0.7 | 0.2 | 0.1 | |
other conifers | 0.5 | 0.3 | 1.1 | 0.3 | 0.0 | 0.0 | 0.2 | 0.1 | 0.0 | . | 0.7 | 0.2 | |
beech | 31.1 | 1.5 | 21.4 | 1.1 | 13.1 | 1.5 | 8.4 | 2.0 | 7.2 | 2.7 | 20.7 | 0.7 | |
maple | 3.5 | 0.4 | 2.0 | 0.3 | 1.9 | 0.4 | 1.6 | 0.6 | 1.7 | 1.4 | 2.3 | 0.2 | |
ash | 4.6 | 0.6 | 5.9 | 0.6 | 3.4 | 0.8 | 2.0 | 0.6 | 5.9 | 2.6 | 4.7 | 0.4 | |
oak | 3.0 | 0.5 | 3.4 | 0.4 | 0.5 | 0.3 | 0.9 | 0.4 | 3.4 | 1.4 | 2.5 | 0.2 | |
chestnut | 0.0 | . | 0.1 | 0.1 | 0.0 | . | 0.1 | 0.1 | 23.3 | 6.2 | 0.4 | 0.1 | |
other broadleaves | 3.4 | 0.5 | 3.8 | 0.4 | 1.5 | 0.3 | 6.0 | 1.2 | 23.7 | 4.8 | 3.8 | 0.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
inside perimeter | spruce | 26.2 | 6.9 | 0.0 | . | 59.0 | 6.5 | 65.2 | 3.4 | 62.1 | 9.6 | 61.0 | 2.8 |
fir | 27.3 | 7.3 | 0.0 | . | 18.7 | 4.9 | 7.8 | 1.5 | 8.9 | 4.0 | 11.2 | 1.5 | |
pine | 3.1 | 1.9 | 0.0 | . | 0.4 | 0.5 | 3.1 | 1.2 | -2.0 | 1.7 | 2.1 | 0.8 | |
larch | 0.0 | . | 0.0 | . | 0.0 | . | 11.2 | 2.0 | 16.2 | 8.3 | 8.9 | 1.6 | |
stone pine | 0.0 | . | 0.0 | . | 0.0 | . | 1.1 | 0.5 | 0.0 | . | 0.7 | 0.3 | |
other conifers | 0.0 | . | 0.0 | . | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | . | 0.0 | 0.0 | |
beech | 39.2 | 8.2 | 0.0 | . | 13.3 | 3.2 | 6.2 | 2.0 | 7.6 | 2.7 | 9.9 | 1.6 | |
maple | 0.6 | 1.8 | 0.0 | . | 4.4 | 1.5 | 2.3 | 0.7 | 0.2 | 0.2 | 2.4 | 0.5 | |
ash | 0.8 | 0.6 | 0.0 | . | 2.4 | 1.3 | 0.4 | 0.6 | 0.3 | 0.2 | 0.8 | 0.4 | |
oak | 0.0 | . | 0.0 | . | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
other broadleaves | 2.9 | 1.2 | 0.0 | . | 1.9 | 1.1 | 2.5 | 0.9 | 6.6 | 2.7 | 2.8 | 0.7 | |
total | 100.0 | . | 0.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
outside perimeter | spruce | 18.0 | 2.6 | 27.4 | 4.2 | 45.2 | 2.1 | 58.8 | 2.0 | 19.8 | 2.6 | 41.0 | 1.2 |
fir | 22.1 | 2.8 | 20.7 | 3.5 | 26.9 | 1.8 | 6.8 | 1.0 | 3.0 | 0.8 | 15.7 | 0.9 | |
pine | 2.6 | 0.9 | 0.5 | 0.3 | 0.1 | 0.1 | 4.8 | 0.8 | 0.4 | 0.3 | 1.9 | 0.3 | |
larch | 0.9 | 0.9 | 0.2 | 0.1 | 0.3 | 0.2 | 10.6 | 1.1 | 7.0 | 1.3 | 4.6 | 0.4 | |
stone pine | 0.0 | . | 0.0 | . | 0.1 | 0.1 | 1.0 | 0.3 | 0.0 | . | 0.3 | 0.1 | |
other conifers | 0.6 | 0.4 | 0.4 | 0.3 | 0.2 | 0.1 | -0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | |
beech | 41.2 | 3.4 | 28.8 | 3.4 | 18.5 | 1.8 | 6.6 | 1.0 | 20.9 | 2.3 | 18.2 | 1.0 | |
maple | 5.2 | 1.0 | 6.2 | 1.8 | 3.3 | 0.5 | 2.4 | 0.4 | 0.5 | 0.3 | 2.9 | 0.3 | |
ash | 6.4 | 2.0 | 10.8 | 2.1 | 2.5 | 0.4 | 2.5 | 0.6 | 4.0 | 0.9 | 3.8 | 0.4 | |
oak | 0.7 | 0.6 | 1.9 | 0.7 | 0.2 | 0.1 | 0.5 | 0.2 | 4.4 | 1.2 | 1.2 | 0.2 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.1 | 24.2 | 2.4 | 4.2 | 0.5 | |
other broadleaves | 2.4 | 0.6 | 3.2 | 0.9 | 2.6 | 0.4 | 5.9 | 0.8 | 15.7 | 1.5 | 5.9 | 0.4 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | spruce | 27.4 | 1.3 | 41.4 | 1.4 | 51.0 | 1.5 | 60.5 | 1.4 | 23.2 | 2.3 | 43.6 | 0.7 |
fir | 22.2 | 1.3 | 16.6 | 1.0 | 24.2 | 1.2 | 6.1 | 0.7 | 3.6 | 0.8 | 16.4 | 0.5 | |
pine | 2.3 | 0.3 | 2.1 | 0.3 | 0.4 | 0.2 | 4.8 | 0.5 | 0.5 | 0.4 | 2.2 | 0.2 | |
larch | 0.5 | 0.2 | 1.1 | 0.2 | 0.4 | 0.2 | 10.3 | 0.8 | 8.3 | 1.3 | 3.2 | 0.2 | |
stone pine | 0.0 | . | 0.0 | . | 0.1 | 0.0 | 1.2 | 0.2 | 0.1 | 0.1 | 0.3 | 0.0 | |
other conifers | 0.5 | 0.2 | 1.1 | 0.3 | 0.1 | 0.1 | 0.0 | 0.1 | 0.0 | 0.0 | 0.5 | 0.1 | |
beech | 32.8 | 1.4 | 22.0 | 1.0 | 15.7 | 1.1 | 7.1 | 0.9 | 17.9 | 1.9 | 19.3 | 0.5 | |
maple | 3.7 | 0.4 | 2.3 | 0.3 | 2.7 | 0.3 | 2.1 | 0.3 | 0.6 | 0.3 | 2.5 | 0.2 | |
ash | 4.8 | 0.6 | 6.3 | 0.6 | 3.0 | 0.4 | 1.9 | 0.4 | 3.9 | 0.8 | 4.2 | 0.3 | |
oak | 2.6 | 0.4 | 3.3 | 0.4 | 0.4 | 0.1 | 0.5 | 0.2 | 3.9 | 0.9 | 2.0 | 0.2 | |
chestnut | 0.0 | . | 0.1 | 0.1 | 0.0 | . | 0.1 | 0.1 | 22.0 | 2.1 | 1.6 | 0.2 | |
other broadleaves | 3.2 | 0.4 | 3.8 | 0.4 | 2.1 | 0.2 | 5.2 | 0.6 | 16.0 | 1.4 | 4.4 | 0.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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