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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 ago43.71.758.53.160.82.965.12.373.71.717.72.424.11.823.32.09.41.514.02.58.71.96.60.910.41.02.70.527.10.4
11-20 years ago15.01.216.22.412.22.013.31.712.61.39.01.86.91.18.21.36.91.36.71.85.81.63.00.67.50.92.70.58.40.3
21-30 years ago12.11.18.51.87.21.55.41.15.50.92.30.97.31.16.91.24.91.15.71.75.21.55.30.86.70.84.40.66.50.3
31-40 years ago3.90.72.51.02.91.11.00.51.80.53.71.23.40.72.80.84.51.13.61.32.81.13.80.74.90.73.00.53.30.2
41-50 years ago1.20.43.81.32.71.00.0.0.70.31.40.71.00.41.20.53.10.94.01.42.81.14.60.83.40.62.90.52.30.2
over 50 years ago3.50.61.30.74.31.31.20.50.70.37.21.68.11.16.31.215.81.818.92.816.02.413.11.316.91.213.11.09.30.3
total79.31.390.71.890.01.886.01.794.90.941.33.150.92.148.72.444.52.553.03.541.23.236.41.749.81.628.61.357.00.5
inside perimeterless than 10 years ago5.10.72.41.06.91.65.41.13.10.721.32.627.81.922.12.013.61.813.32.416.82.511.11.210.71.06.50.810.90.4
11-20 years ago2.10.50.80.60.70.51.90.71.00.48.71.78.21.110.41.510.51.67.92.09.01.97.00.98.40.94.30.65.60.3
21-30 years ago1.60.41.20.70.30.31.20.50.30.28.01.73.40.85.01.16.31.21.50.96.71.75.40.85.90.86.70.84.10.2
31-40 years ago0.60.30.0.0.0.0.50.30.20.24.91.32.20.62.80.85.71.25.61.63.41.25.50.82.70.54.80.72.80.2
41-50 years ago0.60.20.40.40.30.30.30.30.10.13.81.11.50.51.70.64.91.13.61.33.11.26.30.92.30.55.80.72.70.2
over 50 years ago1.60.40.0.0.30.30.20.20.0.6.11.53.50.85.31.18.21.48.02.011.92.220.71.510.91.038.51.511.20.3
total11.51.14.81.38.61.79.41.44.70.952.83.146.52.147.32.449.42.539.93.550.93.456.01.840.91.666.51.437.30.5
outside perimeterless than 10 years ago4.90.72.91.10.30.31.60.60.30.23.11.11.10.41.30.51.90.73.81.43.11.21.20.43.30.61.10.32.10.2
11-20 years ago1.30.40.80.60.80.51.00.50.0.0.90.60.40.30.40.31.60.71.10.81.20.71.00.42.00.50.50.20.90.1
21-30 years ago1.50.40.0.0.0.1.20.50.0.0.40.40.20.21.30.51.00.50.0.1.00.70.70.31.20.40.40.20.70.1
31-40 years ago0.60.20.40.40.30.30.0.0.0.0.30.30.20.20.40.30.30.30.60.60.0.0.60.31.00.30.70.30.50.1
41-50 years ago0.20.20.40.40.0.0.0.0.0.0.0.0.20.20.50.30.50.30.0.0.0.1.20.40.20.10.20.10.30.1
over 50 years ago0.70.30.0.0.0.0.70.40.0.1.20.70.60.30.0.0.80.51.60.92.61.23.00.61.70.42.10.41.20.1
total9.21.04.51.31.40.74.51.00.30.25.91.52.60.74.00.96.11.27.11.87.81.97.61.09.30.94.90.75.70.3
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 #859081/325412
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/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago46.31.852.03.356.93.268.82.471.51.916.72.824.62.022.42.311.32.010.12.97.52.24.71.011.51.33.10.730.10.5
11-20 years ago15.01.323.92.915.32.413.61.814.21.58.42.012.11.511.71.85.51.49.02.75.72.03.60.88.31.12.10.610.30.4
21-30 years ago6.70.96.31.67.81.82.00.75.31.03.91.43.20.84.21.15.21.46.92.54.92.01.60.65.10.90.80.34.20.3
31-40 years ago4.50.82.71.13.81.20.80.51.90.62.41.13.90.93.10.92.41.03.81.91.81.02.10.63.80.81.50.52.80.2
41-50 years ago3.10.61.80.91.90.90.0.0.90.42.91.22.40.72.40.83.11.12.71.51.71.21.80.62.30.61.30.52.00.2
over 50 years ago2.70.63.81.33.31.21.10.61.10.54.31.54.10.95.11.27.01.612.73.26.72.211.11.410.71.27.51.15.60.3
total78.31.590.91.989.42.186.31.895.00.938.73.550.42.348.92.734.53.045.24.728.43.924.81.941.72.016.31.555.20.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago5.30.81.30.86.91.75.51.22.50.723.43.023.52.021.02.219.12.513.03.321.13.614.61.69.81.28.01.111.20.4
11-20 years ago1.80.51.80.91.20.72.30.80.90.411.62.311.71.511.41.79.01.810.02.913.72.99.51.310.91.34.80.96.50.3
21-30 years ago1.10.40.40.40.0.0.80.51.00.45.51.54.51.04.61.19.41.87.42.67.82.36.31.17.61.15.60.94.10.3
31-40 years ago1.10.40.90.60.40.40.60.40.0.5.11.51.90.73.51.04.91.43.51.74.21.74.10.94.80.94.40.82.70.2
41-50 years ago0.70.30.0.0.40.40.0.0.0.3.61.31.50.62.20.85.61.53.71.84.01.85.31.03.50.77.11.02.70.2
over 50 years ago2.10.50.0.0.0.0.30.30.20.25.51.73.50.83.81.010.21.97.62.610.52.625.31.911.11.347.52.011.20.4
total12.01.24.41.48.91.99.51.64.60.954.63.646.72.346.52.758.33.145.14.861.34.365.02.147.72.077.31.738.40.6
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 ago5.00.82.41.10.80.62.30.80.40.31.90.91.80.61.80.74.31.34.92.14.31.83.00.82.50.61.70.52.50.2
11-20 years ago1.70.51.40.80.0.0.80.40.0.1.71.00.20.21.10.50.40.41.91.32.31.41.20.52.30.60.30.21.00.1
21-30 years ago0.90.40.0.0.50.50.30.30.0.0.50.50.0.0.0.1.20.71.01.01.30.90.60.32.00.60.20.20.60.1
31-40 years ago0.60.30.0.0.0.0.60.40.0.0.50.50.0.0.80.50.40.40.0.0.60.60.40.31.50.50.60.30.50.1
41-50 years ago0.30.20.0.0.40.40.0.0.0.0.40.40.0.0.60.40.0.1.01.00.0.1.00.40.80.30.50.30.40.1
over 50 years ago1.20.40.90.60.0.0.30.30.0.1.71.00.90.40.30.30.90.60.90.91.71.24.10.91.60.53.00.71.40.2
total9.71.14.61.41.70.94.21.10.40.36.61.82.90.84.61.17.21.69.72.810.32.710.21.310.61.26.31.06.40.3
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 #859082/325413
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/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago45.81.852.43.356.63.268.92.471.71.916.42.724.41.922.42.211.51.99.92.67.32.16.41.010.81.22.90.628.70.5
11-20 years ago15.21.323.92.915.12.313.51.814.21.58.52.012.11.511.81.76.51.48.22.45.81.93.50.88.51.01.90.510.10.4
21-30 years ago7.00.96.21.67.91.82.00.75.21.06.11.73.10.84.51.15.61.48.92.55.01.91.90.66.20.91.80.54.70.3
31-40 years ago4.70.82.71.14.01.20.80.51.90.62.31.03.90.93.20.92.81.03.91.72.91.33.20.74.90.82.80.63.30.2
41-50 years ago3.10.61.80.92.21.00.0.0.90.43.31.22.70.72.60.83.41.12.31.31.51.12.70.72.80.61.80.52.30.2
over 50 years ago3.00.63.71.33.51.21.10.61.10.44.01.45.31.05.71.210.61.814.53.19.22.412.51.411.31.210.21.16.90.3
total78.81.491.11.989.82.086.31.895.10.940.53.551.52.250.22.640.32.947.74.431.83.830.11.944.51.821.31.555.90.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago5.10.81.30.76.61.65.51.22.50.722.22.822.71.920.62.117.02.213.83.118.83.213.41.49.61.17.41.010.70.4
11-20 years ago1.90.51.80.91.20.72.30.80.90.410.82.211.81.510.71.68.21.610.72.712.92.68.31.19.81.14.20.76.20.3
21-30 years ago1.00.40.40.40.0.0.80.51.00.45.51.54.30.94.31.19.21.76.12.17.62.16.11.07.11.05.90.94.20.3
31-40 years ago1.10.40.90.60.40.40.60.40.0.5.41.51.80.63.51.04.21.23.71.63.81.64.80.95.20.85.40.83.00.2
41-50 years ago0.60.30.0.0.40.40.0.0.0.3.41.21.50.62.30.84.91.33.01.53.61.65.10.93.10.66.60.92.70.2
over 50 years ago2.00.50.0.0.0.0.30.30.20.26.11.73.60.84.11.09.61.77.02.312.52.723.01.710.81.243.21.811.20.4
total11.71.14.41.38.51.89.51.54.50.953.33.545.72.245.52.653.12.944.34.459.04.160.82.045.51.872.71.638.00.6
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 ago4.80.82.31.00.80.62.30.80.40.31.80.91.70.61.70.73.71.14.01.83.91.62.60.72.50.61.50.52.40.2
11-20 years ago1.80.51.30.80.0.0.80.40.0.1.50.90.20.21.00.50.70.51.61.12.11.21.00.41.90.50.50.31.00.1
21-30 years ago0.90.30.0.0.50.50.30.30.0.0.50.50.0.0.0.1.00.60.80.81.10.80.50.31.90.50.30.20.60.1
31-40 years ago0.60.30.0.0.0.0.60.40.0.0.50.50.0.0.80.40.40.40.0.0.50.50.40.31.20.40.50.30.50.1
41-50 years ago0.20.20.0.0.40.40.0.0.0.0.40.40.0.0.60.40.0.0.80.80.0.1.00.40.70.30.50.30.40.1
over 50 years ago1.10.40.90.60.0.0.30.30.0.1.60.90.90.40.30.30.70.50.80.81.51.13.50.81.80.52.60.61.30.2
total9.41.14.51.41.70.84.21.10.40.36.21.72.80.84.31.06.61.58.02.49.22.49.11.210.01.16.00.96.10.3
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 #859083/325414
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
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/a0.0.0.40.40.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago45.71.852.83.356.43.268.92.471.51.916.62.624.41.922.82.211.71.910.12.67.82.06.91.010.81.12.90.628.30.5
11-20 years ago15.41.323.92.815.02.313.41.814.41.59.22.012.11.412.01.76.91.47.72.35.31.83.40.78.01.02.00.510.00.4
21-30 years ago7.10.96.11.68.31.81.90.75.20.96.41.73.30.84.61.16.31.49.22.56.52.02.60.77.10.91.80.55.00.3
31-40 years ago4.80.82.61.14.01.20.80.51.90.62.21.04.00.93.10.93.01.04.41.83.21.33.80.84.70.83.40.63.50.2
41-50 years ago3.00.61.70.92.21.00.0.0.90.43.21.22.60.73.00.93.31.02.11.22.01.23.30.72.80.62.00.52.40.2
over 50 years ago3.10.63.71.33.51.21.10.51.30.54.01.46.21.06.01.210.81.813.72.910.22.313.11.412.51.211.51.17.50.3
total79.01.491.31.989.92.086.21.895.10.941.63.452.62.251.52.642.02.847.24.235.03.733.21.845.81.823.71.556.60.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago5.00.81.30.76.61.65.51.22.50.721.82.822.01.819.92.116.32.113.73.017.83.012.61.39.41.17.10.910.40.4
11-20 years ago2.00.51.70.91.20.72.30.80.90.410.62.111.51.410.31.67.91.611.52.711.82.47.81.19.31.04.00.76.10.3
21-30 years ago1.00.40.40.40.0.0.80.50.90.45.41.54.40.94.51.18.91.65.82.06.92.05.90.96.90.95.70.84.10.3
31-40 years ago1.00.40.90.60.40.40.60.40.0.5.31.51.70.63.40.94.01.23.51.53.51.44.60.84.90.85.10.82.90.2
41-50 years ago0.60.30.0.0.40.40.0.0.0.3.31.11.40.52.30.74.71.22.81.43.31.55.20.93.10.66.40.92.60.2
over 50 years ago2.00.50.0.0.0.0.30.30.20.26.01.63.70.83.91.09.91.78.02.313.32.622.11.710.71.142.21.711.30.4
total11.71.14.31.38.51.89.41.54.50.952.43.444.72.244.32.651.72.945.34.256.63.958.21.944.31.870.51.637.40.5
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 ago4.70.82.31.00.80.62.30.80.40.31.70.81.70.61.60.73.61.13.81.73.51.52.50.62.50.61.40.42.30.2
11-20 years ago1.80.51.30.70.0.0.80.40.0.1.50.90.20.21.00.50.70.51.51.01.91.11.00.41.80.50.60.31.00.1
21-30 years ago0.90.30.0.0.50.50.30.30.0.0.40.40.0.0.0.1.00.60.80.81.00.70.50.31.90.50.20.20.60.1
31-40 years ago0.60.30.0.0.0.0.60.40.0.0.40.40.0.0.70.40.30.30.0.0.50.50.50.31.20.40.50.20.50.1
41-50 years ago0.20.20.0.0.40.40.0.0.0.0.40.40.0.0.50.40.0.0.80.80.0.1.00.40.60.30.50.30.40.1
over 50 years ago1.10.40.90.60.0.0.60.40.0.1.50.90.80.40.20.20.70.50.70.71.41.03.30.71.80.52.50.61.30.1
total9.31.04.51.41.70.84.41.10.40.36.01.72.70.74.11.06.31.47.52.28.42.28.71.19.81.15.80.86.00.3
totaln/a0.0.0.40.40.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.41.856.43.363.73.176.62.274.41.840.13.348.12.244.32.631.62.727.53.929.23.621.91.722.71.511.41.141.00.6
11-20 years ago19.21.426.92.916.22.416.41.915.31.521.32.823.81.923.42.215.52.120.73.419.03.012.21.319.11.46.60.917.10.5
21-30 years ago9.01.06.51.68.71.93.00.96.11.012.32.27.71.29.11.516.22.115.73.114.52.89.01.216.01.37.80.99.70.4
31-40 years ago6.40.93.51.24.41.31.90.71.90.68.01.85.71.07.31.37.41.57.92.37.21.98.91.210.71.19.01.06.80.3
41-50 years ago3.90.71.70.93.01.10.0.0.90.46.91.74.00.95.81.28.01.65.82.05.31.89.51.26.50.99.01.05.40.3
over 50 years ago6.20.94.51.43.51.22.00.71.40.511.52.210.71.410.21.621.42.422.43.624.93.438.52.025.11.656.21.820.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859084/325415
NFI4
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
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/a0.0.0.50.50.40.40.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago45.61.852.23.355.93.168.22.471.71.915.52.523.61.921.62.210.51.77.52.06.11.75.90.99.31.02.60.526.30.5
11-20 years ago15.21.323.82.814.92.313.61.814.21.58.01.911.61.411.41.66.41.36.81.95.51.63.40.77.20.91.90.59.40.4
21-30 years ago7.00.96.11.67.81.82.20.85.21.06.61.72.90.84.41.15.91.39.22.24.41.61.70.55.50.82.40.54.60.3
31-40 years ago4.70.82.71.14.01.20.80.51.90.62.61.13.80.93.10.92.80.96.01.84.21.44.30.85.00.84.50.73.80.2
41-50 years ago3.20.61.70.92.21.00.0.0.90.43.11.22.60.72.70.84.61.11.71.01.71.03.20.74.10.73.10.62.70.2
over 50 years ago3.20.64.21.44.81.41.40.61.10.46.61.77.21.16.91.315.42.020.03.016.62.616.21.418.41.314.31.110.10.4
total78.81.491.11.989.91.986.31.895.10.942.33.451.92.250.12.645.42.751.33.838.73.434.81.849.41.728.81.457.00.5
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 ago5.10.81.30.76.51.65.41.22.50.721.02.722.01.820.12.115.12.011.72.515.12.612.11.38.51.06.20.89.90.4
11-20 years ago1.90.51.70.91.20.72.30.80.90.410.22.011.71.410.31.67.51.59.32.210.62.27.41.08.30.93.50.65.80.3
21-30 years ago1.00.40.40.40.0.0.80.51.00.45.21.44.20.94.51.18.51.55.81.86.31.75.50.96.00.84.80.73.90.2
31-40 years ago1.10.40.90.60.40.40.60.40.0.5.11.51.90.63.71.03.71.13.41.42.91.24.50.85.10.85.30.73.00.2
41-50 years ago0.60.30.0.0.40.40.0.0.0.3.21.11.60.62.30.74.31.12.31.13.31.34.80.82.80.66.00.82.60.2
over 50 years ago2.00.50.0.0.0.0.30.30.20.27.11.84.00.95.01.19.41.68.92.214.82.622.51.610.71.140.21.611.90.4
total11.71.14.31.38.41.89.31.54.50.951.83.445.42.245.82.648.72.741.43.753.03.656.91.941.41.766.01.537.10.5
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 ago4.70.82.31.00.80.62.20.80.40.31.70.81.70.61.60.73.31.03.11.43.01.22.50.62.10.51.20.42.20.2
11-20 years ago1.90.51.30.80.0.0.80.40.0.1.50.90.20.21.00.50.60.41.20.81.61.00.90.41.60.40.50.21.00.1
21-30 years ago0.90.30.0.0.50.50.30.30.0.0.40.40.0.0.0.0.90.50.60.60.90.60.40.31.70.50.20.10.50.1
31-40 years ago0.60.30.0.0.0.0.60.40.0.0.40.40.0.0.70.40.30.30.0.0.40.40.30.21.20.40.40.20.40.1
41-50 years ago0.20.20.0.0.40.40.0.0.0.0.40.40.0.0.50.40.0.0.60.60.0.0.90.40.60.30.50.20.40.1
over 50 years ago1.10.40.90.60.0.0.60.40.0.1.50.90.80.40.20.20.70.51.81.02.41.23.20.72.00.52.30.51.40.1
total9.51.14.51.41.60.84.41.10.40.35.81.62.70.74.11.05.91.37.32.08.32.08.31.19.21.05.20.75.90.3
totaln/a0.0.0.50.50.40.40.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.41.855.83.363.23.175.92.274.61.838.23.247.22.243.32.628.92.522.33.224.23.120.51.619.91.410.01.038.40.6
11-20 years ago19.01.426.83.016.12.416.61.915.21.519.62.723.61.922.72.214.61.917.32.917.82.811.81.317.11.35.90.816.10.5
21-30 years ago8.91.06.61.68.21.83.30.96.21.012.32.27.11.28.81.515.32.015.62.811.62.37.71.013.21.27.50.99.10.4
31-40 years ago6.30.93.61.24.41.31.90.71.90.68.11.85.71.07.51.46.81.49.42.27.61.89.21.111.31.110.21.07.30.3
41-50 years ago4.10.71.70.93.01.10.0.0.90.46.61.64.20.95.51.28.91.64.71.65.01.68.91.17.40.99.61.05.70.3
over 50 years ago6.40.95.11.54.81.42.20.81.20.515.22.412.01.412.11.725.52.430.73.633.73.441.92.031.11.656.81.623.40.5
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 #859085/325416
NFI4
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
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/a0.0.0.40.40.40.40.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago45.41.852.63.355.83.168.22.471.41.915.72.523.91.921.92.110.91.77.52.06.21.66.30.99.61.02.60.526.00.5
11-20 years ago15.31.323.82.814.82.313.51.814.61.58.71.911.61.411.81.66.71.38.62.15.71.63.40.77.10.92.00.59.50.4
21-30 years ago7.00.96.01.68.11.82.20.85.10.96.91.73.40.84.71.16.41.310.12.27.11.82.80.66.70.82.70.55.10.3
31-40 years ago4.70.82.61.14.01.20.80.51.90.62.51.03.80.83.00.83.21.06.11.84.01.34.60.84.70.74.40.73.80.2
41-50 years ago3.20.61.70.92.21.00.0.0.90.43.01.12.50.72.90.94.31.13.31.31.60.93.80.73.90.63.10.62.80.2
over 50 years ago3.30.64.11.34.81.41.40.61.30.56.41.77.81.17.41.316.42.019.02.918.52.617.81.419.11.315.71.110.90.4
total79.01.491.31.990.01.986.11.895.20.943.43.353.12.251.82.548.02.754.63.642.93.338.61.851.11.630.51.458.10.5
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 ago5.00.81.30.76.41.65.41.22.50.720.62.721.31.819.42.014.41.911.32.414.02.511.21.28.20.96.10.89.60.4
11-20 years ago2.00.51.70.91.10.72.20.80.90.410.02.011.51.410.01.57.21.48.52.19.92.06.91.07.90.93.40.65.60.3
21-30 years ago1.00.40.40.40.0.0.80.50.90.45.11.44.20.94.31.08.11.55.41.75.91.65.30.86.00.84.80.73.90.2
31-40 years ago1.00.40.90.60.40.40.50.40.0.5.01.41.80.63.61.03.61.03.11.32.71.14.20.84.80.75.30.72.90.2
41-50 years ago0.60.30.0.0.40.40.0.0.0.3.11.11.60.62.20.74.11.12.11.03.11.34.60.82.60.55.80.82.50.2
over 50 years ago2.00.50.0.0.0.0.50.40.20.27.01.73.90.84.81.19.01.58.22.113.72.421.21.510.51.039.11.511.60.4
total11.61.14.31.38.41.89.51.54.50.950.93.344.32.144.32.546.42.738.73.549.33.553.51.839.91.664.41.536.10.5
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 ago4.70.82.31.00.80.62.20.80.40.31.60.81.60.61.60.63.20.92.81.32.81.22.30.62.10.51.20.42.10.2
11-20 years ago1.90.51.30.70.0.0.80.40.0.1.40.80.20.20.90.50.60.41.10.81.50.90.90.41.50.40.50.20.90.1
21-30 years ago0.90.30.0.0.50.50.30.30.0.0.40.40.0.0.0.0.90.50.60.60.80.60.40.21.70.40.20.10.50.1
31-40 years ago0.60.30.0.0.0.0.50.40.0.0.40.40.0.0.70.40.30.30.0.0.40.40.40.31.10.30.40.20.40.1
41-50 years ago0.20.20.0.0.40.40.0.0.0.0.40.40.0.0.50.40.0.0.60.60.0.0.90.40.50.20.50.20.30.1
over 50 years ago1.10.40.90.60.0.0.60.40.0.1.50.80.80.40.20.20.60.41.60.92.21.13.00.62.00.52.20.51.40.1
total9.41.04.41.41.60.84.41.10.40.35.71.62.60.74.01.05.61.36.71.87.71.97.91.09.01.05.10.75.70.3
totaln/a0.0.0.40.40.40.40.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.11.856.13.263.13.175.82.274.21.838.03.246.82.242.92.528.42.521.63.123.03.019.81.519.81.39.81.037.80.5
11-20 years ago19.21.426.82.915.92.416.51.915.51.520.12.723.31.922.72.114.51.918.22.817.12.611.11.216.51.25.90.816.00.4
21-30 years ago8.91.06.51.68.61.83.30.96.11.012.52.17.61.29.01.515.51.916.12.713.82.48.51.114.41.27.70.99.50.4
31-40 years ago6.30.93.51.24.31.31.90.71.90.68.01.85.71.07.31.37.11.49.22.17.11.79.31.110.61.010.11.07.20.3
41-50 years ago4.00.71.70.93.01.10.0.0.90.46.51.64.10.95.61.28.51.56.01.84.61.59.31.17.10.99.40.95.70.3
over 50 years ago6.40.95.01.44.81.42.50.81.40.514.92.412.51.412.51.726.12.428.93.434.43.342.01.931.61.557.01.623.80.5
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859086/325417
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
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/a0.0.0.40.40.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago45.71.852.83.356.43.269.02.471.51.916.22.624.41.922.52.211.31.88.42.26.81.86.51.09.61.02.80.626.90.5
11-20 years ago15.41.323.92.815.02.313.41.814.41.59.02.012.01.412.11.77.11.49.62.36.31.83.60.77.40.92.20.59.80.4
21-30 years ago7.10.96.11.68.31.81.90.75.20.97.11.73.30.84.81.16.31.410.82.47.92.02.80.77.00.92.80.55.20.3
31-40 years ago4.80.82.61.14.01.20.80.51.90.62.21.04.00.93.10.93.11.06.21.94.41.44.90.94.80.74.70.73.90.2
41-50 years ago3.00.61.70.92.21.00.0.0.90.43.11.22.60.72.90.94.61.21.81.01.81.03.90.84.10.73.10.62.80.2
over 50 years ago3.10.63.71.33.51.21.10.51.30.55.31.66.51.16.71.312.91.916.52.916.22.614.61.418.21.312.51.19.20.4
total79.01.491.31.989.92.086.21.895.10.942.83.452.82.252.22.645.42.853.33.843.33.536.31.851.01.728.01.457.90.5
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 ago5.00.81.30.76.61.65.41.22.50.721.22.722.01.819.62.015.32.011.42.515.52.711.91.38.51.06.50.810.00.4
11-20 years ago2.00.51.70.91.20.72.30.80.90.410.32.111.41.410.21.67.41.59.62.310.32.17.41.08.20.93.60.65.80.3
21-30 years ago1.00.40.40.40.0.0.80.50.90.45.31.44.30.94.41.18.31.55.51.86.01.75.60.96.20.85.20.74.00.2
31-40 years ago1.00.40.90.60.40.40.60.40.0.5.21.51.70.63.40.93.81.13.51.43.01.24.50.84.50.75.60.83.00.2
41-50 years ago0.60.30.0.0.40.40.0.0.0.3.21.11.40.52.20.74.41.22.41.22.81.34.90.92.70.56.10.82.50.2
over 50 years ago2.00.50.0.0.0.0.30.30.20.26.21.63.60.83.91.09.31.68.02.111.62.321.11.610.01.039.71.611.10.4
total11.71.14.31.38.51.89.41.54.50.951.33.444.52.243.82.548.72.840.43.849.33.655.41.940.11.666.71.536.30.5
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 ago4.70.82.31.00.80.62.30.80.40.31.70.81.60.61.60.73.41.03.21.43.11.32.30.62.20.51.30.42.20.2
11-20 years ago1.80.51.30.70.0.0.80.40.0.1.50.90.20.21.00.50.60.51.20.91.71.00.90.41.60.40.60.30.90.1
21-30 years ago0.90.30.0.0.50.50.30.30.0.0.40.40.0.0.0.0.90.50.70.70.90.60.40.31.80.50.20.20.60.1
31-40 years ago0.60.30.0.0.0.0.60.40.0.0.40.40.0.0.70.40.30.30.0.0.40.40.50.31.10.40.40.20.50.1
41-50 years ago0.20.20.0.0.40.40.0.0.0.0.40.40.0.0.50.40.0.0.70.70.0.0.90.40.50.20.60.30.40.1
over 50 years ago1.10.40.90.60.0.0.60.40.0.1.50.90.80.40.20.20.70.50.60.61.20.93.10.71.60.42.20.51.30.1
total9.31.04.51.41.70.84.41.10.40.35.91.62.70.74.11.06.01.36.31.97.31.98.21.18.91.05.30.85.80.3
totaln/a0.0.0.40.40.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.41.856.43.363.73.176.72.274.41.839.03.348.12.243.72.630.02.623.13.325.53.220.81.620.31.410.61.039.10.6
11-20 years ago19.21.426.92.916.22.416.41.915.31.520.72.723.61.923.32.215.22.020.43.118.22.811.81.317.21.36.40.816.50.5
21-30 years ago9.01.06.51.68.71.93.00.96.11.012.82.27.61.29.31.515.62.016.92.914.82.68.91.114.91.28.20.99.70.4
31-40 years ago6.40.93.51.24.41.31.90.71.90.67.71.85.71.07.21.37.31.59.72.37.81.99.81.210.41.010.81.07.30.3
41-50 years ago3.90.71.70.93.01.10.0.0.90.46.71.64.00.95.71.29.01.64.81.74.61.69.81.27.30.99.71.05.70.3
over 50 years ago6.20.94.51.43.51.22.00.71.40.513.12.311.01.410.91.622.92.425.03.429.13.338.91.929.81.554.41.721.60.5
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 #859087/325418
NFI3
forest area
processes in channels 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago48.01.669.61.324.11.310.00.73.00.628.70.5
11-20 years ago15.71.212.41.08.50.96.10.52.90.68.80.4
21-30 years ago10.31.05.60.76.00.75.60.54.50.76.30.3
31-40 years ago3.70.61.60.43.20.54.00.43.20.63.20.2
41-50 years ago1.40.40.90.31.30.33.60.42.60.52.20.2
over 50 years ago2.40.51.20.36.30.713.90.810.21.07.80.3
total81.51.291.30.849.41.543.21.126.41.457.10.5
inside perimeterless than 10 years ago4.80.74.40.624.71.312.60.76.10.811.10.4
11-20 years ago1.50.41.40.38.60.89.00.65.20.85.80.3
21-30 years ago1.70.40.40.24.80.75.70.57.30.94.20.3
31-40 years ago0.50.20.20.13.10.54.40.44.80.72.80.2
41-50 years ago0.60.20.30.11.60.44.20.46.20.82.70.2
over 50 years ago1.10.30.20.13.70.612.60.738.61.610.50.4
total10.20.96.90.746.61.548.61.168.21.537.00.5
outside perimeterless than 10 years ago4.30.60.80.31.80.42.60.41.10.42.20.2
11-20 years ago1.30.40.50.20.40.21.80.30.60.31.00.1
21-30 years ago1.30.40.30.20.60.20.80.20.30.20.70.1
31-40 years ago0.60.20.10.10.40.20.70.20.80.30.50.1
41-50 years ago0.30.20.0.0.30.20.50.20.20.20.30.1
over 50 years ago0.60.20.20.10.60.21.80.32.30.51.20.1
total8.40.91.80.44.00.68.20.65.40.85.90.3
totalless than 10 years ago57.01.674.81.350.61.525.21.010.21.042.00.6
11-20 years ago18.61.214.31.017.51.216.90.88.71.015.60.5
21-30 years ago13.31.16.30.711.41.012.20.712.11.111.20.4
31-40 years ago4.80.71.80.46.70.89.10.68.91.06.60.3
41-50 years ago2.30.51.10.33.10.58.40.69.01.05.20.3
over 50 years ago4.10.61.60.410.60.928.31.051.11.719.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859088/325419
NFI3
forest area
processes in channels 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago48.01.669.61.324.41.310.90.73.10.630.10.5
11-20 years ago15.71.212.41.08.50.96.30.62.20.59.00.4
21-30 years ago10.31.05.60.75.90.75.30.52.90.66.00.3
31-40 years ago3.70.61.60.43.30.53.10.41.90.52.80.2
41-50 years ago1.40.40.90.31.30.32.30.31.50.41.60.2
over 50 years ago2.40.51.20.35.60.710.60.79.81.16.30.3
total81.51.291.30.849.01.538.41.121.31.555.80.6
inside perimeterless than 10 years ago4.80.74.40.625.01.313.80.86.80.911.60.4
11-20 years ago1.50.41.40.38.60.99.90.75.70.86.00.3
21-30 years ago1.70.40.40.24.90.76.20.67.41.04.20.3
31-40 years ago0.50.20.20.13.10.54.70.55.00.82.80.2
41-50 years ago0.60.20.30.11.60.44.50.56.20.92.70.2
over 50 years ago1.10.30.20.13.70.613.50.841.61.810.60.4
total10.20.96.90.747.01.552.61.172.71.638.00.6
outside perimeterless than 10 years ago4.30.60.80.31.80.42.90.41.20.42.30.2
11-20 years ago1.30.40.50.20.40.21.90.30.70.31.10.1
21-30 years ago1.30.40.30.20.60.20.90.20.40.20.70.1
31-40 years ago0.60.20.10.10.40.20.80.20.80.30.50.1
41-50 years ago0.30.20.0.0.30.20.60.20.30.20.30.1
over 50 years ago0.60.20.20.10.60.22.00.32.60.61.20.1
total8.40.91.80.44.10.69.00.76.00.96.20.3
totalless than 10 years ago57.01.674.81.351.31.527.51.011.01.144.00.6
11-20 years ago18.61.214.31.017.51.218.10.98.61.016.10.5
21-30 years ago13.31.16.40.711.41.012.30.810.71.110.90.4
31-40 years ago4.80.71.80.46.80.88.50.67.71.06.20.3
41-50 years ago2.30.51.10.33.20.57.40.68.01.04.60.3
over 50 years ago4.10.61.60.49.90.926.11.054.01.818.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859089/325420
NFI3
forest area
processes in channels 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
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago47.01.568.61.323.31.29.70.62.90.528.10.5
11-20 years ago15.41.112.70.98.00.86.20.52.80.58.70.3
21-30 years ago11.41.05.90.76.20.76.00.54.60.76.70.3
31-40 years ago3.50.61.70.43.30.54.40.43.00.63.40.2
41-50 years ago1.60.40.90.31.20.33.60.42.40.52.20.2
over 50 years ago2.80.51.30.35.90.714.30.710.51.08.00.3
total81.71.291.00.848.01.444.11.026.21.457.10.5
inside perimeterless than 10 years ago4.60.64.60.625.01.212.50.77.00.811.20.4
11-20 years ago1.80.41.20.39.00.88.70.64.70.75.70.3
21-30 years ago1.50.40.60.24.80.65.70.57.20.84.10.2
31-40 years ago0.50.20.20.13.00.54.50.44.90.72.80.2
41-50 years ago0.50.20.20.11.90.43.90.46.20.82.70.2
over 50 years ago1.30.30.10.14.30.612.60.738.61.610.60.3
total10.20.97.10.748.11.447.91.068.61.537.20.5
outside perimeterless than 10 years ago4.40.60.80.21.70.42.60.31.10.32.20.2
11-20 years ago1.20.30.50.20.50.21.60.30.50.21.00.1
21-30 years ago1.20.30.40.20.70.20.90.20.40.20.80.1
31-40 years ago0.50.20.10.10.30.20.70.20.70.30.50.1
41-50 years ago0.30.20.0.0.20.10.50.20.20.20.30.1
over 50 years ago0.50.20.20.10.50.21.60.32.20.51.10.1
total8.10.81.90.43.90.68.00.65.10.75.80.3
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 #859090/325421
NFI3
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago47.01.568.61.323.61.210.60.72.90.629.40.5
11-20 years ago15.41.112.70.98.00.86.40.52.10.58.90.3
21-30 years ago11.41.05.90.76.20.75.50.53.00.66.40.3
31-40 years ago3.50.61.70.43.40.53.50.41.90.52.90.2
41-50 years ago1.60.40.90.31.20.32.30.31.40.41.60.2
over 50 years ago2.80.51.30.35.30.611.20.710.11.06.60.3
total81.71.291.00.847.51.439.41.021.41.455.80.5
inside perimeterless than 10 years ago4.60.64.60.625.31.213.80.77.70.911.80.4
11-20 years ago1.80.41.20.39.00.89.50.65.10.86.00.3
21-30 years ago1.50.40.60.24.90.66.20.57.40.94.20.2
31-40 years ago0.50.20.20.13.00.54.80.55.10.72.90.2
41-50 years ago0.50.20.20.12.00.44.20.46.30.82.70.2
over 50 years ago1.30.30.10.14.30.613.40.741.41.710.70.3
total10.20.97.10.748.51.451.81.172.91.538.20.5
outside perimeterless than 10 years ago4.40.60.80.21.70.42.90.41.20.42.30.2
11-20 years ago1.20.30.50.20.50.21.70.30.60.31.00.1
21-30 years ago1.20.30.40.20.70.21.00.20.50.20.80.1
31-40 years ago0.50.20.10.10.30.20.80.20.70.30.50.1
41-50 years ago0.30.20.0.0.20.10.60.20.20.20.30.1
over 50 years ago0.50.20.20.10.50.21.80.32.50.51.10.1
total8.10.81.90.43.90.68.70.65.60.86.00.3
totalless than 10 years ago56.01.574.01.250.61.427.31.011.81.143.50.6
11-20 years ago18.41.214.41.017.51.117.60.87.80.915.80.4
21-30 years ago14.11.06.90.711.70.912.60.710.81.111.30.4
31-40 years ago4.50.62.00.46.70.79.10.67.70.96.30.3
41-50 years ago2.40.51.10.33.40.57.10.67.90.94.60.3
over 50 years ago4.50.61.60.310.10.926.41.054.01.718.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859091/325422
NFI3
forest area
processes in channels 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago48.31.669.81.325.01.410.70.83.70.831.80.6
11-20 years ago15.41.212.31.07.90.95.90.61.30.58.80.4
21-30 years ago10.21.05.50.75.80.74.10.51.50.55.50.3
31-40 years ago3.60.61.50.43.10.52.40.41.00.42.40.2
41-50 years ago1.50.40.90.31.20.32.00.31.20.41.40.2
over 50 years ago2.00.51.20.34.80.79.20.77.71.15.20.3
total81.01.391.10.847.71.634.21.216.31.555.10.6
inside perimeterless than 10 years ago4.80.74.50.626.11.415.20.97.31.012.30.4
11-20 years ago1.60.41.40.48.80.910.70.85.70.96.20.3
21-30 years ago1.80.40.40.24.90.75.90.66.51.03.90.3
31-40 years ago0.50.20.20.13.20.65.10.55.10.92.90.2
41-50 years ago0.60.20.30.11.60.45.00.56.81.02.80.2
over 50 years ago1.10.30.20.13.40.614.00.946.02.010.50.4
total10.41.07.00.848.01.655.91.277.31.738.40.6
outside perimeterless than 10 years ago4.30.70.80.32.00.43.20.41.00.42.40.2
11-20 years ago1.40.40.50.20.40.22.10.40.60.31.10.1
21-30 years ago1.40.40.30.20.60.31.00.20.50.30.80.1
31-40 years ago0.60.20.10.10.40.20.90.20.80.40.60.1
41-50 years ago0.30.20.0.0.30.20.60.20.30.20.30.1
over 50 years ago0.60.20.20.10.60.32.10.43.00.71.30.2
total8.50.91.90.44.30.69.80.76.31.06.50.3
totalless than 10 years ago57.51.675.11.353.01.629.01.112.01.346.40.6
11-20 years ago18.31.214.31.017.11.218.61.07.71.116.10.5
21-30 years ago13.31.16.20.711.41.011.00.88.41.110.20.4
31-40 years ago4.80.71.80.46.70.88.40.77.01.05.90.3
41-50 years ago2.40.51.10.33.10.57.60.78.31.14.50.3
over 50 years ago3.80.61.50.48.80.925.31.156.72.016.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859092/325423
NFI3
forest area
processes in channels 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago47.71.669.31.324.31.311.00.73.10.629.90.5
11-20 years ago15.81.212.61.08.40.96.30.62.30.59.00.4
21-30 years ago10.51.05.60.75.80.75.30.52.80.66.00.3
31-40 years ago3.70.61.60.43.20.53.20.41.80.52.80.2
41-50 years ago1.40.40.90.31.30.32.30.31.60.51.60.2
over 50 years ago2.40.51.30.35.80.710.90.710.21.16.60.3
total81.51.291.30.848.81.539.01.121.81.555.90.6
inside perimeterless than 10 years ago4.70.74.50.625.11.313.70.86.60.911.60.4
11-20 years ago1.60.41.40.38.60.89.80.75.60.86.00.3
21-30 years ago1.70.40.40.24.90.76.10.57.61.04.20.3
31-40 years ago0.50.20.20.13.20.54.60.54.80.82.80.2
41-50 years ago0.60.20.30.11.70.44.40.56.10.92.70.2
over 50 years ago1.10.30.20.13.80.613.40.841.51.810.60.4
total10.20.96.90.747.21.552.01.172.21.637.90.6
outside perimeterless than 10 years ago4.30.60.80.31.80.42.90.41.20.42.30.2
11-20 years ago1.30.40.50.20.40.21.80.30.60.31.10.1
21-30 years ago1.30.40.30.20.60.20.90.20.40.20.70.1
31-40 years ago0.60.20.10.10.40.20.80.20.80.30.60.1
41-50 years ago0.30.20.0.0.30.20.60.20.30.20.30.1
over 50 years ago0.60.20.20.10.60.21.90.32.70.61.20.1
total8.40.91.80.44.00.69.00.75.90.96.20.3
totalless than 10 years ago56.71.674.61.351.21.527.51.010.91.143.80.6
11-20 years ago18.71.214.51.017.41.217.90.98.51.016.10.5
21-30 years ago13.51.16.30.711.31.012.30.810.81.110.90.4
31-40 years ago4.70.71.90.46.80.88.70.67.50.96.20.3
41-50 years ago2.20.51.10.33.20.57.30.67.91.04.60.3
over 50 years ago4.10.61.60.410.20.926.31.054.41.818.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859093/325424
NFI3
forest area
processes in channels 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
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago47.71.669.41.323.41.39.50.62.80.527.70.5
11-20 years ago15.71.212.31.08.30.85.80.52.80.58.50.3
21-30 years ago10.21.05.60.75.80.75.50.54.30.76.20.3
31-40 years ago3.80.61.60.43.20.53.80.43.10.63.20.2
41-50 years ago1.40.40.90.31.20.33.70.43.00.62.30.2
over 50 years ago2.70.51.60.47.50.815.30.812.81.19.10.4
total81.51.291.20.849.41.543.61.028.81.456.90.5
inside perimeterless than 10 years ago4.70.74.40.624.11.312.10.75.70.810.80.4
11-20 years ago1.50.41.40.38.70.88.70.64.70.75.70.3
21-30 years ago1.70.40.40.24.90.75.60.56.70.84.10.2
31-40 years ago0.50.20.20.13.10.54.20.44.80.72.80.2
41-50 years ago0.60.20.30.11.70.44.20.45.80.82.70.2
over 50 years ago1.10.30.20.14.20.613.20.738.41.611.10.4
total10.10.96.90.746.71.548.21.066.01.537.20.5
outside perimeterless than 10 years ago4.30.60.80.31.80.42.50.31.10.32.10.2
11-20 years ago1.30.40.50.20.40.21.70.30.50.21.00.1
21-30 years ago1.30.40.30.20.60.20.80.20.30.20.70.1
31-40 years ago0.60.20.10.10.40.20.70.20.80.30.50.1
41-50 years ago0.30.20.0.0.30.20.50.20.20.20.30.1
over 50 years ago0.60.20.30.10.60.22.10.32.30.51.30.1
total8.40.91.90.43.90.68.20.65.20.75.90.3
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 #859094/325425
NFI3
forest area
processes in channels 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago47.71.669.31.324.01.310.10.73.10.628.60.5
11-20 years ago15.81.212.61.08.40.86.20.53.00.68.90.4
21-30 years ago10.51.05.60.75.90.75.60.54.50.76.30.3
31-40 years ago3.70.61.60.43.20.54.00.43.10.63.30.2
41-50 years ago1.40.40.90.31.20.33.60.42.70.52.20.2
over 50 years ago2.40.51.30.36.40.714.10.810.51.08.00.3
total81.51.291.30.849.21.543.61.126.81.457.20.5
inside perimeterless than 10 years ago4.70.74.50.624.81.312.40.76.00.811.00.4
11-20 years ago1.60.41.40.38.60.88.90.65.10.75.80.3
21-30 years ago1.70.40.40.24.90.75.70.57.40.94.20.3
31-40 years ago0.50.20.20.13.10.54.30.44.80.72.80.2
41-50 years ago0.60.20.30.11.60.44.20.46.10.82.70.2
over 50 years ago1.10.30.20.13.90.612.50.738.51.610.50.4
total10.20.96.90.746.81.548.11.167.81.536.90.5
outside perimeterless than 10 years ago4.30.60.80.31.80.42.60.31.10.42.20.2
11-20 years ago1.30.40.50.20.40.21.70.30.60.31.00.1
21-30 years ago1.30.40.30.20.60.20.90.20.30.20.70.1
31-40 years ago0.60.20.10.10.40.20.80.20.80.30.50.1
41-50 years ago0.30.20.0.0.30.20.60.20.20.20.30.1
over 50 years ago0.60.20.20.10.60.21.80.32.40.51.20.1
total8.40.91.80.43.90.68.30.65.40.85.90.3
totalless than 10 years ago56.71.674.61.350.61.525.20.910.21.041.80.6
11-20 years ago18.71.214.51.017.41.116.80.88.71.015.70.5
21-30 years ago13.51.16.30.711.41.012.10.712.21.111.10.4
31-40 years ago4.70.71.90.46.70.79.10.68.71.06.60.3
41-50 years ago2.20.51.10.33.20.58.40.69.01.05.20.3
over 50 years ago4.10.61.60.410.90.928.41.051.31.719.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859095/325426
NFI4
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
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
processes in channels SilvaProtectdegree of cover of assured regeneration %± %± %± %± %± %±
n/aless than 1%3.20.65.70.76.51.18.91.214.63.56.10.4
1-4%10.91.110.10.916.61.725.01.821.84.114.60.6
5-9%13.51.210.61.017.01.718.11.620.94.114.20.6
10-25%27.71.625.31.431.52.131.92.028.94.528.30.8
26-50%19.41.420.81.315.31.79.51.311.03.117.10.7
51-75%14.11.315.91.19.91.44.80.92.81.611.90.6
76-100%11.11.111.61.03.20.81.80.60.0.7.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 1%2.11.52.61.86.61.111.81.112.11.59.80.7
1-4%9.82.96.42.813.81.622.21.426.72.020.00.9
5-9%17.83.85.12.514.51.618.51.324.22.018.30.9
10-25%34.74.735.55.435.32.229.71.525.82.030.61.0
26-50%17.83.835.25.418.21.813.21.17.31.214.10.8
51-75%14.03.513.93.97.61.23.60.62.70.75.30.5
76-100%3.91.91.31.33.90.91.10.31.20.52.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%3.82.24.84.76.83.811.32.52.42.47.51.4
1-4%8.73.14.84.711.64.923.73.423.56.917.42.0
5-9%25.44.818.48.312.45.215.82.924.57.118.82.1
10-25%22.94.633.410.339.97.530.13.633.57.630.32.5
26-50%15.84.09.16.222.06.511.92.616.06.014.41.9
51-75%13.43.824.39.44.83.35.21.80.0.7.71.4
76-100%9.93.35.15.02.42.42.01.10.0.3.91.1
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%3.20.65.50.76.60.810.70.811.91.37.60.4
1-4%10.61.09.70.915.01.123.31.025.71.716.90.5
5-9%15.01.210.40.915.61.118.11.023.71.716.10.5
10-25%28.01.426.11.333.71.530.51.126.81.829.30.6
26-50%19.01.321.61.217.01.211.80.88.41.115.80.5
51-75%14.01.115.91.18.60.94.20.52.50.69.10.4
76-100%10.21.010.80.93.50.61.40.31.00.45.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859096/325427
NFI4
forest area
processes in channels SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track67.143.8223.32474.24
road and skidding road36.568.9147.41652.75
road and cable line3.6232.5282.4298.415
road and flight path0.21000.4710.21000.850
no access intended11.9122.1301.24115.211
total119.2217.61014.411151.31
Eastern Juraroad and skidding track25.471.0441.34127.76
road and skidding road13.0110.6580.47114.010
road and cable line0.9500.21000.21001.341
road and flight path0.0.0.0.0.0.0.0.
no access intended3.3240.21000.21003.722
total42.632.0312.13146.82
Western Plateauroad and skidding track34.952.5280.210037.64
road and skidding road5.6181.1450.4717.116
road and cable line0.4700.0.0.21000.657
road and flight path0.0.0.0.0.0.0.0.
no access intended3.8230.6580.0.4.421
total44.734.2210.85049.72
Central Plateauroad and skidding track44.742.2301.04547.84
road and skidding road8.3152.1300.85011.212
road and cable line1.2400.7500.21002.130
road and flight path0.21000.21000.21000.658
no access intended6.2171.4370.9458.514
total60.526.6163.12570.11
Eastern Plateauroad and skidding track78.732.9260.210081.83
road and skidding road15.2111.5380.0.16.610
road and cable line3.7230.6580.0.4.221
road and flight path0.0.0.0.0.21000.2100
no access intended4.7200.0.0.0.4.720
total102.314.9200.471107.61
Western Pre-Alpsroad and skidding track6.6164.0220.85011.412
road and skidding road1.3382.4300.0.3.723
road and cable line4.91912.2111.04418.08
road and flight path1.9351.0400.4733.425
no access intended4.6214.2220.5719.214
total19.4923.872.72745.83
Central Pre-Alpsroad and skidding track8.8157.2160.210016.210
road and skidding road11.91310.1140.47022.49
road and cable line14.01119.592.13235.66
road and flight path2.5272.7260.0.5.219
no access intended16.6107.5160.0.24.18
total53.8547.052.827103.62
Eastern Pre-Alpsroad and skidding track14.21110.5131.63526.47
road and skidding road6.8176.0170.210013.012
road and cable line6.71713.0111.14020.79
road and flight path4.0223.3240.0.7.416
no access intended5.8181.5380.21007.616
total37.6634.463.12575.02
Northwestern Alpsroad and skidding track3.2242.0310.4715.718
road and skidding road2.1312.1300.21004.421
road and cable line9.91318.692.23030.76
road and flight path5.4194.1220.85010.313
no access intended9.5145.4190.210015.111
total30.1732.363.92266.33
Central Alpsroad and skidding track1.4370.8500.4712.627
road and skidding road1.0440.4710.0.1.438
road and cable line3.5226.9141.43511.810
road and flight path3.4232.7260.0.6.217
no access intended7.8152.9250.65711.412
total17.1913.892.42733.34
Northeastern Alpsroad and skidding track0.7582.8260.4683.822
road and skidding road0.3710.9450.21001.535
road and cable line6.11710.6121.04517.78
road and flight path5.2184.2211.14510.513
no access intended2.5281.8330.6594.919
total14.91020.473.22438.43
Southwestern Alpsroad and skidding track7.2167.3161.53516.010
road and skidding road2.8272.8270.8506.417
road and cable line7.61629.072.92639.46
road and flight path17.31026.884.32148.45
no access intended9.2155.9181.04516.011
total44.0671.8310.513126.32
Southeastern Alpsroad and skidding track18.71011.2133.72333.67
road and skidding road4.8201.7331.0457.616
road and cable line26.4840.766.81773.94
road and flight path31.5815.4114.02250.96
no access intended1.6350.5580.0.2.130
total83.0469.5415.511168.02
Southern Alpsroad and skidding track0.8502.2300.0.2.926
road and skidding road7.7168.6152.42918.710
road and cable line6.21730.373.02639.66
road and flight path14.21162.953.32580.44
no access intended24.7918.8101.04544.46
total53.55122.829.714186.01
Switzerlandroad and skidding track312.3260.3615.011387.62
road and skidding road117.3449.3614.212180.73
road and cable line94.94184.7324.59304.12
road and flight path85.95123.9314.512224.33
no access intended112.3452.866.418171.63
total722.71470.9174.651268.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #859097/325428
NFI4
forest area
processes in channels SilvaProtect · cause of salvage logging
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
processes in channels SilvaProtectcause of salvage logging %± %± %± %± %± %±
n/an/a70.61.475.41.345.21.538.31.123.01.449.90.6
insects4.80.76.00.72.80.50.70.20.0.2.70.2
fungi0.70.31.80.40.20.10.0.0.0.0.50.1
windthrow2.70.54.20.60.90.30.60.20.40.21.60.2
snow load0.30.21.80.40.70.20.70.20.10.10.70.1
avalanches0.0.0.0.0.0.0.10.10.10.10.00.0
landslides0.0.0.10.10.30.20.0.0.0.0.10.0
flooding0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality2.40.51.60.40.20.10.10.10.10.10.80.1
others0.10.10.40.20.0.0.10.10.0.0.10.0
total81.71.291.30.850.21.540.41.123.71.556.50.6
inside perimetern/a9.20.95.90.740.81.547.71.168.91.634.90.5
insects0.30.20.40.22.60.50.70.20.40.20.90.1
fungi0.0.0.0.0.0.0.0.0.0.0.0.
windthrow0.50.20.30.11.30.31.40.30.40.20.90.1
snow load0.0.0.0.0.70.20.70.20.60.30.40.1
avalanches0.0.0.0.0.0.0.00.00.20.20.00.0
landslides0.0.0.30.10.20.10.00.00.0.0.10.0
flooding0.0.0.0.0.0.0.10.10.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality0.10.10.10.10.30.20.10.10.0.0.10.0
others0.0.0.0.0.0.0.10.10.0.0.00.0
total10.10.96.80.745.91.551.01.170.51.637.40.5
outside perimetern/a7.20.81.70.43.60.67.80.65.50.85.50.3
insects0.30.20.10.10.0.0.20.10.0.0.10.0
fungi0.10.10.0.0.0.0.0.0.0.0.00.0
windthrow0.10.10.10.10.20.10.30.10.0.0.20.1
snow load0.30.20.0.0.10.10.20.10.20.20.10.0
avalanches0.0.0.0.0.0.0.0.0.0.0.0.
landslides0.0.0.0.0.0.0.0.0.0.0.0.
flooding0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality0.30.20.0.0.0.0.20.10.0.0.10.0
others0.0.0.0.0.0.0.0.0.0.0.0.
total8.20.91.90.43.90.68.70.65.80.86.10.3
totaln/a87.01.183.01.189.60.993.80.597.40.690.30.4
insects5.40.76.40.75.40.71.60.30.40.23.70.2
fungi0.80.31.80.40.20.10.0.0.0.0.50.1
windthrow3.30.64.50.62.40.52.30.30.80.32.70.2
snow load0.60.21.80.41.40.41.50.31.00.31.30.1
avalanches0.0.0.0.0.0.0.10.10.40.20.10.0
landslides0.0.0.30.20.40.20.00.00.0.0.20.1
flooding0.0.0.0.0.0.0.10.10.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality2.80.51.70.40.50.20.40.10.10.11.00.1
others0.10.10.40.20.0.0.20.10.0.0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859098/325429
NFI4
forest area
processes in channels SilvaProtect · degree of cover of regeneration (7 classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
processes in channels SilvaProtectdegree of cover of regeneration (7 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%2.51.06.84.91.91.91.60.41.21.22.81.110.510.53.92.23.40.61.20.82.41.11.01.09.75.41.01.02.10.97.53.60.80.80.60.65.01.91.80.50.0.1.80.60.70.38.15.41.90.82.10.2
1-4%6.31.611.76.413.85.66.80.93.31.96.31.710.510.59.13.39.61.04.01.58.52.08.52.411.55.36.82.77.11.611.44.15.11.87.22.12.71.33.00.74.02.310.81.46.21.06.64.86.31.57.10.3
5-9%6.01.56.74.63.23.26.20.82.21.68.32.05.24.96.82.96.40.87.72.112.92.46.62.06.44.512.73.55.51.49.43.99.32.311.12.65.52.15.20.95.82.610.11.48.91.22.62.65.41.57.20.3
10-25%21.12.73.93.717.16.114.81.215.73.823.93.131.615.95.02.511.71.119.93.127.43.121.33.510.95.417.13.813.02.114.04.717.83.120.63.415.13.56.31.014.14.021.01.88.61.227.58.520.32.615.00.5
26-50%20.52.618.67.615.85.79.71.021.44.312.82.410.510.55.12.55.40.811.32.416.82.623.33.513.25.89.13.07.31.623.95.717.23.15.21.920.53.83.70.813.53.714.91.63.60.84.14.015.52.310.30.4
51-75%19.02.50.0.9.65.07.20.913.73.69.52.221.114.05.82.53.20.612.32.58.82.016.53.20.0.4.32.14.01.213.34.419.73.26.72.118.03.80.80.33.41.910.81.41.60.53.13.123.32.77.80.3
76-100%24.62.70.0.3.82.66.40.822.44.21.50.910.510.53.52.01.10.49.32.24.41.49.02.40.0.0.70.73.01.117.45.120.63.12.21.321.33.90.30.22.31.68.71.30.50.35.13.424.92.86.50.3
total100.0.47.69.765.07.052.91.779.94.165.23.1100.0.39.35.640.71.765.73.681.12.886.22.851.78.551.85.242.03.096.92.190.52.453.54.288.13.021.11.643.15.578.21.930.11.957.18.497.51.056.00.6
inside perimeter< 1%0.0.7.95.41.91.90.70.30.0.2.61.10.0.5.12.56.50.80.60.60.60.60.0.3.13.12.21.55.11.40.0.0.0.3.01.30.0.4.40.82.71.90.40.33.30.74.14.00.0.2.60.2
1-4%0.0.9.65.53.23.24.30.70.90.93.21.20.0.9.53.412.61.11.71.01.60.90.70.73.13.17.62.87.21.60.0.0.0.5.62.00.0.19.01.66.12.61.40.515.21.50.0.0.0.7.20.3
5-9%0.0.7.95.41.91.97.00.90.90.93.01.10.0.2.41.78.50.92.81.21.40.80.0.8.55.09.93.17.21.60.0.0.0.6.42.00.0.18.61.67.32.84.00.912.51.40.0.0.0.6.90.3
10-25%0.0.13.56.47.43.513.81.25.72.510.52.10.0.12.13.612.31.16.41.95.51.61.30.95.53.812.03.513.62.10.0.3.41.411.92.72.81.618.51.612.73.86.21.119.41.611.35.40.80.610.90.4
26-50%0.0.6.84.95.63.28.61.01.81.36.11.60.0.8.93.37.40.94.11.56.51.80.70.74.32.95.82.310.81.90.0.0.80.89.42.54.92.08.71.115.54.03.40.88.31.212.86.30.50.56.40.3
51-75%0.0.2.82.84.43.13.30.60.0.4.41.40.0.6.22.72.20.54.11.50.90.71.20.96.64.53.21.85.91.40.0.0.80.83.51.54.21.92.90.74.82.42.20.72.00.65.64.00.30.32.60.2
76-100%0.0.0.0.0.0.1.70.41.21.22.41.10.0.2.31.60.30.21.71.00.90.70.90.910.85.32.61.54.21.30.0.1.30.91.51.10.0.1.10.40.0.1.20.50.20.26.14.10.90.61.20.1
total0.0.48.59.724.36.239.41.710.63.232.33.00.0.46.55.749.91.721.53.117.52.74.71.841.98.843.15.154.03.10.0.6.21.941.44.211.93.073.21.849.15.418.91.860.82.039.98.62.51.037.80.6
outside perimeter< 1%0.0.3.93.90.0.0.20.21.21.20.0.0.0.1.51.50.60.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.71.90.0.0.70.30.0.0.0.0.30.1
1-4%0.0.0.0.5.03.70.90.30.0.0.0.0.0.2.71.93.10.60.60.60.0.0.0.0.0.0.0.0.0.1.51.50.0.0.0.0.0.0.70.30.0.0.0.1.70.50.0.0.0.0.90.1
5-9%0.0.0.0.1.91.91.40.41.91.30.70.70.0.2.41.71.40.41.81.00.50.50.90.92.12.11.01.00.80.60.0.0.80.80.70.70.0.1.60.50.0.0.80.42.10.60.0.0.0.1.20.1
10-25%0.0.0.0.3.82.62.20.54.32.21.40.80.0.2.71.93.20.65.21.70.50.51.20.90.0.1.81.31.10.70.0.0.0.2.01.20.0.2.00.62.61.80.40.32.90.70.0.0.0.1.90.2
26-50%0.0.0.0.0.0.1.40.41.21.20.0.0.0.2.41.70.60.31.71.00.50.52.51.34.32.90.0.1.00.60.0.0.80.81.51.10.0.1.50.52.51.81.00.41.40.50.0.0.0.1.00.1
51-75%0.0.0.0.0.0.1.00.30.0.0.0.0.0.2.71.90.60.31.20.80.0.1.81.00.0.2.21.51.00.60.0.0.0.0.0.0.0.0.0.0.0.0.20.20.30.23.13.10.0.0.50.1
76-100%0.0.0.0.0.0.0.60.30.90.90.50.50.0.0.0.0.0.2.41.20.0.2.71.40.0.0.0.0.0.1.51.51.81.00.80.80.0.0.0.0.0.0.40.30.0.0.0.0.0.0.40.1
total0.0.3.93.910.74.87.80.99.53.12.51.10.0.14.34.09.41.012.82.61.40.89.12.36.43.35.02.24.01.23.12.13.31.55.11.80.0.5.70.97.83.12.90.89.11.23.13.10.0.6.10.3
total< 1%2.51.018.67.63.72.62.60.52.41.75.41.510.510.510.53.510.51.01.81.03.01.21.01.012.86.13.21.87.21.67.53.60.80.83.61.45.01.96.11.05.42.72.20.74.60.912.26.21.90.85.00.3
1-4%6.31.621.38.122.06.712.01.14.22.19.52.110.510.521.34.725.31.56.31.810.12.29.22.414.65.614.33.714.32.213.04.35.11.812.82.82.71.322.71.710.13.412.21.523.11.76.64.86.31.515.20.5
5-9%6.01.514.67.06.94.114.61.25.02.212.02.35.24.911.63.716.21.312.32.514.72.57.42.217.16.723.64.413.52.19.43.910.12.418.33.25.52.125.31.813.23.614.91.623.61.82.62.65.41.515.30.5
10-25%21.12.717.37.128.37.030.91.625.84.735.83.431.615.919.84.527.31.531.53.633.43.323.83.716.46.331.04.827.82.714.04.721.23.334.54.117.93.726.81.829.35.227.72.030.81.938.89.321.12.727.80.6
26-50%20.52.625.48.521.46.119.71.424.44.518.92.810.510.516.34.213.31.217.12.923.83.026.53.721.76.814.93.719.12.423.95.718.83.216.13.125.44.013.91.431.55.119.41.813.31.416.87.215.92.417.70.5
51-75%19.02.52.82.814.05.811.61.113.73.613.92.521.114.014.73.86.00.817.62.99.72.019.53.46.64.59.73.010.91.913.34.420.43.310.22.522.24.13.70.88.33.013.21.53.90.811.85.423.62.710.90.4
76-100%24.62.70.0.3.82.68.71.024.54.34.41.410.510.55.92.61.40.413.52.65.31.512.62.810.85.33.31.67.21.618.95.323.63.34.51.821.33.91.40.52.31.610.41.40.70.411.35.425.82.88.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #859099/325430
NFI4
forest area
processes in channels 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
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago47.71.668.01.422.31.38.90.73.10.730.20.5
11-20 years ago16.81.214.11.011.41.06.30.62.10.610.30.4
21-30 years ago6.70.84.60.63.70.64.00.50.80.34.20.3
31-40 years ago4.10.62.00.43.30.62.90.41.50.52.80.2
41-50 years ago2.80.50.80.32.50.52.20.41.30.52.00.2
over 50 years ago2.90.51.50.44.40.69.90.77.51.15.60.3
total81.01.391.10.847.71.634.21.216.31.555.10.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.40.74.30.622.51.313.80.98.01.111.10.4
11-20 years ago1.80.41.40.411.51.010.50.84.80.96.50.3
21-30 years ago0.90.30.70.34.80.77.50.75.60.94.20.3
31-40 years ago1.10.30.30.23.00.54.40.54.40.82.70.2
41-50 years ago0.50.20.10.12.20.54.40.57.11.02.70.2
over 50 years ago1.70.40.20.14.00.615.20.947.52.011.20.4
total10.41.07.00.848.01.655.91.277.31.738.40.6
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.40.71.10.31.90.43.20.41.70.52.60.2
11-20 years ago1.70.40.20.10.80.31.60.30.30.21.00.1
21-30 years ago0.70.30.20.10.10.11.30.30.20.20.60.1
31-40 years ago0.40.20.20.10.40.20.80.20.60.30.50.1
41-50 years ago0.20.10.10.10.30.20.70.20.50.30.40.1
over 50 years ago1.10.30.10.10.80.32.20.43.00.71.40.2
total8.50.91.90.44.30.69.80.76.31.06.50.3
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 #859100/325431
NFI4
forest area
processes in channels 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
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago47.31.668.01.422.11.39.10.72.90.628.70.5
11-20 years ago17.01.214.11.011.41.06.40.61.90.510.00.4
21-30 years ago6.90.84.60.64.20.64.80.51.80.54.60.3
31-40 years ago4.30.62.00.43.30.53.90.42.80.63.30.2
41-50 years ago2.80.50.90.32.70.52.70.41.80.52.20.2
over 50 years ago3.10.61.60.45.20.711.50.710.21.16.80.3
total81.51.291.30.849.01.538.41.121.31.555.80.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.30.64.30.621.81.312.90.87.41.010.70.4
11-20 years ago1.90.41.40.411.11.09.50.74.20.76.20.3
21-30 years ago0.90.30.70.24.60.67.10.65.90.94.20.3
31-40 years ago1.00.30.30.23.00.54.70.55.40.83.00.2
41-50 years ago0.50.20.10.12.20.44.00.56.60.92.70.2
over 50 years ago1.60.40.20.14.20.614.40.843.21.811.30.4
total10.20.96.90.747.01.552.61.172.71.638.00.6
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.20.61.10.31.80.42.90.41.50.52.40.2
11-20 years ago1.70.40.20.10.70.31.40.30.50.31.00.1
21-30 years ago0.70.30.20.10.10.11.20.30.30.20.60.1
31-40 years ago0.40.20.20.10.40.20.70.20.50.30.50.1
41-50 years ago0.20.10.10.10.30.20.60.20.50.30.40.1
over 50 years ago1.10.30.10.10.80.32.10.32.60.61.30.2
total8.40.91.80.44.10.69.00.76.00.96.20.3
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 #859101/325432
NFI4
forest area
processes in channels SilvaProtect · degree of cover of regeneration (7 classes)
unit of reference: production region
unit: 1000 ha
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
processes in channels SilvaProtectdegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%2.6286.4173.7235.8182.32920.810
1-4%14.11214.01214.41224.193.62370.25
5-9%16.41116.21113.21220.7105.02071.45
10-25%36.2747.5633.5734.575.619157.33
26-50%31.6741.6616.41114.4122.827106.94
51-75%25.9838.1710.8146.4180.85082.05
76-100%27.5838.075.0203.4240.0.74.05
total154.42201.8197.04109.3420.19582.61
inside perimeter< 1%0.21000.0.5.31914.9117.31627.78
1-4%1.4380.210011.11338.1725.8876.65
5-9%2.5281.63513.51232.8722.9973.45
10-25%7.1163.52331.1752.6624.98119.24
26-50%3.7236.31720.61026.9810.41367.95
51-75%3.2253.3249.4159.7142.82728.38
76-100%1.8330.6586.6173.4241.24113.512
total19.8915.61197.63178.4295.23406.62
outside perimeter< 1%0.4710.0.0.21002.4290.21003.125
1-4%1.0450.21000.4717.2161.0459.814
5-9%3.2250.8501.7355.0202.52913.112
10-25%4.5211.0452.9279.5142.62720.510
26-50%2.8271.0452.1314.1221.43811.413
51-75%1.4380.8501.0452.6280.0.5.919
76-100%3.0260.4710.4710.6580.0.4.421
total16.3114.2228.71531.487.81668.45
total< 1%3.2256.4179.21423.099.81451.66
1-4%16.61114.41125.8869.5530.47156.63
5-9%22.1918.51028.4858.4530.47157.93
10-25%47.8652.1567.5596.6433.17297.12
26-50%38.1748.9639.1745.5614.611186.23
51-75%30.4842.2621.2918.7103.523116.24
76-100%32.3739.0612.0137.4161.24191.94
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #859102/325433
NFI4
forest area
processes in channels 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
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago47.31.668.01.421.81.38.40.62.80.627.40.5
11-20 years ago17.01.214.11.011.31.06.10.52.00.59.70.4
21-30 years ago6.90.84.60.64.30.64.70.52.40.54.60.3
31-40 years ago4.30.62.00.43.30.54.70.54.60.73.90.2
41-50 years ago2.80.50.90.32.80.53.70.43.10.62.80.2
over 50 years ago3.10.61.60.45.90.715.70.811.61.18.70.4
total81.51.291.30.849.41.543.21.126.41.457.10.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.30.64.30.621.51.311.80.76.60.910.20.4
11-20 years ago1.90.41.40.411.01.08.60.63.80.76.00.3
21-30 years ago0.90.30.70.24.70.66.50.55.30.84.00.2
31-40 years ago1.00.30.30.23.00.54.40.55.70.83.00.2
41-50 years ago0.50.20.10.12.20.43.80.46.20.82.60.2
over 50 years ago1.60.40.20.14.30.613.40.740.51.711.20.4
total10.20.96.90.746.61.548.61.168.21.537.00.5
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.20.61.10.31.80.42.70.41.30.42.30.2
11-20 years ago1.70.40.20.10.70.31.30.20.50.21.00.1
21-30 years ago0.70.30.20.10.10.11.10.20.20.20.60.1
31-40 years ago0.40.20.20.10.40.20.70.20.50.20.50.1
41-50 years ago0.20.10.10.10.30.10.60.20.60.30.40.1
over 50 years ago1.10.30.10.10.80.31.90.32.30.51.30.1
total8.40.91.80.44.00.68.20.65.40.85.90.3
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 #859103/325434
NFI3
forest area
processes in channels 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
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/aless than 10 years ago47.51.669.01.323.41.39.60.62.80.527.50.5
11-20 years ago15.71.112.51.08.20.85.90.52.80.58.60.3
21-30 years ago10.41.05.60.75.80.75.50.54.40.76.20.3
31-40 years ago3.70.61.60.43.10.53.90.43.10.63.20.2
41-50 years ago1.40.40.80.31.20.33.70.43.10.62.30.2
over 50 years ago2.70.51.60.47.70.815.60.812.91.19.30.4
total81.51.291.20.849.31.544.11.029.11.457.10.5
inside perimeterless than 10 years ago4.70.74.50.624.31.312.00.75.60.710.70.4
11-20 years ago1.60.41.40.38.60.88.60.64.70.75.70.3
21-30 years ago1.70.40.40.24.90.65.50.56.90.84.10.2
31-40 years ago0.50.20.20.13.10.54.20.44.70.72.80.2
41-50 years ago0.60.20.30.11.70.44.30.45.70.82.70.2
over 50 years ago1.10.30.20.14.20.613.10.738.21.611.00.4
total10.10.96.90.746.81.547.71.065.71.537.00.5
outside perimeterless than 10 years ago4.40.60.80.31.70.42.50.31.10.32.10.2
11-20 years ago1.30.40.50.20.40.21.60.30.50.21.00.1
21-30 years ago1.30.40.30.10.60.20.80.20.30.20.70.1
31-40 years ago0.60.20.10.10.30.20.70.20.80.30.50.1
41-50 years ago0.30.20.0.0.30.20.50.20.20.20.30.1
over 50 years ago0.60.20.30.10.60.22.10.32.30.51.30.1
total8.40.91.90.43.80.68.20.65.20.75.90.3
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 #859104/325435
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