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NFI3
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago57.41.675.51.248.62.122.01.311.12.049.20.8
11-20 years ago18.91.314.01.016.81.514.11.110.72.015.40.6
21-30 years ago14.11.26.50.712.81.413.51.117.32.411.70.5
31-40 years ago4.20.71.90.47.01.010.00.911.62.05.90.4
41-50 years ago2.00.50.90.32.50.68.10.99.21.83.80.3
over 50 years ago3.40.61.20.312.41.332.31.540.13.114.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago62.34.843.68.851.25.732.62.618.03.136.41.8
11-20 years ago11.03.118.86.920.24.616.92.18.62.314.61.4
21-30 years ago10.03.018.66.912.13.810.71.713.22.811.71.2
31-40 years ago3.91.93.13.04.12.310.11.78.12.27.71.0
41-50 years ago5.82.33.23.25.52.78.21.56.72.06.91.0
over 50 years ago6.92.512.75.96.82.921.62.345.54.122.61.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago39.14.766.15.051.22.125.31.49.01.229.90.9
11-20 years ago20.43.918.24.118.01.618.91.26.61.115.70.8
21-30 years ago18.53.77.92.910.51.312.31.09.51.211.30.7
31-40 years ago7.42.53.42.06.71.08.90.97.61.17.80.6
41-50 years ago2.71.52.21.54.00.88.00.99.31.26.90.5
over 50 years ago11.93.12.21.59.61.226.61.458.02.128.40.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago56.01.574.01.250.01.424.80.910.91.041.50.5
11-20 years ago18.41.214.41.017.51.116.50.88.00.915.40.4
21-30 years ago14.11.06.90.711.70.912.60.712.21.111.60.4
31-40 years ago4.50.62.00.46.70.79.50.68.70.96.70.3
41-50 years ago2.40.51.10.33.40.58.10.68.80.95.10.3
over 50 years ago4.50.61.60.310.80.928.50.951.31.619.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865298/331629
NFI3
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago58.41.776.11.347.52.121.81.39.71.848.60.8
11-20 years ago19.41.413.51.116.81.613.21.19.61.815.00.6
21-30 years ago12.71.26.20.711.61.412.71.115.12.210.80.5
31-40 years ago4.60.71.70.46.41.08.70.910.81.95.60.4
41-50 years ago1.70.50.90.32.50.78.60.910.41.94.10.3
over 50 years ago3.30.61.50.415.21.535.11.644.43.016.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago59.25.143.09.052.26.132.12.716.83.135.31.9
11-20 years ago11.93.420.27.420.24.917.42.29.02.415.11.4
21-30 years ago10.93.313.56.310.63.810.11.812.52.811.01.3
31-40 years ago4.32.13.43.34.72.710.51.87.82.38.01.1
41-50 years ago6.32.53.33.34.52.68.11.65.72.06.71.0
over 50 years ago7.42.716.66.87.83.321.92.448.24.224.01.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago41.54.965.15.551.02.223.91.47.51.228.51.0
11-20 years ago17.33.821.64.817.51.718.71.36.91.115.60.8
21-30 years ago20.24.05.42.611.01.411.71.19.21.311.10.7
31-40 years ago8.02.72.82.07.11.18.20.97.71.27.60.6
41-50 years ago2.91.62.61.83.80.88.50.99.11.37.10.6
over 50 years ago10.13.02.61.89.51.328.91.559.62.130.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago56.81.674.51.349.31.524.10.99.51.040.60.6
11-20 years ago18.51.214.21.017.31.116.20.88.00.915.20.4
21-30 years ago13.21.16.30.711.31.011.90.711.41.010.90.4
31-40 years ago4.90.71.80.46.60.78.70.68.60.96.50.3
41-50 years ago2.30.51.10.33.20.58.50.69.00.95.30.3
over 50 years ago4.30.62.00.412.21.030.61.053.51.621.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865299/331630
NFI3
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago58.11.775.81.347.52.121.81.39.81.848.20.8
11-20 years ago19.41.413.81.116.61.613.31.19.81.815.00.6
21-30 years ago12.91.26.10.711.51.412.41.115.12.110.80.5
31-40 years ago4.50.71.80.46.31.08.80.910.51.85.60.4
41-50 years ago1.70.50.90.32.50.78.40.910.51.94.10.3
over 50 years ago3.40.61.60.415.61.535.31.544.43.016.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago59.75.143.09.052.26.131.92.716.73.135.21.9
11-20 years ago11.83.320.27.420.24.917.32.29.02.415.01.4
21-30 years ago10.83.213.56.310.63.810.41.813.12.811.21.3
31-40 years ago4.22.13.43.34.72.710.41.87.72.27.91.1
41-50 years ago6.22.43.33.34.52.68.31.65.72.06.81.0
over 50 years ago7.32.716.66.87.83.321.72.447.84.223.81.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago41.14.965.65.551.22.223.91.47.41.128.60.9
11-20 years ago18.13.921.34.717.41.718.61.36.91.115.50.8
21-30 years ago20.04.05.32.611.01.411.61.09.31.311.10.7
31-40 years ago8.02.72.81.97.21.18.20.97.71.27.60.6
41-50 years ago2.91.62.51.83.70.88.80.99.11.27.10.6
over 50 years ago10.03.02.51.89.51.328.91.559.72.130.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago56.51.674.31.349.41.524.00.99.51.040.40.6
11-20 years ago18.61.214.41.017.21.116.10.88.00.915.20.4
21-30 years ago13.41.16.20.711.20.911.80.711.51.010.90.4
31-40 years ago4.80.71.90.46.60.78.80.68.50.96.50.3
41-50 years ago2.20.51.10.33.20.58.60.69.00.95.30.3
over 50 years ago4.40.62.00.412.41.030.81.053.41.621.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865300/331631
NFI4
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.10.0
less than 10 years ago58.01.774.61.345.12.223.81.613.82.751.40.8
11-20 years ago20.81.415.51.123.31.916.71.48.82.218.00.7
21-30 years ago8.51.05.10.78.61.212.41.28.52.28.30.5
31-40 years ago5.30.82.20.56.81.110.01.113.02.66.00.4
41-50 years ago3.30.61.00.35.61.07.01.08.22.24.00.3
over 50 years ago3.90.71.50.410.61.430.01.747.83.912.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago55.25.256.09.245.66.132.72.821.13.636.12.0
11-20 years ago17.74.013.06.124.75.318.32.39.72.616.81.5
21-30 years ago8.93.06.94.79.83.611.71.98.32.410.11.2
31-40 years ago2.21.56.94.76.02.99.81.87.22.27.51.1
41-50 years ago1.11.13.53.54.52.66.71.59.12.56.01.0
over 50 years ago14.93.713.66.39.33.620.72.444.54.323.51.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago38.84.962.45.646.42.323.41.48.41.327.81.0
11-20 years ago20.74.020.24.723.01.917.61.34.91.016.20.8
21-30 years ago8.02.710.83.69.21.314.11.27.61.211.00.7
31-40 years ago12.43.34.02.36.81.18.40.97.61.27.90.6
41-50 years ago7.02.51.41.34.81.07.90.99.11.37.10.6
over 50 years ago13.13.41.21.29.81.428.71.562.32.330.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.81.673.31.345.71.525.01.011.81.241.80.6
11-20 years ago20.51.315.71.123.31.317.30.96.60.917.30.5
21-30 years ago8.50.95.50.78.90.913.10.87.91.09.40.4
31-40 years ago5.70.72.50.56.80.89.20.78.71.06.80.3
41-50 years ago3.50.61.10.35.20.77.40.68.91.05.30.3
over 50 years ago5.80.71.80.410.20.928.01.056.01.819.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865301/331632
NFI4
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
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
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.10.0
less than 10 years ago58.71.874.81.346.72.325.91.919.03.954.70.9
11-20 years ago20.71.515.51.123.92.018.31.613.03.418.70.7
21-30 years ago8.31.05.10.77.81.211.81.44.82.17.60.5
31-40 years ago5.10.82.20.57.01.28.51.28.92.85.20.4
41-50 years ago3.30.60.90.35.31.06.51.18.22.83.60.3
over 50 years ago3.70.71.50.49.31.329.01.946.15.010.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago55.85.256.09.246.26.232.12.922.53.836.62.0
11-20 years ago16.73.913.06.125.15.318.52.48.32.516.51.6
21-30 years ago9.03.06.94.78.53.311.82.08.42.610.01.3
31-40 years ago2.21.66.94.76.13.09.41.88.02.47.51.1
41-50 years ago1.11.13.53.54.62.66.81.68.52.65.81.0
over 50 years ago15.13.713.66.39.43.721.52.544.44.623.51.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago39.24.962.45.646.92.323.91.58.31.428.81.0
11-20 years ago19.94.020.24.723.12.018.31.45.41.216.90.9
21-30 years ago8.12.710.83.69.51.414.01.26.41.210.70.7
31-40 years ago12.63.44.02.36.61.27.50.95.41.17.00.6
41-50 years ago7.02.61.41.34.81.08.11.09.31.57.20.6
over 50 years ago13.33.41.21.29.11.328.11.665.22.429.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago56.51.673.51.346.81.625.91.112.81.343.90.6
11-20 years ago20.31.315.81.123.61.318.31.07.21.117.90.5
21-30 years ago8.30.95.50.78.60.912.90.86.51.09.00.4
31-40 years ago5.60.72.40.56.80.88.10.76.51.06.00.3
41-50 years ago3.50.61.00.35.00.77.40.79.01.25.10.3
over 50 years ago5.70.71.80.49.20.927.41.158.02.018.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865302/331633
NFI3
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago57.11.675.21.246.92.020.81.29.31.747.40.7
11-20 years ago18.81.314.01.016.21.513.21.09.31.714.80.6
21-30 years ago14.01.26.40.712.61.313.01.015.52.111.50.5
31-40 years ago4.30.71.90.46.71.09.40.910.31.85.80.4
41-50 years ago2.10.50.90.32.40.68.30.810.01.74.10.3
over 50 years ago3.70.61.50.415.31.435.31.445.72.916.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago62.74.842.38.651.25.732.62.617.93.136.31.8
11-20 years ago10.93.118.26.720.24.616.72.18.32.214.41.3
21-30 years ago9.93.018.16.712.13.810.41.712.72.711.41.2
31-40 years ago3.91.93.02.94.12.39.81.67.82.27.51.0
41-50 years ago5.72.33.13.15.52.77.91.56.42.06.81.0
over 50 years ago6.82.515.46.36.82.922.52.347.04.023.61.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago39.14.766.15.050.22.124.11.38.61.228.80.9
11-20 years ago20.43.918.24.118.21.618.11.26.21.015.30.7
21-30 years ago18.53.77.92.910.51.311.91.09.11.211.00.6
31-40 years ago7.42.53.42.06.71.08.60.97.61.17.70.5
41-50 years ago2.71.52.21.54.10.88.30.98.91.27.00.5
over 50 years ago11.93.12.21.510.31.328.91.459.52.030.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago55.81.573.71.248.71.423.70.910.20.940.10.5
11-20 years ago18.31.214.41.017.31.115.70.77.40.815.00.4
21-30 years ago14.01.06.80.711.60.912.20.711.51.011.30.4
31-40 years ago4.60.62.00.46.50.79.10.68.40.96.60.3
41-50 years ago2.50.51.10.33.40.58.30.68.80.95.30.3
over 50 years ago4.80.61.90.412.50.930.90.953.71.521.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865303/331634
NFI1
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.0.0.
less than 10 years ago35.641.0440.0.36.64
11-20 years ago6.6160.21000.0.6.816
21-30 years ago1.6350.0.0.0.1.635
31-40 years ago0.21000.4710.0.0.658
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8500.21000.0.1.044
total44.921.8330.0.46.72
AIn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.4340.21001.7303.316
11-20 years ago0.6580.21000.5571.235
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.21000.0.0.21000.471
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.3250.4722.4225.19
ARn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.5211.1400.5555.115
11-20 years ago1.3360.3710.8432.525
21-30 years ago0.0.0.21000.0.0.2100
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.31000.0.0.0.0.3100
over 50 years ago0.21000.0.0.0.0.2100
total5.3131.6321.3318.16
BEn/a0.0.0.0.0.4710.471
less than 10 years ago62.358.71536.87107.93
11-20 years ago10.4143.02612.61226.08
21-30 years ago3.8231.8334.3229.914
31-40 years ago1.6351.0451.6354.222
41-50 years ago0.6580.4711.5382.529
over 50 years ago4.8200.6585.02010.313
total83.5415.51162.15161.11
BL/BSn/a0.0.0.0.0.0.0.0.
less than 10 years ago12.290.9501.53714.67
11-20 years ago1.7340.7570.4712.827
21-30 years ago0.9500.21000.21001.341
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.5670.0.0.0.0.567
total15.761.8352.13019.64
FRn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.3100.6585.71720.67
11-20 years ago5.7180.0.4.91810.612
21-30 years ago2.5290.0.0.4722.926
31-40 years ago1.2410.4730.4712.132
41-50 years ago0.0.0.0.0.21000.2100
over 50 years ago2.1320.21001.0453.325
total25.951.24112.61039.73
GEn/a0.0.0.0.0.0.0.0.
less than 10 years ago0.8660.0.0.0.0.866
11-20 years ago0.41000.0.0.0.0.4100
21-30 years ago0.8660.0.0.0.0.866
31-40 years ago1.2500.0.0.0.1.250
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.1230.9442.9247.014
11-20 years ago0.6580.5551.2402.328
21-30 years ago0.4710.4710.9441.832
31-40 years ago0.0.0.0.0.6570.657
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.6580.4710.9441.930
total4.9182.3276.61413.87
GRn/a0.4710.0.0.0.0.471
less than 10 years ago22.499.51425.0856.95
11-20 years ago6.5173.52312.11222.29
21-30 years ago5.3193.1259.11417.610
31-40 years ago4.8200.6587.91513.312
41-50 years ago2.0320.6584.2216.817
over 50 years ago12.7122.42912.31227.48
total54.2519.7970.64144.52
JUn/a0.0.0.0.0.0.0.0.
less than 10 years ago13.5101.2403.82118.57
11-20 years ago4.5200.8492.2297.415
21-30 years ago1.9310.21000.8502.925
31-40 years ago0.21000.0.0.6580.850
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.2410.8501.2403.124
total21.362.9258.51332.83
LUn/a0.0.0.0.0.0.0.0.
less than 10 years ago24.860.6583.82229.25
11-20 years ago4.6200.0.2.2306.816
21-30 years ago1.0440.21000.0.1.241
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.9490.0.0.0.0.949
over 50 years ago0.6580.21000.4711.241
total31.941.0456.41639.43
NEn/a0.21000.0.0.0.0.2100
less than 10 years ago17.372.2281.04420.46
11-20 years ago3.9210.21000.0.4.120
21-30 years ago0.8510.0.0.0.0.851
31-40 years ago0.9510.0.0.21001.145
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.4720.0.0.851
total23.452.7251.24127.33
NWn/a0.31000.0.0.0.0.3100
less than 10 years ago1.8330.4671.6363.820
11-20 years ago0.0.0.0.1.1441.144
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.4720.21000.21000.848
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.0490.0.0.31001.243
total3.5210.5523.2237.29
OWn/a0.0.0.0.0.0.0.0.
less than 10 years ago4.1200.7502.7267.513
11-20 years ago1.4370.0.1.2412.626
21-30 years ago0.6580.0.1.1441.734
31-40 years ago1.0440.0.0.7571.734
41-50 years ago0.7580.0.0.9481.536
over 50 years ago1.3370.5581.3363.122
total9.1121.2377.81218.14
SGn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.2113.22511.81129.26
11-20 years ago2.4290.6584.9207.915
21-30 years ago0.8500.21002.9263.923
31-40 years ago1.4380.21001.6353.225
41-50 years ago0.0.0.21001.2441.340
over 50 years ago1.3410.0.1.9333.225
total20.194.52124.2748.84
SHn/a0.21000.0.0.0.0.2100
less than 10 years ago10.160.21000.0.10.36
11-20 years ago0.9410.21000.0.1.137
21-30 years ago0.4710.0.0.0.0.471
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total11.940.4690.0.12.33
SOn/a0.0.0.0.0.0.0.0.
less than 10 years ago23.951.2410.55725.64
11-20 years ago2.7250.0.0.21002.924
21-30 years ago1.1410.5700.0.1.636
31-40 years ago0.21000.21000.21000.758
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.3710.21000.0.0.557
total28.532.1310.94531.62
SZn/a0.0.0.0.0.0.0.0.
less than 10 years ago6.7160.8505.61713.29
11-20 years ago2.0310.4711.5353.921
21-30 years ago1.6350.4711.1403.124
31-40 years ago0.8500.21001.0441.930
41-50 years ago0.6580.0.0.0.0.658
over 50 years ago1.8330.0.1.0452.826
total13.5101.83210.21225.54
TGn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.170.4571.53316.05
11-20 years ago2.6250.0.0.21002.824
21-30 years ago0.0.0.0.0.21000.2100
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.6590.0.0.0.0.659
total17.250.4572.02919.63
TIn/a0.0.0.0.0.21000.2100
less than 10 years ago2.5294.4216.51713.312
11-20 years ago2.8262.4297.41612.712
21-30 years ago2.0312.9276.31711.213
31-40 years ago1.9335.0209.61416.410
41-50 years ago0.6572.1308.11510.813
over 50 years ago6.6172.72826.0835.27
total16.31019.5964.1499.92
URn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.1401.2392.1294.418
11-20 years ago1.2400.6570.6562.426
21-30 years ago0.4710.21000.4691.043
31-40 years ago0.4720.0.0.4690.850
41-50 years ago0.4670.0.0.21000.652
over 50 years ago1.4360.6571.8323.820
total4.8182.6265.51612.96
VDn/a1.8330.0.0.0.1.833
less than 10 years ago38.061.8335.11944.95
11-20 years ago17.1100.9443.62321.69
21-30 years ago4.1211.2412.2307.516
31-40 years ago1.6350.6581.7333.922
41-50 years ago1.2410.0.0.6581.833
over 50 years ago3.7230.8501.7336.217
total67.535.31914.91187.72
VSn/a0.21000.21000.4710.750
less than 10 years ago6.0185.6188.81420.59
11-20 years ago4.0223.52310.01417.410
21-30 years ago3.3254.12110.31317.710
31-40 years ago2.2303.7236.11811.912
41-50 years ago1.3380.8502.9265.019
over 50 years ago7.5164.72013.51225.78
total24.5822.5852.0599.02
ZGn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.4230.21001.6294.213
11-20 years ago0.21000.0.0.7460.943
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.9190.21002.2205.48
ZHn/a0.0.0.0.0.0.0.0.
less than 10 years ago38.240.4711.14439.64
11-20 years ago6.3170.0.0.0.6.317
21-30 years ago1.5380.0.0.21001.735
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.2400.0.0.0.1.240
total47.120.4711.24148.82
Switzerlandn/a3.1260.21000.9454.222
less than 10 years ago374.5247.46131.64553.51
11-20 years ago90.6417.91068.35176.93
21-30 years ago34.8815.61140.4790.95
31-40 years ago20.61012.51332.9866.05
41-50 years ago8.8154.12219.71032.68
over 50 years ago51.0614.51268.25133.74
total583.41112.24362.221057.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #865304/331635
NFI4
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.10.0
less than 10 years ago57.91.774.51.344.42.123.21.512.22.450.10.8
11-20 years ago21.01.415.51.123.11.815.41.38.52.017.70.7
21-30 years ago8.51.05.10.78.81.213.91.27.81.98.80.5
31-40 years ago5.30.82.20.56.61.110.01.114.22.56.20.4
41-50 years ago3.30.61.00.35.61.07.20.98.62.14.20.3
over 50 years ago4.00.71.60.411.41.430.31.648.63.613.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago55.25.254.19.145.66.132.82.821.23.535.91.9
11-20 years ago17.74.012.65.924.75.318.22.310.12.616.81.5
21-30 years ago8.93.06.74.69.83.611.51.98.12.39.91.2
31-40 years ago2.21.56.74.66.02.910.01.87.02.17.61.1
41-50 years ago1.11.13.43.34.52.66.61.58.92.55.91.0
over 50 years ago14.93.716.56.79.33.621.02.444.74.323.91.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago38.44.862.45.646.12.323.21.48.31.327.51.0
11-20 years ago21.54.120.24.722.91.917.31.34.81.016.10.8
21-30 years ago7.92.710.83.69.51.314.11.27.71.211.10.7
31-40 years ago12.33.34.02.36.71.18.10.97.51.27.70.6
41-50 years ago6.92.51.41.34.81.08.00.99.11.37.20.6
over 50 years ago13.03.41.21.29.91.429.31.562.62.230.51.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.71.673.11.345.21.524.61.011.41.141.00.6
11-20 years ago20.71.315.81.123.11.316.60.86.60.917.00.5
21-30 years ago8.50.95.50.79.20.913.70.87.80.99.70.4
31-40 years ago5.70.72.40.56.60.79.20.69.01.06.80.3
41-50 years ago3.40.61.00.35.20.77.50.69.01.05.40.3
over 50 years ago5.80.72.00.410.60.928.51.056.21.820.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865305/331636
NFI4
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.10.0
less than 10 years ago58.01.774.61.344.12.219.41.310.72.147.90.8
11-20 years ago20.81.415.51.122.81.814.11.27.61.817.00.6
21-30 years ago8.51.05.10.78.71.210.81.09.11.98.20.5
31-40 years ago5.30.82.20.56.71.110.81.017.22.56.80.4
41-50 years ago3.30.61.00.35.71.08.50.911.62.14.80.4
over 50 years ago3.90.71.50.412.01.436.41.643.83.315.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago55.25.256.09.245.66.132.52.820.93.535.91.9
11-20 years ago17.74.013.06.124.75.317.92.39.72.616.61.5
21-30 years ago8.93.06.94.79.83.611.91.98.32.410.21.2
31-40 years ago2.21.56.94.76.02.910.41.87.22.27.81.1
41-50 years ago1.11.13.53.54.52.66.61.59.82.66.11.0
over 50 years ago14.93.713.66.39.33.620.72.444.24.323.41.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago38.84.962.45.646.22.323.11.48.11.227.21.0
11-20 years ago20.74.020.24.722.91.917.41.34.81.015.90.8
21-30 years ago8.02.710.83.69.31.313.91.27.31.210.80.7
31-40 years ago12.43.34.02.36.81.18.60.98.71.38.20.6
41-50 years ago7.02.51.41.34.81.08.00.99.11.37.20.6
over 50 years ago13.13.41.21.210.01.429.01.562.02.230.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.81.673.41.345.11.522.80.910.81.139.80.6
11-20 years ago20.51.315.71.123.01.316.00.86.30.816.60.5
21-30 years ago8.50.95.50.79.10.912.30.77.90.99.20.4
31-40 years ago5.70.72.50.56.70.89.80.710.71.17.40.3
41-50 years ago3.50.61.00.35.20.78.00.69.91.05.80.3
over 50 years ago5.80.71.80.410.90.931.01.054.41.721.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865306/331637
NFI1
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.0.0.
less than 10 years ago36.041.0440.0.37.04
11-20 years ago6.8160.21000.0.7.016
21-30 years ago1.6350.0.0.0.1.635
31-40 years ago0.21000.4710.0.0.658
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.0440.21000.0.1.240
total45.721.8330.0.47.52
AIn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.4340.21001.7303.316
11-20 years ago0.6580.21000.5571.235
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.21000.0.0.21000.471
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.3250.4722.4225.19
ARn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.5211.1400.5555.115
11-20 years ago1.3360.3710.8432.525
21-30 years ago0.0.0.21000.0.0.2100
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.31000.0.0.0.0.3100
over 50 years ago0.21000.0.0.0.0.2100
total5.3131.6321.3318.16
BEn/a0.0.0.0.0.4710.471
less than 10 years ago63.558.71538.36110.53
11-20 years ago10.8133.02613.21227.08
21-30 years ago4.4211.8334.72110.813
31-40 years ago1.6351.0451.8334.421
41-50 years ago0.6580.4711.5382.529
over 50 years ago5.4190.8505.02011.113
total86.3415.71164.75166.71
BL/BSn/a0.0.0.0.0.0.0.0.
less than 10 years ago12.490.9501.53714.87
11-20 years ago1.7340.7570.4712.827
21-30 years ago0.9500.21000.21001.341
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.5670.0.0.0.0.567
total15.961.8352.13019.73
FRn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.5100.6585.71720.87
11-20 years ago5.7180.0.5.11810.812
21-30 years ago2.5290.0.0.4722.926
31-40 years ago1.2410.4730.6582.330
41-50 years ago0.0.0.0.0.21000.2100
over 50 years ago2.3300.21001.0453.524
total26.361.24113.01040.53
GEn/a0.0.0.0.0.0.0.0.
less than 10 years ago0.8660.0.0.0.0.866
11-20 years ago0.41000.0.0.0.0.4100
21-30 years ago0.8660.0.0.0.0.866
31-40 years ago1.2500.0.0.0.1.250
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.4220.9443.1247.513
11-20 years ago0.6580.5551.2402.328
21-30 years ago0.4710.4710.9441.832
31-40 years ago0.0.0.0.0.6570.657
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.6580.4710.9441.930
total5.1172.3276.81414.27
GRn/a0.4710.0.0.0.0.471
less than 10 years ago23.699.71425.2858.55
11-20 years ago6.9173.52312.31222.89
21-30 years ago5.5193.1259.31418.010
31-40 years ago4.8200.6587.91513.312
41-50 years ago2.0320.6584.2216.817
over 50 years ago15.0112.72713.51231.27
total58.2520.3972.44150.92
JUn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.391.2403.82119.37
11-20 years ago4.7190.8492.2297.615
21-30 years ago1.9310.21000.8502.925
31-40 years ago0.21000.0.0.6580.850
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.2410.8501.4373.323
total22.462.9258.71334.03
LUn/a0.0.0.0.0.0.0.0.
less than 10 years ago25.660.6583.82230.05
11-20 years ago4.8200.0.2.2307.016
21-30 years ago1.0440.21000.0.1.241
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.9490.0.0.0.0.949
over 50 years ago1.0450.21000.6571.833
total33.341.0456.61641.03
NEn/a0.21000.0.0.0.0.2100
less than 10 years ago17.772.4271.04421.06
11-20 years ago4.2200.21000.0.4.420
21-30 years ago0.8510.0.0.0.0.851
31-40 years ago0.9510.0.0.21001.145
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.4720.0.0.851
total24.152.9241.24128.23
NWn/a0.31000.0.0.0.0.3100
less than 10 years ago1.8330.4671.9334.119
11-20 years ago0.0.0.0.1.1441.144
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.4720.21000.21000.848
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.0490.0.0.31001.243
total3.5210.5523.5227.58
OWn/a0.0.0.0.0.0.0.0.
less than 10 years ago4.3190.7502.7267.713
11-20 years ago1.4370.0.1.2412.626
21-30 years ago0.6580.0.1.4391.932
31-40 years ago1.0440.0.0.8511.833
41-50 years ago0.7580.0.0.9481.536
over 50 years ago1.3370.5581.3363.122
total9.3121.2378.21218.74
SGn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.8113.22512.01130.16
11-20 years ago2.9270.6585.7189.114
21-30 years ago1.0450.21002.9264.122
31-40 years ago1.4380.21001.6353.225
41-50 years ago0.0.0.21001.2441.340
over 50 years ago1.8350.0.2.3304.122
total21.884.52125.7752.03
SHn/a0.21000.0.0.0.0.2100
less than 10 years ago10.160.21000.0.10.36
11-20 years ago0.9410.21000.0.1.137
21-30 years ago0.4710.0.0.0.0.471
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total11.940.4690.0.12.33
SOn/a0.0.0.0.0.0.0.0.
less than 10 years ago24.351.2410.55726.04
11-20 years ago2.7250.0.0.21002.924
21-30 years ago1.1410.5700.0.1.636
31-40 years ago0.21000.21000.21000.758
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.3710.21000.0.0.557
total28.932.1310.94531.92
SZn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.3150.8505.61713.89
11-20 years ago2.4280.4711.5354.320
21-30 years ago1.6350.6581.3373.523
31-40 years ago0.8500.21001.0441.930
41-50 years ago0.6580.0.0.0.0.658
over 50 years ago1.8330.21001.0452.925
total14.592.22910.41127.14
TGn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.270.4571.53316.15
11-20 years ago2.6250.0.0.21002.824
21-30 years ago0.0.0.0.0.21000.2100
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.6590.0.0.0.0.659
total17.350.4572.02919.73
TIn/a0.0.0.0.0.21000.2100
less than 10 years ago3.6234.8206.71715.111
11-20 years ago3.0262.4297.81613.312
21-30 years ago2.2303.1266.31711.613
31-40 years ago1.9335.02010.01416.810
41-50 years ago0.9452.3298.11511.413
over 50 years ago7.2163.12627.0837.26
total18.81020.6966.14105.52
URn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.3371.2392.3284.817
11-20 years ago1.2400.6570.6562.426
21-30 years ago0.4710.21000.4691.043
31-40 years ago0.4720.0.0.4690.850
41-50 years ago0.4670.0.0.21000.652
over 50 years ago1.6340.8501.8324.219
total5.2172.8255.71513.76
VDn/a1.8330.0.0.0.1.833
less than 10 years ago39.061.8335.11945.95
11-20 years ago17.5100.9443.62322.08
21-30 years ago4.3211.4382.2307.915
31-40 years ago2.0310.6581.7334.321
41-50 years ago1.4370.0.0.6582.031
over 50 years ago4.1221.0451.9316.916
total70.035.61815.11090.82
VSn/a0.21000.21000.4710.750
less than 10 years ago6.6176.0188.81421.49
11-20 years ago4.6213.92210.61319.19
21-30 years ago3.5244.12110.31317.910
31-40 years ago2.2303.7236.11811.912
41-50 years ago1.3380.8502.9265.019
over 50 years ago8.7155.01913.71127.58
total27.1823.7852.85103.62
ZGn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.4230.21001.7264.412
11-20 years ago0.21000.0.0.7460.943
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.9190.21002.4185.57
ZHn/a0.0.0.0.0.0.0.0.
less than 10 years ago39.240.4711.14440.63
11-20 years ago6.5170.0.0.0.6.517
21-30 years ago1.5380.0.0.21001.735
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.4370.0.0.0.1.437
total48.520.4711.24150.22
Switzerlandn/a3.1260.21000.9454.222
less than 10 years ago385.9248.56134.64568.91
11-20 years ago94.6418.41071.15184.03
21-30 years ago36.4716.11141.5794.14
31-40 years ago21.01012.51333.9767.45
41-50 years ago9.4154.22119.71033.48
over 50 years ago57.6616.41171.65145.63
total607.91116.44373.221097.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #865307/331638
NFI1
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.0.0.
less than 10 years ago37.930.9330.0.38.83
11-20 years ago6.2120.11000.0.6.312
21-30 years ago1.3270.11000.0.1.426
31-40 years ago0.4500.2710.0.0.641
41-50 years ago0.0.0.11000.0.0.1100
over 50 years ago0.6400.2710.0.0.835
total46.321.6250.0.47.91
AIn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.4220.11001.5223.012
11-20 years ago0.4500.2710.8351.325
21-30 years ago0.0.0.0.0.11000.1100
31-40 years ago0.11000.0.0.11000.271
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3570.0.0.0.0.357
total2.2170.2572.4164.97
ARn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.2150.7370.9324.810
11-20 years ago1.2270.2710.8322.219
21-30 years ago0.0.0.11000.2720.358
31-40 years ago0.11000.0.0.0.0.1100
41-50 years ago0.2720.0.0.0.0.272
over 50 years ago0.2710.0.0.11000.357
total4.9100.9302.0207.94
BEn/a0.2710.0.0.3580.545
less than 10 years ago63.838.41137.45109.62
11-20 years ago11.193.31712.7927.26
21-30 years ago4.3152.1224.21510.69
31-40 years ago1.5260.8351.6253.916
41-50 years ago0.5450.4500.8351.724
over 50 years ago5.6130.7385.41311.89
total87.0315.8862.53165.41
BL/BSn/a0.0.0.0.0.0.0.0.
less than 10 years ago13.161.1311.12915.35
11-20 years ago2.4200.6400.3583.316
21-30 years ago0.6410.2710.11000.933
31-40 years ago0.11000.0.0.0.0.1100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.6380.0.0.11000.834
total16.941.9231.72420.42
FRn/a0.0.0.0.0.0.0.0.
less than 10 years ago13.770.6416.71121.05
11-20 years ago5.3130.11004.5149.89
21-30 years ago2.2210.11001.1313.317
31-40 years ago1.0310.3581.1302.420
41-50 years ago0.0.0.0.0.2710.271
over 50 years ago2.0220.2711.4273.616
total24.241.32815.0640.42
GEn/a0.11000.0.0.0.0.1100
less than 10 years ago1.0300.0.0.0.1.030
11-20 years ago0.3690.0.0.0.0.369
21-30 years ago1.0320.0.0.0.1.032
31-40 years ago0.6410.0.0.0.0.641
41-50 years ago0.11000.0.0.0.0.1100
over 50 years ago0.3690.0.0.0.0.369
total3.460.0.0.0.3.46
GLn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.7150.8373.0177.59
11-20 years ago0.4500.5431.1302.021
21-30 years ago0.4500.2710.6401.228
31-40 years ago0.11000.11000.7370.932
41-50 years ago0.11000.11000.11000.358
over 50 years ago1.5250.4501.1303.017
total6.2112.1206.61015.05
GRn/a0.3580.0.0.11000.450
less than 10 years ago23.269.71026.7659.63
11-20 years ago8.5114.01610.6923.26
21-30 years ago4.6152.9188.91016.47
31-40 years ago5.3141.2297.71114.28
41-50 years ago2.3210.5455.5138.311
over 50 years ago14.983.01813.7831.65
total59.1421.4673.23153.71
JUn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.171.2284.01519.35
11-20 years ago5.1130.7371.8247.511
21-30 years ago1.7240.2710.8352.719
31-40 years ago0.6410.0.0.3580.933
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.9230.5451.2283.716
total23.442.6198.11034.12
LUn/a0.0.0.0.0.0.0.0.
less than 10 years ago25.140.5453.91529.53
11-20 years ago5.8120.11001.4257.310
21-30 years ago0.9330.11000.3581.227
31-40 years ago0.6410.11000.2700.933
41-50 years ago0.4490.0.0.0.0.449
over 50 years ago1.4260.11000.4501.922
total34.130.9336.21241.22
NEn/a0.2700.0.0.0.0.270
less than 10 years ago18.352.1210.64021.04
11-20 years ago4.1150.6410.0.4.714
21-30 years ago0.6410.0.0.0.0.641
31-40 years ago0.5450.11000.11000.738
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8350.3580.11001.229
total24.533.0170.83528.42
NWn/a0.2710.2710.2710.740
less than 10 years ago1.8220.4492.3194.512
11-20 years ago0.2690.0.0.8371.032
21-30 years ago0.11000.11000.11000.358
31-40 years ago0.3580.11000.11000.543
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8370.11000.11001.032
total3.5141.0313.6148.05
OWn/a0.0.0.0.0.0.0.0.
less than 10 years ago4.9130.6413.0178.69
11-20 years ago0.9330.0.1.1302.121
21-30 years ago0.4500.11001.3281.823
31-40 years ago1.0330.0.0.8351.823
41-50 years ago0.4500.0.0.8351.328
over 50 years ago1.4250.4451.4273.216
total9.181.2298.5818.83
SGn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.672.91812.8830.34
11-20 years ago2.1220.9334.9147.911
21-30 years ago0.6410.3583.1184.016
31-40 years ago0.8350.3581.8232.918
41-50 years ago0.3580.2710.8351.328
over 50 years ago1.5270.0.2.9184.415
total19.964.51426.4550.82
SHn/a0.2710.0.0.0.0.271
less than 10 years ago8.660.2710.2719.06
11-20 years ago1.9210.11000.0.2.021
21-30 years ago0.5450.0.0.0.0.545
31-40 years ago0.4480.11000.0.0.543
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total11.630.4490.27112.22
SOn/a0.0.0.0.0.0.0.0.
less than 10 years ago22.541.5250.64124.63
11-20 years ago3.5160.11000.3583.915
21-30 years ago0.9330.2700.0.1.130
31-40 years ago0.3580.2720.11000.641
41-50 years ago0.11000.0.0.0.0.1100
over 50 years ago0.7370.2710.11001.031
total28.032.2211.13031.42
SZn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.1111.3286.21214.66
11-20 years ago2.1220.3581.9234.315
21-30 years ago1.2290.6411.6253.417
31-40 years ago0.7370.2700.7371.624
41-50 years ago0.4500.0.0.2710.640
over 50 years ago1.4260.11000.8352.420
total12.972.52011.4826.83
TGn/a0.0.0.0.0.11000.1100
less than 10 years ago14.150.3491.52316.04
11-20 years ago2.6180.0.0.2702.817
21-30 years ago0.0.0.0.0.2710.271
31-40 years ago0.0.0.0.0.11000.1100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3580.0.0.0.0.358
total17.030.3492.12019.42
TIn/a0.0.0.0.0.11000.1100
less than 10 years ago3.4175.0146.21214.78
11-20 years ago2.8192.8197.51113.18
21-30 years ago2.1223.2177.31112.68
31-40 years ago2.4205.21310.8918.47
41-50 years ago0.6411.9237.81110.49
over 50 years ago7.7113.81626.5638.14
total19.1722.0666.43107.42
URn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.3281.3272.2214.813
11-20 years ago1.1300.5490.9322.519
21-30 years ago0.3580.2710.6451.131
31-40 years ago0.3570.0.0.4480.837
41-50 years ago0.2550.11000.5490.835
over 50 years ago2.1220.6441.7244.414
total5.4122.7196.31114.45
VDn/a1.7240.0.0.0.1.724
less than 10 years ago42.142.2214.91449.23
11-20 years ago16.771.0313.61621.36
21-30 years ago4.2151.1302.3217.611
31-40 years ago1.6250.9331.6254.215
41-50 years ago1.5260.0.0.4501.923
over 50 years ago4.9140.9332.3218.111
total72.826.11215.2894.11
VSn/a0.4500.3580.5451.129
less than 10 years ago7.7116.5128.81023.06
11-20 years ago4.8143.5169.61017.97
21-30 years ago3.2174.2159.41016.87
31-40 years ago2.1223.0186.61211.89
41-50 years ago1.0320.7382.8194.515
over 50 years ago10.694.81411.9927.36
total29.8523.0649.63102.42
ZGn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.8140.11001.9194.97
11-20 years ago0.4490.0.0.4490.733
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.11000.0.0.0.0.1100
total3.3120.11002.3165.74
ZHn/a0.0.0.0.0.0.0.0.
less than 10 years ago39.030.3580.54539.83
11-20 years ago7.2110.0.0.0.7.211
21-30 years ago1.2290.0.0.11001.327
31-40 years ago0.3580.0.0.0.0.358
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.1300.0.0.0.1.130
total48.810.3580.64149.71
Switzerlandn/a3.4170.5451.3285.214
less than 10 years ago388.8148.64137.02574.31
11-20 years ago96.7319.6765.34181.62
21-30 years ago32.3616.1842.2590.63
31-40 years ago21.3712.8935.0569.14
41-50 years ago8.3114.01619.9732.25
over 50 years ago62.7416.4871.44150.52
total613.41118.13372.011103.60
© WSL, Swiss National Forest Inventory, 18.06.2020 #865308/331639
NFI1
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1983/85
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.0.0.
less than 10 years ago36.041.0440.0.37.04
11-20 years ago6.8160.21000.0.7.016
21-30 years ago1.8330.0.0.0.1.833
31-40 years ago0.21000.4710.0.0.658
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.0440.21000.0.1.240
total45.921.8330.0.47.72
AIn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.4340.21001.7303.316
11-20 years ago0.6580.21000.5571.235
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.21000.0.0.21000.471
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.3250.4722.4225.19
ARn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.5211.1400.5555.115
11-20 years ago1.3360.3710.8432.525
21-30 years ago0.0.0.21000.0.0.2100
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.31000.0.0.0.0.3100
over 50 years ago0.21000.0.0.0.0.2100
total5.3131.6321.3318.16
BEn/a4.0220.0.0.8504.820
less than 10 years ago63.958.71538.36110.93
11-20 years ago10.8133.02613.21227.08
21-30 years ago4.4211.8334.72110.813
31-40 years ago1.6351.0451.8334.421
41-50 years ago0.6580.4711.7352.728
over 50 years ago6.4171.0455.81813.112
total91.7315.91166.24173.81
BL/BSn/a0.0.0.0.0.0.0.0.
less than 10 years ago12.490.9501.53714.87
11-20 years ago1.7340.7570.4712.827
21-30 years ago0.9500.21000.21001.341
31-40 years ago0.5700.0.0.0.0.570
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.5670.0.0.0.0.567
total16.161.8352.13020.03
FRn/a0.8510.0.0.0.0.851
less than 10 years ago14.5100.6585.71720.87
11-20 years ago5.7180.0.5.11810.812
21-30 years ago2.5290.0.0.4722.926
31-40 years ago1.2410.4730.6582.330
41-50 years ago0.0.0.0.0.21000.2100
over 50 years ago2.3300.21001.0453.524
total27.251.24113.01041.43
GEn/a0.0.0.0.0.0.0.0.
less than 10 years ago0.8660.0.0.0.0.866
11-20 years ago0.41000.0.0.0.0.4100
21-30 years ago0.8660.0.0.0.0.866
31-40 years ago1.2500.0.0.0.1.250
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLn/a1.7330.0.0.9492.627
less than 10 years ago3.4220.9443.1247.513
11-20 years ago0.6580.5551.2402.328
21-30 years ago0.4710.4710.9441.832
31-40 years ago0.0.0.0.0.8500.850
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.6580.4711.2402.129
total6.8152.3278.11217.15
GRn/a17.1110.21003.12520.410
less than 10 years ago23.899.91425.2858.95
11-20 years ago7.1163.52312.31223.09
21-30 years ago5.7183.3249.51418.610
31-40 years ago5.4190.6587.91513.911
41-50 years ago2.0320.6584.4217.016
over 50 years ago16.2113.02614.31133.47
total77.4421.1976.74175.22
JUn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.391.2403.82119.37
11-20 years ago4.7190.8492.2297.615
21-30 years ago1.9310.21000.8502.925
31-40 years ago0.21000.0.0.6580.850
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.2410.8501.4373.323
total22.462.9258.71334.03
LUn/a0.21000.0.0.21000.471
less than 10 years ago25.660.6583.82230.05
11-20 years ago5.0190.0.2.2307.216
21-30 years ago1.2400.21000.0.1.438
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.9490.0.0.0.0.949
over 50 years ago1.4380.21000.6572.230
total34.341.0456.81642.12
NEn/a0.21000.21000.0.0.370
less than 10 years ago17.772.4271.04421.06
11-20 years ago4.2200.21000.0.4.420
21-30 years ago0.8510.0.0.0.0.851
31-40 years ago0.9510.0.0.21001.145
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.4720.0.0.851
total24.153.1231.24128.33
NWn/a0.5710.0.0.0.0.571
less than 10 years ago2.0320.4671.9334.318
11-20 years ago0.0.0.0.1.1441.144
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.4720.21000.21000.848
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.0490.0.0.31001.243
total3.9200.5523.5227.98
OWn/a0.21000.0.0.21000.471
less than 10 years ago4.3190.7502.7267.713
11-20 years ago1.4370.0.1.2412.626
21-30 years ago0.6580.0.1.4391.932
31-40 years ago1.0440.0.0.8511.833
41-50 years ago0.7580.0.0.9481.536
over 50 years ago1.3370.5581.3363.122
total9.5121.2378.41219.14
SGn/a1.2410.21000.7572.132
less than 10 years ago15.0103.22512.01130.26
11-20 years ago2.9270.6585.7189.114
21-30 years ago1.0450.21002.9264.122
31-40 years ago1.4380.21002.4294.022
41-50 years ago0.0.0.21001.3401.538
over 50 years ago2.0330.0.3.1265.120
total23.484.72028.1656.33
SHn/a0.21000.0.0.0.0.2100
less than 10 years ago10.160.21000.0.10.36
11-20 years ago0.9410.21000.0.1.137
21-30 years ago0.4710.0.0.0.0.471
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total11.940.4690.0.12.33
SOn/a0.0.0.0.0.0.0.0.
less than 10 years ago24.351.2410.55726.04
11-20 years ago2.9240.0.0.21003.123
21-30 years ago1.1410.5700.0.1.636
31-40 years ago0.21000.21000.21000.758
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.3710.21000.0.0.557
total29.132.1310.94532.12
SZn/a0.21000.0.0.21000.471
less than 10 years ago7.3150.8505.81714.09
11-20 years ago2.4280.4711.5354.320
21-30 years ago1.6350.6581.3373.523
31-40 years ago0.8500.21001.0441.930
41-50 years ago0.6580.0.0.0.0.658
over 50 years ago2.4280.21001.2403.822
total15.392.22911.01128.53
TGn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.270.4571.53316.15
11-20 years ago2.6250.0.0.21002.824
21-30 years ago0.0.0.0.0.21000.2100
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.6590.0.0.0.0.659
total17.350.4572.02919.73
TIn/a9.3140.85013.21223.39
less than 10 years ago3.6234.8206.71715.111
11-20 years ago3.2252.4297.81613.412
21-30 years ago2.2303.1266.31711.613
31-40 years ago1.9335.21910.41317.410
41-50 years ago1.2412.3298.11511.613
over 50 years ago8.1153.62327.6839.46
total29.5822.2980.23131.82
URn/a3.0250.0.1.4384.321
less than 10 years ago1.5351.2392.3285.017
11-20 years ago1.2400.6570.6562.426
21-30 years ago0.4710.21000.4691.043
31-40 years ago0.4720.0.0.4690.850
41-50 years ago0.4670.0.0.21000.652
over 50 years ago1.8310.8501.8324.418
total8.6132.8257.01418.45
VDn/a2.8260.0.0.6583.424
less than 10 years ago39.061.8335.11945.95
11-20 years ago17.5100.9443.62322.08
21-30 years ago4.3211.4382.2307.915
31-40 years ago2.0310.6581.7334.321
41-50 years ago1.4370.0.0.6582.031
over 50 years ago4.5211.2411.9317.616
total71.535.81815.71093.02
VSn/a7.3170.6581.5359.414
less than 10 years ago6.6176.0188.81421.49
11-20 years ago4.8204.12210.81319.79
21-30 years ago3.7234.32110.51318.510
31-40 years ago2.2303.7236.51712.412
41-50 years ago1.3380.8502.9265.019
over 50 years ago9.9145.21914.71129.97
total35.8724.7855.84116.32
ZGn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.4230.21001.7264.412
11-20 years ago0.21000.0.0.7460.943
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.9190.21002.4185.57
ZHn/a0.0.0.0.0.0.0.0.
less than 10 years ago39.240.4711.14440.63
11-20 years ago6.5170.0.0.0.6.517
21-30 years ago1.5380.0.0.21001.735
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.4370.0.0.0.1.437
total48.520.4711.24150.22
Switzerlandn/a48.861.93222.8973.55
less than 10 years ago387.0248.76134.84570.51
11-20 years ago95.5418.61071.35185.43
21-30 years ago37.2716.51141.9795.64
31-40 years ago21.81012.71235.7770.25
41-50 years ago9.6144.22120.31034.27
over 50 years ago63.8517.81076.05157.63
total663.81120.64402.721187.01
© WSL, Swiss National Forest Inventory, 18.06.2020 #865309/331640
NFI4
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.10.0
less than 10 years ago57.91.774.51.343.52.118.91.210.11.946.60.8
11-20 years ago21.01.415.51.122.81.813.91.17.71.716.90.6
21-30 years ago8.51.05.10.79.11.213.11.19.91.99.00.5
31-40 years ago5.30.82.20.56.51.010.31.016.92.46.80.4
41-50 years ago3.30.60.90.35.51.08.20.910.92.04.80.4
over 50 years ago4.00.71.60.412.61.435.51.544.63.115.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago55.25.254.19.145.66.132.72.721.03.535.81.9
11-20 years ago17.74.012.65.924.75.318.02.210.12.616.71.5
21-30 years ago8.93.06.74.69.83.611.71.98.02.310.01.2
31-40 years ago2.21.56.74.66.02.910.51.87.02.17.81.1
41-50 years ago1.11.13.43.34.52.66.51.49.52.56.01.0
over 50 years ago14.93.716.56.79.33.620.72.444.44.223.71.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago38.44.862.45.646.22.322.91.47.91.227.01.0
11-20 years ago21.54.120.24.722.81.917.01.24.71.015.70.8
21-30 years ago7.92.710.83.69.41.314.11.27.41.211.00.7
31-40 years ago12.33.34.02.36.71.18.40.98.81.38.10.6
41-50 years ago6.92.51.41.34.70.97.90.99.11.37.20.6
over 50 years ago13.03.41.21.210.11.429.71.562.02.231.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.71.673.21.344.81.522.40.910.61.039.20.6
11-20 years ago20.71.315.71.122.91.315.70.86.40.816.50.5
21-30 years ago8.50.95.50.79.30.913.30.78.20.99.70.4
31-40 years ago5.70.72.40.56.60.79.50.610.81.07.30.3
41-50 years ago3.40.61.00.35.10.77.90.69.71.05.70.3
over 50 years ago5.80.72.00.411.30.931.11.054.41.721.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865310/331641
NFI4
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.20.20.0.0.0.0.10.0
less than 10 years ago57.61.774.01.342.32.117.91.28.51.644.80.8
11-20 years ago20.91.415.61.122.11.712.81.06.51.416.20.6
21-30 years ago8.41.05.20.79.01.212.41.09.01.68.80.5
31-40 years ago5.30.82.20.56.41.09.80.914.62.16.60.4
41-50 years ago3.40.60.90.35.30.97.90.810.21.84.80.3
over 50 years ago4.30.72.00.414.61.539.31.551.32.918.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago54.65.254.19.145.66.131.92.720.23.435.01.9
11-20 years ago18.64.112.65.924.75.317.92.29.72.516.61.5
21-30 years ago8.83.06.74.69.83.611.71.97.72.29.91.2
31-40 years ago2.21.56.74.66.02.910.31.86.72.07.71.1
41-50 years ago1.11.13.43.34.52.66.31.49.12.45.90.9
over 50 years ago14.83.616.56.79.33.621.92.446.64.224.91.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago38.44.861.65.645.02.222.31.37.71.226.20.9
11-20 years ago21.54.120.04.622.61.916.41.24.50.915.30.8
21-30 years ago7.92.710.63.59.21.313.71.17.01.110.60.7
31-40 years ago12.33.34.02.27.01.18.40.98.61.28.10.6
41-50 years ago6.92.51.31.34.80.97.70.99.11.37.10.6
over 50 years ago13.03.42.51.811.41.431.51.563.12.132.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.10.10.0.0.0.0.00.0
less than 10 years ago55.41.672.71.343.71.521.50.99.81.037.80.5
11-20 years ago20.71.315.81.122.51.214.90.75.90.816.00.4
21-30 years ago8.40.95.60.79.10.912.90.77.70.99.50.4
31-40 years ago5.70.72.40.56.60.79.30.610.11.07.20.3
41-50 years ago3.50.61.00.35.10.67.60.69.40.95.70.3
over 50 years ago6.10.82.40.412.91.033.91.057.01.623.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865311/331642
NFI4
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.20.20.0.0.0.0.10.0
less than 10 years ago57.71.774.21.343.02.118.41.39.01.746.20.8
11-20 years ago20.71.415.51.122.11.813.41.16.71.516.50.6
21-30 years ago8.51.05.10.78.51.210.51.08.41.78.00.5
31-40 years ago5.30.82.20.56.71.110.41.015.62.26.70.4
41-50 years ago3.50.61.00.35.51.07.90.910.81.94.80.4
over 50 years ago4.20.71.90.414.01.539.51.649.63.017.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago54.65.254.19.145.66.132.02.719.83.435.01.9
11-20 years ago18.64.112.65.924.75.318.12.29.82.516.81.5
21-30 years ago8.83.06.74.69.83.611.91.97.82.310.01.2
31-40 years ago2.21.56.74.66.02.910.11.76.82.17.61.1
41-50 years ago1.11.13.43.34.52.66.41.49.32.55.90.9
over 50 years ago14.83.616.56.79.33.621.52.446.64.224.71.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago38.84.962.45.645.12.222.31.47.81.226.30.9
11-20 years ago20.74.020.24.722.51.916.61.24.50.915.30.8
21-30 years ago8.02.710.83.69.01.313.41.16.91.110.40.7
31-40 years ago12.43.34.02.37.01.18.60.98.41.28.20.6
41-50 years ago7.02.51.41.34.91.07.70.99.11.37.10.6
over 50 years ago13.13.41.21.211.51.431.51.563.32.132.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.10.10.0.0.0.0.00.0
less than 10 years ago55.51.672.91.344.11.521.90.910.01.038.50.6
11-20 years ago20.51.315.71.122.51.315.40.85.90.816.10.5
21-30 years ago8.40.95.50.78.80.911.90.77.50.99.00.4
31-40 years ago5.70.72.50.56.80.89.60.610.21.07.30.3
41-50 years ago3.60.61.00.35.20.77.60.69.61.05.70.3
over 50 years ago6.10.82.20.412.61.033.61.056.81.623.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865312/331643
NFI1
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.0.0.
less than 10 years ago37.930.9330.0.38.83
11-20 years ago6.2120.11000.0.6.312
21-30 years ago1.4260.11000.0.1.526
31-40 years ago0.4500.2710.0.0.641
41-50 years ago0.0.0.11000.0.0.1100
over 50 years ago0.6400.2710.0.0.835
total46.411.6250.0.48.01
AIn/a0.11000.0.0.0.0.1100
less than 10 years ago1.4220.11001.5223.012
11-20 years ago0.5450.2710.8351.424
21-30 years ago0.0.0.0.0.11000.1100
31-40 years ago0.11000.0.0.11000.271
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3570.0.0.0.0.357
total2.4170.2572.4165.17
ARn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.2150.7370.9324.810
11-20 years ago1.2270.2710.8322.219
21-30 years ago0.0.0.11000.2720.358
31-40 years ago0.11000.0.0.0.0.1100
41-50 years ago0.2720.0.0.0.0.272
over 50 years ago0.2710.0.0.11000.357
total4.9100.9302.0207.94
BEn/a3.7160.11000.5454.315
less than 10 years ago64.338.41137.75110.42
11-20 years ago11.193.31712.9827.46
21-30 years ago4.5152.1224.21510.99
31-40 years ago1.6250.8351.6254.016
41-50 years ago0.5450.4501.0321.923
over 50 years ago6.7120.8356.41214.08
total92.4216.0864.43172.91
BL/BSn/a0.0.0.0.0.0.0.0.
less than 10 years ago13.161.1311.12915.35
11-20 years ago2.4200.6400.3583.316
21-30 years ago0.6410.2710.11000.933
31-40 years ago0.2700.0.0.0.0.270
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.6380.0.0.11000.834
total17.041.9231.72420.52
FRn/a0.5450.0.0.11000.641
less than 10 years ago13.870.6416.71121.15
11-20 years ago5.3130.11004.5149.89
21-30 years ago2.2210.11001.1303.417
31-40 years ago1.0310.3581.1302.420
41-50 years ago0.0.0.0.0.2710.271
over 50 years ago2.1220.2711.4273.716
total24.841.32815.2641.32
GEn/a0.11000.0.0.0.0.1100
less than 10 years ago1.0300.0.0.0.1.030
11-20 years ago0.3690.0.0.0.0.369
21-30 years ago1.0320.0.0.0.1.032
31-40 years ago0.6410.0.0.0.0.641
41-50 years ago0.11000.0.0.0.0.1100
over 50 years ago0.3690.0.0.0.0.369
total3.460.0.0.0.3.46
GLn/a1.6240.0.0.7362.320
less than 10 years ago3.7150.8373.0177.59
11-20 years ago0.4500.5431.1302.021
21-30 years ago0.4500.2710.6401.228
31-40 years ago0.11000.11000.8351.031
41-50 years ago0.11000.11000.11000.358
over 50 years ago1.5250.4501.3273.217
total7.8102.1207.6917.64
GRn/a15.780.3583.61719.77
less than 10 years ago23.369.91026.7659.93
11-20 years ago8.6114.01610.8923.46
21-30 years ago4.7143.0189.11016.87
31-40 years ago5.6131.2298.01114.88
41-50 years ago2.3210.5455.6138.411
over 50 years ago16.383.31714.7834.35
total76.5322.3678.43177.21
JUn/a0.0.0.0.0.0.0.0.
less than 10 years ago14.171.2284.01519.35
11-20 years ago5.1130.7371.8247.511
21-30 years ago1.7240.2710.8352.719
31-40 years ago0.6410.0.0.3580.933
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago2.0220.5451.2283.716
total23.542.6198.11034.22
LUn/a0.11000.0.0.11000.271
less than 10 years ago25.140.5453.91529.53
11-20 years ago5.9120.11001.4257.510
21-30 years ago0.9310.11000.3581.326
31-40 years ago0.6410.11000.2700.933
41-50 years ago0.4490.0.0.0.0.449
over 50 years ago1.7230.11000.4502.221
total34.830.9336.31141.92
NEn/a0.2700.11000.11000.449
less than 10 years ago18.352.1210.64021.04
11-20 years ago4.1150.6410.0.4.714
21-30 years ago0.6410.0.0.0.0.641
31-40 years ago0.5450.11000.11000.738
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8350.3580.11001.229
total24.533.1160.93328.52
NWn/a0.3580.2710.2710.837
less than 10 years ago1.9220.4492.3194.611
11-20 years ago0.2690.0.0.8371.032
21-30 years ago0.11000.11000.11000.358
31-40 years ago0.3580.11000.11000.543
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.8370.11000.11001.032
total3.7141.0313.6148.25
OWn/a0.3580.0.0.11000.450
less than 10 years ago4.9130.6413.0178.69
11-20 years ago0.9330.0.1.1302.121
21-30 years ago0.4500.11001.3281.823
31-40 years ago1.0330.11000.8351.923
41-50 years ago0.4500.0.0.8351.328
over 50 years ago1.4250.4451.4273.216
total9.481.3288.6819.33
SGn/a1.1300.11000.9352.122
less than 10 years ago14.772.91812.8830.44
11-20 years ago2.1220.9335.0148.011
21-30 years ago0.6410.3583.2174.115
31-40 years ago0.8350.3582.4203.516
41-50 years ago0.3580.2710.9331.427
over 50 years ago1.6260.11003.5175.214
total21.264.71428.7454.72
SHn/a0.2710.0.0.0.0.271
less than 10 years ago8.660.2710.2719.06
11-20 years ago1.9210.11000.0.2.021
21-30 years ago0.5450.0.0.0.0.545
31-40 years ago0.4480.11000.0.0.543
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total11.630.4490.27112.22
SOn/a0.0.0.0.0.0.0.0.
less than 10 years ago22.541.5250.73824.73
11-20 years ago3.6150.11000.3584.015
21-30 years ago0.9330.2700.0.1.130
31-40 years ago0.3580.2720.11000.641
41-50 years ago0.11000.0.0.0.0.1100
over 50 years ago0.7370.2710.11001.031
total28.132.2211.22931.62
SZn/a0.11000.11000.11000.357
less than 10 years ago7.1111.3286.31214.76
11-20 years ago2.1220.3581.9234.315
21-30 years ago1.2290.6411.6253.417
31-40 years ago0.7370.2700.7371.624
41-50 years ago0.4500.0.0.2710.640
over 50 years ago1.9220.11000.9333.018
total13.572.71911.7727.92
TGn/a0.0.0.0.0.11000.1100
less than 10 years ago14.150.3491.52316.04
11-20 years ago2.6180.0.0.2702.817
21-30 years ago0.0.0.0.0.2710.271
31-40 years ago0.0.0.0.0.11000.1100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3580.0.0.0.0.358
total17.030.3492.12019.42
TIn/a9.5101.42711.7922.76
less than 10 years ago3.4175.0146.31214.88
11-20 years ago2.9182.8197.61113.38
21-30 years ago2.1223.2177.31112.68
31-40 years ago2.7195.31311.2919.27
41-50 years ago0.8351.9238.01110.89
over 50 years ago8.8104.11527.7540.64
total30.3523.8679.92134.01
URn/a3.3170.4501.4285.014
less than 10 years ago1.4271.3272.2214.913
11-20 years ago1.1300.5490.9322.519
21-30 years ago0.3580.2710.6451.131
31-40 years ago0.3570.0.0.4480.837
41-50 years ago0.2550.11000.5490.835
over 50 years ago2.3200.6441.7244.614
total9.093.1177.6919.74
VDn/a2.5200.0.0.6413.118
less than 10 years ago42.142.2214.91449.23
11-20 years ago16.771.0313.61621.36
21-30 years ago4.2151.1302.3217.611
31-40 years ago1.6250.9331.6254.215
41-50 years ago1.5260.0.0.4501.923
over 50 years ago5.2141.0312.3218.511
total73.826.21215.8795.81
VSn/a7.5110.8351.72410.010
less than 10 years ago7.8116.5129.21023.46
11-20 years ago5.0143.6169.81018.47
21-30 years ago3.3174.3159.61017.27
31-40 years ago2.1223.0186.81212.09
41-50 years ago1.0320.8352.8194.614
over 50 years ago11.995.01412.9829.85
total38.6524.0652.83115.41
ZGn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.8140.11001.9194.97
11-20 years ago0.4490.0.0.4490.733
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.11000.0.0.0.0.1100
total3.3120.11002.3165.74
ZHn/a0.0.0.0.0.0.0.0.
less than 10 years ago39.130.3580.54539.93
11-20 years ago7.2110.0.0.0.7.211
21-30 years ago1.2290.0.0.11001.327
31-40 years ago0.3580.0.0.0.0.358
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.1300.0.0.0.1.130
total48.910.3580.64149.81
Switzerlandn/a46.853.51721.9772.34
less than 10 years ago390.0148.84137.92576.71
11-20 years ago97.5319.7766.04183.32
21-30 years ago32.9516.4842.8592.13
31-40 years ago22.1713.0936.6571.74
41-50 years ago8.5114.11620.5733.15
over 50 years ago69.3417.5876.43163.22
total667.11123.03402.111192.20
© WSL, Swiss National Forest Inventory, 18.06.2020 #865313/331644
NFI2
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.0.0.
less than 10 years ago34.040.4710.0.34.44
11-20 years ago7.6140.6580.0.8.214
21-30 years ago1.8330.21000.0.2.031
31-40 years ago0.8500.0.0.0.0.850
41-50 years ago0.21000.4710.0.0.658
over 50 years ago0.4710.21000.0.0.658
total44.921.8330.0.46.72
AIn/a0.0.0.0.0.0.0.0.
less than 10 years ago0.4680.4720.7491.531
11-20 years ago0.9420.0.1.0431.927
21-30 years ago0.6580.0.0.5571.139
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.0.0.21000.471
over 50 years ago0.21000.0.0.0.0.2100
total2.3250.4722.4225.19
ARn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.9220.6580.7494.117
11-20 years ago1.5350.7500.3692.525
21-30 years ago0.5670.21000.3691.044
31-40 years ago0.0.0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4730.0.0.0.0.473
total5.3131.6321.3318.16
BEn/a0.0.0.0.0.0.0.0.
less than 10 years ago49.456.71728.9885.04
11-20 years ago20.994.42116.51041.86
21-30 years ago5.8181.8337.41615.011
31-40 years ago2.4291.2413.3256.817
41-50 years ago1.4381.0450.8503.225
over 50 years ago3.6230.4705.2199.214
total83.5415.51162.15161.11
BL/BSn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.9141.1450.21009.212
11-20 years ago5.5170.21001.5377.114
21-30 years ago0.9510.21000.21001.341
31-40 years ago0.9500.21000.21001.341
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.31000.0.0.0.0.3100
total15.761.8352.13019.64
FRn/a0.0.0.0.0.0.0.0.
less than 10 years ago13.9100.8504.72019.38
11-20 years ago6.1180.21003.3239.613
21-30 years ago2.2310.0.3.0225.218
31-40 years ago1.6350.0.0.4722.032
41-50 years ago0.8500.31000.21001.341
over 50 years ago1.3410.0.1.0452.330
total25.951.24112.61039.73
GEn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.2500.0.0.0.1.250
11-20 years ago0.0.0.0.0.0.0.0.
21-30 years ago0.41000.0.0.0.0.4100
31-40 years ago0.41000.0.0.0.0.4100
41-50 years ago1.2500.0.0.0.1.250
over 50 years ago0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.6350.6582.5264.718
11-20 years ago1.9290.5571.6344.019
21-30 years ago0.4710.4690.6571.437
31-40 years ago0.4710.4710.8501.634
41-50 years ago0.0.0.0.0.6570.657
over 50 years ago0.6580.4710.6581.534
total4.9182.3276.61413.87
GRn/a0.4710.0.0.0.0.471
less than 10 years ago17.1106.41721.5944.96
11-20 years ago12.6125.91813.91132.47
21-30 years ago4.8202.2307.81514.711
31-40 years ago3.6232.3296.71712.612
41-50 years ago2.4290.4716.3179.214
over 50 years ago13.3122.52814.41130.37
total54.2519.7970.64144.52
JUn/a0.0.0.0.0.0.0.0.
less than 10 years ago9.6130.8503.52313.910
11-20 years ago8.0140.6572.72511.311
21-30 years ago2.3280.8490.8503.921
31-40 years ago1.0440.21000.4701.635
41-50 years ago0.21000.0.0.6580.850
over 50 years ago0.21000.6570.6571.437
total21.362.9258.51332.83
LUn/a0.0.0.0.0.0.0.0.
less than 10 years ago16.880.21002.92619.87
11-20 years ago10.4120.4712.22913.010
21-30 years ago3.1250.0.1.1404.221
31-40 years ago0.6570.21000.0.0.850
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.1440.21000.21001.537
total31.941.0456.41639.43
NEn/a0.0.0.0.0.0.0.0.
less than 10 years ago16.772.2281.04419.86
11-20 years ago4.8190.21000.0.5.019
21-30 years ago1.3410.0.0.0.1.341
31-40 years ago0.4710.0.0.0.0.471
41-50 years ago0.31000.0.0.21000.572
over 50 years ago0.0.0.4720.0.0.472
total23.452.7251.24127.33
NWn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.8330.21002.2304.219
11-20 years ago0.5710.21000.5711.243
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.21000.21000.552
over 50 years ago1.0490.0.0.31001.243
total3.5210.5523.2237.29
OWn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.4230.5582.8256.714
11-20 years ago2.3270.4711.4384.119
21-30 years ago1.0450.0.1.0452.031
31-40 years ago0.4700.0.0.7581.144
41-50 years ago0.4710.0.0.7571.144
over 50 years ago1.6350.3691.4373.223
total9.1121.2377.81218.14
SGn/a0.0.0.0.0.0.0.0.
less than 10 years ago11.0131.9328.31521.28
11-20 years ago5.5181.9336.91514.310
21-30 years ago0.8500.21002.8273.823
31-40 years ago0.4710.21002.0312.728
41-50 years ago1.1410.0.1.4382.627
over 50 years ago1.3410.21002.6284.222
total20.194.52124.2748.84
SHn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.7110.0.0.0.7.711
11-20 years ago3.8200.21000.0.4.019
21-30 years ago0.0.0.21000.0.0.2100
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.
total11.940.4690.0.12.33
SOn/a0.0.0.0.0.0.0.0.
less than 10 years ago18.570.6580.46919.57
11-20 years ago7.6150.8510.21008.514
21-30 years ago1.0390.0.0.21001.236
31-40 years ago0.8510.5700.0.1.341
41-50 years ago0.0.0.0.0.21000.2100
over 50 years ago0.6590.21000.0.0.850
total28.532.1310.94531.62
SZn/a0.0.0.0.0.0.0.0.
less than 10 years ago6.6161.0443.12410.711
11-20 years ago2.2300.21003.5235.817
21-30 years ago1.4380.21001.1412.726
31-40 years ago1.0450.4710.8492.229
41-50 years ago0.8500.0.0.8501.634
over 50 years ago1.5350.0.1.0452.527
total13.5101.83210.21225.54
TGn/a0.0.0.0.0.0.0.0.
less than 10 years ago11.290.3701.83113.27
11-20 years ago5.0170.11000.21005.316
21-30 years ago0.7520.0.0.0.0.752
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3720.0.0.0.0.372
total17.250.4572.02919.63
TIn/a0.21000.0.0.0.0.2100
less than 10 years ago2.7282.0315.31910.014
11-20 years ago1.4384.0224.5219.914
21-30 years ago1.2412.0316.71710.014
31-40 years ago2.2302.9275.91811.013
41-50 years ago1.7354.6218.81515.011
over 50 years ago7.0164.02232.8743.76
total16.31019.5964.1499.92
URn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.2400.4713.1234.718
11-20 years ago0.7491.0440.21001.930
21-30 years ago1.2400.6570.4692.228
31-40 years ago0.0.0.21000.4690.656
41-50 years ago0.4720.0.0.21000.658
over 50 years ago1.3370.4711.2402.924
total4.8182.6265.51612.96
VDn/a0.0.0.0.0.0.0.0.
less than 10 years ago35.162.2306.31743.65
11-20 years ago15.5101.0452.82619.39
21-30 years ago9.4140.7491.63511.812
31-40 years ago2.2300.6581.0453.723
41-50 years ago1.2410.4711.2412.726
over 50 years ago4.0220.4712.1306.517
total67.535.31914.91187.72
VSn/a0.0.0.21000.21000.471
less than 10 years ago5.9184.12211.01321.09
11-20 years ago3.6234.1216.31714.011
21-30 years ago3.4242.9267.71614.011
31-40 years ago2.3302.9268.11513.411
41-50 years ago1.5353.5234.7209.714
over 50 years ago7.7164.82014.11126.68
total24.5822.5852.0599.02
ZGn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.3240.21001.3303.815
11-20 years ago0.4720.0.0.6571.044
21-30 years ago0.0.0.0.0.4670.467
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.9190.21002.2205.48
ZHn/a0.0.0.0.0.0.0.0.
less than 10 years ago34.940.21001.14436.24
11-20 years ago8.6140.21000.0.8.814
21-30 years ago2.6280.0.0.0.2.628
31-40 years ago0.7570.0.0.21000.850
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.0.0.0.0.470
total47.120.4711.24148.82
Switzerlandn/a0.6580.21000.21000.945
less than 10 years ago313.7233.78113.14460.52
11-20 years ago137.4427.7870.15235.23
21-30 years ago46.7612.51243.67102.84
31-40 years ago22.21012.51330.8865.55
41-50 years ago14.51210.81327.1852.36
over 50 years ago48.3614.91177.45140.63
total583.41112.24362.221057.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #865314/331645
NFI2
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.0.0.2100
less than 10 years ago34.640.4710.0.35.04
11-20 years ago7.8140.6580.0.8.414
21-30 years ago1.8330.21000.0.2.031
31-40 years ago1.0440.0.0.0.1.044
41-50 years ago0.21000.4710.0.0.658
over 50 years ago0.6570.21000.0.0.850
total46.321.8330.0.48.12
AIn/a0.0.0.0.0.0.0.0.
less than 10 years ago0.4680.4720.7491.531
11-20 years ago0.9420.0.1.0431.927
21-30 years ago0.6580.0.0.5571.139
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.0.0.21000.471
over 50 years ago0.21000.0.0.0.0.2100
total2.3250.4722.4225.19
ARn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.9220.6580.7494.117
11-20 years ago1.5350.7500.3692.525
21-30 years ago0.5670.21000.3691.044
31-40 years ago0.0.0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4730.0.0.0.0.473
total5.3131.6321.3318.16
BEn/a1.0450.21000.0.1.241
less than 10 years ago50.456.71730.1887.24
11-20 years ago21.394.42117.11042.86
21-30 years ago6.0181.8337.41615.211
31-40 years ago2.7271.2413.6237.616
41-50 years ago1.4381.0451.0453.424
over 50 years ago4.8200.4705.21910.414
total87.7415.71164.55167.91
BL/BSn/a0.0.0.0.0.0.0.0.
less than 10 years ago8.2131.1450.5709.911
11-20 years ago5.5170.21001.5377.114
21-30 years ago0.9510.21000.21001.341
31-40 years ago0.9500.21000.21001.341
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.31000.0.0.0.0.3100
total16.161.8352.32820.23
FRn/a0.21000.0.0.0.0.2100
less than 10 years ago14.7100.8504.91920.38
11-20 years ago6.3170.21003.3239.813
21-30 years ago2.2310.0.3.2215.418
31-40 years ago1.6350.0.0.4722.032
41-50 years ago0.8500.31000.4711.538
over 50 years ago1.3410.0.1.2412.529
total27.151.24113.41041.73
GEn/a0.41000.0.0.0.0.4100
less than 10 years ago1.2500.0.0.0.1.250
11-20 years ago0.0.0.0.0.0.0.0.
21-30 years ago0.41000.0.0.0.0.4100
31-40 years ago0.41000.0.0.0.0.4100
41-50 years ago1.2500.0.0.0.1.250
over 50 years ago0.0.0.0.0.0.0.0.
total3.520.0.0.0.3.52
GLn/a0.21000.0.0.0.0.2100
less than 10 years ago2.0310.6582.6255.217
11-20 years ago1.9290.5571.6344.019
21-30 years ago0.4710.4690.6571.437
31-40 years ago0.4710.4710.8501.634
41-50 years ago0.0.0.0.0.6570.657
over 50 years ago0.8500.4710.8501.931
total5.7172.3277.01414.96
GRn/a1.2410.4711.0452.628
less than 10 years ago18.5106.81722.3947.66
11-20 years ago14.0116.11815.51135.67
21-30 years ago6.2182.2308.01516.311
31-40 years ago4.3212.5287.11614.011
41-50 years ago3.1260.4716.51710.014
over 50 years ago16.7103.12517.01036.97
total64.1521.5977.44162.92
JUn/a0.4710.0.0.0.0.471
less than 10 years ago9.8120.8503.52314.110
11-20 years ago8.2140.6572.72511.511
21-30 years ago2.3280.8490.8503.921
31-40 years ago1.0440.21000.4701.635
41-50 years ago0.21000.0.0.6580.850
over 50 years ago0.21000.6570.8501.635
total22.162.9258.71333.73
LUn/a0.21000.0.0.0.0.2100
less than 10 years ago17.280.21002.92620.27
11-20 years ago10.6120.4712.22913.210
21-30 years ago3.4240.0.1.1404.620
31-40 years ago0.6570.21000.0.0.850
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.5370.21000.4712.131
total33.541.0456.61641.22
NEn/a0.21000.0.0.0.0.2100
less than 10 years ago16.972.4271.04420.26
11-20 years ago5.1190.21000.0.5.218
21-30 years ago1.4380.0.0.0.1.438
31-40 years ago0.4710.0.0.0.0.471
41-50 years ago0.31000.0.0.21000.572
over 50 years ago0.0.0.4720.0.0.472
total24.252.9241.24128.33
NWn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.8330.21002.2304.219
11-20 years ago0.8560.21000.5711.539
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.21000.21000.552
over 50 years ago1.4390.0.0.31001.736
total4.3180.5523.2238.08
OWn/a0.21000.0.0.0.0.2100
less than 10 years ago3.6220.5582.8256.914
11-20 years ago2.3270.4711.4384.119
21-30 years ago1.0450.0.1.0452.031
31-40 years ago0.6570.0.0.9491.537
41-50 years ago0.4710.0.0.7571.144
over 50 years ago1.8330.3691.4373.422
total9.9111.2378.11219.14
SGn/a0.7580.0.0.21000.950
less than 10 years ago11.6121.9329.11422.68
11-20 years ago6.1171.9337.21515.210
21-30 years ago1.0450.21003.5244.721
31-40 years ago0.4710.21002.0312.728
41-50 years ago1.1410.0.1.4382.627
over 50 years ago2.2310.21003.5245.918
total23.184.52127.0754.53
SHn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.7110.0.0.0.7.711
11-20 years ago3.8200.21000.0.4.019
21-30 years ago0.0.0.21000.0.0.2100
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.
total11.940.4690.0.12.33
SOn/a0.0.0.0.0.0.0.0.
less than 10 years ago18.970.6580.46919.97
11-20 years ago7.7140.8510.21008.713
21-30 years ago1.2360.0.0.21001.433
31-40 years ago0.8510.5700.0.1.341
41-50 years ago0.0.0.0.0.21000.2100
over 50 years ago0.6590.21000.0.0.850
total29.332.1310.94532.32
SZn/a0.0.0.0.0.0.0.0.
less than 10 years ago6.8151.2403.32311.211
11-20 years ago2.6270.21003.5236.217
21-30 years ago1.6350.21001.1412.925
31-40 years ago1.0450.6581.0442.627
41-50 years ago0.8500.0.1.0451.833
over 50 years ago1.5350.0.1.2412.726
total14.392.22911.01127.54
TGn/a0.11000.0.0.0.0.1100
less than 10 years ago11.390.3701.83113.47
11-20 years ago5.0170.11000.21005.316
21-30 years ago0.7520.0.0.0.0.752
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3720.0.0.0.0.372
total17.550.4572.02919.93
TIn/a0.21000.4710.4711.045
less than 10 years ago3.1262.6286.11811.813
11-20 years ago2.9264.0224.92011.813
21-30 years ago1.6352.0316.91710.613
31-40 years ago2.4292.9275.91811.213
41-50 years ago2.0324.6219.41416.010
over 50 years ago8.5155.02034.3747.85
total20.7921.4968.04110.12
URn/a0.4710.0.0.0.0.471
less than 10 years ago1.8310.4713.3235.516
11-20 years ago0.7491.0440.21001.930
21-30 years ago1.2401.0450.4692.626
31-40 years ago0.0.0.21000.4690.656
41-50 years ago0.4720.0.0.21000.658
over 50 years ago1.5340.6581.2403.322
total6.0153.2235.71514.85
VDn/a0.8500.0.0.0.0.850
less than 10 years ago37.262.6286.31746.05
11-20 years ago16.1101.0452.82619.99
21-30 years ago9.6140.7491.63511.912
31-40 years ago2.8260.7501.0454.521
41-50 years ago1.6350.4711.2413.125
over 50 years ago5.2190.6582.3298.115
total73.336.01715.11094.52
VSn/a0.8500.21000.4711.438
less than 10 years ago6.5174.32111.41322.29
11-20 years ago4.8204.7206.51716.010
21-30 years ago4.0223.3247.91515.211
31-40 years ago2.7272.9268.11513.811
41-50 years ago2.0313.5234.72010.213
over 50 years ago7.9164.82014.41127.28
total28.8723.7853.45105.92
ZGn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.3240.21001.3303.815
11-20 years ago0.4720.0.0.8471.139
21-30 years ago0.0.0.0.0.4670.467
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.9190.21002.4185.57
ZHn/a0.0.0.0.0.0.0.0.
less than 10 years ago36.040.21001.14437.24
11-20 years ago8.8140.21000.0.9.014
21-30 years ago2.6280.0.0.0.2.628
31-40 years ago0.7570.0.0.21000.850
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.0.0.0.0.470
total48.420.4711.24150.01
Switzerlandn/a7.1171.2412.03210.314
less than 10 years ago325.3235.67118.14479.02
11-20 years ago145.3328.5873.35247.03
21-30 years ago50.7613.31245.06109.04
31-40 years ago25.0913.01232.1870.15
41-50 years ago16.31110.81328.4855.46
over 50 years ago58.4616.91183.95159.23
total628.11119.24382.721130.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #865315/331646
NFI2
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a2.1280.0.0.0.2.128
less than 10 years ago33.640.4710.0.33.94
11-20 years ago7.1140.5580.0.7.614
21-30 years ago1.6330.21000.0.1.831
31-40 years ago0.9440.0.0.0.0.944
41-50 years ago0.21000.4710.0.0.558
over 50 years ago0.6570.21000.0.0.750
total46.021.6330.0.47.62
AIn/a0.21000.0.0.3710.557
less than 10 years ago0.5550.3710.8431.627
11-20 years ago0.8430.0.0.8441.629
21-30 years ago0.5580.0.0.4560.939
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.0.0.21000.471
over 50 years ago0.21000.0.0.0.0.2100
total2.3230.3712.5205.09
ARn/a0.4740.0.0.11000.560
less than 10 years ago2.5230.9400.7434.116
11-20 years ago1.3360.6510.3692.226
21-30 years ago0.5670.11000.3690.945
31-40 years ago0.0.0.11000.0.0.1100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4740.0.0.0.0.474
total5.0121.8271.3278.16
BEn/a12.3121.8315.41819.59
less than 10 years ago50.356.31729.1785.73
11-20 years ago18.993.92115.21038.06
21-30 years ago5.3181.6336.61613.511
31-40 years ago2.5271.1413.3236.816
41-50 years ago1.2380.9450.9453.024
over 50 years ago4.3200.3714.8199.513
total94.8315.81065.44176.01
BL/BSn/a0.8490.0.0.0.0.849
less than 10 years ago8.5121.0450.94810.410
11-20 years ago4.9180.21001.3376.415
21-30 years ago0.8510.21000.21001.241
31-40 years ago0.9500.21000.21001.241
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.31000.0.0.0.0.3100
total16.461.6352.52620.53
FRn/a2.9250.0.0.8453.822
less than 10 years ago14.590.7504.81920.07
11-20 years ago5.6170.21003.0248.813
21-30 years ago2.0310.0.2.9224.818
31-40 years ago1.4350.0.0.4721.832
41-50 years ago0.7500.21000.4711.438
over 50 years ago1.2410.0.1.1412.229
total28.351.14113.3942.72
GEn/a0.9470.0.0.0.0.947
less than 10 years ago0.8530.0.0.0.0.853
11-20 years ago0.0.0.0.0.0.0.0.
21-30 years ago0.31000.0.0.0.0.3100
31-40 years ago0.31000.0.0.0.0.3100
41-50 years ago0.8530.0.0.0.0.853
over 50 years ago0.0.0.0.0.0.0.0.
total2.9150.0.0.0.2.915
GLn/a3.8210.4721.5345.717
less than 10 years ago2.5250.5582.8235.815
11-20 years ago1.7300.5571.4353.619
21-30 years ago0.4710.3690.6571.338
31-40 years ago0.4720.4720.7501.435
41-50 years ago0.0.0.0.0.5580.558
over 50 years ago0.7500.3710.7511.731
total9.4122.4258.21120.04
GRn/a26.381.83211.61239.76
less than 10 years ago18.196.81622.9847.95
11-20 years ago12.5115.31813.71131.67
21-30 years ago5.5181.9307.01514.411
31-40 years ago3.9212.2286.31612.411
41-50 years ago2.7260.3715.7178.814
over 50 years ago14.9112.72515.21032.87
total83.9421.2882.53187.51
JUn/a1.3350.3710.7492.426
less than 10 years ago9.5120.7503.52113.89
11-20 years ago7.4140.5572.42610.211
21-30 years ago2.1280.7490.7503.522
31-40 years ago0.9440.21000.4701.435
41-50 years ago0.21000.0.0.5580.750
over 50 years ago0.21000.5570.7501.435
total21.563.0238.81233.32
LUn/a3.4220.0.0.3713.721
less than 10 years ago17.480.21002.62620.17
11-20 years ago9.5120.3711.93011.811
21-30 years ago3.1240.0.1.0414.120
31-40 years ago0.5580.21000.0.0.750
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.4370.21000.5582.030
total35.340.9456.31542.52
NEn/a1.3370.3700.0.1.633
less than 10 years ago16.672.1271.14019.86
11-20 years ago4.5190.11000.0.4.618
21-30 years ago1.3380.0.0.0.1.338
31-40 years ago0.3710.0.0.0.0.371
41-50 years ago0.21000.0.0.21000.472
over 50 years ago0.0.0.3710.0.0.371
total24.242.9221.23728.33
NWn/a0.5580.21000.21000.944
less than 10 years ago1.8310.3682.2284.317
11-20 years ago0.7560.11000.5711.339
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.11000.11000.11000.453
over 50 years ago1.3400.0.0.21001.536
total4.4160.8423.2228.46
OWn/a1.1400.21001.1412.327
less than 10 years ago3.4210.5582.8246.714
11-20 years ago2.0260.4711.2383.620
21-30 years ago0.9450.0.0.9451.831
31-40 years ago0.5570.0.0.8491.337
41-50 years ago0.4710.0.0.6580.944
over 50 years ago1.6330.3691.2373.122
total10.0111.3358.51119.73
SGn/a4.2200.7504.8199.713
less than 10 years ago11.7111.9309.61323.27
11-20 years ago5.5181.6336.41513.510
21-30 years ago0.9450.21003.0244.121
31-40 years ago0.4710.21001.7312.328
41-50 years ago1.0410.0.1.3382.328
over 50 years ago1.9310.21003.1245.118
total25.674.71929.8660.22
SHn/a0.4700.0.0.21000.657
less than 10 years ago7.6100.0.0.0.7.610
11-20 years ago3.4210.21000.0.3.620
21-30 years ago0.0.0.21000.0.0.2100
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.
total11.830.4690.210012.42
SOn/a1.8300.21000.21002.227
less than 10 years ago18.470.6580.37019.36
11-20 years ago6.8150.7510.11007.614
21-30 years ago1.1360.0.0.11001.334
31-40 years ago0.7510.4700.0.1.241
41-50 years ago0.0.0.0.0.21000.2100
over 50 years ago0.5590.21000.0.0.750
total29.432.1291.04132.52
SZn/a2.3270.0.1.5333.921
less than 10 years ago6.4151.3373.32211.010
11-20 years ago2.3280.11003.1235.617
21-30 years ago1.4350.21001.0412.625
31-40 years ago0.9450.5580.9442.327
41-50 years ago0.7500.0.0.8451.533
over 50 years ago1.3350.0.1.1412.426
total15.492.12811.81029.33
TGn/a0.5490.0.0.0.0.549
less than 10 years ago11.380.2701.83013.37
11-20 years ago4.6170.11000.21005.016
21-30 years ago0.7530.0.0.0.0.753
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3730.0.0.0.0.373
total17.340.3572.02819.73
TIn/a14.4114.12019.7938.26
less than 10 years ago2.9253.1246.01712.012
11-20 years ago2.6263.6224.62010.813
21-30 years ago1.5351.8316.2179.413
31-40 years ago2.1292.6275.31810.013
41-50 years ago1.8324.1218.51414.510
over 50 years ago7.6154.52030.9743.05
total32.9723.6881.33137.91
URn/a4.6190.21001.5336.316
less than 10 years ago2.1260.5583.0225.614
11-20 years ago0.6490.8440.21001.630
21-30 years ago1.0400.9440.3692.226
31-40 years ago0.0.0.21000.3710.557
41-50 years ago0.3710.0.0.21000.558
over 50 years ago1.5320.5581.0413.022
total10.1113.1226.61319.85
VDn/a7.3150.3712.52610.213
less than 10 years ago37.062.2286.01645.25
11-20 years ago14.2100.9452.62617.79
21-30 years ago8.4140.6491.43510.412
31-40 years ago2.5260.6500.9454.021
41-50 years ago1.4350.4711.0412.825
over 50 years ago4.6190.5582.0297.115
total75.435.61716.4997.42
VSn/a11.2122.6268.51422.38
less than 10 years ago6.5164.51911.51222.58
11-20 years ago4.2204.2205.81714.210
21-30 years ago3.5222.9247.01513.411
31-40 years ago2.4272.6267.21512.211
41-50 years ago1.8313.1234.1209.013
over 50 years ago6.9164.32012.71124.08
total36.4624.2856.84117.42
ZGn/a0.0.0.0.0.21000.2100
less than 10 years ago2.6200.21001.1313.913
11-20 years ago0.3730.0.0.7471.039
21-30 years ago0.0.0.0.0.3680.368
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total3.1170.21002.4195.76
ZHn/a2.7250.0.0.0.2.725
less than 10 years ago34.740.3710.94435.94
11-20 years ago7.5140.21000.0.7.714
21-30 years ago2.1280.0.0.0.2.128
31-40 years ago0.5570.0.0.21000.750
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3700.0.0.0.0.370
total47.920.5581.04049.41
Switzerlandn/a106.6413.11261.25180.93
less than 10 years ago321.3235.57117.54474.31
11-20 years ago128.8325.1865.45219.43
21-30 years ago44.7611.71239.9696.34
31-40 years ago22.1911.51228.5862.05
41-50 years ago14.2119.51425.3848.96
over 50 years ago52.1615.01175.25142.33
total689.81121.44412.921224.10
© WSL, Swiss National Forest Inventory, 18.06.2020 #865316/331647
NFI2
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a2.1280.0.0.0.2.128
less than 10 years ago33.640.4710.0.33.94
11-20 years ago7.1140.5580.0.7.614
21-30 years ago1.6330.21000.0.1.831
31-40 years ago0.9440.0.0.0.0.944
41-50 years ago0.21000.4710.0.0.558
over 50 years ago0.6570.21000.0.0.750
total46.021.6330.0.47.62
AIn/a0.21000.0.0.3710.557
less than 10 years ago0.5550.3710.8431.627
11-20 years ago0.8430.0.0.8441.629
21-30 years ago0.5580.0.0.4560.939
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.0.0.21000.471
over 50 years ago0.21000.0.0.0.0.2100
total2.3230.3712.5205.09
ARn/a0.4740.0.0.11000.560
less than 10 years ago2.5230.9400.7434.116
11-20 years ago1.3360.6510.3692.226
21-30 years ago0.5670.11000.3690.945
31-40 years ago0.0.0.11000.0.0.1100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4740.0.0.0.0.474
total5.0121.8271.3278.16
BEn/a5.6181.6333.82211.012
less than 10 years ago50.356.31729.1785.73
11-20 years ago18.993.92115.21038.06
21-30 years ago5.3181.6336.61613.511
31-40 years ago2.5271.1413.3236.816
41-50 years ago1.2380.9450.9453.024
over 50 years ago4.3200.3714.7199.314
total88.2315.61063.64167.41
BL/BSn/a0.6570.0.0.0.0.657
less than 10 years ago8.5121.0450.94810.410
11-20 years ago4.9180.21001.3376.415
21-30 years ago0.8510.21000.21001.241
31-40 years ago0.9500.21000.21001.241
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.31000.0.0.0.0.3100
total16.261.6352.52620.23
FRn/a2.0300.0.0.8452.825
less than 10 years ago14.590.7504.81920.07
11-20 years ago5.6170.21003.0248.813
21-30 years ago2.0310.0.2.9224.818
31-40 years ago1.4350.0.0.4721.832
41-50 years ago0.7500.21000.4711.438
over 50 years ago1.2410.0.1.1412.229
total27.451.14113.3941.73
GEn/a0.8530.0.0.0.0.853
less than 10 years ago0.8530.0.0.0.0.853
11-20 years ago0.0.0.0.0.0.0.0.
21-30 years ago0.31000.0.0.0.0.3100
31-40 years ago0.31000.0.0.0.0.3100
41-50 years ago0.8530.0.0.0.0.853
over 50 years ago0.0.0.0.0.0.0.0.
total2.8150.0.0.0.2.815
GLn/a0.5580.4720.3711.237
less than 10 years ago2.5250.5582.8235.815
11-20 years ago1.7300.5571.4353.619
21-30 years ago0.4710.3690.6571.338
31-40 years ago0.4720.4720.7501.435
41-50 years ago0.0.0.0.0.5580.558
over 50 years ago0.7500.3710.7511.731
total6.0152.4257.11315.56
GRn/a6.1171.4357.31514.810
less than 10 years ago18.196.81622.9847.95
11-20 years ago12.5115.31813.71131.67
21-30 years ago5.5181.9307.01514.411
31-40 years ago3.9212.2286.31612.411
41-50 years ago2.7260.3715.7178.814
over 50 years ago14.9112.72515.01032.67
total63.7420.8978.04162.52
JUn/a1.3350.3710.7492.426
less than 10 years ago9.5120.7503.52113.89
11-20 years ago7.4140.5572.42610.211
21-30 years ago2.1280.7490.7503.522
31-40 years ago0.9440.21000.4701.435
41-50 years ago0.21000.0.0.5580.750
over 50 years ago0.21000.5570.7501.435
total21.563.0238.81233.32
LUn/a2.7240.0.0.21002.923
less than 10 years ago17.480.21002.62620.17
11-20 years ago9.5120.3711.93011.811
21-30 years ago3.1240.0.1.0414.120
31-40 years ago0.5580.21000.0.0.750
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.4370.21000.3711.931
total34.640.9456.01641.42
NEn/a1.1410.11000.0.1.238
less than 10 years ago16.672.1271.14019.86
11-20 years ago4.5190.11000.0.4.618
21-30 years ago1.3380.0.0.0.1.338
31-40 years ago0.3710.0.0.0.0.371
41-50 years ago0.21000.0.0.21000.472
over 50 years ago0.0.0.3710.0.0.371
total24.042.8231.23727.93
NWn/a0.4720.21000.0.0.657
less than 10 years ago1.8310.3682.2284.317
11-20 years ago0.7560.11000.5711.339
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.11000.11000.11000.453
over 50 years ago1.3400.0.0.21001.536
total4.3170.8423.0238.17
OWn/a1.1400.21000.9452.228
less than 10 years ago3.4210.5582.6256.514
11-20 years ago2.0260.4711.2383.620
21-30 years ago0.9450.0.0.9451.831
31-40 years ago0.5570.0.0.8491.337
41-50 years ago0.4710.0.0.6580.944
over 50 years ago1.6330.3691.2373.122
total10.0111.3358.21119.43
SGn/a1.5330.5572.0294.120
less than 10 years ago11.7111.9309.61323.27
11-20 years ago5.5181.6336.41513.510
21-30 years ago0.9450.21003.0244.121
31-40 years ago0.4710.21001.7312.328
41-50 years ago1.0410.0.1.3382.328
over 50 years ago1.9310.21003.1245.118
total22.984.51927.1654.63
SHn/a0.4700.0.0.21000.657
less than 10 years ago7.6100.0.0.0.7.610
11-20 years ago3.4210.21000.0.3.620
21-30 years ago0.0.0.21000.0.0.2100
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.
total11.830.4690.210012.42
SOn/a1.8300.21000.21002.227
less than 10 years ago18.470.6580.37019.36
11-20 years ago6.8150.7510.11007.614
21-30 years ago1.1360.0.0.11001.334
31-40 years ago0.7510.4700.0.1.241
41-50 years ago0.0.0.0.0.21000.2100
over 50 years ago0.5590.21000.0.0.750
total29.432.1291.04132.52
SZn/a1.4350.0.1.2372.625
less than 10 years ago6.4151.3373.32211.010
11-20 years ago2.3280.11003.1235.617
21-30 years ago1.4350.21001.0412.625
31-40 years ago0.9450.5580.9442.327
41-50 years ago0.7500.0.0.8451.533
over 50 years ago1.3350.0.1.1412.426
total14.592.12811.41028.04
TGn/a0.5490.0.0.0.0.549
less than 10 years ago11.380.2701.83013.37
11-20 years ago4.6170.11000.21005.016
21-30 years ago0.7530.0.0.0.0.753
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3730.0.0.0.0.373
total17.340.3572.02819.73
TIn/a2.4262.5265.31810.313
less than 10 years ago2.9253.1246.01712.012
11-20 years ago2.6263.6224.62010.813
21-30 years ago1.5351.8316.2179.413
31-40 years ago2.1292.6275.31810.013
41-50 years ago1.8324.1218.41414.311
over 50 years ago7.6154.52030.7742.85
total21.0922.1866.54109.62
URn/a1.4350.21000.5562.028
less than 10 years ago2.1260.5583.0225.614
11-20 years ago0.6490.8440.21001.630
21-30 years ago1.0400.9440.3692.226
31-40 years ago0.0.0.21000.3710.557
41-50 years ago0.3710.0.0.21000.558
over 50 years ago1.3340.5581.0412.823
total6.8133.1225.51415.45
VDn/a4.8190.3712.0297.215
less than 10 years ago36.862.2286.01645.05
11-20 years ago14.2100.9452.62617.79
21-30 years ago8.4140.6491.43510.412
31-40 years ago2.5260.6500.9454.021
41-50 years ago1.4350.4711.0412.825
over 50 years ago4.6190.5582.0297.115
total72.835.61715.9994.22
VSn/a3.7222.1295.71711.512
less than 10 years ago6.5164.51911.31222.38
11-20 years ago4.2204.2205.81714.210
21-30 years ago3.5222.9247.01513.411
31-40 years ago2.4272.6267.21512.211
41-50 years ago1.8313.1234.1209.013
over 50 years ago6.9164.32012.71124.08
total29.0723.7853.84106.52
ZGn/a0.0.0.0.0.21000.2100
less than 10 years ago2.6200.21001.1313.913
11-20 years ago0.3730.0.0.7471.039
21-30 years ago0.0.0.0.0.3680.368
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total3.1170.21002.4195.76
ZHn/a2.7250.0.0.0.2.725
less than 10 years ago34.740.3710.94435.94
11-20 years ago7.5140.21000.0.7.714
21-30 years ago2.1280.0.0.0.2.128
31-40 years ago0.5570.0.0.21000.750
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3700.0.0.0.0.370
total47.920.5581.04049.41
Switzerlandn/a45.5610.11331.6787.24
less than 10 years ago321.1235.57117.24473.81
11-20 years ago128.8325.1865.45219.43
21-30 years ago44.7611.71239.9696.34
31-40 years ago22.1911.51228.5862.05
41-50 years ago14.2119.51425.1848.86
over 50 years ago51.9615.01174.55141.43
total628.41118.44382.121128.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #865317/331648
NFI2
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.0.0.2100
less than 10 years ago34.640.4710.0.35.04
11-20 years ago7.8140.6580.0.8.414
21-30 years ago1.8330.21000.0.2.031
31-40 years ago1.0440.0.0.0.1.044
41-50 years ago0.21000.4710.0.0.658
over 50 years ago0.6570.21000.0.0.850
total46.321.8330.0.48.12
AIn/a0.0.0.0.0.0.0.0.
less than 10 years ago0.4680.4720.7491.531
11-20 years ago0.9420.0.1.0431.927
21-30 years ago0.6580.0.0.5571.139
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.0.0.21000.471
over 50 years ago0.21000.0.0.0.0.2100
total2.3250.4722.4225.19
ARn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.9220.6580.7494.117
11-20 years ago1.5350.7500.3692.525
21-30 years ago0.5670.21000.3691.044
31-40 years ago0.0.0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4730.0.0.0.0.473
total5.3131.6321.3318.16
BEn/a7.1170.4711.6359.115
less than 10 years ago50.456.71730.1887.24
11-20 years ago21.394.42117.11042.86
21-30 years ago6.0181.8337.41615.211
31-40 years ago2.7271.2413.6237.616
41-50 years ago1.4381.0451.0453.424
over 50 years ago4.8200.4705.41910.613
total93.8315.81166.44176.01
BL/BSn/a0.21000.0.0.0.0.2100
less than 10 years ago8.2131.1450.5709.911
11-20 years ago5.5170.21001.5377.114
21-30 years ago0.9510.21000.21001.341
31-40 years ago0.9500.21000.21001.341
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.31000.0.0.0.0.3100
total16.361.8352.32820.43
FRn/a1.0450.0.0.0.1.045
less than 10 years ago14.7100.8504.91920.38
11-20 years ago6.3170.21003.3239.813
21-30 years ago2.2310.0.3.2215.418
31-40 years ago1.6350.0.0.4722.032
41-50 years ago0.8500.31000.4711.538
over 50 years ago1.3410.0.1.2412.529
total28.051.24113.41042.52
GEn/a0.6750.0.0.0.0.675
less than 10 years ago1.2500.0.0.0.1.250
11-20 years ago0.0.0.0.0.0.0.0.
21-30 years ago0.41000.0.0.0.0.4100
31-40 years ago0.41000.0.0.0.0.4100
41-50 years ago1.2500.0.0.0.1.250
over 50 years ago0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLn/a3.7220.0.1.3395.019
less than 10 years ago2.0310.6582.6255.217
11-20 years ago1.9290.5571.6344.019
21-30 years ago0.4710.4690.6571.437
31-40 years ago0.4710.4710.8501.634
41-50 years ago0.0.0.0.0.6570.657
over 50 years ago0.8500.4710.8501.931
total9.2132.3278.21219.75
GRn/a21.2100.8505.31927.38
less than 10 years ago18.5106.81722.3947.66
11-20 years ago14.0116.11815.51135.67
21-30 years ago6.2182.2308.01516.311
31-40 years ago4.3212.5287.11614.011
41-50 years ago3.1260.4716.51710.014
over 50 years ago16.7103.12517.21037.17
total84.1421.9981.94187.81
JUn/a0.4710.0.0.0.0.471
less than 10 years ago9.8120.8503.52314.110
11-20 years ago8.2140.6572.72511.511
21-30 years ago2.3280.8490.8503.921
31-40 years ago1.0440.21000.4701.635
41-50 years ago0.21000.0.0.6580.850
over 50 years ago0.21000.6570.8501.635
total22.162.9258.71333.73
LUn/a1.0450.0.0.21001.241
less than 10 years ago17.280.21002.92620.27
11-20 years ago10.6120.4712.22913.210
21-30 years ago3.4240.0.1.1404.620
31-40 years ago0.6570.21000.0.0.850
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.5370.21000.6582.330
total34.341.0457.01542.42
NEn/a0.21000.21000.0.0.371
less than 10 years ago16.972.4271.04420.26
11-20 years ago5.1190.21000.0.5.218
21-30 years ago1.4380.0.0.0.1.438
31-40 years ago0.4710.0.0.0.0.471
41-50 years ago0.31000.0.0.21000.572
over 50 years ago0.0.0.4720.0.0.472
total24.253.1231.24128.43
NWn/a0.21000.0.0.0.0.2100
less than 10 years ago1.8330.21002.2304.219
11-20 years ago0.8560.21000.5711.539
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.21000.21000.552
over 50 years ago1.4390.0.0.31001.736
total4.4170.5523.2238.17
OWn/a0.21000.0.0.21000.470
less than 10 years ago3.6220.5582.9257.014
11-20 years ago2.3270.4711.4384.119
21-30 years ago1.0450.0.1.0452.031
31-40 years ago0.6570.0.0.9491.537
41-50 years ago0.4710.0.0.7571.144
over 50 years ago1.8330.3691.4373.422
total9.9111.2378.41219.54
SGn/a3.2250.21003.1256.617
less than 10 years ago11.6121.9329.11422.68
11-20 years ago6.1171.9337.21515.210
21-30 years ago1.0450.21003.5244.721
31-40 years ago0.4710.21002.0312.728
41-50 years ago1.1410.0.1.4382.627
over 50 years ago2.2310.21003.5245.918
total25.784.72029.9660.33
SHn/a0.0.0.0.0.0.0.0.
less than 10 years ago7.7110.0.0.0.7.711
11-20 years ago3.8200.21000.0.4.019
21-30 years ago0.0.0.21000.0.0.2100
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.0.0.0.0.0.0.0.
total11.940.4690.0.12.33
SOn/a0.0.0.0.0.0.0.0.
less than 10 years ago18.970.6580.46919.97
11-20 years ago7.7140.8510.21008.713
21-30 years ago1.2360.0.0.21001.433
31-40 years ago0.8510.5700.0.1.341
41-50 years ago0.0.0.0.0.21000.2100
over 50 years ago0.6590.21000.0.0.850
total29.332.1310.94532.32
SZn/a0.8500.0.0.4711.340
less than 10 years ago6.8151.2403.32311.211
11-20 years ago2.6270.21003.5236.217
21-30 years ago1.6350.21001.1412.925
31-40 years ago1.0450.6581.0442.627
41-50 years ago0.8500.0.1.0451.833
over 50 years ago1.5350.0.1.2412.726
total15.192.22911.41128.73
TGn/a0.11000.0.0.0.0.1100
less than 10 years ago11.390.3701.83113.47
11-20 years ago5.0170.11000.21005.316
21-30 years ago0.7520.0.0.0.0.752
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.3720.0.0.0.0.372
total17.550.4572.02919.93
TIn/a12.3121.93115.31129.58
less than 10 years ago3.1262.6286.11811.813
11-20 years ago2.9264.0224.92011.813
21-30 years ago1.6352.0316.91710.613
31-40 years ago2.4292.9275.91811.213
41-50 years ago2.0324.6219.61416.210
over 50 years ago8.5155.02034.5748.05
total32.8722.9983.23139.02
URn/a3.4240.0.1.2414.620
less than 10 years ago1.8310.4713.3235.516
11-20 years ago0.7491.0440.21001.930
21-30 years ago1.2401.0450.4692.626
31-40 years ago0.0.0.21000.4690.656
41-50 years ago0.4720.0.0.21000.658
over 50 years ago1.6320.6581.2403.522
total9.2123.2236.81419.25
VDn/a3.4240.0.0.6584.022
less than 10 years ago37.462.6286.31746.25
11-20 years ago16.1101.0452.82619.99
21-30 years ago9.6140.7491.63511.912
31-40 years ago2.8260.7501.0454.521
41-50 years ago1.6350.4711.2413.125
over 50 years ago5.2190.6582.3298.115
total76.136.01715.71097.92
VSn/a8.3150.7503.62312.612
less than 10 years ago6.5174.32111.61322.49
11-20 years ago4.8204.7206.51716.010
21-30 years ago4.0223.3247.91515.211
31-40 years ago2.7272.9268.11513.811
41-50 years ago2.0313.5234.72010.213
over 50 years ago7.9164.82014.41127.28
total36.2724.3856.84117.32
ZGn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.3240.21001.3303.815
11-20 years ago0.4720.0.0.8471.139
21-30 years ago0.0.0.0.0.4670.467
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.9190.21002.4185.57
ZHn/a0.0.0.0.0.0.0.0.
less than 10 years ago36.040.21001.14437.24
11-20 years ago8.8140.21000.0.9.014
21-30 years ago2.6280.0.0.0.2.628
31-40 years ago0.7570.0.0.21000.850
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.0.0.0.0.470
total48.420.4711.24150.01
Switzerlandn/a67.554.32132.78104.54
less than 10 years ago325.6235.67118.44479.62
11-20 years ago145.3328.5873.35247.03
21-30 years ago50.7613.31245.06109.04
31-40 years ago25.0913.01232.1870.15
41-50 years ago16.31110.81328.6855.66
over 50 years ago58.6616.91184.74160.13
total688.81122.34414.821226.00
© WSL, Swiss National Forest Inventory, 18.06.2020 #865318/331649
NFI3
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago36.341.2410.0.37.54
11-20 years ago4.8190.0.0.0.4.819
21-30 years ago1.8320.0.0.0.1.832
31-40 years ago1.2400.21000.0.1.437
41-50 years ago0.6580.0.0.0.0.658
over 50 years ago0.21000.4700.0.0.658
total44.921.8330.0.46.72
AIless than 10 years ago0.9430.0.1.2362.126
11-20 years ago0.21000.4720.3670.942
21-30 years ago0.8450.0.0.21001.041
31-40 years ago0.21000.0.0.5570.749
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.21000.471
total2.3250.4722.4225.19
ARless than 10 years ago2.5251.0440.6464.017
11-20 years ago1.4340.0.0.7492.127
21-30 years ago1.1410.5550.0.1.633
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.31000.0.0.0.0.3100
total5.3131.6321.3318.16
BEless than 10 years ago52.457.91629.9890.13
11-20 years ago12.4122.52912.41227.28
21-30 years ago8.4152.4296.91717.710
31-40 years ago4.1220.6584.8209.414
41-50 years ago0.8501.0453.4245.219
over 50 years ago5.4191.2414.82011.413
total83.5415.51162.15161.11
BL/BSless than 10 years ago8.9120.9511.14410.910
11-20 years ago3.0250.4710.0.3.423
21-30 years ago2.1300.21000.8503.124
31-40 years ago0.4710.21000.0.0.757
41-50 years ago0.8570.0.0.21000.950
over 50 years ago0.5710.0.0.0.0.571
total15.761.8352.13019.64
FRless than 10 years ago17.980.5575.91724.46
11-20 years ago3.5230.4711.3375.218
21-30 years ago1.4380.0.1.9313.324
31-40 years ago0.4730.0.1.8312.228
41-50 years ago0.9500.0.1.0401.931
over 50 years ago1.8330.31000.6582.827
total25.951.24112.61039.73
GEless than 10 years ago2.0320.0.0.0.2.032
11-20 years ago0.8660.0.0.0.0.866
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.41000.0.0.0.0.4100
total3.1130.0.0.0.3.113
GLless than 10 years ago1.9311.0442.3275.317
11-20 years ago0.8500.4700.9442.129
21-30 years ago0.9420.21001.2402.326
31-40 years ago0.6580.4690.21001.240
41-50 years ago0.4710.0.0.9451.337
over 50 years ago0.21000.4710.9451.535
total4.9182.3276.61413.87
GRless than 10 years ago16.8105.91816.61039.36
11-20 years ago9.3144.62115.11129.08
21-30 years ago7.4162.5288.81518.810
31-40 years ago3.6232.4295.21911.113
41-50 years ago1.9320.8503.7236.417
over 50 years ago15.2113.52321.2939.96
total54.2519.7970.64144.52
JUless than 10 years ago12.6101.4374.32018.37
11-20 years ago3.1240.4711.1404.719
21-30 years ago4.1210.4711.7326.216
31-40 years ago1.2410.4700.6572.129
41-50 years ago0.4700.0.0.21000.657
over 50 years ago0.0.0.4710.6580.944
total21.362.9258.51332.83
LUless than 10 years ago18.880.4713.12522.27
11-20 years ago5.6180.0.1.4376.916
21-30 years ago4.0210.21001.2415.518
31-40 years ago2.1310.0.0.6582.727
41-50 years ago0.4710.21000.0.0.658
over 50 years ago1.1440.21000.21001.537
total31.941.0456.41639.43
NEless than 10 years ago17.372.0290.65819.96
11-20 years ago3.3240.6590.4704.220
21-30 years ago2.5290.0.0.0.2.529
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.31000.21000.21000.660
total23.452.7251.24127.33
NWless than 10 years ago0.7590.4671.6362.726
11-20 years ago1.9340.0.0.9502.726
21-30 years ago0.31000.0.0.31000.567
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.7590.21000.4721.339
total3.5210.5523.2237.29
OWless than 10 years ago4.3200.5594.3199.211
11-20 years ago0.9450.4690.6561.930
21-30 years ago1.0410.0.0.0.1.041
31-40 years ago0.9500.0.0.5601.438
41-50 years ago0.4700.0.0.5710.949
over 50 years ago1.6350.3691.9333.722
total9.1121.2377.81218.14
SGless than 10 years ago12.0122.52910.01324.57
11-20 years ago3.4240.8505.5189.613
21-30 years ago1.4380.8502.6264.819
31-40 years ago0.6580.21002.3303.126
41-50 years ago0.4710.21000.9501.538
over 50 years ago2.3300.0.2.9265.319
total20.194.52124.2748.84
SHless than 10 years ago7.4110.4690.0.7.810
11-20 years ago3.0220.0.0.0.3.022
21-30 years ago1.0440.0.0.0.1.044
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.21000.0.0.0.0.2100
total11.940.4690.0.12.33
SOless than 10 years ago17.371.1450.55718.87
11-20 years ago6.2160.0.0.0.6.216
21-30 years ago3.4240.4720.0.3.823
31-40 years ago0.7580.0.0.21000.851
41-50 years ago0.6590.5700.0.1.145
over 50 years ago0.4720.21000.21000.851
total28.532.1310.94531.62
SZless than 10 years ago5.9170.21005.51811.611
11-20 years ago1.6351.2401.0453.822
21-30 years ago1.4380.0.1.6353.025
31-40 years ago1.2400.21000.6582.031
41-50 years ago1.0450.21000.5581.833
over 50 years ago2.3280.0.1.0453.323
total13.5101.83210.21225.54
TGless than 10 years ago13.270.3701.04114.46
11-20 years ago2.2270.11000.8503.222
21-30 years ago1.8310.0.0.21002.029
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total17.250.4572.02919.63
TIless than 10 years ago4.0223.4245.41912.812
11-20 years ago1.5381.4383.8236.717
21-30 years ago1.4382.4293.0266.817
31-40 years ago0.8501.5384.5216.717
41-50 years ago1.4381.4386.3179.214
over 50 years ago7.3169.41441.1657.84
total16.31019.5964.1499.92
URless than 10 years ago2.1291.2401.9305.317
11-20 years ago0.6570.21001.7322.626
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.5570.8490.4711.732
41-50 years ago0.4710.21000.21000.849
over 50 years ago1.2400.21001.2402.626
total4.8182.6265.51612.96
VDless than 10 years ago37.062.4295.81845.25
11-20 years ago13.4111.0453.82318.210
21-30 years ago6.2170.21001.9328.315
31-40 years ago4.7200.4701.0446.117
41-50 years ago2.0310.4710.4712.827
over 50 years ago4.2211.0452.0317.116
total67.535.31914.91187.72
VSless than 10 years ago6.4175.7189.81421.99
11-20 years ago2.7272.5277.51612.712
21-30 years ago2.4292.5283.7238.615
31-40 years ago1.2411.6354.6207.416
41-50 years ago2.2302.9266.41711.512
over 50 years ago9.6147.41620.0936.96
total24.5822.5852.0599.02
ZGless than 10 years ago2.0260.21001.9254.113
11-20 years ago0.4710.0.0.21000.657
21-30 years ago0.21000.0.0.21000.471
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total2.9190.21002.2205.48
ZHless than 10 years ago34.840.21001.14436.04
11-20 years ago7.6150.0.0.0.7.615
21-30 years ago3.1250.21000.0.3.424
31-40 years ago1.2410.0.0.0.1.241
41-50 years ago0.4700.0.0.21000.658
over 50 years ago0.0.0.0.0.0.0.0.
total47.120.4711.24148.82
Switzerlandless than 10 years ago335.1240.57114.64490.11
11-20 years ago93.7417.21159.36170.13
21-30 years ago58.4612.91236.37107.54
31-40 years ago25.698.71527.7862.06
41-50 years ago15.3127.91624.8948.06
over 50 years ago55.5625.1999.54180.13
total583.41112.24362.221057.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #865319/331650
NFI3
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago37.141.2410.0.38.34
11-20 years ago4.8190.0.0.0.4.819
21-30 years ago1.8320.0.0.0.1.832
31-40 years ago1.2400.21000.0.1.437
41-50 years ago0.6580.0.0.0.0.658
over 50 years ago0.21000.4700.0.0.658
total45.721.8330.0.47.52
AIless than 10 years ago0.9430.0.1.2362.126
11-20 years ago0.21000.4720.3670.942
21-30 years ago0.8450.0.0.21001.041
31-40 years ago0.21000.0.0.5570.749
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.0.0.21000.657
total2.5240.4722.4225.310
ARless than 10 years ago2.5251.0440.6464.017
11-20 years ago1.4340.0.0.7492.127
21-30 years ago1.1410.5550.0.1.633
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.31000.0.0.0.0.3100
total5.3131.6321.3318.16
BEless than 10 years ago53.458.01630.2891.73
11-20 years ago13.2122.52913.21228.98
21-30 years ago8.6152.4296.91717.910
31-40 years ago4.5210.6584.8209.814
41-50 years ago1.2411.0453.6235.818
over 50 years ago8.4151.2415.31914.911
total89.3415.71163.95168.91
BL/BSless than 10 years ago9.4120.9511.44011.610
11-20 years ago3.2250.4710.0.3.623
21-30 years ago2.1300.21000.8503.124
31-40 years ago0.4710.21000.0.0.757
41-50 years ago0.8570.0.0.21000.950
over 50 years ago0.5710.0.0.0.0.571
total16.361.8352.32820.43
FRless than 10 years ago18.180.5575.91724.66
11-20 years ago4.1210.4711.3375.817
21-30 years ago1.6350.0.2.1303.722
31-40 years ago0.4730.0.1.8312.228
41-50 years ago0.9500.0.1.0401.931
over 50 years ago1.8330.31001.0453.125
total27.051.24113.21041.43
GEless than 10 years ago2.3250.0.0.0.2.325
11-20 years ago1.0570.0.0.0.1.057
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.41000.0.0.0.0.4100
total3.750.0.0.0.3.75
GLless than 10 years ago1.9311.0442.3275.317
11-20 years ago1.2400.4701.1402.625
21-30 years ago0.9420.21001.2402.326
31-40 years ago0.6580.4690.21001.240
41-50 years ago0.4710.0.0.9451.337
over 50 years ago1.0440.4711.1402.527
total6.0162.3277.01415.26
GRless than 10 years ago19.0106.71717.71043.56
11-20 years ago11.7135.21915.71132.77
21-30 years ago10.6132.52811.41324.68
31-40 years ago5.6192.4295.21913.212
41-50 years ago2.7270.8504.1227.616
over 50 years ago20.0103.92226.0850.06
total69.8521.5980.24171.52
JUless than 10 years ago12.9101.4374.32018.67
11-20 years ago3.1240.4711.1404.719
21-30 years ago4.1210.4711.7326.216
31-40 years ago1.2410.4700.6572.129
41-50 years ago0.4700.0.0.21000.657
over 50 years ago0.21000.4710.6581.241
total21.962.9258.51333.43
LUless than 10 years ago19.080.4713.12522.57
11-20 years ago5.6180.0.1.4376.916
21-30 years ago4.0210.21001.2415.518
31-40 years ago2.3300.0.0.6582.826
41-50 years ago0.4710.21000.0.0.658
over 50 years ago1.5370.21000.4712.131
total32.841.0456.61640.42
NEless than 10 years ago17.572.0290.65820.16
11-20 years ago3.7220.6590.4704.619
21-30 years ago2.5290.0.0.0.2.529
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.31000.21000.21000.660
total24.152.7251.24128.03
NWless than 10 years ago0.7590.4671.9332.924
11-20 years ago1.9340.0.0.9502.726
21-30 years ago0.5710.0.0.31000.856
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.2440.21000.4721.834
total4.3180.5523.5228.27
OWless than 10 years ago4.7190.5594.5199.711
11-20 years ago0.9450.4690.6561.930
21-30 years ago1.0410.0.0.0.1.041
31-40 years ago0.9500.0.0.5601.438
41-50 years ago0.6570.0.0.5711.144
over 50 years ago1.8330.3691.9333.921
total9.9111.2378.01219.04
SGless than 10 years ago12.8112.52910.21325.57
11-20 years ago3.4240.8505.81710.013
21-30 years ago2.1320.8502.9255.718
31-40 years ago0.8500.21002.6293.524
41-50 years ago0.4710.21000.9501.538
over 50 years ago2.9260.0.4.1227.017
total22.484.52126.4753.33
SHless than 10 years ago7.4110.4690.0.7.810
11-20 years ago3.0220.0.0.0.3.022
21-30 years ago1.0440.0.0.0.1.044
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.21000.0.0.0.0.2100
total11.940.4690.0.12.33
SOless than 10 years ago17.471.1450.55719.07
11-20 years ago6.2160.0.0.0.6.216
21-30 years ago3.6230.4720.0.4.022
31-40 years ago0.9500.0.0.21001.045
41-50 years ago0.6590.5700.0.1.145
over 50 years ago0.4720.21000.21000.851
total29.032.1310.94532.12
SZless than 10 years ago6.1170.21006.11612.410
11-20 years ago2.6271.2401.0454.819
21-30 years ago1.4380.0.1.6353.025
31-40 years ago1.2400.21000.6582.031
41-50 years ago1.0450.21001.0452.230
over 50 years ago2.9250.0.1.2414.121
total15.391.83211.41128.54
TGless than 10 years ago13.770.3701.04114.96
11-20 years ago2.2270.11000.8503.222
21-30 years ago1.8310.0.0.21002.029
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.0.0.
total17.740.4572.02920.12
TIless than 10 years ago4.0224.2226.21814.411
11-20 years ago3.2251.6355.41910.114
21-30 years ago3.7232.4295.71911.813
31-40 years ago2.0321.7355.6199.214
41-50 years ago1.8331.4387.11610.313
over 50 years ago11.01310.81343.7665.44
total25.6822.0973.74121.32
URless than 10 years ago2.6251.4371.9306.015
11-20 years ago0.8490.21001.7322.825
21-30 years ago0.4710.0.0.0.0.471
31-40 years ago0.5571.3370.4712.227
41-50 years ago0.4710.4690.21001.043
over 50 years ago2.0310.21001.2403.523
total6.8153.5225.51615.86
VDless than 10 years ago39.162.4295.81847.25
11-20 years ago15.4111.4383.82320.69
21-30 years ago7.4160.21002.1309.713
31-40 years ago5.5180.4701.0446.916
41-50 years ago2.4290.4710.4713.225
over 50 years ago5.0201.0452.0318.015
total74.735.71815.11195.62
VSless than 10 years ago8.4155.71810.21324.48
11-20 years ago3.3242.5278.11513.911
21-30 years ago5.1202.9265.11913.112
31-40 years ago2.6281.6355.2199.414
41-50 years ago3.3253.1256.41712.812
over 50 years ago11.6137.51521.2940.36
total34.3723.3856.24113.82
ZGless than 10 years ago2.0260.21001.9254.113
11-20 years ago0.6560.0.0.21000.848
21-30 years ago0.4720.0.0.21000.659
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total3.3170.21002.2205.76
ZHless than 10 years ago35.240.21001.14436.54
11-20 years ago7.7150.0.0.0.7.715
21-30 years ago3.1250.21000.0.3.424
31-40 years ago1.2410.0.0.0.1.241
41-50 years ago0.4700.0.0.21000.658
over 50 years ago0.0.0.0.0.0.0.0.
total47.820.4711.24149.42
Switzerlandless than 10 years ago348.1242.57118.84509.31
11-20 years ago104.6418.41063.45186.43
21-30 years ago69.8513.31243.77126.74
31-40 years ago32.289.41429.7871.35
41-50 years ago18.5108.41526.6853.46
over 50 years ago74.2527.08110.74211.93
total647.41118.84392.921159.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #865320/331651
NFI3
forest area
landslide/mudflow SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago37.341.2410.0.38.54
11-20 years ago4.8190.0.0.0.4.819
21-30 years ago1.8320.0.0.0.1.832
31-40 years ago1.2400.21000.0.1.437
41-50 years ago0.6580.0.0.0.0.658
over 50 years ago0.21000.4700.0.0.658
total45.921.8330.0.47.72
AIless than 10 years ago0.9430.0.1.2362.126
11-20 years ago0.21000.4720.3670.942
21-30 years ago0.8450.0.0.21001.041
31-40 years ago0.21000.0.0.5570.749
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.0.0.21000.657
total2.5240.4722.4225.310
ARless than 10 years ago2.5251.0440.6464.017
11-20 years ago1.4340.0.0.7492.127
21-30 years ago1.1410.5550.0.1.633
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago0.31000.0.0.0.0.3100
total5.3131.6321.3318.16
BEless than 10 years ago54.058.01631.2793.33
11-20 years ago13.6122.52913.21229.38
21-30 years ago8.6152.4296.91717.910
31-40 years ago4.7200.6585.02010.213
41-50 years ago1.2411.0453.8236.018
over 50 years ago9.0151.2415.51915.711
total91.1415.71165.54172.31
BL/BSless than 10 years ago9.4120.9511.44011.610
11-20 years ago3.2250.4710.0.3.623
21-30 years ago2.1300.21000.8503.124
31-40 years ago0.4710.21000.0.0.757
41-50 years ago0.8570.0.0.21000.950
over 50 years ago0.5710.0.0.0.0.571
total16.361.8352.32820.43
FRless than 10 years ago18.180.5575.91724.66
11-20 years ago4.1210.4711.3375.817
21-30 years ago1.6350.0.2.1303.722
31-40 years ago0.4730.0.2.0292.427
41-50 years ago0.9500.0.1.0401.931
over 50 years ago2.0310.31001.0453.324
total27.251.24113.41041.72
GEless than 10 years ago2.3250.0.0.0.2.325
11-20 years ago1.0570.0.0.0.1.057
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.41000.0.0.0.0.4100
total3.750.0.0.0.3.75
GLless than 10 years ago1.9311.0442.3275.317
11-20 years ago1.4370.4701.1402.924
21-30 years ago0.9420.21001.2402.326
31-40 years ago0.6580.4690.21001.240
41-50 years ago0.4710.0.0.9451.337
over 50 years ago1.0440.4711.1402.527
total6.2162.3277.01415.46
GRless than 10 years ago19.2106.91717.91044.16
11-20 years ago11.9135.21915.71132.97
21-30 years ago10.8132.92611.61325.48
31-40 years ago6.0182.4295.21913.612
41-50 years ago2.9260.8504.1227.816
over 50 years ago21.494.12226.6852.15
total72.4422.3981.14175.82
JUless than 10 years ago13.1101.4374.32018.87
11-20 years ago3.1240.4711.1404.719
21-30 years ago4.1210.4711.7326.216
31-40 years ago1.2410.4700.6572.129
41-50 years ago0.4700.0.0.21000.657
over 50 years ago0.21000.4710.6581.241
total22.162.9258.51333.52
LUless than 10 years ago19.680.4713.12523.07
11-20 years ago5.8180.0.1.4377.115
21-30 years ago4.0210.21001.2415.518
31-40 years ago2.3300.0.0.6582.826
41-50 years ago0.4710.21000.0.0.658
over 50 years ago1.5370.21000.4712.131
total33.541.0456.61641.22
NEless than 10 years ago17.772.2280.65820.56
11-20 years ago3.7220.6590.4704.619
21-30 years ago2.7280.0.0.0.2.728
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.31000.21000.21000.660
total24.552.9241.24128.63
NWless than 10 years ago0.7590.4671.9332.924
11-20 years ago1.9340.0.0.9502.726
21-30 years ago0.5710.0.0.31000.856
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.2440.21000.4721.834
total4.3180.5523.5228.27
OWless than 10 years ago4.7190.5594.5199.711
11-20 years ago0.9450.4690.6561.930
21-30 years ago1.0410.0.0.0.1.041
31-40 years ago0.9500.0.0.5601.438
41-50 years ago0.6570.0.0.5711.144
over 50 years ago1.8330.3691.9333.921
total9.9111.2378.01219.04
SGless than 10 years ago13.2112.52910.61326.37
11-20 years ago3.4240.8506.31710.513
21-30 years ago2.1320.8502.9255.718
31-40 years ago0.8500.21002.6293.524
41-50 years ago0.4710.21000.9501.538
over 50 years ago2.9260.0.4.4217.416
total22.884.52127.6754.83
SHless than 10 years ago7.4110.4690.0.7.810
11-20 years ago3.0220.0.0.0.3.022
21-30 years ago1.0440.0.0.0.1.044
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.21000.0.0.0.0.2100
total11.940.4690.0.12.33
SOless than 10 years ago17.671.1450.55719.27
11-20 years ago6.2160.0.0.21006.416
21-30 years ago3.6230.4720.0.4.022
31-40 years ago0.9500.0.0.21001.045
41-50 years ago0.6590.5700.0.1.145
over 50 years ago0.4720.21000.21000.851
total29.232.1311.14132.52
SZless than 10 years ago6.3160.21006.11612.610
11-20 years ago2.6271.2401.0454.819
21-30 years ago1.4380.0.1.6353.025
31-40 years ago1.2400.21000.6582.031
41-50 years ago1.0450.21001.0452.230
over 50 years ago3.2240.0.1.2414.320
total15.791.83211.41129.04
TGless than 10 years ago13.770.3701.04114.96
11-20 years ago2.4260.11000.8503.321
21-30 years ago1.8310.0.0.21002.029
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total18.140.4572.02920.53
TIless than 10 years ago4.1224.2226.21814.611
11-20 years ago3.4241.6355.41910.314
21-30 years ago3.7232.4296.11812.212
31-40 years ago2.0321.7355.6199.214
41-50 years ago1.8331.4387.11610.313
over 50 years ago11.11310.91344.7566.84
total26.2822.2975.14123.42
URless than 10 years ago3.0231.4371.9306.415
11-20 years ago0.8490.21001.7322.825
21-30 years ago0.4710.0.0.0.0.471
31-40 years ago0.5571.3370.4712.227
41-50 years ago0.4710.4690.21001.043
over 50 years ago2.0310.21001.2403.523
total7.3143.5225.51616.35
VDless than 10 years ago39.362.4296.01747.65
11-20 years ago16.2101.4383.82321.49
21-30 years ago7.8150.21002.13010.113
31-40 years ago5.5180.4701.0446.916
41-50 years ago2.4290.6580.4713.424
over 50 years ago5.6181.0452.0318.615
total76.835.91815.31097.92
VSless than 10 years ago8.4155.71810.21324.48
11-20 years ago3.3242.5278.11513.911
21-30 years ago5.1202.9265.11913.112
31-40 years ago3.0261.6355.2199.814
41-50 years ago3.5243.1256.41713.012
over 50 years ago12.0137.51521.2940.76
total35.3723.3856.24114.82
ZGless than 10 years ago2.0260.21001.9254.113
11-20 years ago0.6560.0.0.21000.848
21-30 years ago0.4720.0.0.4670.750
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total3.3170.21002.4185.95
ZHless than 10 years ago35.240.21001.14436.54
11-20 years ago7.7150.0.0.0.7.715
21-30 years ago3.1250.21000.0.3.424
31-40 years ago1.2410.0.0.0.1.241
41-50 years ago0.4700.0.0.21000.658
over 50 years ago0.0.0.0.0.0.0.0.
total47.820.4711.24149.42
Switzerlandless than 10 years ago351.6242.97120.54515.01
11-20 years ago106.8418.41064.15189.23
21-30 years ago70.6513.61244.47128.74
31-40 years ago33.289.41430.1872.75
41-50 years ago18.9108.51526.8854.26
over 50 years ago78.0527.48112.84218.23
total659.11120.24398.721178.01
© WSL, Swiss National Forest Inventory, 18.06.2020 #865321/331652
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