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| protection forest region | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | overall | |||||||||
| rockfall SilvaProtect | main tree species | 1000 m³/yr | ± % | 1000 m³/yr | ± % | 1000 m³/yr | ± % | 1000 m³/yr | ± % | 1000 m³/yr | ± % | 1000 m³/yr | ± % | 1000 m³/yr | ± % |
| n/a | spruce | 1546 | 6 | 416 | 13 | 302 | 15 | 44 | 37 | 167 | 24 | 46 | 36 | 2520 | 5 |
| fir | 844 | 8 | 184 | 20 | 82 | 26 | 3 | 58 | 25 | 51 | 7 | 75 | 1146 | 7 | |
| pine | 63 | 37 | 15 | 56 | 2 | 226 | 15 | 47 | 10 | 116 | 0 | 72 | 105 | 27 | |
| larch | 25 | 37 | 2 | 386 | 3 | 64 | 44 | 36 | 35 | 62 | 17 | 65 | 125 | 25 | |
| stone pine | . | . | . | . | . | . | 8 | 59 | 29 | 29 | 0 | 100 | 37 | 26 | |
| other conifers | 66 | 28 | 1 | 78 | 0 | 100 | -0 | 100 | 2 | 39 | . | . | 68 | 27 | |
| beech | 971 | 7 | 84 | 31 | 82 | 27 | -2 | 156 | -3 | 288 | 10 | 41 | 1141 | 7 | |
| maple | 132 | 21 | 52 | 29 | 22 | 35 | 4 | 57 | 5 | 54 | 2 | 72 | 216 | 15 | |
| ash | 276 | 14 | 10 | 151 | 11 | 155 | 2 | 531 | 5 | 48 | 2 | 63 | 305 | 15 | |
| oak | 127 | 19 | 5 | 57 | 3 | 88 | 3 | 57 | 1 | 100 | 2 | 58 | 140 | 18 | |
| chestnut | 0 | 88 | 1 | 100 | . | . | 2 | 100 | . | . | 19 | 69 | 22 | 60 | |
| other broadleaves | 241 | 18 | 22 | 36 | 13 | 49 | 15 | 33 | 20 | 52 | 37 | 40 | 349 | 14 | |
| total | 4289 | 4 | 789 | 10 | 521 | 12 | 138 | 20 | 296 | 18 | 141 | 21 | 6175 | 3 | |
| inside perimeter | spruce | 11 | 74 | 1 | 464 | 42 | 47 | 24 | 54 | 7 | 79 | 31 | 48 | 116 | 26 |
| fir | -8 | 106 | 4 | 104 | 11 | 63 | 12 | 100 | -0 | 574 | 0 | 100 | 20 | 86 | |
| pine | 0 | 100 | 0 | 100 | 0 | 82 | 1 | 97 | -2 | 131 | . | . | -0 | 1836 | |
| larch | . | . | 0 | 100 | . | . | 7 | 46 | 0 | 64 | -3 | 91 | 6 | 74 | |
| stone pine | . | . | -4 | 100 | . | . | 0 | 161 | -1 | 111 | . | . | -4 | 88 | |
| other conifers | . | . | . | . | 0 | 71 | . | . | . | . | . | . | 0 | 71 | |
| beech | 9 | 69 | -14 | 245 | 7 | 194 | 3 | 94 | 1 | 100 | 14 | 80 | 20 | 197 | |
| maple | -3 | 153 | 1 | 100 | 4 | 100 | 0 | 67 | . | . | 1 | 94 | 3 | 230 | |
| ash | 1 | 82 | 0 | 419 | 2 | 440 | 3 | 56 | . | . | 12 | 66 | 19 | 59 | |
| oak | 0 | 100 | -1 | 100 | 0 | 100 | . | . | . | . | 1 | 91 | 1 | 111 | |
| chestnut | . | . | . | . | . | . | 3 | 112 | . | . | 35 | 48 | 38 | 45 | |
| other broadleaves | 0 | 79 | 3 | 60 | 3 | 69 | 4 | 71 | . | . | 15 | 54 | 25 | 36 | |
| total | 12 | 155 | -9 | 375 | 70 | 41 | 58 | 34 | 6 | 81 | 107 | 27 | 243 | 25 | |
| outside perimeter | spruce | 92 | 19 | 646 | 11 | 313 | 16 | 212 | 23 | 392 | 15 | 234 | 20 | 1889 | 7 |
| fir | 163 | 16 | 235 | 19 | 138 | 16 | 30 | 40 | 20 | 36 | 42 | 33 | 629 | 10 | |
| pine | 4 | 52 | 0 | 820 | 2 | 57 | 31 | 67 | -11 | 63 | 5 | 89 | 31 | 72 | |
| larch | 1 | 77 | 4 | 146 | 4 | 79 | 105 | 25 | 43 | 36 | 72 | 33 | 229 | 17 | |
| stone pine | . | . | . | . | . | . | 5 | 90 | 3 | 160 | . | . | 7 | 82 | |
| other conifers | -0 | 592 | 2 | 73 | -2 | 127 | 0 | 100 | 0 | 61 | 2 | 100 | 2 | 196 | |
| beech | 188 | 15 | 185 | 18 | 119 | 21 | 48 | 49 | 19 | 50 | 95 | 46 | 653 | 11 | |
| maple | 10 | 101 | 22 | 55 | 28 | 57 | 5 | 154 | 8 | 78 | 6 | 74 | 79 | 31 | |
| ash | 32 | 37 | 47 | 33 | 30 | 36 | 34 | 68 | -5 | 188 | 26 | 47 | 163 | 22 | |
| oak | -7 | 79 | 3 | 78 | -0 | 435 | -0 | 433 | 2 | 100 | 22 | 40 | 19 | 58 | |
| chestnut | . | . | . | . | . | . | 1 | 100 | -0 | 100 | 85 | 41 | 86 | 40 | |
| other broadleaves | 6 | 96 | 36 | 31 | 10 | 96 | 27 | 34 | 29 | 39 | 60 | 33 | 168 | 17 | |
| total | 487 | 11 | 1180 | 8 | 641 | 11 | 497 | 15 | 501 | 13 | 651 | 13 | 3957 | 5 | |
| total | spruce | 1649 | 6 | 1063 | 8 | 657 | 10 | 280 | 18 | 566 | 12 | 311 | 17 | 4526 | 4 |
| fir | 999 | 7 | 422 | 13 | 231 | 13 | 46 | 38 | 45 | 33 | 50 | 30 | 1794 | 5 | |
| pine | 67 | 35 | 15 | 56 | 5 | 118 | 47 | 47 | -3 | 501 | 6 | 84 | 136 | 27 | |
| larch | 26 | 36 | 6 | 145 | 8 | 53 | 156 | 19 | 78 | 34 | 85 | 31 | 359 | 14 | |
| stone pine | . | . | -4 | 100 | . | . | 12 | 49 | 31 | 31 | 0 | 100 | 40 | 30 | |
| other conifers | 65 | 28 | 3 | 61 | -1 | 178 | 0 | 129 | 2 | 37 | 2 | 100 | 70 | 26 | |
| beech | 1168 | 6 | 254 | 21 | 208 | 17 | 50 | 48 | 17 | 79 | 118 | 38 | 1815 | 6 | |
| maple | 138 | 22 | 74 | 26 | 54 | 33 | 9 | 87 | 13 | 53 | 9 | 54 | 298 | 14 | |
| ash | 309 | 13 | 57 | 38 | 42 | 51 | 38 | 63 | 0 | 21775 | 40 | 37 | 487 | 12 | |
| oak | 119 | 21 | 7 | 50 | 3 | 100 | 3 | 91 | 3 | 80 | 26 | 35 | 161 | 17 | |
| chestnut | 0 | 88 | 1 | 100 | . | . | 6 | 65 | -0 | 100 | 139 | 29 | 146 | 28 | |
| other broadleaves | 247 | 18 | 62 | 23 | 26 | 44 | 46 | 23 | 49 | 31 | 112 | 23 | 542 | 11 | |
| total | 4788 | 3 | 1960 | 6 | 1232 | 7 | 693 | 11 | 803 | 10 | 899 | 10 | 10375 | 2 | |
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