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NFI4
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago58.01.119.01.216.31.46.91.010.81.12.90.628.20.5
11-20 years ago15.40.810.10.99.51.13.40.78.01.02.00.59.90.4
21-30 years ago5.70.54.80.75.80.92.60.77.10.91.80.54.90.3
31-40 years ago3.10.43.30.63.60.73.80.84.70.83.40.63.50.2
41-50 years ago1.70.32.90.52.50.63.30.72.80.62.00.52.40.2
over 50 years ago2.30.37.10.88.61.113.11.412.51.211.51.17.40.3
total86.30.747.31.546.31.933.21.845.81.823.71.556.40.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.40.10.60.22.50.61.70.50.60.30.80.30.90.1
11-20 years ago0.10.10.30.21.00.40.50.30.30.20.40.20.30.1
21-30 years ago0.10.10.50.20.60.30.20.20.40.20.20.20.30.1
31-40 years ago0.0.0.10.10.60.30.80.40.30.20.50.20.30.1
41-50 years ago0.10.10.0.0.30.20.50.30.40.20.60.30.20.1
over 50 years ago0.20.10.70.30.90.42.30.61.00.44.50.71.20.1
total0.90.22.20.55.90.96.01.02.90.67.00.93.20.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.60.521.91.317.91.513.31.411.31.27.81.012.00.4
11-20 years ago2.50.310.51.011.51.28.31.110.91.14.20.76.70.3
21-30 years ago1.10.25.90.75.20.96.21.08.41.05.70.84.40.3
31-40 years ago0.90.23.20.53.50.74.20.85.80.85.20.83.10.2
41-50 years ago0.40.12.90.52.80.65.70.93.30.66.30.92.80.2
over 50 years ago1.30.26.20.86.91.023.21.711.51.140.21.711.40.4
total12.80.750.51.547.81.960.91.951.31.869.31.640.40.6
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.01.041.51.536.81.921.91.722.71.511.41.141.00.6
11-20 years ago18.10.820.91.321.91.612.21.319.11.46.60.917.00.5
21-30 years ago6.90.511.21.011.61.29.01.216.01.37.80.99.70.4
31-40 years ago4.00.46.60.87.61.08.91.210.71.19.01.06.80.3
41-50 years ago2.20.35.80.75.60.99.51.26.50.99.01.05.40.3
over 50 years ago3.80.414.01.116.41.438.52.025.11.656.21.820.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861025/327356
NFI3
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/aless than 10 years ago58.71.018.81.217.71.46.81.010.91.12.80.527.40.5
11-20 years ago14.00.77.80.87.81.02.60.67.30.92.80.58.60.3
21-30 years ago7.80.65.10.75.60.85.10.96.50.84.40.76.10.3
31-40 years ago2.60.33.90.62.40.63.20.74.70.73.10.63.20.2
41-50 years ago1.10.21.80.42.10.55.10.93.20.63.10.62.30.2
over 50 years ago2.00.310.60.911.91.212.51.317.01.312.91.19.30.4
total86.20.748.11.547.31.835.21.849.71.729.11.456.90.5
inside perimeterless than 10 years ago0.30.10.60.21.90.50.80.30.50.20.50.20.60.1
11-20 years ago0.20.10.50.21.00.40.70.30.60.30.20.20.50.1
21-30 years ago0.10.10.30.20.70.30.60.30.20.20.50.20.30.1
31-40 years ago0.10.10.0.0.80.30.50.30.50.20.30.20.30.1
41-50 years ago0.10.10.10.10.30.21.30.40.10.10.40.20.30.1
over 50 years ago0.10.10.60.21.60.52.00.60.80.34.30.71.30.1
total0.90.22.10.46.20.96.00.92.70.66.30.83.20.2
outside perimeterless than 10 years ago7.00.523.11.319.01.411.71.313.41.26.10.812.30.4
11-20 years ago2.20.38.80.99.51.17.51.010.31.05.00.76.20.3
21-30 years ago1.70.35.20.74.90.85.60.96.80.96.60.84.50.3
31-40 years ago0.60.24.20.63.50.75.20.93.30.65.10.73.00.2
41-50 years ago0.50.13.00.52.60.66.61.02.50.55.50.72.80.2
over 50 years ago1.00.25.50.76.80.922.21.611.31.136.21.511.10.4
total12.90.749.81.546.41.858.81.947.61.764.61.539.80.5
totalless than 10 years ago66.01.042.51.538.61.819.21.624.81.59.51.040.40.6
11-20 years ago16.40.817.21.118.31.410.91.218.21.38.00.915.20.4
21-30 years ago9.60.610.60.911.11.111.41.313.51.211.51.010.90.4
31-40 years ago3.30.48.10.86.70.98.81.18.50.98.50.96.50.3
41-50 years ago1.60.34.90.65.00.813.01.35.90.89.00.95.40.3
over 50 years ago3.10.416.71.120.31.536.71.929.21.553.41.621.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861026/327357
NFI4
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago58.41.119.21.316.41.54.71.011.51.33.10.730.10.6
11-20 years ago15.30.89.71.09.81.23.60.88.31.12.10.610.30.4
21-30 years ago5.60.53.90.64.70.91.60.65.10.90.80.34.20.3
31-40 years ago2.90.43.20.63.10.72.10.63.80.81.50.52.80.2
41-50 years ago1.70.32.80.52.30.61.80.62.30.61.30.52.00.2
over 50 years ago2.10.34.90.76.91.111.11.410.71.27.51.15.60.3
total86.00.843.71.643.12.024.81.941.72.016.31.554.90.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.40.10.60.32.60.72.10.60.50.31.00.40.90.1
11-20 years ago0.10.10.30.21.00.40.60.30.30.20.50.30.40.1
21-30 years ago0.10.10.40.20.70.30.20.20.20.20.30.20.30.1
31-40 years ago0.0.0.10.10.50.30.60.30.30.20.60.30.20.1
41-50 years ago0.10.10.0.0.30.20.60.40.50.30.50.30.20.1
over 50 years ago0.20.10.80.30.70.42.80.70.60.34.90.91.20.1
total0.90.22.30.55.81.06.91.12.40.67.81.13.20.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.90.624.11.419.71.615.51.611.71.38.71.112.90.5
11-20 years ago2.40.311.11.012.51.410.11.312.81.34.60.87.20.4
21-30 years ago1.20.26.20.85.71.06.61.19.51.25.40.94.50.3
31-40 years ago0.90.23.50.63.90.83.90.95.91.04.40.83.00.2
41-50 years ago0.40.13.20.63.10.75.71.03.80.87.21.02.90.2
over 50 years ago1.30.26.00.86.21.026.62.012.11.345.52.011.40.4
total13.10.754.01.651.12.168.42.055.92.075.81.741.80.6
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.61.043.91.638.72.022.31.923.81.712.81.343.90.6
11-20 years ago17.80.821.11.423.31.814.31.621.41.77.21.117.90.5
21-30 years ago6.80.610.51.011.11.38.41.214.71.46.51.09.00.4
31-40 years ago3.90.46.80.87.41.16.61.110.01.26.51.06.00.3
41-50 years ago2.20.36.00.85.71.08.11.26.61.09.01.25.10.3
over 50 years ago3.60.411.71.113.81.440.42.223.41.758.02.018.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861027/327358
NFI4
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago58.21.118.41.215.11.46.01.09.61.02.80.627.30.5
11-20 years ago15.30.89.70.99.31.13.60.87.50.92.00.59.60.4
21-30 years ago5.70.54.60.75.60.91.80.55.70.82.40.54.60.3
31-40 years ago3.10.43.20.64.40.84.50.85.10.84.60.73.90.2
41-50 years ago1.70.33.50.62.30.63.30.74.20.73.10.62.80.2
over 50 years ago2.20.37.90.811.31.214.21.417.61.311.61.18.70.4
total86.20.747.41.647.91.933.51.849.71.726.41.456.90.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.40.10.60.22.50.61.70.50.40.20.70.30.80.1
11-20 years ago0.10.10.30.20.80.30.50.30.20.20.40.20.30.1
21-30 years ago0.10.10.50.20.60.30.20.20.30.20.20.20.30.1
31-40 years ago0.0.0.10.10.60.30.70.30.40.20.40.20.30.1
41-50 years ago0.10.10.0.0.30.20.50.30.40.20.60.30.20.1
over 50 years ago0.20.10.70.30.70.32.50.60.80.34.20.71.20.1
total0.90.22.20.55.40.96.01.02.40.56.50.83.10.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.70.522.01.317.21.413.41.410.51.17.30.911.70.4
11-20 years ago2.50.310.51.011.21.28.31.110.11.03.90.76.60.3
21-30 years ago1.10.25.90.75.30.86.11.07.70.95.30.84.30.3
31-40 years ago0.90.23.20.63.50.74.40.85.70.85.70.83.20.2
41-50 years ago0.40.12.90.52.70.65.50.93.10.66.20.82.80.2
over 50 years ago1.30.26.00.76.60.922.81.710.81.138.61.611.30.4
total12.80.750.51.646.61.960.51.947.91.767.11.639.90.6
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.21.041.01.534.81.821.21.720.51.410.81.139.80.6
11-20 years ago17.90.820.51.321.31.612.41.317.81.36.30.816.60.5
21-30 years ago6.90.510.91.011.41.28.11.113.71.27.90.99.20.4
31-40 years ago4.00.46.60.88.41.19.61.211.11.110.71.17.40.3
41-50 years ago2.20.36.30.85.40.99.31.27.70.99.91.05.80.3
over 50 years ago3.70.414.71.118.71.539.42.029.21.654.41.721.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861028/327359
NFI4
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago57.71.018.11.214.11.36.30.99.61.02.60.526.00.5
11-20 years ago15.40.89.60.99.41.03.40.77.10.92.00.59.40.4
21-30 years ago5.70.55.00.76.50.92.80.66.70.82.70.55.10.3
31-40 years ago3.00.43.40.54.10.74.60.84.70.74.40.73.80.2
41-50 years ago1.70.33.20.52.60.63.80.73.90.63.10.62.80.2
over 50 years ago2.60.310.20.913.21.217.81.419.11.315.71.110.80.4
total86.30.749.71.549.81.838.61.851.11.630.51.457.90.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.40.10.50.22.20.51.50.50.50.20.60.30.80.1
11-20 years ago0.10.10.30.20.80.30.40.20.20.20.30.20.30.1
21-30 years ago0.10.10.40.20.50.30.10.10.30.20.20.10.30.1
31-40 years ago0.0.0.10.10.50.20.70.30.30.20.40.20.30.1
41-50 years ago0.10.10.0.0.30.20.40.30.30.20.50.20.20.1
over 50 years ago0.20.10.70.21.70.52.60.61.00.34.10.61.40.1
total0.90.22.00.46.00.95.90.92.70.56.10.83.20.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.60.520.51.215.91.312.01.29.81.06.60.811.10.4
11-20 years ago2.50.310.10.910.11.17.41.09.21.03.60.66.30.3
21-30 years ago1.10.25.60.74.90.85.60.97.30.94.80.74.20.2
31-40 years ago0.90.23.10.53.30.63.90.75.50.85.30.73.10.2
41-50 years ago0.40.12.80.52.60.65.10.82.80.55.80.82.60.2
over 50 years ago1.30.26.30.77.40.921.61.511.51.137.31.511.60.4
total12.80.748.31.544.21.855.51.846.21.663.31.538.80.5
totaln/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago64.71.039.11.532.21.719.81.519.81.39.81.037.80.5
11-20 years ago18.10.820.01.220.31.411.11.216.51.25.90.815.90.4
21-30 years ago6.90.511.10.911.91.28.51.114.41.27.70.99.50.4
31-40 years ago3.90.46.50.77.91.09.31.110.61.010.11.07.20.3
41-50 years ago2.20.36.00.75.40.89.31.17.10.99.40.95.70.3
over 50 years ago4.10.417.21.122.31.542.01.931.61.557.01.623.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861029/327360
NFI4
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago58.11.118.71.215.11.36.51.09.61.02.80.626.90.5
11-20 years ago15.40.810.00.910.01.13.60.77.40.92.20.59.70.4
21-30 years ago5.70.55.00.76.80.92.80.77.00.92.80.55.20.3
31-40 years ago3.10.43.30.64.30.74.90.94.80.74.70.73.90.2
41-50 years ago1.70.33.30.52.30.63.90.84.10.73.10.62.80.2
over 50 years ago2.30.38.20.811.41.214.61.418.21.312.51.19.20.4
total86.30.748.61.549.81.836.31.851.01.728.01.457.70.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.40.10.60.22.40.61.60.50.50.20.70.30.80.1
11-20 years ago0.10.10.30.20.90.30.40.30.20.20.40.20.30.1
21-30 years ago0.10.10.50.20.50.30.10.10.40.20.20.20.30.1
31-40 years ago0.0.0.10.10.50.30.80.40.30.20.40.20.30.1
41-50 years ago0.10.10.0.0.30.20.50.30.30.20.60.20.20.1
over 50 years ago0.20.10.70.30.80.32.30.60.90.34.10.71.20.1
total0.90.22.10.45.40.85.80.92.60.56.30.83.10.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.60.521.41.316.61.412.61.310.21.07.10.911.40.4
11-20 years ago2.50.310.20.910.61.17.81.19.61.03.90.76.40.3
21-30 years ago1.10.25.70.75.00.85.90.97.60.95.20.74.30.3
31-40 years ago0.90.23.10.53.30.74.10.85.30.85.60.83.10.2
41-50 years ago0.40.12.80.52.60.65.40.92.90.66.10.82.70.2
over 50 years ago1.30.26.10.76.70.922.01.610.71.037.81.611.20.4
total12.80.749.31.544.71.857.81.946.31.765.71.539.20.5
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.11.040.61.534.01.720.81.620.31.410.61.039.20.6
11-20 years ago18.10.820.51.221.51.511.81.317.21.36.40.816.50.5
21-30 years ago6.90.511.21.012.31.28.91.114.91.28.20.99.70.4
31-40 years ago4.00.46.50.88.11.09.81.210.41.010.81.07.30.3
41-50 years ago2.20.36.10.75.20.89.81.27.30.99.71.05.70.3
over 50 years ago3.80.415.01.118.91.438.91.929.81.554.41.721.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861030/327361
NFI4
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago58.11.118.91.216.11.56.41.010.81.22.90.628.60.5
11-20 years ago15.40.89.91.09.71.23.50.88.51.01.90.510.00.4
21-30 years ago5.70.54.40.75.40.91.90.66.20.91.80.54.60.3
31-40 years ago3.10.43.20.63.40.73.20.74.90.82.80.63.30.2
41-50 years ago1.70.33.10.52.20.62.70.72.80.61.80.52.20.2
over 50 years ago2.20.36.60.88.31.112.51.411.31.210.21.16.80.3
total86.20.746.01.645.02.030.11.944.51.821.31.555.60.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.40.10.60.22.70.61.80.50.40.30.80.30.90.1
11-20 years ago0.10.10.30.20.90.30.50.30.30.20.40.20.30.1
21-30 years ago0.10.10.50.20.60.30.20.20.30.20.30.20.30.1
31-40 years ago0.0.0.10.10.60.30.70.40.30.20.50.30.30.1
41-50 years ago0.10.10.0.0.30.20.50.30.40.20.70.30.30.1
over 50 years ago0.20.10.70.30.60.32.40.60.90.44.60.81.20.1
total0.90.22.20.55.70.96.21.02.60.67.20.93.20.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.70.522.61.318.61.514.21.511.61.28.11.012.30.4
11-20 years ago2.50.310.81.011.91.38.81.211.41.24.30.76.90.3
21-30 years ago1.10.26.00.85.30.96.51.08.61.15.90.94.50.3
31-40 years ago0.90.23.30.63.60.74.50.96.10.95.40.83.20.2
41-50 years ago0.40.13.00.53.00.75.61.03.40.76.50.92.80.2
over 50 years ago1.30.26.10.86.81.024.11.811.71.241.21.811.40.4
total12.90.751.71.649.32.063.71.952.91.871.41.641.10.6
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.21.042.11.637.31.922.41.722.81.611.81.241.80.6
11-20 years ago18.00.821.01.322.51.612.81.420.21.56.60.917.30.5
21-30 years ago6.90.510.91.011.31.38.61.215.11.37.91.09.40.4
31-40 years ago4.00.46.70.87.71.08.41.211.31.28.71.06.80.3
41-50 years ago2.20.36.00.75.50.98.81.26.60.98.91.05.30.3
over 50 years ago3.70.413.41.115.71.439.12.024.01.656.01.819.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861031/327362
NFI4
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago57.81.117.91.214.11.35.90.99.31.02.60.526.30.5
11-20 years ago15.30.89.40.98.81.03.40.77.20.91.90.59.30.4
21-30 years ago5.70.54.60.65.30.81.70.55.50.82.40.54.60.3
31-40 years ago3.00.43.20.54.20.74.30.85.00.84.50.73.80.2
41-50 years ago1.80.33.30.52.20.53.20.74.10.73.10.62.70.2
over 50 years ago2.50.39.60.912.51.216.21.418.41.314.31.110.10.4
total86.20.748.11.547.21.834.81.849.41.728.81.456.80.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.40.10.60.22.30.61.70.50.50.30.60.30.80.1
11-20 years ago0.10.10.30.20.90.30.50.30.20.20.30.20.30.1
21-30 years ago0.10.10.50.20.50.30.10.10.20.20.20.10.30.1
31-40 years ago0.0.0.10.10.50.30.60.30.40.20.40.20.20.1
41-50 years ago0.10.10.0.0.30.20.50.30.30.20.50.20.20.1
over 50 years ago0.20.10.70.31.80.52.70.60.90.34.20.71.40.1
total0.90.22.10.46.30.96.00.92.60.56.30.83.30.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago6.70.521.21.316.71.412.91.310.11.06.70.811.40.4
11-20 years ago2.50.310.40.910.61.17.91.19.71.03.70.66.40.3
21-30 years ago1.10.25.70.75.20.85.80.97.50.94.80.74.20.3
31-40 years ago0.90.23.20.53.40.74.20.85.90.85.30.73.20.2
41-50 years ago0.40.12.90.52.70.65.30.93.00.66.00.82.70.2
over 50 years ago1.30.26.50.87.91.023.01.611.81.138.31.611.90.4
total12.90.749.81.546.51.859.11.948.01.764.91.539.90.5
totaln/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago64.91.039.61.533.11.720.51.619.91.410.01.038.50.6
11-20 years ago17.90.820.11.220.31.511.81.317.11.35.90.816.10.5
21-30 years ago6.90.510.80.911.01.27.71.013.21.27.50.99.00.4
31-40 years ago3.90.46.50.88.21.09.21.111.31.110.21.07.30.3
41-50 years ago2.20.36.20.75.20.88.91.17.40.99.61.05.70.3
over 50 years ago4.00.416.81.122.21.541.92.031.11.656.81.623.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861032/327363
NFI3
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 NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
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/aless than 10 years ago45.51.856.83.263.33.266.62.574.11.818.72.926.62.026.12.410.41.917.43.79.32.56.51.113.41.43.70.831.70.6
11-20 years ago14.91.316.82.511.42.112.91.812.31.47.71.97.51.28.31.58.31.87.72.64.61.92.70.77.61.11.30.58.80.4
21-30 years ago10.61.18.61.96.71.64.81.15.31.02.61.27.11.25.81.23.61.22.81.64.11.72.50.75.80.91.50.55.50.3
31-40 years ago3.90.72.31.02.41.10.90.51.70.63.71.33.30.82.40.83.61.23.61.83.01.51.20.52.60.61.00.42.40.2
41-50 years ago1.10.42.91.22.71.10.0.0.70.41.40.81.10.51.20.61.60.83.61.82.41.42.30.71.60.51.20.41.40.2
over 50 years ago2.30.60.90.62.81.11.10.60.20.24.71.54.81.04.71.27.01.610.12.94.91.99.61.310.71.27.71.15.20.3
total78.31.588.22.289.42.186.31.894.31.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.00.6
inside perimeterless than 10 years ago0.80.30.60.60.0.0.0.0.0.0.40.40.0.0.0.2.00.96.82.54.21.71.00.40.30.20.80.40.70.1
11-20 years ago0.40.20.0.0.0.0.30.30.0.0.0.0.40.30.30.31.20.72.81.62.61.30.90.40.70.30.30.20.50.1
21-30 years ago0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.40.41.20.70.0.3.21.60.60.30.20.20.80.30.40.1
31-40 years ago0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.1.81.20.0.0.60.40.60.30.50.30.30.1
41-50 years ago0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.90.91.01.01.70.60.10.10.60.30.30.1
over 50 years ago0.30.20.0.0.0.0.0.0.0.0.0.0.50.30.0.1.60.80.90.91.41.02.00.60.50.34.80.91.00.1
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.90.56.31.513.13.312.32.96.91.12.40.67.81.13.20.2
outside perimeterless than 10 years ago9.31.17.21.77.71.86.91.33.60.829.03.329.72.125.32.417.32.415.63.523.83.714.71.617.21.57.51.114.10.5
11-20 years ago3.10.60.90.61.70.93.10.91.10.57.91.88.61.39.91.612.72.19.42.811.22.79.11.313.51.46.01.06.70.3
21-30 years ago3.40.71.30.80.0.2.00.70.20.28.82.03.80.96.21.37.51.71.81.28.02.35.61.06.61.06.21.04.30.3
31-40 years ago0.90.40.90.60.40.40.30.30.20.25.81.62.50.73.30.97.71.75.52.25.01.95.71.04.30.85.50.93.10.2
41-50 years ago0.60.30.90.60.40.40.30.30.20.23.41.21.10.52.10.85.71.51.81.24.31.87.61.22.70.76.51.02.70.2
over 50 years ago2.00.50.0.0.40.40.80.50.30.26.01.83.10.83.81.08.31.77.72.67.02.225.61.911.61.344.22.010.70.4
total19.41.411.22.110.62.113.41.85.71.060.93.648.82.350.52.759.23.141.74.859.34.368.42.055.92.075.81.741.80.6
totalless than 10 years ago55.61.864.53.271.03.073.52.377.71.848.23.656.32.351.42.729.72.839.84.837.44.222.11.930.91.912.01.346.50.6
11-20 years ago18.41.417.72.613.12.316.32.013.41.515.62.616.51.718.52.122.22.619.83.918.43.312.81.521.71.77.71.116.10.5
21-30 years ago14.31.39.92.06.71.66.81.35.51.011.42.310.91.512.31.812.22.14.62.015.33.18.71.312.51.38.41.110.20.4
31-40 years ago5.20.83.21.22.81.11.10.61.90.69.52.05.81.15.91.311.32.010.93.08.02.47.51.27.51.17.01.05.80.3
41-50 years ago2.00.53.71.33.11.20.30.30.90.44.81.42.20.73.31.07.71.76.22.37.62.411.61.44.50.88.31.14.50.3
over 50 years ago4.60.80.90.63.21.21.90.70.50.310.62.38.41.38.51.516.92.418.73.813.32.937.32.222.81.756.72.016.90.5
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 #861033/327364
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track74.741.23812.71188.63
road and skidding road36.660.55810.11347.25
road and cable line1.6330.5572.8254.919
road and flight path0.9450.0.0.21001.141
no access intended7.8151.0412.72611.512
total121.623.32328.47153.21
Eastern Juraroad and skidding track29.950.21003.92134.04
road and skidding road9.9130.0.0.75010.612
road and cable line0.8500.0.0.6581.438
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total41.230.21005.21846.72
Western Plateauroad and skidding track34.150.0.3.12437.24
road and skidding road8.9140.0.1.53510.412
road and cable line0.21000.0.0.0.0.2100
road and flight path0.21000.0.0.0.0.2100
no access intended1.9310.0.0.4712.328
total45.330.0.5.01850.32
Central Plateauroad and skidding track47.940.21005.81653.93
road and skidding road12.3110.0.2.52514.810
road and cable line0.21000.0.1.0411.238
road and flight path0.21000.0.0.0.0.2100
no access intended0.7500.0.0.4701.141
total61.320.21009.81271.21
Eastern Plateauroad and skidding track79.930.0.3.92183.72
road and skidding road17.690.0.1.53319.29
road and cable line2.1290.0.0.21002.327
road and flight path0.0.0.0.0.0.0.0.
no access intended1.7320.0.0.5582.328
total101.310.0.6.116107.51
Western Pre-Alpsroad and skidding track5.9170.21005.51711.611
road and skidding road3.3220.0.5.4188.713
road and cable line5.4170.0.12.61018.08
road and flight path1.4370.0.1.6333.025
no access intended3.1230.21001.8295.018
total19.180.37126.9646.32
Central Pre-Alpsroad and skidding track18.090.0.14.31132.36
road and skidding road12.7110.37113.11126.17
road and cable line13.1110.65817.01030.77
road and flight path5.4170.4714.51910.312
no access intended4.2200.21001.1415.518
total53.441.53549.94104.81
Eastern Pre-Alpsroad and skidding track17.490.0.14.11031.56
road and skidding road7.7150.21008.11416.010
road and cable line6.4160.37012.81119.68
road and flight path2.6260.0.1.2383.821
no access intended2.9250.0.2.7255.617
total37.160.55838.9576.52
Northwestern Alpsroad and skidding track6.4160.5586.61613.611
road and skidding road2.0290.21001.9304.220
road and cable line7.2151.83217.8926.87
road and flight path5.3180.21001.8317.215
no access intended9.6130.6586.81517.09
total30.673.22334.9568.72
Central Alpsroad and skidding track2.2280.5570.6583.323
road and skidding road1.1410.0.1.5352.526
road and cable line2.8241.1406.0159.911
road and flight path4.4192.0292.3278.713
no access intended7.9140.7501.63310.312
total18.484.41911.91034.73
Northeastern Alpsroad and skidding track2.3260.4723.6216.315
road and skidding road0.6580.11001.4352.129
road and cable line4.0201.7317.61413.310
road and flight path1.8320.4721.6333.821
no access intended7.5141.5354.91813.810
total16.294.12019.0739.33
Southwestern Alpsroad and skidding track8.4141.53311.71221.68
road and skidding road2.3280.4713.3236.017
road and cable line7.7152.12927.0736.86
road and flight path9.9131.63316.31027.87
no access intended18.1101.63315.61035.36
total46.457.21573.93127.52
Southeastern Alpsroad and skidding track14.1110.21009.51323.88
road and skidding road7.0150.21006.81614.011
road and cable line23.482.12944.2569.84
road and flight path8.9140.6586.41615.810
no access intended31.271.63313.91146.76
total84.644.61980.83170.12
Southern Alpsroad and skidding track6.4161.14110.81218.39
road and skidding road1.3380.3714.5206.117
road and cable line4.7191.83126.9733.56
road and flight path2.1291.7318.21412.012
no access intended39.166.91671.54117.53
total53.7511.812121.92187.41
Switzerlandroad and skidding track347.626.117106.14459.81
road and skidding road123.242.32862.45187.83
road and cable line79.7512.012176.63268.42
road and flight path43.166.81644.0693.94
no access intended136.5314.211123.63274.42
total730.2141.46512.711284.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #861034/327365
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track63.02.071.83.375.03.178.52.477.81.839.15.736.73.146.73.927.04.816.45.321.96.626.64.025.82.825.14.356.40.9
road and skidding road29.91.924.93.220.82.919.92.318.31.717.44.326.92.922.63.39.83.17.93.85.84.14.92.09.31.84.02.019.90.7
road and cable line1.20.51.71.00.0.0.30.32.20.629.25.324.92.817.42.933.55.126.56.423.27.023.73.936.33.017.53.711.10.6
road and flight path0.90.40.0.0.50.50.0.0.0.6.43.17.81.76.51.911.93.526.56.414.26.017.73.56.01.51.91.43.70.3
no access intended5.00.91.71.03.61.31.30.61.80.67.83.03.71.26.82.017.84.222.76.034.97.827.14.022.62.651.55.08.90.5
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.
inside perimeterroad and skidding track34.411.2100.0...100.0...0.0.0.0.0.0.19.010.07.87.513.48.922.47.00.0.8.54.115.52.8
road and skidding road16.68.80.0...0.0...0.0.45.924.939.429.26.26.00.0.5.04.95.94.17.16.94.02.87.42.0
road and cable line16.28.60.0...0.0...0.0.29.624.060.629.249.912.742.313.253.012.430.67.866.712.217.15.533.33.6
road and flight path0.0.0.0...0.0...0.0.24.521.40.0.5.45.342.913.35.04.923.27.214.29.310.34.413.82.6
no access intended32.811.00.0...0.0...100.0.0.0.0.0.19.610.27.06.723.710.617.96.612.08.060.17.130.03.5
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 perimeterroad and skidding track45.04.172.29.066.39.762.47.061.88.824.54.029.73.133.83.617.43.14.53.221.74.615.51.911.01.710.31.421.90.9
road and skidding road37.14.015.77.225.39.025.16.328.28.118.43.626.23.021.83.24.61.713.75.28.53.25.21.28.51.53.70.913.00.7
road and cable line8.22.312.16.50.0.8.23.93.53.546.34.634.03.234.23.654.54.155.67.443.65.539.12.661.12.626.82.037.01.0
road and flight path0.70.70.0.0.0.0.0.0.0.5.92.28.31.83.91.46.32.017.65.710.03.421.52.27.81.58.11.38.90.6
no access intended9.02.40.0.8.45.74.33.06.54.54.91.81.70.96.41.917.23.18.64.116.24.318.72.111.61.751.22.319.20.8
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.
totalroad and skidding track58.81.872.03.174.12.976.42.376.81.830.13.333.02.239.82.620.82.610.33.020.83.518.71.716.91.512.51.340.70.6
road and skidding road31.01.723.72.921.32.820.52.118.91.718.02.826.72.122.42.36.51.59.22.87.32.35.21.08.81.13.70.816.60.5
road and cable line2.90.62.81.20.0.1.40.62.20.639.53.529.42.126.32.447.03.240.74.738.94.234.72.150.92.024.51.722.70.5
road and flight path0.90.30.0.0.50.50.0.0.0.6.11.88.21.25.11.28.11.724.94.210.62.720.71.87.21.17.21.06.20.3
no access intended6.40.91.50.94.11.31.70.72.00.66.41.62.70.76.51.317.62.414.83.322.53.620.71.816.21.552.02.013.90.4
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 #861035/327366
NFI3
forest area
rockfall SilvaProtect · degree of cover of regeneration (7 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectdegree of cover of regeneration (7 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%4.80.84.81.53.41.21.90.73.50.80.80.61.40.51.80.70.90.52.21.22.81.40.20.20.70.30.40.22.00.2
1-4%5.40.86.31.75.41.56.71.37.21.15.81.65.01.06.11.25.51.34.61.84.81.73.10.76.70.92.40.65.20.3
5-9%9.91.16.71.79.41.99.61.510.81.35.91.67.71.27.11.47.81.611.92.86.21.96.31.08.51.04.00.77.80.4
10-25%23.11.519.32.723.92.822.22.219.91.710.02.117.71.714.81.913.32.013.53.07.52.111.01.315.01.37.50.915.80.5
26-50%15.61.315.22.421.72.719.32.119.01.713.82.412.21.512.01.76.41.49.22.54.61.76.81.07.91.05.00.811.70.4
51-75%10.91.110.22.016.92.414.41.916.41.63.71.35.21.04.61.13.11.03.81.73.41.52.80.73.70.71.80.57.10.3
76-100%9.21.025.92.98.91.812.51.717.71.60.90.62.00.63.10.94.01.13.81.72.91.30.50.32.20.50.60.36.10.3
total78.81.488.52.189.62.086.61.894.51.040.93.451.32.249.62.640.92.849.04.332.23.830.71.944.71.821.81.555.80.6
inside perimeter< 1%0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.70.70.60.60.0.0.10.10.10.10.10.0
1-4%0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.51.41.01.10.70.50.30.10.11.30.40.40.1
5-9%0.40.20.0.0.0.0.0.0.0.0.0.0.20.20.30.31.00.62.31.43.41.52.20.60.80.31.70.50.80.1
10-25%0.90.30.0.0.0.0.0.0.0.0.40.40.20.20.0.1.00.63.01.52.01.21.50.50.90.42.60.60.90.1
26-50%0.10.10.60.60.0.0.30.30.0.0.0.0.20.20.0.1.00.63.11.51.10.71.30.50.70.30.80.30.50.1
51-75%0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.60.40.70.52.31.31.20.80.40.30.0.0.40.20.30.1
76-100%0.10.10.0.0.0.0.0.0.0.0.0.0.20.20.0.0.70.50.0.1.41.00.20.20.0.0.30.20.20.1
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.71.312.83.010.72.56.11.02.70.67.20.93.20.2
outside perimeter< 1%1.30.40.0.0.40.40.30.30.0.2.00.91.60.61.50.61.30.60.70.74.91.82.40.63.00.61.50.41.50.2
1-4%1.60.51.30.80.40.40.50.40.20.26.41.62.90.88.01.43.51.05.82.04.81.77.21.19.51.110.41.15.00.3
5-9%2.00.51.40.80.50.50.60.40.30.28.72.05.91.16.61.29.31.76.12.16.22.015.21.59.51.115.71.37.10.3
10-25%5.30.83.01.13.51.24.21.11.00.415.82.618.81.812.51.722.22.412.82.914.82.921.91.716.01.425.11.613.50.4
26-50%4.50.73.11.14.41.35.41.21.20.516.12.511.81.511.91.79.61.77.52.315.32.912.01.310.41.111.11.18.70.4
51-75%2.50.60.90.60.40.41.40.62.00.66.61.83.30.85.21.24.11.24.61.84.81.63.60.82.80.65.20.83.30.2
76-100%1.70.51.30.70.80.60.80.50.90.43.01.13.50.83.91.03.41.10.70.76.32.10.90.41.30.42.10.52.00.2
total18.91.411.02.110.42.013.11.85.51.058.73.447.92.249.62.653.42.938.24.257.14.063.11.952.61.871.01.641.00.6
total< 1%6.40.94.81.53.91.32.10.83.50.82.81.13.10.83.30.92.50.93.61.68.32.32.60.73.80.72.00.53.60.2
1-4%7.20.97.71.85.81.57.21.47.31.112.22.27.91.214.01.810.01.711.82.810.72.410.81.316.31.414.11.210.60.4
5-9%12.21.28.11.89.91.910.21.611.11.314.62.413.81.613.91.818.12.220.33.515.83.023.71.818.91.521.31.515.80.5
10-25%29.31.622.32.827.42.926.32.320.91.726.23.136.62.227.42.336.52.829.34.024.23.434.42.031.91.735.21.730.20.6
26-50%20.21.418.82.626.12.825.02.320.31.729.93.224.31.923.92.217.02.219.73.521.03.220.11.719.01.417.01.320.90.5
51-75%13.61.211.12.117.22.415.81.918.41.710.32.18.61.310.51.67.91.610.72.79.42.36.81.16.50.97.40.910.70.4
76-100%11.01.127.23.09.71.913.31.818.61.63.91.35.71.17.01.38.11.64.51.810.62.51.60.53.60.73.00.68.30.4
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 #861036/327367
NFI3
forest area
rockfall SilvaProtect · stand stability
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/acritical4.20.67.10.82.10.41.90.30.0.3.20.2
less stable22.51.433.51.417.21.210.40.85.80.918.20.5
stable53.71.650.21.528.31.421.91.010.61.233.50.6
total80.41.390.70.947.61.634.21.216.31.554.90.6
inside perimetercritical0.10.10.0.0.20.10.20.10.20.20.20.1
less stable0.60.20.10.10.40.23.20.43.00.71.50.2
stable1.20.40.0.0.20.12.60.44.70.81.60.2
total1.90.40.10.10.80.36.00.67.81.13.20.2
outside perimetercritical0.90.30.50.23.50.62.70.42.60.62.10.2
less stable5.20.73.50.519.31.220.11.026.81.814.60.5
stable11.51.05.20.728.81.437.01.246.42.025.30.6
total17.61.29.20.951.61.659.81.275.81.741.90.6
totalcritical5.20.77.60.85.90.74.90.52.80.75.50.3
less stable28.31.537.01.436.91.533.71.235.61.934.30.6
stable66.51.555.31.557.31.661.51.261.62.060.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861037/327368
NFI4
forest area
rockfall SilvaProtect · type of next treatment (interview survey)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtecttype of next treatment (interview survey) %± %± %± %± %± %± %±
n/ano treatment9.10.727.02.230.12.973.94.062.13.168.74.622.80.7
tending13.70.711.11.66.91.65.32.14.31.31.91.411.20.5
thinning32.11.117.71.916.82.41.61.13.11.14.02.023.90.8
establishment cut12.30.811.41.613.32.13.01.513.22.13.81.911.70.6
removal cut5.30.53.30.91.20.71.61.11.60.81.91.44.00.4
plentering7.10.69.01.41.60.80.0.3.11.10.0.6.00.4
thinning of mountain forest0.10.115.71.814.92.310.62.810.41.98.62.75.20.4
coppice cut0.40.10.0.0.0.0.0.0.0.3.01.70.30.1
conversion0.90.20.50.40.0.0.0.0.0.0.0.0.60.1
transformation0.20.10.0.0.0.0.0.0.0.0.0.0.10.1
sanitary felling2.00.31.50.60.80.50.80.80.0.2.01.41.60.2
plentering in broadleaf forest12.40.81.00.510.01.90.0.0.0.0.0.8.60.5
tending of forest edge1.70.30.50.42.41.00.80.80.40.42.11.41.50.2
planting0.10.10.0.0.0.0.0.0.0.0.0.0.10.1
agrosilvicultural treatments2.70.41.30.62.00.92.51.41.70.84.12.02.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno treatment19.48.723.29.218.26.754.18.544.912.867.96.842.43.7
tending5.55.324.49.49.15.02.92.97.26.90.0.6.71.9
thinning20.09.024.29.40.0.5.43.70.0.2.22.27.02.0
establishment cut35.010.70.0.11.55.42.92.834.812.50.0.9.82.3
removal cut4.94.80.0.2.72.70.0.0.0.0.0.1.10.8
plentering0.0.0.0.0.0.0.0.6.05.80.0.0.50.5
thinning of mountain forest9.86.628.29.840.78.434.78.17.16.925.76.427.43.4
coppice cut0.0.0.0.0.0.0.0.0.0.2.02.00.60.6
conversion0.0.0.0.0.0.0.0.0.0.0.0.0.0.
transformation0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.0.0.0.0.0.0.0.0.0.0.0.0.0.
plentering in broadleaf forest5.45.30.0.17.86.60.0.0.0.0.0.4.11.5
tending of forest edge0.0.0.0.0.0.0.0.0.0.0.0.0.0.
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.0.0.0.0.0.0.0.0.0.2.02.00.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno treatment15.32.222.81.923.72.549.12.760.92.665.72.240.91.0
tending8.21.710.41.38.81.62.60.94.41.11.20.55.90.5
thinning26.42.79.71.316.82.14.51.14.91.26.31.110.40.6
establishment cut19.22.410.61.410.61.710.81.715.01.94.00.910.90.7
removal cut5.21.32.60.73.11.00.60.41.50.72.70.82.50.3
plentering6.31.511.11.43.01.00.30.31.20.60.20.24.00.4
thinning of mountain forest5.21.427.12.017.62.227.62.410.61.714.01.618.00.8
coppice cut0.70.50.0.0.0.0.30.30.0.2.90.80.70.2
conversion0.0.1.10.51.00.60.0.0.0.0.70.40.50.2
transformation0.0.0.20.20.40.40.0.0.0.0.20.20.10.1
sanitary felling1.80.81.60.61.00.61.20.60.0.0.80.41.10.2
plentering in broadleaf forest7.71.61.10.512.01.80.0.0.30.30.0.2.80.3
tending of forest edge1.90.80.60.41.30.70.30.30.60.40.20.20.70.2
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments2.20.91.20.50.70.52.70.90.60.41.00.51.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno treatment10.00.724.61.426.21.855.62.261.02.066.41.931.00.6
tending12.90.711.01.08.01.13.30.84.50.81.30.48.80.4
thinning31.21.013.51.115.81.53.80.84.00.85.60.917.70.5
establishment cut13.40.710.71.011.81.38.31.214.71.43.60.811.30.4
removal cut5.20.52.90.62.20.60.80.41.50.52.40.63.30.2
plentering6.90.59.91.02.20.60.20.22.10.60.20.25.00.3
thinning of mountain forest0.90.222.11.317.81.623.91.910.51.214.11.411.30.4
coppice cut0.40.10.0.0.0.0.20.20.0.2.80.70.50.1
conversion0.80.20.80.30.50.30.0.0.0.0.50.30.60.1
transformation0.10.10.10.10.20.20.0.0.0.0.20.20.10.0
sanitary felling2.00.31.60.40.80.41.00.40.0.1.00.41.30.2
plentering in broadleaf forest11.70.71.00.311.51.30.0.0.10.10.0.6.00.3
tending of forest edge1.70.30.60.31.70.50.40.30.50.30.50.31.10.1
planting0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
agrosilvicultural treatments2.60.41.20.41.20.42.40.71.00.41.60.51.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #861038/327369
NFI3
forest area
rockfall SilvaProtect · cause of salvage logging
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectcause of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a69.13.075.712.677.58.662.72.479.14.755.34.4100.0.80.08.285.62.170.54.469.93.664.84.485.010.165.67.164.84.980.15.583.03.277.95.166.14.596.52.077.68.178.42.287.63.073.59.366.03.073.00.8
insects9.11.90.0.4.94.910.41.55.52.713.33.20.0.12.56.83.31.19.42.811.12.52.61.57.37.26.03.517.53.912.54.55.41.96.33.09.43.11.21.211.26.28.71.56.72.35.15.09.42.08.30.5
fungi0.40.40.0.0.0.0.50.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.10.1
windthrow19.02.524.312.67.85.624.22.111.13.728.94.00.0.3.73.72.51.018.33.717.83.028.14.17.77.528.36.815.73.77.43.610.12.615.84.623.14.40.0.3.63.510.21.60.80.821.49.121.52.615.50.7
snow load0.0.0.0.0.0.0.50.30.0.1.71.30.0.3.73.75.11.30.0.1.20.80.80.80.0.0.0.0.0.0.0.0.90.90.0.1.41.40.0.0.0.0.30.30.0.0.0.0.90.60.90.2
avalanches0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.80.50.0.0.0.0.0.0.0.0.0.1.01.00.0.0.0.0.0.0.0.0.0.7.65.30.0.1.61.10.0.0.0.0.30.1
landslides0.0.0.0.4.94.90.20.20.0.0.0.0.0.0.0.1.50.80.0.0.0.0.0.0.0.0.0.1.11.10.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.30.1
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.90.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.21.20.0.0.0.0.0.0.0.0.0.0.00.0
loss of vitality1.80.90.0.4.94.91.00.54.32.50.70.70.0.0.0.0.30.31.81.30.0.2.91.70.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.0.0.0.90.51.61.10.0.1.70.91.00.2
others0.50.50.0.0.0.0.20.20.0.0.0.0.0.0.0.0.70.50.0.0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0.0.0.1.21.10.0.1.20.60.90.90.0.0.0.0.40.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a......86.77.2100.0.....92.17.7100.0.83.515.1..100.0.100.0.100.0.100.0...100.0.100.0...96.43.590.49.1100.0.97.12.8....95.21.7
insects......4.24.10.0.....7.97.70.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...3.63.59.69.10.0.0.0.....2.51.3
fungi......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....0.0.
windthrow......4.74.60.0.....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.....0.60.6
snow load......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.2.92.8....0.60.6
avalanches......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....0.0.
landslides......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....0.0.
flooding......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....0.0.
forest fire......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....0.0.
loss of vitality......4.54.40.0.....0.0.0.0.16.515.1..0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....1.10.8
others......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....0.0.
total......100.0.100.0.....100.0.100.0.100.0...100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.....100.0.
outside perimetern/a100.0.66.612.769.611.969.02.487.28.568.95.5..85.06.387.91.675.26.074.97.372.79.771.511.061.97.581.83.350.036.184.110.577.45.579.411.097.60.886.56.482.13.892.61.433.412.964.916.883.60.8
insects0.0.0.0.19.710.69.01.55.65.413.03.9..5.43.84.11.00.0.11.65.59.36.40.0.11.54.710.12.60.0.8.58.210.24.00.0.1.00.53.03.05.92.33.51.00.0.13.712.75.50.5
fungi0.0.0.0.0.0.0.30.30.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
windthrow0.0.12.99.05.45.318.02.07.27.014.94.4..9.65.33.30.924.86.013.55.713.67.428.511.019.36.35.01.950.036.17.47.210.74.114.810.00.80.510.55.88.72.82.00.866.612.911.310.78.10.6
snow load0.0.0.0.5.35.30.0.0.0.1.41.4..0.0.2.30.70.0.0.0.0.0.0.0.2.52.51.30.90.0.0.0.1.71.75.75.60.60.40.0.1.11.10.60.40.0.10.19.71.00.2
avalanches0.0.0.0.0.0.0.30.30.0.0.0...0.0.0.90.50.0.0.0.0.0.0.0.0.0.1.71.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.1
landslides0.0.0.0.0.0.1.10.50.0.1.71.7..0.0.0.50.30.0.0.0.0.0.0.0.4.73.30.0.0.0.0.0.0.0.0.0.0.0.0.0.2.21.50.30.30.0.0.0.0.60.2
flooding0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.00.0
loss of vitality0.0.20.411.00.0.2.20.80.0.0.0...0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.40.0.0.0.0.60.2
others0.0.0.0.0.0.0.30.30.0.0.0...0.0.0.70.40.0.0.0.4.34.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a70.32.970.89.174.76.966.21.781.04.160.03.4100.0.84.44.487.51.272.43.570.93.266.24.078.77.464.55.175.32.879.25.583.63.078.33.667.74.197.40.783.94.579.41.991.71.255.19.265.92.978.20.5
insects8.81.80.0.10.15.09.61.05.42.413.22.50.0.8.43.33.70.76.11.911.22.33.51.63.63.58.62.912.92.212.14.45.51.87.92.48.32.71.20.57.33.28.01.34.00.92.82.89.51.96.90.3
fungi0.40.40.0.0.0.0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.10.0
windthrow18.32.418.17.66.94.120.81.410.23.224.13.00.0.5.92.92.90.619.73.117.02.725.93.717.76.723.54.69.31.98.73.89.62.413.13.022.14.10.60.35.92.99.81.41.60.642.29.221.22.611.90.4
snow load0.0.0.0.1.91.90.20.20.0.1.61.00.0.1.31.33.30.70.0.1.00.70.70.70.0.1.21.20.70.50.0.0.80.80.80.81.91.40.40.30.0.0.50.30.60.40.0.1.20.71.00.1
avalanches0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.80.30.0.0.0.0.0.0.0.0.0.1.30.80.0.0.0.0.0.0.0.0.0.2.82.00.0.0.40.30.0.0.0.0.30.1
landslides0.0.0.0.3.23.20.60.30.0.0.60.60.0.0.0.0.80.30.0.0.0.0.0.0.0.2.31.60.40.40.0.0.0.0.0.0.0.0.0.0.0.0.70.40.20.20.0.0.0.0.40.1
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.20.20.0.0.0.0.00.0
loss of vitality1.70.911.16.33.23.21.60.43.52.00.50.50.0.0.0.0.30.21.81.00.0.2.51.50.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.0.70.40.80.40.0.1.70.80.90.1
others0.40.40.0.0.0.0.20.20.0.0.0.0.0.0.0.0.70.30.0.0.0.1.20.90.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.90.40.20.20.0.0.0.0.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #861039/327370
NFI3
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
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/aless than 10 years ago45.01.857.13.262.43.166.52.574.21.818.02.725.82.025.42.310.81.814.42.98.42.17.21.111.41.13.00.628.70.5
11-20 years ago15.31.316.92.511.72.113.11.812.31.49.72.17.31.29.21.58.21.68.82.36.31.92.80.77.40.92.90.68.80.4
21-30 years ago10.81.18.41.87.21.64.81.15.41.02.81.16.91.26.51.34.51.24.81.84.91.65.40.96.60.94.50.76.30.3
31-40 years ago4.00.72.21.02.81.10.90.51.60.53.81.33.70.82.20.84.91.22.61.33.51.43.00.74.70.73.20.63.20.2
41-50 years ago1.00.42.81.12.61.10.0.0.70.41.60.81.20.51.20.63.01.04.61.72.81.34.20.83.40.62.60.52.20.2
over 50 years ago2.80.60.90.63.11.21.10.60.20.25.71.66.91.15.81.212.21.916.03.015.02.610.91.316.11.310.21.07.80.3
total78.81.488.52.189.82.086.41.894.41.041.83.451.92.250.22.643.62.851.14.041.03.733.51.849.71.726.41.457.00.5
inside perimeterless than 10 years ago0.80.30.60.60.0.0.0.0.0.0.40.40.0.0.0.1.70.74.81.83.21.30.80.40.30.20.60.30.60.1
11-20 years ago0.40.20.0.0.0.0.30.30.0.0.0.0.40.30.30.31.30.62.01.12.01.00.80.30.60.30.20.20.50.1
21-30 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.30.31.00.60.0.2.51.20.70.30.20.20.60.30.30.1
31-40 years ago0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.3.21.40.0.0.50.30.50.20.30.20.30.1
41-50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.60.60.80.81.40.50.10.10.50.20.30.1
over 50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.40.30.0.1.30.71.30.91.10.81.80.50.70.34.30.71.10.1
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.61.311.92.79.52.26.01.02.40.56.50.83.10.2
outside perimeterless than 10 years ago9.21.07.01.77.41.76.91.33.60.826.23.029.02.123.42.214.22.013.92.818.93.012.41.314.11.26.60.912.80.4
11-20 years ago3.00.60.90.61.70.83.10.91.10.57.61.78.21.210.11.611.71.97.32.19.22.28.01.110.81.15.50.86.30.3
21-30 years ago3.30.61.30.70.0.1.90.70.20.29.02.03.60.95.91.26.21.41.91.16.21.86.01.06.50.97.00.94.50.3
31-40 years ago0.90.30.90.60.40.40.30.30.20.25.21.42.40.73.30.96.31.43.91.63.81.55.50.93.40.65.30.83.00.2
41-50 years ago0.60.30.80.60.40.40.30.30.20.23.01.01.10.52.20.85.01.32.51.23.31.46.51.02.50.56.00.82.70.2
over 50 years ago1.90.50.0.0.40.40.80.50.30.26.81.83.10.84.11.07.51.57.52.28.02.022.21.710.51.136.71.610.60.4
total18.91.411.02.110.22.013.31.85.61.057.93.447.32.249.02.650.92.837.03.949.53.860.51.947.91.767.11.639.90.6
totalless than 10 years ago55.01.864.73.169.83.073.52.377.71.744.63.454.82.248.82.626.72.533.03.830.63.520.41.625.81.510.21.042.00.6
11-20 years ago18.71.417.82.613.42.216.52.013.41.417.32.615.91.719.52.121.22.318.13.217.52.911.51.318.91.48.71.015.60.5
21-30 years ago14.31.39.72.07.21.66.71.35.61.011.82.210.51.412.81.811.71.86.72.113.52.612.01.313.41.212.11.111.20.4
31-40 years ago5.20.83.11.23.21.21.10.61.80.69.11.96.11.15.81.211.21.89.72.47.42.09.01.28.51.08.91.06.60.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.71.32.30.73.31.08.31.67.72.16.92.012.11.36.10.89.01.05.20.3
over 50 years ago4.90.80.90.63.51.21.90.70.50.312.52.310.51.39.91.621.02.324.83.524.13.235.01.927.41.551.11.719.40.5
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 #861040/327371
NFI3
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 NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
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/aless than 10 years ago45.01.857.13.262.43.166.42.574.21.818.62.826.02.025.62.311.11.816.73.39.02.47.41.112.91.33.10.630.00.5
11-20 years ago15.31.316.92.511.72.113.11.812.31.49.62.17.41.29.31.68.61.77.92.45.41.92.90.78.21.02.20.59.00.4
21-30 years ago10.81.18.41.87.21.64.81.15.41.02.41.17.01.26.31.34.11.24.01.83.71.54.50.97.01.02.90.66.00.3
31-40 years ago4.00.72.21.02.81.10.90.51.60.53.91.33.80.92.30.83.81.13.01.53.41.52.30.63.30.71.90.52.80.2
41-50 years ago1.00.42.81.12.61.10.0.0.70.41.70.81.20.51.20.62.50.93.01.52.11.22.90.71.60.51.50.41.60.2
over 50 years ago2.80.60.90.63.11.21.10.60.20.24.31.46.21.15.31.210.21.813.13.08.22.210.21.311.31.29.81.16.30.3
total78.81.488.52.189.82.086.31.894.41.040.53.551.52.249.92.640.32.947.74.431.83.830.11.944.51.821.31.555.70.6
inside perimeterless than 10 years ago0.80.30.60.60.0.0.0.0.0.0.40.40.0.0.0.1.80.85.62.13.71.50.90.40.30.20.70.30.70.1
11-20 years ago0.40.20.0.0.0.0.30.30.0.0.0.0.40.30.30.31.40.72.31.32.31.10.80.40.70.30.30.20.50.1
21-30 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.30.31.00.60.0.2.81.40.70.40.10.10.60.30.30.1
31-40 years ago0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.3.81.60.0.0.50.30.50.30.40.20.30.1
41-50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.70.70.90.91.50.50.10.10.50.30.30.1
over 50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.40.30.0.1.40.70.80.81.30.91.70.50.80.34.70.81.10.1
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.91.413.13.011.02.66.21.02.60.67.20.93.20.2
outside perimeterless than 10 years ago9.21.07.01.77.41.76.91.33.60.827.03.129.22.123.72.215.02.116.13.321.93.413.11.415.91.47.31.013.40.4
11-20 years ago3.00.60.90.61.70.83.10.91.10.57.81.88.21.29.91.612.42.07.72.410.62.58.51.212.21.26.10.96.60.3
21-30 years ago3.30.61.30.70.0.2.00.70.20.29.32.03.60.96.01.36.51.51.51.07.12.16.31.07.11.07.20.94.60.3
31-40 years ago0.90.30.90.60.40.40.30.30.20.25.41.52.40.73.40.96.71.54.61.94.41.75.50.93.70.75.40.83.10.2
41-50 years ago0.60.30.80.60.40.40.30.30.20.23.11.11.10.52.20.85.31.32.91.43.81.66.81.02.50.66.00.92.70.2
over 50 years ago1.90.50.0.0.40.40.80.50.30.26.51.83.10.84.11.07.91.66.32.29.32.323.51.811.61.239.51.810.70.4
total18.91.411.02.110.22.013.31.85.61.059.13.547.72.249.22.653.82.939.24.357.24.163.71.952.91.871.41.641.10.6
totalless than 10 years ago55.01.864.73.169.83.073.42.377.71.745.93.455.22.249.32.627.92.638.54.334.73.921.41.729.11.711.01.144.10.6
11-20 years ago18.71.417.82.613.42.216.52.013.41.417.42.616.01.719.42.122.42.517.93.418.33.112.21.421.01.58.61.016.10.5
21-30 years ago14.31.39.72.07.21.66.71.35.61.011.72.310.61.412.61.811.71.95.42.013.72.811.51.314.31.310.71.110.90.4
31-40 years ago5.20.83.11.23.21.21.10.61.80.69.31.96.21.15.91.210.51.811.32.87.82.28.31.27.51.07.71.06.10.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.81.32.30.73.41.08.11.66.62.16.82.111.21.34.20.78.01.04.60.3
over 50 years ago4.90.80.90.63.51.21.90.70.50.310.92.29.81.39.41.519.52.320.23.618.73.135.42.023.81.654.01.818.10.5
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 #861041/327372
NFI3
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
state2004/06
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/aless than 10 years ago44.61.857.13.261.83.166.52.573.91.818.12.726.12.025.42.311.11.818.73.49.42.47.41.112.81.23.10.629.80.5
11-20 years ago15.41.316.92.512.42.113.21.812.41.49.82.17.31.29.11.58.71.67.72.35.91.92.90.78.11.02.30.59.00.4
21-30 years ago11.01.18.41.87.11.64.71.15.41.02.41.16.91.16.21.24.01.13.91.73.61.54.40.97.10.92.80.66.00.3
31-40 years ago3.90.72.21.02.71.11.10.61.60.53.81.33.70.82.20.83.71.12.91.43.31.52.60.73.60.71.80.52.80.2
41-50 years ago1.00.42.81.12.61.00.0.0.70.41.60.81.20.51.10.62.40.92.91.42.01.23.00.71.60.51.60.51.60.2
over 50 years ago2.90.60.90.63.01.11.10.60.40.35.21.56.11.05.51.211.21.812.82.98.02.110.41.311.51.210.21.16.50.3
total78.81.488.52.189.62.086.61.894.51.040.93.451.32.249.62.640.92.849.04.332.23.830.71.944.71.821.81.555.80.6
inside perimeterless than 10 years ago0.80.30.60.60.0.0.0.0.0.0.40.40.0.0.0.1.70.85.52.03.61.50.80.40.40.20.70.30.70.1
11-20 years ago0.40.20.0.0.0.0.30.30.0.0.0.0.40.30.30.31.30.72.21.32.21.10.80.40.70.30.30.20.50.1
21-30 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.30.31.00.60.0.2.81.40.70.40.10.10.60.30.30.1
31-40 years ago0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.3.71.60.0.0.50.30.50.30.40.20.30.1
41-50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.70.70.90.91.50.50.10.10.50.30.30.1
over 50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.40.30.0.1.40.70.70.71.20.91.70.50.80.34.70.81.10.1
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.71.312.83.010.72.56.11.02.70.67.20.93.20.2
outside perimeterless than 10 years ago9.21.07.01.77.61.76.81.33.60.826.33.029.52.123.82.215.22.115.83.221.43.313.01.415.71.37.10.913.40.4
11-20 years ago3.10.60.90.61.60.83.00.91.10.57.61.78.11.29.91.612.01.97.52.311.02.58.41.211.91.26.00.96.50.3
21-30 years ago3.20.61.30.70.0.1.90.70.20.29.12.03.60.96.21.26.31.41.41.07.02.16.31.07.21.07.40.94.60.3
31-40 years ago0.90.30.90.60.40.40.30.30.20.25.61.52.40.73.30.96.81.54.51.84.31.65.40.93.60.75.30.83.00.2
41-50 years ago0.60.30.80.60.40.40.30.30.20.23.11.11.20.52.20.85.41.32.91.43.71.56.81.02.40.65.80.82.70.2
over 50 years ago1.90.50.0.0.40.40.80.50.30.27.01.83.10.84.31.17.61.56.22.19.72.323.31.711.71.239.41.810.80.4
total18.91.411.02.110.42.013.11.85.51.058.73.447.92.249.62.653.42.938.24.257.14.063.11.952.61.871.01.641.00.6
totalless than 10 years ago54.61.864.73.169.43.073.32.377.51.844.83.455.62.249.22.628.02.639.94.334.43.921.21.728.91.710.91.143.90.6
11-20 years ago18.91.417.82.614.02.216.52.013.51.417.42.615.81.719.32.122.02.417.53.319.13.212.11.320.71.58.51.016.10.5
21-30 years ago14.51.39.72.07.11.66.61.35.61.011.42.210.51.412.61.711.31.85.32.013.32.711.41.314.41.310.81.110.90.4
31-40 years ago5.20.83.11.23.11.21.40.61.80.69.51.96.11.15.81.210.51.811.12.77.62.28.61.27.71.07.50.96.20.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.71.32.40.73.30.98.11.66.52.16.62.111.31.34.20.77.91.04.60.3
over 50 years ago5.00.80.90.63.41.21.90.70.70.412.22.39.71.39.81.620.22.319.83.518.93.135.52.024.01.654.41.818.40.5
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 #861042/327373
NFI3
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
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/aless than 10 years ago44.61.857.13.261.83.166.52.573.91.817.72.725.92.025.12.310.81.716.03.08.72.17.11.011.31.13.10.628.50.5
11-20 years ago15.41.316.92.512.42.113.21.812.41.410.02.17.21.29.01.58.21.68.62.36.81.92.70.77.50.93.00.68.90.4
21-30 years ago11.01.18.41.87.11.64.71.15.41.02.71.16.81.16.41.34.41.24.71.74.81.65.40.96.60.94.50.76.20.3
31-40 years ago3.90.72.21.02.71.11.10.61.60.53.81.33.70.82.20.84.81.22.51.23.41.43.20.74.90.73.10.63.30.2
41-50 years ago1.00.42.81.12.61.00.0.0.70.41.60.81.20.51.10.62.91.04.51.72.81.24.40.83.40.62.70.52.20.2
over 50 years ago2.90.60.90.63.01.11.10.60.40.36.11.66.81.16.01.212.81.916.22.914.72.611.21.316.21.310.51.07.90.3
total78.81.488.52.189.62.086.61.894.51.041.93.451.72.249.82.643.92.852.44.041.23.633.91.849.91.726.81.457.10.5
inside perimeterless than 10 years ago0.80.30.60.60.0.0.0.0.0.0.40.40.0.0.0.1.60.74.71.73.21.30.80.40.40.20.60.30.60.1
11-20 years ago0.40.20.0.0.0.0.30.30.0.0.0.0.40.30.20.21.30.61.91.11.91.00.80.30.60.30.20.20.50.1
21-30 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.30.30.90.60.0.2.41.20.70.30.20.20.60.20.30.1
31-40 years ago0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.3.11.40.0.0.50.30.50.20.30.20.30.1
41-50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.60.60.70.71.40.50.10.10.50.20.30.1
over 50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.40.30.0.1.30.61.30.91.10.81.80.50.70.34.30.71.10.1
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.41.311.62.69.32.26.01.02.50.56.50.83.10.2
outside perimeterless than 10 years ago9.21.07.01.77.61.76.81.33.60.825.73.029.22.123.52.214.42.013.52.818.53.012.31.313.81.26.50.812.70.4
11-20 years ago3.10.60.90.61.60.83.00.91.10.57.41.78.11.210.11.611.41.87.12.19.62.27.91.110.61.15.40.86.30.3
21-30 years ago3.20.61.30.70.0.1.90.70.20.28.82.03.50.86.11.26.01.31.81.16.01.85.90.96.60.97.10.94.50.3
31-40 years ago0.90.30.90.60.40.40.30.30.20.25.51.42.30.73.30.96.51.43.81.53.81.45.50.93.30.65.30.83.00.2
41-50 years ago0.60.30.80.60.40.40.30.30.20.23.01.01.20.52.10.75.11.32.41.23.21.36.41.02.60.55.90.82.70.2
over 50 years ago1.90.50.0.0.40.40.80.50.30.27.21.83.10.84.21.07.31.57.32.18.42.022.01.710.61.136.51.610.50.4
total18.91.411.02.110.42.013.11.85.51.057.73.447.52.249.42.650.72.836.03.849.53.760.11.947.61.766.71.639.80.6
totalless than 10 years ago54.61.864.73.169.43.073.32.377.51.843.83.455.12.248.72.626.92.534.23.830.43.520.21.625.51.510.21.041.90.6
11-20 years ago18.91.417.82.614.02.216.52.013.51.417.42.515.71.619.42.120.92.317.63.118.32.911.41.318.81.48.71.015.60.5
21-30 years ago14.51.39.72.07.11.66.61.35.61.011.62.210.41.412.81.711.31.86.52.013.22.512.01.313.51.212.21.111.10.4
31-40 years ago5.20.83.11.23.11.21.40.61.80.69.31.86.01.15.71.211.21.89.52.37.22.09.11.28.61.08.71.06.60.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.61.32.40.73.30.98.31.67.52.16.81.912.21.36.10.89.01.05.20.3
over 50 years ago5.00.80.90.63.41.21.90.70.70.413.42.310.41.310.21.621.32.324.83.524.23.235.11.927.51.551.31.719.60.5
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 #861043/327374
NFI3
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: terrestrial grid NFI3
state2004/06
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/aless than 10 years ago43.91.756.73.161.72.965.32.373.41.718.52.525.31.824.22.19.91.618.43.210.62.37.21.012.21.12.90.629.40.5
11-20 years ago15.11.216.32.412.02.013.41.712.61.39.01.97.11.18.51.47.91.56.82.15.71.83.40.78.31.02.10.58.90.3
21-30 years ago12.21.18.51.87.41.55.41.15.50.92.00.97.51.16.71.24.41.13.51.53.91.54.60.87.20.93.00.66.30.3
31-40 years ago3.80.62.10.92.91.11.00.51.80.53.91.23.50.82.90.83.91.14.11.62.91.33.30.73.60.71.90.52.90.2
41-50 years ago1.00.33.91.32.71.00.0.0.70.31.50.71.10.41.30.62.40.82.61.32.51.32.80.71.80.51.40.41.60.2
over 50 years ago3.30.60.80.63.11.11.00.50.30.24.61.35.71.05.01.110.51.713.32.89.72.210.81.211.71.110.11.06.60.3
total79.31.488.32.189.81.986.21.794.30.939.43.150.02.148.62.439.12.748.64.135.43.632.11.844.91.721.41.455.70.5
inside perimeterless than 10 years ago0.80.30.50.50.0.0.0.0.0.0.70.50.20.20.0.1.50.76.22.03.31.30.80.30.40.20.80.30.70.1
11-20 years ago0.30.20.0.0.0.0.30.30.0.0.0.0.50.30.20.21.20.62.01.22.01.00.70.30.70.30.20.20.50.1
21-30 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.20.20.30.31.20.60.0.2.41.20.60.30.10.10.60.20.30.1
31-40 years ago0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.3.41.50.0.0.50.30.50.20.40.20.30.1
41-50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.70.70.70.71.40.40.10.10.50.20.30.1
over 50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.60.30.0.1.20.60.70.71.20.81.80.50.80.34.80.71.10.1
total2.20.50.50.50.0.0.30.30.0.0.70.51.50.50.70.45.31.213.02.89.72.35.80.92.70.67.30.93.20.2
outside perimeterless than 10 years ago9.21.06.81.67.31.67.11.33.70.824.82.829.92.024.12.116.12.015.53.021.03.113.01.315.81.38.00.913.50.4
11-20 years ago3.00.61.60.81.50.72.60.81.00.410.01.98.01.210.21.512.41.87.82.310.52.38.11.111.41.15.50.86.50.3
21-30 years ago2.90.61.20.70.30.32.40.70.30.28.71.83.40.86.31.27.21.41.30.97.32.06.10.97.40.97.20.94.70.3
31-40 years ago0.80.30.80.60.30.30.50.30.20.25.51.42.30.73.10.86.91.44.81.83.81.45.90.93.60.75.30.83.10.2
41-50 years ago0.60.20.80.50.30.30.30.30.10.14.01.21.50.52.20.75.01.22.71.33.31.36.51.02.30.56.00.82.70.2
over 50 years ago2.10.50.0.0.30.30.70.40.30.26.91.73.30.84.81.08.01.56.42.19.12.122.51.611.91.139.11.710.70.3
total18.51.311.22.010.21.913.61.75.70.959.93.248.42.150.72.455.62.738.44.055.03.862.11.852.51.771.31.541.20.5
totalless than 10 years ago53.91.764.03.069.12.872.52.277.21.744.13.155.32.148.32.427.52.440.14.134.93.620.91.628.41.611.81.143.60.6
11-20 years ago18.41.317.82.413.42.116.31.813.61.419.02.515.61.618.91.921.52.216.63.118.22.912.21.320.41.47.80.915.80.4
21-30 years ago15.31.29.71.97.71.57.81.35.80.910.72.011.11.413.31.712.81.84.81.813.72.611.41.214.71.210.81.111.30.4
31-40 years ago4.90.72.91.13.31.11.50.62.00.69.41.85.81.06.21.210.81.712.22.76.81.99.71.27.70.97.70.96.30.3
41-50 years ago1.80.54.61.43.01.10.30.30.80.45.51.42.60.73.50.97.71.56.01.96.51.910.71.24.20.77.90.94.60.3
over 50 years ago5.60.80.80.63.51.11.70.60.70.311.42.09.61.29.91.519.82.220.33.420.03.035.21.924.41.554.01.718.40.4
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 #861044/327375
NFI3
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
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/aless than 10 years ago43.91.756.73.161.72.965.32.373.41.718.12.525.01.823.92.19.71.615.72.89.62.16.91.010.81.02.90.528.00.5
11-20 years ago15.11.216.32.412.02.013.41.712.61.39.21.87.21.18.41.47.51.47.52.06.41.73.20.77.70.92.80.58.70.3
21-30 years ago12.21.18.51.87.41.55.41.15.50.92.30.97.41.16.91.25.01.15.21.75.81.65.60.96.80.84.60.76.70.3
31-40 years ago3.80.62.10.92.91.11.00.51.80.53.81.23.50.82.80.84.81.14.01.53.01.23.90.75.10.73.00.63.40.2
41-50 years ago1.00.33.91.32.71.00.0.0.70.31.50.71.00.41.20.62.80.94.51.63.11.34.00.83.60.62.40.52.20.2
over 50 years ago3.30.60.80.63.11.11.00.50.30.25.41.46.51.05.51.112.71.815.92.715.92.511.71.216.11.210.51.08.00.3
total79.31.488.32.189.81.986.21.794.30.940.33.150.52.148.82.442.52.652.83.743.83.435.31.750.01.626.21.457.00.5
inside perimeterless than 10 years ago0.80.30.50.50.0.0.0.0.0.0.70.50.20.20.0.1.40.65.31.72.81.20.70.30.30.20.70.30.70.1
11-20 years ago0.30.20.0.0.0.0.30.30.0.0.0.0.50.30.20.21.10.61.71.01.80.90.70.30.70.30.20.10.50.1
21-30 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.20.20.30.31.10.60.0.2.11.10.60.30.20.20.50.20.30.1
31-40 years ago0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.2.91.30.0.0.40.30.40.20.40.20.30.1
41-50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.60.60.60.61.30.40.10.10.40.20.30.1
over 50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.60.30.0.1.20.61.10.81.00.71.90.50.90.34.40.71.10.1
total2.20.50.50.50.0.0.30.30.0.0.70.51.50.50.70.45.01.211.62.58.32.05.60.92.60.56.60.83.10.2
outside perimeterless than 10 years ago9.21.06.81.67.31.67.11.33.70.824.32.729.61.923.92.115.21.913.22.618.12.712.31.314.01.17.30.812.90.4
11-20 years ago3.00.61.60.81.50.72.60.81.00.49.81.87.91.110.41.511.71.77.22.09.02.07.71.010.21.05.00.76.20.3
21-30 years ago2.90.61.20.70.30.32.40.70.30.28.51.83.40.86.21.26.81.31.71.06.31.75.80.96.80.87.10.84.60.2
31-40 years ago0.80.30.80.60.30.30.50.30.20.25.41.32.30.63.10.86.51.34.11.53.31.25.90.93.30.65.30.73.00.2
41-50 years ago0.60.20.80.50.30.30.30.30.10.13.91.21.50.52.20.74.71.12.31.12.81.26.20.92.40.56.00.82.70.2
over 50 years ago2.10.50.0.0.30.30.70.40.30.27.11.73.30.74.81.07.61.47.22.08.31.921.31.510.81.036.41.510.50.3
total18.51.311.22.010.21.913.61.75.70.959.03.147.92.150.52.452.52.635.63.647.93.559.11.847.41.667.11.539.90.5
totalless than 10 years ago53.91.764.03.069.12.872.52.277.21.743.13.154.82.147.82.426.32.334.23.630.63.319.91.525.11.410.91.041.60.5
11-20 years ago18.41.317.82.413.42.116.31.813.61.419.02.515.61.619.01.920.32.116.42.917.12.611.61.218.51.38.00.915.40.4
21-30 years ago15.31.29.71.97.71.57.81.35.80.910.92.011.01.313.41.612.91.86.91.914.22.511.91.213.81.112.21.111.60.4
31-40 years ago4.90.72.91.13.31.11.50.62.00.69.21.85.81.06.11.111.31.710.92.46.31.710.21.28.80.98.70.96.70.3
41-50 years ago1.80.54.61.43.01.10.30.30.80.45.41.32.50.73.40.97.81.47.42.06.61.811.51.26.10.88.80.95.20.3
over 50 years ago5.60.80.80.63.51.11.70.60.70.312.52.110.31.310.21.521.42.224.23.325.23.034.91.827.71.551.31.619.60.4
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 #861045/327376
NFI3
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
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/aless than 10 years ago44.41.856.93.261.03.166.22.573.91.817.42.625.01.924.52.210.41.614.22.77.91.96.81.010.91.12.80.527.50.5
11-20 years ago15.31.316.82.512.22.113.11.812.41.49.82.07.01.18.81.57.71.57.62.06.11.72.60.67.30.92.80.58.60.3
21-30 years ago11.01.18.41.87.01.64.71.15.41.02.71.16.61.16.21.24.41.15.31.74.31.45.10.96.50.84.40.76.10.3
31-40 years ago4.00.72.21.02.71.11.10.61.60.53.71.23.60.82.10.74.41.12.21.13.11.33.20.74.70.73.10.63.20.2
41-50 years ago1.00.42.81.12.51.00.0.0.70.41.60.81.10.51.10.62.90.94.01.52.51.15.10.93.20.63.10.62.30.2
over 50 years ago3.10.61.40.84.31.31.40.60.40.37.31.78.51.26.71.316.02.019.13.015.12.512.51.317.01.312.91.19.30.4
total78.81.488.52.189.71.986.41.894.51.042.53.451.92.249.42.545.82.752.53.739.13.435.21.849.71.729.11.456.90.5
inside perimeterless than 10 years ago0.80.30.60.60.0.0.0.0.0.0.40.40.0.0.0.1.50.74.71.62.91.20.80.30.50.20.50.20.60.1
11-20 years ago0.40.20.0.0.0.0.30.30.0.0.0.0.40.20.20.21.20.61.71.01.70.90.70.30.60.30.20.20.40.1
21-30 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.30.30.90.50.0.2.21.10.60.30.20.20.50.20.30.1
31-40 years ago0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.2.81.20.0.0.50.30.50.20.30.20.30.1
41-50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.50.50.70.71.30.40.10.10.40.20.30.1
over 50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.40.30.0.1.20.62.91.33.71.42.00.60.80.34.30.71.20.1
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.01.212.62.611.12.36.00.92.70.66.30.83.20.2
outside perimeterless than 10 years ago9.31.07.01.77.51.76.81.33.60.825.32.928.52.023.22.213.71.912.02.517.92.811.71.313.41.26.10.812.40.4
11-20 years ago3.10.60.90.61.60.83.00.91.10.57.31.78.01.210.51.610.91.77.42.09.12.07.51.010.31.05.00.76.20.3
21-30 years ago3.20.61.30.70.0.1.90.70.20.28.71.93.60.86.21.25.61.31.60.95.51.65.60.96.80.96.60.84.50.3
31-40 years ago0.90.30.90.60.40.40.30.30.20.25.41.42.50.73.20.96.01.33.41.43.91.45.20.93.30.65.10.73.00.2
41-50 years ago0.60.30.80.60.40.40.30.30.20.22.91.01.40.52.10.75.41.23.31.32.91.26.61.02.50.55.50.72.70.2
over 50 years ago1.90.50.0.0.40.41.10.50.30.27.51.83.30.84.61.17.61.47.12.010.52.222.21.611.31.136.21.511.10.4
total18.91.410.92.110.31.913.31.85.51.057.23.447.32.249.82.649.22.734.93.649.83.658.81.947.61.764.61.539.80.5
totalless than 10 years ago54.51.864.53.168.53.072.92.377.51.843.13.353.52.247.72.625.62.330.93.528.63.319.21.624.81.59.51.040.50.6
11-20 years ago18.81.417.72.613.92.216.41.913.51.417.12.515.41.619.52.019.82.216.72.917.02.710.91.218.21.38.00.915.20.4
21-30 years ago14.41.39.72.07.01.66.61.35.61.011.42.210.21.312.71.710.81.76.91.912.02.311.41.313.51.211.51.010.90.4
31-40 years ago5.30.83.11.23.11.11.40.61.80.69.11.86.11.15.61.210.41.68.42.17.01.88.81.18.50.98.50.96.50.3
41-50 years ago1.90.53.61.32.91.10.30.30.90.44.51.32.60.73.20.98.61.57.82.06.11.713.01.35.90.89.00.95.40.3
over 50 years ago5.20.81.40.84.71.42.40.80.70.414.82.412.31.411.31.624.82.329.13.529.43.336.71.929.21.553.41.621.60.5
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 #861046/327377
NFI3
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
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/aless than 10 years ago43.71.756.53.160.82.965.12.373.41.717.72.424.11.823.32.09.41.514.02.58.71.96.60.910.41.02.70.527.00.4
11-20 years ago15.01.216.22.412.22.013.31.712.61.39.01.86.91.18.21.36.91.36.71.85.81.63.00.67.50.92.70.58.40.3
21-30 years ago12.11.18.51.87.21.55.41.15.50.92.30.97.31.16.71.24.91.15.71.75.21.55.30.86.70.84.40.66.50.3
31-40 years ago3.90.72.10.92.91.11.00.51.80.53.71.23.40.72.80.84.51.13.61.32.81.13.80.74.90.73.00.53.30.2
41-50 years ago1.20.43.81.32.71.00.0.0.70.31.40.71.00.41.20.53.10.94.01.42.81.14.60.83.40.62.90.52.30.2
over 50 years ago3.50.61.30.74.31.31.20.50.30.27.21.68.11.16.31.215.81.818.92.816.02.413.11.316.91.213.11.09.30.3
total79.31.388.32.090.01.886.01.794.30.941.33.150.92.148.52.444.52.553.03.541.23.236.41.749.81.628.61.356.90.5
inside perimeterless than 10 years ago0.80.30.50.50.0.0.0.0.0.0.70.50.20.20.0.1.30.65.31.62.61.00.70.30.40.20.70.30.70.1
11-20 years ago0.30.20.0.0.0.0.30.30.0.0.0.0.50.30.20.21.00.51.60.91.60.80.70.30.60.30.20.10.40.1
21-30 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.20.20.30.31.00.50.0.1.91.00.60.30.20.10.50.20.30.1
31-40 years ago0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.2.61.10.0.0.40.20.40.20.40.20.30.1
41-50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.50.50.60.61.20.40.10.10.40.20.30.1
over 50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.60.30.0.1.10.52.71.23.81.32.10.50.90.34.30.61.30.1
total2.10.50.50.50.0.0.30.30.0.0.70.51.50.50.70.44.71.112.62.410.42.15.60.92.70.56.30.73.20.2
outside perimeterless than 10 years ago9.21.06.81.67.21.67.11.23.70.823.72.728.71.923.42.014.31.811.82.317.42.611.71.213.51.16.90.812.50.4
11-20 years ago3.00.61.60.81.40.72.60.81.00.49.61.88.01.110.61.511.11.67.51.98.61.97.31.09.81.04.60.66.10.3
21-30 years ago2.90.61.20.70.30.32.40.70.30.28.31.83.40.86.31.26.31.21.50.95.71.65.50.86.90.86.60.84.50.2
31-40 years ago0.80.30.80.60.30.30.50.30.20.25.21.32.40.73.00.86.01.23.61.43.41.25.60.93.30.65.10.73.00.2
41-50 years ago0.60.20.80.50.30.30.30.30.10.13.81.11.60.52.10.75.11.13.01.22.51.06.30.92.40.55.60.72.70.2
over 50 years ago2.00.50.0.0.30.31.00.50.30.27.31.73.50.85.31.18.01.47.01.910.72.121.61.511.71.036.41.511.10.3
total18.51.311.22.010.01.813.71.75.70.958.03.147.62.150.82.450.82.534.43.448.43.358.01.847.51.665.01.439.90.5
totalless than 10 years ago53.71.763.83.068.02.872.12.277.21.742.23.053.02.146.72.425.02.231.13.328.63.118.91.524.41.410.20.940.10.5
11-20 years ago18.31.317.82.413.62.116.21.813.61.418.62.415.41.519.01.919.02.015.72.715.92.411.01.217.91.27.40.814.90.4
21-30 years ago15.21.29.71.97.61.57.81.35.80.910.61.910.91.313.31.612.21.77.21.912.92.311.31.213.71.111.51.011.30.4
31-40 years ago5.00.72.91.13.21.11.50.62.00.68.91.75.71.05.91.110.51.69.82.26.21.69.81.18.60.98.40.96.60.3
41-50 years ago1.90.54.61.43.01.10.30.30.80.45.21.32.60.73.30.98.41.47.61.95.91.612.11.25.90.88.80.95.30.3
over 50 years ago5.80.81.30.74.61.32.20.70.70.314.52.212.21.311.61.524.92.228.53.330.53.136.81.829.51.553.71.521.70.4
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 #861047/327378
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/a0.0.0.40.40.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago45.71.851.13.356.43.268.92.471.21.916.62.624.41.922.52.211.71.910.12.67.82.06.91.010.81.12.90.628.10.5
11-20 years ago15.41.323.52.815.02.313.41.814.41.59.22.012.11.412.01.76.91.47.72.35.31.83.40.78.01.02.00.510.00.4
21-30 years ago7.10.96.11.68.31.81.90.75.20.96.41.73.30.84.61.16.31.49.22.56.52.02.60.77.10.91.80.55.00.3
31-40 years ago4.80.82.61.14.01.20.80.51.90.62.21.04.00.93.10.93.01.04.41.83.21.33.80.84.70.83.40.63.50.2
41-50 years ago3.00.61.30.72.21.00.0.0.90.43.21.22.60.73.00.93.31.02.11.22.01.23.30.72.80.62.00.52.40.2
over 50 years ago3.10.63.71.33.51.21.10.50.90.44.01.46.21.06.01.210.81.813.72.910.22.313.11.412.51.211.51.17.40.3
total79.01.488.62.189.92.086.21.894.51.041.63.452.62.251.32.642.02.847.24.235.03.733.21.845.81.823.71.556.40.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.70.30.60.60.0.0.30.30.0.0.40.40.20.20.60.41.40.76.72.24.01.61.70.50.60.30.80.30.90.1
11-20 years ago0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.20.21.00.61.41.02.01.00.50.30.30.20.40.20.30.1
21-30 years ago0.30.20.0.0.0.0.0.0.0.0.0.0.20.20.0.1.30.61.51.01.00.70.20.20.40.20.20.20.30.1
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.41.41.01.00.70.80.40.30.20.50.20.30.1
41-50 years ago0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.41.00.0.0.50.30.40.20.60.30.20.1
over 50 years ago0.60.30.0.0.0.0.0.0.0.0.0.0.40.30.0.1.60.71.41.02.51.32.30.61.00.44.50.71.20.1
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.61.313.83.010.72.46.01.02.90.67.00.93.20.2
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 ago9.01.04.81.47.41.77.41.43.20.723.12.923.51.921.22.118.52.210.82.717.33.013.31.411.31.27.81.012.00.4
11-20 years ago3.40.63.41.21.20.73.00.90.90.412.12.311.71.411.11.67.51.511.62.711.72.58.31.110.91.14.20.76.70.3
21-30 years ago1.70.50.40.40.50.51.10.50.90.45.91.54.20.94.51.18.61.65.11.96.92.06.21.08.41.05.70.84.40.3
31-40 years ago1.60.50.90.60.40.41.10.60.0.5.71.61.70.64.11.04.01.12.11.23.01.34.20.85.80.85.20.83.10.2
41-50 years ago0.60.30.40.40.80.50.0.0.0.3.71.21.40.52.80.84.71.22.31.33.31.55.70.93.30.66.30.92.80.2
over 50 years ago2.50.60.90.60.0.0.90.50.50.37.51.94.10.94.21.09.01.77.32.212.22.523.21.711.51.140.21.711.40.4
total18.81.410.82.010.12.013.51.85.51.058.03.446.62.247.92.652.42.939.04.154.33.960.91.951.31.869.31.640.40.6
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 #861048/327379
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