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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, modelled and assigned | stem count/ha (DBH >= 12cm, classified) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
inside perimeter | 0-100 stems/ha | 10.0 | 9.5 | 11.8 | 7.8 | 9.1 | 6.1 | 12.7 | 6.9 | 16.7 | 15.2 | 10.3 | 5.7 | 11.2 | 3.0 |
101-200 stems/ha | 10.0 | 9.5 | 11.8 | 7.8 | 4.5 | 4.4 | 4.2 | 4.1 | 33.3 | 19.3 | 10.5 | 5.7 | 9.3 | 2.8 | |
201-300 stems/ha | 10.1 | 9.6 | 11.8 | 7.8 | 18.2 | 8.2 | 24.9 | 8.8 | 16.7 | 15.2 | 13.8 | 6.4 | 16.6 | 3.6 | |
301-400 stems/ha | 20.0 | 12.6 | 5.9 | 5.7 | 13.6 | 7.3 | 16.6 | 7.6 | . | . | 10.3 | 5.7 | 12.0 | 3.1 | |
401-500 stems/ha | . | . | 23.5 | 10.3 | 13.6 | 7.3 | 8.3 | 5.6 | . | . | 6.9 | 4.7 | 10.2 | 2.9 | |
501-600 stems/ha | 20.0 | 12.6 | 5.9 | 5.7 | 13.6 | 7.3 | 8.3 | 5.6 | . | . | 10.3 | 5.7 | 10.2 | 2.9 | |
more than 600 stems/ha | 30.0 | 14.5 | 29.4 | 11.1 | 27.3 | 9.5 | 24.9 | 8.8 | 33.3 | 19.3 | 37.9 | 9.0 | 30.6 | 4.4 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
outside perimeter | 0-100 stems/ha | 9.5 | 0.9 | 8.6 | 1.2 | 9.7 | 1.7 | 10.4 | 1.9 | 9.0 | 1.6 | 10.4 | 1.7 | 9.5 | 0.5 |
101-200 stems/ha | 15.6 | 1.1 | 13.3 | 1.5 | 9.2 | 1.6 | 12.5 | 2.1 | 15.6 | 2.0 | 11.4 | 1.8 | 13.8 | 0.6 | |
201-300 stems/ha | 17.3 | 1.1 | 16.0 | 1.6 | 16.6 | 2.1 | 17.7 | 2.4 | 17.4 | 2.1 | 11.0 | 1.8 | 16.4 | 0.7 | |
301-400 stems/ha | 17.3 | 1.1 | 17.6 | 1.7 | 14.5 | 2.0 | 10.9 | 2.0 | 16.2 | 2.0 | 15.5 | 2.1 | 16.2 | 0.7 | |
401-500 stems/ha | 12.7 | 1.0 | 11.0 | 1.4 | 14.2 | 2.0 | 15.6 | 2.3 | 12.9 | 1.8 | 12.7 | 1.9 | 12.8 | 0.6 | |
501-600 stems/ha | 10.3 | 0.9 | 9.0 | 1.3 | 10.8 | 1.7 | 6.4 | 1.6 | 9.9 | 1.6 | 10.4 | 1.7 | 9.7 | 0.6 | |
more than 600 stems/ha | 17.2 | 1.1 | 24.5 | 1.9 | 25.0 | 2.4 | 26.5 | 2.8 | 18.9 | 2.1 | 28.5 | 2.6 | 21.5 | 0.8 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | 0-100 stems/ha | 9.5 | 0.9 | 8.7 | 1.2 | 9.7 | 1.6 | 10.6 | 1.9 | 9.1 | 1.6 | 10.4 | 1.7 | 9.5 | 0.5 |
101-200 stems/ha | 15.6 | 1.1 | 13.3 | 1.5 | 8.9 | 1.5 | 11.8 | 2.0 | 15.9 | 2.0 | 11.3 | 1.7 | 13.7 | 0.6 | |
201-300 stems/ha | 17.3 | 1.1 | 15.9 | 1.6 | 16.7 | 2.0 | 18.3 | 2.3 | 17.4 | 2.1 | 11.3 | 1.7 | 16.4 | 0.7 | |
301-400 stems/ha | 17.4 | 1.1 | 17.2 | 1.6 | 14.5 | 1.9 | 11.4 | 1.9 | 15.9 | 2.0 | 15.1 | 2.0 | 16.1 | 0.7 | |
401-500 stems/ha | 12.6 | 1.0 | 11.4 | 1.4 | 14.2 | 1.9 | 15.0 | 2.2 | 12.7 | 1.8 | 12.2 | 1.8 | 12.7 | 0.6 | |
501-600 stems/ha | 10.3 | 0.9 | 8.9 | 1.2 | 11.0 | 1.7 | 6.6 | 1.5 | 9.7 | 1.6 | 10.4 | 1.7 | 9.8 | 0.5 | |
more than 600 stems/ha | 17.3 | 1.1 | 24.6 | 1.9 | 25.2 | 2.4 | 26.4 | 2.7 | 19.2 | 2.1 | 29.4 | 2.5 | 21.8 | 0.8 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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