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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 | stem count/ha (DBH >= 24cm, classified) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
n/a | 0-100 stems/ha | 23.8 | 0.9 | 26.5 | 2.1 | 31.3 | 2.7 | 54.5 | 4.1 | 38.4 | 2.7 | 57.1 | 4.3 | 29.0 | 0.8 |
101-200 stems/ha | 26.7 | 1.0 | 25.6 | 2.1 | 20.7 | 2.4 | 21.9 | 3.4 | 24.1 | 2.5 | 17.4 | 3.4 | 25.2 | 0.8 | |
201-300 stems/ha | 25.0 | 1.0 | 24.0 | 2.0 | 18.5 | 2.3 | 13.6 | 2.8 | 17.1 | 2.2 | 13.8 | 3.0 | 22.6 | 0.7 | |
301-400 stems/ha | 14.0 | 0.8 | 10.5 | 1.5 | 13.4 | 2.0 | 3.4 | 1.5 | 10.3 | 1.7 | 7.0 | 2.3 | 12.3 | 0.6 | |
401-500 stems/ha | 6.5 | 0.6 | 6.0 | 1.1 | 8.8 | 1.7 | 4.0 | 1.6 | 7.8 | 1.6 | 3.2 | 1.6 | 6.5 | 0.4 | |
501- 600 stems/ha | 2.4 | 0.4 | 3.4 | 0.9 | 2.4 | 0.9 | 0.6 | 0.6 | 1.7 | 0.7 | 1.5 | 1.1 | 2.4 | 0.3 | |
more than 600 stems/ha | 1.6 | 0.3 | 4.1 | 1.0 | 4.8 | 1.3 | 2.0 | 1.1 | 0.7 | 0.5 | 0.0 | . | 2.1 | 0.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
inside perimeter | 0-100 stems/ha | 13.3 | 7.2 | 21.6 | 4.1 | 27.9 | 5.2 | 26.1 | 4.0 | 21.5 | 4.3 | 32.5 | 5.8 | 24.8 | 2.0 |
101-200 stems/ha | 26.7 | 9.3 | 18.8 | 3.9 | 23.5 | 4.9 | 22.2 | 3.8 | 33.1 | 5.0 | 38.0 | 6.0 | 26.1 | 2.0 | |
201-300 stems/ha | 38.7 | 10.1 | 27.0 | 4.4 | 16.0 | 4.2 | 22.3 | 3.8 | 21.8 | 4.3 | 17.2 | 4.7 | 22.3 | 1.9 | |
301-400 stems/ha | 17.3 | 7.9 | 12.7 | 3.3 | 19.6 | 4.5 | 15.5 | 3.3 | 19.2 | 4.2 | 4.5 | 2.5 | 14.8 | 1.6 | |
401-500 stems/ha | 4.0 | 3.9 | 12.0 | 3.2 | 5.3 | 2.6 | 6.6 | 2.2 | 3.2 | 1.8 | 5.0 | 2.8 | 6.6 | 1.1 | |
501- 600 stems/ha | 0.0 | . | 5.0 | 2.2 | 5.1 | 2.5 | 5.7 | 2.1 | 1.1 | 1.1 | 0.0 | . | 3.5 | 0.8 | |
more than 600 stems/ha | 0.0 | . | 2.9 | 1.7 | 2.7 | 1.9 | 1.6 | 1.1 | 0.0 | . | 3.0 | 2.1 | 1.9 | 0.6 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
outside perimeter | 0-100 stems/ha | 15.0 | 2.2 | 19.2 | 1.9 | 23.4 | 2.4 | 37.1 | 2.8 | 33.7 | 2.7 | 47.8 | 2.2 | 30.6 | 1.0 |
101-200 stems/ha | 28.1 | 2.8 | 27.0 | 2.1 | 19.9 | 2.4 | 27.8 | 2.7 | 27.2 | 2.6 | 23.7 | 1.9 | 25.5 | 1.0 | |
201-300 stems/ha | 28.4 | 2.8 | 24.2 | 2.0 | 23.7 | 2.5 | 14.8 | 2.1 | 22.5 | 2.4 | 16.1 | 1.7 | 21.3 | 0.9 | |
301-400 stems/ha | 17.4 | 2.3 | 14.4 | 1.7 | 14.6 | 2.1 | 13.2 | 2.0 | 8.7 | 1.6 | 8.1 | 1.2 | 12.3 | 0.7 | |
401-500 stems/ha | 8.7 | 1.7 | 7.4 | 1.3 | 8.8 | 1.7 | 3.9 | 1.1 | 3.1 | 1.0 | 2.8 | 0.7 | 5.6 | 0.5 | |
501- 600 stems/ha | 0.7 | 0.5 | 4.3 | 1.0 | 3.4 | 1.1 | 2.5 | 0.9 | 2.8 | 1.0 | 1.0 | 0.4 | 2.5 | 0.3 | |
more than 600 stems/ha | 1.5 | 0.7 | 3.4 | 0.9 | 6.2 | 1.4 | 0.7 | 0.5 | 2.1 | 0.8 | 0.4 | 0.3 | 2.3 | 0.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | 0-100 stems/ha | 22.6 | 0.8 | 22.7 | 1.3 | 27.4 | 1.6 | 39.4 | 2.0 | 34.2 | 1.7 | 48.1 | 1.8 | 29.2 | 0.6 |
101-200 stems/ha | 26.9 | 1.0 | 25.5 | 1.4 | 20.7 | 1.6 | 25.0 | 1.9 | 26.6 | 1.7 | 23.8 | 1.6 | 25.4 | 0.6 | |
201-300 stems/ha | 25.6 | 0.9 | 24.4 | 1.4 | 20.5 | 1.6 | 16.1 | 1.6 | 20.1 | 1.5 | 15.8 | 1.4 | 22.1 | 0.5 | |
301-400 stems/ha | 14.5 | 0.8 | 12.4 | 1.1 | 14.7 | 1.4 | 11.0 | 1.3 | 10.7 | 1.2 | 7.6 | 1.0 | 12.5 | 0.4 | |
401-500 stems/ha | 6.8 | 0.5 | 7.3 | 0.8 | 8.4 | 1.1 | 4.5 | 0.9 | 5.1 | 0.8 | 3.1 | 0.7 | 6.2 | 0.3 | |
501- 600 stems/ha | 2.2 | 0.3 | 4.0 | 0.6 | 3.2 | 0.7 | 2.7 | 0.7 | 2.1 | 0.5 | 1.0 | 0.4 | 2.5 | 0.2 | |
more than 600 stems/ha | 1.5 | 0.3 | 3.7 | 0.6 | 5.2 | 0.9 | 1.3 | 0.5 | 1.2 | 0.4 | 0.6 | 0.3 | 2.1 | 0.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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