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production region | |||||||||||||
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Jura | Plateau | Pre-Alps | Alps | Southern Alps | Switzerland | ||||||||
rockfall SilvaProtect | main tree species | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % | (m³/yr)/ha | ± % |
n/a | spruce | 2.8 | 11 | 4.5 | 8 | 3.7 | 18 | 2.7 | 16 | 1.7 | 37 | 3.5 | 6 |
fir | 2.0 | 12 | 2.2 | 12 | 2.4 | 18 | 0.3 | 50 | 0.3 | 74 | 1.7 | 8 | |
pine | 0.0 | 27943 | 0.1 | 50 | 0.1 | 68 | 0.1 | 90 | 0.0 | 71 | 0.1 | 52 | |
larch | -0.0 | 245 | 0.1 | 43 | 0.0 | 60 | 0.5 | 39 | 0.4 | 73 | 0.1 | 29 | |
stone pine | . | . | . | . | . | . | 0.2 | 44 | 0.0 | 99 | 0.0 | 43 | |
other conifers | 0.1 | 91 | 0.2 | 29 | 0.0 | 71 | -0.0 | 158 | . | . | 0.1 | 29 | |
beech | 2.0 | 17 | 2.6 | 9 | 1.2 | 22 | 0.2 | 86 | 0.4 | 44 | 1.7 | 8 | |
maple | 0.1 | 78 | 0.4 | 27 | 0.6 | 26 | 0.2 | 38 | 0.1 | 82 | 0.3 | 18 | |
ash | 0.6 | 19 | 0.8 | 21 | 0.1 | 205 | -0.0 | 1334 | 0.1 | 62 | 0.4 | 17 | |
oak | 0.3 | 30 | 0.4 | 28 | 0.1 | 55 | 0.0 | 52 | 0.1 | 110 | 0.2 | 19 | |
chestnut | . | . | -0.0 | 137 | . | . | 0.0 | 84 | -0.1 | 688 | 0.0 | 1285 | |
other broadleaves | 0.2 | 33 | 0.7 | 27 | 0.2 | 40 | 0.2 | 45 | 0.7 | 79 | 0.4 | 19 | |
total | 8.1 | 7 | 12.2 | 5 | 8.4 | 10 | 4.5 | 12 | 3.8 | 27 | 8.7 | 3 | |
inside perimeter | spruce | 2.9 | 77 | 4.6 | . | -2.3 | 76 | 2.4 | 45 | 2.1 | 56 | 2.0 | 36 |
fir | -2.3 | 101 | . | . | 0.2 | 368 | 1.0 | 51 | 0.0 | 98 | 0.4 | 90 | |
pine | -0.9 | 94 | . | . | 0.1 | 94 | -0.1 | 196 | . | . | -0.1 | 94 | |
larch | . | . | . | . | . | . | 0.2 | 88 | -0.3 | 86 | 0.1 | 243 | |
stone pine | . | . | . | . | . | . | -0.2 | 87 | . | . | -0.1 | 88 | |
other conifers | . | . | . | . | 0.1 | 94 | 0.0 | 99 | . | . | 0.0 | 70 | |
beech | 1.7 | 95 | 0.2 | . | 1.4 | 408 | -0.4 | 408 | 0.9 | 109 | 0.3 | 365 | |
maple | -1.1 | 129 | 1.3 | . | 0.1 | 74 | 0.1 | 173 | 0.1 | 92 | 0.0 | 828 | |
ash | 0.1 | 515 | 0.7 | . | 0.1 | 643 | 0.2 | 142 | 0.8 | 87 | 0.4 | 74 | |
oak | 0.1 | 94 | . | . | -1.5 | 94 | -0.0 | 99 | 0.1 | 120 | -0.1 | 124 | |
chestnut | . | . | . | . | . | . | 0.1 | 111 | 1.8 | 76 | 0.6 | 69 | |
other broadleaves | -0.4 | 94 | 0.7 | . | -0.0 | 20361 | 0.4 | 47 | 0.3 | 372 | 0.2 | 115 | |
total | 0.2 | 2691 | 7.6 | . | -1.9 | 381 | 3.8 | 54 | 5.8 | 39 | 3.7 | 41 | |
outside perimeter | spruce | 1.4 | 27 | 1.6 | 27 | 5.5 | 11 | 3.7 | 12 | 2.0 | 26 | 3.5 | 8 |
fir | 2.6 | 23 | 2.6 | 26 | 2.3 | 18 | 0.6 | 19 | 0.2 | 104 | 1.2 | 12 | |
pine | -0.1 | 85 | 0.0 | 69 | 0.0 | 210 | 0.0 | 3332 | 0.0 | 171 | -0.0 | 3198 | |
larch | . | . | 0.1 | 75 | 0.0 | 58 | 0.6 | 28 | 0.5 | 43 | 0.4 | 23 | |
stone pine | . | . | . | . | . | . | 0.0 | 150 | . | . | 0.0 | 150 | |
other conifers | -0.0 | 121 | 0.1 | 53 | -0.0 | 177 | 0.0 | 2644 | 0.0 | 100 | -0.0 | 1431 | |
beech | 3.0 | 21 | 3.5 | 20 | 1.5 | 21 | 0.8 | 21 | 0.7 | 67 | 1.2 | 13 | |
maple | 0.6 | 35 | -0.8 | 49 | 0.4 | 48 | 0.1 | 79 | 0.0 | 119 | 0.1 | 40 | |
ash | 0.1 | 130 | 1.4 | 44 | 0.4 | 23 | 0.3 | 59 | 0.2 | 59 | 0.3 | 24 | |
oak | 0.0 | 1164 | -0.4 | 67 | -0.0 | 109 | 0.0 | 102 | 0.2 | 43 | 0.0 | 75 | |
chestnut | . | . | . | . | . | . | 0.0 | 122 | 0.4 | 92 | 0.1 | 90 | |
other broadleaves | -0.0 | 309 | 0.2 | 100 | -0.1 | 104 | 0.2 | 55 | 0.3 | 70 | 0.1 | 59 | |
total | 7.5 | 13 | 8.2 | 17 | 10.0 | 8 | 6.3 | 9 | 4.6 | 19 | 7.0 | 5 | |
total | spruce | 2.6 | 10 | 4.3 | 7 | 4.6 | 10 | 3.2 | 9 | 1.9 | 21 | 3.4 | 5 |
fir | 2.0 | 11 | 2.2 | 11 | 2.3 | 13 | 0.6 | 18 | 0.2 | 80 | 1.5 | 6 | |
pine | -0.0 | 270 | 0.1 | 49 | 0.1 | 64 | 0.0 | 188 | 0.0 | 141 | 0.0 | 73 | |
larch | -0.0 | 245 | 0.1 | 41 | 0.0 | 43 | 0.5 | 22 | 0.5 | 41 | 0.2 | 18 | |
stone pine | . | . | . | . | . | . | 0.1 | 54 | 0.0 | 100 | 0.0 | 53 | |
other conifers | 0.0 | 106 | 0.2 | 28 | -0.0 | 273 | -0.0 | 189 | 0.0 | 100 | 0.1 | 30 | |
beech | 2.1 | 14 | 2.7 | 8 | 1.4 | 16 | 0.5 | 29 | 0.7 | 55 | 1.5 | 7 | |
maple | 0.2 | 50 | 0.3 | 35 | 0.5 | 25 | 0.1 | 39 | 0.0 | 74 | 0.2 | 17 | |
ash | 0.5 | 19 | 0.8 | 19 | 0.3 | 39 | 0.2 | 64 | 0.2 | 46 | 0.4 | 14 | |
oak | 0.2 | 30 | 0.3 | 32 | -0.0 | 788 | 0.0 | 62 | 0.2 | 40 | 0.1 | 20 | |
chestnut | . | . | -0.0 | 137 | . | . | 0.0 | 62 | 0.4 | 72 | 0.1 | 65 | |
other broadleaves | 0.2 | 39 | 0.7 | 27 | 0.0 | 335 | 0.2 | 33 | 0.4 | 55 | 0.3 | 19 | |
total | 7.8 | 6 | 11.8 | 4 | 9.1 | 7 | 5.5 | 7 | 4.6 | 15 | 7.8 | 3 |
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