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protection forest region | |||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | |||||||||
avalanches SilvaProtect, modelled and assigned | stem count/ha (DBH >= 24cm, classified) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
inside perimeter | 0-100 stems/ha | . | . | 3.2 | 33 | 3.1 | 33 | 4.1 | 29 | 2.8 | 35 | 3.2 | 33 | 16.5 | 14 |
101-200 stems/ha | . | . | 6.1 | 24 | 3.1 | 33 | 7.2 | 21 | 5.3 | 25 | 4.3 | 29 | 26.0 | 11 | |
201-300 stems/ha | 2.5 | 38 | 5.0 | 26 | 2.1 | 41 | 5.5 | 25 | 3.2 | 33 | 2.5 | 38 | 20.8 | 13 | |
301-400 stems/ha | 1.4 | 50 | 2.2 | 41 | 2.4 | 38 | 3.8 | 30 | 2.8 | 35 | 1.1 | 58 | 13.7 | 16 | |
401-500 stems/ha | 0.7 | 71 | 2.2 | 41 | 0.7 | 71 | 2.1 | 41 | 1.1 | 58 | 1.1 | 58 | 7.7 | 21 | |
501- 600 stems/ha | . | . | 0.7 | 71 | 1.4 | 50 | 0.7 | 71 | 0.4 | 100 | . | . | 3.1 | 33 | |
more than 600 stems/ha | . | . | 0.7 | 71 | 0.7 | 71 | 1.0 | 58 | . | . | 0.4 | 100 | 2.8 | 35 | |
total | 4.7 | 28 | 20.2 | 13 | 13.4 | 15 | 24.4 | 11 | 15.5 | 14 | 12.4 | 16 | 90.5 | 6 | |
outside perimeter | 0-100 stems/ha | 113.4 | 5 | 37.5 | 9 | 21.8 | 12 | 24.7 | 11 | 27.3 | 10 | 32.9 | 9 | 257.6 | 3 |
101-200 stems/ha | 121.3 | 5 | 50.1 | 8 | 23.4 | 11 | 19.9 | 12 | 31.3 | 10 | 27.6 | 10 | 273.7 | 3 | |
201-300 stems/ha | 98.4 | 5 | 40.7 | 9 | 23.5 | 11 | 11.0 | 17 | 22.8 | 11 | 20.8 | 12 | 217.2 | 4 | |
301-400 stems/ha | 52.6 | 8 | 18.0 | 14 | 16.2 | 14 | 8.2 | 20 | 13.0 | 16 | 14.9 | 15 | 122.9 | 5 | |
401-500 stems/ha | 18.6 | 14 | 11.9 | 17 | 9.3 | 19 | 4.1 | 28 | 6.7 | 22 | 7.4 | 21 | 58.1 | 8 | |
501- 600 stems/ha | 7.9 | 21 | 7.9 | 21 | 3.8 | 30 | 0.3 | 100 | 1.8 | 45 | 2.1 | 41 | 23.8 | 12 | |
more than 600 stems/ha | 5.4 | 26 | 4.0 | 30 | 5.2 | 25 | 1.0 | 58 | 0.7 | 71 | 1.1 | 58 | 17.3 | 14 | |
total | 417.4 | 1 | 170.2 | 2 | 103.2 | 3 | 69.3 | 5 | 103.6 | 3 | 106.9 | 4 | 970.6 | 1 | |
total | 0-100 stems/ha | 113.4 | 5 | 40.8 | 9 | 24.9 | 11 | 28.8 | 10 | 30.1 | 10 | 36.1 | 9 | 274.1 | 3 |
101-200 stems/ha | 121.3 | 5 | 56.3 | 7 | 26.5 | 10 | 27.1 | 10 | 36.6 | 9 | 31.9 | 10 | 299.7 | 3 | |
201-300 stems/ha | 100.9 | 5 | 45.8 | 8 | 25.5 | 11 | 16.5 | 14 | 26.0 | 11 | 23.3 | 11 | 237.9 | 3 | |
301-400 stems/ha | 54.0 | 8 | 20.2 | 13 | 18.6 | 13 | 12.0 | 16 | 15.8 | 14 | 15.9 | 14 | 136.6 | 5 | |
401-500 stems/ha | 19.3 | 13 | 14.1 | 16 | 10.0 | 18 | 6.2 | 23 | 7.7 | 21 | 8.5 | 20 | 65.8 | 7 | |
501- 600 stems/ha | 7.9 | 21 | 8.7 | 20 | 5.2 | 25 | 1.0 | 58 | 2.1 | 41 | 2.1 | 41 | 27.0 | 11 | |
more than 600 stems/ha | 5.4 | 26 | 4.7 | 27 | 5.9 | 24 | 2.1 | 41 | 0.7 | 71 | 1.4 | 50 | 20.1 | 13 | |
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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