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protection forest region | |||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | |||||||||
rockfall SilvaProtect | main tree species | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % |
n/a | spruce | 10.2 | 3 | 19.8 | 5 | 19.9 | 6 | 6.6 | 15 | 14.9 | 6 | 4.0 | 18 | 12.4 | 2 |
fir | 5.2 | 4 | 5.3 | 9 | 3.8 | 12 | 0.3 | 45 | 0.5 | 29 | 0.5 | 58 | 4.1 | 4 | |
pine | 1.2 | 8 | 0.5 | 35 | 0.4 | 34 | 1.8 | 23 | 3.1 | 13 | 0.7 | 44 | 1.2 | 6 | |
larch | 0.3 | 15 | 0.3 | 34 | 0.2 | 38 | 6.9 | 12 | 3.9 | 11 | 3.7 | 14 | 1.2 | 6 | |
stone pine | 0.0 | . | 0.0 | 59 | 0.1 | 58 | 1.1 | 27 | 1.6 | 18 | 0.1 | 55 | 0.2 | 15 | |
other conifers | 0.3 | 18 | 0.0 | 68 | 0.0 | 55 | 0.0 | 74 | 0.1 | 40 | 0.0 | 100 | 0.2 | 17 | |
beech | 8.1 | 3 | 4.0 | 14 | 4.4 | 10 | 0.4 | 57 | 0.7 | 24 | 1.3 | 27 | 5.7 | 3 | |
maple | 1.2 | 5 | 1.1 | 17 | 1.1 | 15 | 0.2 | 36 | 0.1 | 41 | 0.5 | 35 | 1.0 | 5 | |
ash | 1.6 | 6 | 0.8 | 24 | 1.8 | 21 | 0.5 | 51 | 0.3 | 44 | 0.6 | 29 | 1.3 | 6 | |
oak | 1.5 | 8 | 0.2 | 39 | 0.3 | 39 | 0.4 | 30 | 0.2 | 65 | 0.5 | 36 | 1.0 | 7 | |
chestnut | 0.0 | 80 | 0.0 | 100 | 0.0 | . | 0.3 | 73 | 0.0 | . | 4.2 | 28 | 0.2 | 27 | |
other broadleaves | 1.2 | 8 | 0.8 | 24 | 1.0 | 21 | 1.6 | 20 | 0.8 | 22 | 3.8 | 15 | 1.2 | 6 | |
total | 30.9 | 1 | 32.9 | 4 | 33.1 | 4 | 20.1 | 7 | 26.2 | 4 | 19.8 | 7 | 29.7 | 1 | |
inside perimeter | spruce | 8.9 | 30 | 14.4 | 27 | 17.0 | 20 | 9.7 | 27 | 18.9 | 30 | 5.8 | 26 | 11.4 | 11 |
fir | 1.2 | 41 | 3.5 | 40 | 2.1 | 45 | 2.2 | 63 | 2.0 | 70 | 0.8 | 92 | 1.8 | 25 | |
pine | 3.5 | 55 | 0.6 | 68 | 1.4 | 57 | 2.3 | 50 | 6.5 | 43 | 1.0 | 90 | 2.1 | 25 | |
larch | 0.4 | 98 | 0.3 | 98 | 1.2 | 72 | 9.2 | 26 | 1.4 | 66 | 2.7 | 39 | 2.9 | 21 | |
stone pine | 0.0 | . | 0.1 | 99 | 0.0 | . | 1.9 | 56 | 3.3 | 67 | 0.0 | . | 0.7 | 44 | |
other conifers | 0.0 | . | 0.2 | 98 | 0.1 | 99 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 74 | |
beech | 17.8 | 18 | 10.6 | 22 | 8.3 | 30 | 1.3 | 41 | 1.6 | 67 | 2.7 | 29 | 5.9 | 13 | |
maple | 1.9 | 39 | 1.2 | 34 | 1.2 | 28 | 0.2 | 72 | 0.0 | 98 | 0.4 | 36 | 0.7 | 18 | |
ash | 1.1 | 70 | 1.7 | 55 | 2.0 | 40 | 0.4 | 40 | 0.0 | . | 1.1 | 47 | 1.1 | 24 | |
oak | 0.7 | 91 | 0.0 | 98 | 0.2 | 99 | 0.4 | 77 | 0.0 | . | 1.0 | 47 | 0.5 | 35 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 63 | 0.0 | . | 7.8 | 33 | 2.4 | 33 | |
other broadleaves | 1.4 | 55 | 1.5 | 59 | 1.2 | 47 | 2.1 | 35 | 0.0 | . | 5.4 | 20 | 2.6 | 16 | |
total | 36.8 | 7 | 34.1 | 11 | 34.7 | 11 | 30.3 | 10 | 33.6 | 16 | 28.6 | 9 | 32.1 | 5 | |
outside perimeter | spruce | 6.8 | 10 | 18.2 | 4 | 16.8 | 6 | 15.1 | 6 | 21.6 | 4 | 7.5 | 8 | 14.4 | 2 |
fir | 6.9 | 9 | 7.0 | 7 | 5.7 | 8 | 1.2 | 21 | 1.0 | 19 | 1.1 | 17 | 3.7 | 4 | |
pine | 1.1 | 26 | 0.2 | 35 | 0.6 | 33 | 2.5 | 14 | 1.0 | 19 | 0.2 | 57 | 0.8 | 10 | |
larch | 0.1 | 58 | 0.1 | 41 | 0.5 | 32 | 9.0 | 8 | 4.4 | 10 | 3.9 | 9 | 3.0 | 5 | |
stone pine | 0.0 | . | 0.1 | 100 | 0.0 | 100 | 1.4 | 18 | 1.2 | 20 | 0.0 | . | 0.4 | 13 | |
other conifers | 0.2 | 45 | 0.1 | 51 | 0.1 | 31 | 0.0 | 91 | 0.1 | 46 | 0.0 | 72 | 0.1 | 23 | |
beech | 11.7 | 6 | 5.5 | 8 | 7.7 | 8 | 0.8 | 22 | 0.9 | 26 | 5.7 | 11 | 5.1 | 4 | |
maple | 2.1 | 11 | 1.5 | 9 | 2.5 | 11 | 0.3 | 21 | 0.3 | 26 | 0.3 | 23 | 1.1 | 6 | |
ash | 2.6 | 14 | 0.7 | 15 | 1.6 | 14 | 0.3 | 28 | 0.2 | 38 | 0.6 | 19 | 0.9 | 7 | |
oak | 0.7 | 25 | 0.2 | 36 | 0.2 | 40 | 0.2 | 35 | 0.1 | 65 | 0.9 | 20 | 0.4 | 13 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 82 | 0.0 | 100 | 4.7 | 10 | 1.1 | 10 | |
other broadleaves | 0.9 | 14 | 0.9 | 14 | 1.1 | 14 | 1.3 | 14 | 0.8 | 22 | 3.6 | 8 | 1.6 | 5 | |
total | 33.2 | 3 | 34.3 | 2 | 36.7 | 3 | 32.3 | 3 | 31.6 | 3 | 28.4 | 3 | 32.5 | 1 | |
total | spruce | 9.8 | 3 | 18.8 | 3 | 18.2 | 4 | 12.1 | 5 | 18.5 | 3 | 6.6 | 7 | 13.2 | 2 |
fir | 5.4 | 4 | 6.1 | 5 | 4.7 | 7 | 1.0 | 19 | 0.8 | 15 | 1.0 | 16 | 3.9 | 3 | |
pine | 1.2 | 7 | 0.4 | 26 | 0.6 | 23 | 2.3 | 11 | 2.1 | 11 | 0.3 | 34 | 1.1 | 5 | |
larch | 0.3 | 14 | 0.2 | 26 | 0.4 | 24 | 8.3 | 6 | 4.1 | 7 | 3.8 | 7 | 2.0 | 4 | |
stone pine | 0.0 | . | 0.1 | 60 | 0.1 | 51 | 1.4 | 14 | 1.4 | 13 | 0.0 | 56 | 0.3 | 10 | |
other conifers | 0.3 | 17 | 0.1 | 41 | 0.1 | 26 | 0.0 | 60 | 0.1 | 30 | 0.0 | 65 | 0.1 | 14 | |
beech | 8.6 | 3 | 4.9 | 7 | 6.2 | 6 | 0.7 | 18 | 0.8 | 17 | 4.6 | 10 | 5.4 | 2 | |
maple | 1.4 | 5 | 1.3 | 8 | 1.8 | 9 | 0.3 | 17 | 0.2 | 22 | 0.3 | 18 | 1.0 | 4 | |
ash | 1.7 | 6 | 0.8 | 13 | 1.7 | 12 | 0.4 | 27 | 0.3 | 29 | 0.6 | 15 | 1.1 | 5 | |
oak | 1.4 | 8 | 0.2 | 26 | 0.2 | 27 | 0.3 | 22 | 0.1 | 48 | 0.8 | 17 | 0.7 | 6 | |
chestnut | 0.0 | 80 | 0.0 | 100 | 0.0 | . | 0.1 | 49 | 0.0 | 100 | 4.8 | 10 | 0.6 | 9 | |
other broadleaves | 1.2 | 7 | 0.9 | 13 | 1.1 | 12 | 1.5 | 11 | 0.8 | 16 | 3.8 | 6 | 1.4 | 4 | |
total | 31.2 | 1 | 33.7 | 2 | 35.0 | 2 | 28.3 | 3 | 29.2 | 2 | 26.6 | 2 | 30.9 | 1 |
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