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production region | |||||||||||||
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Jura | Plateau | Pre-Alps | Alps | Southern Alps | Switzerland | ||||||||
avalanches SilvaProtect | main tree species | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % |
n/a | spruce | 9.1 | 5 | 9.2 | 4 | 19.7 | 5 | 17.6 | 5 | 6.0 | 21 | 12.4 | 2 |
fir | 6.7 | 6 | 4.8 | 6 | 7.1 | 8 | 1.3 | 18 | 0.9 | 66 | 4.9 | 4 | |
pine | 1.0 | 14 | 1.0 | 11 | 0.5 | 41 | 2.5 | 12 | 0.9 | 53 | 1.2 | 7 | |
larch | 0.1 | 34 | 0.4 | 15 | 0.2 | 46 | 4.0 | 10 | 4.1 | 19 | 1.1 | 8 | |
stone pine | 0.0 | . | 0.0 | . | 0.0 | 100 | 1.4 | 16 | 0.1 | 72 | 0.3 | 16 | |
other conifers | 0.2 | 35 | 0.4 | 22 | 0.0 | 57 | 0.1 | 34 | 0.0 | . | 0.2 | 17 | |
beech | 9.1 | 4 | 7.3 | 4 | 5.2 | 9 | 1.8 | 19 | 1.7 | 39 | 6.2 | 3 | |
maple | 1.5 | 8 | 1.3 | 8 | 1.3 | 14 | 0.7 | 22 | 1.0 | 36 | 1.2 | 5 | |
ash | 1.1 | 10 | 2.1 | 8 | 1.2 | 17 | 0.5 | 26 | 1.5 | 30 | 1.4 | 6 | |
oak | 1.2 | 14 | 1.5 | 10 | 0.2 | 33 | 0.4 | 30 | 0.7 | 37 | 1.0 | 8 | |
chestnut | 0.0 | . | 0.0 | 90 | 0.0 | . | 0.0 | 75 | 5.8 | 25 | 0.2 | 25 | |
other broadleaves | 1.0 | 14 | 1.3 | 9 | 0.6 | 19 | 1.2 | 16 | 5.6 | 14 | 1.2 | 6 | |
total | 31.1 | 2 | 29.3 | 2 | 36.0 | 3 | 31.4 | 3 | 28.3 | 7 | 31.2 | 1 | |
inside perimeter | spruce | 9.8 | 23 | 0.0 | . | 19.5 | 13 | 22.2 | 5 | 20.5 | 15 | 20.9 | 5 |
fir | 8.9 | 26 | 0.0 | . | 7.5 | 22 | 2.8 | 17 | 2.5 | 41 | 3.8 | 12 | |
pine | 2.8 | 59 | 0.0 | . | 0.7 | 65 | 1.4 | 23 | 0.3 | 74 | 1.2 | 20 | |
larch | 0.0 | . | 0.0 | . | 0.0 | . | 5.3 | 13 | 8.5 | 19 | 4.7 | 11 | |
stone pine | 0.0 | . | 0.0 | . | 0.0 | . | 1.3 | 23 | 0.0 | . | 0.9 | 23 | |
other conifers | 0.0 | . | 0.0 | . | 0.0 | 79 | 0.0 | 90 | 0.0 | 99 | 0.0 | 61 | |
beech | 15.8 | 13 | 0.0 | . | 7.8 | 18 | 2.4 | 17 | 3.1 | 33 | 3.9 | 11 | |
maple | 1.4 | 35 | 0.0 | . | 2.1 | 22 | 0.8 | 18 | 0.0 | 99 | 0.9 | 13 | |
ash | 0.1 | 98 | 0.0 | . | 0.8 | 37 | 0.3 | 27 | 0.1 | 71 | 0.3 | 21 | |
oak | 0.0 | . | 0.0 | . | 0.0 | 99 | 0.1 | 74 | 0.0 | 99 | 0.1 | 66 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
other broadleaves | 1.0 | 44 | 0.0 | . | 0.4 | 50 | 0.7 | 23 | 1.6 | 40 | 0.8 | 18 | |
total | 39.8 | 5 | 0.0 | . | 38.8 | 6 | 37.2 | 3 | 36.6 | 7 | 37.5 | 3 | |
outside perimeter | spruce | 5.5 | 13 | 6.3 | 18 | 17.1 | 5 | 18.6 | 4 | 6.7 | 10 | 13.7 | 3 |
fir | 7.1 | 11 | 5.4 | 17 | 8.4 | 7 | 2.0 | 11 | 1.1 | 20 | 3.9 | 5 | |
pine | 1.6 | 32 | 0.5 | 40 | 0.2 | 42 | 1.6 | 14 | 0.2 | 75 | 0.9 | 12 | |
larch | 0.1 | 100 | 0.1 | 80 | 0.2 | 40 | 5.1 | 8 | 3.7 | 11 | 2.9 | 7 | |
stone pine | 0.0 | . | 0.0 | . | 0.1 | 100 | 0.8 | 19 | 0.0 | 100 | 0.3 | 19 | |
other conifers | 0.4 | 64 | 0.2 | 53 | 0.1 | 39 | 0.0 | 41 | 0.0 | 100 | 0.1 | 28 | |
beech | 13.6 | 7 | 9.6 | 11 | 7.5 | 7 | 2.5 | 10 | 7.0 | 10 | 6.1 | 4 | |
maple | 2.3 | 14 | 2.1 | 23 | 1.6 | 10 | 1.1 | 12 | 0.4 | 22 | 1.2 | 6 | |
ash | 1.7 | 25 | 4.5 | 19 | 1.2 | 12 | 0.6 | 16 | 0.8 | 22 | 1.1 | 8 | |
oak | 0.3 | 39 | 0.9 | 35 | 0.1 | 38 | 0.2 | 27 | 1.0 | 17 | 0.4 | 12 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 45 | 6.7 | 10 | 1.6 | 10 | |
other broadleaves | 0.7 | 17 | 1.2 | 32 | 0.7 | 14 | 1.4 | 10 | 4.3 | 8 | 1.8 | 6 | |
total | 33.2 | 4 | 30.8 | 6 | 37.2 | 3 | 34.0 | 2 | 31.9 | 3 | 34.0 | 1 | |
total | spruce | 8.5 | 4 | 8.9 | 4 | 18.5 | 3 | 18.9 | 3 | 7.9 | 8 | 13.6 | 2 |
fir | 6.8 | 5 | 4.8 | 6 | 7.7 | 5 | 1.9 | 8 | 1.2 | 18 | 4.4 | 3 | |
pine | 1.1 | 13 | 1.0 | 10 | 0.4 | 30 | 1.9 | 9 | 0.3 | 42 | 1.1 | 6 | |
larch | 0.1 | 32 | 0.4 | 15 | 0.2 | 30 | 4.8 | 6 | 4.2 | 9 | 2.1 | 5 | |
stone pine | 0.0 | . | 0.0 | . | 0.1 | 76 | 1.1 | 11 | 0.0 | 69 | 0.3 | 11 | |
other conifers | 0.2 | 31 | 0.4 | 22 | 0.0 | 32 | 0.1 | 25 | 0.0 | 92 | 0.1 | 15 | |
beech | 10.0 | 4 | 7.5 | 4 | 6.4 | 5 | 2.2 | 8 | 5.8 | 9 | 6.0 | 2 | |
maple | 1.6 | 7 | 1.3 | 8 | 1.5 | 8 | 0.9 | 9 | 0.4 | 19 | 1.2 | 4 | |
ash | 1.2 | 10 | 2.3 | 7 | 1.2 | 10 | 0.5 | 13 | 0.9 | 18 | 1.2 | 5 | |
oak | 1.1 | 13 | 1.4 | 10 | 0.2 | 25 | 0.2 | 20 | 0.9 | 16 | 0.7 | 7 | |
chestnut | 0.0 | . | 0.0 | 90 | 0.0 | . | 0.0 | 40 | 5.9 | 9 | 0.7 | 9 | |
other broadleaves | 1.0 | 12 | 1.3 | 9 | 0.6 | 11 | 1.2 | 8 | 4.2 | 7 | 1.4 | 4 | |
total | 31.7 | 2 | 29.4 | 2 | 36.7 | 2 | 33.7 | 1 | 31.8 | 2 | 32.8 | 1 |
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