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protection forest region | |||||||||||||||
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Jura + Plateau | Northwestern Alps | Northeastern Alps | Southwestern Alps | Southeastern Alps | Southern Alps | Switzerland | |||||||||
rockfall SilvaProtect | stem count/ha (DBH >= 36cm, classified) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
n/a | 0-100 stems/ha | 50.0 | 0.9 | 26.3 | 1.3 | 24.3 | 1.6 | 24.9 | 1.7 | 29.3 | 1.6 | 16.5 | 1.3 | 33.7 | 0.5 |
101-200 stems/ha | 27.9 | 0.9 | 12.1 | 1.0 | 12.2 | 1.3 | 4.4 | 0.8 | 11.1 | 1.2 | 4.3 | 0.7 | 16.0 | 0.5 | |
201-300 stems/ha | 7.1 | 0.5 | 5.1 | 0.7 | 7.0 | 1.0 | 0.7 | 0.3 | 3.1 | 0.7 | 0.5 | 0.3 | 4.8 | 0.3 | |
301-400 stems/ha | 0.9 | 0.2 | 1.9 | 0.4 | 0.9 | 0.4 | 0.2 | 0.2 | 1.0 | 0.4 | 0.0 | . | 0.9 | 0.1 | |
401-500 stems/ha | 0.3 | 0.1 | 0.6 | 0.2 | 0.6 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.1 | |
501- 600 stems/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
more than 600 stems/ha | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 0.0 | |
total | 86.2 | 0.7 | 46.0 | 1.6 | 45.0 | 2.0 | 30.1 | 1.9 | 44.5 | 1.8 | 21.3 | 1.5 | 55.6 | 0.6 | |
inside perimeter | 0-100 stems/ha | 0.5 | 0.1 | 1.4 | 0.4 | 2.2 | 0.6 | 4.2 | 0.8 | 1.1 | 0.4 | 5.8 | 0.9 | 2.0 | 0.2 |
101-200 stems/ha | 0.4 | 0.1 | 0.5 | 0.2 | 2.3 | 0.6 | 1.5 | 0.5 | 1.4 | 0.4 | 1.1 | 0.4 | 0.9 | 0.1 | |
201-300 stems/ha | 0.0 | 0.0 | 0.2 | 0.1 | 1.0 | 0.4 | 0.2 | 0.2 | 0.1 | 0.1 | 0.4 | 0.2 | 0.2 | 0.1 | |
301-400 stems/ha | 0.0 | . | 0.1 | 0.1 | 0.2 | 0.2 | 0.3 | 0.2 | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
401-500 stems/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
501- 600 stems/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
more than 600 stems/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 0.9 | 0.2 | 2.2 | 0.5 | 5.7 | 0.9 | 6.2 | 1.0 | 2.6 | 0.6 | 7.2 | 0.9 | 3.2 | 0.2 | |
outside perimeter | 0-100 stems/ha | 5.9 | 0.5 | 26.0 | 1.4 | 23.5 | 1.6 | 36.9 | 2.0 | 30.1 | 1.7 | 50.5 | 1.8 | 23.2 | 0.5 |
101-200 stems/ha | 5.9 | 0.5 | 18.2 | 1.2 | 16.2 | 1.4 | 19.6 | 1.6 | 17.8 | 1.4 | 16.4 | 1.3 | 13.3 | 0.4 | |
201-300 stems/ha | 0.9 | 0.2 | 6.1 | 0.7 | 8.1 | 1.0 | 6.2 | 0.9 | 4.3 | 0.7 | 3.7 | 0.7 | 3.9 | 0.2 | |
301-400 stems/ha | 0.1 | 0.1 | 1.2 | 0.3 | 1.3 | 0.4 | 0.8 | 0.4 | 0.6 | 0.3 | 0.8 | 0.3 | 0.7 | 0.1 | |
401-500 stems/ha | 0.0 | . | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
501- 600 stems/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
more than 600 stems/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.1 | 0.1 | 0.0 | . | 0.0 | 0.0 | |
total | 12.9 | 0.7 | 51.7 | 1.6 | 49.3 | 2.0 | 63.7 | 1.9 | 52.9 | 1.8 | 71.4 | 1.6 | 41.1 | 0.6 | |
total | 0-100 stems/ha | 56.3 | 0.9 | 53.8 | 1.4 | 50.1 | 1.7 | 66.0 | 1.7 | 60.5 | 1.6 | 72.8 | 1.5 | 58.8 | 0.6 |
101-200 stems/ha | 34.2 | 0.9 | 30.8 | 1.4 | 30.8 | 1.8 | 25.5 | 1.7 | 30.2 | 1.6 | 21.8 | 1.4 | 30.3 | 0.6 | |
201-300 stems/ha | 8.0 | 0.6 | 11.4 | 1.0 | 16.0 | 1.4 | 7.0 | 1.0 | 7.6 | 1.0 | 4.6 | 0.8 | 8.9 | 0.4 | |
301-400 stems/ha | 1.0 | 0.2 | 3.2 | 0.6 | 2.3 | 0.6 | 1.3 | 0.5 | 1.6 | 0.5 | 0.8 | 0.3 | 1.6 | 0.2 | |
401-500 stems/ha | 0.3 | 0.1 | 0.8 | 0.3 | 0.8 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.1 | |
501- 600 stems/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
more than 600 stems/ha | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.1 | 0.1 | 0.0 | . | 0.1 | 0.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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