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production region | |||||||||||||
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Jura | Plateau | Pre-Alps | Alps | Southern Alps | Switzerland | ||||||||
rockfall SilvaProtect | main tree species | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % |
n/a | spruce | 9.1 | 6 | 9.6 | 6 | 22.4 | 6 | 14.8 | 6 | 5.4 | 22 | 12.4 | 3 |
fir | 6.1 | 8 | 4.9 | 8 | 6.5 | 10 | 1.0 | 24 | 0.9 | 70 | 4.5 | 5 | |
pine | 1.1 | 19 | 1.0 | 14 | 0.6 | 59 | 1.9 | 16 | 0.4 | 77 | 1.1 | 10 | |
larch | 0.1 | 34 | 0.4 | 21 | 0.1 | 56 | 3.9 | 12 | 4.4 | 19 | 1.2 | 10 | |
stone pine | . | . | . | . | . | . | 1.1 | 20 | 0.0 | 100 | 0.2 | 20 | |
other conifers | 0.2 | 48 | 0.4 | 30 | 0.0 | 71 | 0.1 | 35 | . | . | 0.2 | 23 | |
beech | 9.6 | 6 | 7.2 | 6 | 4.8 | 12 | 1.7 | 18 | 1.1 | 33 | 5.9 | 4 | |
maple | 1.4 | 10 | 1.1 | 11 | 1.6 | 17 | 0.6 | 21 | 0.1 | 56 | 1.1 | 7 | |
ash | 1.1 | 13 | 2.2 | 11 | 1.4 | 23 | 0.6 | 30 | 0.4 | 58 | 1.4 | 8 | |
oak | 1.0 | 19 | 1.5 | 14 | 0.1 | 42 | 0.2 | 35 | 0.4 | 57 | 0.8 | 11 | |
chestnut | . | . | 0.0 | 80 | . | . | 0.1 | 95 | 2.3 | 32 | 0.1 | 33 | |
other broadleaves | 1.0 | 16 | 1.5 | 13 | 0.7 | 23 | 1.3 | 21 | 5.0 | 21 | 1.4 | 8 | |
total | 30.7 | 2 | 30.1 | 2 | 38.1 | 4 | 27.2 | 4 | 20.4 | 9 | 30.4 | 2 | |
inside perimeter | spruce | 8.9 | 43 | 0.8 | . | 7.5 | 60 | 16.4 | 16 | 7.7 | 33 | 12.6 | 14 |
fir | 1.7 | 41 | . | . | 3.0 | 46 | 2.5 | 36 | 0.1 | 99 | 1.8 | 30 | |
pine | 1.8 | 94 | . | . | 0.8 | 94 | 2.8 | 40 | . | . | 1.8 | 37 | |
larch | . | . | . | . | . | . | 2.6 | 30 | 2.6 | 57 | 2.2 | 28 | |
stone pine | . | . | . | . | . | . | 0.8 | 81 | . | . | 0.5 | 81 | |
other conifers | . | . | . | . | 0.1 | 94 | 0.1 | 99 | . | . | 0.0 | 86 | |
beech | 16.3 | 30 | . | . | 17.9 | 30 | 3.5 | 28 | 2.2 | 56 | 5.2 | 19 | |
maple | 2.2 | 45 | . | . | 0.9 | 64 | 0.9 | 30 | 0.5 | 63 | 0.9 | 23 | |
ash | 0.5 | 94 | . | . | 1.9 | 73 | 1.5 | 43 | 1.9 | 72 | 1.5 | 35 | |
oak | 0.3 | 94 | . | . | 0.0 | . | 0.0 | 99 | 0.5 | 70 | 0.2 | 55 | |
chestnut | . | . | . | . | . | . | 0.4 | 63 | 8.1 | 51 | 2.5 | 49 | |
other broadleaves | 0.1 | 94 | 1.1 | . | 1.1 | 64 | 2.1 | 32 | 7.1 | 28 | 3.2 | 22 | |
total | 31.9 | 11 | 1.9 | . | 33.1 | 17 | 33.6 | 8 | 30.6 | 13 | 32.3 | 6 | |
outside perimeter | spruce | 6.6 | 16 | 6.1 | 27 | 18.6 | 6 | 18.6 | 4 | 8.2 | 12 | 14.9 | 3 |
fir | 8.9 | 14 | 6.0 | 23 | 7.5 | 9 | 2.1 | 13 | 1.1 | 25 | 3.8 | 6 | |
pine | 1.1 | 32 | 0.6 | 54 | 0.2 | 55 | 1.3 | 16 | 0.1 | 53 | 0.7 | 14 | |
larch | . | . | 0.3 | 78 | 0.1 | 50 | 4.8 | 10 | 4.8 | 12 | 3.2 | 8 | |
stone pine | . | . | . | . | . | . | 0.9 | 20 | . | . | 0.4 | 20 | |
other conifers | 0.1 | 61 | 0.2 | 63 | 0.1 | 57 | 0.1 | 52 | 0.0 | 100 | 0.1 | 31 | |
beech | 11.6 | 9 | 11.0 | 14 | 7.3 | 9 | 2.4 | 13 | 5.5 | 12 | 5.2 | 5 | |
maple | 2.4 | 17 | 2.1 | 33 | 1.8 | 12 | 1.1 | 13 | 0.3 | 31 | 1.2 | 7 | |
ash | 1.3 | 37 | 5.6 | 25 | 1.3 | 17 | 0.6 | 20 | 0.4 | 27 | 1.0 | 11 | |
oak | 0.5 | 48 | 1.5 | 38 | 0.1 | 56 | 0.2 | 36 | 0.9 | 21 | 0.4 | 15 | |
chestnut | . | . | . | . | . | . | 0.0 | 71 | 5.4 | 15 | 1.2 | 15 | |
other broadleaves | 0.9 | 23 | 1.0 | 35 | 0.7 | 17 | 1.2 | 12 | 3.2 | 12 | 1.5 | 7 | |
total | 33.3 | 4 | 34.4 | 8 | 37.7 | 3 | 33.3 | 2 | 30.0 | 4 | 33.6 | 2 | |
total | spruce | 8.7 | 6 | 9.4 | 6 | 20.3 | 4 | 17.0 | 4 | 7.6 | 10 | 13.5 | 2 |
fir | 6.6 | 7 | 5.0 | 8 | 7.0 | 7 | 1.7 | 11 | 1.0 | 24 | 4.1 | 4 | |
pine | 1.1 | 16 | 1.0 | 13 | 0.4 | 45 | 1.6 | 11 | 0.1 | 48 | 1.0 | 8 | |
larch | 0.1 | 34 | 0.4 | 20 | 0.1 | 38 | 4.3 | 7 | 4.5 | 10 | 2.0 | 6 | |
stone pine | . | . | . | . | . | . | 0.9 | 14 | 0.0 | 100 | 0.3 | 14 | |
other conifers | 0.2 | 45 | 0.4 | 29 | 0.0 | 52 | 0.1 | 31 | 0.0 | 100 | 0.1 | 20 | |
beech | 10.0 | 5 | 7.5 | 5 | 6.2 | 7 | 2.2 | 10 | 4.3 | 11 | 5.6 | 3 | |
maple | 1.6 | 8 | 1.2 | 10 | 1.7 | 10 | 0.9 | 11 | 0.3 | 27 | 1.1 | 5 | |
ash | 1.2 | 13 | 2.5 | 10 | 1.4 | 14 | 0.7 | 16 | 0.5 | 28 | 1.2 | 6 | |
oak | 0.9 | 18 | 1.5 | 13 | 0.1 | 34 | 0.2 | 25 | 0.8 | 19 | 0.6 | 9 | |
chestnut | . | . | 0.0 | 80 | . | . | 0.1 | 54 | 4.9 | 13 | 0.7 | 13 | |
other broadleaves | 0.9 | 14 | 1.5 | 12 | 0.7 | 14 | 1.3 | 11 | 3.9 | 10 | 1.5 | 5 | |
total | 31.2 | 2 | 30.3 | 2 | 37.8 | 2 | 31.0 | 2 | 28.0 | 3 | 31.8 | 1 |
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