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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 | 6 | 9.7 | 6 | 21.6 | 6 | 17.2 | 7 | 7.9 | 24 | 12.8 | 3 |
fir | 6.2 | 8 | 5.0 | 8 | 6.9 | 10 | 1.3 | 24 | 1.6 | 69 | 4.9 | 5 | |
pine | 1.1 | 19 | 1.0 | 14 | 0.6 | 59 | 2.2 | 17 | 0.5 | 99 | 1.2 | 10 | |
larch | 0.1 | 34 | 0.4 | 21 | 0.1 | 56 | 4.2 | 14 | 4.4 | 24 | 1.1 | 11 | |
stone pine | . | . | . | . | . | . | 1.3 | 21 | 0.1 | 99 | 0.2 | 21 | |
other conifers | 0.2 | 48 | 0.5 | 30 | 0.0 | 71 | 0.1 | 39 | . | . | 0.2 | 24 | |
beech | 9.4 | 6 | 7.3 | 6 | 5.1 | 12 | 2.0 | 19 | 1.6 | 35 | 6.4 | 4 | |
maple | 1.4 | 10 | 1.1 | 11 | 1.5 | 17 | 0.6 | 24 | 0.1 | 72 | 1.1 | 7 | |
ash | 1.2 | 13 | 2.3 | 11 | 1.5 | 23 | 0.7 | 33 | 0.7 | 57 | 1.5 | 8 | |
oak | 1.1 | 19 | 1.5 | 14 | 0.1 | 46 | 0.3 | 40 | 0.6 | 58 | 0.9 | 11 | |
chestnut | . | . | 0.0 | 80 | . | . | 0.0 | 100 | 3.3 | 33 | 0.1 | 35 | |
other broadleaves | 0.9 | 16 | 1.4 | 13 | 0.6 | 26 | 1.3 | 23 | 5.3 | 21 | 1.2 | 8 | |
total | 30.6 | 2 | 30.1 | 2 | 38.1 | 4 | 31.3 | 4 | 25.9 | 8 | 31.6 | 1 | |
inside perimeter | spruce | 12.1 | 27 | . | . | 22.1 | 14 | 21.6 | 7 | 23.1 | 18 | 21.4 | 6 |
fir | 13.8 | 26 | . | . | 4.6 | 29 | 3.5 | 20 | 2.1 | 46 | 4.0 | 14 | |
pine | 2.6 | 70 | . | . | 1.2 | 67 | 1.8 | 29 | 0.5 | 73 | 1.6 | 24 | |
larch | . | . | . | . | . | . | 5.5 | 19 | 9.3 | 23 | 4.9 | 16 | |
stone pine | . | . | . | . | . | . | 1.1 | 31 | . | . | 0.7 | 32 | |
other conifers | . | . | . | . | 0.0 | 99 | 0.0 | 90 | . | . | 0.0 | 81 | |
beech | 11.1 | 18 | . | . | 8.9 | 23 | 2.9 | 22 | 1.4 | 63 | 3.9 | 14 | |
maple | 1.4 | 58 | . | . | 1.8 | 36 | 0.7 | 26 | 0.1 | 99 | 0.8 | 20 | |
ash | 0.2 | 96 | . | . | 0.5 | 57 | 0.3 | 37 | 0.1 | 99 | 0.3 | 30 | |
oak | . | . | . | . | 0.1 | 99 | . | . | 0.0 | . | 0.0 | 100 | |
chestnut | . | . | . | . | . | . | . | . | . | . | . | . | |
other broadleaves | 0.6 | 56 | . | . | 0.1 | 75 | 0.6 | 28 | 1.5 | 65 | 0.6 | 28 | |
total | 41.8 | 6 | . | . | 39.3 | 8 | 38.0 | 4 | 37.9 | 8 | 38.4 | 3 | |
outside perimeter | spruce | 6.2 | 17 | 6.1 | 27 | 17.5 | 7 | 18.1 | 5 | 6.7 | 14 | 13.8 | 4 |
fir | 7.4 | 16 | 6.0 | 23 | 8.0 | 9 | 1.9 | 16 | 1.0 | 30 | 3.9 | 7 | |
pine | 1.0 | 32 | 0.6 | 54 | 0.1 | 67 | 1.4 | 19 | 0.0 | 71 | 0.7 | 16 | |
larch | . | . | 0.3 | 78 | 0.1 | 50 | 4.3 | 11 | 3.7 | 16 | 2.5 | 9 | |
stone pine | . | . | . | . | . | . | 0.6 | 28 | . | . | 0.2 | 28 | |
other conifers | 0.1 | 61 | 0.2 | 63 | 0.1 | 57 | 0.0 | 44 | 0.0 | 100 | 0.1 | 29 | |
beech | 12.3 | 10 | 10.8 | 15 | 7.5 | 10 | 2.7 | 13 | 6.4 | 12 | 5.9 | 6 | |
maple | 2.5 | 17 | 2.1 | 33 | 1.8 | 12 | 1.2 | 14 | 0.3 | 31 | 1.3 | 8 | |
ash | 1.4 | 39 | 5.6 | 25 | 1.4 | 16 | 0.8 | 21 | 0.6 | 33 | 1.2 | 11 | |
oak | 0.5 | 45 | 1.5 | 38 | 0.1 | 63 | 0.2 | 38 | 1.0 | 22 | 0.5 | 16 | |
chestnut | . | . | . | . | . | . | 0.1 | 47 | 7.3 | 14 | 1.7 | 14 | |
other broadleaves | 0.7 | 24 | 1.0 | 36 | 0.8 | 17 | 1.6 | 13 | 4.1 | 11 | 1.8 | 8 | |
total | 32.1 | 5 | 34.2 | 8 | 37.3 | 3 | 33.0 | 3 | 31.2 | 4 | 33.6 | 2 | |
total | spruce | 8.7 | 6 | 9.5 | 6 | 19.7 | 5 | 18.5 | 4 | 8.6 | 11 | 13.9 | 2 |
fir | 6.6 | 7 | 5.0 | 8 | 7.3 | 7 | 2.0 | 11 | 1.2 | 25 | 4.4 | 4 | |
pine | 1.1 | 16 | 1.0 | 13 | 0.4 | 45 | 1.7 | 12 | 0.2 | 54 | 1.0 | 8 | |
larch | 0.1 | 34 | 0.4 | 20 | 0.1 | 38 | 4.5 | 8 | 4.4 | 12 | 1.9 | 6 | |
stone pine | . | . | . | . | . | . | 1.0 | 15 | 0.0 | 100 | 0.3 | 15 | |
other conifers | 0.2 | 45 | 0.4 | 29 | 0.0 | 52 | 0.1 | 28 | 0.0 | 100 | 0.2 | 20 | |
beech | 10.0 | 5 | 7.6 | 5 | 6.5 | 7 | 2.5 | 10 | 5.1 | 12 | 6.0 | 3 | |
maple | 1.6 | 9 | 1.2 | 10 | 1.7 | 10 | 0.9 | 11 | 0.3 | 29 | 1.2 | 5 | |
ash | 1.2 | 13 | 2.5 | 10 | 1.4 | 14 | 0.7 | 17 | 0.6 | 29 | 1.3 | 6 | |
oak | 0.9 | 18 | 1.5 | 14 | 0.1 | 36 | 0.2 | 28 | 0.9 | 20 | 0.7 | 9 | |
chestnut | . | . | 0.0 | 80 | . | . | 0.1 | 45 | 5.9 | 13 | 0.7 | 13 | |
other broadleaves | 0.9 | 14 | 1.4 | 12 | 0.7 | 15 | 1.3 | 11 | 4.0 | 10 | 1.4 | 6 | |
total | 31.1 | 2 | 30.5 | 2 | 37.8 | 2 | 33.3 | 2 | 31.1 | 3 | 32.9 | 1 |
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