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biogeographical region | |||||||||||||||
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Jura | Plateau | Northern Alps | Western Central-Alps | Eastern Central-Alps | Southern Alps | Switzerland | |||||||||
avalanches SilvaProtect | main tree species | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % | m²/ha | ± % |
n/a | spruce | -0.5 | 111 | -3.3 | 20 | 1.4 | 64 | 0.4 | 306 | 3.1 | 36 | 2.3 | 35 | -0.8 | 46 |
fir | 1.3 | 27 | 0.5 | 57 | 0.6 | 67 | 0.1 | 90 | 0.0 | 269 | 0.6 | 69 | 0.7 | 25 | |
pine | -0.2 | 48 | -0.7 | 23 | -0.1 | 212 | -0.3 | 286 | 0.2 | 119 | 0.1 | 99 | -0.3 | 25 | |
larch | -0.0 | 222 | 0.0 | 795 | -0.0 | 2510 | 2.9 | 41 | 0.9 | 60 | 2.3 | 27 | 0.2 | 29 | |
stone pine | . | . | . | . | . | . | 0.5 | 111 | 0.2 | 170 | 0.3 | 80 | 0.0 | 82 | |
other conifers | 0.1 | 37 | 0.2 | 39 | 0.0 | 62 | 0.0 | 100 | 0.2 | 47 | . | . | 0.1 | 29 | |
beech | 0.5 | 65 | 0.7 | 40 | 0.8 | 41 | -0.3 | 99 | 0.2 | 94 | 0.7 | 55 | 0.6 | 26 | |
maple | 0.3 | 28 | 0.5 | 20 | 0.7 | 21 | 0.1 | 99 | 0.1 | 67 | 0.0 | 310 | 0.4 | 13 | |
ash | 0.2 | 50 | 0.8 | 21 | 0.5 | 32 | 1.0 | 90 | 0.1 | 74 | 0.2 | 52 | 0.5 | 16 | |
oak | 0.0 | 129 | 0.1 | 149 | 0.1 | 50 | 0.4 | 55 | 0.1 | 100 | 0.1 | 127 | 0.1 | 70 | |
chestnut | . | . | 0.0 | 80 | 0.0 | 100 | . | . | . | . | -0.3 | 283 | -0.0 | 422 | |
other broadleaves | 0.0 | 631 | 0.2 | 72 | -0.0 | 569 | 0.8 | 39 | 0.2 | 200 | 2.3 | 45 | 0.2 | 46 | |
total | 1.7 | 48 | -0.9 | 97 | 3.9 | 29 | 5.6 | 45 | 5.4 | 26 | 8.5 | 18 | 1.8 | 28 | |
inside perimeter | spruce | 2.3 | 44 | . | . | -0.4 | 388 | 1.5 | 108 | -1.5 | 196 | 6.4 | 23 | 1.1 | 82 |
fir | 4.5 | 34 | . | . | 0.9 | 68 | 0.7 | 43 | 0.2 | 85 | -0.2 | 405 | 0.8 | 39 | |
pine | 0.5 | 80 | . | . | -0.5 | 55 | 0.3 | 145 | 0.2 | 328 | -0.7 | 74 | -0.2 | 117 | |
larch | . | . | . | . | 0.1 | 209 | 3.5 | 45 | 0.0 | 54964 | 2.9 | 21 | 1.3 | 32 | |
stone pine | . | . | . | . | . | . | 0.3 | 90 | 0.4 | 61 | . | . | 0.1 | 57 | |
other conifers | . | . | . | . | 0.0 | 100 | -0.1 | 117 | 0.1 | 99 | . | . | 0.0 | 266 | |
beech | 3.1 | 66 | . | . | 1.6 | 25 | 0.2 | 75 | -0.2 | 99 | 0.7 | 55 | 0.9 | 23 | |
maple | 0.4 | 57 | . | . | 0.4 | 47 | 0.1 | 73 | . | . | 0.1 | 99 | 0.2 | 38 | |
ash | 0.2 | 127 | . | . | 0.1 | 109 | 0.3 | 68 | . | . | 0.1 | 99 | 0.1 | 51 | |
oak | . | . | . | . | 0.0 | 100 | . | . | . | . | -0.0 | 99 | 0.0 | 136 | |
chestnut | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
other broadleaves | 0.1 | 357 | . | . | -0.1 | 168 | 0.3 | 61 | 0.7 | 63 | 0.9 | 85 | 0.3 | 50 | |
total | 11.1 | 26 | . | . | 2.2 | 82 | 7.0 | 34 | -0.2 | 2004 | 10.2 | 19 | 4.7 | 24 | |
outside perimeter | spruce | -0.9 | 82 | -1.7 | 97 | 0.6 | 138 | 1.9 | 46 | 1.0 | 147 | 1.3 | 42 | 0.7 | 62 |
fir | 0.8 | 88 | 0.7 | 111 | 1.0 | 35 | 0.1 | 392 | 0.2 | 46 | 0.3 | 56 | 0.6 | 28 | |
pine | -0.2 | 131 | -0.0 | 356 | -0.0 | 227 | 0.1 | 290 | -0.1 | 73 | 0.0 | 372 | -0.0 | 191 | |
larch | -0.0 | 100 | 0.1 | 58 | -0.1 | 108 | 1.4 | 31 | 1.0 | 38 | 1.0 | 22 | 0.5 | 18 | |
stone pine | . | . | . | . | 0.0 | 100 | 0.3 | 39 | 0.0 | 361 | . | . | 0.0 | 56 | |
other conifers | 0.1 | 54 | 0.1 | 74 | 0.0 | 54 | 0.0 | 83 | 0.0 | 72 | 0.0 | 100 | 0.0 | 31 | |
beech | 1.8 | 38 | 1.1 | 93 | 0.9 | 33 | 0.3 | 44 | 0.2 | 57 | 2.0 | 18 | 1.1 | 16 | |
maple | 0.5 | 50 | 0.1 | 178 | 0.7 | 17 | 0.1 | 59 | 0.1 | 69 | 0.2 | 34 | 0.4 | 14 | |
ash | 0.5 | 44 | 0.7 | 83 | 0.5 | 20 | 0.1 | 93 | 0.1 | 65 | 0.4 | 41 | 0.4 | 18 | |
oak | 0.2 | 111 | 0.0 | 736 | -0.0 | 237 | 0.3 | 55 | . | . | 0.3 | 26 | 0.1 | 28 | |
chestnut | . | . | . | . | 0.0 | 100 | 0.0 | 306 | . | . | 1.7 | 31 | 0.4 | 31 | |
other broadleaves | -0.1 | 198 | -0.2 | 193 | 0.2 | 55 | 0.6 | 44 | 0.4 | 77 | 1.2 | 25 | 0.5 | 22 | |
total | 2.6 | 48 | 0.8 | 273 | 3.8 | 27 | 5.2 | 23 | 3.0 | 53 | 8.5 | 10 | 4.7 | 12 | |
total | spruce | -0.5 | 93 | -3.1 | 20 | 0.8 | 69 | 1.4 | 47 | 1.6 | 56 | 2.0 | 23 | -0.1 | 247 |
fir | 1.3 | 24 | 0.5 | 52 | 0.8 | 29 | 0.2 | 70 | 0.1 | 54 | 0.3 | 59 | 0.7 | 17 | |
pine | -0.2 | 50 | -0.6 | 23 | -0.1 | 75 | 0.1 | 312 | 0.1 | 219 | -0.1 | 103 | -0.2 | 26 | |
larch | -0.0 | 196 | 0.0 | 304 | -0.0 | 211 | 2.3 | 24 | 0.8 | 36 | 1.4 | 14 | 0.4 | 14 | |
stone pine | . | . | . | . | 0.0 | 100 | 0.3 | 47 | 0.2 | 110 | 0.0 | 81 | 0.0 | 46 | |
other conifers | 0.1 | 31 | 0.2 | 38 | 0.0 | 39 | 0.0 | 328 | 0.1 | 38 | 0.0 | 100 | 0.1 | 25 | |
beech | 0.8 | 37 | 0.8 | 37 | 1.0 | 21 | 0.2 | 70 | 0.1 | 75 | 1.6 | 17 | 0.8 | 13 | |
maple | 0.3 | 24 | 0.4 | 20 | 0.7 | 13 | 0.1 | 43 | 0.1 | 48 | 0.2 | 33 | 0.4 | 9 | |
ash | 0.2 | 36 | 0.8 | 20 | 0.4 | 18 | 0.3 | 61 | 0.1 | 49 | 0.4 | 37 | 0.4 | 12 | |
oak | 0.1 | 87 | 0.1 | 147 | 0.0 | 96 | 0.2 | 40 | 0.0 | 100 | 0.3 | 26 | 0.1 | 38 | |
chestnut | . | . | 0.0 | 80 | 0.0 | 71 | 0.0 | 306 | . | . | 1.2 | 35 | 0.1 | 34 | |
other broadleaves | 0.0 | 1974 | 0.1 | 87 | 0.1 | 113 | 0.6 | 28 | 0.4 | 68 | 1.4 | 21 | 0.3 | 21 | |
total | 2.1 | 33 | -0.7 | 113 | 3.7 | 19 | 5.8 | 18 | 3.6 | 28 | 8.7 | 8 | 3.1 | 11 |
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