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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 | -1.0 | 19 | -0.2 | 250 | 0.4 | 143 | -0.1 | 897 | 0.8 | 65 | 0.2 | 131 | -0.5 | 30 |
fir | 0.2 | 58 | 0.5 | 56 | 0.4 | 66 | -0.0 | 441 | 0.0 | 250 | 0.1 | 58 | 0.2 | 37 | |
pine | -0.2 | 20 | 0.1 | 75 | -0.0 | 151 | -0.1 | 160 | -0.1 | 111 | -0.0 | 145 | -0.1 | 22 | |
larch | 0.0 | 247 | 0.0 | 191 | 0.0 | 68 | 0.5 | 103 | 0.2 | 51 | 0.4 | 39 | 0.1 | 46 | |
stone pine | . | . | . | . | 0.0 | 71 | 0.1 | 149 | 0.0 | 1099 | 0.0 | 71 | 0.0 | 162 | |
other conifers | 0.0 | 49 | 0.0 | 59 | 0.0 | 69 | 0.0 | 131 | 0.0 | 187 | . | . | 0.0 | 43 | |
beech | 0.0 | 479 | -0.0 | 9872 | 0.2 | 119 | -0.0 | 376 | -0.0 | 590 | 0.3 | 42 | 0.0 | 181 | |
maple | 0.1 | 26 | 0.2 | 20 | 0.3 | 39 | 0.1 | 61 | 0.0 | 77 | 0.1 | 45 | 0.1 | 17 | |
ash | 0.0 | 144 | 0.0 | 751 | -0.3 | 105 | 0.1 | 123 | 0.0 | 90 | 0.3 | 38 | 0.0 | 630 | |
oak | -0.1 | 51 | -0.0 | 89 | 0.0 | 48 | 0.1 | 89 | 0.0 | 63 | -0.1 | 131 | -0.1 | 54 | |
chestnut | 0.0 | 251 | 0.0 | 100 | . | . | 0.0 | 100 | . | . | 0.0 | 1232 | 0.0 | 374 | |
other broadleaves | 0.0 | 148 | 0.0 | 268 | -0.1 | 147 | -0.0 | 564 | 0.0 | 223 | 0.6 | 58 | 0.0 | 109 | |
total | -0.8 | 38 | 0.5 | 139 | 0.9 | 117 | 0.6 | 183 | 1.0 | 64 | 2.0 | 27 | -0.2 | 152 | |
inside perimeter | spruce | -1.4 | 118 | -1.4 | 172 | 0.5 | 176 | 1.0 | 44 | 1.3 | 117 | 0.3 | 71 | 0.2 | 286 |
fir | 0.1 | 81 | 0.2 | 105 | 0.4 | 109 | -0.6 | 76 | 0.1 | 56 | 0.1 | 71 | 0.0 | 384 | |
pine | -0.1 | 235 | -0.1 | 201 | -0.0 | 175 | -0.0 | 463 | -0.4 | 133 | 0.1 | 99 | -0.0 | 173 | |
larch | 0.1 | 98 | 0.0 | 98 | 0.1 | 190 | -0.5 | 158 | 0.1 | 84 | 0.3 | 88 | 0.0 | 701 | |
stone pine | . | . | 0.0 | 98 | . | . | 0.2 | 96 | -0.1 | 113 | . | . | 0.0 | 107 | |
other conifers | . | . | . | . | 0.0 | 68 | . | . | . | . | . | . | 0.0 | 70 | |
beech | -0.4 | 366 | 0.3 | 267 | -0.8 | 132 | 0.1 | 398 | 0.0 | 139 | 0.7 | 45 | 0.1 | 475 | |
maple | -0.3 | 106 | -0.0 | 1088 | 0.6 | 38 | -0.2 | 90 | . | . | 0.2 | 53 | 0.1 | 78 | |
ash | -0.9 | 64 | 0.4 | 74 | 0.1 | 110 | 0.2 | 68 | . | . | 0.4 | 77 | 0.1 | 111 | |
oak | -0.5 | 98 | 0.1 | 98 | -0.2 | 99 | 0.1 | 69 | . | . | -0.1 | 78 | -0.1 | 75 | |
chestnut | . | . | . | . | . | . | 0.0 | 88 | . | . | -0.5 | 148 | -0.1 | 152 | |
other broadleaves | -0.7 | 100 | 0.2 | 47 | 0.6 | 59 | -0.2 | 162 | . | . | 0.3 | 115 | 0.1 | 154 | |
total | -4.2 | 83 | -0.2 | 1088 | 1.3 | 125 | 0.1 | 1715 | 1.1 | 139 | 1.7 | 55 | 0.3 | 216 | |
outside perimeter | spruce | -0.6 | 48 | 0.2 | 209 | -0.2 | 259 | 0.3 | 89 | 1.3 | 46 | 0.4 | 52 | 0.3 | 59 |
fir | -0.0 | 3106 | 0.2 | 89 | 0.4 | 50 | 0.2 | 38 | 0.1 | 34 | -0.0 | 432 | 0.2 | 42 | |
pine | -0.0 | 13851 | -0.0 | 136 | 0.0 | 82 | -0.2 | 68 | -0.1 | 118 | -0.0 | 195 | -0.0 | 62 | |
larch | -0.0 | 313 | -0.0 | 408 | -0.0 | 99 | 0.6 | 27 | 0.5 | 79 | 0.2 | 30 | 0.2 | 32 | |
stone pine | . | . | 0.0 | 100 | . | . | 0.1 | 39 | 0.1 | 53 | 0.0 | 100 | 0.0 | 34 | |
other conifers | 0.1 | 47 | 0.0 | 47 | 0.0 | 42 | -0.0 | 132 | -0.0 | 107 | 0.0 | 87 | 0.0 | 41 | |
beech | -0.1 | 705 | 0.0 | 512 | -0.1 | 280 | 0.1 | 40 | 0.1 | 28 | 0.5 | 67 | 0.1 | 94 | |
maple | 0.1 | 68 | 0.2 | 22 | 0.2 | 60 | 0.1 | 28 | 0.1 | 37 | 0.1 | 42 | 0.1 | 19 | |
ash | 0.1 | 216 | 0.0 | 258 | 0.1 | 61 | 0.1 | 39 | 0.0 | 68 | 0.1 | 48 | 0.1 | 46 | |
oak | 0.1 | 71 | 0.0 | 336 | -0.0 | 565 | 0.0 | 75 | 0.0 | 67 | 0.0 | 171 | 0.0 | 56 | |
chestnut | . | . | . | . | . | . | 0.0 | 71 | 0.0 | 100 | 0.3 | 59 | 0.1 | 59 | |
other broadleaves | 0.1 | 61 | -0.1 | 49 | -0.0 | 174 | -0.0 | 358 | 0.1 | 63 | -0.0 | 1033 | -0.0 | 262 | |
total | -0.3 | 291 | 0.6 | 100 | 0.4 | 213 | 1.3 | 33 | 2.3 | 39 | 1.5 | 29 | 1.0 | 26 | |
total | spruce | -0.9 | 17 | -0.0 | 5121 | 0.1 | 306 | 0.3 | 95 | 1.1 | 37 | 0.4 | 46 | -0.2 | 73 |
fir | 0.2 | 61 | 0.3 | 48 | 0.4 | 39 | 0.1 | 65 | 0.1 | 41 | 0.0 | 255 | 0.2 | 28 | |
pine | -0.2 | 20 | 0.0 | 280 | 0.0 | 169 | -0.2 | 62 | -0.1 | 74 | -0.0 | 242 | -0.1 | 21 | |
larch | 0.0 | 240 | 0.0 | 378 | -0.0 | 628 | 0.5 | 36 | 0.4 | 60 | 0.3 | 24 | 0.1 | 26 | |
stone pine | . | . | 0.0 | 82 | 0.0 | 71 | 0.1 | 49 | 0.1 | 122 | 0.0 | 61 | 0.0 | 53 | |
other conifers | 0.0 | 39 | 0.0 | 37 | 0.0 | 37 | -0.0 | 292 | -0.0 | 597 | 0.0 | 87 | 0.0 | 33 | |
beech | 0.0 | 1448 | 0.0 | 490 | -0.0 | 1070 | 0.1 | 52 | 0.1 | 56 | 0.5 | 52 | 0.1 | 85 | |
maple | 0.1 | 25 | 0.2 | 16 | 0.3 | 31 | 0.1 | 33 | 0.0 | 33 | 0.1 | 28 | 0.1 | 13 | |
ash | 0.0 | 159 | 0.0 | 174 | -0.1 | 232 | 0.1 | 37 | 0.0 | 55 | 0.1 | 29 | 0.0 | 76 | |
oak | -0.1 | 53 | -0.0 | 136 | -0.0 | 207 | 0.1 | 53 | 0.0 | 47 | -0.0 | 648 | -0.0 | 65 | |
chestnut | 0.0 | 251 | 0.0 | 100 | . | . | 0.0 | 62 | 0.0 | 100 | 0.2 | 83 | 0.0 | 79 | |
other broadleaves | 0.0 | 122 | -0.0 | 87 | -0.0 | 204 | -0.0 | 202 | 0.1 | 75 | 0.1 | 96 | 0.0 | 153 | |
total | -0.8 | 36 | 0.6 | 83 | 0.7 | 94 | 1.0 | 39 | 1.7 | 33 | 1.6 | 22 | 0.4 | 50 |
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