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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 | 11.6 | 3 | 21.4 | 5 | 21.0 | 6 | 6.4 | 15 | 15.0 | 6 | 4.6 | 20 | 13.7 | 2 |
fir | 5.0 | 4 | 6.0 | 8 | 3.5 | 13 | 0.6 | 59 | 0.5 | 27 | 0.5 | 66 | 4.2 | 4 | |
pine | 1.3 | 7 | 0.6 | 35 | 0.4 | 31 | 2.1 | 23 | 3.6 | 13 | 0.7 | 50 | 1.3 | 6 | |
larch | 0.3 | 15 | 0.2 | 35 | 0.1 | 38 | 6.3 | 13 | 3.6 | 11 | 2.9 | 16 | 1.0 | 7 | |
stone pine | 0.0 | . | 0.0 | . | 0.1 | 71 | 1.5 | 27 | 1.6 | 20 | 0.0 | 83 | 0.2 | 16 | |
other conifers | 0.2 | 19 | 0.0 | 73 | 0.0 | 44 | 0.1 | 93 | 0.1 | 45 | 0.0 | 100 | 0.1 | 17 | |
beech | 8.0 | 3 | 3.9 | 13 | 4.2 | 11 | 0.4 | 60 | 0.7 | 25 | 1.1 | 35 | 5.8 | 3 | |
maple | 1.0 | 6 | 0.9 | 15 | 1.2 | 14 | 0.1 | 46 | 0.1 | 48 | 0.4 | 38 | 0.8 | 5 | |
ash | 1.3 | 7 | 0.7 | 23 | 1.2 | 19 | 0.4 | 41 | 0.1 | 46 | 0.5 | 35 | 1.0 | 6 | |
oak | 1.5 | 7 | 0.2 | 41 | 0.2 | 36 | 0.3 | 30 | 0.2 | 72 | 0.6 | 36 | 1.0 | 7 | |
chestnut | 0.0 | 82 | 0.0 | . | 0.0 | . | 0.3 | 91 | 0.0 | 100 | 4.9 | 28 | 0.2 | 26 | |
other broadleaves | 1.1 | 7 | 0.9 | 20 | 1.0 | 17 | 1.5 | 27 | 0.7 | 26 | 3.4 | 16 | 1.2 | 6 | |
total | 31.4 | 1 | 34.9 | 3 | 33.0 | 4 | 19.9 | 7 | 26.2 | 4 | 19.5 | 8 | 30.5 | 1 | |
inside perimeter | spruce | 6.0 | 35 | 13.4 | 28 | 17.3 | 18 | 8.4 | 29 | 19.3 | 24 | 4.4 | 34 | 10.5 | 11 |
fir | 2.3 | 57 | 1.0 | 48 | 1.9 | 41 | 2.4 | 53 | 2.1 | 71 | 0.8 | 99 | 1.6 | 26 | |
pine | 4.2 | 47 | 0.8 | 47 | 1.5 | 58 | 2.4 | 45 | 6.0 | 47 | 0.9 | 99 | 2.1 | 24 | |
larch | 0.5 | 98 | 0.8 | 73 | 1.1 | 70 | 7.3 | 29 | 1.7 | 59 | 2.2 | 42 | 2.6 | 21 | |
stone pine | 0.0 | . | 0.1 | 98 | 0.0 | . | 0.2 | 67 | 4.9 | 54 | 0.0 | . | 0.5 | 54 | |
other conifers | 0.1 | 98 | 0.0 | . | 0.1 | 69 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 58 | |
beech | 16.4 | 18 | 11.3 | 24 | 8.2 | 29 | 1.1 | 38 | 1.5 | 68 | 2.2 | 33 | 5.9 | 14 | |
maple | 2.8 | 39 | 1.4 | 30 | 1.2 | 27 | 0.1 | 70 | 0.0 | . | 0.4 | 50 | 0.9 | 20 | |
ash | 0.4 | 57 | 0.8 | 91 | 1.9 | 35 | 0.2 | 40 | 0.0 | . | 0.7 | 38 | 0.7 | 25 | |
oak | 0.0 | 98 | 0.0 | 98 | 0.3 | 99 | 0.4 | 64 | 0.0 | . | 0.5 | 54 | 0.3 | 38 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.8 | 60 | 0.0 | . | 8.5 | 34 | 2.5 | 34 | |
other broadleaves | 1.1 | 50 | 1.5 | 64 | 1.2 | 35 | 1.8 | 43 | 0.0 | 97 | 5.4 | 19 | 2.4 | 16 | |
total | 33.8 | 8 | 31.2 | 12 | 34.6 | 10 | 25.2 | 12 | 35.6 | 11 | 26.0 | 11 | 30.0 | 5 | |
outside perimeter | spruce | 7.4 | 8 | 20.4 | 4 | 17.6 | 6 | 14.0 | 6 | 20.6 | 4 | 7.1 | 8 | 14.7 | 2 |
fir | 6.2 | 9 | 6.6 | 7 | 5.1 | 9 | 1.2 | 20 | 1.0 | 20 | 0.9 | 20 | 3.4 | 4 | |
pine | 1.1 | 26 | 0.2 | 37 | 0.7 | 29 | 2.7 | 14 | 0.9 | 20 | 0.2 | 51 | 0.9 | 10 | |
larch | 0.1 | 63 | 0.2 | 36 | 0.4 | 31 | 8.5 | 8 | 3.9 | 10 | 3.6 | 9 | 2.8 | 5 | |
stone pine | 0.0 | . | 0.0 | 94 | 0.0 | . | 1.3 | 18 | 1.3 | 19 | 0.0 | . | 0.4 | 13 | |
other conifers | 0.1 | 49 | 0.0 | 54 | 0.0 | 43 | 0.0 | 71 | 0.1 | 54 | 0.0 | 100 | 0.0 | 26 | |
beech | 11.1 | 6 | 5.5 | 8 | 7.3 | 8 | 0.7 | 23 | 0.8 | 28 | 5.0 | 12 | 4.8 | 4 | |
maple | 1.7 | 12 | 1.3 | 10 | 2.0 | 12 | 0.2 | 25 | 0.2 | 31 | 0.2 | 33 | 0.9 | 6 | |
ash | 2.6 | 14 | 0.6 | 16 | 1.2 | 14 | 0.2 | 28 | 0.2 | 50 | 0.4 | 20 | 0.8 | 8 | |
oak | 0.5 | 24 | 0.2 | 34 | 0.1 | 48 | 0.1 | 36 | 0.1 | 63 | 0.8 | 19 | 0.3 | 13 | |
chestnut | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 71 | 0.0 | 100 | 4.9 | 10 | 1.1 | 11 | |
other broadleaves | 0.8 | 14 | 0.9 | 14 | 1.0 | 14 | 1.0 | 15 | 0.6 | 20 | 3.0 | 8 | 1.3 | 5 | |
total | 31.7 | 3 | 35.9 | 2 | 35.5 | 3 | 30.0 | 3 | 29.7 | 3 | 26.0 | 3 | 31.4 | 1 | |
total | spruce | 11.0 | 3 | 20.7 | 3 | 19.1 | 4 | 11.6 | 5 | 18.2 | 3 | 6.4 | 7 | 14.0 | 1 |
fir | 5.1 | 4 | 6.2 | 5 | 4.2 | 7 | 1.1 | 18 | 0.8 | 16 | 0.8 | 19 | 3.8 | 3 | |
pine | 1.3 | 7 | 0.4 | 26 | 0.6 | 21 | 2.5 | 12 | 2.2 | 11 | 0.4 | 35 | 1.2 | 5 | |
larch | 0.3 | 15 | 0.2 | 24 | 0.3 | 25 | 7.8 | 6 | 3.7 | 7 | 3.4 | 7 | 1.8 | 4 | |
stone pine | 0.0 | . | 0.0 | 88 | 0.0 | 71 | 1.3 | 15 | 1.5 | 13 | 0.0 | 84 | 0.3 | 10 | |
other conifers | 0.2 | 18 | 0.0 | 43 | 0.0 | 28 | 0.0 | 85 | 0.1 | 35 | 0.0 | 73 | 0.1 | 14 | |
beech | 8.5 | 3 | 4.9 | 7 | 6.0 | 6 | 0.7 | 20 | 0.8 | 18 | 4.0 | 11 | 5.4 | 2 | |
maple | 1.1 | 5 | 1.1 | 8 | 1.6 | 9 | 0.2 | 22 | 0.1 | 26 | 0.2 | 23 | 0.9 | 4 | |
ash | 1.5 | 6 | 0.7 | 14 | 1.3 | 11 | 0.3 | 22 | 0.2 | 35 | 0.4 | 16 | 0.9 | 5 | |
oak | 1.4 | 7 | 0.2 | 27 | 0.2 | 28 | 0.2 | 23 | 0.1 | 53 | 0.7 | 16 | 0.7 | 6 | |
chestnut | 0.0 | 82 | 0.0 | . | 0.0 | . | 0.2 | 50 | 0.0 | 73 | 5.2 | 10 | 0.6 | 9 | |
other broadleaves | 1.1 | 7 | 0.9 | 12 | 1.0 | 10 | 1.2 | 13 | 0.7 | 16 | 3.2 | 7 | 1.3 | 4 | |
total | 31.4 | 1 | 35.4 | 2 | 34.4 | 2 | 27.0 | 3 | 28.3 | 2 | 24.8 | 3 | 30.9 | 1 |
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