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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 | 9.3 | 5 | 9.1 | 4 | 20.0 | 5 | 15.1 | 5 | 4.6 | 18 | 12.0 | 2 |
fir | 6.5 | 6 | 4.7 | 6 | 6.7 | 8 | 1.0 | 18 | 0.6 | 58 | 4.5 | 4 | |
pine | 1.0 | 14 | 1.0 | 11 | 0.5 | 40 | 2.1 | 12 | 0.6 | 49 | 1.1 | 7 | |
larch | 0.1 | 34 | 0.5 | 16 | 0.2 | 46 | 3.7 | 9 | 4.6 | 14 | 1.3 | 7 | |
stone pine | 0.0 | . | 0.0 | . | 0.0 | 100 | 1.2 | 15 | 0.1 | 58 | 0.3 | 15 | |
other conifers | 0.2 | 35 | 0.4 | 22 | 0.0 | 57 | 0.1 | 31 | 0.0 | . | 0.2 | 17 | |
beech | 9.1 | 4 | 7.3 | 4 | 4.8 | 9 | 1.5 | 18 | 1.2 | 35 | 5.7 | 3 | |
maple | 1.5 | 7 | 1.3 | 8 | 1.2 | 13 | 0.6 | 20 | 0.7 | 36 | 1.1 | 5 | |
ash | 1.1 | 10 | 2.1 | 8 | 1.1 | 17 | 0.4 | 23 | 1.0 | 29 | 1.3 | 6 | |
oak | 1.2 | 14 | 1.5 | 10 | 0.2 | 32 | 0.3 | 28 | 0.4 | 37 | 0.9 | 8 | |
chestnut | 0.0 | . | 0.0 | 90 | 0.0 | . | 0.1 | 85 | 5.2 | 32 | 0.3 | 30 | |
other broadleaves | 1.2 | 15 | 1.4 | 9 | 0.6 | 18 | 1.3 | 14 | 4.7 | 15 | 1.4 | 6 | |
total | 31.2 | 2 | 29.2 | 2 | 35.4 | 3 | 27.3 | 3 | 23.8 | 8 | 30.0 | 1 | |
inside perimeter | spruce | 9.8 | 23 | 0.0 | . | 19.2 | 13 | 21.6 | 5 | 18.3 | 15 | 20.3 | 5 |
fir | 8.9 | 26 | 0.0 | . | 7.4 | 22 | 2.7 | 17 | 2.2 | 42 | 3.5 | 12 | |
pine | 2.8 | 59 | 0.0 | . | 0.6 | 65 | 1.4 | 23 | 0.2 | 74 | 1.2 | 20 | |
larch | 0.0 | . | 0.0 | . | 0.0 | . | 5.1 | 13 | 8.8 | 17 | 4.7 | 11 | |
stone pine | 0.0 | . | 0.0 | . | 0.0 | . | 1.2 | 22 | 0.0 | . | 0.8 | 22 | |
other conifers | 0.0 | . | 0.0 | . | 0.0 | 79 | 0.0 | 90 | 0.0 | 99 | 0.0 | 61 | |
beech | 15.8 | 13 | 0.0 | . | 7.7 | 18 | 2.3 | 17 | 2.8 | 33 | 3.8 | 10 | |
maple | 1.4 | 35 | 0.0 | . | 2.1 | 22 | 0.8 | 18 | 0.0 | 99 | 0.9 | 13 | |
ash | 0.1 | 98 | 0.0 | . | 0.7 | 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 | . | 0.5 | 44 | 0.7 | 21 | 1.8 | 35 | 0.9 | 17 | |
total | 39.8 | 5 | 0.0 | . | 38.4 | 7 | 36.3 | 3 | 34.3 | 7 | 36.5 | 3 | |
outside perimeter | spruce | 5.5 | 13 | 6.3 | 18 | 17.4 | 5 | 17.9 | 4 | 6.3 | 9 | 13.3 | 3 |
fir | 7.2 | 11 | 5.4 | 17 | 8.2 | 7 | 1.8 | 11 | 1.0 | 20 | 3.7 | 5 | |
pine | 1.5 | 32 | 0.5 | 40 | 0.2 | 42 | 1.5 | 13 | 0.2 | 75 | 0.8 | 12 | |
larch | 0.1 | 100 | 0.1 | 80 | 0.2 | 40 | 5.3 | 8 | 3.8 | 10 | 3.1 | 6 | |
stone pine | 0.0 | . | 0.0 | . | 0.1 | 100 | 0.9 | 18 | 0.0 | 100 | 0.4 | 18 | |
other conifers | 0.3 | 64 | 0.2 | 53 | 0.1 | 39 | 0.1 | 41 | 0.0 | 100 | 0.1 | 27 | |
beech | 13.5 | 7 | 9.6 | 11 | 7.4 | 7 | 2.3 | 10 | 6.3 | 10 | 5.7 | 4 | |
maple | 2.2 | 14 | 2.1 | 23 | 1.6 | 10 | 1.1 | 12 | 0.4 | 20 | 1.2 | 6 | |
ash | 1.6 | 25 | 4.5 | 19 | 1.3 | 12 | 0.7 | 16 | 0.8 | 20 | 1.1 | 8 | |
oak | 0.3 | 39 | 0.9 | 35 | 0.1 | 38 | 0.2 | 27 | 1.0 | 16 | 0.4 | 12 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 45 | 5.9 | 10 | 1.5 | 10 | |
other broadleaves | 0.7 | 17 | 1.2 | 32 | 0.7 | 13 | 1.4 | 10 | 4.1 | 8 | 1.9 | 6 | |
total | 33.1 | 4 | 30.8 | 6 | 37.2 | 3 | 33.1 | 2 | 29.7 | 3 | 33.1 | 1 | |
total | spruce | 8.7 | 4 | 8.8 | 4 | 18.8 | 3 | 17.5 | 2 | 7.0 | 7 | 13.2 | 2 |
fir | 6.7 | 5 | 4.8 | 6 | 7.4 | 5 | 1.6 | 8 | 1.0 | 17 | 4.1 | 3 | |
pine | 1.1 | 13 | 1.0 | 10 | 0.4 | 30 | 1.7 | 8 | 0.3 | 40 | 1.0 | 6 | |
larch | 0.1 | 32 | 0.4 | 15 | 0.2 | 30 | 4.6 | 5 | 4.4 | 7 | 2.2 | 4 | |
stone pine | 0.0 | . | 0.0 | . | 0.0 | 76 | 1.0 | 10 | 0.0 | 57 | 0.3 | 10 | |
other conifers | 0.2 | 31 | 0.4 | 21 | 0.0 | 32 | 0.1 | 25 | 0.0 | 92 | 0.1 | 14 | |
beech | 9.9 | 4 | 7.5 | 4 | 6.1 | 5 | 2.0 | 8 | 4.9 | 9 | 5.6 | 2 | |
maple | 1.6 | 6 | 1.3 | 8 | 1.5 | 8 | 0.8 | 9 | 0.4 | 18 | 1.1 | 4 | |
ash | 1.2 | 10 | 2.3 | 7 | 1.2 | 10 | 0.5 | 12 | 0.8 | 16 | 1.1 | 5 | |
oak | 1.0 | 13 | 1.4 | 10 | 0.1 | 24 | 0.2 | 19 | 0.8 | 15 | 0.7 | 6 | |
chestnut | 0.0 | . | 0.0 | 90 | 0.0 | . | 0.1 | 50 | 5.2 | 11 | 0.7 | 10 | |
other broadleaves | 1.1 | 13 | 1.4 | 9 | 0.6 | 11 | 1.2 | 8 | 4.1 | 7 | 1.5 | 4 | |
total | 31.7 | 2 | 29.4 | 2 | 36.4 | 2 | 31.4 | 1 | 28.9 | 2 | 31.7 | 1 |
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