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protection forest region | |||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | overall | |||||||||
rockfall SilvaProtect | main tree species | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % |
n/a | spruce | 5.1 | 9 | 3.3 | 21 | 4.3 | 42 | 0.0 | 99 | 1.7 | 32 | 0.7 | 99 | 4.1 | 8 |
fir | 2.0 | 14 | 1.4 | 32 | 0.6 | 56 | 0.0 | . | 0.0 | 100 | 0.0 | . | 1.5 | 13 | |
pine | 0.5 | 28 | 0.0 | 100 | 0.0 | . | 0.3 | 99 | 0.4 | 57 | 0.0 | . | 0.4 | 25 | |
larch | 0.1 | 51 | 0.0 | 100 | 0.0 | . | 0.2 | 99 | 0.1 | 62 | 0.0 | . | 0.1 | 38 | |
stone pine | . | . | . | . | . | . | 0.0 | . | 0.3 | 100 | 0.0 | . | 0.0 | 100 | |
other conifers | 0.1 | 84 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.1 | 84 | |
beech | 2.4 | 10 | 0.4 | 50 | 0.8 | 53 | 0.0 | . | 0.2 | 62 | 0.0 | . | 1.6 | 9 | |
maple | 0.3 | 24 | 0.0 | 81 | 0.1 | 109 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 23 | |
ash | 0.6 | 19 | 0.0 | 79 | 0.0 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 18 | |
oak | 0.3 | 21 | 0.0 | 100 | 0.2 | 100 | 0.0 | 99 | 0.0 | . | 0.2 | 99 | 0.2 | 20 | |
chestnut | 0.0 | 100 | 0.0 | . | . | . | 0.0 | . | . | . | 0.4 | 99 | 0.0 | 93 | |
other broadleaves | 0.3 | 25 | 0.1 | 92 | 0.0 | 100 | 0.1 | 99 | 0.0 | 70 | 0.3 | 75 | 0.2 | 22 | |
total | 11.6 | 6 | 5.3 | 18 | 6.0 | 35 | 0.6 | 62 | 2.7 | 29 | 1.6 | 56 | 8.6 | 6 | |
inside perimeter | spruce | 9.0 | 68 | 0.0 | . | 2.3 | 58 | 0.0 | . | 5.5 | 93 | 0.0 | . | 1.6 | 46 |
fir | 0.0 | . | 0.0 | . | 0.8 | 98 | 1.5 | 98 | 0.0 | . | 0.0 | . | 0.5 | 74 | |
pine | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.8 | 93 | . | . | 0.1 | 100 | |
larch | . | . | 0.0 | . | . | . | 0.8 | 98 | 0.0 | . | 0.0 | . | 0.2 | 100 | |
stone pine | . | . | 0.0 | . | . | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | |
other conifers | . | . | . | . | 0.0 | . | . | . | . | . | . | . | 0.0 | . | |
beech | 0.1 | 95 | 2.2 | 97 | 2.8 | 98 | 0.8 | 98 | 0.0 | . | 0.0 | . | 1.1 | 62 | |
maple | 1.6 | 95 | 0.0 | . | 0.0 | . | 0.4 | 98 | . | . | 0.0 | . | 0.2 | 72 | |
ash | 1.0 | 95 | 0.0 | . | 0.2 | 98 | 0.1 | 98 | . | . | 0.0 | . | 0.2 | 65 | |
oak | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | 0.0 | . | |
chestnut | . | . | . | . | . | . | 0.0 | . | . | . | 0.0 | . | 0.0 | . | |
other broadleaves | 0.1 | 95 | 0.0 | . | 0.0 | . | 0.7 | 93 | . | . | 0.0 | . | 0.2 | 90 | |
total | 11.8 | 72 | 2.2 | 97 | 6.1 | 51 | 4.4 | 58 | 6.3 | 80 | 0.0 | . | 4.0 | 32 | |
outside perimeter | spruce | 2.0 | 31 | 3.5 | 27 | 4.2 | 21 | 0.9 | 46 | 2.0 | 33 | 0.7 | 69 | 2.2 | 14 |
fir | 1.7 | 34 | 1.7 | 34 | 1.1 | 37 | 0.0 | 100 | 0.0 | . | 0.0 | 100 | 0.7 | 21 | |
pine | 0.1 | 83 | 0.2 | 89 | 0.0 | 100 | 0.0 | 100 | 0.1 | 83 | 0.1 | 100 | 0.1 | 51 | |
larch | 0.0 | 100 | 0.1 | 100 | 0.0 | . | 0.6 | 85 | 0.4 | 65 | 0.1 | 77 | 0.2 | 47 | |
stone pine | . | . | . | . | . | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | |
other conifers | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
beech | 2.2 | 36 | 0.9 | 48 | 1.2 | 45 | 0.0 | . | 0.0 | . | 0.0 | 100 | 0.6 | 25 | |
maple | 0.1 | 82 | 0.0 | 77 | 0.2 | 49 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 38 | |
ash | 0.2 | 66 | 0.0 | 100 | 0.2 | 58 | 0.0 | . | 0.0 | 100 | 0.0 | . | 0.1 | 40 | |
oak | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 100 | 0.0 | 100 | |
chestnut | . | . | . | . | . | . | 0.0 | . | 0.0 | . | 0.0 | 100 | 0.0 | 100 | |
other broadleaves | 0.0 | 74 | 0.1 | 58 | 0.1 | 52 | 0.0 | . | 0.0 | 100 | 0.0 | 74 | 0.0 | 32 | |
total | 6.3 | 19 | 6.5 | 22 | 7.0 | 18 | 1.4 | 43 | 2.5 | 28 | 1.0 | 51 | 4.0 | 11 | |
total | spruce | 4.8 | 9 | 3.3 | 18 | 4.1 | 21 | 0.6 | 46 | 1.9 | 23 | 0.6 | 59 | 3.2 | 7 |
fir | 2.0 | 13 | 1.5 | 24 | 0.9 | 30 | 0.1 | 98 | 0.0 | 100 | 0.0 | 100 | 1.1 | 11 | |
pine | 0.5 | 27 | 0.1 | 81 | 0.0 | 100 | 0.1 | 92 | 0.3 | 45 | 0.1 | 100 | 0.2 | 22 | |
larch | 0.1 | 49 | 0.1 | 90 | 0.0 | . | 0.5 | 69 | 0.3 | 53 | 0.0 | 77 | 0.1 | 32 | |
stone pine | . | . | 0.0 | . | . | . | 0.0 | . | 0.1 | 100 | 0.0 | . | 0.0 | 100 | |
other conifers | 0.1 | 84 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 84 | |
beech | 2.3 | 10 | 0.7 | 35 | 1.1 | 34 | 0.1 | 100 | 0.1 | 62 | 0.0 | 100 | 1.2 | 9 | |
maple | 0.2 | 23 | 0.0 | 57 | 0.1 | 45 | 0.0 | 100 | 0.0 | . | 0.0 | . | 0.1 | 20 | |
ash | 0.5 | 18 | 0.0 | 67 | 0.1 | 51 | 0.0 | 100 | 0.0 | 100 | 0.0 | . | 0.2 | 17 | |
oak | 0.3 | 21 | 0.0 | 100 | 0.1 | 100 | 0.0 | 100 | 0.0 | . | 0.1 | 74 | 0.1 | 20 | |
chestnut | 0.0 | 100 | 0.0 | . | . | . | 0.0 | . | 0.0 | . | 0.1 | 85 | 0.0 | 80 | |
other broadleaves | 0.2 | 25 | 0.1 | 59 | 0.1 | 48 | 0.1 | 72 | 0.0 | 58 | 0.1 | 56 | 0.1 | 20 | |
total | 10.9 | 6 | 5.9 | 15 | 6.5 | 17 | 1.5 | 32 | 2.7 | 20 | 1.0 | 40 | 6.6 | 5 |
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