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NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/aless than 10 years ago68.41.141.32.239.12.621.02.922.72.111.62.150.00.8
11-20 years ago16.20.917.31.717.22.18.01.915.11.811.22.115.50.6
21-30 years ago9.10.711.11.412.01.815.82.613.21.716.62.411.00.5
31-40 years ago3.00.48.51.25.31.29.32.09.71.511.72.15.70.4
41-50 years ago1.30.33.80.94.71.212.92.46.71.210.02.03.80.3
over 50 years ago2.10.318.01.721.82.233.03.332.52.339.03.214.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago54.43.746.72.241.12.720.82.226.82.48.91.229.90.9
11-20 years ago17.62.818.21.720.62.213.21.822.12.37.51.115.60.8
21-30 years ago12.22.410.71.410.51.710.11.614.41.910.91.311.30.7
31-40 years ago3.91.58.31.28.71.59.21.56.41.37.01.07.50.5
41-50 years ago4.81.65.71.05.51.311.11.76.11.39.01.27.30.5
over 50 years ago7.01.910.41.413.61.935.62.524.32.356.82.028.40.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago49.64.944.97.348.27.913.54.735.55.519.65.937.02.5
11-20 years ago18.33.817.35.617.05.913.24.724.35.010.64.517.52.0
21-30 years ago15.43.510.34.414.55.59.24.010.73.66.23.511.61.7
31-40 years ago6.52.46.23.57.64.37.83.812.73.815.25.39.11.5
41-50 years ago2.81.64.02.84.93.416.75.12.31.64.43.05.31.1
over 50 years ago7.52.617.35.57.84.439.56.714.54.044.07.319.42.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago66.31.044.01.540.51.820.21.625.51.510.21.041.80.6
11-20 years ago16.50.817.71.218.71.511.41.318.81.48.71.015.70.5
21-30 years ago9.60.610.91.011.41.212.01.313.51.212.21.111.10.4
31-40 years ago3.20.48.30.87.01.09.11.28.61.08.71.06.60.3
41-50 years ago1.60.34.70.75.10.812.21.36.10.89.01.05.20.3
over 50 years ago2.80.414.31.117.21.435.11.927.51.551.31.719.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859129/325460
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/aless than 10 years ago67.61.041.02.137.82.519.62.621.61.911.12.049.20.8
11-20 years ago16.10.816.91.615.91.99.11.815.41.710.72.015.30.6
21-30 years ago9.70.612.11.413.31.715.92.413.61.617.32.411.70.5
31-40 years ago2.90.48.61.26.41.210.92.010.11.411.62.05.90.4
41-50 years ago1.40.33.70.85.01.111.42.17.11.29.21.83.80.3
over 50 years ago2.20.317.71.621.72.133.23.132.22.240.13.114.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago54.13.545.92.141.72.620.62.026.82.310.21.230.20.9
11-20 years ago17.62.718.71.620.52.113.01.721.32.16.81.015.40.7
21-30 years ago12.22.311.01.310.41.69.91.514.21.810.51.211.20.6
31-40 years ago3.91.48.01.18.21.410.11.56.61.37.21.07.60.5
41-50 years ago4.41.45.81.05.21.210.91.65.71.29.01.17.20.5
over 50 years ago7.81.910.71.314.01.835.62.425.42.256.31.928.50.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago51.74.742.26.947.27.716.65.036.65.320.55.838.12.4
11-20 years ago16.73.519.35.515.85.512.84.522.94.69.94.216.91.9
21-30 years ago15.93.411.34.417.95.89.03.913.13.77.93.813.01.7
31-40 years ago6.12.25.63.17.14.07.53.611.43.414.45.08.51.4
41-50 years ago2.61.55.73.24.63.216.25.02.11.54.22.95.21.1
over 50 years ago7.02.415.95.17.44.137.96.613.93.743.07.118.41.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago65.71.043.51.440.11.719.91.525.11.410.91.041.50.5
11-20 years ago16.30.817.91.118.01.411.61.218.51.38.00.915.40.4
21-30 years ago10.20.611.60.912.21.211.91.213.81.112.21.111.60.4
31-40 years ago3.20.48.20.87.30.910.21.28.80.98.70.96.70.3
41-50 years ago1.70.34.80.65.00.811.51.26.10.88.80.95.10.3
over 50 years ago2.90.314.11.017.41.334.91.827.71.551.31.619.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859130/325461
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago67.91.144.02.538.23.118.93.627.72.819.03.954.80.9
11-20 years ago17.70.922.22.122.72.614.43.219.92.513.03.418.70.7
21-30 years ago6.40.68.91.410.82.06.32.212.12.14.82.17.60.5
31-40 years ago3.40.47.21.37.21.68.32.59.21.88.92.85.20.4
41-50 years ago2.00.36.31.25.21.47.32.45.41.48.22.83.60.3
over 50 years ago2.50.411.31.615.92.344.74.525.72.746.15.010.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago51.03.743.02.338.52.822.52.320.62.410.41.429.01.0
11-20 years ago18.82.921.21.923.92.514.62.022.82.56.21.117.00.8
21-30 years ago9.52.211.91.511.81.99.61.616.02.17.21.210.80.7
31-40 years ago7.42.06.61.17.41.56.31.310.01.85.71.17.00.6
41-50 years ago3.41.36.01.15.81.48.11.57.41.59.21.37.00.6
over 50 years ago9.92.211.31.512.51.938.92.723.32.561.42.229.21.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago52.64.952.67.542.87.929.56.423.25.326.57.239.62.7
11-20 years ago18.33.811.14.722.36.611.64.521.55.15.33.715.92.0
21-30 years ago8.82.89.54.57.64.35.53.119.25.02.52.59.51.6
31-40 years ago6.02.44.33.09.14.34.02.813.84.39.84.77.81.4
41-50 years ago2.81.62.02.08.04.49.54.17.43.28.04.45.71.3
over 50 years ago11.43.120.56.110.14.839.96.815.04.447.88.121.52.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.61.043.91.638.72.022.31.923.81.712.81.343.90.6
11-20 years ago17.80.821.11.423.31.814.31.621.41.77.21.117.90.5
21-30 years ago6.80.610.51.011.11.38.41.214.71.46.51.09.00.4
31-40 years ago3.90.46.80.87.41.16.61.110.01.26.51.06.00.3
41-50 years ago2.20.36.00.85.71.08.11.26.61.09.01.25.10.3
over 50 years ago3.60.411.71.113.81.440.42.223.41.758.02.018.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859131/325462
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/aless than 10 years ago68.11.139.12.137.22.619.22.622.02.09.81.848.20.8
11-20 years ago16.20.816.31.616.42.07.41.714.71.79.81.815.00.6
21-30 years ago9.00.710.61.411.91.714.52.413.11.615.12.110.80.5
31-40 years ago3.00.48.11.25.01.19.01.99.41.410.51.85.60.4
41-50 years ago1.30.33.80.84.51.114.52.46.51.210.51.94.10.3
over 50 years ago2.50.422.11.825.02.335.53.234.32.344.43.016.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago54.43.745.72.239.32.620.12.126.22.48.51.129.00.9
11-20 years ago17.62.818.11.720.62.112.71.721.32.27.11.015.20.7
21-30 years ago12.22.410.61.410.01.69.81.614.81.910.41.211.10.6
31-40 years ago3.91.58.31.28.41.58.91.56.51.37.11.07.50.5
41-50 years ago4.81.66.11.05.71.211.61.75.91.28.61.17.40.5
over 50 years ago7.01.911.31.416.02.036.92.525.42.358.22.029.80.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago49.64.844.97.343.67.513.34.733.65.320.85.936.22.5
11-20 years ago17.93.717.35.615.35.413.04.623.04.810.24.316.91.9
21-30 years ago15.13.510.34.413.15.09.13.910.13.45.93.311.21.6
31-40 years ago6.42.36.23.56.93.97.73.712.03.614.65.18.81.5
41-50 years ago2.71.64.02.84.43.116.45.02.21.54.22.95.11.1
over 50 years ago8.32.617.35.516.65.740.66.719.04.444.37.221.72.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago66.01.042.51.538.61.819.21.624.81.59.51.040.40.6
11-20 years ago16.40.817.21.118.31.410.91.218.21.38.00.915.20.4
21-30 years ago9.60.610.60.911.11.111.41.313.51.211.51.010.90.4
31-40 years ago3.30.48.10.86.70.98.81.18.50.98.50.96.50.3
41-50 years ago1.60.34.90.65.00.813.01.35.90.89.00.95.40.3
over 50 years ago3.10.416.71.120.31.536.71.929.21.553.41.621.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859132/325463
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/aless than 10 years ago68.41.139.32.236.62.619.62.722.32.09.71.848.60.8
11-20 years ago16.00.816.41.716.42.07.51.814.51.79.61.814.90.6
21-30 years ago8.90.710.91.412.21.714.82.413.11.615.12.210.80.5
31-40 years ago3.00.48.21.25.11.28.71.99.21.410.81.95.60.4
41-50 years ago1.30.33.90.94.61.114.32.46.71.210.41.94.10.3
over 50 years ago2.40.421.21.825.02.335.03.234.32.344.43.016.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago54.43.745.62.239.12.620.22.126.32.48.61.129.00.9
11-20 years ago17.32.818.41.720.42.212.81.821.42.27.11.015.30.7
21-30 years ago12.32.510.81.49.91.69.81.614.91.910.21.211.10.6
31-40 years ago4.01.58.21.28.51.58.91.56.51.37.21.07.50.5
41-50 years ago4.91.66.01.05.81.211.41.75.61.28.71.17.30.5
over 50 years ago7.11.911.11.416.32.036.82.525.22.358.22.029.80.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago49.14.946.97.543.67.513.34.733.25.420.85.936.22.5
11-20 years ago18.13.818.15.815.35.413.04.623.64.910.24.317.22.0
21-30 years ago15.33.510.74.513.15.09.13.99.13.35.93.311.11.6
31-40 years ago6.42.34.43.06.93.97.73.712.33.714.65.18.71.4
41-50 years ago2.81.62.01.94.43.116.45.02.31.64.22.94.91.1
over 50 years ago8.32.718.05.816.65.740.66.719.54.544.37.222.02.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago66.31.042.71.538.21.819.41.625.01.59.51.040.60.6
11-20 years ago16.20.817.41.218.21.411.01.218.21.38.00.915.20.4
21-30 years ago9.50.610.81.011.21.211.51.313.51.211.41.010.90.4
31-40 years ago3.20.48.00.86.80.98.81.18.30.98.60.96.50.3
41-50 years ago1.60.34.80.65.10.812.81.35.80.89.00.95.30.3
over 50 years ago3.10.416.31.120.41.536.51.929.21.553.51.621.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859133/325464
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago67.21.140.22.235.42.720.72.923.52.312.22.450.10.8
11-20 years ago17.80.921.41.920.52.310.32.117.42.08.52.017.60.7
21-30 years ago6.60.610.21.412.51.97.91.915.62.07.81.98.70.5
31-40 years ago3.50.47.01.27.71.511.62.310.21.614.22.56.20.4
41-50 years ago2.00.36.21.15.41.310.02.16.01.38.62.14.20.3
over 50 years ago2.70.415.01.618.52.239.53.527.32.448.63.613.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago50.43.741.82.237.42.721.62.221.22.210.11.327.70.9
11-20 years ago19.72.921.21.823.42.413.31.821.12.25.61.016.30.8
21-30 years ago9.42.212.41.511.21.710.21.615.62.08.11.211.10.7
31-40 years ago7.31.96.51.17.31.47.81.411.01.77.31.17.70.6
41-50 years ago3.31.35.71.05.51.38.91.57.01.49.11.27.00.5
over 50 years ago9.82.212.41.515.22.038.02.624.22.359.82.130.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago51.64.951.47.542.87.928.46.225.55.124.76.538.52.6
11-20 years ago19.03.813.05.022.36.611.14.318.54.511.04.616.31.9
21-30 years ago8.62.79.34.47.64.35.33.019.34.64.22.99.71.6
31-40 years ago5.92.34.22.99.14.35.73.211.93.78.44.07.61.4
41-50 years ago2.81.62.01.98.04.411.24.36.42.89.04.36.01.2
over 50 years ago12.13.220.06.010.14.838.36.618.44.442.87.421.82.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.01.041.51.536.81.921.91.722.71.511.41.141.00.6
11-20 years ago18.10.820.91.321.91.612.21.319.11.46.60.917.00.5
21-30 years ago6.90.511.21.011.61.29.01.216.01.37.80.99.70.4
31-40 years ago4.00.46.60.87.61.08.91.210.71.19.01.06.80.3
41-50 years ago2.20.35.80.75.60.99.51.26.50.99.01.05.40.3
over 50 years ago3.80.414.01.116.41.438.52.025.11.656.21.820.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859134/325465
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago67.41.138.92.231.72.618.02.719.42.010.72.147.90.8
11-20 years ago17.70.920.51.819.32.210.82.215.01.87.61.816.90.6
21-30 years ago6.50.69.71.311.61.85.41.611.41.69.11.98.10.5
31-40 years ago3.50.46.91.29.11.613.52.410.31.517.22.56.80.4
41-50 years ago2.00.37.31.24.81.210.02.18.51.411.62.14.90.4
over 50 years ago2.60.416.81.723.52.342.33.535.42.443.83.315.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago50.73.742.02.237.12.721.82.221.02.29.71.227.50.9
11-20 years ago19.32.921.21.923.32.413.51.820.92.25.61.016.10.8
21-30 years ago9.52.212.31.511.71.810.01.615.12.07.81.110.90.7
31-40 years ago7.32.06.51.17.71.58.21.511.61.88.41.28.20.6
41-50 years ago3.31.35.81.05.61.38.71.57.01.49.11.27.00.5
over 50 years ago9.92.212.11.514.72.037.82.624.32.359.42.030.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago52.14.951.47.542.87.928.96.324.55.024.76.538.62.6
11-20 years ago19.23.913.05.022.36.611.44.418.84.68.94.216.21.9
21-30 years ago8.72.89.34.47.64.35.43.019.64.74.22.99.81.6
31-40 years ago6.02.44.22.99.14.33.92.713.54.08.44.07.61.4
41-50 years ago2.81.62.01.98.04.411.44.46.42.811.04.76.31.3
over 50 years ago11.33.120.06.010.14.839.06.717.34.442.87.421.52.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.21.041.01.534.81.821.21.720.51.410.81.139.80.6
11-20 years ago17.90.820.51.321.31.612.41.317.81.36.30.816.60.5
21-30 years ago6.90.510.91.011.41.28.11.113.71.27.90.99.20.4
31-40 years ago4.00.46.60.88.41.19.61.211.11.110.71.17.40.3
41-50 years ago2.20.36.30.85.40.99.31.27.70.99.91.05.80.3
over 50 years ago3.70.414.71.118.71.539.42.029.21.654.41.721.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859135/325466
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/aless than 10 years ago67.31.038.62.036.02.418.02.421.01.99.31.747.40.7
11-20 years ago16.10.815.81.515.11.88.31.715.01.69.31.714.80.6
21-30 years ago9.70.611.71.313.21.714.62.213.41.615.52.111.50.5
31-40 years ago3.00.48.01.16.11.210.51.99.81.410.31.85.80.4
41-50 years ago1.40.33.80.84.71.112.72.16.91.210.01.74.10.3
over 50 years ago2.60.322.11.725.02.135.93.034.02.245.72.916.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago54.13.544.92.039.82.519.92.026.12.29.71.129.20.9
11-20 years ago17.62.718.61.620.52.012.51.620.62.16.40.915.00.7
21-30 years ago12.22.310.91.39.91.59.61.514.41.810.01.110.90.6
31-40 years ago3.91.47.91.17.91.39.81.56.61.37.21.07.50.5
41-50 years ago4.41.46.31.05.31.111.21.65.51.28.71.17.20.5
over 50 years ago7.81.911.41.316.61.937.02.426.72.257.91.930.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago51.74.641.56.842.17.216.35.034.95.121.65.837.22.4
11-20 years ago16.53.518.95.414.15.012.64.521.84.49.64.116.31.8
21-30 years ago15.63.411.14.316.05.28.83.812.53.57.63.712.51.6
31-40 years ago6.02.25.53.16.43.67.43.510.83.313.84.98.21.3
41-50 years ago2.61.55.63.24.12.816.04.92.01.44.12.85.01.1
over 50 years ago7.72.517.45.317.45.639.06.518.04.143.36.920.92.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago65.41.041.81.438.11.718.91.524.41.410.20.940.10.5
11-20 years ago16.20.717.31.117.51.311.01.217.91.27.40.815.00.4
21-30 years ago10.20.611.30.911.81.111.31.213.71.111.51.011.30.4
31-40 years ago3.20.47.90.87.00.99.81.18.60.98.40.96.60.3
41-50 years ago1.70.35.10.64.90.712.11.25.90.88.80.95.30.3
over 50 years ago3.20.416.71.120.61.436.81.829.51.553.71.521.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859136/325467
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago67.41.141.12.335.92.821.23.224.22.413.82.751.50.8
11-20 years ago17.80.921.41.921.52.411.52.419.02.28.82.218.00.7
21-30 years ago6.50.69.61.411.91.96.41.913.81.98.52.28.30.5
31-40 years ago3.50.47.01.27.61.610.62.411.11.813.02.66.00.4
41-50 years ago2.00.36.61.24.91.38.82.26.31.48.22.24.00.3
over 50 years ago2.60.414.21.618.32.341.53.825.52.447.83.912.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago50.73.742.12.237.92.722.02.221.02.310.21.328.00.9
11-20 years ago19.32.921.21.923.52.413.61.821.52.35.71.016.40.8
21-30 years ago9.52.212.31.511.31.810.11.615.52.08.11.211.00.7
31-40 years ago7.32.06.51.17.51.58.01.511.31.87.51.17.90.6
41-50 years ago3.31.35.81.15.71.38.51.56.91.49.11.27.00.5
over 50 years ago9.92.212.01.514.12.037.92.623.82.359.42.129.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago52.14.951.47.542.87.928.96.325.25.225.26.638.92.6
11-20 years ago19.23.913.05.022.36.611.44.419.34.79.14.316.42.0
21-30 years ago8.72.89.34.47.64.35.43.018.74.74.33.09.61.6
31-40 years ago6.02.44.22.99.14.33.92.712.43.98.64.17.41.4
41-50 years ago2.81.62.01.98.04.411.44.46.62.99.14.46.11.3
over 50 years ago11.33.120.06.010.14.839.06.717.84.543.77.521.72.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.21.042.11.637.31.922.41.722.81.611.81.241.80.6
11-20 years ago18.00.821.01.322.51.612.81.420.21.56.60.917.30.5
21-30 years ago6.90.510.91.011.31.38.61.215.11.37.91.09.40.4
31-40 years ago4.00.46.70.87.71.08.41.211.31.28.71.06.80.3
41-50 years ago2.20.36.00.75.50.98.81.26.60.98.91.05.30.3
over 50 years ago3.70.413.41.115.71.439.12.024.01.656.01.819.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859137/325468
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago67.21.138.52.230.42.417.92.518.81.910.11.946.70.8
11-20 years ago17.80.920.61.820.12.19.81.914.41.77.71.716.80.6
21-30 years ago6.60.610.31.313.51.87.71.813.71.69.91.98.90.5
31-40 years ago3.50.46.81.18.51.513.52.39.41.416.92.46.70.4
41-50 years ago2.00.36.91.14.71.110.82.08.01.310.92.04.80.4
over 50 years ago2.70.416.91.622.82.240.33.235.82.344.63.115.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago50.43.741.82.236.92.721.52.221.12.29.71.227.30.9
11-20 years ago19.72.921.11.823.12.313.31.820.52.25.50.916.00.8
21-30 years ago9.42.212.31.511.41.810.21.615.41.97.81.110.90.6
31-40 years ago7.31.96.41.17.51.58.11.411.21.78.41.18.10.6
41-50 years ago3.31.35.71.05.51.28.91.56.81.39.11.27.00.5
over 50 years ago9.82.212.61.515.62.038.12.624.92.359.52.030.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago51.64.951.47.542.87.928.46.224.85.024.26.438.22.5
11-20 years ago19.03.813.05.022.36.611.14.318.04.410.84.616.21.9
21-30 years ago8.62.79.34.47.64.35.33.020.14.64.12.99.91.6
31-40 years ago5.92.34.22.99.14.35.73.212.93.88.23.97.81.4
41-50 years ago2.81.62.01.98.04.411.24.36.22.710.84.66.21.3
over 50 years ago12.13.220.06.010.14.838.36.617.94.341.97.321.72.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.11.040.61.534.01.720.81.620.31.410.61.039.20.6
11-20 years ago18.10.820.51.221.51.511.81.317.21.36.40.816.50.5
21-30 years ago6.90.511.21.012.31.28.91.114.91.28.20.99.70.4
31-40 years ago4.00.46.50.88.11.09.81.210.41.010.81.07.30.3
41-50 years ago2.20.36.10.75.20.89.81.27.30.99.71.05.70.3
over 50 years ago3.80.415.01.118.91.438.91.929.81.554.41.721.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859138/325469
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.20.20.0.0.0.0.0.0.0.0.10.0
less than 10 years ago66.91.136.52.128.52.316.22.318.71.88.51.644.90.8
11-20 years ago17.80.919.31.718.82.08.71.713.91.66.51.416.20.6
21-30 years ago6.60.610.21.312.91.77.21.613.11.69.01.68.80.5
31-40 years ago3.50.46.81.18.21.411.92.09.31.314.62.16.60.4
41-50 years ago2.10.36.41.05.21.19.91.97.71.210.21.84.80.3
over 50 years ago3.10.420.61.726.32.246.03.137.42.351.32.918.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago50.13.740.92.235.62.621.02.120.52.19.41.226.50.9
11-20 years ago19.62.921.31.822.02.212.91.819.82.15.20.915.60.7
21-30 years ago9.42.212.21.411.31.79.91.614.91.97.41.110.70.6
31-40 years ago7.21.96.51.17.41.47.91.412.01.78.21.18.20.6
41-50 years ago3.31.35.81.05.51.28.71.56.61.39.01.26.90.5
over 50 years ago10.32.213.31.518.22.139.72.626.22.360.82.032.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago51.14.951.47.538.87.429.66.223.54.723.26.137.22.5
11-20 years ago19.73.913.05.020.26.110.94.217.14.210.34.415.91.9
21-30 years ago8.52.79.34.46.93.95.22.919.04.44.02.89.61.5
31-40 years ago5.92.34.22.98.23.95.63.212.33.67.93.87.51.3
41-50 years ago2.81.62.01.97.24.011.04.35.92.510.44.46.01.2
over 50 years ago12.03.120.06.018.76.037.66.522.24.644.27.223.72.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago64.71.039.11.532.21.719.81.519.81.39.81.037.80.5
11-20 years ago18.10.820.01.220.31.411.11.216.51.25.90.815.90.4
21-30 years ago6.90.511.10.911.91.28.51.114.41.27.70.99.50.4
31-40 years ago3.90.46.50.77.91.09.31.110.61.010.11.07.20.3
41-50 years ago2.20.36.00.75.40.89.31.17.10.99.40.95.70.3
over 50 years ago4.10.417.21.122.31.542.01.931.61.557.01.623.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859139/325470
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.20.20.0.0.0.0.0.0.0.0.10.0
less than 10 years ago67.01.137.12.130.12.517.02.618.81.99.01.746.30.8
11-20 years ago17.70.919.61.818.72.19.92.014.61.76.71.516.40.6
21-30 years ago6.60.69.61.311.31.75.01.511.11.58.41.78.00.5
31-40 years ago3.50.46.71.18.91.512.42.210.21.515.62.26.70.4
41-50 years ago2.10.36.91.14.61.19.12.08.21.310.81.94.80.4
over 50 years ago3.00.419.91.826.52.446.63.437.22.449.63.017.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago50.73.741.02.235.42.621.22.120.52.29.31.226.60.9
11-20 years ago19.32.921.21.822.12.213.11.820.12.15.30.915.60.7
21-30 years ago9.52.212.11.411.41.79.71.514.51.97.31.110.50.6
31-40 years ago7.32.06.51.17.41.47.91.412.31.88.11.18.20.6
41-50 years ago3.31.35.91.05.51.28.51.56.71.39.11.27.00.5
over 50 years ago9.92.213.41.518.32.139.52.625.82.360.92.032.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago51.14.951.47.538.87.430.26.323.24.823.26.137.42.5
11-20 years ago19.73.913.05.020.26.111.24.317.74.310.34.416.11.9
21-30 years ago8.52.79.34.46.93.95.33.018.54.54.02.89.51.5
31-40 years ago5.92.34.22.98.23.93.82.712.83.87.93.87.31.3
41-50 years ago2.81.62.01.97.24.011.24.36.12.610.44.46.01.2
over 50 years ago12.03.120.06.018.76.038.36.621.74.744.27.223.72.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago64.91.039.61.533.11.720.51.619.91.410.01.038.50.6
11-20 years ago17.90.820.11.220.31.511.81.317.11.35.90.816.10.5
21-30 years ago6.90.510.80.911.01.27.71.013.21.27.50.99.00.4
31-40 years ago3.90.46.50.88.21.09.21.111.31.110.21.07.30.3
41-50 years ago2.20.36.20.75.20.88.91.17.40.99.61.05.70.3
over 50 years ago4.00.416.81.122.21.541.92.031.11.656.81.623.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859140/325471
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago58.12.064.93.370.93.277.22.478.41.848.35.952.83.253.43.930.14.938.57.032.97.726.14.032.12.922.74.257.70.9
11-20 years ago19.11.618.52.812.82.415.02.012.91.519.84.714.82.317.13.024.24.617.05.416.36.211.02.818.32.48.12.816.00.7
21-30 years ago13.61.49.42.07.51.85.61.35.61.06.73.014.12.312.32.510.33.36.33.514.55.610.02.713.92.28.92.810.00.6
31-40 years ago4.90.93.01.22.71.21.00.61.80.69.53.36.61.64.91.710.43.38.03.810.65.14.81.96.21.56.12.44.40.4
41-50 years ago1.40.53.11.33.11.20.0.0.80.43.62.02.10.92.51.34.72.37.93.88.34.79.22.63.81.27.22.62.60.3
over 50 years ago3.00.71.00.73.11.31.30.70.60.312.13.79.61.99.72.320.34.422.36.017.46.139.04.425.72.746.95.09.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago44.85.260.415.581.78.256.18.663.19.847.44.860.73.350.74.027.93.736.66.837.45.421.92.328.92.79.41.332.11.0
11-20 years ago16.63.90.0.9.16.223.77.424.78.713.63.218.82.720.83.220.23.322.76.019.44.313.41.924.02.57.41.215.90.8
21-30 years ago15.73.829.914.50.0.11.75.54.34.215.23.57.61.810.92.512.92.83.92.715.64.08.11.512.01.98.41.310.20.7
31-40 years ago5.62.40.0.0.0.2.92.94.54.49.92.74.91.56.41.913.22.814.04.98.13.08.41.57.11.56.61.17.40.6
41-50 years ago5.32.39.79.34.64.53.03.03.43.46.22.12.01.03.11.410.32.55.83.28.63.212.11.85.41.38.81.37.20.6
over 50 years ago12.13.40.0.4.64.52.62.50.0.7.82.76.11.68.12.215.53.017.05.510.83.336.22.722.52.459.42.327.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago48.85.961.215.424.121.138.512.5100.0.53.414.146.713.937.212.242.811.660.815.649.313.713.84.835.36.015.96.036.92.6
11-20 years ago15.54.319.412.452.525.028.011.80.0.7.47.26.66.411.97.929.010.819.512.618.39.813.54.825.35.510.34.917.62.1
21-30 years ago18.34.60.0.0.0.20.010.40.0.7.47.28.48.025.811.116.38.60.0.15.510.39.44.09.43.77.44.112.01.8
31-40 years ago6.62.910.09.523.420.70.0.0.0.6.26.17.97.611.97.90.0.10.39.90.0.8.03.814.94.413.35.58.91.5
41-50 years ago2.71.99.49.00.0.0.0.0.0.0.0.6.56.313.38.80.0.0.0.0.0.15.04.92.71.95.33.65.11.2
over 50 years ago8.13.20.0.0.0.13.48.90.0.25.612.723.912.00.0.11.97.89.59.016.810.940.36.812.34.147.98.119.62.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago55.61.864.53.271.03.073.52.377.71.848.23.656.32.351.42.729.72.839.84.837.44.222.11.930.91.912.01.346.50.6
11-20 years ago18.41.417.72.613.12.316.32.013.41.515.62.616.51.718.52.122.22.619.83.918.43.312.81.521.71.77.71.116.10.5
21-30 years ago14.31.39.92.06.71.66.81.35.51.011.42.310.91.512.31.812.22.14.62.015.33.18.71.312.51.38.41.110.20.4
31-40 years ago5.20.83.21.22.81.11.10.61.90.69.52.05.81.15.91.311.32.010.93.08.02.47.51.27.51.17.01.05.80.3
41-50 years ago2.00.53.71.33.11.20.30.30.90.44.81.42.20.73.31.07.71.76.22.37.62.411.61.44.50.88.31.14.50.3
over 50 years ago4.60.80.90.63.21.21.90.70.50.310.62.38.41.38.51.516.92.418.73.813.32.937.32.222.81.756.72.016.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859141/325472
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago57.02.065.13.269.53.276.92.478.31.845.85.550.43.151.13.827.54.135.06.128.46.624.63.329.12.614.32.854.00.8
11-20 years ago19.51.618.62.713.12.315.22.112.91.523.64.714.32.218.52.921.43.816.64.816.95.69.72.218.32.210.52.416.10.6
21-30 years ago13.71.49.32.08.01.85.61.35.71.06.02.613.52.213.02.510.22.88.43.611.64.614.82.715.82.013.52.710.70.5
31-40 years ago5.00.93.01.23.11.21.00.61.70.69.73.27.31.64.51.69.52.76.33.010.74.67.72.07.51.58.82.25.00.4
41-50 years ago1.30.53.11.32.91.20.0.0.80.44.12.02.31.02.31.26.12.36.23.06.63.89.52.33.71.07.02.02.80.3
over 50 years ago3.50.81.00.73.41.31.30.60.60.310.73.412.02.010.62.325.34.127.55.725.76.233.73.625.52.445.93.911.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago45.45.260.415.581.78.256.18.663.19.845.24.761.13.348.53.926.63.638.16.435.85.121.02.227.52.59.31.230.71.0
11-20 years ago16.43.90.0.9.16.223.77.424.78.713.83.118.42.621.13.221.93.319.15.219.04.113.31.822.92.37.91.215.80.8
21-30 years ago15.53.829.914.50.0.11.75.54.34.216.53.67.41.811.02.512.32.73.32.314.53.810.21.614.11.910.21.311.20.7
31-40 years ago5.52.40.0.0.0.2.92.94.54.49.42.64.81.56.81.912.62.716.94.97.52.88.71.56.31.36.81.17.40.6
41-50 years ago5.22.39.79.34.64.53.03.03.43.45.92.02.01.03.61.410.52.58.23.58.03.011.21.75.21.28.61.27.10.5
over 50 years ago12.03.40.0.4.64.52.62.50.0.9.22.86.41.69.02.216.13.014.34.715.23.635.62.624.02.357.22.127.80.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago49.55.961.215.424.121.138.512.5100.0.53.414.146.713.937.212.240.411.260.815.649.313.713.54.736.15.720.56.137.22.6
11-20 years ago15.34.319.412.452.525.028.011.80.0.7.47.26.66.411.97.933.010.919.512.618.39.813.24.724.35.111.04.717.62.0
21-30 years ago18.04.50.0.0.0.20.010.40.0.7.47.28.48.025.811.115.48.20.0.15.510.39.24.08.53.36.43.611.41.7
31-40 years ago6.52.810.09.523.420.70.0.0.0.6.26.17.97.611.97.90.0.10.39.90.0.7.83.813.44.013.75.28.81.5
41-50 years ago2.61.89.49.00.0.0.0.0.0.0.0.6.56.313.38.80.0.0.0.0.0.16.75.12.51.74.63.25.11.1
over 50 years ago8.03.10.0.0.0.13.48.90.0.25.612.723.912.00.0.11.27.49.59.016.810.939.56.715.34.343.77.519.82.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago55.01.864.73.169.83.073.42.377.71.745.93.455.22.249.32.627.92.638.54.334.73.921.41.729.11.711.01.144.10.6
11-20 years ago18.71.417.82.613.42.216.52.013.41.417.42.616.01.719.42.122.42.517.93.418.33.112.21.421.01.58.61.016.10.5
21-30 years ago14.31.39.72.07.21.66.71.35.61.011.72.310.61.412.61.811.71.95.42.013.72.811.51.314.31.310.71.110.90.4
31-40 years ago5.20.83.11.23.21.21.10.61.80.69.31.96.21.15.91.210.51.811.32.87.82.28.31.27.51.07.71.06.10.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.81.32.30.73.41.08.11.66.62.16.82.111.21.34.20.78.01.04.60.3
over 50 years ago4.90.80.90.63.51.21.90.70.50.310.92.29.81.39.41.519.52.320.23.618.73.135.42.023.81.654.01.818.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859142/325473
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago57.02.065.13.269.53.277.02.478.31.843.25.449.73.150.23.724.83.728.15.120.44.821.42.923.02.111.52.150.30.8
11-20 years ago19.51.618.62.713.12.315.12.012.91.523.34.614.12.218.22.918.73.417.24.315.54.48.21.915.01.811.12.115.40.6
21-30 years ago13.71.49.32.08.01.85.51.35.71.06.72.713.32.113.32.510.42.79.43.411.93.816.12.613.31.717.12.511.00.5
31-40 years ago5.00.93.01.23.11.21.00.61.70.69.23.07.21.64.41.511.22.75.02.48.63.49.02.09.41.512.02.25.70.4
41-50 years ago1.30.53.11.32.91.20.0.0.80.43.91.92.30.92.31.16.82.29.03.36.93.012.72.46.91.39.82.03.90.3
over 50 years ago3.50.81.00.73.41.31.30.60.60.313.73.713.32.111.52.428.03.931.35.336.75.732.73.332.52.338.53.213.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago45.45.260.415.581.78.256.18.663.19.844.84.761.13.348.23.926.63.634.55.935.85.120.82.227.12.48.91.230.00.9
11-20 years ago16.43.90.0.9.16.223.77.424.78.713.73.118.42.621.63.221.93.318.84.919.04.113.21.822.32.37.61.115.60.8
21-30 years ago15.53.829.914.50.0.11.75.54.34.216.43.57.41.810.92.412.32.74.52.614.53.810.11.614.31.910.61.311.30.7
31-40 years ago5.52.40.0.0.0.2.92.94.54.49.32.64.81.56.81.912.62.715.34.57.52.89.21.56.41.37.11.17.60.6
41-50 years ago5.22.39.79.34.64.53.03.03.43.45.82.02.01.03.61.410.52.57.53.28.03.011.11.75.91.39.11.27.30.5
over 50 years ago12.03.40.0.4.64.52.62.50.0.10.02.96.41.68.92.216.13.019.45.015.23.635.62.524.02.356.72.128.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago49.55.961.215.424.121.138.512.5100.0.53.414.146.713.937.212.240.411.260.815.649.313.713.54.735.15.620.06.036.92.5
11-20 years ago15.34.319.412.452.525.028.011.80.0.7.47.26.66.411.97.933.010.919.512.618.39.813.24.724.95.110.84.617.82.0
21-30 years ago18.04.50.0.0.0.20.010.40.0.7.47.28.48.025.811.115.48.20.0.15.510.39.24.09.63.56.33.511.61.7
31-40 years ago6.52.810.09.523.420.70.0.0.0.6.26.17.97.611.97.90.0.10.39.90.0.7.83.813.03.915.55.49.01.5
41-50 years ago2.61.89.49.00.0.0.0.0.0.0.0.6.56.313.38.80.0.0.0.0.0.16.75.12.41.74.53.15.11.1
over 50 years ago8.03.10.0.0.0.13.48.90.0.25.612.723.912.00.0.11.27.49.59.016.810.939.56.714.94.142.87.419.72.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago55.01.864.73.169.83.073.52.377.71.744.63.454.82.248.82.626.72.533.03.830.63.520.41.625.81.510.21.042.00.6
11-20 years ago18.71.417.82.613.42.216.52.013.41.417.32.615.91.719.52.121.22.318.13.217.52.911.51.318.91.48.71.015.60.5
21-30 years ago14.31.39.72.07.21.66.71.35.61.011.82.210.51.412.81.811.71.86.72.113.52.612.01.313.41.212.11.111.20.4
31-40 years ago5.20.83.11.23.21.21.10.61.80.69.11.96.11.15.81.211.21.89.72.47.42.09.01.28.51.08.91.06.60.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.71.32.30.73.31.08.31.67.72.16.92.012.11.36.10.89.01.05.20.3
over 50 years ago4.90.80.90.63.51.21.90.70.50.312.52.310.51.39.91.621.02.324.83.524.13.235.01.927.41.551.11.719.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859143/325474
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago55.41.964.73.168.73.075.82.377.71.747.05.150.53.049.63.525.53.837.85.829.95.822.32.927.32.313.62.552.80.8
11-20 years ago19.01.517.92.613.32.215.61.913.21.422.84.314.12.117.52.720.23.514.04.116.04.710.52.118.42.09.82.215.90.6
21-30 years ago15.41.49.41.98.21.76.31.35.81.05.02.214.92.214.22.411.22.77.13.111.14.014.52.516.01.914.02.511.40.5
31-40 years ago4.80.82.71.13.31.21.20.61.90.69.83.07.01.55.91.710.12.68.33.38.33.610.32.18.11.48.82.15.30.4
41-50 years ago1.30.44.31.43.01.10.0.0.70.33.81.92.10.92.61.16.12.15.42.77.23.58.82.04.11.06.61.82.90.3
over 50 years ago4.20.80.90.73.51.21.10.60.70.311.63.211.31.910.32.127.03.927.35.227.65.633.73.326.12.347.33.711.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago44.44.950.614.580.47.957.77.965.18.940.94.261.23.048.23.628.33.338.56.035.94.820.72.127.62.310.51.231.00.9
11-20 years ago18.03.816.410.67.85.320.26.420.87.616.73.117.32.421.22.921.63.119.35.019.43.913.11.722.02.27.01.015.50.7
21-30 years ago14.03.524.912.63.93.912.45.27.14.915.33.17.21.610.52.213.32.53.02.115.13.710.01.514.01.810.11.211.10.6
31-40 years ago5.02.20.0.0.0.4.83.33.83.79.42.44.41.36.11.612.12.416.84.76.72.59.71.56.51.36.91.07.50.5
41-50 years ago4.82.18.17.83.93.92.82.73.13.17.32.12.81.13.61.48.82.17.73.37.12.610.91.64.91.18.61.16.90.5
over 50 years ago13.83.40.0.3.93.92.22.20.0.10.42.77.01.610.32.115.82.714.74.515.73.535.62.425.02.356.82.028.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago53.35.664.214.523.720.937.611.4100.0.52.813.142.613.233.411.233.09.763.614.849.413.716.65.037.55.320.95.938.32.5
11-20 years ago14.13.917.911.653.024.922.710.00.0.14.99.714.19.310.57.127.69.517.911.818.69.912.84.522.34.610.24.316.91.9
21-30 years ago16.64.20.0.0.0.28.210.70.0.6.66.47.97.633.311.217.47.90.0.15.210.19.03.912.23.68.13.912.81.7
31-40 years ago6.12.79.38.923.320.60.0.0.0.5.65.57.16.910.57.14.54.310.09.70.0.7.53.611.73.512.64.88.31.4
41-50 years ago2.51.78.68.20.0.0.0.0.0.0.0.6.05.812.28.17.75.20.0.0.0.16.25.02.11.54.33.05.11.1
over 50 years ago7.42.90.0.0.0.11.47.60.0.20.110.522.411.30.0.9.96.68.48.116.910.937.96.614.33.843.97.218.62.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago53.91.764.03.069.12.872.52.277.21.744.13.155.32.148.32.427.52.440.14.134.93.620.91.628.41.611.81.143.60.6
11-20 years ago18.41.317.82.413.42.116.31.813.61.419.02.515.61.618.91.921.52.216.63.118.22.912.21.320.41.47.80.915.80.4
21-30 years ago15.31.29.71.97.71.57.81.35.80.910.72.011.11.413.31.712.81.84.81.813.72.611.41.214.71.210.81.111.30.4
31-40 years ago4.90.72.91.13.31.11.50.62.00.69.41.85.81.06.21.210.81.712.22.76.81.99.71.27.70.97.70.96.30.3
41-50 years ago1.80.54.61.43.01.10.30.30.80.45.51.42.60.73.50.97.71.56.01.96.51.910.71.24.20.77.90.94.60.3
over 50 years ago5.60.80.80.63.51.11.70.60.70.311.42.09.61.29.91.519.82.220.33.420.03.035.21.924.41.554.01.718.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859144/325475
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago56.62.065.13.268.93.176.82.478.11.844.35.450.83.151.03.727.04.038.26.129.16.523.93.228.72.514.22.753.50.8
11-20 years ago19.51.618.62.713.82.415.22.013.01.523.94.714.22.218.32.921.23.715.84.618.35.69.42.218.22.110.62.416.10.6
21-30 years ago14.01.49.32.07.91.85.41.35.71.05.82.613.42.212.92.59.72.78.03.411.24.414.42.715.82.012.92.610.70.5
31-40 years ago5.00.93.01.23.01.21.30.61.70.69.43.17.31.64.51.59.02.66.02.910.34.48.62.17.91.58.42.15.00.4
41-50 years ago1.30.53.11.32.91.20.0.0.80.44.02.02.30.92.31.15.82.15.92.96.43.69.82.33.61.07.22.02.80.3
over 50 years ago3.60.81.00.73.41.31.30.60.80.412.73.511.92.011.12.327.34.126.25.524.76.033.93.625.82.446.73.811.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago44.85.260.415.582.57.956.18.663.19.844.34.661.43.348.43.927.53.638.16.435.05.021.02.227.52.59.11.230.70.9
11-20 years ago17.43.90.0.8.75.923.77.424.78.713.53.118.12.621.03.121.63.319.15.219.74.113.31.822.62.37.71.115.70.8
21-30 years ago15.33.829.914.50.0.11.75.54.34.216.23.57.31.811.22.412.12.63.32.314.23.710.21.614.21.910.61.311.20.7
31-40 years ago5.52.40.0.0.0.2.92.94.54.49.92.64.71.46.61.912.52.716.94.97.42.78.71.56.21.36.71.17.40.5
41-50 years ago5.22.29.79.34.44.33.03.03.43.45.82.02.31.03.51.410.42.58.23.57.82.911.21.75.11.28.41.27.00.5
over 50 years ago11.83.40.0.4.44.32.62.50.0.10.33.06.31.69.32.215.92.914.34.716.03.735.62.624.32.357.52.128.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago50.35.861.215.424.121.138.512.5100.0.53.414.146.713.937.212.236.910.460.815.649.313.713.54.736.55.620.06.037.12.5
11-20 years ago15.14.219.412.452.525.028.011.80.0.7.47.26.66.411.97.930.110.119.512.618.39.813.24.723.65.010.84.617.42.0
21-30 years ago17.84.50.0.0.0.20.010.40.0.7.47.28.48.025.811.114.07.50.0.15.510.39.24.09.63.56.33.511.51.7
31-40 years ago6.42.810.09.523.420.70.0.0.0.6.26.17.97.611.97.94.74.610.39.90.0.7.83.813.13.913.45.18.91.5
41-50 years ago2.61.89.49.00.0.0.0.0.0.0.0.6.56.313.38.84.14.00.0.0.0.16.75.12.41.74.53.15.31.2
over 50 years ago7.93.10.0.0.0.13.48.90.0.25.612.723.912.00.0.10.36.89.59.016.810.939.56.714.94.144.97.419.82.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago54.61.864.73.169.43.073.32.377.51.844.83.455.62.249.22.628.02.639.94.334.43.921.21.728.91.710.91.143.90.6
11-20 years ago18.91.417.82.614.02.216.52.013.51.417.42.615.81.719.32.122.02.417.53.319.13.212.11.320.71.58.51.016.10.5
21-30 years ago14.51.39.72.07.11.66.61.35.61.011.42.210.51.412.61.711.31.85.32.013.32.711.41.314.41.310.81.110.90.4
31-40 years ago5.20.83.11.23.11.21.40.61.80.69.51.96.11.15.81.210.51.811.12.77.62.28.61.27.71.07.50.96.20.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.71.32.40.73.30.98.11.66.52.16.62.111.31.34.20.77.91.04.60.3
over 50 years ago5.00.80.90.63.41.21.90.70.70.412.22.39.71.39.81.620.22.319.83.518.93.135.52.024.01.654.41.818.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859145/325476
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.0.0.50.50.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago59.22.057.13.563.73.379.82.375.31.943.15.848.93.345.73.932.75.122.26.026.57.118.93.627.72.819.03.954.60.9
11-20 years ago19.21.626.33.117.22.715.72.114.91.621.74.824.02.823.93.315.93.919.95.720.16.514.43.219.92.513.03.418.80.7
21-30 years ago8.61.26.91.88.72.02.30.95.61.010.03.46.31.68.62.215.13.915.35.217.36.56.32.212.12.14.82.17.70.5
31-40 years ago5.71.03.01.24.31.41.00.62.00.66.32.87.71.76.41.97.02.88.34.06.43.68.32.59.21.88.92.85.10.4
41-50 years ago3.90.82.01.02.11.00.0.1.00.47.63.04.81.44.91.79.13.16.13.45.94.17.32.45.41.48.22.83.60.3
over 50 years ago3.40.84.21.43.71.41.30.61.20.511.23.78.21.810.52.420.34.428.26.423.77.044.74.525.72.746.15.010.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago43.95.229.914.577.28.958.18.555.210.042.84.750.43.445.24.032.83.928.76.534.45.322.52.320.62.410.41.429.21.0
11-20 years ago15.03.740.315.613.77.424.17.420.38.121.23.925.03.024.53.415.53.022.15.922.44.514.62.022.82.56.21.117.00.8
21-30 years ago8.93.09.79.30.0.8.84.921.08.310.02.89.72.010.02.416.23.016.55.412.73.69.61.616.02.17.21.210.80.7
31-40 years ago9.13.120.112.84.64.55.94.10.0.9.42.74.01.47.52.18.32.37.83.86.92.86.31.310.01.85.71.17.00.6
41-50 years ago5.52.40.0.4.64.50.0.0.0.6.62.33.31.24.71.69.72.58.13.96.52.98.11.57.41.59.21.37.00.6
over 50 years ago17.54.00.0.0.0.3.03.03.43.410.13.07.61.88.12.217.63.216.85.417.24.138.92.723.32.561.42.229.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago51.35.951.415.948.625.054.612.8100.0.28.412.361.213.539.112.460.011.650.415.842.013.629.56.423.25.326.57.239.42.6
11-20 years ago18.14.529.314.30.0.18.59.70.0.24.912.58.48.023.810.55.55.319.512.622.811.811.64.521.55.15.33.716.02.0
21-30 years ago9.83.50.0.28.023.36.66.40.0.7.47.20.0.0.0.16.88.710.39.912.48.35.53.119.25.02.52.59.41.6
31-40 years ago6.02.90.0.0.0.13.48.90.0.7.47.20.0.18.09.55.85.60.0.5.95.84.02.813.84.39.84.77.81.4
41-50 years ago2.71.90.0.23.420.70.0.0.0.6.26.10.0.13.18.70.0.10.39.90.0.9.54.17.43.28.04.45.71.2
over 50 years ago12.13.819.412.40.0.6.96.60.0.25.612.730.312.76.05.911.97.89.59.016.810.939.96.815.04.447.88.121.82.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago56.61.855.73.364.63.176.62.274.51.942.03.450.02.345.22.734.73.027.94.432.94.122.31.923.81.712.81.343.80.6
11-20 years ago18.61.427.03.016.62.516.62.015.11.521.62.924.02.024.22.314.92.220.93.821.83.514.31.621.41.77.21.117.90.5
21-30 years ago8.81.06.71.78.31.93.10.96.31.09.82.07.71.28.81.615.82.315.33.514.03.08.41.214.71.46.51.09.00.4
31-40 years ago6.10.93.61.34.21.32.00.71.90.68.01.95.71.17.41.47.71.77.32.56.72.16.61.110.01.26.51.06.00.3
41-50 years ago4.00.71.80.92.71.10.0.0.90.47.01.74.00.95.21.28.81.87.42.55.72.18.11.26.61.09.01.25.10.3
over 50 years ago6.00.94.71.43.31.21.70.71.30.511.52.38.61.39.21.618.12.421.24.019.03.440.42.223.41.758.02.018.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859146/325477
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago56.32.064.83.268.03.276.62.478.11.841.05.248.23.049.33.722.63.427.14.720.14.619.22.622.02.09.81.848.30.8
11-20 years ago19.41.618.52.713.72.315.12.013.01.523.14.413.52.117.72.816.83.014.53.715.74.27.41.714.71.79.81.815.00.6
21-30 years ago13.91.49.22.07.81.75.41.35.71.06.32.612.72.113.02.49.62.410.13.211.13.514.52.413.11.615.12.110.70.5
31-40 years ago5.10.92.91.23.01.21.30.61.70.68.72.86.91.54.31.59.72.44.22.18.03.29.01.99.41.410.51.85.60.4
41-50 years ago1.30.53.11.22.81.10.0.0.80.43.71.82.20.92.21.16.42.07.62.86.42.814.52.46.51.210.51.94.10.3
over 50 years ago4.00.81.50.84.81.51.60.70.80.417.13.916.42.213.52.534.93.836.45.138.75.535.53.234.32.344.43.016.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago44.85.260.415.582.57.956.18.663.19.843.64.660.03.246.93.826.93.532.45.632.84.720.12.126.22.48.51.129.10.9
11-20 years ago17.43.90.0.8.75.923.77.424.78.713.33.018.02.522.13.121.33.219.74.718.13.712.71.721.32.27.11.015.20.7
21-30 years ago15.33.829.914.50.0.11.75.54.34.216.03.47.41.811.32.411.62.54.12.312.43.39.81.614.81.910.41.211.10.6
31-40 years ago5.52.40.0.0.0.2.92.94.54.49.82.65.01.56.31.811.92.613.84.17.42.68.91.56.51.37.11.07.50.5
41-50 years ago5.22.29.79.34.44.33.03.03.43.45.71.92.81.13.31.311.22.59.53.46.82.511.61.75.91.28.61.17.40.5
over 50 years ago11.83.40.0.4.44.32.62.50.0.11.63.16.91.69.92.217.02.920.54.822.54.236.92.525.42.358.22.029.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago50.95.861.215.424.121.136.011.9100.0.53.414.146.713.937.212.236.910.450.714.642.412.613.34.733.65.320.85.936.02.5
11-20 years ago14.94.119.412.452.525.026.211.20.0.7.47.26.66.411.97.930.110.116.210.715.88.513.04.623.04.810.24.316.91.9
21-30 years ago17.54.40.0.0.0.18.79.80.0.7.47.28.48.025.811.114.07.50.0.13.39.09.13.910.13.45.93.311.31.6
31-40 years ago6.32.710.09.523.420.70.0.0.0.6.26.17.97.611.97.94.74.68.68.40.0.7.73.712.03.614.65.18.81.4
41-50 years ago2.61.89.49.00.0.0.0.0.0.0.0.6.56.313.38.84.14.00.0.0.0.16.45.02.21.54.22.95.11.1
over 50 years ago7.83.10.0.0.0.19.09.90.0.25.612.723.912.00.0.10.36.824.412.428.612.040.66.719.04.444.37.221.92.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago54.51.864.53.168.53.072.92.377.51.843.13.353.52.247.72.625.62.330.93.528.63.319.21.624.81.59.51.040.50.6
11-20 years ago18.81.417.72.613.92.216.41.913.51.417.12.515.41.619.52.019.82.216.72.917.02.710.91.218.21.38.00.915.20.4
21-30 years ago14.41.39.72.07.01.66.61.35.61.011.42.210.21.312.71.710.81.76.91.912.02.311.41.313.51.211.51.010.90.4
31-40 years ago5.30.83.11.23.11.11.40.61.80.69.11.86.11.15.61.210.41.68.42.17.01.88.81.18.50.98.50.96.50.3
41-50 years ago1.90.53.61.32.91.10.30.30.90.44.51.32.60.73.20.98.61.57.82.06.11.713.01.35.90.89.00.95.40.3
over 50 years ago5.20.81.40.84.71.42.40.80.70.414.82.412.31.411.31.624.82.329.13.529.43.336.71.929.21.553.41.621.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859147/325478
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago56.72.064.83.268.53.276.92.478.31.841.55.248.03.149.43.723.03.524.84.619.54.619.62.722.32.09.71.848.60.8
11-20 years ago19.41.618.52.712.92.315.02.012.91.523.44.513.72.117.92.816.93.115.23.914.74.27.51.814.51.79.61.814.90.6
21-30 years ago13.61.49.22.07.91.85.51.35.71.06.42.612.92.113.12.510.02.510.63.311.33.614.82.413.11.615.12.210.80.5
31-40 years ago5.20.92.91.23.01.21.00.61.70.68.82.97.01.54.41.510.12.54.42.28.23.28.71.99.21.410.81.95.60.4
41-50 years ago1.30.53.11.22.91.20.0.0.80.43.71.82.20.92.21.16.72.17.92.96.62.914.32.46.71.210.41.94.10.3
over 50 years ago3.80.81.50.84.81.51.60.70.60.316.23.816.32.213.12.533.23.937.05.239.75.635.03.234.32.344.43.016.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago45.45.260.415.581.78.256.18.663.19.843.94.659.93.346.53.826.33.532.45.633.14.720.22.126.32.48.61.129.10.9
11-20 years ago16.43.90.0.9.16.223.77.424.78.713.43.118.22.622.33.221.93.319.74.717.33.612.81.821.42.27.11.015.20.7
21-30 years ago15.53.829.914.50.0.11.75.54.34.216.13.57.51.811.02.411.92.64.12.312.53.39.81.614.91.910.21.211.10.6
31-40 years ago5.52.40.0.0.0.2.92.94.54.49.12.55.11.56.51.812.22.613.84.17.52.68.91.56.51.37.21.07.50.5
41-50 years ago5.22.39.79.34.64.53.03.03.43.45.72.02.81.13.41.410.92.59.53.46.92.611.41.75.61.28.71.17.30.5
over 50 years ago12.03.40.0.4.64.52.62.50.0.11.73.16.61.610.22.316.83.020.54.822.84.236.82.525.22.358.22.029.80.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago50.25.861.215.424.121.136.011.9100.0.53.414.146.713.937.212.240.411.250.714.642.412.613.34.733.25.420.85.936.02.5
11-20 years ago15.14.219.412.452.525.026.211.20.0.7.47.26.66.411.97.933.010.916.210.715.88.513.04.623.64.910.24.317.12.0
21-30 years ago17.84.50.0.0.0.18.79.80.0.7.47.28.48.025.811.115.48.20.0.13.39.09.13.99.13.35.93.311.21.6
31-40 years ago6.42.810.09.523.420.70.0.0.0.6.26.17.97.611.97.90.0.8.68.40.0.7.73.712.33.714.65.18.61.4
41-50 years ago2.61.89.49.00.0.0.0.0.0.0.0.6.56.313.38.80.0.0.0.0.0.16.45.02.31.64.22.94.91.1
over 50 years ago7.93.10.0.0.0.19.09.90.0.25.612.723.912.00.0.11.27.424.412.428.612.040.66.719.54.544.37.222.22.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago54.81.864.53.168.93.073.22.377.71.743.43.353.42.247.52.625.62.429.83.528.63.319.41.625.01.59.51.040.60.6
11-20 years ago18.61.417.72.613.22.216.32.013.41.417.32.515.51.619.62.120.22.217.12.916.22.611.01.218.21.38.00.915.20.4
21-30 years ago14.21.39.72.07.11.66.61.35.61.011.52.210.31.412.71.711.31.87.12.012.12.411.51.313.51.211.41.010.90.4
31-40 years ago5.30.83.11.23.11.21.10.61.80.68.81.86.11.15.71.210.61.78.62.17.11.98.81.18.30.98.60.96.50.3
41-50 years ago1.90.53.61.33.01.10.30.30.90.44.51.32.60.73.20.98.41.58.02.06.21.812.81.35.80.89.00.95.30.3
over 50 years ago5.20.81.40.84.71.42.50.80.50.314.42.412.11.411.21.623.92.429.33.529.83.336.51.929.21.553.51.621.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859148/325479
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago58.12.057.53.463.03.379.82.375.41.940.55.547.33.244.73.728.54.220.75.223.16.021.23.224.22.413.82.751.30.8
11-20 years ago19.31.626.23.116.82.615.72.115.01.620.94.523.62.723.53.216.13.417.24.718.25.611.52.419.02.28.82.218.10.7
21-30 years ago8.91.26.81.78.82.02.30.85.51.015.03.95.91.59.02.213.83.218.75.015.95.56.41.913.81.98.52.28.30.5
31-40 years ago5.91.03.01.24.51.41.00.62.00.65.62.57.71.76.41.86.92.48.33.69.23.910.62.411.11.813.02.65.90.4
41-50 years ago3.90.81.91.02.51.10.0.1.00.48.03.05.31.45.11.78.52.64.72.64.73.38.82.26.31.48.22.24.00.3
over 50 years ago3.80.84.11.43.91.41.30.61.20.510.03.310.31.911.32.426.24.130.45.828.96.641.53.825.52.447.83.912.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago43.45.229.914.577.28.958.18.555.210.041.64.649.73.445.23.932.03.831.16.131.95.022.02.221.02.310.21.328.20.9
11-20 years ago16.03.840.315.613.77.424.17.420.38.120.23.825.83.023.53.315.42.924.15.621.84.313.61.821.52.35.71.016.30.8
21-30 years ago8.83.09.79.30.0.8.84.921.08.310.42.79.52.09.52.317.43.113.94.612.83.510.11.615.52.08.11.211.00.7
31-40 years ago9.03.020.112.84.64.55.94.10.0.10.12.83.91.47.72.17.92.28.43.66.42.68.01.511.31.87.51.17.90.6
41-50 years ago5.42.40.0.4.64.50.0.0.0.6.32.23.21.25.11.79.22.46.83.36.02.78.51.56.91.49.11.27.00.5
over 50 years ago17.33.90.0.0.0.3.03.03.43.411.43.07.81.89.02.218.13.115.84.921.14.337.92.623.82.359.42.129.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago50.65.951.415.948.625.054.612.8100.0.28.412.361.213.539.112.456.711.450.415.842.013.628.96.325.25.225.26.638.72.6
11-20 years ago19.34.629.314.30.0.18.59.70.0.24.912.58.48.023.810.510.87.219.512.622.811.811.44.419.34.79.14.316.42.0
21-30 years ago9.63.50.0.28.023.36.66.40.0.7.47.20.0.0.0.15.88.310.39.912.48.35.43.018.74.74.33.09.51.6
31-40 years ago6.02.90.0.0.0.13.48.90.0.7.47.20.0.18.09.55.55.30.0.5.95.83.92.712.43.98.64.17.51.4
41-50 years ago2.61.80.0.23.420.70.0.0.0.6.26.10.0.13.18.70.0.10.39.90.0.11.44.46.62.99.14.46.01.2
over 50 years ago12.03.819.412.40.0.6.96.60.0.25.612.730.312.76.05.911.27.49.59.016.810.939.06.717.84.543.77.521.92.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.71.856.13.364.03.176.72.274.61.840.43.348.82.344.62.632.22.827.74.030.03.822.41.722.81.611.81.241.70.6
11-20 years ago18.91.426.93.016.32.416.62.015.21.520.82.824.22.023.52.215.42.120.43.520.73.312.81.420.21.56.60.917.30.5
21-30 years ago9.01.06.61.68.31.83.10.96.21.012.12.27.41.28.91.515.82.115.93.213.72.88.61.215.11.37.91.09.40.4
31-40 years ago6.30.93.61.24.41.32.00.71.90.68.11.95.71.17.51.47.31.67.62.37.22.08.41.211.31.28.71.06.80.3
41-50 years ago4.00.71.80.93.01.10.0.0.90.47.01.74.20.95.51.28.31.66.12.15.11.98.81.26.60.98.91.05.30.3
over 50 years ago6.20.94.61.43.51.21.70.71.20.511.72.39.71.310.01.620.92.422.33.723.23.539.12.024.01.656.01.819.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859149/325480
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago56.62.065.13.268.93.176.82.478.11.842.25.350.13.150.23.724.63.730.55.121.14.821.02.922.72.111.62.150.00.8
11-20 years ago19.51.618.62.713.82.415.22.013.01.523.94.614.02.218.02.918.83.316.44.216.44.48.01.915.11.811.22.115.50.6
21-30 years ago14.01.49.32.07.91.85.41.35.71.06.52.613.22.113.22.510.02.68.93.211.63.715.82.613.21.716.62.410.90.5
31-40 years ago5.00.93.01.23.01.21.30.61.70.69.02.97.21.64.41.510.82.64.82.38.43.39.32.09.71.511.72.15.70.4
41-50 years ago1.30.53.11.32.91.20.0.0.80.43.81.92.30.92.31.16.62.18.53.16.83.012.92.46.71.210.02.03.90.3
over 50 years ago3.60.81.00.73.41.31.30.60.80.414.63.713.22.112.02.429.23.930.95.235.75.633.03.332.52.339.03.213.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago44.85.260.415.582.57.956.18.663.19.843.94.661.43.348.13.827.53.634.55.935.05.020.82.226.82.48.91.230.00.9
11-20 years ago17.43.90.0.8.75.923.77.424.78.713.43.118.12.621.53.221.63.318.84.919.74.113.21.822.12.37.51.115.50.8
21-30 years ago15.33.829.914.50.0.11.75.54.34.216.13.57.31.811.12.412.12.64.52.614.23.710.11.614.41.910.91.311.30.7
31-40 years ago5.52.40.0.0.0.2.92.94.54.49.82.64.71.46.61.812.52.715.34.57.42.79.21.56.41.37.01.07.50.5
41-50 years ago5.22.29.79.34.44.33.03.03.43.45.72.02.31.03.51.410.42.57.53.27.82.911.11.76.11.39.01.27.30.5
over 50 years ago11.83.40.0.4.44.32.62.50.0.11.03.06.31.69.22.215.92.919.45.016.03.735.62.524.32.356.82.028.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago50.35.861.215.424.121.138.512.5100.0.53.414.146.713.937.212.236.910.460.815.649.313.713.54.735.55.519.65.936.82.5
11-20 years ago15.14.219.412.452.525.028.011.80.0.7.47.26.66.411.97.930.110.119.512.618.39.813.24.724.35.010.64.517.52.0
21-30 years ago17.84.50.0.0.0.20.010.40.0.7.47.28.48.025.811.114.07.50.0.15.510.39.24.010.73.66.23.511.71.7
31-40 years ago6.42.810.09.523.420.70.0.0.0.6.26.17.97.611.97.94.74.610.39.90.0.7.83.812.73.815.25.39.11.5
41-50 years ago2.61.89.49.00.0.0.0.0.0.0.0.6.56.313.38.84.14.00.0.0.0.16.75.12.31.64.43.05.21.1
over 50 years ago7.93.10.0.0.0.13.48.90.0.25.612.723.912.00.0.10.36.89.59.016.810.939.56.714.54.044.07.319.62.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago54.61.864.73.169.43.073.32.377.51.843.83.455.12.248.72.626.92.534.23.830.43.520.21.625.51.510.21.041.90.6
11-20 years ago18.91.417.82.614.02.216.52.013.51.417.42.515.71.619.42.120.92.317.63.118.32.911.41.318.81.48.71.015.60.5
21-30 years ago14.51.39.72.07.11.66.61.35.61.011.62.210.41.412.81.711.31.86.52.013.22.512.01.313.51.212.21.111.10.4
31-40 years ago5.20.83.11.23.11.21.40.61.80.69.31.86.01.15.71.211.21.89.52.37.22.09.11.28.61.08.71.06.60.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.61.32.40.73.30.98.31.67.52.16.81.912.21.36.10.89.01.05.20.3
over 50 years ago5.00.80.90.63.41.21.90.70.70.413.42.310.41.310.21.621.32.324.83.524.23.235.11.927.51.551.31.719.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859150/325481
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago55.41.964.73.168.73.075.82.377.71.745.05.049.53.048.83.522.83.429.74.821.94.419.62.621.61.911.12.049.20.8
11-20 years ago19.01.517.92.613.32.215.61.913.21.422.84.214.22.117.22.717.63.114.23.714.53.89.11.815.41.710.72.015.30.6
21-30 years ago15.41.49.41.98.21.76.31.35.81.05.82.314.62.114.52.411.72.69.93.113.23.615.92.413.61.617.32.411.70.5
31-40 years ago4.80.82.71.13.31.21.20.61.90.69.42.96.91.55.81.611.42.67.62.86.92.810.92.010.11.411.62.06.00.4
41-50 years ago1.30.44.31.43.01.10.0.0.70.33.61.82.10.82.51.16.62.08.62.97.12.811.42.17.11.29.21.83.90.3
over 50 years ago4.20.80.90.73.51.21.10.60.70.313.33.412.81.911.12.229.93.730.04.836.35.133.23.132.22.240.13.114.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago44.44.950.614.580.47.957.77.965.18.940.64.261.23.048.03.628.33.335.25.635.64.820.62.026.82.310.21.230.40.9
11-20 years ago18.03.816.410.67.85.320.26.420.87.616.63.117.32.421.72.921.63.119.04.819.23.913.01.721.32.16.81.015.30.7
21-30 years ago14.03.524.912.63.93.912.45.27.14.915.23.17.21.610.52.213.32.54.12.415.03.69.91.514.21.810.51.211.20.6
31-40 years ago5.02.20.0.0.0.4.83.33.83.79.42.44.41.36.11.612.12.415.44.36.72.510.11.56.61.37.21.07.60.5
41-50 years ago4.82.18.17.83.93.92.82.73.13.17.32.12.81.13.61.48.82.17.13.07.02.610.91.65.71.29.01.17.20.5
over 50 years ago13.83.40.0.3.93.92.22.20.0.11.02.87.01.610.22.115.82.719.14.816.63.635.62.425.42.256.31.928.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago53.35.664.214.523.720.937.611.4100.0.52.813.142.613.233.411.233.09.763.614.849.413.716.65.036.65.320.55.838.02.4
11-20 years ago14.13.917.911.653.024.922.710.00.0.14.99.714.19.310.57.127.69.517.911.818.69.912.84.522.94.69.94.217.01.9
21-30 years ago16.64.20.0.0.0.28.210.70.0.6.66.47.97.633.311.217.47.90.0.15.210.19.03.913.13.77.93.813.01.7
31-40 years ago6.12.79.38.923.320.60.0.0.0.5.65.57.16.910.57.14.54.310.09.70.0.7.53.611.43.414.45.08.51.4
41-50 years ago2.51.78.68.20.0.0.0.0.0.0.0.6.05.812.28.17.75.20.0.0.0.16.25.02.11.54.22.95.11.1
over 50 years ago7.42.90.0.0.0.11.47.60.0.20.110.522.411.30.0.9.96.68.48.116.910.937.96.613.93.743.07.118.51.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago53.91.764.03.069.12.872.52.277.21.743.13.154.82.147.82.426.32.334.23.630.63.319.91.525.11.410.91.041.60.5
11-20 years ago18.41.317.82.413.42.116.31.813.61.419.02.515.61.619.01.920.32.116.42.917.12.611.61.218.51.38.00.915.40.4
21-30 years ago15.31.29.71.97.71.57.81.35.80.910.92.011.01.313.41.612.91.86.91.914.22.511.91.213.81.112.21.111.60.4
31-40 years ago4.90.72.91.13.31.11.50.62.00.69.21.85.81.06.11.111.31.710.92.46.31.710.21.28.80.98.70.96.70.3
41-50 years ago1.80.54.61.43.01.10.30.30.80.45.41.32.50.73.40.97.81.47.42.06.61.811.51.26.10.88.80.95.20.3
over 50 years ago5.60.80.80.63.51.11.70.60.70.312.52.110.31.310.21.521.42.224.23.325.23.034.91.827.71.551.31.619.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859151/325482
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 10 years ago55.01.964.43.167.63.075.72.377.71.742.94.947.42.947.83.521.23.126.54.421.14.318.02.421.01.99.31.747.50.7
11-20 years ago18.91.517.82.613.52.215.51.913.21.421.84.113.62.016.92.615.52.712.73.314.03.78.31.715.01.69.31.714.80.6
21-30 years ago15.31.49.41.98.01.76.31.35.81.05.52.214.42.114.22.410.92.410.83.112.73.514.62.213.41.615.52.111.40.5
31-40 years ago4.90.82.71.13.21.21.20.61.90.69.02.86.61.45.71.610.02.36.82.56.72.710.51.99.81.410.31.85.80.4
41-50 years ago1.50.54.21.43.01.10.0.0.70.33.51.72.00.82.51.16.91.97.62.66.82.712.72.16.91.210.01.74.10.3
over 50 years ago4.40.81.40.84.71.41.40.60.70.317.43.716.02.113.02.335.53.735.74.738.75.035.93.034.02.245.72.916.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago44.44.950.614.580.47.957.77.965.18.940.44.259.83.046.73.527.73.233.35.333.04.419.92.026.12.29.71.129.40.9
11-20 years ago18.03.816.410.67.85.320.26.420.87.616.53.117.52.322.02.921.33.019.94.617.63.512.51.620.62.16.40.915.00.7
21-30 years ago14.03.524.912.63.93.912.45.27.14.915.13.17.31.610.62.212.82.43.82.113.13.29.61.514.41.810.01.110.90.6
31-40 years ago5.02.20.0.0.0.4.83.33.83.79.32.44.71.35.91.611.72.314.03.96.82.49.81.56.61.37.21.07.50.5
41-50 years ago4.82.18.17.83.93.92.82.73.13.17.22.13.21.13.51.39.92.28.93.26.12.311.21.65.51.28.71.17.20.5
over 50 years ago13.83.40.0.3.93.92.22.20.0.11.62.87.51.611.22.216.72.720.14.623.44.037.02.426.72.257.91.930.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago53.85.664.214.523.720.935.410.9100.0.52.813.142.613.233.411.231.79.453.614.039.612.016.35.034.95.121.65.837.02.4
11-20 years ago13.93.917.911.653.024.921.49.50.0.14.99.714.19.310.57.126.59.215.110.114.98.012.64.521.84.49.64.116.41.8
21-30 years ago16.44.20.0.0.0.26.610.20.0.6.66.47.97.633.311.216.77.60.0.12.28.38.83.812.53.57.63.712.51.6
31-40 years ago6.12.69.38.923.320.60.0.0.0.5.65.57.16.910.57.14.34.28.58.20.0.7.43.510.83.313.84.98.11.3
41-50 years ago2.41.78.68.20.0.0.0.0.0.0.0.6.05.812.28.17.45.00.0.0.0.16.04.92.01.44.12.84.91.0
over 50 years ago7.32.90.0.0.0.16.68.70.0.20.110.522.411.30.0.13.47.222.711.733.412.039.06.518.04.143.36.921.12.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago53.71.763.83.068.02.872.12.277.21.742.23.053.02.146.72.425.02.231.13.328.63.118.91.524.41.410.20.940.10.5
11-20 years ago18.31.317.82.413.62.116.21.813.61.418.62.415.41.519.01.919.02.015.72.715.92.411.01.217.91.27.40.814.90.4
21-30 years ago15.21.29.71.97.61.57.81.35.80.910.61.910.91.313.31.612.21.77.21.912.92.311.31.213.71.111.51.011.30.4
31-40 years ago5.00.72.91.13.21.11.50.62.00.68.91.75.71.05.91.110.51.69.82.26.21.69.81.18.60.98.40.96.60.3
41-50 years ago1.90.54.61.43.01.10.30.30.80.45.21.32.60.73.30.98.41.47.61.95.91.612.11.25.90.88.80.95.30.3
over 50 years ago5.80.81.30.74.61.32.20.70.70.314.52.212.21.311.61.524.92.228.53.330.53.136.81.829.51.553.71.521.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859152/325483
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