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NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha43.31.551.51.325.51.321.91.011.91.331.50.6
101-200 stems/ha30.71.428.81.313.51.19.00.74.30.817.40.5
201-300 stems/ha6.00.89.20.86.40.82.40.40.20.25.00.3
301-400 stems/ha0.70.31.10.31.70.40.70.20.0.0.90.1
401-500 stems/ha0.20.20.30.20.40.20.10.10.0.0.20.1
501- 600 stems/ha0.10.10.0.0.10.10.10.10.0.0.10.0
more than 600 stems/ha0.0.0.10.10.0.0.10.10.0.0.00.0
total81.01.391.00.947.61.634.21.216.31.555.10.6
inside perimeter0-100 stems/ha1.10.30.0.2.60.59.30.75.20.94.10.3
101-200 stems/ha1.40.40.0.2.40.57.00.63.60.73.20.2
201-300 stems/ha0.0.0.0.1.20.32.40.40.50.31.00.1
301-400 stems/ha0.0.0.0.0.0.0.40.10.40.30.20.1
401-500 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
total2.50.50.0.6.20.719.11.09.71.28.50.4
outside perimeter0-100 stems/ha7.70.84.70.619.91.328.11.154.32.021.00.5
101-200 stems/ha6.90.83.70.618.11.213.60.815.21.411.40.4
201-300 stems/ha1.40.40.50.26.70.84.20.54.00.83.40.2
301-400 stems/ha0.30.20.10.11.30.40.60.20.30.20.50.1
401-500 stems/ha0.0.0.0.0.20.10.0.0.20.20.10.0
501- 600 stems/ha0.0.0.0.0.10.10.0.0.0.0.00.0
more than 600 stems/ha0.10.10.0.0.0.0.10.10.0.0.00.0
total16.51.29.00.946.21.646.61.274.01.836.40.6
total0-100 stems/ha52.11.556.21.348.01.459.31.171.51.756.60.6
101-200 stems/ha39.11.532.51.333.91.429.61.123.01.732.00.6
201-300 stems/ha7.40.89.80.914.21.19.00.74.70.89.40.4
301-400 stems/ha1.00.31.20.33.00.51.60.30.70.31.60.2
401-500 stems/ha0.20.20.30.20.60.20.10.10.20.20.30.1
501- 600 stems/ha0.10.10.0.0.20.10.10.10.0.0.10.0
more than 600 stems/ha0.10.10.10.10.0.0.20.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863690/330021
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha42.41.554.62.849.22.849.62.255.11.821.92.628.71.824.62.025.02.333.93.720.22.926.21.631.11.517.81.333.90.5
101-200 stems/ha30.21.527.92.629.32.724.32.129.41.810.51.913.31.415.41.810.31.79.32.410.32.44.30.810.91.13.50.616.10.4
201-300 stems/ha5.70.86.61.68.71.610.81.59.01.14.71.35.41.06.61.21.80.74.21.73.91.51.20.42.50.60.10.14.60.3
301-400 stems/ha0.70.31.20.71.90.81.20.50.80.41.60.82.10.61.80.61.40.61.20.90.50.50.30.20.40.20.0.0.90.1
401-500 stems/ha0.40.20.0.0.80.50.0.0.30.20.40.40.40.30.20.20.30.30.0.0.0.0.0.0.0.0.0.0.20.1
501- 600 stems/ha0.0.0.40.40.0.0.0.0.0.0.0.0.20.20.0.0.30.30.0.0.0.0.0.0.0.0.0.0.00.0
more than 600 stems/ha0.0.0.0.0.0.0.30.30.0.0.30.30.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.00.0
total79.31.490.71.989.81.986.21.794.80.939.43.150.02.148.62.439.12.748.64.135.43.632.11.844.91.721.41.455.80.5
inside perimeter0-100 stems/ha1.30.40.0.0.0.0.30.30.0.5.01.43.10.71.40.611.41.79.52.49.72.210.61.27.20.95.40.84.40.2
101-200 stems/ha1.60.40.0.0.0.0.0.0.0.3.81.22.50.70.90.43.61.08.02.28.52.17.61.04.50.73.10.62.90.2
201-300 stems/ha0.0.0.0.0.0.0.0.0.0.1.50.70.40.31.30.52.30.82.71.41.71.02.20.51.60.50.50.20.90.1
301-400 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.50.70.70.50.50.30.20.10.10.30.20.10.0
401-500 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
total3.00.60.0.0.0.0.30.30.0.10.31.95.91.03.60.918.32.120.93.420.43.120.81.613.61.29.21.08.40.3
outside perimeter0-100 stems/ha8.30.93.61.25.41.46.31.23.10.724.32.720.71.719.41.924.72.320.33.325.43.131.21.824.61.553.21.721.40.5
101-200 stems/ha7.30.94.91.43.71.26.61.21.80.517.22.317.31.619.01.913.31.87.72.211.72.412.31.212.51.112.31.110.70.4
201-300 stems/ha1.50.40.80.60.70.50.70.40.30.27.11.65.71.07.21.23.81.01.91.16.01.63.00.73.80.73.30.63.10.2
301-400 stems/ha0.50.20.0.0.30.30.0.0.0.1.70.80.30.21.60.60.80.50.70.71.10.80.60.30.50.30.30.20.50.1
401-500 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.0.0.0.0.0.0.0.0.0.0.10.10.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.00.0
more than 600 stems/ha0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.00.0
total17.71.39.31.910.21.913.61.75.20.950.33.244.02.147.82.442.62.730.53.844.33.747.11.941.51.769.31.535.80.5
total0-100 stems/ha52.01.558.22.754.62.756.12.258.21.751.32.852.41.945.42.361.12.463.63.555.23.368.01.662.81.576.41.459.60.5
101-200 stems/ha39.21.632.92.733.02.830.92.131.31.831.52.833.12.035.22.327.22.325.03.430.63.424.21.627.91.518.91.329.70.5
201-300 stems/ha7.20.97.41.79.41.611.51.59.41.213.32.011.51.415.11.77.91.48.82.311.62.26.40.98.00.93.90.68.60.3
301-400 stems/ha1.20.41.20.72.20.91.20.50.80.43.21.12.40.73.40.93.00.92.61.32.11.01.20.41.00.40.60.31.60.2
401-500 stems/ha0.40.20.0.0.80.50.0.0.30.20.40.40.40.30.70.40.60.40.0.0.0.0.0.0.10.10.10.10.30.1
501- 600 stems/ha0.0.0.40.40.0.0.0.0.0.0.0.0.20.20.20.20.30.30.0.0.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.10.10.0.0.0.0.30.30.0.0.30.30.0.0.0.0.0.0.0.0.50.50.20.20.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863691/330022
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha41.91.653.72.848.32.949.42.454.41.921.82.929.41.925.22.225.42.532.73.917.53.025.11.730.61.617.31.333.50.6
101-200 stems/ha30.11.629.02.829.92.924.82.230.91.911.32.213.31.515.71.910.91.89.72.59.22.43.90.810.71.13.90.716.40.5
201-300 stems/ha5.60.86.71.69.51.810.81.68.21.24.91.46.11.17.21.31.70.73.81.73.91.61.00.42.70.60.10.14.70.3
301-400 stems/ha0.80.31.30.71.70.91.10.61.00.41.80.92.10.71.60.61.60.71.51.00.50.50.20.20.40.20.0.0.90.1
401-500 stems/ha0.40.20.0.0.40.40.0.0.40.30.50.50.50.30.30.30.40.40.0.0.0.0.0.0.0.0.0.0.20.1
501- 600 stems/ha0.0.0.40.40.0.0.0.0.0.0.0.0.20.20.0.0.40.40.0.0.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.0.0.0.0.0.0.30.30.0.0.40.40.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.00.0
total78.81.491.11.989.82.086.31.894.90.940.53.551.52.249.92.640.32.947.74.431.83.830.11.944.51.821.31.555.80.6
inside perimeter0-100 stems/ha1.30.40.0.0.0.0.0.0.0.4.81.52.80.71.10.610.61.87.82.310.12.510.11.37.21.05.30.84.20.3
101-200 stems/ha1.70.50.0.0.0.0.0.0.0.3.91.32.40.71.00.53.81.18.82.49.42.47.81.14.50.82.90.63.00.2
201-300 stems/ha0.0.0.0.0.0.0.0.0.0.1.70.80.40.31.50.62.70.93.01.52.01.22.50.61.40.40.40.20.90.1
301-400 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.80.80.50.50.30.20.10.10.30.20.10.0
401-500 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
total3.10.60.0.0.0.0.0.0.0.10.32.15.61.03.71.017.72.320.53.622.03.420.81.613.31.39.01.08.30.3
outside perimeter0-100 stems/ha8.91.02.71.15.61.56.41.32.90.722.92.920.01.818.52.125.02.521.23.625.53.333.21.925.31.653.11.821.50.5
101-200 stems/ha7.20.95.31.53.41.26.41.31.90.616.32.417.01.718.42.012.41.98.42.412.52.712.41.312.71.212.91.210.60.4
201-300 stems/ha1.50.40.90.60.80.50.80.50.20.28.11.85.51.16.81.33.71.11.51.07.01.93.20.73.70.73.30.63.10.2
301-400 stems/ha0.40.20.0.0.40.40.0.0.0.1.91.00.40.31.90.70.90.50.70.71.20.90.30.20.40.20.30.20.50.1
401-500 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.40.0.0.0.0.0.0.0.0.0.0.10.10.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.00.0
more than 600 stems/ha0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.00.0
total18.11.48.91.910.22.013.71.85.10.949.13.542.82.246.42.642.02.931.84.146.24.049.02.142.21.869.71.635.90.6
total0-100 stems/ha52.11.656.42.753.92.955.82.357.41.849.43.052.22.044.92.461.02.661.83.753.13.668.31.763.11.575.81.559.20.6
101-200 stems/ha39.01.734.32.833.33.031.22.332.91.931.43.032.72.135.12.527.02.526.93.631.13.724.01.727.91.619.71.430.10.6
201-300 stems/ha7.20.97.61.710.31.811.61.78.41.214.62.312.01.515.51.88.11.58.32.412.92.56.71.07.81.03.80.78.70.4
301-400 stems/ha1.20.41.30.72.10.91.10.61.00.43.71.32.50.73.40.92.80.93.01.52.31.10.80.41.00.40.50.31.60.2
401-500 stems/ha0.40.20.0.0.40.40.0.0.40.30.50.50.50.30.80.40.70.50.0.0.0.0.0.0.0.0.10.10.30.1
501- 600 stems/ha0.0.0.40.40.0.0.0.0.0.0.0.0.20.20.30.30.40.40.0.0.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.10.10.0.0.0.0.30.30.0.0.40.40.0.0.0.0.0.0.0.0.50.50.20.20.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863692/330023
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha44.41.451.51.326.61.327.71.017.91.333.70.6
101-200 stems/ha29.91.428.71.313.61.08.30.63.80.716.30.5
201-300 stems/ha5.80.79.30.86.10.72.20.30.10.14.60.3
301-400 stems/ha0.90.31.20.31.90.40.60.20.0.0.90.1
401-500 stems/ha0.30.20.30.20.40.20.10.10.0.0.20.1
501- 600 stems/ha0.10.10.0.0.10.10.10.10.0.0.00.0
more than 600 stems/ha0.0.0.10.10.10.10.00.00.0.0.00.0
total81.51.291.20.848.71.539.01.121.81.555.90.6
inside perimeter0-100 stems/ha1.00.30.0.2.50.58.80.65.50.84.20.3
101-200 stems/ha1.30.40.0.2.20.46.00.52.90.62.90.2
201-300 stems/ha0.0.0.0.1.10.32.10.30.40.20.90.1
301-400 stems/ha0.0.0.0.0.0.0.30.10.30.20.10.0
401-500 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
total2.40.50.0.5.80.717.30.99.01.08.20.3
outside perimeter0-100 stems/ha7.50.84.50.619.81.227.21.052.81.821.40.5
101-200 stems/ha6.80.83.70.617.81.112.30.712.81.210.80.4
201-300 stems/ha1.40.40.50.26.40.73.60.43.20.63.10.2
301-400 stems/ha0.40.20.10.11.20.30.60.20.20.20.50.1
401-500 stems/ha0.0.0.0.0.20.10.0.0.10.10.10.0
501- 600 stems/ha0.0.0.0.0.10.10.0.0.0.0.00.0
more than 600 stems/ha0.10.10.0.0.0.0.10.10.0.0.00.0
total16.21.18.80.845.51.543.71.169.21.635.90.6
total0-100 stems/ha52.91.456.11.349.01.463.71.076.11.459.30.6
101-200 stems/ha38.11.432.31.333.51.426.61.019.51.430.00.6
201-300 stems/ha7.20.89.80.913.61.07.80.63.70.78.70.4
301-400 stems/ha1.30.41.30.33.00.51.50.30.50.31.60.2
401-500 stems/ha0.30.20.30.20.60.20.20.10.10.10.30.1
501- 600 stems/ha0.10.10.0.0.20.10.10.10.0.0.10.0
more than 600 stems/ha0.10.10.10.10.10.10.20.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863693/330024
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, 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
state2009/17
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 >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha40.31.752.32.953.12.853.92.358.21.819.02.928.11.923.62.219.02.424.33.916.23.219.21.724.51.711.01.231.90.6
101-200 stems/ha30.01.629.92.925.72.725.52.228.01.810.42.114.41.614.91.910.11.912.83.26.22.04.60.912.41.34.70.916.90.5
201-300 stems/ha6.80.97.31.79.71.86.11.27.41.17.11.75.41.17.61.43.51.17.32.56.02.10.80.43.70.80.60.35.10.3
301-400 stems/ha0.70.31.40.80.40.40.60.41.00.41.30.82.30.71.60.71.10.60.0.0.0.0.20.21.20.40.0.0.90.1
401-500 stems/ha0.40.20.0.0.50.50.0.0.20.20.90.60.20.20.90.50.80.60.90.90.0.0.0.0.0.0.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
total78.31.590.91.989.42.186.31.894.81.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.10.6
inside perimeter0-100 stems/ha1.30.40.0.0.0.0.0.0.0.5.31.62.90.81.50.711.72.07.62.511.12.79.81.36.81.05.10.94.00.3
101-200 stems/ha1.80.50.0.0.0.0.0.0.0.3.51.22.80.81.10.55.21.49.82.89.12.69.11.36.01.03.30.73.30.2
201-300 stems/ha0.10.10.0.0.0.0.0.0.0.1.40.80.0.1.40.61.90.84.52.02.21.33.40.81.20.40.90.41.00.1
301-400 stems/ha0.0.0.0.0.0.0.0.0.0.0.40.40.20.20.0.0.40.41.01.01.61.20.60.30.0.0.40.30.20.1
401-500 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
total3.20.70.0.0.0.0.0.0.0.10.62.25.91.14.01.019.52.522.94.124.03.723.11.814.01.49.71.28.50.4
outside perimeter0-100 stems/ha8.31.03.61.36.31.66.51.32.50.724.53.119.61.820.72.226.82.817.43.623.73.433.42.124.11.751.92.020.40.5
101-200 stems/ha8.91.04.51.42.31.06.11.32.50.715.52.518.91.817.21.912.12.09.22.815.23.114.31.515.51.417.41.511.90.4
201-300 stems/ha1.20.40.90.61.60.80.80.50.20.29.21.94.31.07.91.45.61.44.41.98.12.23.60.84.10.84.00.83.40.2
301-400 stems/ha0.10.10.0.0.40.40.30.30.0.1.40.81.00.51.40.61.10.60.90.90.60.60.80.40.50.30.60.30.60.1
401-500 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.40.40.0.0.0.0.0.0.0.0.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.00.0
total18.51.49.11.910.62.113.71.85.21.050.63.643.82.347.42.746.03.231.94.447.64.252.12.244.32.074.01.836.30.6
total0-100 stems/ha49.81.656.02.859.42.760.32.160.71.848.93.050.52.045.82.457.52.849.24.251.03.962.31.955.41.868.01.856.40.6
101-200 stems/ha40.71.734.52.928.02.831.62.230.51.829.53.136.02.133.22.527.32.831.84.330.54.028.11.933.91.825.41.732.10.6
201-300 stems/ha8.11.08.21.811.31.97.01.37.61.117.72.49.71.416.81.911.01.816.23.416.33.07.91.18.91.15.60.99.50.4
301-400 stems/ha0.80.31.40.80.80.60.80.51.00.43.11.23.50.93.00.92.61.01.91.32.21.31.50.51.70.51.00.41.70.2
401-500 stems/ha0.40.20.0.0.50.50.0.0.20.20.90.60.20.21.20.61.60.80.90.90.0.0.0.0.0.0.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863694/330025
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha44.41.451.61.326.61.327.11.017.31.333.50.6
101-200 stems/ha29.91.428.71.313.71.18.40.63.90.716.40.5
201-300 stems/ha5.90.79.30.86.20.72.20.30.10.14.70.3
301-400 stems/ha0.90.31.20.31.80.40.60.20.0.0.90.1
401-500 stems/ha0.30.20.30.20.40.20.10.10.0.0.20.1
501- 600 stems/ha0.10.10.0.0.10.10.10.10.0.0.10.0
more than 600 stems/ha0.0.0.10.10.10.10.10.10.0.0.00.0
total81.51.291.20.848.91.538.41.121.31.555.80.6
inside perimeter0-100 stems/ha1.00.30.0.2.60.58.80.75.30.84.20.3
101-200 stems/ha1.40.40.0.2.20.46.10.52.90.63.00.2
201-300 stems/ha0.0.0.0.1.10.32.10.30.40.20.90.1
301-400 stems/ha0.0.0.0.0.0.0.30.10.30.20.10.0
401-500 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
total2.40.50.0.5.90.717.50.99.01.08.30.3
outside perimeter0-100 stems/ha7.50.84.60.619.81.227.51.053.11.821.50.5
101-200 stems/ha6.80.83.60.617.31.112.20.712.91.210.70.4
201-300 stems/ha1.40.40.50.26.50.73.70.43.30.63.20.2
301-400 stems/ha0.30.20.10.11.20.30.60.20.30.20.50.1
401-500 stems/ha0.0.0.0.0.20.10.0.0.10.10.10.0
501- 600 stems/ha0.0.0.0.0.10.10.0.0.0.0.00.0
more than 600 stems/ha0.10.10.0.0.0.0.10.10.0.0.00.0
total16.11.28.80.845.21.544.11.169.71.636.00.6
total0-100 stems/ha52.91.456.21.349.01.463.51.075.81.559.20.6
101-200 stems/ha38.11.432.31.333.31.426.71.019.71.430.10.6
201-300 stems/ha7.30.89.90.913.81.07.90.63.80.78.80.4
301-400 stems/ha1.20.31.20.33.00.51.50.30.50.31.60.2
401-500 stems/ha0.30.20.30.20.60.20.10.10.10.10.30.1
501- 600 stems/ha0.10.10.0.0.20.10.10.10.0.0.10.0
more than 600 stems/ha0.10.10.10.10.10.10.20.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863695/330026
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, 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 >= 36cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha43.41.456.21.227.51.328.71.019.01.334.90.5
101-200 stems/ha29.71.426.61.213.31.08.30.64.20.715.70.4
201-300 stems/ha7.00.87.30.76.60.72.70.40.50.34.70.3
301-400 stems/ha1.00.30.80.31.90.40.60.20.0.0.90.1
401-500 stems/ha0.40.20.20.10.70.30.10.10.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.10.10.10.10.0.0.0.0.00.0
total81.71.291.20.850.11.540.41.123.71.556.50.6
inside perimeter0-100 stems/ha0.90.30.0.2.80.58.20.64.90.84.00.2
101-200 stems/ha1.30.40.0.2.20.46.30.52.60.53.00.2
201-300 stems/ha0.10.10.0.0.70.21.90.30.70.30.90.1
301-400 stems/ha0.0.0.0.0.20.10.30.10.30.20.20.1
401-500 stems/ha0.0.0.0.0.0.0.00.00.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
total2.40.50.0.5.80.716.80.88.51.08.10.3
outside perimeter0-100 stems/ha7.00.84.40.620.21.225.81.050.01.720.80.5
101-200 stems/ha7.80.83.60.516.31.112.20.714.01.210.80.4
201-300 stems/ha1.10.30.70.26.40.74.00.43.30.63.20.2
301-400 stems/ha0.10.10.20.11.10.30.70.20.50.20.50.1
401-500 stems/ha0.0.0.0.0.10.10.00.00.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
total16.01.18.80.844.11.542.81.167.81.635.40.6
total0-100 stems/ha51.41.460.61.250.51.362.70.974.01.459.60.5
101-200 stems/ha38.91.430.21.231.81.326.80.920.81.429.60.5
201-300 stems/ha8.10.88.00.813.71.08.50.64.50.78.80.3
301-400 stems/ha1.10.31.00.33.10.51.60.30.80.31.60.2
401-500 stems/ha0.40.20.20.10.80.30.20.10.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.10.10.10.10.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863696/330027
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha44.91.452.21.226.01.227.90.917.81.333.80.5
101-200 stems/ha29.71.327.71.213.51.08.60.63.50.616.10.4
201-300 stems/ha5.90.79.50.85.70.72.20.30.10.14.60.3
301-400 stems/ha0.80.31.20.31.80.40.60.20.0.0.90.1
401-500 stems/ha0.30.20.30.20.30.20.00.00.0.0.20.1
501- 600 stems/ha0.10.10.0.0.10.10.00.00.0.0.00.0
more than 600 stems/ha0.0.0.10.10.10.10.00.00.0.0.00.0
total81.71.291.00.847.41.439.41.021.41.455.70.5
inside perimeter0-100 stems/ha1.00.30.10.12.80.59.20.65.40.84.40.2
101-200 stems/ha1.30.30.0.2.20.45.90.53.10.62.90.2
201-300 stems/ha0.0.0.0.1.00.32.00.30.50.20.90.1
301-400 stems/ha0.0.0.0.0.0.0.40.10.30.20.20.0
401-500 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.00.00.0.0.00.0
total2.30.50.10.16.00.717.60.89.21.08.40.3
outside perimeter0-100 stems/ha7.30.84.60.620.91.226.40.953.21.721.40.5
101-200 stems/ha6.80.73.80.517.81.112.20.712.31.110.70.4
201-300 stems/ha1.40.30.50.26.60.73.70.43.30.63.20.2
301-400 stems/ha0.40.20.10.11.10.30.70.20.30.20.50.1
401-500 stems/ha0.0.0.0.0.20.10.0.0.10.10.00.0
501- 600 stems/ha0.0.0.0.0.10.10.0.0.0.0.00.0
more than 600 stems/ha0.10.10.0.0.0.0.00.00.0.0.00.0
total16.01.19.00.846.61.442.91.169.31.535.90.5
total0-100 stems/ha53.31.356.81.249.71.363.50.976.41.459.60.5
101-200 stems/ha37.91.431.51.233.51.326.70.918.91.329.80.5
201-300 stems/ha7.30.810.10.813.20.97.80.63.90.68.70.3
301-400 stems/ha1.20.31.20.32.90.51.60.30.60.31.60.2
401-500 stems/ha0.30.20.30.20.50.20.10.10.10.10.30.1
501- 600 stems/ha0.10.10.0.0.20.10.00.00.0.0.10.0
more than 600 stems/ha0.10.10.10.10.10.10.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863697/330028
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, 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 >= 36cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha43.41.456.11.226.31.326.41.016.51.333.80.5
101-200 stems/ha29.81.426.61.213.51.08.50.64.30.716.00.5
201-300 stems/ha6.80.87.40.76.50.72.80.40.50.34.80.3
301-400 stems/ha1.00.30.80.31.90.40.60.20.0.0.90.1
401-500 stems/ha0.40.20.20.10.70.20.20.10.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.10.10.0.0.0.0.0.0.00.0
total81.51.291.20.848.91.538.41.121.31.555.80.6
inside perimeter0-100 stems/ha0.90.30.0.2.80.58.50.65.20.84.10.3
101-200 stems/ha1.30.40.0.2.20.46.60.62.70.63.10.2
201-300 stems/ha0.10.10.0.0.70.32.00.30.80.30.90.1
301-400 stems/ha0.0.0.0.0.20.10.40.10.30.20.20.1
401-500 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
total2.40.50.0.5.90.717.50.99.01.08.30.3
outside perimeter0-100 stems/ha7.10.84.40.620.61.226.51.051.11.821.00.5
101-200 stems/ha7.80.83.50.516.91.112.80.814.81.311.20.4
201-300 stems/ha1.10.30.70.26.50.74.00.43.30.63.20.2
301-400 stems/ha0.10.10.20.11.10.30.70.20.50.30.50.1
401-500 stems/ha0.0.0.0.0.10.10.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
total16.11.28.80.845.21.544.11.169.71.636.00.6
total0-100 stems/ha51.41.460.61.249.61.361.31.072.81.558.80.6
101-200 stems/ha39.01.530.11.232.61.427.91.021.81.430.30.6
201-300 stems/ha8.00.88.10.813.81.08.80.64.60.88.90.4
301-400 stems/ha1.10.31.00.33.20.51.70.30.80.31.60.2
401-500 stems/ha0.40.20.20.10.70.30.30.10.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.10.10.0.0.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863698/330029
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, 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 >= 36cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha42.91.555.91.325.01.321.21.011.01.231.90.6
101-200 stems/ha30.01.426.71.213.71.19.10.74.70.916.90.5
201-300 stems/ha6.90.87.50.86.50.83.10.40.60.35.10.3
301-400 stems/ha0.80.30.70.31.90.40.70.20.0.0.90.1
401-500 stems/ha0.30.20.20.10.60.20.20.10.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.10.10.0.0.0.0.0.0.00.0
total81.01.391.00.947.61.634.21.216.31.555.10.6
inside perimeter0-100 stems/ha1.00.30.0.2.80.58.90.75.10.94.00.3
101-200 stems/ha1.40.40.0.2.40.57.40.63.30.73.30.2
201-300 stems/ha0.10.10.0.0.80.32.30.40.90.41.00.1
301-400 stems/ha0.0.0.0.0.20.10.40.20.40.30.20.1
401-500 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
total2.50.50.0.6.20.719.11.09.71.28.50.4
outside perimeter0-100 stems/ha7.30.84.50.620.71.326.91.151.92.020.40.5
101-200 stems/ha8.00.93.60.617.71.214.30.917.41.511.90.4
201-300 stems/ha1.10.30.70.36.50.84.60.54.00.83.50.2
301-400 stems/ha0.10.10.20.11.20.30.70.20.60.30.60.1
401-500 stems/ha0.0.0.0.0.10.10.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.00.0
total16.51.29.00.946.21.646.61.274.01.836.40.6
total0-100 stems/ha51.11.460.41.248.51.457.01.168.01.856.30.6
101-200 stems/ha39.31.530.31.333.81.430.81.125.41.732.20.6
201-300 stems/ha8.10.98.20.813.81.010.00.75.60.99.50.4
301-400 stems/ha0.90.30.90.33.20.51.80.31.00.41.60.2
401-500 stems/ha0.30.20.20.10.70.30.30.10.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.10.10.0.0.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863699/330030
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha63.02.935.614.130.38.956.12.356.15.057.04.262.518.243.39.660.92.852.84.451.73.649.44.370.412.559.47.053.14.958.35.556.24.052.36.054.84.278.84.675.88.252.72.577.33.759.613.554.92.857.30.9
101-200 stems/ha31.02.935.914.019.27.331.12.232.65.127.54.025.016.232.59.631.12.735.44.425.83.543.24.515.010.125.96.629.44.633.55.633.53.938.76.032.74.620.14.516.27.338.52.517.23.321.211.435.82.931.50.8
201-300 stems/ha4.31.322.011.638.910.09.11.49.03.412.62.812.512.416.87.77.01.59.92.818.82.96.52.414.69.412.05.113.93.38.33.59.52.45.72.811.23.31.21.28.05.46.71.34.71.919.210.68.41.99.10.5
301-400 stems/ha1.30.76.56.411.76.62.50.82.41.72.21.30.0.3.73.71.10.61.81.32.41.20.0.0.0.2.72.71.81.20.0.0.70.73.32.30.0.0.0.0.0.1.80.70.80.80.0.1.00.71.60.2
401-500 stems/ha0.0.0.0.0.0.0.70.40.0.0.70.70.0.0.0.0.0.0.0.0.60.60.90.90.0.0.0.1.81.20.0.0.0.0.0.1.31.30.0.0.0.0.30.30.0.0.0.0.0.0.30.1
501- 600 stems/ha0.40.40.0.0.0.0.50.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
more than 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.73.70.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha..0.0.0.0.50.36.2..49.020.5..50.411.248.34.8100.0.0.0.17.616.384.814.651.117.447.511.3..100.0.14.313.2..62.27.632.110.644.810.047.44.50.0...48.32.3
101-200 stems/ha..0.0.0.0.32.45.8..51.020.5..38.910.939.44.70.0.69.126.382.416.315.214.640.717.240.311.1..0.0.36.617.3..32.17.349.911.442.99.937.74.4100.0...37.82.3
201-300 stems/ha..100.0.100.0.15.74.6..0.0...5.95.79.42.80.0.30.926.30.0.0.0.8.28.112.36.7..0.0.49.118.6..5.73.911.37.58.75.912.42.90.0...11.71.5
301-400 stems/ha..0.0.0.0.1.71.7..0.0...4.84.72.91.60.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.6.86.50.0.1.71.20.0...1.80.6
401-500 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.3.63.50.0.0.0...0.20.2
501- 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.
more than 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.80.80.0...0.20.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimeter0-100 stems/ha..34.914.420.911.147.92.731.310.743.66.0..54.29.658.32.541.06.646.68.662.012.562.613.855.08.442.54.30.0.55.313.340.86.454.513.475.82.269.89.755.75.666.12.759.013.945.217.557.61.1
101-200 stems/ha..42.014.935.812.235.92.657.511.640.26.0..27.79.031.22.445.96.647.38.629.411.337.413.839.48.238.94.3100.0.39.113.141.26.845.513.418.82.025.99.333.35.326.52.623.111.641.117.731.41.0
201-300 stems/ha..23.112.320.811.114.21.911.27.611.93.9..18.16.99.01.57.43.66.14.38.68.20.0.5.63.913.33.00.0.5.55.418.05.10.0.5.11.20.0.8.63.16.61.57.77.613.712.79.30.7
301-400 stems/ha..0.0.16.89.01.90.80.0.4.32.5..0.0.1.10.63.82.70.0.0.0.0.0.0.0.3.91.70.0.0.0.0.0.0.0.0.0.4.24.22.31.60.70.510.29.40.0.1.40.3
401-500 stems/ha..0.0.5.65.60.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.10.1
501- 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
more than 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.30.31.91.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha63.02.931.39.126.66.652.41.651.24.252.53.362.518.249.35.457.91.650.43.550.03.249.53.969.98.156.94.947.33.056.55.356.43.745.44.054.83.775.21.961.95.452.82.164.61.957.49.654.62.756.60.6
101-200 stems/ha31.02.934.59.424.36.233.11.637.54.632.23.325.016.232.55.632.31.637.83.530.23.243.34.123.07.332.74.835.13.035.55.533.83.739.64.334.24.220.11.828.75.137.92.226.81.924.68.435.92.832.00.6
201-300 stems/ha4.31.331.28.934.07.511.71.19.43.112.02.212.512.414.24.18.31.08.82.216.82.66.52.27.14.89.03.113.52.18.03.49.12.213.22.99.92.94.50.96.02.97.11.27.51.113.76.78.51.89.40.4
301-400 stems/ha1.30.73.03.013.25.22.20.51.91.32.91.10.0.2.71.81.40.42.41.22.01.00.0.0.0.1.41.42.71.00.0.0.70.71.81.20.0.0.0.3.32.41.80.61.00.44.34.30.90.61.60.2
401-500 stems/ha0.0.0.0.1.91.90.40.20.0.0.50.50.0.0.0.0.0.0.0.0.50.50.80.70.0.0.0.1.10.60.0.0.0.0.0.1.11.10.20.20.0.0.40.30.0.0.0.0.0.0.20.1
501- 600 stems/ha0.40.40.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.31.30.10.10.60.60.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863700/330031
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha63.22.932.713.430.38.956.72.256.74.857.94.168.415.950.78.669.12.353.34.351.63.650.94.275.510.560.76.751.44.758.35.556.53.958.05.554.84.284.93.280.16.354.62.383.22.857.212.855.02.760.10.8
101-200 stems/ha30.92.841.113.819.27.330.42.131.34.926.53.921.114.029.58.324.72.234.54.325.83.441.94.412.48.525.86.331.14.433.55.633.43.834.15.433.14.614.33.111.45.336.62.412.92.525.811.435.32.929.40.8
201-300 stems/ha4.21.320.210.738.910.08.71.38.63.312.82.710.510.513.76.45.41.210.42.818.32.96.32.312.17.811.04.714.33.28.33.59.42.35.02.510.93.20.80.78.54.76.01.23.41.317.09.58.71.98.40.5
301-400 stems/ha1.30.76.05.911.76.62.80.83.52.02.21.20.0.3.13.00.80.51.81.23.11.40.0.0.0.2.52.51.61.10.0.0.70.72.92.00.0.0.0.0.0.2.20.80.60.60.0.0.90.71.70.2
401-500 stems/ha0.0.0.0.0.0.0.70.40.0.0.70.70.0.0.0.0.0.0.0.0.60.60.90.80.0.0.0.1.61.10.0.0.0.0.0.1.21.20.0.0.0.0.50.40.0.0.0.0.0.0.30.1
501- 600 stems/ha0.40.40.0.0.0.0.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
more than 600 stems/ha0.0.0.0.0.0.0.20.20.0.0.0.0.0.3.13.00.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha..0.0.0.0.51.86.1..49.020.5..48.110.951.24.6100.0.0.0.17.616.384.814.651.117.447.511.3..100.0.25.915.6..68.26.735.810.647.09.848.44.40.0...50.52.2
101-200 stems/ha..0.0.0.0.31.45.7..51.020.5..41.710.736.84.50.0.69.126.382.416.315.214.640.717.240.311.1..0.0.31.615.4..27.06.447.111.041.29.737.24.4100.0...36.22.2
201-300 stems/ha..100.0.100.0.15.24.4..0.0...5.65.59.42.70.0.30.926.30.0.0.0.8.28.112.36.7..0.0.42.417.4..4.83.310.77.18.45.712.02.80.0...11.21.4
301-400 stems/ha..0.0.0.0.1.61.6..0.0...4.64.52.61.50.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.6.46.10.0.1.61.10.0...1.70.6
401-500 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.3.43.40.0.0.0...0.20.2
501- 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.
more than 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.80.80.0...0.20.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimeter0-100 stems/ha..34.914.420.911.148.32.635.410.944.65.9..55.79.361.62.341.06.648.18.562.012.566.212.755.88.343.84.10.0.55.313.344.26.254.513.478.61.973.88.656.95.567.62.659.013.945.217.559.81.0
101-200 stems/ha..42.014.935.812.235.92.654.011.538.45.9..26.88.829.02.245.96.645.98.429.411.333.812.738.78.138.14.1100.0.39.113.139.46.445.513.416.71.822.58.232.45.225.32.523.111.641.117.729.81.0
201-300 stems/ha..23.112.320.811.113.91.910.57.212.94.0..17.56.67.91.37.43.66.04.18.68.20.0.5.53.813.12.90.0.5.55.416.54.70.0.4.51.00.0.8.43.16.41.47.77.613.712.78.70.6
301-400 stems/ha..0.0.16.89.01.80.70.0.4.12.3..0.0.1.20.63.82.70.0.0.0.0.0.0.0.3.61.60.0.0.0.0.0.0.0.0.0.3.73.62.31.60.70.510.29.40.0.1.40.3
401-500 stems/ha..0.0.5.65.60.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.10.1
501- 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
more than 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.20.21.91.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha63.22.930.18.926.66.653.01.552.44.253.43.268.415.951.75.063.21.450.73.450.23.250.83.873.67.157.94.847.32.856.55.356.63.650.53.854.73.879.11.667.74.554.62.068.31.756.29.254.72.659.20.6
101-200 stems/ha30.92.837.19.424.36.232.71.535.84.430.93.221.114.031.85.228.31.437.13.530.03.242.14.020.26.432.24.735.32.935.55.533.83.636.14.034.64.217.01.523.44.236.22.124.01.727.08.435.52.830.10.6
201-300 stems/ha4.21.330.08.634.07.511.31.19.03.012.52.110.510.512.93.77.10.89.22.216.42.56.32.16.24.28.63.013.52.08.03.49.02.211.82.69.62.93.70.86.22.66.61.16.71.012.86.38.91.98.70.4
301-400 stems/ha1.30.72.82.813.25.22.30.52.81.62.71.10.0.2.41.71.30.42.41.22.51.10.0.0.0.1.31.32.50.90.0.0.60.61.61.10.0.0.0.2.71.92.10.70.80.44.14.00.90.61.60.2
401-500 stems/ha0.0.0.0.1.91.90.30.20.0.0.50.50.0.0.0.0.0.0.0.0.50.50.70.70.0.0.0.1.00.60.0.0.0.0.0.1.11.10.20.20.0.0.60.30.0.0.0.0.0.0.20.1
501- 600 stems/ha0.40.40.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.0.0.0.1.21.20.10.10.60.60.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863701/330032
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha63.32.832.713.430.38.956.92.256.74.858.24.068.415.952.58.569.92.352.84.351.53.551.74.175.510.560.76.751.54.658.35.556.23.957.85.455.64.285.33.181.36.055.02.383.12.757.212.855.02.760.40.8
101-200 stems/ha30.82.841.113.819.27.330.32.131.34.926.33.921.114.028.48.023.82.235.14.426.43.441.24.312.48.525.86.330.54.433.55.633.33.834.55.432.54.614.03.010.75.036.22.313.12.525.811.435.32.929.10.8
201-300 stems/ha4.21.320.210.738.910.08.61.38.63.312.72.710.510.513.26.25.51.210.42.817.92.86.22.212.17.811.04.714.03.28.33.59.92.44.92.410.73.10.70.78.04.45.91.13.31.317.09.58.71.98.30.5
301-400 stems/ha1.30.76.05.911.76.63.00.83.52.02.11.20.0.2.92.90.80.51.81.23.01.30.0.0.0.2.52.52.41.40.0.0.70.72.92.00.0.0.0.0.0.2.10.80.60.60.0.0.90.71.70.2
401-500 stems/ha0.0.0.0.0.0.0.60.40.0.0.70.70.0.0.0.0.0.0.0.0.60.60.80.80.0.0.0.1.61.10.0.0.0.0.0.1.21.20.0.0.0.0.80.40.0.0.0.0.0.0.40.1
501- 600 stems/ha0.40.40.0.0.0.0.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
more than 600 stems/ha0.0.0.0.0.0.0.20.20.0.0.0.0.0.2.92.90.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha..0.0.0.0.52.66.1..49.020.5..48.110.951.64.5100.0.0.0.17.616.384.814.651.117.447.511.3..100.0.25.915.6..68.96.635.810.647.09.848.44.40.0...50.82.2
101-200 stems/ha..0.0.0.0.30.95.6..51.020.5..41.710.735.94.40.0.69.126.382.416.315.214.640.717.240.311.1..0.0.31.615.4..26.46.347.111.041.29.737.24.4100.0...35.82.2
201-300 stems/ha..100.0.100.0.14.94.4..0.0...5.65.59.22.60.0.30.926.30.0.0.0.8.28.112.36.7..0.0.42.417.4..4.73.310.77.18.45.712.02.80.0...11.11.4
301-400 stems/ha..0.0.0.0.1.61.6..0.0...4.64.52.61.50.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.6.46.10.0.1.61.10.0...1.70.6
401-500 stems/ha..0.0.0.0.0.0...0.0...0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.3.43.40.0.0.0...0.40.3
501- 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.
more than 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.80.80.0...0.20.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimeter0-100 stems/ha..34.914.420.911.147.92.635.410.944.15.9..55.79.361.42.341.06.648.18.557.812.366.212.755.88.343.34.00.0.51.613.044.26.254.513.478.71.973.88.655.65.467.62.662.013.445.217.559.61.0
101-200 stems/ha..42.014.935.812.236.72.654.011.539.15.8..26.88.829.32.245.96.645.98.434.111.633.812.738.78.139.44.0100.0.36.512.439.46.445.513.416.61.822.58.233.95.225.32.521.511.041.117.730.11.0
201-300 stems/ha..23.112.320.811.113.61.910.57.212.73.9..17.56.67.81.37.43.66.04.18.17.60.0.5.53.812.52.80.0.5.15.116.54.70.0.4.41.00.0.8.23.06.41.47.27.113.712.78.60.6
301-400 stems/ha..0.0.16.89.01.80.70.0.4.12.3..0.0.1.20.53.82.70.0.0.0.0.0.0.0.3.41.50.0.6.86.50.0.0.0.0.0.3.73.62.21.50.70.59.48.80.0.1.40.3
401-500 stems/ha..0.0.5.65.60.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.10.1
501- 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
more than 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.20.21.91.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha63.32.830.18.926.66.653.01.552.44.253.43.268.415.952.55.063.61.450.43.450.23.151.13.873.67.157.94.847.02.856.55.356.03.650.53.755.53.779.31.668.64.454.72.068.41.757.59.154.72.659.30.6
101-200 stems/ha30.82.837.19.424.36.232.81.535.84.431.13.221.114.031.35.227.91.437.53.530.43.242.04.020.26.432.24.735.82.835.55.533.43.636.34.034.04.116.91.522.84.136.12.024.01.726.28.235.52.830.00.6
201-300 stems/ha4.21.330.08.634.07.511.01.19.03.012.42.110.510.512.73.67.00.89.12.116.12.56.22.16.24.28.63.013.12.08.03.49.42.211.62.69.52.83.70.86.02.66.41.06.60.912.46.18.91.98.60.4
301-400 stems/ha1.30.72.82.813.25.22.40.52.81.62.71.10.0.2.41.61.20.42.41.22.51.10.0.0.0.1.31.32.71.00.0.1.30.91.51.10.0.0.0.2.71.92.00.60.80.43.93.90.90.61.60.2
401-500 stems/ha0.0.0.0.1.91.90.30.20.0.0.50.50.0.0.0.0.10.10.0.0.50.50.70.70.0.0.0.1.00.60.0.0.0.0.0.1.11.10.20.20.0.0.80.40.0.0.0.0.0.0.30.1
501- 600 stems/ha0.40.40.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.0.0.0.1.21.20.10.10.60.60.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863702/330033
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha66.92.835.614.135.09.158.32.354.75.358.33.750.018.744.39.857.42.849.34.355.13.547.74.158.113.056.16.956.94.852.85.757.03.847.95.955.63.875.14.866.09.456.82.477.43.756.713.458.42.758.00.8
101-200 stems/ha28.82.827.013.231.19.529.72.236.75.423.63.637.518.226.88.731.42.735.24.430.03.542.74.327.312.225.26.524.24.338.96.035.73.834.85.832.74.322.64.721.98.633.22.418.83.435.313.230.82.830.70.8
201-300 stems/ha3.51.222.011.623.38.78.41.45.92.816.73.012.512.428.99.18.71.712.93.112.32.48.82.614.69.413.75.215.43.58.33.56.41.815.64.49.23.02.41.712.16.57.51.43.11.50.0.10.32.09.20.5
301-400 stems/ha0.90.615.510.65.73.93.00.82.82.00.70.70.0.0.0.2.50.92.61.52.01.10.0.0.0.2.42.42.71.50.0.0.0.0.0.2.51.80.0.0.0.1.20.60.80.80.0.0.50.51.60.2
401-500 stems/ha0.0.0.0.4.94.90.50.30.0.0.70.70.0.0.0.0.0.0.0.0.0.0.90.90.0.2.72.70.90.90.0.0.90.91.71.70.0.0.0.0.0.1.30.60.0.8.07.90.0.0.50.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha..0.0.0.0.56.56.2..49.020.5..49.111.146.44.860.022.40.0.35.220.869.518.559.317.246.211.3..100.0.26.516.3..60.67.626.49.836.19.642.24.5100.0...46.62.3
101-200 stems/ha..0.0.0.0.29.25.7..32.719.2..29.510.343.14.840.022.469.126.364.820.830.518.540.717.249.711.4..0.0.12.211.6..28.97.055.511.356.010.039.64.50.0...39.02.3
201-300 stems/ha..100.0.100.0.11.44.0..18.316.3..10.77.28.52.70.0.0.0.0.0.0.0.0.0.4.14.0..0.0.61.318.0..10.55.011.37.54.44.314.93.20.0...11.61.5
301-400 stems/ha..0.0.0.0.2.92.0..0.0...10.77.21.91.30.0.30.926.30.0.0.0.0.0.0.0...0.0.0.0...0.0.6.86.50.0.2.51.40.0...2.40.7
401-500 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.3.63.50.0.0.0...0.20.2
501- 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.
more than 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.80.80.0...0.20.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimeter0-100 stems/ha..28.113.526.711.447.82.742.511.646.26.1..57.79.456.02.541.26.543.18.361.012.545.714.546.08.041.24.10.0.55.313.345.06.443.013.272.12.362.19.957.15.564.12.759.013.972.616.356.01.1
101-200 stems/ha..35.114.330.111.636.02.646.311.934.95.9..23.38.433.32.551.56.756.98.339.012.554.314.544.98.238.34.3100.0.39.113.143.06.757.013.222.82.129.69.428.35.127.52.630.812.327.416.332.81.0
201-300 stems/ha..36.713.111.27.613.71.911.27.613.04.1..15.37.19.31.55.53.10.0.0.0.0.0.9.25.119.83.60.0.5.55.412.04.30.0.4.41.14.14.013.43.87.01.510.29.40.0.9.50.7
301-400 stems/ha..0.0.26.411.82.20.80.0.5.82.8..3.63.61.10.61.91.80.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.0.80.44.24.21.21.21.50.70.0.0.0.1.60.3
401-500 stems/ha..0.0.5.65.60.30.30.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
501- 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha66.92.828.48.831.66.853.91.552.34.654.22.950.018.750.55.455.21.647.03.352.23.048.63.755.58.152.34.548.12.851.25.557.13.645.53.854.03.571.62.053.95.555.72.162.31.959.19.358.92.756.30.6
101-200 stems/ha28.82.827.58.830.27.332.21.638.64.827.53.037.518.226.35.234.01.740.63.635.23.143.13.937.47.934.64.833.52.940.85.835.83.637.04.235.74.023.31.933.75.533.72.128.11.932.29.030.72.832.20.6
201-300 stems/ha3.51.237.18.720.76.510.71.16.92.715.52.312.512.418.94.69.01.010.22.210.02.07.52.37.14.810.63.316.62.38.03.46.31.716.53.18.12.74.50.99.03.58.41.27.91.14.34.310.01.99.50.4
301-400 stems/ha0.90.67.05.012.55.02.70.62.21.62.31.00.0.4.32.51.80.52.31.12.11.00.0.0.0.1.21.21.50.70.0.0.0.0.0.2.21.50.60.33.32.41.10.51.50.50.0.0.50.51.60.2
401-500 stems/ha0.0.0.0.5.03.70.40.20.0.0.40.40.0.0.0.0.0.0.0.0.0.0.80.70.0.1.41.40.40.40.0.0.80.80.90.90.0.0.0.0.0.1.20.50.0.4.34.30.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.10.10.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863703/330034
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
n/a0-100 stems/ha55.31.156.52.452.23.077.33.761.32.973.04.457.20.8
101-200 stems/ha34.31.127.32.229.82.917.23.329.92.826.04.431.60.8
201-300 stems/ha8.90.710.91.514.02.14.71.97.71.71.01.09.10.5
301-400 stems/ha1.10.23.91.03.31.10.80.81.10.70.0.1.60.2
401-500 stems/ha0.30.11.00.50.40.40.0.0.0.0.0.0.30.1
501- 600 stems/ha0.10.10.50.40.0.0.0.0.0.0.0.0.10.1
more than 600 stems/ha0.10.10.0.0.40.40.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha43.310.351.95.039.35.847.44.550.95.354.26.348.52.3
101-200 stems/ha56.710.331.94.740.35.837.74.437.15.237.16.137.62.3
201-300 stems/ha0.0.14.13.517.64.412.42.910.93.45.02.811.71.5
301-400 stems/ha0.0.1.11.12.81.91.71.21.21.23.72.61.80.6
401-500 stems/ha0.0.1.11.10.0.0.0.0.0.0.0.0.20.2
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.80.80.0.0.0.0.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha48.63.148.72.445.53.066.12.756.92.873.42.057.61.1
101-200 stems/ha41.73.036.32.335.52.926.52.632.12.820.61.931.31.0
201-300 stems/ha7.81.712.91.614.22.16.61.59.91.85.41.19.30.7
301-400 stems/ha1.50.82.20.73.71.20.70.50.80.50.40.31.50.3
401-500 stems/ha0.0.0.0.0.70.50.0.0.0.0.20.20.10.1
501- 600 stems/ha0.0.0.0.0.40.40.0.0.0.0.0.0.00.0
more than 600 stems/ha0.40.40.0.0.0.0.0.0.40.40.0.0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha54.31.052.41.547.61.964.61.957.91.871.51.756.60.6
101-200 stems/ha35.51.031.91.533.61.926.81.931.91.823.01.732.00.6
201-300 stems/ha8.70.612.11.114.51.47.51.19.11.14.70.89.40.4
301-400 stems/ha1.10.22.80.53.50.71.00.41.00.40.70.31.60.2
401-500 stems/ha0.20.10.60.20.50.30.0.0.0.0.20.20.30.1
501- 600 stems/ha0.00.00.20.20.20.20.0.0.0.0.0.0.10.0
more than 600 stems/ha0.10.10.0.0.20.20.20.20.20.20.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863704/330035
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha63.62.730.012.435.68.356.72.157.04.758.83.771.414.654.57.670.02.252.74.153.13.353.03.977.79.961.56.251.14.360.55.056.03.658.85.257.34.186.02.980.35.855.32.281.72.656.911.955.62.660.80.7
101-200 stems/ha30.02.748.313.219.16.530.22.031.04.725.63.619.112.727.87.224.32.136.74.227.83.238.54.011.67.924.55.831.64.131.95.133.93.632.25.030.04.313.32.810.14.736.02.213.52.327.710.634.02.728.90.7
201-300 stems/ha4.91.316.89.235.48.89.21.38.83.213.02.69.59.513.25.55.01.19.02.515.62.57.82.210.77.19.84.213.82.97.63.29.42.25.62.411.63.00.70.79.64.55.81.13.71.315.48.59.51.88.30.4
301-400 stems/ha1.10.64.94.89.95.62.80.83.11.82.01.10.0.2.32.30.70.41.61.12.61.10.0.0.0.4.22.82.11.20.0.0.60.63.52.00.0.0.0.0.0.2.20.71.00.70.0.0.80.61.60.2
401-500 stems/ha0.0.0.0.0.0.0.60.30.0.0.60.60.0.0.0.0.0.0.0.0.50.50.70.70.0.0.0.1.41.00.0.0.0.0.0.1.01.00.0.0.0.0.70.40.0.0.0.0.0.0.30.1
501- 600 stems/ha0.40.40.0.0.0.0.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.0.0.0.0.0.0.20.20.0.0.0.0.0.2.32.30.0.0.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha..27.123.461.333.556.45.5..42.618.8..49.110.450.64.3100.0.0.0.15.414.376.715.151.517.250.410.9..100.0.27.216.1..64.96.246.910.248.79.350.84.20.0...52.32.1
101-200 stems/ha..0.0.0.0.27.14.9..57.418.8..41.410.235.84.10.0.67.127.284.614.323.315.140.017.037.610.6..0.0.34.116.1..29.36.038.99.940.89.136.34.1100.0...34.92.0
201-300 stems/ha..72.923.438.733.512.63.7..0.0...5.55.310.52.60.0.32.927.20.0.0.0.8.58.311.96.5..0.0.38.717.0..5.83.39.36.27.55.110.72.50.0...10.51.3
301-400 stems/ha..0.0.0.0.3.92.2..0.0...4.14.02.31.30.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.4.94.80.0.1.41.00.0...1.80.6
401-500 stems/ha..0.0.0.0.0.0...0.0...0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.3.03.00.0.0.0...0.30.2
501- 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.
more than 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.70.70.0...0.20.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimeter0-100 stems/ha..41.712.720.510.849.02.441.510.747.35.5..57.38.860.92.242.76.547.38.151.911.671.110.756.07.843.13.734.527.545.412.247.45.849.312.179.41.875.68.152.85.166.22.562.313.245.817.559.71.0
101-200 stems/ha..36.312.536.312.236.32.449.011.038.35.3..27.48.429.12.143.16.547.48.041.711.528.910.737.37.640.63.865.527.543.912.133.25.743.512.415.71.620.87.737.95.026.12.422.011.240.717.729.90.9
201-300 stems/ha..22.010.120.410.813.21.79.66.610.93.4..15.25.98.21.38.73.75.33.76.46.20.0.6.73.912.12.60.0.4.74.619.44.57.27.04.71.00.0.7.32.76.41.47.37.313.612.68.70.6
301-400 stems/ha..0.0.17.19.21.50.60.0.3.52.0..0.0.1.60.63.72.60.0.0.0.0.0.0.0.3.01.40.0.6.15.90.0.0.0.0.0.3.63.62.01.41.30.68.37.80.0.1.40.2
401-500 stems/ha..0.0.5.75.60.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.10.1
501- 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
more than 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.20.21.81.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha63.62.734.88.332.36.353.61.453.94.054.42.971.414.654.14.663.31.450.93.351.52.951.43.575.26.358.54.546.92.659.44.855.23.452.43.656.33.679.61.570.64.154.51.968.01.657.48.755.32.559.70.5
101-200 stems/ha30.02.737.48.523.35.632.41.434.64.230.82.919.112.731.04.828.01.437.73.331.42.940.63.719.95.930.84.336.62.733.44.934.73.432.73.631.73.916.41.420.53.836.61.924.21.627.68.034.22.729.80.5
201-300 stems/ha4.91.325.67.231.26.811.11.09.02.811.92.09.59.512.03.37.20.88.72.014.22.27.42.04.93.38.52.812.81.87.33.18.92.013.02.511.12.83.90.76.52.56.21.06.40.911.75.79.71.88.60.3
301-400 stems/ha1.10.62.22.211.64.62.40.52.51.42.41.00.0.2.01.41.30.42.21.12.10.90.0.0.0.2.21.52.50.90.0.1.10.81.81.00.0.0.0.2.41.72.00.61.20.43.33.30.80.61.60.2
401-500 stems/ha0.0.0.0.1.71.70.30.20.0.0.40.40.0.0.0.0.10.10.0.0.40.40.60.60.0.0.0.0.90.50.0.0.0.0.0.0.90.90.10.10.0.0.70.40.0.0.0.0.0.0.20.1
501- 600 stems/ha0.40.40.0.0.0.0.20.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.0.0.0.1.01.00.10.10.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863705/330036
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
n/a0-100 stems/ha57.81.054.62.450.33.077.43.758.72.967.04.757.90.8
101-200 stems/ha32.61.028.32.229.32.918.83.429.72.829.04.530.70.8
201-300 stems/ha8.40.611.91.616.62.33.11.58.91.84.01.99.20.5
301-400 stems/ha0.90.24.01.02.20.90.80.82.81.00.0.1.60.2
401-500 stems/ha0.30.11.20.51.60.80.0.0.0.0.0.0.50.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha39.210.254.05.040.85.842.24.548.75.352.36.347.02.3
101-200 stems/ha56.510.433.84.737.35.739.64.543.05.334.26.138.82.3
201-300 stems/ha4.34.28.22.817.74.514.93.28.33.09.83.811.41.5
301-400 stems/ha0.0.3.01.74.22.42.51.40.0.3.72.62.40.7
401-500 stems/ha0.0.1.11.10.0.0.0.0.0.0.0.0.20.2
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.80.80.0.0.0.0.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha46.33.049.02.346.02.964.12.754.32.970.22.156.01.1
101-200 stems/ha45.23.135.62.334.62.927.52.635.02.823.51.932.71.0
201-300 stems/ha7.41.612.81.616.52.27.01.59.21.75.51.19.50.7
301-400 stems/ha1.10.72.40.82.50.91.50.71.10.70.80.41.60.3
401-500 stems/ha0.0.0.20.20.40.40.0.0.0.0.0.0.10.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.0.40.40.0.0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha56.10.952.01.447.21.862.31.955.41.868.01.856.30.6
101-200 stems/ha34.41.032.21.532.61.928.11.933.91.825.41.732.10.6
201-300 stems/ha8.20.611.91.016.71.57.91.18.91.15.60.99.50.4
301-400 stems/ha0.90.23.20.62.60.61.50.51.70.51.00.41.60.2
401-500 stems/ha0.20.10.70.30.80.40.0.0.0.0.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.0.0.0.0.20.20.20.20.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863706/330037
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha67.02.832.713.435.09.159.02.252.55.359.23.657.916.854.58.665.82.450.64.255.53.448.54.065.411.157.66.556.64.652.85.757.23.752.85.556.83.781.83.473.27.457.52.282.72.854.612.458.92.760.60.8
101-200 stems/ha28.82.832.913.431.19.528.22.138.05.422.73.531.615.921.97.325.52.334.34.329.23.442.14.222.610.325.26.224.54.138.96.035.63.832.05.431.84.216.73.318.36.732.92.314.52.631.212.030.42.828.70.8
201-300 stems/ha3.41.220.210.723.38.78.71.35.62.716.02.910.510.523.67.66.81.312.53.012.02.48.52.612.17.812.64.815.73.48.33.56.31.813.73.98.93.01.51.18.54.76.81.22.21.17.17.010.22.08.50.5
301-400 stems/ha0.80.614.29.85.73.93.20.83.82.21.41.00.0.0.0.1.90.72.61.52.61.30.0.0.0.2.22.22.41.40.0.0.0.0.0.2.51.70.0.0.0.1.30.60.60.60.0.0.50.51.60.2
401-500 stems/ha0.0.0.0.4.94.90.70.40.0.0.60.60.0.0.0.0.0.0.0.0.0.0.90.80.0.2.52.50.80.80.0.0.80.81.51.50.0.0.0.0.0.1.40.60.0.7.17.00.0.0.50.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha..0.0.0.0.57.96.0..49.020.5..46.910.850.34.660.022.40.0.35.220.869.518.559.317.246.211.3..100.0.22.914.5..66.96.730.410.038.69.643.44.4100.0...48.92.2
101-200 stems/ha..0.0.0.0.28.35.5..32.719.2..32.710.340.24.540.022.469.126.364.820.830.518.540.717.249.711.4..0.0.24.115.0..24.26.152.511.053.89.839.04.40.0...37.52.2
201-300 stems/ha..100.0.100.0.11.03.9..18.316.3..10.26.97.82.50.0.0.0.0.0.0.0.0.0.4.14.0..0.0.53.017.5..8.84.210.77.14.24.114.43.10.0...10.91.4
301-400 stems/ha..0.0.0.0.2.82.0..0.0...10.26.91.81.20.0.30.926.30.0.0.0.0.0.0.0...0.0.0.0...0.0.6.46.10.0.2.41.40.0...2.30.7
401-500 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.3.43.40.0.0.0...0.20.2
501- 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.
more than 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.80.80.0...0.20.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimeter0-100 stems/ha..28.113.526.711.448.22.646.011.545.66.0..59.19.159.32.341.26.544.78.261.012.550.913.546.97.942.73.90.0.55.313.349.86.143.013.275.02.067.18.958.25.465.42.659.013.972.616.358.31.0
101-200 stems/ha..35.114.330.111.636.02.643.511.534.95.7..22.58.231.02.351.56.755.38.239.012.549.113.544.18.136.04.0100.0.39.113.139.26.257.013.220.51.925.78.327.55.026.52.530.812.327.416.331.11.0
201-300 stems/ha..36.713.111.27.613.31.910.57.214.04.1..14.86.88.21.35.53.10.0.0.0.0.0.9.05.020.73.50.0.5.55.411.03.90.0.3.80.93.53.513.13.76.81.510.29.40.0.9.00.6
301-400 stems/ha..0.0.26.411.82.20.80.0.5.62.7..3.53.51.20.51.91.80.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.0.70.43.73.61.11.11.40.70.0.0.0.1.50.3
401-500 stems/ha..0.0.5.65.60.30.30.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
501- 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha67.02.827.38.531.66.854.71.551.24.754.62.857.916.854.14.960.71.447.93.352.82.949.33.761.07.053.54.348.82.751.25.557.33.549.93.655.23.375.81.761.24.756.61.966.01.757.88.959.42.758.80.6
101-200 stems/ha28.82.830.38.930.27.331.31.539.14.826.93.031.615.925.04.730.01.539.93.534.43.142.63.932.86.934.04.632.32.840.85.835.73.634.53.934.83.920.01.628.74.733.22.025.51.730.18.530.32.830.30.6
201-300 stems/ha3.41.235.68.420.76.510.71.06.62.615.42.310.510.517.14.17.60.910.02.29.71.97.32.26.24.210.13.217.22.28.03.46.21.714.82.87.92.63.70.87.32.87.71.17.01.08.15.49.81.98.90.4
301-400 stems/ha0.80.66.84.912.55.02.80.63.01.82.71.10.0.3.92.21.60.42.31.12.61.20.0.0.0.1.11.11.30.70.0.0.0.0.0.2.21.50.50.32.71.91.20.51.30.50.0.0.50.51.60.2
401-500 stems/ha0.0.0.0.5.03.70.50.20.0.0.40.40.0.0.0.0.0.0.0.0.0.0.70.70.0.1.31.30.30.30.0.0.80.80.80.80.0.0.0.0.0.1.30.50.0.4.14.00.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.10.10.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863707/330038
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha67.02.832.713.435.88.860.42.151.45.359.83.657.916.859.47.768.12.250.24.255.53.448.64.166.910.760.06.358.04.353.65.757.93.753.45.456.23.683.53.074.67.157.62.284.82.451.011.959.12.761.70.8
101-200 stems/ha28.82.832.913.432.19.327.02.038.35.422.43.531.615.918.36.224.02.134.84.328.93.442.24.221.69.923.75.923.93.838.35.935.13.731.65.332.64.215.23.017.36.432.52.212.92.329.111.530.52.827.80.7
201-300 stems/ha3.41.220.210.722.08.28.51.36.62.915.82.810.510.522.36.86.11.212.53.012.52.48.32.511.57.511.94.614.23.18.13.56.21.813.63.98.82.91.30.98.14.47.21.31.90.913.38.89.91.98.30.5
301-400 stems/ha0.80.614.29.85.43.73.10.83.72.11.41.00.0.0.0.1.80.72.51.42.61.30.0.0.0.2.12.02.21.20.0.0.0.0.0.2.41.70.0.0.0.1.30.60.50.50.0.0.50.51.50.2
401-500 stems/ha0.0.0.0.4.64.60.90.40.0.0.60.60.0.0.0.0.0.0.0.0.0.0.80.80.0.2.32.30.70.70.0.0.80.81.41.40.0.0.0.0.0.1.40.60.0.6.66.60.0.0.50.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.1.01.00.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha..0.0.0.0.57.96.0..49.020.5..44.410.551.24.560.022.40.0.35.220.869.518.566.415.346.211.3..100.0.20.713.2..66.96.730.410.038.69.643.94.4100.0...49.22.2
101-200 stems/ha..0.0.0.0.28.35.5..32.719.2..36.310.439.54.540.022.469.126.364.820.830.518.533.615.349.711.4..0.0.31.415.3..24.26.152.511.053.89.838.74.40.0...37.42.2
201-300 stems/ha..100.0.100.0.11.03.9..18.316.3..9.76.67.62.40.0.0.0.0.0.0.0.0.0.4.14.0..0.0.47.916.6..8.84.210.77.14.24.114.33.10.0...10.81.4
301-400 stems/ha..0.0.0.0.2.82.0..0.0...9.76.61.71.20.0.30.926.30.0.0.0.0.0.0.0...0.0.0.0...0.0.6.46.10.0.2.41.40.0...2.20.7
401-500 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.3.43.40.0.0.0...0.20.2
501- 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.
more than 600 stems/ha..0.0.0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.80.80.0...0.20.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimeter0-100 stems/ha..28.113.526.711.448.42.646.011.545.66.0..59.19.159.12.340.46.544.78.261.012.550.913.546.87.744.53.90.0.55.313.348.96.043.013.275.42.069.18.458.75.466.12.659.013.972.616.358.61.0
101-200 stems/ha..35.114.330.111.635.92.643.511.534.95.7..22.58.230.42.252.36.655.38.239.012.549.113.541.67.834.83.9100.0.39.113.140.46.257.013.220.01.924.27.927.24.925.92.430.812.327.416.330.71.0
201-300 stems/ha..36.713.111.27.613.21.810.57.214.04.1..14.86.88.91.45.43.00.0.0.0.0.0.11.65.420.03.40.0.5.55.410.83.80.0.3.90.93.33.312.93.66.71.410.29.40.0.9.10.6
301-400 stems/ha..0.0.26.411.82.20.80.0.5.62.7..3.53.51.40.61.81.80.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.0.70.43.53.41.11.11.30.70.0.0.0.1.50.3
401-500 stems/ha..0.0.5.65.60.30.30.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
501- 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha..0.0.0.0.0.0.0.0.0.0...0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha67.02.827.38.532.36.655.61.550.34.655.02.857.916.855.54.661.91.447.33.252.82.949.43.761.96.955.54.250.52.651.95.557.93.549.63.554.63.376.71.662.94.556.81.967.91.655.58.659.52.659.60.5
101-200 stems/ha28.82.830.38.930.97.230.51.539.34.826.62.931.615.924.34.528.81.440.53.534.03.142.73.932.06.831.64.431.22.740.25.735.23.535.23.935.53.919.21.527.54.532.82.024.11.628.98.330.42.729.60.6
201-300 stems/ha3.41.235.68.419.96.210.51.07.42.715.32.210.510.516.73.97.50.89.92.210.12.07.22.26.14.110.63.116.22.17.93.46.11.714.52.87.82.63.70.87.02.78.01.16.60.911.76.19.61.98.80.3
301-400 stems/ha0.80.66.84.912.04.82.70.63.01.72.71.10.0.3.62.01.60.42.21.12.61.10.0.0.0.1.11.11.30.60.0.0.0.0.0.2.11.50.50.32.61.81.20.51.20.40.0.0.40.41.60.2
401-500 stems/ha0.0.0.0.4.93.60.60.30.0.0.40.40.0.0.0.0.0.0.0.0.0.0.70.70.0.1.21.20.30.30.0.0.80.80.80.80.0.0.0.0.0.1.30.50.0.3.93.90.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.10.10.0.0.50.50.0.0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #863708/330039
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
n/a0-100 stems/ha58.01.057.12.254.12.882.72.865.92.577.43.360.60.8
101-200 stems/ha32.41.026.32.027.22.614.52.624.92.420.13.128.70.8
201-300 stems/ha8.20.611.11.415.52.12.21.17.11.42.51.28.50.5
301-400 stems/ha1.00.24.20.91.90.80.60.62.20.80.0.1.60.2
401-500 stems/ha0.30.11.30.51.40.70.0.0.0.0.0.0.50.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha39.210.255.44.940.55.743.44.453.15.057.85.949.22.2
101-200 stems/ha56.510.432.74.638.45.639.04.439.65.030.25.537.32.2
201-300 stems/ha4.34.28.02.717.04.314.43.17.42.78.73.410.71.4
301-400 stems/ha0.0.2.91.64.02.32.41.40.0.3.32.32.30.7
401-500 stems/ha0.0.1.01.00.0.0.0.0.0.0.0.0.20.2
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.80.80.0.0.0.0.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha46.33.049.92.348.52.865.42.657.32.773.31.858.31.0
101-200 stems/ha45.33.035.02.332.42.726.52.532.92.621.21.731.01.0
201-300 stems/ha7.31.612.51.616.42.16.81.58.21.64.80.99.00.6
301-400 stems/ha1.10.72.30.72.30.91.40.71.30.70.70.41.50.3
401-500 stems/ha0.0.0.20.20.30.30.0.0.0.0.0.0.10.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.0.30.30.0.0.00.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha56.30.953.81.450.11.766.01.760.51.672.81.558.80.6
101-200 stems/ha34.20.930.81.430.81.825.51.730.21.621.81.430.30.6
201-300 stems/ha8.00.611.41.016.01.47.01.07.61.04.60.88.90.4
301-400 stems/ha1.00.23.20.62.30.61.30.51.60.50.80.31.60.2
401-500 stems/ha0.30.10.80.30.80.30.0.0.0.0.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.0.0.0.0.20.20.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863709/330040
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
n/a0-100 stems/ha55.71.058.42.254.92.883.22.868.82.481.23.160.00.8
101-200 stems/ha33.81.026.32.028.72.612.92.524.22.318.23.029.40.8
201-300 stems/ha8.90.69.81.412.81.93.41.36.11.30.60.68.40.5
301-400 stems/ha1.20.34.00.92.90.90.60.60.90.50.0.1.60.2
401-500 stems/ha0.30.10.90.40.30.30.0.0.0.0.0.0.30.1
501- 600 stems/ha0.10.10.50.30.0.0.0.0.0.0.0.0.10.1
more than 600 stems/ha0.10.10.20.20.30.30.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha43.310.353.34.940.45.748.44.454.15.059.45.950.72.2
101-200 stems/ha56.710.330.94.540.05.737.24.434.24.832.85.636.12.2
201-300 stems/ha0.0.13.63.416.94.312.02.810.63.24.52.511.21.4
301-400 stems/ha0.0.1.01.02.71.91.61.11.01.03.32.31.70.6
401-500 stems/ha0.0.1.01.00.0.0.0.0.0.0.0.0.20.2
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.80.80.0.0.0.0.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha48.63.049.82.347.62.867.62.659.92.676.21.859.91.0
101-200 stems/ha41.83.035.52.334.42.825.32.530.02.618.51.729.71.0
201-300 stems/ha7.71.612.61.613.52.06.41.48.81.64.70.98.80.6
301-400 stems/ha1.50.82.10.73.51.10.70.51.00.60.40.31.40.3
401-500 stems/ha0.0.0.0.0.70.50.0.0.0.0.20.20.10.1
501- 600 stems/ha0.0.0.0.0.30.30.0.0.0.0.0.0.00.0
more than 600 stems/ha0.40.40.0.0.0.0.0.0.30.30.0.0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha54.70.954.11.450.11.868.31.763.11.575.81.559.20.6
101-200 stems/ha35.01.030.81.432.51.824.01.727.91.619.71.430.10.6
201-300 stems/ha8.70.611.41.013.61.36.71.07.81.03.80.78.80.4
301-400 stems/ha1.20.22.90.53.10.70.80.41.00.40.50.31.60.2
401-500 stems/ha0.30.10.50.20.40.20.0.0.0.0.10.10.30.1
501- 600 stems/ha0.00.00.20.10.10.10.0.0.0.0.0.0.10.0
more than 600 stems/ha0.10.10.10.10.10.10.20.20.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863710/330041
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
n/a0-100 stems/ha55.71.059.12.255.42.883.12.769.32.482.12.960.30.8
101-200 stems/ha33.71.025.92.028.32.613.12.523.62.317.32.929.20.8
201-300 stems/ha8.90.69.61.312.51.93.31.36.31.30.60.68.30.5
301-400 stems/ha1.20.33.90.93.21.00.60.60.90.50.0.1.70.2
401-500 stems/ha0.40.10.90.40.30.30.0.0.0.0.0.0.40.1
501- 600 stems/ha0.10.10.40.30.0.0.0.0.0.0.0.0.10.1
more than 600 stems/ha0.10.10.20.20.30.30.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha43.310.353.84.940.45.748.44.454.05.060.65.851.02.2
101-200 stems/ha56.710.330.64.540.05.737.24.433.54.831.95.535.72.2
201-300 stems/ha0.0.13.53.416.94.312.02.810.43.14.32.511.01.4
301-400 stems/ha0.0.1.01.02.71.91.61.11.01.03.22.21.70.6
401-500 stems/ha0.0.1.01.00.0.0.0.1.01.00.0.0.40.3
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.80.80.0.0.0.0.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha48.03.049.22.347.52.867.62.659.82.676.31.859.61.0
101-200 stems/ha42.13.036.42.235.02.825.32.530.22.518.51.630.01.0
201-300 stems/ha7.61.612.41.613.21.96.41.48.71.64.70.98.60.6
301-400 stems/ha1.90.82.00.73.41.10.70.51.00.60.40.21.40.3
401-500 stems/ha0.0.0.0.0.60.40.0.0.0.0.20.20.10.1
501- 600 stems/ha0.0.0.0.0.30.30.0.0.0.0.0.0.00.0
more than 600 stems/ha0.40.40.0.0.0.0.0.0.30.30.0.0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha54.60.954.21.450.31.768.41.763.31.576.11.459.30.6
101-200 stems/ha35.01.030.91.432.51.824.01.727.71.519.51.430.00.6
201-300 stems/ha8.60.611.21.013.31.36.60.97.81.03.70.78.70.4
301-400 stems/ha1.30.22.80.53.20.70.80.41.00.40.50.31.60.2
401-500 stems/ha0.30.10.50.20.40.20.0.0.10.10.10.10.30.1
501- 600 stems/ha0.00.00.20.10.10.10.0.0.0.0.0.0.10.0
more than 600 stems/ha0.10.10.10.10.10.10.20.20.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863711/330042
NFI3
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
n/a0-100 stems/ha56.31.059.02.155.82.681.72.669.32.383.12.760.70.7
101-200 stems/ha33.01.026.41.928.52.413.52.324.22.216.32.728.90.7
201-300 stems/ha9.10.69.31.312.11.73.71.35.71.20.50.58.30.4
301-400 stems/ha1.20.23.90.93.00.91.00.70.80.50.0.1.60.2
401-500 stems/ha0.30.10.80.40.30.30.0.0.0.0.0.0.30.1
501- 600 stems/ha0.00.00.40.30.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.00.00.20.20.30.30.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha46.49.855.64.545.95.450.84.252.74.758.25.452.42.1
101-200 stems/ha53.69.829.44.136.75.336.34.133.44.533.95.234.82.0
201-300 stems/ha0.0.11.52.915.03.910.72.512.13.15.02.410.51.3
301-400 stems/ha0.0.2.61.52.41.71.41.00.90.92.92.01.90.6
401-500 stems/ha0.0.0.90.90.0.0.0.0.90.90.0.0.40.3
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.70.70.0.0.0.0.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha48.02.950.22.147.92.766.22.559.12.576.81.759.61.0
101-200 stems/ha42.52.936.02.134.62.626.12.430.12.417.81.529.90.9
201-300 stems/ha7.51.512.01.413.71.86.41.49.21.64.80.98.70.6
301-400 stems/ha1.70.81.80.63.00.91.30.61.20.60.50.31.50.2
401-500 stems/ha0.0.0.0.0.60.40.0.0.0.0.20.20.10.1
501- 600 stems/ha0.0.0.0.0.30.30.0.0.0.0.0.0.00.0
more than 600 stems/ha0.30.30.0.0.0.0.0.0.30.30.0.0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha55.20.954.71.351.31.668.01.662.81.576.41.459.60.5
101-200 stems/ha34.40.931.11.332.11.724.21.627.91.518.91.329.80.5
201-300 stems/ha8.80.610.80.913.11.26.40.98.00.93.90.68.70.3
301-400 stems/ha1.20.22.80.53.00.61.20.41.00.40.60.31.60.2
401-500 stems/ha0.30.10.50.20.40.20.0.0.10.10.10.10.30.1
501- 600 stems/ha0.00.00.20.10.10.10.0.0.0.0.0.0.10.0
more than 600 stems/ha0.10.10.10.10.10.10.20.20.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863712/330043
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
n/a0-100 stems/ha58.01.058.92.155.72.784.82.467.72.380.22.961.70.8
101-200 stems/ha32.31.024.91.926.02.512.92.323.82.217.72.827.80.7
201-300 stems/ha8.20.610.81.414.92.01.90.96.51.32.11.08.30.5
301-400 stems/ha1.00.23.90.91.80.70.50.52.00.80.0.1.50.2
401-500 stems/ha0.30.11.40.51.30.60.0.0.0.0.0.0.50.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.0.0.30.30.0.0.0.0.0.0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha39.210.255.84.840.25.643.94.454.05.057.85.949.62.2
101-200 stems/ha56.510.432.44.639.55.638.74.438.74.930.25.537.22.2
201-300 stems/ha4.34.27.92.716.44.214.33.17.22.68.73.410.61.4
301-400 stems/ha0.0.2.81.63.92.22.41.40.0.3.32.32.20.7
401-500 stems/ha0.0.1.01.00.0.0.0.0.0.0.0.0.20.2
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.80.80.0.0.0.0.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha45.93.050.22.349.42.766.12.656.72.673.81.858.61.0
101-200 stems/ha45.73.034.62.232.02.725.92.432.22.620.71.730.61.0
201-300 stems/ha7.31.612.61.616.02.16.71.49.11.64.80.99.10.6
301-400 stems/ha1.10.72.30.72.30.91.30.71.60.70.70.41.50.3
401-500 stems/ha0.0.0.20.20.30.30.0.0.0.0.0.0.10.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.0.30.30.0.0.00.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha56.30.954.91.351.31.767.91.661.41.574.01.459.60.5
101-200 stems/ha34.20.929.81.430.11.724.11.629.21.520.81.429.60.5
201-300 stems/ha8.10.611.30.915.51.36.60.97.70.94.50.78.80.3
301-400 stems/ha1.00.23.10.52.20.51.20.41.60.50.80.31.60.2
401-500 stems/ha0.30.10.90.30.70.30.0.0.0.0.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.0.0.10.10.20.20.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863713/330044
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