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NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha22.51.726.53.123.12.924.62.425.91.829.85.421.92.627.33.439.84.936.16.529.36.856.84.239.22.958.34.629.30.8
101-200 stems/ha26.61.829.13.322.72.922.42.423.51.914.74.029.02.922.53.227.14.622.15.724.66.919.53.425.12.615.73.424.30.8
201-300 stems/ha26.71.821.72.920.02.823.92.423.91.917.54.321.52.620.73.114.93.618.15.217.76.213.02.911.41.913.93.221.00.7
301-400 stems/ha15.11.515.22.615.22.416.32.115.91.613.13.913.52.214.32.79.22.99.13.911.45.03.61.613.22.06.92.413.80.6
401-500 stems/ha4.30.83.41.312.12.38.81.67.21.111.53.77.61.78.02.14.12.07.43.611.14.84.21.77.71.65.22.16.90.5
501- 600 stems/ha3.20.72.51.13.71.32.00.82.10.69.43.44.61.43.81.43.01.73.72.63.92.72.21.32.20.90.0.2.90.3
more than 600 stems/ha1.50.51.50.93.21.22.00.81.60.64.12.41.80.93.41.32.01.43.52.52.01.90.70.71.20.70.0.1.80.2
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.
inside perimeter0-100 stems/ha13.37.2....0.0...17.37.96.74.68.48.019.15.58.35.528.48.122.23.826.04.740.36.322.51.9
101-200 stems/ha35.510.0....0.0...19.28.832.49.015.810.319.25.522.48.230.98.425.94.028.74.936.86.127.42.1
201-300 stems/ha22.48.8....0.0...31.79.520.47.513.79.125.26.132.59.016.26.825.24.023.44.513.04.322.51.9
301-400 stems/ha20.58.2....100.0...9.46.318.47.534.612.617.65.326.08.69.65.415.23.310.43.30.0.13.71.6
401-500 stems/ha4.14.0....0.0...14.37.814.56.720.510.711.64.57.14.95.13.56.52.25.82.53.12.27.61.2
501- 600 stems/ha4.24.1....0.0...8.15.67.55.26.96.73.32.33.73.62.52.54.11.84.62.35.22.94.61.0
more than 600 stems/ha0.0.....0.0...0.0.0.0.0.0.3.92.70.0.7.35.00.80.81.21.11.61.51.60.6
total100.0.....100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha18.03.211.17.428.69.216.15.326.38.124.44.317.72.513.32.726.94.030.17.521.54.939.62.928.42.753.32.231.71.0
101-200 stems/ha30.63.924.89.729.19.227.36.410.85.923.54.225.33.027.43.527.44.116.36.123.85.227.22.730.42.823.52.026.11.0
201-300 stems/ha23.73.529.610.227.48.930.06.537.09.215.63.629.03.121.73.223.73.927.17.318.74.815.12.220.12.414.91.620.30.9
301-400 stems/ha15.73.124.59.67.55.120.55.818.77.518.03.716.02.511.62.411.02.910.55.121.15.09.81.810.81.96.11.111.70.7
401-500 stems/ha8.62.49.96.73.73.66.13.40.0.9.73.05.51.614.22.74.51.82.62.58.73.15.11.35.51.41.00.55.50.5
501- 600 stems/ha3.51.50.0.3.73.60.0.3.33.24.92.25.31.65.81.84.92.08.04.52.41.72.50.92.20.90.60.33.00.4
more than 600 stems/ha0.0.0.0.0.0.0.0.3.93.84.02.01.30.85.91.81.51.15.43.83.92.20.70.52.61.00.60.31.80.3
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.
total0-100 stems/ha21.41.425.12.923.62.723.42.225.91.725.73.119.21.720.02.130.12.727.93.925.43.440.22.032.71.853.01.929.60.6
101-200 stems/ha27.61.628.73.123.42.823.02.222.81.819.62.827.62.024.62.325.72.720.33.725.63.724.91.927.91.823.31.725.20.6
201-300 stems/ha26.01.622.42.820.82.724.72.324.61.818.12.724.72.020.92.120.82.524.23.917.83.316.81.616.81.514.51.420.90.5
301-400 stems/ha15.41.316.12.514.42.217.12.016.01.615.22.514.91.613.81.811.62.013.43.115.63.19.41.311.81.35.70.913.00.5
401-500 stems/ha5.10.84.01.311.22.18.41.56.81.110.92.37.11.211.41.75.81.45.82.18.62.25.20.96.51.02.00.56.40.3
501- 600 stems/ha3.30.62.31.03.71.21.80.72.20.67.01.85.01.04.91.13.91.15.12.02.91.22.80.72.50.60.90.43.10.2
more than 600 stems/ha1.20.41.30.82.91.11.70.71.70.63.61.41.50.64.41.12.10.93.31.74.11.70.70.41.80.50.60.31.80.2
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853764/320095
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha23.31.228.02.227.92.123.91.725.21.228.03.720.01.724.52.435.43.540.45.035.84.954.42.938.62.060.73.229.30.6
101-200 stems/ha27.31.326.02.221.12.022.41.721.51.315.32.926.62.022.82.325.43.223.54.422.84.420.62.325.11.819.92.723.80.5
201-300 stems/ha25.11.223.82.121.02.024.41.724.21.318.63.120.91.819.52.219.32.914.73.615.43.812.91.914.31.511.12.121.10.5
301-400 stems/ha14.81.015.71.815.01.716.81.516.41.114.82.917.31.715.22.012.12.412.43.312.73.56.21.412.21.44.91.414.40.4
401-500 stems/ha5.60.74.11.09.11.47.81.18.20.911.12.68.81.38.11.53.71.45.12.37.12.63.11.05.71.02.61.16.70.3
501- 600 stems/ha2.40.41.40.63.60.92.90.72.60.56.72.04.10.94.41.12.11.01.91.44.12.01.90.83.30.80.0.2.80.2
more than 600 stems/ha1.40.31.00.52.30.71.80.61.90.45.31.92.40.75.51.32.11.02.01.42.21.50.90.50.90.40.90.61.90.2
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.
inside perimeter0-100 stems/ha7.74.3....0.0...22.06.210.14.38.45.721.44.018.25.226.05.722.92.627.53.340.14.124.31.4
101-200 stems/ha30.67.4....0.0...20.36.127.06.227.99.020.43.920.25.522.15.526.32.826.03.233.73.926.01.4
201-300 stems/ha25.77.0....0.0...24.66.226.36.120.48.220.93.926.15.918.45.028.02.821.93.113.82.922.61.3
301-400 stems/ha23.16.7....100.0...13.85.215.65.123.88.516.63.619.75.315.64.812.92.113.12.55.51.913.91.1
401-500 stems/ha7.74.3....0.0...10.64.59.94.215.57.212.33.16.93.36.02.95.21.45.01.63.41.56.70.8
501- 600 stems/ha5.13.6....0.0...8.74.27.43.64.03.94.62.05.43.16.63.23.71.25.51.72.81.44.80.7
more than 600 stems/ha0.0.....0.0...0.0.3.62.50.0.3.81.93.62.55.23.01.10.71.10.80.70.71.80.4
total100.0.....100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha19.32.413.65.638.77.017.93.824.86.022.82.819.21.918.72.125.42.832.15.321.83.636.92.227.41.953.01.631.80.7
101-200 stems/ha30.22.934.37.725.16.226.94.423.76.021.82.724.32.124.92.329.23.018.34.619.33.526.72.028.11.923.41.425.40.7
201-300 stems/ha24.52.731.17.518.15.530.64.625.86.220.62.726.12.121.92.223.32.824.04.916.83.318.51.821.31.813.81.120.30.6
301-400 stems/ha14.62.215.75.98.23.914.83.511.94.616.52.516.61.813.01.810.12.011.83.820.53.59.01.311.41.46.50.811.50.5
401-500 stems/ha7.51.75.23.66.03.48.82.85.93.37.51.77.71.311.81.76.01.64.92.513.63.05.01.07.01.11.80.46.20.4
501- 600 stems/ha3.11.10.0.2.01.91.01.05.93.35.61.53.60.95.11.24.71.44.92.44.21.72.70.73.00.71.00.33.00.3
more than 600 stems/ha0.80.60.0.2.01.90.0.2.02.05.21.52.60.84.61.11.30.74.02.33.81.71.10.51.90.60.60.31.90.2
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.
total0-100 stems/ha22.21.026.82.029.12.023.01.525.21.224.62.119.11.221.11.528.11.932.13.027.32.538.51.532.21.352.91.329.80.4
101-200 stems/ha27.91.226.72.121.51.923.01.621.61.219.31.925.61.424.01.626.01.920.92.721.12.424.81.426.51.223.91.224.50.4
201-300 stems/ha25.01.124.42.020.71.925.21.624.31.320.31.923.41.320.71.521.41.820.72.716.72.219.21.218.41.113.30.920.90.4
301-400 stems/ha15.00.915.71.714.31.616.81.416.11.115.61.816.91.214.41.312.11.414.02.316.92.29.10.912.00.96.10.713.30.3
401-500 stems/ha6.00.64.20.98.81.37.91.08.10.89.11.48.40.910.11.16.51.15.51.59.81.74.50.66.10.72.10.46.50.2
501- 600 stems/ha2.60.41.30.53.40.82.60.62.80.56.41.24.10.64.70.83.70.83.81.34.71.22.70.53.50.51.00.33.10.2
more than 600 stems/ha1.30.30.90.42.30.71.60.51.90.44.71.02.50.54.90.82.10.63.11.13.51.11.10.31.30.30.70.21.90.1
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853765/320096
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
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
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha19.51.624.02.924.82.923.02.226.51.821.75.018.62.525.33.436.35.137.66.928.27.251.54.432.42.950.35.026.50.8
101-200 stems/ha29.51.932.43.422.02.925.42.523.91.917.04.429.63.022.53.322.74.524.46.219.96.823.33.825.62.718.23.925.70.8
201-300 stems/ha27.91.921.62.823.63.026.32.524.91.926.55.327.42.919.13.119.34.217.95.424.17.114.33.118.92.516.53.723.70.8
301-400 stems/ha13.91.413.62.515.12.413.72.014.21.513.03.912.22.117.92.98.23.06.23.59.04.34.01.711.72.08.92.812.90.6
401-500 stems/ha6.01.04.51.510.22.17.01.56.81.15.12.57.81.88.32.15.52.48.13.98.94.33.91.79.11.84.12.06.80.5
501- 600 stems/ha1.70.53.01.22.41.02.70.93.00.88.73.11.60.81.71.03.42.02.01.95.64.00.70.71.60.81.91.32.40.3
more than 600 stems/ha1.60.51.00.71.91.01.90.80.70.48.13.22.81.15.21.74.62.33.92.74.33.02.41.30.80.60.0.2.00.3
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.
inside perimeter0-100 stems/ha13.37.2........18.18.310.05.517.410.926.86.416.97.537.68.624.13.920.24.331.36.023.32.0
101-200 stems/ha26.89.3........19.68.928.18.513.79.114.25.027.08.825.88.022.83.932.35.138.86.226.32.1
201-300 stems/ha38.510.1........22.18.924.68.26.86.631.16.619.98.117.86.822.93.922.84.516.64.822.82.0
301-400 stems/ha17.47.9........27.99.811.76.341.413.28.24.027.98.92.52.515.93.420.24.44.82.715.21.7
401-500 stems/ha4.14.0........8.55.811.06.013.79.113.84.94.44.34.14.06.72.33.41.95.33.06.81.2
501- 600 stems/ha0.0.........3.93.810.35.66.96.71.71.70.0.8.04.55.82.11.21.20.0.3.50.8
more than 600 stems/ha0.0.........0.0.4.24.10.0.4.12.93.83.84.14.01.61.20.0.3.22.22.10.7
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha15.43.06.46.221.58.515.75.113.46.320.74.113.42.317.83.028.44.227.87.728.15.235.82.930.12.746.02.329.11.0
101-200 stems/ha27.23.824.59.642.510.218.65.630.88.719.53.931.23.319.53.226.34.122.67.123.35.428.12.828.92.724.32.026.01.0
201-300 stems/ha25.73.724.59.612.46.743.07.137.69.329.24.523.23.026.63.419.33.614.76.122.35.215.42.224.12.616.81.721.70.9
301-400 stems/ha19.63.430.310.38.45.718.65.67.14.913.03.316.42.615.62.813.83.220.87.18.03.113.72.18.81.78.61.312.70.8
401-500 stems/ha8.72.414.37.711.56.24.22.911.06.09.33.07.71.99.12.25.82.15.53.89.33.33.71.12.71.02.90.85.60.5
501- 600 stems/ha1.41.00.0.0.0.0.0.0.0.3.11.85.31.64.21.53.21.63.13.13.32.42.61.03.11.11.10.52.60.4
more than 600 stems/ha2.01.20.0.3.83.80.0.0.0.5.12.32.81.17.32.03.21.65.53.85.72.80.70.52.30.90.40.32.40.3
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.
total0-100 stems/ha18.51.422.42.724.52.722.02.025.81.720.82.915.81.621.42.130.82.829.74.130.43.637.02.029.71.745.32.027.20.6
101-200 stems/ha29.01.731.73.224.22.924.42.324.31.918.52.830.22.120.72.222.72.724.44.122.93.725.71.928.01.824.71.725.80.6
201-300 stems/ha27.81.621.82.722.42.828.62.425.61.927.43.225.42.022.22.221.62.617.43.721.73.616.81.721.81.716.71.522.90.6
301-400 stems/ha15.01.315.12.414.42.314.41.913.81.514.62.514.01.617.72.010.81.915.83.57.02.011.81.411.61.38.31.113.00.5
401-500 stems/ha6.40.95.41.510.32.06.61.37.01.17.61.97.91.38.91.57.31.66.42.47.92.24.40.95.50.93.30.76.40.3
501- 600 stems/ha1.60.42.71.12.10.92.30.82.80.75.41.63.80.93.10.93.01.11.91.35.11.92.90.72.20.61.10.42.60.2
more than 600 stems/ha1.60.50.90.62.10.91.70.70.70.45.71.72.90.86.01.33.91.24.41.94.91.81.30.51.30.50.60.32.10.2
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853766/320097
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha20.61.624.12.925.62.822.62.226.91.726.45.120.72.525.53.341.44.842.36.439.56.854.54.138.42.757.14.329.00.8
101-200 stems/ha29.81.931.93.323.12.925.22.524.01.915.54.129.52.921.53.223.94.222.25.517.75.721.93.424.12.517.43.425.30.8
201-300 stems/ha27.41.821.22.822.12.825.92.524.51.925.24.926.32.819.03.016.33.615.04.621.06.013.62.817.12.213.83.022.50.7
301-400 stems/ha13.41.413.82.515.12.314.12.014.01.511.93.611.42.017.62.97.02.65.23.07.03.43.41.510.31.77.02.312.30.6
401-500 stems/ha5.70.94.41.49.52.07.21.56.61.14.62.27.21.79.72.34.72.16.83.37.03.44.01.67.81.63.21.66.50.4
501- 600 stems/ha1.60.52.91.22.21.02.70.93.10.87.92.81.90.81.60.92.91.73.52.44.43.10.60.61.70.71.51.12.40.3
more than 600 stems/ha1.50.51.60.92.31.02.20.80.90.48.33.13.01.15.01.63.91.95.12.93.42.32.01.10.70.50.0.2.10.3
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.
inside perimeter0-100 stems/ha13.37.2........21.78.710.05.517.410.927.76.322.37.936.78.426.14.021.54.332.55.824.72.0
101-200 stems/ha26.89.3........18.78.528.18.513.79.113.74.924.18.027.78.022.23.833.15.038.06.026.12.0
201-300 stems/ha38.510.1........21.28.624.68.26.86.631.66.517.87.317.36.622.33.821.84.317.24.722.41.9
301-400 stems/ha17.47.9........26.69.511.76.341.413.27.93.828.48.42.52.515.53.319.24.24.52.514.81.6
401-500 stems/ha4.14.0........8.15.611.06.013.79.113.34.74.03.94.03.96.62.23.21.85.02.86.61.1
501- 600 stems/ha0.0.........3.73.610.35.66.96.71.71.70.0.7.84.45.72.11.11.10.0.3.40.8
more than 600 stems/ha0.0.........0.0.4.24.10.0.4.02.83.43.44.03.91.61.10.0.3.02.12.00.7
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha15.63.06.46.220.78.215.75.113.46.320.94.113.72.319.23.027.84.032.07.429.65.037.12.833.72.747.82.230.71.0
101-200 stems/ha28.63.824.59.644.610.018.65.630.88.720.63.930.43.218.83.026.64.019.76.324.35.227.82.727.22.623.71.925.61.0
201-300 stems/ha24.93.624.59.611.96.543.07.137.69.328.14.425.13.026.03.319.23.615.45.821.94.914.82.122.52.416.11.721.20.9
301-400 stems/ha19.03.330.310.38.15.518.65.67.14.913.43.315.72.515.82.813.13.120.56.67.42.913.22.08.71.68.11.212.30.7
401-500 stems/ha8.42.314.37.711.06.04.22.911.06.09.02.97.31.89.52.26.32.24.83.48.53.13.91.13.11.02.80.75.60.5
501- 600 stems/ha1.41.00.0.0.0.0.0.0.0.3.01.85.11.53.91.43.81.72.72.73.12.22.50.92.81.01.00.42.50.3
more than 600 stems/ha2.01.10.0.3.73.60.0.0.0.4.92.22.71.16.81.93.11.54.83.45.32.60.70.52.10.80.40.32.20.3
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.
total0-100 stems/ha19.51.422.52.725.12.621.72.026.21.723.22.917.11.622.22.132.92.734.63.934.43.439.42.034.21.748.11.829.20.6
101-200 stems/ha29.51.631.23.125.32.824.32.324.41.818.42.729.82.119.92.123.22.621.83.622.93.525.01.926.61.723.81.625.50.6
201-300 stems/ha27.31.621.52.721.12.628.22.325.11.826.23.125.72.021.92.120.42.415.73.320.63.316.11.620.11.515.81.422.00.5
301-400 stems/ha14.61.315.32.414.42.214.71.913.71.514.22.413.31.517.62.09.91.815.13.26.21.811.01.310.71.27.61.012.50.4
401-500 stems/ha6.20.95.31.59.71.96.81.36.81.17.21.87.51.29.81.67.01.55.52.17.01.94.50.95.10.83.10.76.20.3
501- 600 stems/ha1.50.42.71.12.00.92.30.83.00.75.11.53.70.82.90.93.11.02.51.44.51.72.70.72.10.51.00.42.50.2
more than 600 stems/ha1.50.41.50.82.51.01.90.70.90.45.81.62.90.85.71.23.51.14.61.84.41.61.30.51.20.40.60.32.10.2
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853767/320098
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha21.81.525.52.825.42.623.92.127.01.724.54.521.32.325.23.141.54.649.15.843.66.552.33.839.12.658.34.029.60.7
101-200 stems/ha29.31.830.73.123.32.725.12.324.31.814.93.828.62.720.22.923.24.120.74.815.15.021.03.223.82.318.13.224.90.7
201-300 stems/ha26.11.721.42.621.72.625.42.323.71.827.14.625.92.520.62.916.23.513.43.918.25.315.42.817.12.013.42.822.20.7
301-400 stems/ha14.01.313.62.315.52.314.01.914.01.410.23.111.31.916.92.67.42.54.22.46.33.13.61.59.41.66.22.012.20.5
401-500 stems/ha5.60.94.81.49.61.96.51.36.71.06.32.56.81.510.82.24.41.95.52.77.53.25.41.77.61.52.81.46.50.4
501- 600 stems/ha1.60.52.61.02.30.93.20.93.30.78.82.82.30.91.90.92.71.62.92.03.92.80.50.51.80.71.30.92.50.3
more than 600 stems/ha1.60.51.50.92.21.01.90.71.00.48.22.83.81.14.41.44.62.04.12.35.33.11.81.01.20.60.0.2.20.2
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.
inside perimeter0-100 stems/ha12.16.6........20.48.216.06.619.810.027.16.019.16.933.17.925.83.721.04.133.25.524.51.9
101-200 stems/ha28.59.1........16.47.625.37.821.89.714.44.723.67.425.77.524.03.734.54.837.85.726.71.9
201-300 stems/ha35.69.6........24.68.822.17.45.35.130.66.218.06.719.86.921.23.520.94.116.64.421.71.8
301-400 stems/ha19.98.0........27.79.013.26.231.910.99.13.927.37.72.32.315.13.018.64.03.92.214.71.5
401-500 stems/ha4.03.9........7.55.110.15.515.98.512.14.36.14.23.73.66.52.14.02.05.92.86.81.1
501- 600 stems/ha0.0.........3.53.49.65.35.45.21.51.53.03.09.44.55.01.91.01.00.0.3.40.8
more than 600 stems/ha0.0.........0.0.3.73.60.0.5.12.92.82.86.04.22.21.30.0.2.61.82.30.7
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha15.32.96.66.317.47.114.04.615.36.421.63.813.52.220.22.827.13.730.56.930.14.736.02.633.32.545.52.129.90.9
101-200 stems/ha28.33.626.79.443.29.125.45.931.58.320.33.729.43.019.12.826.43.819.76.025.24.928.12.526.52.425.11.926.00.9
201-300 stems/ha25.93.522.08.817.17.040.26.633.58.628.34.125.02.825.03.019.43.418.76.019.94.415.02.022.72.316.51.621.20.8
301-400 stems/ha18.53.131.89.910.45.716.65.16.44.413.63.116.02.416.62.612.52.820.16.18.83.012.61.99.11.68.21.212.30.7
401-500 stems/ha8.92.312.97.09.05.03.82.613.26.18.72.67.41.79.32.17.22.24.23.08.62.95.11.23.31.03.00.75.80.5
501- 600 stems/ha1.20.90.0.0.0.0.0.0.0.3.31.65.81.53.81.33.41.52.52.42.71.92.50.93.31.01.30.52.70.3
more than 600 stems/ha1.91.10.0.3.03.00.0.0.0.4.21.92.91.16.01.74.21.74.23.04.72.30.60.41.80.70.50.32.20.3
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.
total0-100 stems/ha20.41.323.82.624.52.422.61.926.41.622.62.717.71.522.61.932.32.637.03.735.13.238.21.834.31.646.81.729.30.5
101-200 stems/ha29.11.630.33.025.52.625.12.124.71.717.82.528.81.919.82.023.02.421.13.322.03.225.31.726.41.625.01.625.40.5
201-300 stems/ha26.31.521.42.521.22.527.32.224.21.727.52.925.31.822.02.020.32.316.03.019.33.016.51.520.01.415.91.321.80.5
301-400 stems/ha15.01.215.22.315.02.114.41.713.71.413.62.213.41.417.41.810.01.714.02.86.61.810.71.210.41.17.40.912.40.4
401-500 stems/ha6.20.85.51.49.51.76.21.27.01.07.61.77.21.110.31.57.11.55.31.87.21.95.50.95.20.83.20.66.30.3
501- 600 stems/ha1.50.42.41.02.10.82.70.83.10.75.51.44.20.83.00.82.80.92.81.44.51.62.60.62.30.51.20.42.60.2
more than 600 stems/ha1.60.41.40.82.20.91.70.60.90.45.41.53.40.85.01.14.51.23.91.65.21.71.30.51.30.40.60.32.20.2
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.
© WSL, Swiss National Forest Inventory, 11.07.2020 #853768/320099
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
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
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha23.61.524.91.322.81.939.72.054.34.928.00.8
101-200 stems/ha26.91.623.21.324.92.023.91.817.03.824.40.8
201-300 stems/ha25.21.623.31.321.41.914.11.514.93.621.50.8
301-400 stems/ha15.31.315.81.114.31.610.81.37.92.714.20.6
401-500 stems/ha4.20.78.40.98.61.37.01.16.02.47.00.5
501- 600 stems/ha3.10.62.50.55.11.02.90.70.0.3.10.3
more than 600 stems/ha1.50.42.00.42.70.71.60.50.0.1.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha13.27.10.0.10.93.921.32.341.06.322.11.9
101-200 stems/ha35.210.00.0.23.75.425.52.535.76.127.12.1
201-300 stems/ha22.28.70.0.22.25.125.22.513.24.423.02.0
301-400 stems/ha21.08.30.0.19.15.014.42.00.0.13.51.6
401-500 stems/ha4.24.10.0.16.04.67.51.53.22.27.91.3
501- 600 stems/ha4.24.10.0.8.13.54.11.15.33.04.91.0
more than 600 stems/ha0.0.0.0.0.0.2.00.81.61.61.50.6
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha16.12.922.44.117.11.730.81.753.52.331.21.0
101-200 stems/ha30.23.622.94.225.62.028.01.623.02.026.21.0
201-300 stems/ha24.83.430.74.623.22.018.81.415.01.720.10.9
301-400 stems/ha16.93.017.03.815.31.711.41.26.31.111.90.7
401-500 stems/ha8.82.34.02.09.71.45.60.81.10.55.70.5
501- 600 stems/ha3.11.42.01.45.41.03.10.60.60.43.00.4
more than 600 stems/ha0.0.1.01.03.60.92.10.50.40.31.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha22.11.324.71.219.41.232.01.152.42.028.70.6
101-200 stems/ha27.61.423.21.325.21.426.11.123.21.725.30.6
201-300 stems/ha25.11.423.91.322.31.318.41.014.81.421.10.6
301-400 stems/ha15.71.215.91.115.11.111.80.86.01.013.30.5
401-500 stems/ha5.00.78.00.89.60.96.50.62.10.66.60.3
501- 600 stems/ha3.10.62.40.55.40.73.20.41.00.43.20.2
more than 600 stems/ha1.30.41.90.43.00.51.90.30.50.31.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853769/320100
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha23.51.525.01.324.91.942.32.058.34.629.30.8
101-200 stems/ha27.11.623.01.324.51.923.71.715.73.424.20.8
201-300 stems/ha25.51.523.01.320.71.813.41.413.93.221.00.7
301-400 stems/ha15.21.315.91.113.81.69.91.26.92.413.80.6
401-500 stems/ha4.10.78.60.98.31.26.61.05.22.16.90.5
501- 600 stems/ha3.00.62.40.55.21.02.60.60.0.3.00.3
more than 600 stems/ha1.50.42.10.42.60.71.50.50.0.1.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha13.27.10.0.10.83.822.12.340.36.322.41.9
101-200 stems/ha35.210.00.0.23.35.325.82.536.86.127.32.1
201-300 stems/ha22.28.70.0.23.45.224.52.413.04.322.71.9
301-400 stems/ha21.08.3100.0.18.84.914.32.00.0.13.61.6
401-500 stems/ha4.24.10.0.15.74.67.31.53.12.27.71.2
501- 600 stems/ha4.24.10.0.8.03.44.01.15.22.94.71.0
more than 600 stems/ha0.0.0.0.0.0.1.90.81.61.51.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha17.12.922.24.117.51.731.41.653.32.231.61.0
101-200 stems/ha29.83.622.74.225.42.027.61.623.52.026.01.0
201-300 stems/ha24.53.431.44.623.61.919.21.414.91.620.30.9
301-400 stems/ha16.72.916.83.715.21.611.41.16.11.111.80.7
401-500 stems/ha8.72.24.01.99.41.35.40.81.00.55.50.5
501- 600 stems/ha3.01.32.01.45.41.03.00.60.60.33.00.4
more than 600 stems/ha0.0.1.01.03.50.82.00.50.60.31.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha22.21.324.71.220.61.233.51.153.01.929.50.6
101-200 stems/ha27.81.422.91.224.91.325.91.123.31.725.10.6
201-300 stems/ha25.31.423.81.322.21.318.10.914.51.420.90.5
301-400 stems/ha15.61.216.01.114.81.111.40.85.70.913.10.4
401-500 stems/ha4.90.78.20.89.30.96.20.62.00.56.50.3
501- 600 stems/ha3.10.52.40.55.40.73.10.40.90.43.10.2
more than 600 stems/ha1.20.42.00.42.90.51.80.30.60.31.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853770/320101
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha24.41.025.40.922.61.341.91.460.73.229.30.6
101-200 stems/ha27.01.121.70.923.61.323.71.219.92.723.70.5
201-300 stems/ha24.81.123.50.920.21.314.81.011.12.121.10.5
301-400 stems/ha15.10.916.20.816.11.210.80.94.91.414.40.4
401-500 stems/ha5.20.68.30.69.00.94.80.62.61.16.70.3
501- 600 stems/ha2.20.42.90.44.60.72.70.50.0.2.80.2
more than 600 stems/ha1.30.32.00.33.80.61.30.30.90.61.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha7.74.30.0.14.03.123.71.640.14.124.21.4
101-200 stems/ha30.67.40.0.24.43.924.31.733.73.925.91.4
201-300 stems/ha25.77.00.0.24.73.924.11.713.82.922.71.3
301-400 stems/ha23.26.7100.0.16.63.414.41.45.51.913.91.1
401-500 stems/ha7.74.30.0.11.42.96.61.03.41.56.80.8
501- 600 stems/ha5.13.50.0.7.42.44.70.82.81.44.70.7
more than 600 stems/ha0.0.0.0.1.51.12.10.60.70.71.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha18.62.324.83.019.81.229.91.253.01.631.80.7
101-200 stems/ha30.72.725.43.123.91.426.51.223.41.425.30.7
201-300 stems/ha25.32.526.53.123.41.320.51.113.81.120.30.6
301-400 stems/ha14.72.112.42.315.41.111.20.86.50.811.50.5
401-500 stems/ha7.21.57.41.89.00.96.70.71.80.46.20.4
501- 600 stems/ha2.70.92.51.14.60.73.40.51.00.33.00.3
more than 600 stems/ha0.70.51.00.73.90.61.80.30.60.31.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.20.925.40.920.80.933.00.852.91.329.70.4
101-200 stems/ha27.61.022.00.923.80.925.00.723.91.224.50.4
201-300 stems/ha24.91.023.80.921.90.919.10.713.30.921.00.4
301-400 stems/ha15.20.816.00.815.80.811.70.66.10.713.30.3
401-500 stems/ha5.60.58.20.69.10.66.00.42.10.46.50.2
501- 600 stems/ha2.30.32.80.34.80.53.40.31.00.33.10.2
more than 600 stems/ha1.20.21.90.33.80.41.70.20.70.21.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853771/320102
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
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
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha20.41.425.31.221.21.937.42.050.35.026.50.8
101-200 stems/ha30.31.723.71.325.22.024.01.818.23.925.60.8
201-300 stems/ha26.41.625.01.324.42.018.21.616.53.723.70.8
301-400 stems/ha13.81.214.31.114.51.68.81.28.92.813.00.6
401-500 stems/ha5.60.87.50.87.31.27.41.14.12.06.80.5
501- 600 stems/ha2.00.52.80.52.90.82.00.61.91.32.40.3
more than 600 stems/ha1.40.41.40.44.40.92.30.60.0.2.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha13.27.10.0.14.54.524.12.431.36.023.12.0
101-200 stems/ha26.59.20.0.21.65.124.82.538.86.226.32.1
201-300 stems/ha38.710.10.0.19.64.923.52.416.64.822.92.0
301-400 stems/ha17.47.90.0.23.45.315.42.04.82.715.21.7
401-500 stems/ha4.24.10.0.11.24.06.41.45.33.06.81.2
501- 600 stems/ha0.0.0.0.8.13.53.81.10.0.3.70.9
more than 600 stems/ha0.0.0.0.1.71.62.00.83.22.22.00.7
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha14.22.716.43.616.21.731.41.746.02.329.01.0
101-200 stems/ha26.93.527.74.524.62.027.51.624.32.026.01.0
201-300 stems/ha25.63.434.14.725.82.019.71.416.81.721.70.9
301-400 stems/ha20.83.212.93.315.31.711.91.28.61.312.70.8
401-500 stems/ha9.42.38.02.78.61.34.30.72.90.85.60.5
501- 600 stems/ha1.20.90.0.4.61.02.90.61.10.52.60.4
more than 600 stems/ha1.81.01.01.05.01.02.40.50.40.32.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha19.21.224.51.218.51.232.01.145.32.027.10.6
101-200 stems/ha29.71.524.11.324.71.425.71.124.71.725.80.6
201-300 stems/ha26.61.425.91.324.81.419.91.016.71.522.90.6
301-400 stems/ha15.01.114.21.015.51.111.50.88.31.113.10.5
401-500 stems/ha6.20.87.50.88.10.95.80.63.30.76.40.3
501- 600 stems/ha1.80.42.50.54.00.62.80.41.10.42.60.2
more than 600 stems/ha1.40.41.40.34.50.72.30.40.60.32.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853772/320103
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha21.31.425.51.223.11.942.91.957.14.328.90.8
101-200 stems/ha30.31.624.01.324.61.922.81.617.43.425.20.8
201-300 stems/ha25.91.524.41.323.71.916.21.413.83.022.50.7
301-400 stems/ha13.51.214.31.113.81.57.61.07.02.312.40.6
401-500 stems/ha5.40.87.40.87.41.26.40.93.21.66.50.4
501- 600 stems/ha1.90.52.80.52.90.72.00.51.51.12.40.3
more than 600 stems/ha1.50.41.60.44.50.92.10.60.0.2.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha13.27.10.0.15.84.625.62.432.55.824.62.0
101-200 stems/ha26.59.20.0.21.25.124.72.438.06.026.12.0
201-300 stems/ha38.710.10.0.19.34.822.82.317.24.722.41.9
301-400 stems/ha17.47.90.0.23.05.215.12.04.52.514.91.6
401-500 stems/ha4.24.10.0.11.03.96.21.35.02.86.61.1
501- 600 stems/ha0.0.0.0.8.03.43.71.00.0.3.60.9
more than 600 stems/ha0.0.0.0.1.61.61.90.83.02.11.90.6
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha14.52.716.23.616.91.733.41.647.82.230.51.0
101-200 stems/ha28.13.528.44.524.21.926.71.623.71.925.61.0
201-300 stems/ha25.03.433.84.726.22.019.01.416.11.721.20.9
301-400 stems/ha20.33.112.83.315.21.611.41.18.11.212.30.7
401-500 stems/ha9.22.37.92.78.51.34.50.72.80.75.60.5
501- 600 stems/ha1.20.80.0.4.30.92.80.61.00.42.50.3
more than 600 stems/ha1.71.01.01.04.71.02.20.50.40.32.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha20.01.224.71.219.81.235.51.148.11.829.20.6
101-200 stems/ha29.91.524.31.324.21.324.91.023.81.625.40.6
201-300 stems/ha26.11.425.21.324.61.318.70.915.81.422.10.5
301-400 stems/ha14.71.114.21.015.01.110.70.77.61.012.50.4
401-500 stems/ha6.00.77.40.88.10.85.50.53.10.76.20.3
501- 600 stems/ha1.80.42.50.53.80.62.70.41.00.42.50.2
more than 600 stems/ha1.50.41.60.44.40.62.10.30.60.32.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853773/320104
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha22.61.325.91.223.11.743.71.858.34.029.60.7
101-200 stems/ha29.71.524.21.223.51.822.11.518.13.224.80.7
201-300 stems/ha25.01.423.81.224.31.816.31.313.42.822.20.7
301-400 stems/ha13.91.114.41.013.11.47.10.96.22.012.20.5
401-500 stems/ha5.40.77.20.77.91.16.50.92.81.46.60.4
501- 600 stems/ha1.80.43.10.53.30.71.90.51.30.92.50.3
more than 600 stems/ha1.60.41.50.44.70.92.40.60.0.2.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha12.06.50.0.18.44.624.62.333.25.524.31.9
101-200 stems/ha28.09.00.0.21.44.825.52.337.85.726.71.9
201-300 stems/ha35.89.60.0.18.44.522.22.216.64.421.61.8
301-400 stems/ha20.08.00.0.22.64.815.01.93.92.214.81.5
401-500 stems/ha4.14.00.0.10.83.66.41.35.92.86.81.1
501- 600 stems/ha0.0.0.0.7.03.03.81.00.0.3.50.8
more than 600 stems/ha0.0.0.0.1.41.42.50.82.61.82.30.6
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha14.22.615.23.317.51.632.81.545.52.129.80.9
101-200 stems/ha28.13.431.84.323.71.826.61.525.11.925.90.9
201-300 stems/ha25.63.332.34.425.71.819.11.316.51.621.20.8
301-400 stems/ha20.03.012.13.015.71.511.41.08.21.212.40.7
401-500 stems/ha9.42.27.82.58.41.25.10.73.00.75.80.5
501- 600 stems/ha1.10.80.0.4.70.92.90.61.30.52.70.3
more than 600 stems/ha1.60.90.90.94.30.92.20.50.50.32.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha21.01.224.91.120.31.135.31.046.81.729.20.5
101-200 stems/ha29.41.424.81.223.51.224.71.025.01.625.30.5
201-300 stems/ha25.41.324.51.224.61.218.60.915.91.321.80.5
301-400 stems/ha15.01.114.21.014.91.010.50.77.40.912.50.4
401-500 stems/ha6.00.77.30.78.30.85.80.53.20.66.30.3
501- 600 stems/ha1.70.42.80.54.20.62.70.41.20.42.60.2
more than 600 stems/ha1.50.41.50.34.30.62.30.30.60.32.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853774/320105
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha12.0110.0.0.0.12.011
101-200 stems/ha13.1110.0.0.0.13.111
201-300 stems/ha11.0120.0.0.0.11.012
301-400 stems/ha6.5160.0.0.0.6.516
401-500 stems/ha2.8260.0.0.0.2.826
501- 600 stems/ha0.8500.0.0.0.0.850
more than 600 stems/ha0.4700.0.0.0.0.470
total46.720.0.0.0.46.72
AI0-100 stems/ha0.6570.0.0.21000.849
101-200 stems/ha0.0.0.0.0.6570.657
201-300 stems/ha0.6540.0.0.21000.845
301-400 stems/ha0.6570.21000.0.0.749
401-500 stems/ha0.21000.4680.8401.531
501- 600 stems/ha0.3670.0.0.21000.551
more than 600 stems/ha0.0.0.0.0.21000.2100
total2.3250.6572.2245.19
AR0-100 stems/ha0.7490.0.0.31001.043
101-200 stems/ha1.5340.0.0.3691.830
201-300 stems/ha0.5710.0.0.5550.945
301-400 stems/ha0.7500.0.0.7491.434
401-500 stems/ha1.2410.0.0.9452.128
501- 600 stems/ha0.3690.21000.21000.646
more than 600 stems/ha0.4720.0.0.0.0.472
total5.3130.21002.7228.16
BE0-100 stems/ha20.891.83310.61333.17
101-200 stems/ha20.792.62819.41042.76
201-300 stems/ha20.493.52317.61041.56
301-400 stems/ha11.7132.4298.91423.09
401-500 stems/ha5.1201.6353.92310.613
501- 600 stems/ha3.0260.4713.5246.917
more than 600 stems/ha1.8330.4711.0453.225
total83.5412.71264.94161.11
BL/BS0-100 stems/ha3.7230.0.0.6594.321
101-200 stems/ha5.5170.0.1.1446.615
201-300 stems/ha2.1320.0.0.9503.026
301-400 stems/ha3.3240.0.0.8504.121
401-500 stems/ha0.21000.0.0.4710.658
501- 600 stems/ha0.9490.0.0.0.0.949
more than 600 stems/ha0.0.0.0.0.0.0.0.
total15.760.0.3.92219.64
FR0-100 stems/ha6.2170.3703.42410.013
101-200 stems/ha5.1190.0.3.1248.214
201-300 stems/ha3.5240.5571.8315.817
301-400 stems/ha4.2210.0.2.1296.316
401-500 stems/ha4.1220.21001.2415.619
501- 600 stems/ha1.9330.0.0.8502.727
more than 600 stems/ha0.9500.0.0.4711.241
total25.951.04012.81039.73
GE0-100 stems/ha1.6400.0.0.0.1.640
101-200 stems/ha0.41000.0.0.0.0.4100
201-300 stems/ha0.8660.0.0.0.0.866
301-400 stems/ha0.41000.0.0.0.0.4100
401-500 stems/ha0.0.0.0.0.0.0.0.
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GL0-100 stems/ha1.3371.4371.1403.820
101-200 stems/ha1.2401.3371.0443.521
201-300 stems/ha1.0440.21000.6571.931
301-400 stems/ha0.21000.21001.4371.832
401-500 stems/ha0.8490.4690.7491.929
501- 600 stems/ha0.21000.21000.21000.555
more than 600 stems/ha0.21000.21000.0.0.471
total4.9183.8205.11713.87
GR0-100 stems/ha20.195.31923.7949.05
101-200 stems/ha13.5126.61719.3939.56
201-300 stems/ha6.8174.22113.11224.28
301-400 stems/ha7.7161.8336.91716.310
401-500 stems/ha4.3211.2413.3248.814
501- 600 stems/ha1.2411.4381.8334.421
more than 600 stems/ha0.6580.21001.6352.429
total54.2520.7969.64144.52
JU0-100 stems/ha6.0150.21001.6347.713
101-200 stems/ha3.7220.5563.1247.415
201-300 stems/ha4.7190.0.2.5267.214
301-400 stems/ha3.7220.0.1.9315.617
401-500 stems/ha1.6340.21001.0442.726
501- 600 stems/ha0.8490.0.0.4711.240
more than 600 stems/ha1.0450.0.0.0.1.045
total21.360.94310.51132.83
LU0-100 stems/ha5.3180.0.1.1406.416
101-200 stems/ha8.3140.0.1.93310.212
201-300 stems/ha7.0160.21001.6358.814
301-400 stems/ha5.7180.21001.6357.515
401-500 stems/ha3.7220.0.0.7574.421
501- 600 stems/ha1.2400.21000.0.1.437
more than 600 stems/ha0.8490.0.0.0.0.849
total31.940.6586.81639.43
NE0-100 stems/ha4.2200.0.1.1405.217
101-200 stems/ha7.8140.5570.9449.312
201-300 stems/ha6.3160.21000.4726.915
301-400 stems/ha2.8250.21000.3703.422
401-500 stems/ha0.6580.0.0.21000.850
501- 600 stems/ha1.1440.0.0.0.1.144
more than 600 stems/ha0.5580.0.0.0.0.558
total23.451.0442.82427.33
NW0-100 stems/ha1.2430.0.0.31001.539
101-200 stems/ha0.8560.31000.4721.539
201-300 stems/ha0.8560.0.0.8501.637
301-400 stems/ha0.4720.4720.21001.042
401-500 stems/ha0.31000.21000.6581.143
501- 600 stems/ha0.0.0.31000.31000.571
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.5211.2442.6267.29
OW0-100 stems/ha2.4260.3692.0304.817
101-200 stems/ha2.0300.7561.3404.120
201-300 stems/ha2.2300.21001.6353.921
301-400 stems/ha0.7500.11001.7342.527
401-500 stems/ha1.0450.3720.21001.635
501- 600 stems/ha0.21000.0.0.4700.656
more than 600 stems/ha0.5710.0.0.11000.659
total9.1121.7337.41318.14
SG0-100 stems/ha5.5190.7563.0259.214
101-200 stems/ha3.6241.1455.91810.613
201-300 stems/ha5.1191.3416.81613.211
301-400 stems/ha3.1250.8503.1257.116
401-500 stems/ha1.8330.21002.2284.121
501- 600 stems/ha0.7500.0.1.1401.831
more than 600 stems/ha0.4710.21002.1302.727
total20.194.42124.3748.84
SH0-100 stems/ha4.5160.0.0.0.4.516
101-200 stems/ha3.2230.0.0.0.3.223
201-300 stems/ha1.8310.0.0.21002.029
301-400 stems/ha1.2380.0.0.21001.435
401-500 stems/ha0.6570.0.0.0.0.657
501- 600 stems/ha0.21000.0.0.0.0.2100
more than 600 stems/ha0.4710.0.0.0.0.471
total11.940.0.0.46912.33
SO0-100 stems/ha7.2150.0.0.4727.615
101-200 stems/ha7.5150.0.0.21007.814
201-300 stems/ha6.7150.0.1.3417.914
301-400 stems/ha5.4180.21000.6596.116
401-500 stems/ha0.5580.0.0.4720.945
501- 600 stems/ha1.2410.0.0.0.1.241
more than 600 stems/ha0.0.0.0.0.0.0.0.
total28.530.21002.92631.62
SZ0-100 stems/ha2.6260.21002.0304.818
101-200 stems/ha4.2210.3702.8257.415
201-300 stems/ha3.5230.21002.1305.817
301-400 stems/ha1.4380.7562.2284.319
401-500 stems/ha0.9490.0.0.8501.734
501- 600 stems/ha0.6570.0.0.21000.950
more than 600 stems/ha0.21000.0.0.4710.658
total13.5101.43710.71125.54
TG0-100 stems/ha4.9150.0.0.8455.714
101-200 stems/ha3.9200.0.0.4734.319
201-300 stems/ha4.0200.0.0.9454.917
301-400 stems/ha2.9240.0.0.4733.322
401-500 stems/ha0.7510.0.0.0.0.751
501- 600 stems/ha0.11000.0.0.0.0.1100
more than 600 stems/ha0.6600.0.0.0.0.660
total17.250.0.2.42619.63
TI0-100 stems/ha9.5143.62340.0653.15
101-200 stems/ha2.8272.52718.61023.98
201-300 stems/ha2.0311.53811.41314.911
301-400 stems/ha1.0450.0.4.7215.719
401-500 stems/ha1.0450.21000.6581.833
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.21000.21000.470
total16.3108.01575.6399.92
UR0-100 stems/ha2.4270.0.1.4373.820
101-200 stems/ha0.8500.6580.8492.229
201-300 stems/ha0.5571.5341.4373.422
301-400 stems/ha0.7490.8490.0.1.634
401-500 stems/ha0.4710.4710.21000.944
501- 600 stems/ha0.0.0.21000.6580.850
more than 600 stems/ha0.0.0.0.0.21000.2100
total4.8183.5214.61812.96
VD0-100 stems/ha16.8101.0454.82022.58
101-200 stems/ha17.3101.2404.32122.98
201-300 stems/ha18.491.4383.72323.58
301-400 stems/ha8.1150.6581.63510.313
401-500 stems/ha4.5200.21000.5575.219
501- 600 stems/ha1.4380.6580.21002.130
more than 600 stems/ha1.0450.0.0.21001.241
total67.535.01915.21087.72
VS0-100 stems/ha13.2124.92020.2938.36
101-200 stems/ha5.1196.01713.91125.08
201-300 stems/ha3.5235.8187.91517.210
301-400 stems/ha1.0453.5235.2199.713
401-500 stems/ha0.9441.5352.7265.119
501- 600 stems/ha0.6581.0451.3372.925
more than 600 stems/ha0.21000.21000.4710.850
total24.5822.9851.6599.02
ZG0-100 stems/ha1.1390.0.0.3671.433
101-200 stems/ha0.9440.0.0.9431.828
201-300 stems/ha0.4710.0.0.3710.750
301-400 stems/ha0.5580.21000.5521.235
401-500 stems/ha0.0.0.0.0.21000.2100
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total2.9190.21002.3225.48
ZH0-100 stems/ha10.8110.0.0.65811.311
101-200 stems/ha10.0130.0.0.0.10.013
201-300 stems/ha12.0120.0.0.0.12.012
301-400 stems/ha8.3140.0.0.21008.514
401-500 stems/ha3.9220.0.0.0.3.922
501- 600 stems/ha1.1440.0.0.6581.735
more than 600 stems/ha1.1440.0.0.21001.340
total47.120.0.1.63548.82
Switzerland0-100 stems/ha164.6319.610119.34303.62
101-200 stems/ha143.1324.49100.44267.92
201-300 stems/ha125.5420.91077.75224.03
301-400 stems/ha82.3512.31345.16139.74
401-500 stems/ha41.177.01721.6969.65
501- 600 stems/ha17.8114.32111.71333.98
more than 600 stems/ha10.8141.4387.01719.210
total585.2189.84382.821057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #853775/320106
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha12.2110.0.0.0.12.211
101-200 stems/ha13.3110.0.0.0.13.311
201-300 stems/ha11.4120.0.0.0.11.412
301-400 stems/ha6.5160.0.0.0.6.516
401-500 stems/ha2.8260.0.0.0.2.826
501- 600 stems/ha0.8500.0.0.0.0.850
more than 600 stems/ha0.4700.0.0.0.0.470
total47.520.0.0.0.47.52
AI0-100 stems/ha0.6570.0.0.21000.849
101-200 stems/ha0.0.0.0.0.6570.657
201-300 stems/ha0.6540.0.0.21000.845
301-400 stems/ha0.6570.21000.0.0.749
401-500 stems/ha0.21000.4680.8401.531
501- 600 stems/ha0.3670.0.0.21000.551
more than 600 stems/ha0.0.0.0.0.21000.2100
total2.3250.6572.2245.19
AR0-100 stems/ha0.7490.0.0.31001.043
101-200 stems/ha1.5340.0.0.3691.830
201-300 stems/ha0.5710.0.0.5550.945
301-400 stems/ha0.7500.0.0.7491.434
401-500 stems/ha1.2410.0.0.9452.128
501- 600 stems/ha0.3690.21000.21000.646
more than 600 stems/ha0.4720.0.0.0.0.472
total5.3130.21002.7228.16
BE0-100 stems/ha22.492.03211.21335.67
101-200 stems/ha21.192.82719.41043.36
201-300 stems/ha20.893.72318.41042.96
301-400 stems/ha11.9132.4299.71424.09
401-500 stems/ha5.1201.6353.92310.613
501- 600 stems/ha3.0260.4713.5246.917
more than 600 stems/ha2.0320.4711.0453.424
total86.3413.31267.14166.71
BL/BS0-100 stems/ha3.9220.0.0.6594.520
101-200 stems/ha5.5170.0.1.1446.615
201-300 stems/ha2.1320.0.0.9503.026
301-400 stems/ha3.3240.0.0.8504.121
401-500 stems/ha0.21000.0.0.4710.658
501- 600 stems/ha0.9490.0.0.0.0.949
more than 600 stems/ha0.0.0.0.0.0.0.0.
total15.960.0.3.92219.73
FR0-100 stems/ha6.6170.3703.42410.413
101-200 stems/ha5.1190.0.3.2238.414
201-300 stems/ha3.5240.5571.8315.817
301-400 stems/ha4.2210.0.2.1296.316
401-500 stems/ha4.1220.21001.2415.619
501- 600 stems/ha1.9330.0.1.0452.926
more than 600 stems/ha0.9500.0.0.4711.241
total26.361.04013.11040.53
GE0-100 stems/ha1.6400.0.0.0.1.640
101-200 stems/ha0.41000.0.0.0.0.4100
201-300 stems/ha0.8660.0.0.0.0.866
301-400 stems/ha0.41000.0.0.0.0.4100
401-500 stems/ha0.0.0.0.0.0.0.0.
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GL0-100 stems/ha1.5351.4371.3374.219
101-200 stems/ha1.2401.3371.0443.521
201-300 stems/ha1.0440.21000.6571.931
301-400 stems/ha0.21000.21001.4371.832
401-500 stems/ha0.8490.4690.7491.929
501- 600 stems/ha0.21000.21000.21000.555
more than 600 stems/ha0.21000.21000.0.0.471
total5.1173.8205.31714.27
GR0-100 stems/ha23.395.71824.5853.45
101-200 stems/ha14.2116.81719.3940.36
201-300 stems/ha7.0164.22113.71224.98
301-400 stems/ha7.7161.8337.11616.510
401-500 stems/ha4.3211.2413.3248.814
501- 600 stems/ha1.2411.4381.8334.421
more than 600 stems/ha0.6580.21001.8332.627
total58.2521.3971.44150.92
JU0-100 stems/ha6.2150.21001.8328.113
101-200 stems/ha4.1210.5563.1247.814
201-300 stems/ha5.1180.0.2.5267.614
301-400 stems/ha3.7220.0.1.9315.617
401-500 stems/ha1.6340.21001.0442.726
501- 600 stems/ha0.8490.0.0.4711.240
more than 600 stems/ha1.0450.0.0.0.1.045
total22.460.94310.71134.03
LU0-100 stems/ha6.3160.0.1.1407.415
101-200 stems/ha8.5140.0.1.93310.412
201-300 stems/ha7.0160.21001.6358.814
301-400 stems/ha5.7180.4701.6357.715
401-500 stems/ha3.9220.0.0.7574.620
501- 600 stems/ha1.2400.21000.0.1.437
more than 600 stems/ha0.8490.0.0.0.0.849
total33.340.8506.81641.03
NE0-100 stems/ha4.4190.0.1.3385.617
101-200 stems/ha8.3130.5570.9449.812
201-300 stems/ha6.3160.21000.4726.915
301-400 stems/ha2.8250.21000.3703.422
401-500 stems/ha0.6580.0.0.21000.850
501- 600 stems/ha1.1440.0.0.0.1.144
more than 600 stems/ha0.5580.0.0.0.0.558
total24.151.0443.02328.23
NW0-100 stems/ha1.2430.0.0.5711.835
101-200 stems/ha0.8560.31000.4721.539
201-300 stems/ha0.8560.0.0.8501.637
301-400 stems/ha0.4720.4720.21001.042
401-500 stems/ha0.31000.21000.6581.143
501- 600 stems/ha0.0.0.31000.31000.571
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.5211.2442.8247.58
OW0-100 stems/ha2.6250.3692.2285.117
101-200 stems/ha2.0300.7561.3404.120
201-300 stems/ha2.2300.21001.8334.220
301-400 stems/ha0.7500.11001.7342.527
401-500 stems/ha1.0450.3720.21001.635
501- 600 stems/ha0.21000.0.0.4700.656
more than 600 stems/ha0.5710.0.0.11000.659
total9.3121.7337.81318.74
SG0-100 stems/ha6.8170.7563.42410.912
101-200 stems/ha4.0221.1456.41711.512
201-300 stems/ha5.1191.3417.41613.911
301-400 stems/ha3.1250.8503.1257.116
401-500 stems/ha1.8330.21002.2284.121
501- 600 stems/ha0.7500.0.1.1401.831
more than 600 stems/ha0.4710.21002.1302.727
total21.884.42125.8752.03
SH0-100 stems/ha4.5160.0.0.0.4.516
101-200 stems/ha3.2230.0.0.0.3.223
201-300 stems/ha1.8310.0.0.21002.029
301-400 stems/ha1.2380.0.0.21001.435
401-500 stems/ha0.6570.0.0.0.0.657
501- 600 stems/ha0.21000.0.0.0.0.2100
more than 600 stems/ha0.4710.0.0.0.0.471
total11.940.0.0.46912.33
SO0-100 stems/ha7.2150.0.0.4727.615
101-200 stems/ha7.5150.0.0.21007.814
201-300 stems/ha6.7150.0.1.3417.914
301-400 stems/ha5.6170.21000.6596.416
401-500 stems/ha0.7500.0.0.4721.141
501- 600 stems/ha1.2410.0.0.0.1.241
more than 600 stems/ha0.0.0.0.0.0.0.0.
total28.930.21002.92631.92
SZ0-100 stems/ha3.4230.21002.0305.716
101-200 stems/ha4.4200.5562.8257.814
201-300 stems/ha3.5230.21002.4286.016
301-400 stems/ha1.4380.8492.2284.519
401-500 stems/ha0.9490.0.0.8501.734
501- 600 stems/ha0.6570.0.0.21000.950
more than 600 stems/ha0.21000.0.0.4710.658
total14.591.73210.91127.14
TG0-100 stems/ha5.1150.0.0.8455.813
101-200 stems/ha3.9200.0.0.4734.319
201-300 stems/ha4.0200.0.0.9454.917
301-400 stems/ha2.9240.0.0.4733.322
401-500 stems/ha0.7510.0.0.0.0.751
501- 600 stems/ha0.11000.0.0.0.0.1100
more than 600 stems/ha0.6600.0.0.0.0.660
total17.350.0.2.42619.73
TI0-100 stems/ha11.6133.62341.5656.85
101-200 stems/ha3.0262.52719.8925.38
201-300 stems/ha2.2301.53811.81215.511
301-400 stems/ha1.0450.0.4.7215.719
401-500 stems/ha1.0450.21000.6581.833
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.21000.21000.470
total18.8108.01578.73105.52
UR0-100 stems/ha2.4270.0.1.6344.020
101-200 stems/ha1.0440.6581.0442.626
201-300 stems/ha0.7491.5341.4373.621
301-400 stems/ha0.7490.8490.0.1.634
401-500 stems/ha0.4710.4710.21000.944
501- 600 stems/ha0.0.0.21000.6580.850
more than 600 stems/ha0.0.0.0.0.21000.2100
total5.2173.5215.01713.76
VD0-100 stems/ha17.0101.0454.82022.78
101-200 stems/ha18.591.4374.32124.28
201-300 stems/ha18.891.4384.12124.38
301-400 stems/ha8.5140.6581.63510.713
401-500 stems/ha4.9200.21000.5575.618
501- 600 stems/ha1.4380.6580.21002.130
more than 600 stems/ha1.0450.0.0.21001.241
total70.035.11915.61090.82
VS0-100 stems/ha15.4115.11921.1941.76
101-200 stems/ha5.3196.01714.51125.88
201-300 stems/ha3.5235.8188.11517.410
301-400 stems/ha1.0453.5235.2199.713
401-500 stems/ha1.1411.5352.7265.418
501- 600 stems/ha0.6581.0451.3372.925
more than 600 stems/ha0.21000.21000.4710.850
total27.1823.1853.45103.62
ZG0-100 stems/ha1.1390.0.0.3671.433
101-200 stems/ha0.9440.0.1.1382.026
201-300 stems/ha0.4710.0.0.3710.750
301-400 stems/ha0.5580.21000.5521.235
401-500 stems/ha0.0.0.0.0.21000.2100
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total2.9190.21002.5205.57
ZH0-100 stems/ha11.2110.0.0.65811.711
101-200 stems/ha10.0130.0.0.0.10.013
201-300 stems/ha12.4110.0.0.0.12.411
301-400 stems/ha8.7140.0.0.21008.914
401-500 stems/ha3.9220.0.0.0.3.922
501- 600 stems/ha1.3400.0.0.6581.933
more than 600 stems/ha1.1440.0.0.21001.340
total48.520.0.1.63550.22
Switzerland0-100 stems/ha179.3320.510124.84324.62
101-200 stems/ha147.8325.19103.14276.02
201-300 stems/ha128.0421.11081.15230.13
301-400 stems/ha83.5512.61246.16142.23
401-500 stems/ha42.077.01721.6970.65
501- 600 stems/ha18.0104.32111.91334.38
more than 600 stems/ha11.0131.4387.21619.610
total609.7191.94395.921097.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #853776/320107
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
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
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha24.21.433.21.323.71.932.31.941.24.929.30.8
101-200 stems/ha28.21.628.31.429.32.125.01.822.04.227.60.8
201-300 stems/ha26.61.621.41.219.61.819.51.717.03.822.00.7
301-400 stems/ha12.31.211.41.013.11.513.11.410.93.112.20.6
401-500 stems/ha5.00.83.90.66.71.16.11.06.92.55.20.4
501- 600 stems/ha2.20.50.50.23.90.92.00.61.01.01.80.2
more than 600 stems/ha1.40.41.40.43.60.82.00.61.01.01.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha0.0.0.0.14.84.521.32.320.85.119.21.8
101-200 stems/ha17.27.80.0.32.45.926.42.534.76.127.92.1
201-300 stems/ha39.310.20.0.15.14.424.42.424.75.523.92.0
301-400 stems/ha26.79.30.0.19.04.915.42.04.82.715.11.7
401-500 stems/ha12.66.80.0.10.93.95.81.310.13.97.41.2
501- 600 stems/ha4.24.10.0.3.12.14.51.21.71.63.90.9
more than 600 stems/ha0.0.0.0.4.72.72.30.83.22.22.60.7
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha20.13.122.84.219.21.726.31.627.52.024.20.9
101-200 stems/ha24.33.436.54.827.62.127.61.629.72.128.31.0
201-300 stems/ha30.83.720.94.124.32.022.61.521.71.923.41.0
301-400 stems/ha14.92.87.92.713.71.611.71.211.31.512.20.7
401-500 stems/ha3.91.65.02.29.01.37.00.95.91.16.90.6
501- 600 stems/ha3.61.57.02.54.20.93.00.62.40.73.40.4
more than 600 stems/ha2.41.20.0.1.90.61.70.51.60.61.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha22.91.232.21.221.11.227.41.029.11.826.60.5
101-200 stems/ha27.31.429.11.328.71.426.51.128.91.827.90.6
201-300 stems/ha27.61.421.31.221.51.321.91.021.21.622.70.6
301-400 stems/ha13.11.111.10.913.71.112.90.810.61.212.40.4
401-500 stems/ha5.00.74.00.68.00.96.40.66.51.06.00.3
501- 600 stems/ha2.50.51.10.34.00.62.90.42.10.62.60.2
more than 600 stems/ha1.50.41.20.32.90.51.90.31.60.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853777/320108
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha13.170.0.0.0.13.17
101-200 stems/ha12.380.0.0.0.12.38
201-300 stems/ha12.080.0.0.0.12.08
301-400 stems/ha6.7110.0.0.0.6.711
401-500 stems/ha3.0170.0.0.0.3.017
501- 600 stems/ha0.6410.0.0.0.0.641
more than 600 stems/ha0.2710.0.0.0.0.271
total47.910.0.0.0.47.91
AI0-100 stems/ha0.5440.0.0.8321.424
101-200 stems/ha0.2690.11000.4500.636
201-300 stems/ha0.4510.11000.2570.734
301-400 stems/ha0.4430.11000.2710.733
401-500 stems/ha0.4500.2690.4410.928
501- 600 stems/ha0.2690.0.0.2690.345
more than 600 stems/ha0.2720.0.0.11000.359
total2.2170.4432.3174.97
AR0-100 stems/ha1.0310.0.0.6421.523
101-200 stems/ha1.1290.11000.3581.524
201-300 stems/ha0.4500.0.0.3480.835
301-400 stems/ha0.8320.0.0.6401.424
401-500 stems/ha0.8350.0.0.7351.524
501- 600 stems/ha0.4420.11000.11000.635
more than 600 stems/ha0.4500.0.0.2710.641
total4.9100.2722.8167.94
BE0-100 stems/ha22.462.12212.0936.55
101-200 stems/ha20.573.41718.0741.84
201-300 stems/ha20.773.21816.8740.74
301-400 stems/ha13.682.5209.01025.06
401-500 stems/ha5.8131.7244.41511.99
501- 600 stems/ha2.5200.6412.7205.813
more than 600 stems/ha1.6250.5451.5263.717
total87.0313.9864.43165.41
BL/BS0-100 stems/ha4.2140.0.0.7384.913
101-200 stems/ha4.7130.0.1.4276.111
201-300 stems/ha3.5160.0.0.7374.314
301-400 stems/ha2.9180.0.0.5443.516
401-500 stems/ha0.8350.0.0.2711.031
501- 600 stems/ha0.5440.0.0.0.0.544
more than 600 stems/ha0.11000.0.0.0.0.1100
total16.940.0.3.51620.42
FR0-100 stems/ha6.3120.5453.71610.49
101-200 stems/ha4.0150.2713.2177.411
201-300 stems/ha3.9150.6402.4206.911
301-400 stems/ha4.0150.2711.8236.012
401-500 stems/ha3.6160.2711.3285.113
501- 600 stems/ha1.6250.11001.3282.918
more than 600 stems/ha0.8350.0.0.9331.724
total24.241.82314.5740.42
GE0-100 stems/ha1.7200.0.0.0.1.720
101-200 stems/ha1.0300.0.0.0.1.030
201-300 stems/ha0.4560.0.0.0.0.456
301-400 stems/ha0.11000.0.0.0.0.1100
401-500 stems/ha0.11000.0.0.0.0.1100
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.460.0.0.0.3.46
GL0-100 stems/ha2.2201.0311.5254.813
101-200 stems/ha1.4260.7370.8352.917
201-300 stems/ha1.0310.5440.5492.022
301-400 stems/ha0.6410.5441.2282.420
401-500 stems/ha0.5440.4480.9351.823
501- 600 stems/ha0.3570.2710.3560.834
more than 600 stems/ha0.11000.2710.0.0.358
total6.2113.5155.21215.05
GR0-100 stems/ha23.466.31224.0653.64
101-200 stems/ha14.586.41218.3739.35
201-300 stems/ha8.5114.61514.4827.56
301-400 stems/ha7.1122.6197.91117.67
401-500 stems/ha3.2171.1304.0168.411
501- 600 stems/ha1.8231.3272.1225.214
more than 600 stems/ha0.5450.2711.3282.022
total59.1422.6672.03153.71
JU0-100 stems/ha6.0120.11002.0228.110
101-200 stems/ha5.4130.3573.2179.09
201-300 stems/ha5.6120.0.2.3207.910
301-400 stems/ha3.2170.0.1.8235.013
401-500 stems/ha1.6250.11000.6412.420
501- 600 stems/ha0.5440.0.0.2710.737
more than 600 stems/ha1.0310.0.0.0.1.031
total23.440.54410.2834.12
LU0-100 stems/ha6.3110.0.1.5247.810
101-200 stems/ha8.4100.0.1.82310.38
201-300 stems/ha7.2110.2701.4258.89
301-400 stems/ha6.5110.2701.0317.710
401-500 stems/ha3.1170.0.0.6413.716
501- 600 stems/ha1.4260.2710.2711.823
more than 600 stems/ha1.2270.0.0.0.1.227
total34.130.6416.51141.22
NE0-100 stems/ha4.2140.0.0.7374.913
101-200 stems/ha9.190.4500.73810.28
201-300 stems/ha6.3110.2710.8357.310
301-400 stems/ha2.8180.2710.2703.217
401-500 stems/ha1.2300.0.0.4501.525
501- 600 stems/ha0.6400.11000.11000.835
more than 600 stems/ha0.3580.0.0.11000.450
total24.530.9332.91728.42
NW0-100 stems/ha1.1300.11000.9332.120
101-200 stems/ha0.9340.2710.4501.524
201-300 stems/ha0.5440.3580.6401.525
301-400 stems/ha0.7350.3580.5431.623
401-500 stems/ha0.11000.2690.5430.833
501- 600 stems/ha0.11000.2700.11000.450
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.5141.4263.1158.05
OW0-100 stems/ha2.3190.3501.6244.314
101-200 stems/ha1.9230.5491.5263.915
201-300 stems/ha1.7240.3571.9224.015
301-400 stems/ha1.3280.2701.8243.317
401-500 stems/ha1.2290.3580.7402.221
501- 600 stems/ha0.4500.0.0.2700.740
more than 600 stems/ha0.2710.11000.2730.645
total9.181.7238.0918.83
SG0-100 stems/ha5.5130.8374.41510.89
101-200 stems/ha3.7161.0316.31211.09
201-300 stems/ha4.7141.0326.51212.28
301-400 stems/ha2.8180.7384.1157.611
401-500 stems/ha1.7230.2712.5194.514
501- 600 stems/ha0.7380.2711.4252.320
more than 600 stems/ha0.7380.11001.5252.420
total19.964.11526.8550.82
SH0-100 stems/ha3.8130.0.0.11003.913
101-200 stems/ha3.1160.0.0.11003.216
201-300 stems/ha2.4180.0.0.3582.717
301-400 stems/ha1.3260.0.0.11001.425
401-500 stems/ha0.7370.0.0.0.0.737
501- 600 stems/ha0.11000.0.0.0.0.1100
more than 600 stems/ha0.2710.0.0.0.0.271
total11.630.0.0.64012.22
SO0-100 stems/ha6.5110.0.0.6417.111
101-200 stems/ha6.5110.0.0.5457.011
201-300 stems/ha7.1100.11001.2298.49
301-400 stems/ha5.7120.11000.4506.212
401-500 stems/ha1.6250.0.0.4502.022
501- 600 stems/ha0.6410.0.0.0.0.641
more than 600 stems/ha0.11000.0.0.0.0.1100
total28.030.2703.11731.42
SZ0-100 stems/ha3.5160.3582.4206.211
101-200 stems/ha3.6160.5443.3177.310
201-300 stems/ha2.8180.3582.9186.112
301-400 stems/ha1.2290.5441.8233.616
401-500 stems/ha0.8370.0.1.3272.121
501- 600 stems/ha0.5450.11000.11000.738
more than 600 stems/ha0.4490.0.0.3570.837
total12.971.72412.2726.83
TG0-100 stems/ha4.7110.0.0.8335.510
101-200 stems/ha3.2160.0.0.5443.714
201-300 stems/ha3.5150.0.0.7374.213
301-400 stems/ha3.1160.0.0.2713.315
401-500 stems/ha1.3260.0.0.2711.524
501- 600 stems/ha0.4450.0.0.2700.638
more than 600 stems/ha0.7370.0.0.0.0.737
total17.030.0.2.41819.42
TI0-100 stems/ha11.894.61441.4457.83
101-200 stems/ha3.9163.31719.3726.55
201-300 stems/ha1.9231.42610.5913.88
301-400 stems/ha0.7380.6404.6155.913
401-500 stems/ha0.5450.3581.5262.321
501- 600 stems/ha0.0.0.11000.4500.545
more than 600 stems/ha0.2710.11000.3580.641
total19.1710.4977.92107.42
UR0-100 stems/ha2.7190.4501.8244.913
101-200 stems/ha1.1310.8381.0312.918
201-300 stems/ha0.7371.2281.3283.217
301-400 stems/ha0.6360.8380.2701.624
401-500 stems/ha0.3580.3580.3580.933
501- 600 stems/ha0.0.0.2700.4500.641
more than 600 stems/ha0.0.0.2700.11000.356
total5.4123.9155.11214.45
VD0-100 stems/ha19.761.2294.71425.75
101-200 stems/ha18.570.8354.51523.86
201-300 stems/ha18.071.0314.21523.26
301-400 stems/ha9.8100.6412.42012.88
401-500 stems/ha3.9160.3580.7384.914
501- 600 stems/ha1.8230.3580.2712.321
more than 600 stems/ha1.1300.0.0.3581.427
total72.824.21517.0794.11
VS0-100 stems/ha16.275.81317.5739.54
101-200 stems/ha6.1136.61212.6825.46
201-300 stems/ha3.9167.1128.81019.76
301-400 stems/ha1.8233.3174.3159.410
401-500 stems/ha0.9331.3282.4204.614
501- 600 stems/ha0.6410.9331.3282.819
more than 600 stems/ha0.3580.3580.5441.130
total29.8525.3547.34102.42
ZG0-100 stems/ha1.1280.0.0.4471.423
101-200 stems/ha1.1280.0.1.0292.118
201-300 stems/ha0.5440.0.0.6401.128
301-400 stems/ha0.7360.11000.3551.027
401-500 stems/ha0.0.0.0.0.11000.1100
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.3120.11002.3165.74
ZH0-100 stems/ha10.480.0.0.45010.88
101-200 stems/ha9.990.0.0.0.9.99
201-300 stems/ha12.180.0.0.0.12.18
301-400 stems/ha9.590.0.0.11009.69
401-500 stems/ha3.9160.0.0.0.3.916
501- 600 stems/ha1.7250.0.0.3582.022
more than 600 stems/ha1.3270.0.0.11001.426
total48.810.0.0.93349.71
Switzerland0-100 stems/ha180.9223.66124.43328.91
101-200 stems/ha146.1225.2699.13270.52
201-300 stems/ha129.8322.3779.43231.42
301-400 stems/ha88.1313.4944.85146.32
401-500 stems/ha41.056.61224.2671.84
501- 600 stems/ha17.484.61511.7933.75
more than 600 stems/ha11.791.7247.51221.07
total615.0197.43391.211103.60
© WSL, Swiss National Forest Inventory, 19.06.2020 #853778/320109
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
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
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha24.61.433.41.226.01.942.81.853.33.933.00.8
101-200 stems/ha28.41.628.21.428.42.022.21.619.33.126.50.8
201-300 stems/ha26.11.521.41.218.91.716.31.413.72.720.70.7
301-400 stems/ha12.21.111.31.013.21.510.31.17.52.111.40.6
401-500 stems/ha5.00.83.90.66.21.15.10.84.31.64.80.4
501- 600 stems/ha2.30.50.50.23.90.91.70.50.60.61.80.2
more than 600 stems/ha1.50.41.30.43.50.81.60.51.20.81.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha0.0.0.0.16.14.623.22.324.25.121.21.9
101-200 stems/ha17.27.80.0.31.95.826.12.433.75.727.52.0
201-300 stems/ha39.310.20.0.14.94.424.52.424.75.224.01.9
301-400 stems/ha26.79.30.0.18.74.914.51.94.22.414.21.6
401-500 stems/ha12.66.80.0.10.73.95.51.39.03.57.01.2
501- 600 stems/ha4.24.10.0.3.02.14.21.11.51.53.70.8
more than 600 stems/ha0.0.0.0.4.72.62.10.82.82.02.50.7
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha20.43.122.84.220.41.728.11.532.52.026.50.9
101-200 stems/ha24.03.436.54.826.72.028.11.628.52.027.91.0
201-300 stems/ha31.13.620.94.123.91.921.31.420.01.722.30.9
301-400 stems/ha14.72.87.92.713.21.511.11.110.21.311.50.7
401-500 stems/ha3.81.55.02.29.71.47.10.95.31.06.90.6
501- 600 stems/ha3.61.47.02.54.30.92.90.62.10.63.20.4
more than 600 stems/ha2.41.20.0.1.80.61.60.41.40.51.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.31.232.51.222.81.132.91.036.21.629.70.5
101-200 stems/ha27.41.429.01.327.81.425.51.027.01.627.10.6
201-300 stems/ha27.21.421.41.220.91.220.00.919.11.421.50.5
301-400 stems/ha13.01.111.00.913.51.011.40.79.11.011.70.4
401-500 stems/ha5.00.74.00.68.00.86.00.55.50.85.80.3
501- 600 stems/ha2.50.51.00.34.00.62.60.41.70.52.40.2
more than 600 stems/ha1.60.41.20.32.80.51.70.31.50.41.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853779/320110
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
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
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha24.91.433.51.228.11.846.61.756.43.634.90.7
101-200 stems/ha28.31.628.31.427.31.921.01.419.72.926.00.7
201-300 stems/ha26.01.521.21.218.61.615.11.312.32.420.00.7
301-400 stems/ha12.11.111.21.012.61.49.61.06.41.811.00.5
401-500 stems/ha4.90.73.90.65.81.04.60.73.71.44.60.4
501- 600 stems/ha2.20.50.50.23.70.81.50.40.50.51.70.2
more than 600 stems/ha1.60.41.30.33.80.81.60.41.00.71.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha0.0.0.0.15.84.623.72.324.25.121.51.8
101-200 stems/ha17.27.80.0.33.05.825.92.433.75.727.52.0
201-300 stems/ha39.310.20.0.14.64.324.62.424.75.224.01.9
301-400 stems/ha26.79.30.0.18.44.814.21.94.22.414.01.6
401-500 stems/ha12.66.80.0.10.63.85.41.29.03.56.91.1
501- 600 stems/ha4.24.10.0.3.02.14.11.11.51.53.60.8
more than 600 stems/ha0.0.0.0.4.62.62.10.82.82.02.40.7
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha20.33.122.54.120.81.728.61.533.01.927.00.9
101-200 stems/ha24.43.437.14.826.52.027.71.528.31.927.81.0
201-300 stems/ha30.93.620.74.023.91.921.11.420.01.722.20.9
301-400 stems/ha14.62.87.82.713.11.511.21.110.11.311.50.7
401-500 stems/ha3.81.54.92.19.61.37.00.95.21.06.80.5
501- 600 stems/ha3.61.46.92.54.20.92.90.62.00.63.20.4
more than 600 stems/ha2.41.20.0.1.80.61.50.41.30.51.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.61.232.61.224.21.135.01.037.81.631.00.5
101-200 stems/ha27.41.429.11.327.31.324.71.026.71.626.70.6
201-300 stems/ha27.11.421.21.220.71.219.30.918.61.421.10.5
301-400 stems/ha12.91.010.90.913.21.011.10.78.71.011.40.4
401-500 stems/ha4.90.74.00.67.80.85.70.55.20.85.60.3
501- 600 stems/ha2.50.51.00.33.90.62.50.41.60.42.40.2
more than 600 stems/ha1.70.41.20.33.00.51.60.31.40.41.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853780/320111
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha12.0110.0.0.0.12.011
101-200 stems/ha15.690.0.0.0.15.69
201-300 stems/ha10.7120.0.0.0.10.712
301-400 stems/ha5.4180.0.0.0.5.418
401-500 stems/ha2.0310.0.0.0.2.031
501- 600 stems/ha0.6580.0.0.0.0.658
more than 600 stems/ha0.4710.0.0.0.0.471
total46.720.0.0.0.46.72
AI0-100 stems/ha0.8490.0.0.4681.338
101-200 stems/ha0.21000.0.0.0.0.2100
201-300 stems/ha0.0.0.0.0.6570.657
301-400 stems/ha0.8480.4720.8402.024
401-500 stems/ha0.21000.21000.21000.557
501- 600 stems/ha0.4720.0.0.0.0.472
more than 600 stems/ha0.0.0.0.0.21000.2100
total2.3250.6572.2245.19
AR0-100 stems/ha1.1380.0.0.4731.532
101-200 stems/ha0.8520.0.0.3691.142
201-300 stems/ha0.6590.0.0.5551.039
301-400 stems/ha1.0390.0.0.5581.532
401-500 stems/ha0.9490.0.0.7501.634
501- 600 stems/ha0.21000.21000.3690.646
more than 600 stems/ha0.8510.0.0.0.0.851
total5.3130.21002.7228.16
BE0-100 stems/ha17.4102.82710.51330.67
101-200 stems/ha23.192.62817.81043.56
201-300 stems/ha21.993.72317.81043.46
301-400 stems/ha10.7131.83310.61323.19
401-500 stems/ha6.2181.2414.32211.713
501- 600 stems/ha1.6350.21002.0323.823
more than 600 stems/ha2.6280.4712.0325.020
total83.5412.71264.94161.11
BL/BS0-100 stems/ha2.8250.0.0.5723.222
101-200 stems/ha6.1160.0.0.9506.915
201-300 stems/ha2.3300.0.1.1453.424
301-400 stems/ha2.5280.0.0.9493.424
401-500 stems/ha1.6360.0.0.6562.230
501- 600 stems/ha0.4710.0.0.0.0.471
more than 600 stems/ha0.0.0.0.0.0.0.0.
total15.760.0.3.92219.64
FR0-100 stems/ha5.3190.3702.6278.214
101-200 stems/ha4.5210.0.2.2306.716
201-300 stems/ha6.7170.5574.22011.412
301-400 stems/ha4.4210.0.1.8316.217
401-500 stems/ha2.7270.21001.2404.121
501- 600 stems/ha1.1400.0.0.21001.438
more than 600 stems/ha1.2410.0.0.6581.833
total25.951.04012.81039.73
GE0-100 stems/ha0.8660.0.0.0.0.866
101-200 stems/ha0.41000.0.0.0.0.4100
201-300 stems/ha1.2500.0.0.0.1.250
301-400 stems/ha0.8660.0.0.0.0.866
401-500 stems/ha0.0.0.0.0.0.0.0.
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GL0-100 stems/ha1.5341.7321.5344.717
101-200 stems/ha0.9491.1411.0443.024
201-300 stems/ha1.4370.4691.0442.825
301-400 stems/ha0.0.0.0.0.4710.471
401-500 stems/ha0.4690.0.0.7461.136
501- 600 stems/ha0.4710.4690.21001.044
more than 600 stems/ha0.4690.21000.21000.849
total4.9183.8205.11713.87
GR0-100 stems/ha17.1105.02022.9945.06
101-200 stems/ha13.7126.41719.9940.06
201-300 stems/ha11.2134.42015.21130.97
301-400 stems/ha6.0183.5236.01815.611
401-500 stems/ha4.7201.0452.2307.915
501- 600 stems/ha1.0450.21002.0313.125
more than 600 stems/ha0.4710.21001.4382.031
total54.2520.7969.64144.52
JU0-100 stems/ha5.0170.21001.2406.315
101-200 stems/ha5.3180.5563.2249.013
201-300 stems/ha4.7190.21002.5267.414
301-400 stems/ha3.3230.0.1.7335.118
401-500 stems/ha1.9310.0.1.3373.323
501- 600 stems/ha0.4700.0.0.21000.657
more than 600 stems/ha0.8500.0.0.4701.241
total21.360.94310.51132.83
LU0-100 stems/ha5.6170.0.0.5566.216
101-200 stems/ha8.4140.0.1.93110.312
201-300 stems/ha7.7150.21002.32910.212
301-400 stems/ha5.3180.21000.8506.317
401-500 stems/ha2.3270.0.0.8493.124
501- 600 stems/ha1.2410.0.0.21001.437
more than 600 stems/ha1.4370.21000.21001.833
total31.940.6586.81639.43
NE0-100 stems/ha4.5190.0.1.1405.617
101-200 stems/ha8.3130.4700.7509.412
201-300 stems/ha5.9160.5690.9457.314
301-400 stems/ha2.8260.21000.21003.224
401-500 stems/ha0.9450.0.0.0.0.945
501- 600 stems/ha0.7570.0.0.0.0.757
more than 600 stems/ha0.21000.0.0.0.0.2100
total23.451.0442.82427.33
NW0-100 stems/ha1.0490.31000.0.1.243
101-200 stems/ha1.0470.0.0.5711.537
201-300 stems/ha1.1480.31000.6571.932
301-400 stems/ha0.4720.21001.0411.630
401-500 stems/ha0.0.0.21000.0.0.2100
501- 600 stems/ha0.0.0.31000.5710.856
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.5211.2442.6267.29
OW0-100 stems/ha3.1220.3691.8315.216
101-200 stems/ha2.0300.5712.3294.818
201-300 stems/ha2.4280.5710.8503.622
301-400 stems/ha0.4740.0.1.1441.537
401-500 stems/ha0.7580.3720.6571.635
501- 600 stems/ha0.0.0.11000.5590.751
more than 600 stems/ha0.5710.0.0.21000.757
total9.1121.7337.41318.14
SG0-100 stems/ha4.8201.1444.52010.413
101-200 stems/ha3.6240.7564.6208.914
201-300 stems/ha5.1201.1457.11513.211
301-400 stems/ha3.6220.8503.0257.415
401-500 stems/ha1.8330.4722.2284.420
501- 600 stems/ha0.7490.21000.7491.733
more than 600 stems/ha0.6580.0.2.2282.825
total20.194.42124.3748.84
SH0-100 stems/ha3.2220.0.0.0.3.222
101-200 stems/ha3.4220.0.0.0.3.422
201-300 stems/ha2.6240.0.0.0.2.624
301-400 stems/ha1.3400.0.0.4691.633
401-500 stems/ha0.8490.0.0.0.0.849
501- 600 stems/ha0.4710.0.0.0.0.471
more than 600 stems/ha0.21000.0.0.0.0.2100
total11.940.0.0.46912.33
SO0-100 stems/ha7.2150.0.0.21007.415
101-200 stems/ha6.1170.0.0.9507.015
201-300 stems/ha9.2130.0.0.6599.812
301-400 stems/ha4.1200.0.1.2415.318
401-500 stems/ha1.1410.21000.0.1.338
501- 600 stems/ha0.6590.0.0.0.0.659
more than 600 stems/ha0.21000.0.0.0.0.2100
total28.530.21002.92631.62
SZ0-100 stems/ha3.4230.21001.8325.417
101-200 stems/ha4.3210.5563.3238.114
201-300 stems/ha2.5270.0.2.1304.719
301-400 stems/ha2.0300.7561.9314.618
401-500 stems/ha1.0450.0.0.6581.635
501- 600 stems/ha0.0.0.0.0.7580.758
more than 600 stems/ha0.21000.0.0.21000.471
total13.5101.43710.71125.54
TG0-100 stems/ha4.4160.0.0.5604.915
101-200 stems/ha2.9240.0.0.6513.521
201-300 stems/ha4.4180.0.1.1405.516
301-400 stems/ha3.0230.0.0.0.3.023
401-500 stems/ha1.8320.0.0.11002.031
501- 600 stems/ha0.4730.0.0.0.0.473
more than 600 stems/ha0.3700.0.0.0.0.370
total17.250.0.2.42619.63
TI0-100 stems/ha9.5142.13035.2746.85
101-200 stems/ha2.8263.62317.91024.48
201-300 stems/ha1.6351.53813.21216.210
301-400 stems/ha1.6350.4706.5178.515
401-500 stems/ha0.6580.21001.9332.728
501- 600 stems/ha0.21000.0.0.6580.850
more than 600 stems/ha0.0.0.21000.21000.470
total16.3108.01575.6399.92
UR0-100 stems/ha1.9300.3701.5363.820
101-200 stems/ha1.2400.7490.9442.924
201-300 stems/ha1.0431.0451.0442.924
301-400 stems/ha0.21001.0430.6581.832
401-500 stems/ha0.4710.21000.21000.850
501- 600 stems/ha0.21000.0.0.0.0.2100
more than 600 stems/ha0.0.0.21000.4710.657
total4.8183.5214.61812.96
VD0-100 stems/ha16.4100.8504.52021.78
101-200 stems/ha18.391.0454.92024.28
201-300 stems/ha18.191.4382.52822.08
301-400 stems/ha8.0151.1441.43710.413
401-500 stems/ha4.2210.4711.2375.817
501- 600 stems/ha1.7330.4710.4702.527
more than 600 stems/ha0.6580.0.0.4711.045
total67.535.01915.21087.72
VS0-100 stems/ha12.6125.51818.51036.66
101-200 stems/ha5.7185.21914.51125.58
201-300 stems/ha3.5235.3197.91516.710
301-400 stems/ha1.0453.6227.11611.712
401-500 stems/ha0.9441.5351.9314.420
501- 600 stems/ha0.21001.3371.3382.825
more than 600 stems/ha0.6580.4710.4711.337
total24.5822.9851.6599.02
ZG0-100 stems/ha0.5670.0.0.6461.139
101-200 stems/ha0.9440.21000.6571.730
201-300 stems/ha0.6480.0.0.9391.526
301-400 stems/ha0.8470.0.0.21001.139
401-500 stems/ha0.0.0.0.0.0.0.0.
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total2.9190.21002.3225.48
ZH0-100 stems/ha13.4100.0.0.210013.510
101-200 stems/ha10.2130.0.0.47210.613
201-300 stems/ha12.4110.0.0.210012.711
301-400 stems/ha6.1170.0.0.4716.617
401-500 stems/ha2.8270.0.0.21003.026
501- 600 stems/ha1.8340.0.0.0.1.834
more than 600 stems/ha0.4700.0.0.21000.757
total47.120.0.1.63548.82
Switzerland0-100 stems/ha155.4320.610110.94286.82
101-200 stems/ha149.7323.5999.34272.52
201-300 stems/ha138.7420.91084.05243.63
301-400 stems/ha75.6513.71248.56137.94
401-500 stems/ha40.076.11821.11067.15
501- 600 stems/ha14.0123.3249.91427.28
more than 600 stems/ha11.7131.8339.21522.79
total585.2189.84382.821057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #853781/320112
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha12.6110.0.0.0.12.611
101-200 stems/ha16.090.0.0.0.16.09
201-300 stems/ha10.7120.0.0.0.10.712
301-400 stems/ha5.4180.0.0.0.5.418
401-500 stems/ha2.0310.0.0.0.2.031
501- 600 stems/ha0.6580.0.0.0.0.658
more than 600 stems/ha0.8500.0.0.0.0.850
total48.120.0.0.0.48.12
AI0-100 stems/ha0.8490.0.0.4681.338
101-200 stems/ha0.21000.0.0.0.0.2100
201-300 stems/ha0.0.0.0.0.6570.657
301-400 stems/ha0.8480.4720.8402.024
401-500 stems/ha0.21000.21000.21000.557
501- 600 stems/ha0.4720.0.0.0.0.472
more than 600 stems/ha0.0.0.0.0.21000.2100
total2.3250.6572.2245.19
AR0-100 stems/ha1.1380.0.0.4731.532
101-200 stems/ha0.8520.0.0.3691.142
201-300 stems/ha0.6590.0.0.5551.039
301-400 stems/ha1.0390.0.0.5581.532
401-500 stems/ha0.9490.0.0.7501.634
501- 600 stems/ha0.21000.21000.3690.646
more than 600 stems/ha0.8510.0.0.0.0.851
total5.3130.21002.7228.16
BE0-100 stems/ha19.893.02610.71333.47
101-200 stems/ha23.992.62818.61045.16
201-300 stems/ha22.193.72319.01044.86
301-400 stems/ha10.9131.83310.61323.39
401-500 stems/ha6.2181.2414.52111.913
501- 600 stems/ha1.6350.21002.0323.823
more than 600 stems/ha3.2250.4712.0325.619
total87.7412.91267.34167.91
BL/BS0-100 stems/ha3.0240.0.0.7583.721
101-200 stems/ha6.1160.0.0.9506.915
201-300 stems/ha2.3300.0.1.1453.424
301-400 stems/ha2.7270.0.0.9493.623
401-500 stems/ha1.6360.0.0.6562.230
501- 600 stems/ha0.4710.0.0.0.0.471
more than 600 stems/ha0.0.0.0.0.0.0.0.
total16.160.0.4.12120.23
FR0-100 stems/ha6.0180.3702.8269.214
101-200 stems/ha4.7200.0.2.5277.216
201-300 stems/ha6.7170.5574.22011.412
301-400 stems/ha4.6200.0.2.0306.616
401-500 stems/ha2.7270.21001.2404.121
501- 600 stems/ha1.1400.0.0.21001.438
more than 600 stems/ha1.2410.0.0.6581.833
total27.151.04013.51041.73
GE0-100 stems/ha1.2500.0.0.0.1.250
101-200 stems/ha0.41000.0.0.0.0.4100
201-300 stems/ha1.2500.0.0.0.1.250
301-400 stems/ha0.8660.0.0.0.0.866
401-500 stems/ha0.0.0.0.0.0.0.0.
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.520.0.0.0.3.52
GL0-100 stems/ha2.3281.7321.7325.716
101-200 stems/ha0.9491.3371.0443.223
201-300 stems/ha1.4370.4691.0442.825
301-400 stems/ha0.0.0.0.0.4710.471
401-500 stems/ha0.4690.0.0.7461.136
501- 600 stems/ha0.4710.4690.21001.044
more than 600 stems/ha0.4690.21000.21000.849
total5.7174.0205.21714.96
GR0-100 stems/ha24.685.31928.1858.15
101-200 stems/ha15.1116.81720.7942.66
201-300 stems/ha11.8134.62015.81132.27
301-400 stems/ha6.2173.5236.41716.210
401-500 stems/ha4.7201.0452.8268.515
501- 600 stems/ha1.2410.21002.0313.324
more than 600 stems/ha0.4710.21001.4382.031
total64.1521.7977.24162.92
JU0-100 stems/ha5.2170.21001.2406.515
101-200 stems/ha5.9170.5563.3239.712
201-300 stems/ha4.7190.21002.5267.414
301-400 stems/ha3.3230.0.1.7335.118
401-500 stems/ha1.9310.0.1.3373.323
501- 600 stems/ha0.4700.0.0.21000.657
more than 600 stems/ha0.8500.0.0.4701.241
total22.160.94310.71133.73
LU0-100 stems/ha5.8170.0.0.7496.616
101-200 stems/ha8.9140.0.1.93110.912
201-300 stems/ha8.1140.21002.32910.612
301-400 stems/ha5.3180.21000.8506.317
401-500 stems/ha2.5260.0.0.8493.323
501- 600 stems/ha1.4370.0.0.21001.735
more than 600 stems/ha1.4370.21000.21001.833
total33.540.6587.01641.22
NE0-100 stems/ha5.2170.0.1.1406.216
101-200 stems/ha8.5130.4700.9459.812
201-300 stems/ha5.9160.5690.9457.314
301-400 stems/ha2.8260.21000.21003.224
401-500 stems/ha0.9450.0.0.0.0.945
501- 600 stems/ha0.7570.0.0.0.0.757
more than 600 stems/ha0.21000.0.0.0.0.2100
total24.251.0443.02328.33
NW0-100 stems/ha1.7350.31000.0.2.031
101-200 stems/ha1.0470.0.0.5711.537
201-300 stems/ha1.1480.31000.6571.932
301-400 stems/ha0.4720.21001.0411.630
401-500 stems/ha0.0.0.21000.0.0.2100
501- 600 stems/ha0.0.0.31000.5710.856
more than 600 stems/ha0.0.0.0.0.0.0.0.
total4.3181.2442.6268.08
OW0-100 stems/ha3.5210.3691.8315.615
101-200 stems/ha2.4280.5712.3295.217
201-300 stems/ha2.4280.5711.0453.821
301-400 stems/ha0.4740.0.1.1441.537
401-500 stems/ha0.7580.3720.6571.635
501- 600 stems/ha0.0.0.11000.5590.751
more than 600 stems/ha0.5710.0.0.21000.757
total9.9111.7337.61319.14
SG0-100 stems/ha6.5171.1445.41813.011
101-200 stems/ha3.7230.7565.2199.714
201-300 stems/ha5.3191.1457.51513.911
301-400 stems/ha4.0210.8503.4248.214
401-500 stems/ha2.2300.4722.7265.419
501- 600 stems/ha0.7490.21000.7491.733
more than 600 stems/ha0.6580.0.2.2282.825
total23.184.42127.1754.53
SH0-100 stems/ha3.2220.0.0.0.3.222
101-200 stems/ha3.4220.0.0.0.3.422
201-300 stems/ha2.6240.0.0.0.2.624
301-400 stems/ha1.3400.0.0.4691.633
401-500 stems/ha0.8490.0.0.0.0.849
501- 600 stems/ha0.4710.0.0.0.0.471
more than 600 stems/ha0.21000.0.0.0.0.2100
total11.940.0.0.46912.33
SO0-100 stems/ha7.6150.0.0.21007.814
101-200 stems/ha6.1170.0.0.9507.015
201-300 stems/ha9.4130.0.0.65910.012
301-400 stems/ha4.3200.0.1.2415.517
401-500 stems/ha1.1410.21000.0.1.338
501- 600 stems/ha0.6590.0.0.0.0.659
more than 600 stems/ha0.21000.0.0.0.0.2100
total29.330.21002.92632.32
SZ0-100 stems/ha3.6220.4712.4286.415
101-200 stems/ha4.5200.5563.3238.314
201-300 stems/ha2.7260.0.2.1304.818
301-400 stems/ha2.0300.8492.1295.017
401-500 stems/ha1.0450.0.0.6581.635
501- 600 stems/ha0.0.0.0.0.7580.758
more than 600 stems/ha0.4710.0.0.21000.658
total14.391.73211.51127.54
TG0-100 stems/ha4.7150.0.0.5605.215
101-200 stems/ha2.9240.0.0.6513.521
201-300 stems/ha4.4180.0.1.1405.516
301-400 stems/ha3.0230.0.0.0.3.023
401-500 stems/ha1.8320.0.0.11002.031
501- 600 stems/ha0.4730.0.0.0.0.473
more than 600 stems/ha0.3700.0.0.0.0.370
total17.550.0.2.42619.93
TI0-100 stems/ha13.0122.52738.9654.45
101-200 stems/ha3.6233.82218.91026.48
201-300 stems/ha1.8331.53813.61216.810
301-400 stems/ha1.6350.4706.7178.715
401-500 stems/ha0.6580.21001.9332.728
501- 600 stems/ha0.21000.0.0.6580.850
more than 600 stems/ha0.0.0.21000.21000.470
total20.798.61480.83110.12
UR0-100 stems/ha2.9230.5571.8325.316
101-200 stems/ha1.2400.7490.9442.924
201-300 stems/ha1.0431.0451.1403.123
301-400 stems/ha0.21001.0430.6581.832
401-500 stems/ha0.4710.21000.21000.850
501- 600 stems/ha0.4710.0.0.0.0.471
more than 600 stems/ha0.0.0.21000.4710.657
total6.0153.7215.11714.85
VD0-100 stems/ha18.991.0454.72024.68
101-200 stems/ha20.591.0455.11926.68
201-300 stems/ha18.891.6352.52822.88
301-400 stems/ha8.4151.1441.43710.813
401-500 stems/ha4.2210.4711.2375.817
501- 600 stems/ha1.7330.4710.5572.726
more than 600 stems/ha0.8500.0.0.4711.241
total73.335.31915.81094.52
VS0-100 stems/ha15.7116.11819.9941.76
101-200 stems/ha6.3175.21914.91126.58
201-300 stems/ha3.9225.3197.91517.110
301-400 stems/ha1.0453.6227.11611.712
401-500 stems/ha1.2411.5352.1304.819
501- 600 stems/ha0.21001.3371.3382.825
more than 600 stems/ha0.6580.4710.4711.337
total28.8723.5853.65105.92
ZG0-100 stems/ha0.5670.0.0.6461.139
101-200 stems/ha0.9440.21000.6571.730
201-300 stems/ha0.6480.0.1.0341.723
301-400 stems/ha0.8470.0.0.21001.139
401-500 stems/ha0.0.0.0.0.0.0.0.
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total2.9190.21002.5205.57
ZH0-100 stems/ha13.6100.0.0.210013.710
101-200 stems/ha10.5130.0.0.47210.912
201-300 stems/ha12.6110.0.0.210012.911
301-400 stems/ha6.1170.0.0.4716.617
401-500 stems/ha3.0260.0.0.21003.325
501- 600 stems/ha2.0320.0.0.0.2.032
more than 600 stems/ha0.4700.0.0.21000.757
total48.420.0.1.63550.01
Switzerland0-100 stems/ha182.9322.79124.24329.82
101-200 stems/ha158.6324.39103.84286.72
201-300 stems/ha141.9321.21087.25250.32
301-400 stems/ha77.4513.91249.96141.34
401-500 stems/ha41.176.11822.5969.65
501- 600 stems/ha14.9113.32410.01428.28
more than 600 stems/ha13.1121.8339.21524.19
total629.9193.34406.921130.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #853782/320113
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha12.6100.0.0.0.12.610
101-200 stems/ha15.890.0.0.0.15.89
201-300 stems/ha10.5110.0.0.0.10.511
301-400 stems/ha5.2180.0.0.0.5.218
401-500 stems/ha2.3270.0.0.0.2.327
501- 600 stems/ha0.5580.0.0.0.0.558
more than 600 stems/ha0.7500.0.0.0.0.750
total47.620.0.0.0.47.62
AI0-100 stems/ha0.9440.0.0.3691.235
101-200 stems/ha0.21000.0.0.0.0.2100
201-300 stems/ha0.21000.0.0.5570.748
301-400 stems/ha0.6480.3710.9371.823
401-500 stems/ha0.11000.21000.3710.648
501- 600 stems/ha0.3710.0.0.11000.456
more than 600 stems/ha0.0.0.0.0.21000.2100
total2.3230.5572.3215.09
AR0-100 stems/ha0.9400.0.0.5591.431
101-200 stems/ha0.7520.0.0.3691.043
201-300 stems/ha0.6510.0.0.6431.332
301-400 stems/ha0.9400.0.0.7441.629
401-500 stems/ha1.1420.0.0.6511.731
501- 600 stems/ha0.11000.11000.3690.547
more than 600 stems/ha0.7520.0.0.0.0.752
total5.0120.11003.0188.16
BE0-100 stems/ha20.092.92510.21333.17
101-200 stems/ha24.682.52719.3946.45
201-300 stems/ha22.183.52217.9943.56
301-400 stems/ha10.9121.93010.11323.08
401-500 stems/ha5.7181.1414.91911.612
501- 600 stems/ha2.0300.21002.1294.320
more than 600 stems/ha2.8250.5582.1295.518
total88.2312.61166.64167.41
BL/BS0-100 stems/ha3.3220.0.0.6593.919
101-200 stems/ha5.8160.0.1.2407.014
201-300 stems/ha2.3290.0.0.9453.223
301-400 stems/ha2.8250.0.0.8493.622
401-500 stems/ha1.6330.0.0.5562.129
501- 600 stems/ha0.4710.0.0.0.0.471
more than 600 stems/ha0.0.0.0.0.0.0.0.
total16.260.0.4.12020.23
FR0-100 stems/ha5.4180.3702.9258.613
101-200 stems/ha4.4200.0.2.3276.715
201-300 stems/ha7.4150.7503.92012.111
301-400 stems/ha4.4190.21002.0286.615
401-500 stems/ha3.1230.21001.1404.319
501- 600 stems/ha1.3350.0.0.4721.731
more than 600 stems/ha1.3380.0.0.5581.831
total27.451.33513.01041.73
GE0-100 stems/ha1.0440.0.0.0.1.044
101-200 stems/ha0.5680.0.0.0.0.568
201-300 stems/ha0.8530.0.0.0.0.853
301-400 stems/ha0.5680.0.0.0.0.568
401-500 stems/ha0.0.0.0.0.0.0.0.
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total2.8150.0.0.0.2.815
GL0-100 stems/ha2.9231.6322.1276.514
101-200 stems/ha0.8491.2370.9442.823
201-300 stems/ha1.2370.5581.0412.823
301-400 stems/ha0.0.0.0.0.3710.371
401-500 stems/ha0.5550.0.0.6471.133
501- 600 stems/ha0.4720.5550.21001.040
more than 600 stems/ha0.3690.4720.21000.944
total6.0154.1185.41615.56
GR0-100 stems/ha25.385.11827.3757.75
101-200 stems/ha14.7116.91620.6942.36
201-300 stems/ha11.6124.41916.51032.57
301-400 stems/ha5.6173.3236.71615.610
401-500 stems/ha4.5191.0413.0248.514
501- 600 stems/ha1.2380.21002.2273.621
more than 600 stems/ha0.7500.21001.4352.328
total63.7421.0977.74162.52
JU0-100 stems/ha5.2160.11001.3376.614
101-200 stems/ha5.8160.5573.2239.412
201-300 stems/ha4.5180.21003.0237.713
301-400 stems/ha3.1220.0.1.9295.017
401-500 stems/ha1.7310.0.1.2372.923
501- 600 stems/ha0.4700.0.0.21000.557
more than 600 stems/ha0.8450.0.0.4701.238
total21.560.84311.01033.32
LU0-100 stems/ha6.9140.0.0.6497.513
101-200 stems/ha8.4130.0.1.93010.312
201-300 stems/ha8.0130.21002.02910.211
301-400 stems/ha5.4170.21000.7506.316
401-500 stems/ha2.6250.0.0.7493.322
501- 600 stems/ha1.7330.0.0.21001.931
more than 600 stems/ha1.5330.21000.21001.930
total34.640.5586.31641.42
NE0-100 stems/ha4.9170.0.0.9405.815
101-200 stems/ha8.2120.5580.8459.511
201-300 stems/ha5.6160.4691.0407.014
301-400 stems/ha3.3220.21000.21003.620
401-500 stems/ha1.0400.0.0.0.1.040
501- 600 stems/ha0.8490.0.0.0.0.849
more than 600 stems/ha0.21000.0.0.0.0.2100
total24.041.0402.92227.93
NW0-100 stems/ha1.7320.5710.0.2.228
101-200 stems/ha1.1410.0.0.4711.533
201-300 stems/ha1.1440.21000.9442.228
301-400 stems/ha0.4730.11000.8421.431
401-500 stems/ha0.0.0.11000.0.0.1100
501- 600 stems/ha0.0.0.21000.5710.756
more than 600 stems/ha0.0.0.0.0.0.0.0.
total4.3171.2402.6248.17
OW0-100 stems/ha3.9190.4552.0286.214
101-200 stems/ha2.1280.4712.0294.618
201-300 stems/ha2.3270.4711.1413.720
301-400 stems/ha0.3730.0.1.3371.732
401-500 stems/ha0.6580.3720.6571.435
501- 600 stems/ha0.0.0.11000.7510.845
more than 600 stems/ha0.7500.0.0.21000.944
total10.0111.6317.91219.43
SG0-100 stems/ha6.3161.1405.61713.010
101-200 stems/ha3.8221.0445.81710.612
201-300 stems/ha4.7191.0456.71512.311
301-400 stems/ha4.4190.7503.6218.613
401-500 stems/ha2.3280.6582.9245.717
501- 600 stems/ha0.8440.21000.6491.631
more than 600 stems/ha0.7500.0.2.0292.725
total22.984.52027.1654.63
SH0-100 stems/ha3.4190.0.0.0.3.419
101-200 stems/ha3.0220.0.0.0.3.022
201-300 stems/ha2.6230.0.0.0.2.623
301-400 stems/ha1.3360.0.0.5561.929
401-500 stems/ha0.9440.0.0.0.0.944
501- 600 stems/ha0.4710.0.0.0.0.471
more than 600 stems/ha0.21000.0.0.0.0.2100
total11.830.0.0.55612.42
SO0-100 stems/ha8.2130.0.0.21008.413
101-200 stems/ha5.9160.0.0.8506.715
201-300 stems/ha9.0120.0.0.7509.712
301-400 stems/ha4.2190.0.1.1415.317
401-500 stems/ha1.4330.21000.21001.729
501- 600 stems/ha0.5590.0.0.0.0.559
more than 600 stems/ha0.21000.0.0.0.0.2100
total29.430.21002.92432.52
SZ0-100 stems/ha3.8210.3712.5266.614
101-200 stems/ha4.0200.6503.4228.013
201-300 stems/ha3.4220.0.2.6256.016
301-400 stems/ha1.9300.8491.9304.517
401-500 stems/ha0.9450.0.0.5581.535
501- 600 stems/ha0.21000.0.0.6580.850
more than 600 stems/ha0.4710.0.0.21000.658
total14.591.73111.81028.04
TG0-100 stems/ha4.5150.0.0.6525.114
101-200 stems/ha3.1230.0.0.6523.720
201-300 stems/ha4.3180.0.1.1415.416
301-400 stems/ha3.1220.0.0.0.3.122
401-500 stems/ha1.8330.0.0.11001.931
501- 600 stems/ha0.3740.0.0.0.0.374
more than 600 stems/ha0.2700.0.0.0.0.270
total17.340.0.2.32519.73
TI0-100 stems/ha13.2112.62637.1652.85
101-200 stems/ha3.9213.82119.9927.67
201-300 stems/ha1.8321.43813.31116.410
301-400 stems/ha1.4350.3706.7168.414
401-500 stems/ha0.5580.3712.0312.926
501- 600 stems/ha0.21000.0.0.9451.141
more than 600 stems/ha0.0.0.21000.21000.370
total21.098.51480.13109.62
UR0-100 stems/ha3.8190.5571.8306.014
101-200 stems/ha1.4340.6491.0413.022
201-300 stems/ha0.8421.0401.0402.822
301-400 stems/ha0.21001.0390.5581.731
401-500 stems/ha0.3710.4710.21000.944
501- 600 stems/ha0.3710.21000.0.0.556
more than 600 stems/ha0.0.0.21000.3710.557
total6.8133.8184.81615.45
VD0-100 stems/ha19.980.9454.51925.37
101-200 stems/ha20.180.8455.11826.17
201-300 stems/ha17.691.3353.12322.18
301-400 stems/ha8.5141.1401.73111.312
401-500 stems/ha3.8200.3711.2355.417
501- 600 stems/ha1.7310.3710.5572.525
more than 600 stems/ha1.1410.0.0.5581.633
total72.834.81816.6994.22
VS0-100 stems/ha15.1106.11619.4940.65
101-200 stems/ha6.1175.71715.11026.97
201-300 stems/ha4.5195.0188.11417.69
301-400 stems/ha1.1413.6216.81511.411
401-500 stems/ha1.6331.5332.7255.816
501- 600 stems/ha0.21001.2371.4352.725
more than 600 stems/ha0.5580.5580.3711.435
total29.0723.7853.84106.52
ZG0-100 stems/ha0.5570.0.0.5471.136
101-200 stems/ha1.1360.21000.5571.827
201-300 stems/ha0.6480.0.0.9341.524
301-400 stems/ha0.7470.0.0.4681.135
401-500 stems/ha0.21000.0.0.0.0.2100
501- 600 stems/ha0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.
total3.1170.21002.4205.76
ZH0-100 stems/ha13.490.0.0.210013.69
101-200 stems/ha10.5120.0.0.55811.111
201-300 stems/ha12.3110.0.0.210012.410
301-400 stems/ha6.1160.0.0.3716.415
401-500 stems/ha3.1230.0.0.21003.223
501- 600 stems/ha2.0290.0.0.0.2.029
more than 600 stems/ha0.5570.0.0.21000.749
total47.920.0.1.63349.41
Switzerland0-100 stems/ha187.0322.39121.14330.42
101-200 stems/ha156.2324.68105.74286.42
201-300 stems/ha139.5320.2987.14246.82
301-400 stems/ha76.4513.61149.96139.93
401-500 stems/ha41.666.21723.4971.35
501- 600 stems/ha15.6113.22310.81329.68
more than 600 stems/ha13.7112.1298.81424.68
total630.0192.24406.821128.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #853783/320114
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-100 stems/ha86.4420.41013.61213.21218.51010.913162.93
101-200 stems/ha88.2421.2911.2135.11913.0123.424142.13
201-300 stems/ha86.1416.61110.2133.5236.0183.026125.54
301-400 stems/ha55.5610.6146.8171.0457.2161.63582.65
401-500 stems/ha23.696.3184.4210.9444.2211.24140.67
501- 600 stems/ha9.8144.3221.8310.6581.2410.0.17.811
more than 600 stems/ha6.4181.8331.7330.21000.6580.0.10.814
total356.0181.4449.7524.5850.6520.19582.41
inside perimeter0-100 stems/ha0.6583.0262.5284.9204.1224.92020.010
101-200 stems/ha1.7354.2223.5246.0175.0204.22124.59
201-300 stems/ha1.0445.1193.1255.8184.1211.63520.710
301-400 stems/ha1.0453.2252.7273.5231.8330.0.12.213
401-500 stems/ha0.21002.6281.3381.5351.0440.4717.017
501- 600 stems/ha0.21001.2410.6581.0450.8500.6574.421
more than 600 stems/ha0.0.0.4710.4710.21000.21000.21001.438
total4.72019.81014.01122.9817.01011.91290.24
outside perimeter0-100 stems/ha9.51418.2108.61520.2914.91148.85120.14
101-200 stems/ha14.01222.3912.61213.91116.81021.09100.64
201-300 stems/ha14.01220.51010.9137.91510.51313.71177.55
301-400 stems/ha8.71512.6127.6165.2195.8185.81845.76
401-500 stems/ha3.6235.6196.1172.7263.0251.04522.09
501- 600 stems/ha1.4384.3222.8251.3371.2410.65811.513
more than 600 stems/ha0.21001.8333.0260.4711.4370.4717.217
total51.4685.3451.5551.6553.7591.13384.62
total0-100 stems/ha96.5441.5624.7838.3637.5664.54303.02
101-200 stems/ha103.9447.7627.2825.0834.8728.68267.22
201-300 stems/ha101.1442.3624.3817.21020.6918.210223.73
301-400 stems/ha65.2526.5817.0109.71314.8117.416140.54
401-500 stems/ha27.3814.51111.8125.1198.2152.52769.65
501- 600 stems/ha11.4139.8145.2182.9253.2251.24133.78
more than 600 stems/ha6.6174.1225.1190.8502.3300.65719.310
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #853784/320115
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-100 stems/ha88.4423.4915.61115.41121.3913.412177.53
101-200 stems/ha90.0422.2912.0125.31913.6123.623146.73
201-300 stems/ha87.9416.81110.4133.5236.2173.225128.14
301-400 stems/ha56.7610.6146.8171.0457.2161.63583.85
401-500 stems/ha24.396.3184.4211.1414.2211.24141.67
501- 600 stems/ha9.8144.3222.0300.6581.2410.0.18.010
more than 600 stems/ha6.6171.8331.7330.21000.6580.0.11.013
total363.8185.7452.9527.1854.3523.09606.81
inside perimeter0-100 stems/ha0.6583.2252.5285.1194.5214.92020.810
101-200 stems/ha1.7354.6213.7236.0175.0204.42025.39
201-300 stems/ha1.0445.3193.1255.8184.1211.63520.99
301-400 stems/ha1.2413.2252.9263.5231.8330.0.12.612
401-500 stems/ha0.21002.6281.3381.5351.0440.4717.017
501- 600 stems/ha0.21001.2410.6581.0450.8500.6574.421
more than 600 stems/ha0.0.0.4710.4710.21000.21000.21001.438
total4.92020.5914.41123.1817.41012.11292.44
outside perimeter0-100 stems/ha9.91419.2109.51421.1915.71150.35125.84
101-200 stems/ha14.01222.5913.31214.51116.81022.19103.44
201-300 stems/ha14.21221.7911.7128.11511.11314.11180.95
301-400 stems/ha8.71513.4127.6165.2196.0185.81846.76
401-500 stems/ha3.6235.6196.1172.7263.0251.04522.09
501- 600 stems/ha1.4384.5212.8251.3371.2410.65811.713
more than 600 stems/ha0.21001.8333.0260.4711.4370.6577.416
total52.0688.7453.9553.4555.3594.43397.72
total0-100 stems/ha98.9445.8627.6841.7641.5668.64324.12
101-200 stems/ha105.7449.3629.0825.8835.4730.27275.42
201-300 stems/ha103.1443.9625.2817.41021.4918.89229.83
301-400 stems/ha66.6527.3817.2109.71315.0117.416143.13
401-500 stems/ha28.1814.51111.8125.4188.2152.52770.65
501- 600 stems/ha11.41310.0145.4182.9253.2251.24134.17
more than 600 stems/ha6.8174.1225.1190.8502.3300.85019.710
total420.61194.91121.32103.62127.02129.521096.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #853785/320116
NFI1
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-100 stems/ha92.3321.3715.5816.2721.5613.78180.52
101-200 stems/ha88.8320.9712.096.11314.084.515146.32
201-300 stems/ha89.0317.479.3103.9168.0112.520130.13
301-400 stems/ha58.0413.487.4111.8236.8121.13088.63
401-500 stems/ha25.667.0123.8160.9333.2180.64141.15
501- 600 stems/ha9.5103.5172.0220.6411.8230.0.17.48
more than 600 stems/ha6.2132.4202.2210.3580.5450.27111.89
total369.5185.9352.3429.8555.8422.66615.81
inside perimeter0-100 stems/ha0.3583.8162.8195.8135.1145.81323.66
101-200 stems/ha1.2294.5153.2186.6124.8144.91425.26
201-300 stems/ha1.0314.8143.1187.1124.1162.02222.17
301-400 stems/ha1.1303.2182.6193.3172.4200.83513.49
401-500 stems/ha0.3582.4201.2291.3280.9330.5456.612
501- 600 stems/ha0.2711.3280.8350.9331.0310.4504.715
more than 600 stems/ha0.0.0.6410.5450.3580.2710.11001.724
total4.21520.6714.1825.3518.6714.5897.23
outside perimeter0-100 stems/ha10.41019.3711.9917.5715.2850.04124.23
101-200 stems/ha14.1822.1612.5912.6815.5822.1698.93
201-300 stems/ha12.7921.3711.698.81011.8913.0879.23
301-400 stems/ha6.81213.188.1114.3156.3126.11244.65
401-500 stems/ha3.6176.3126.2122.4203.9161.72424.16
501- 600 stems/ha1.3283.9162.7191.3281.6250.93311.89
more than 600 stems/ha0.4502.6202.4200.5441.0310.6417.611
total49.3488.7355.4347.3455.3394.32390.41
total0-100 stems/ha103.1344.4430.1539.5441.8469.53328.31
101-200 stems/ha104.1347.5427.6625.4634.4531.45270.52
201-300 stems/ha102.8343.5424.1619.7623.8617.57231.32
301-400 stems/ha65.9429.7518.179.41015.688.011146.72
401-500 stems/ha29.5615.7811.394.6148.0112.81971.94
501- 600 stems/ha11.098.8105.5132.8194.5151.32833.85
more than 600 stems/ha6.6125.6135.1141.1301.7240.93321.07
total422.90195.21121.81102.42129.71131.411103.50
© WSL, Swiss National Forest Inventory, 19.06.2020 #853786/320117
NFI2
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-100 stems/ha90.1423.8818.9915.11023.1815.110186.23
101-200 stems/ha97.1422.4910.9126.11714.1114.719155.33
201-300 stems/ha88.9421.8910.5124.51910.1133.522139.33
301-400 stems/ha52.059.3147.0151.1415.6171.63376.55
401-500 stems/ha23.685.5185.3181.6334.5200.75041.16
501- 600 stems/ha9.3143.4231.3350.21001.0410.37115.511
more than 600 stems/ha5.6184.3202.5260.5580.7500.0.13.611
total366.6190.5456.5529.0759.1526.08627.61
inside perimeter0-100 stems/ha0.5584.5203.8216.1163.6224.22022.79
101-200 stems/ha1.3383.6223.6225.7175.9174.81924.88
201-300 stems/ha1.6335.2182.4275.0183.6222.12919.99
301-400 stems/ha0.9452.8252.7253.6213.2230.55713.611
401-500 stems/ha0.21002.2291.0411.5330.7500.7506.317
501- 600 stems/ha0.0.0.9451.0411.2370.21000.0.3.323
more than 600 stems/ha0.0.0.7500.5580.5580.0.0.3712.129
total4.52019.9914.91023.7817.11012.61192.74
outside perimeter0-100 stems/ha7.41517.11013.51119.4920.0944.35121.73
101-200 stems/ha15.11123.5811.51215.11015.91024.58105.64
201-300 stems/ha14.41121.7913.0118.11413.61116.11086.84
301-400 stems/ha8.71412.8118.7146.8155.4188.01450.46
401-500 stems/ha4.5196.8164.9182.7252.0302.92523.78
501- 600 stems/ha0.3714.2211.8301.4352.0301.23810.913
more than 600 stems/ha0.7503.2233.1230.3711.1410.5578.914
total51.1589.3356.5453.8459.9497.43408.12
total0-100 stems/ha98.0445.4636.1640.6546.7563.64330.62
101-200 stems/ha113.5349.5526.0726.9735.9633.96285.72
201-300 stems/ha104.9448.7525.9717.6927.3721.68246.02
301-400 stems/ha61.6524.9818.5911.41114.21010.113140.63
401-500 stems/ha28.3814.41111.2125.8167.1154.42071.15
501- 600 stems/ha9.6138.5144.1202.7253.2231.63329.78
more than 600 stems/ha6.3178.3156.1161.4351.8320.84424.68
total422.11199.71128.02106.42136.12136.021128.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #853787/320118
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