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| protection forest region | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | |||||||||
| rockfall SilvaProtect, modelled and assigned | stem count/ha (DBH >= 12cm, classified) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
| inside perimeter | 0-100 stems/ha | 0.4 | 100 | 0.7 | 71 | 0.7 | 71 | 1.0 | 58 | 0.4 | 100 | 1.1 | 58 | 4.2 | 29 |
| 101-200 stems/ha | 0.4 | 100 | 0.7 | 71 | 0.3 | 100 | 0.3 | 100 | 0.7 | 71 | 1.1 | 58 | 3.5 | 32 | |
| 201-300 stems/ha | 0.4 | 100 | 0.7 | 71 | 1.4 | 50 | 2.1 | 41 | 0.4 | 100 | 1.4 | 50 | 6.3 | 23 | |
| 301-400 stems/ha | 0.7 | 71 | 0.4 | 100 | 1.0 | 58 | 1.4 | 50 | . | . | 1.1 | 58 | 4.5 | 28 | |
| 401-500 stems/ha | . | . | 1.4 | 50 | 1.0 | 58 | 0.7 | 71 | . | . | 0.7 | 71 | 3.9 | 30 | |
| 501-600 stems/ha | 0.7 | 71 | 0.4 | 100 | 1.0 | 58 | 0.7 | 71 | . | . | 1.1 | 58 | 3.9 | 30 | |
| more than 600 stems/ha | 1.1 | 58 | 1.8 | 45 | 2.1 | 41 | 2.1 | 41 | 0.7 | 71 | 3.9 | 30 | 11.6 | 17 | |
| total | 3.6 | 32 | 6.1 | 24 | 7.6 | 21 | 8.2 | 20 | 2.1 | 41 | 10.3 | 18 | 37.9 | 9 | |
| outside perimeter | 0-100 stems/ha | 39.7 | 9 | 15.9 | 15 | 10.6 | 18 | 8.9 | 19 | 10.5 | 18 | 11.4 | 17 | 96.9 | 6 |
| 101-200 stems/ha | 65.5 | 7 | 24.5 | 12 | 10.0 | 18 | 10.7 | 17 | 18.3 | 13 | 12.4 | 16 | 141.3 | 5 | |
| 201-300 stems/ha | 72.6 | 6 | 29.6 | 10 | 18.1 | 13 | 15.1 | 14 | 20.4 | 12 | 12.0 | 17 | 167.7 | 4 | |
| 301-400 stems/ha | 72.6 | 6 | 32.5 | 10 | 15.9 | 14 | 9.3 | 19 | 19.0 | 13 | 16.9 | 14 | 166.1 | 4 | |
| 401-500 stems/ha | 53.3 | 8 | 20.2 | 13 | 15.5 | 14 | 13.4 | 15 | 15.1 | 15 | 13.8 | 15 | 131.3 | 5 | |
| 501-600 stems/ha | 42.9 | 9 | 16.6 | 14 | 11.7 | 16 | 5.5 | 25 | 11.6 | 17 | 11.4 | 17 | 99.7 | 6 | |
| more than 600 stems/ha | 71.9 | 7 | 45.1 | 8 | 27.3 | 10 | 22.6 | 11 | 22.1 | 12 | 31.1 | 10 | 220.1 | 4 | |
| total | 418.5 | 1 | 184.3 | 2 | 109.1 | 3 | 85.4 | 4 | 116.9 | 3 | 109.0 | 4 | 1023.2 | 1 | |
| total | 0-100 stems/ha | 40.1 | 9 | 16.6 | 14 | 11.3 | 17 | 10.0 | 18 | 10.9 | 17 | 12.4 | 16 | 101.2 | 6 |
| 101-200 stems/ha | 65.8 | 7 | 25.2 | 11 | 10.3 | 18 | 11.0 | 17 | 19.0 | 13 | 13.5 | 16 | 144.9 | 5 | |
| 201-300 stems/ha | 73.0 | 6 | 30.3 | 10 | 19.5 | 13 | 17.1 | 13 | 20.7 | 12 | 13.4 | 16 | 174.0 | 4 | |
| 301-400 stems/ha | 73.3 | 6 | 32.8 | 10 | 16.9 | 13 | 10.6 | 17 | 19.0 | 13 | 18.0 | 13 | 170.7 | 4 | |
| 401-500 stems/ha | 53.3 | 8 | 21.6 | 12 | 16.5 | 14 | 14.1 | 15 | 15.1 | 15 | 14.5 | 15 | 135.1 | 5 | |
| 501-600 stems/ha | 43.7 | 9 | 16.9 | 14 | 12.8 | 16 | 6.2 | 23 | 11.6 | 17 | 12.4 | 16 | 103.6 | 6 | |
| more than 600 stems/ha | 73.0 | 6 | 46.9 | 8 | 29.4 | 10 | 24.7 | 11 | 22.8 | 12 | 35.0 | 9 | 231.7 | 4 | |
| total | 422.1 | 1 | 190.4 | 2 | 116.7 | 3 | 93.7 | 3 | 119.0 | 3 | 119.3 | 3 | 1061.2 | 1 | |
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