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NFI4
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago57.82.057.63.462.83.379.92.375.31.939.95.346.43.143.93.627.84.021.35.122.45.420.72.923.52.312.22.449.90.8
11-20 years ago19.51.626.53.116.72.615.62.115.21.622.14.522.92.623.53.116.53.316.44.515.14.710.32.117.42.08.52.017.70.7
21-30 years ago9.01.26.81.89.22.02.30.85.51.015.43.96.31.59.02.115.13.219.44.918.55.37.91.915.62.07.81.98.80.5
31-40 years ago6.01.03.01.24.51.41.00.62.00.65.32.47.61.66.11.77.12.39.43.79.23.611.62.310.21.614.22.56.10.4
41-50 years ago3.80.81.40.82.51.10.0.1.00.47.72.84.91.35.81.77.82.44.52.55.73.310.02.16.01.38.62.14.20.3
over 50 years ago3.90.84.21.43.91.41.30.61.00.49.53.211.81.911.72.425.73.929.05.629.06.039.53.527.32.448.63.613.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago33.611.2100.0...100.0...100.0.23.220.669.726.024.110.548.711.537.811.928.97.419.48.710.94.227.13.2
11-20 years ago16.98.90.0...0.0...0.0.0.0.30.326.018.09.510.06.719.28.87.94.48.86.05.73.210.32.2
21-30 years ago11.37.50.0...0.0...0.0.22.720.30.0.22.510.010.67.29.86.72.62.613.97.53.52.48.42.0
31-40 years ago0.0.0.0...0.0...0.0.0.0.0.0.6.46.210.47.09.46.414.05.89.16.16.93.38.01.9
41-50 years ago10.97.30.0...0.0...0.0.0.0.0.0.0.0.9.96.60.0.8.34.613.17.18.93.87.51.9
over 50 years ago27.310.40.0...0.0...0.0.54.124.90.0.28.911.110.36.923.810.538.28.035.610.264.16.538.63.5
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago47.94.144.110.072.58.954.87.157.78.939.94.450.43.344.23.735.43.827.66.231.95.021.92.122.12.111.21.329.70.9
11-20 years ago18.13.231.99.411.56.222.56.016.56.820.83.725.22.923.13.114.42.829.66.321.44.313.61.821.32.16.01.016.70.8
21-30 years ago8.82.33.93.84.64.58.23.917.16.910.12.69.01.99.42.216.43.013.14.712.73.510.31.616.41.98.21.211.00.6
31-40 years ago8.52.38.05.53.83.88.34.00.0.9.92.73.71.38.72.17.72.25.33.05.52.46.91.311.31.67.41.17.70.5
41-50 years ago3.31.54.14.17.65.20.0.0.0.6.32.03.01.15.91.79.02.35.83.36.02.69.31.56.51.29.11.26.80.5
over 50 years ago13.42.88.05.50.0.6.33.58.74.812.93.18.71.88.72.117.23.018.75.422.44.438.12.522.52.158.02.128.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.0.0.40.40.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.41.856.43.363.73.176.62.274.41.840.13.348.12.244.32.631.62.727.53.929.23.621.91.722.71.511.41.141.00.6
11-20 years ago19.21.426.92.916.22.416.41.915.31.521.32.823.81.923.42.215.52.120.73.419.03.012.21.319.11.46.60.917.10.5
21-30 years ago9.01.06.51.68.71.93.00.96.11.012.32.27.71.29.11.516.22.115.73.114.52.89.01.216.01.37.80.99.70.4
31-40 years ago6.40.93.51.24.41.31.90.71.90.68.01.85.71.07.31.37.41.57.92.37.21.98.91.210.71.19.01.06.80.3
41-50 years ago3.90.71.70.93.01.10.0.0.90.46.91.74.00.95.81.28.01.65.82.05.31.89.51.26.50.99.01.05.40.3
over 50 years ago6.20.94.51.43.51.22.00.71.40.511.52.210.71.410.21.621.42.422.43.624.93.438.52.025.11.656.21.820.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #861116/327447
search result: 1 entry on 1 page

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