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NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical4.71.40.0.0.0.3.50.94.62.24.01.70.0.8.84.84.31.110.72.911.72.52.21.330.911.64.43.010.73.03.92.77.92.33.72.110.42.92.21.312.65.45.81.25.71.818.710.28.91.86.10.4
less stable37.93.20.0.35.09.838.92.343.95.746.44.50.0.43.78.827.72.424.84.140.23.820.43.752.312.720.95.922.53.929.66.125.03.630.95.234.64.835.94.239.38.128.02.332.43.518.98.237.73.232.80.8
stable57.43.2100.0.65.09.857.62.351.45.849.64.5100.0.47.68.867.92.464.54.548.13.977.43.816.99.174.86.166.74.566.66.367.13.965.45.455.05.061.94.248.18.266.22.462.03.762.411.953.33.361.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical......9.06.10.0.....15.810.30.0.0.0...0.0.0.0.59.134.212.311.7..0.0.0.0...3.33.26.86.50.0.3.13.0....4.81.6
less stable......51.710.541.134.2....58.814.537.48.233.019.3..0.0.100.0.40.934.216.815.2..26.722.966.727.7..35.27.660.612.770.025.746.78.3....43.53.6
stable......39.310.258.934.2....25.412.962.68.267.019.3..100.0.0.0.0.0.70.917.6..73.322.933.327.7..61.57.832.612.230.025.750.38.4....51.73.6
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.
outside perimetercritical0.0.0.0.5.45.35.01.110.36.96.32.8..7.74.35.21.01.91.913.05.50.0.32.911.811.84.96.62.00.0.18.211.77.63.30.0.2.50.72.82.85.52.25.51.20.0.10.19.75.30.5
less stable43.816.65.45.416.08.840.42.513.48.834.75.6..53.48.432.72.136.36.642.18.113.67.450.812.744.87.627.33.7100.0.41.214.539.96.164.613.334.72.335.68.839.14.731.02.40.0.37.517.434.71.0
stable56.216.694.65.478.69.554.62.576.310.659.05.8..38.98.362.22.261.86.744.98.286.47.416.39.143.47.566.23.80.0.40.614.552.56.335.413.362.92.361.59.055.44.863.52.5100.0.52.417.860.01.0
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.
totalcritical4.51.30.0.1.91.94.30.75.52.24.81.50.0.9.33.14.60.77.72.012.02.31.91.131.17.98.82.98.41.73.82.68.42.35.31.89.22.62.50.67.92.85.71.05.40.910.45.89.01.85.70.3
less stable38.13.12.82.828.47.339.91.738.45.142.33.50.0.50.35.630.81.528.63.540.63.419.33.352.68.832.34.725.02.631.76.226.23.435.63.938.14.635.01.941.85.530.62.132.41.910.54.937.73.233.90.6
stable57.43.297.22.869.77.455.81.756.05.252.93.6100.0.40.35.464.61.663.83.747.53.578.83.416.36.258.94.866.52.964.56.365.43.859.14.052.74.862.61.950.25.663.72.262.22.079.27.253.33.260.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860785/327116
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical4.81.40.0.0.0.3.40.94.82.33.21.60.0.11.16.13.61.111.13.011.62.51.61.129.612.54.83.312.23.33.92.77.52.32.82.08.02.80.0.10.75.86.01.36.52.213.19.29.01.95.90.4
less stable37.83.20.0.35.09.839.32.444.55.947.04.60.0.48.210.127.42.723.84.141.03.920.53.857.713.820.56.122.24.129.66.124.53.636.05.934.34.937.45.333.59.728.92.530.84.216.38.638.23.233.20.9
stable57.43.3100.0.65.09.857.32.450.66.049.74.6100.0.40.69.869.02.865.14.647.44.077.93.912.78.774.86.465.64.866.66.368.14.061.26.057.85.162.65.355.810.165.12.662.74.470.611.652.73.360.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical......9.46.30.0.....15.810.30.0.0.0...0.0.0.0.59.134.212.311.7..0.0.0.0...3.63.50.0.0.0.3.23.1....4.71.6
less stable......54.210.741.134.2....58.814.537.19.333.019.3..0.0.100.0.40.934.216.815.2..26.722.966.727.7..38.98.274.113.070.025.748.18.5....45.93.8
stable......36.410.358.934.2....25.412.962.99.367.019.3..100.0.0.0.0.0.70.917.6..73.322.933.327.7..57.58.325.913.030.025.748.78.5....49.33.8
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.
outside perimetercritical0.0.0.0.5.45.33.81.011.07.46.72.9..5.43.84.71.01.91.913.35.60.0.27.711.611.95.07.42.20.0.20.012.78.43.60.0.2.10.70.0.5.72.35.61.20.0.10.19.75.00.5
less stable43.816.65.45.416.08.840.62.614.49.333.95.7..53.68.633.02.336.36.643.28.214.47.854.713.145.57.727.63.9100.0.45.215.442.36.564.613.334.22.437.99.239.14.929.72.40.0.37.517.434.81.0
stable56.216.694.65.478.69.555.62.674.611.259.45.9..41.08.662.32.361.86.743.48.385.67.817.69.742.57.565.04.10.0.34.814.649.26.635.413.363.72.562.19.255.25.064.72.6100.0.52.417.860.21.0
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.
totalcritical4.61.40.0.1.91.93.70.75.82.34.41.40.0.9.23.34.10.77.82.111.92.31.30.927.98.09.23.19.51.93.82.68.12.35.31.97.02.41.90.64.02.25.91.15.71.07.15.19.11.85.50.3
less stable38.13.23.03.028.47.340.31.739.25.242.53.60.0.52.65.931.01.728.03.541.43.519.53.457.39.332.94.925.12.831.76.225.93.539.64.338.04.735.12.143.16.231.42.231.22.18.84.938.23.234.30.6
stable57.33.297.03.069.77.456.01.855.05.353.13.7100.0.38.35.764.91.864.13.746.73.679.13.514.86.257.95.065.43.164.56.366.03.955.14.455.04.963.02.252.96.362.72.363.12.184.16.852.73.260.20.7
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 #860786/327117
NFI4
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical2.10.90.0.0.0.4.71.00.0.5.72.20.0.9.85.58.31.54.52.05.71.90.0.6.46.30.0.4.72.11.91.90.50.56.52.85.02.36.82.214.46.02.70.810.62.40.0.4.61.44.60.4
less stable46.03.341.313.358.59.846.52.437.55.745.84.521.114.056.69.037.62.644.84.739.23.828.54.062.412.347.07.145.54.725.45.935.24.044.25.743.55.244.24.457.08.534.32.437.43.755.312.636.93.140.70.9
stable51.93.358.713.341.59.848.82.462.55.748.54.578.914.033.68.654.12.750.74.755.03.971.54.031.211.953.07.149.84.872.76.164.34.049.35.751.55.249.04.428.67.863.12.551.93.844.712.658.63.254.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical......0.0.0.0.....7.77.49.25.10.0...0.0.0.0.0.0.0.0...0.0.0.0...12.85.412.08.00.0.10.65.0....7.81.9
less stable......47.610.4100.0.....59.014.451.98.733.019.0..100.0.0.0.100.0.41.418.9..53.525.233.327.7..65.17.667.012.4100.0.47.48.4....55.53.6
stable......52.410.40.0.....33.313.938.98.567.019.0..0.0.100.0.0.0.58.618.9..46.525.266.727.7..22.16.521.010.90.0.42.08.3....36.73.5
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.
outside perimetercritical0.0.7.57.35.35.34.41.10.0.0.0...5.13.57.01.21.91.913.15.50.0.26.510.65.53.24.11.70.0.0.0.14.14.40.0.7.31.26.14.24.92.19.41.59.48.810.19.76.60.5
less stable43.816.644.112.821.39.844.92.632.511.156.15.8..56.68.443.72.343.16.950.88.127.39.748.312.661.27.458.54.10.0.58.914.953.16.349.813.958.72.348.69.149.84.947.82.639.413.162.517.449.61.0
stable56.216.648.413.273.410.650.72.667.511.143.95.8..38.38.249.32.355.16.936.17.772.79.725.29.833.37.237.44.0100.0.41.114.932.86.050.213.934.12.245.39.045.34.942.82.651.213.827.416.343.81.0
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.
totalcritical2.00.93.93.91.91.94.50.70.0.3.71.40.0.7.42.97.60.93.51.47.11.80.0.15.56.12.61.54.31.31.91.90.50.59.72.54.42.07.51.110.83.43.10.89.91.24.14.04.71.35.60.3
less stable45.93.242.89.745.57.845.81.738.05.049.43.621.114.056.95.741.51.743.83.841.43.529.03.854.68.754.55.152.53.124.65.837.33.847.94.244.34.856.02.055.75.638.02.244.62.148.59.537.73.144.80.6
stable52.13.253.39.852.77.949.71.762.05.046.93.678.914.035.75.550.81.752.63.851.43.571.03.829.97.942.95.043.23.173.65.962.23.942.44.151.34.936.41.933.55.458.92.245.52.147.59.557.63.249.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860787/327118
NFI3
forest area
rockfall SilvaProtect · stand stability
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical4.71.30.0.0.0.3.80.94.32.15.21.90.0.9.14.44.41.010.62.813.52.42.11.228.511.03.92.710.12.73.92.86.92.03.52.09.62.82.11.211.44.85.41.16.31.716.08.88.51.76.10.4
less stable38.53.00.0.32.08.738.92.242.85.543.44.20.0.45.67.927.82.225.33.938.83.520.63.554.912.220.55.524.73.831.76.126.33.430.24.933.44.635.64.042.37.829.12.232.73.318.27.835.93.032.80.8
stable56.83.1100.0.68.08.757.32.252.95.651.44.2100.0.45.37.867.82.364.24.347.63.677.23.616.68.975.65.865.24.264.46.266.83.766.35.157.04.862.44.046.37.865.52.361.03.465.810.755.63.161.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical......8.05.50.0.0.0...15.110.00.0.0.0...0.0.30.526.735.528.312.712.0..0.0.0.0...3.02.95.85.60.0.2.82.8....4.81.5
less stable......47.910.039.433.8100.0...59.114.539.17.832.719.2..0.0.69.526.724.522.716.114.7..26.322.566.727.6..39.07.260.511.854.424.844.58.1....43.73.4
stable......44.010.060.633.80.0...25.813.160.97.867.319.2..100.0.0.0.40.029.671.217.4..73.722.533.327.6..58.07.333.711.445.624.852.78.1....51.53.4
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.
outside perimetercritical0.0.0.0.5.04.94.71.09.56.45.62.4..6.73.85.61.01.81.814.65.50.0.31.710.511.24.76.41.90.0.15.410.18.13.20.0.2.20.72.52.55.82.15.01.10.0.10.39.95.10.4
less stable44.016.615.38.415.08.240.12.316.88.837.15.2..51.67.932.52.038.16.539.07.717.27.954.311.646.57.327.23.4100.0.34.912.938.35.669.611.635.12.137.48.338.54.531.92.30.0.37.417.335.10.9
stable56.016.684.78.480.09.055.22.473.710.357.35.3..41.67.961.92.160.16.646.47.982.87.914.07.842.37.166.43.60.0.49.613.653.75.830.411.662.72.260.18.455.74.663.02.4100.0.52.217.859.80.9
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical4.51.30.0.1.71.74.30.65.12.05.31.50.0.8.92.84.80.77.62.013.72.21.81.030.17.38.12.78.11.63.72.67.32.05.51.88.42.42.20.67.02.55.41.05.30.99.15.18.51.75.60.3
less stable38.73.08.54.926.36.639.71.638.04.941.43.20.0.50.05.230.81.529.33.338.93.120.03.255.58.132.34.525.92.534.76.126.93.334.53.637.94.435.51.843.95.231.32.032.91.810.34.836.03.034.10.6
stable56.83.091.54.972.06.756.01.656.85.053.33.3100.0.41.15.164.31.563.13.547.43.278.23.314.35.559.74.666.02.761.66.265.73.560.03.853.74.562.31.849.15.363.32.161.81.980.56.755.53.160.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860788/327119
NFI4
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical2.10.90.0.0.0.4.91.00.0.5.62.10.0.8.24.68.51.44.51.95.71.80.0.10.47.21.91.94.31.91.91.90.50.56.42.84.92.27.22.113.65.82.60.810.12.10.0.4.81.44.80.4
less stable46.03.341.313.358.09.545.62.337.85.645.14.521.114.058.28.238.62.544.44.740.03.828.94.059.712.044.36.847.24.524.95.935.34.043.65.744.25.144.34.159.38.234.32.438.03.451.612.436.33.140.80.8
stable51.93.358.713.342.09.549.52.362.25.649.24.578.914.033.57.952.92.551.14.754.33.971.14.029.811.453.86.948.54.673.26.064.14.050.05.750.85.248.54.127.17.563.12.551.93.648.412.458.83.154.40.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical......0.0.0.0.....7.77.48.54.70.0...0.0.0.0.0.0.14.113.0..0.0.0.0...12.55.216.88.80.0.10.34.9....8.52.0
less stable......47.610.4100.0.....59.014.453.28.333.019.0..100.0.0.0.100.0.35.617.0..53.525.226.723.0..65.97.463.412.2100.0.48.98.3....55.33.6
stable......52.410.40.0.....33.313.938.48.167.019.0..0.0.100.0.0.0.50.318.0..46.525.273.323.0..21.66.419.910.40.0.40.98.1....36.23.4
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.
outside perimetercritical0.0.7.57.35.35.34.41.00.0.0.0...5.03.47.01.11.81.813.15.50.0.26.510.67.33.64.01.60.0.0.0.13.84.40.0.7.31.25.94.14.82.110.11.69.48.810.19.76.70.5
less stable43.816.644.112.821.39.845.12.632.511.156.15.8..57.98.243.72.244.16.850.88.127.39.748.312.660.87.159.34.10.0.58.914.953.96.349.813.958.32.350.09.050.34.947.22.539.413.162.517.449.61.0
stable56.216.648.413.273.410.650.52.667.511.143.95.8..37.18.149.32.254.06.836.17.772.79.725.29.831.96.736.64.0100.0.41.114.932.35.950.213.934.42.244.18.844.84.942.72.551.213.827.416.343.71.0
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.
totalcritical2.00.93.93.91.81.84.60.70.0.3.71.40.0.6.82.77.70.93.51.47.11.80.0.17.56.34.42.04.41.21.81.80.50.59.52.44.42.07.61.011.33.43.10.810.11.23.93.95.01.45.70.3
less stable45.93.242.89.745.67.645.51.738.25.048.93.621.114.058.25.441.91.643.93.842.03.529.33.753.38.653.04.953.33.024.25.737.43.847.74.244.94.855.52.056.65.538.12.244.32.046.69.437.23.144.80.6
stable52.13.253.39.852.67.750.01.761.85.047.43.678.914.035.05.350.41.652.63.850.93.570.73.729.27.842.64.842.23.074.05.862.13.842.84.150.84.836.81.932.15.258.92.245.62.049.59.457.83.149.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860789/327120
NFI4
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical2.11.00.0.0.0.3.80.90.0.5.02.00.0.8.45.86.21.54.62.05.91.90.0.7.77.50.0.5.22.31.91.90.60.65.92.95.12.34.82.412.06.72.60.99.82.70.0.4.21.33.90.4
less stable45.53.344.914.158.59.846.02.437.45.846.14.625.016.254.110.136.52.944.24.838.33.928.74.162.313.546.77.443.44.925.45.935.24.047.06.241.95.250.45.559.410.034.12.634.04.354.513.636.93.240.40.9
stable52.43.355.114.141.59.850.22.562.65.848.94.675.016.237.59.857.33.051.24.855.84.071.34.130.012.953.37.451.35.072.76.164.34.147.16.153.05.344.85.528.69.363.22.656.24.545.513.658.93.255.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical......0.0.0.0.....7.77.43.53.40.0...0.0.0.0.0.0.0.0...0.0.0.0...14.25.914.79.60.0.10.95.2....7.21.9
less stable......45.210.6100.0.....59.014.448.69.633.019.0..100.0.0.0.100.0.41.418.9..53.525.233.327.7..66.77.959.614.4100.0.45.78.5....54.03.8
stable......54.810.60.0.....33.313.948.09.667.019.0..0.0.100.0.0.0.58.618.9..46.525.266.727.7..19.16.525.713.00.0.43.38.4....38.73.7
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.
outside perimetercritical0.0.7.57.35.35.34.61.10.0.0.0...2.72.76.61.21.91.913.45.70.0.20.810.45.63.24.51.80.0.0.0.13.74.60.0.7.11.36.54.55.02.28.91.59.48.810.19.76.30.5
less stable43.816.644.112.821.39.844.62.634.811.857.15.9..59.78.644.62.443.16.952.18.227.39.752.013.062.27.560.74.20.0.58.914.951.76.749.813.958.82.545.39.450.45.048.52.739.413.162.517.449.91.1
stable56.216.648.413.273.410.650.82.665.211.842.95.9..37.68.548.82.455.16.934.47.772.79.727.110.632.27.234.84.1100.0.41.114.934.66.450.213.934.12.448.29.444.65.042.62.651.213.827.416.343.71.0
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.
totalcritical2.10.94.14.11.91.94.10.70.0.3.31.30.0.5.62.76.40.93.61.47.31.90.0.13.96.22.71.64.61.41.91.90.50.59.22.64.52.07.21.210.13.73.20.89.31.34.34.34.41.35.10.3
less stable45.43.344.510.045.57.845.31.838.45.249.93.725.016.257.66.041.71.843.43.940.93.529.13.855.89.355.15.253.03.224.65.837.33.948.74.542.84.958.02.253.26.338.22.344.72.247.69.837.83.144.80.7
stable52.53.351.410.052.77.950.61.861.65.246.83.675.016.236.95.851.91.853.03.951.83.670.93.830.38.442.25.142.33.273.65.962.23.942.04.452.64.934.82.136.76.158.62.346.02.248.19.857.83.250.20.7
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 #860790/327121
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/acritical6.70.65.41.15.11.46.52.23.81.20.0.5.90.4
less stable33.11.139.52.429.52.930.84.227.52.835.34.833.10.9
stable60.31.255.12.565.43.062.74.468.72.964.74.861.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical4.84.79.66.48.14.53.23.10.0.2.32.34.61.6
less stable35.110.762.410.655.98.648.28.541.112.738.07.046.53.8
stable60.111.028.19.836.08.348.78.558.912.759.77.148.93.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical5.41.45.91.06.21.45.61.23.51.03.40.84.90.5
less stable32.72.843.12.231.32.729.72.431.22.535.42.234.81.0
stable62.02.951.02.262.42.864.72.665.32.661.22.360.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical6.50.55.80.85.91.05.71.03.50.72.80.75.50.3
less stable33.01.042.01.632.01.931.22.129.91.935.61.934.30.6
stable60.51.152.31.762.22.063.12.166.61.961.62.060.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860791/327122
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/acritical6.80.65.71.15.81.45.71.84.51.12.31.26.00.4
less stable32.91.137.92.228.72.632.43.526.92.535.73.732.80.8
stable60.31.156.42.365.52.862.03.768.62.662.03.761.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical4.84.79.16.110.24.83.13.00.0.2.02.04.71.5
less stable35.110.759.510.551.38.346.78.340.911.035.06.543.93.6
stable60.111.031.49.938.58.150.38.459.111.063.06.551.43.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical5.31.36.71.16.31.45.51.23.91.03.90.85.20.5
less stable32.12.842.82.230.52.631.02.431.52.435.32.034.71.0
stable62.72.950.52.263.22.763.52.564.62.460.92.160.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical6.60.56.30.86.30.95.40.94.00.73.40.75.70.3
less stable32.81.040.91.530.91.832.41.929.71.735.31.733.90.6
stable60.61.052.81.662.91.962.22.066.31.861.31.860.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860792/327123
NFI4
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/acritical2.40.46.91.16.51.410.12.18.61.57.31.94.80.4
less stable38.11.148.62.348.12.838.03.437.52.645.03.640.80.8
stable59.51.144.52.345.42.851.93.654.02.747.83.654.40.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical0.0.0.0.12.45.210.34.99.66.411.34.38.72.0
less stable54.611.155.310.652.67.948.98.350.710.763.76.555.33.6
stable45.411.144.710.634.97.640.98.139.710.425.15.836.03.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical1.40.76.11.17.31.510.11.67.51.36.91.16.70.5
less stable41.53.051.52.253.12.847.22.541.62.557.22.149.61.0
stable57.13.042.42.239.62.742.72.550.92.535.92.043.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.30.36.40.87.21.010.11.28.11.07.30.95.70.3
less stable38.71.050.21.650.81.944.32.040.01.854.81.744.90.6
stable59.11.143.41.542.01.945.62.052.01.838.01.749.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860793/327124
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/acritical6.80.65.61.15.91.45.31.74.61.22.41.26.00.4
less stable32.71.138.52.328.72.732.73.626.92.533.83.732.70.8
stable60.51.155.82.365.42.862.03.768.52.663.73.861.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical4.84.79.16.110.24.83.13.00.0.2.02.04.81.6
less stable35.110.759.510.551.38.346.78.343.011.435.76.644.43.6
stable60.111.031.49.938.58.150.38.457.011.462.36.650.83.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical5.31.36.31.16.51.45.51.23.91.03.70.85.10.5
less stable32.42.842.52.230.62.631.02.431.42.435.22.134.61.0
stable62.22.951.32.263.02.763.52.564.72.561.12.160.21.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical6.60.56.00.76.41.05.30.94.10.73.30.75.60.3
less stable32.71.041.01.630.91.832.51.929.71.734.91.733.90.6
stable60.71.152.91.662.61.962.22.066.21.861.71.860.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860794/327125
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/acritical6.70.56.21.15.41.26.31.74.51.12.21.16.10.4
less stable33.01.037.62.129.12.532.73.327.32.334.93.532.80.8
stable60.31.156.22.265.52.661.03.468.22.462.93.661.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical4.74.610.75.89.64.62.82.80.0.1.81.84.71.5
less stable33.610.353.89.451.38.044.58.146.710.736.86.143.83.4
stable61.810.635.59.039.17.952.78.153.310.761.46.251.43.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical5.21.36.51.06.21.35.01.14.21.03.80.85.10.4
less stable33.12.742.82.030.32.431.92.331.32.335.61.935.00.9
stable61.72.850.72.063.52.563.02.464.52.360.62.059.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical6.50.56.40.76.00.95.30.94.20.73.30.65.60.3
less stable33.01.040.81.530.81.732.91.829.91.635.61.634.10.6
stable60.51.052.81.563.21.861.81.965.91.761.11.760.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860795/327126
NFI3
forest area
rockfall SilvaProtect · stand stability
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical6.11.02.81.35.01.57.31.59.31.36.03.05.21.43.01.35.72.56.13.411.85.06.52.23.81.20.0.5.90.4
less stable26.51.832.33.335.33.437.52.836.82.131.95.442.63.228.43.537.15.226.86.438.58.030.84.227.52.835.34.833.10.9
stable67.42.064.93.559.73.555.22.953.82.262.05.752.23.368.63.657.25.467.16.849.78.262.74.468.72.964.74.861.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.55.40.0...0.0...0.0.23.220.630.326.06.26.00.0.9.96.73.23.10.0.2.32.34.51.6
less stable32.811.00.0...100.0...0.0.76.820.630.326.063.512.070.512.547.712.548.28.541.112.738.07.046.43.8
stable61.711.4100.0...0.0...100.0.0.0.39.429.230.311.429.512.542.312.548.78.558.912.759.77.149.13.8
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical4.71.77.75.37.65.26.03.42.82.75.62.16.51.68.32.24.71.80.0.6.02.65.61.23.51.03.40.84.90.5
less stable29.73.828.69.124.68.838.27.147.79.034.24.346.13.327.63.446.04.133.07.137.95.529.72.431.22.535.42.234.81.0
stable65.64.063.79.767.89.555.77.249.59.060.24.547.43.464.13.749.34.167.07.156.15.664.72.665.32.661.22.360.31.0
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.
totalcritical5.80.93.31.35.31.57.11.49.01.25.81.76.01.05.91.35.21.42.71.58.12.35.71.03.50.72.80.75.40.3
less stable27.31.631.73.134.23.237.82.637.52.133.13.444.62.328.02.444.03.135.14.739.34.331.22.129.91.935.61.934.20.6
stable67.01.764.93.260.53.355.12.753.62.261.13.549.42.366.12.650.83.262.24.852.64.363.12.166.61.961.62.060.40.7
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 #860796/327127
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical6.11.02.81.25.21.57.21.59.71.37.03.05.51.44.01.55.12.08.13.49.54.15.31.74.61.22.41.26.00.4
less stable26.31.832.13.334.73.337.42.836.52.132.45.242.23.127.73.435.24.527.75.834.66.932.73.626.92.533.83.732.60.8
stable67.61.965.13.460.13.455.42.953.82.260.75.552.33.168.33.559.74.664.26.156.07.262.03.768.52.663.73.861.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.55.40.0...0.0...0.0.23.220.630.326.05.85.76.15.99.96.73.13.00.0.2.02.04.61.5
less stable32.811.00.0...100.0...0.0.76.820.630.326.059.511.958.112.147.712.546.78.343.011.435.76.644.33.6
stable61.711.4100.0...0.0...100.0.0.0.39.429.234.711.535.811.842.312.550.38.457.011.462.36.651.13.7
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.
outside perimetercritical4.61.77.75.37.65.26.03.42.82.75.42.06.71.67.92.15.81.91.91.96.62.65.51.23.91.03.70.85.10.4
less stable29.33.828.69.124.68.838.27.147.79.034.24.245.63.327.83.344.64.030.96.536.05.231.02.431.42.435.22.134.61.0
stable66.13.963.79.767.89.555.77.249.59.060.44.447.63.364.33.649.64.067.26.657.45.363.52.564.72.561.12.160.31.0
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.
totalcritical5.80.83.31.25.51.57.11.49.31.26.01.76.31.06.11.35.51.35.41.97.92.15.30.94.10.73.30.75.60.3
less stable27.01.631.53.133.63.137.72.637.22.133.33.344.12.327.82.441.72.932.94.236.84.032.51.929.71.734.91.733.80.6
stable67.21.765.23.260.93.255.22.753.52.160.63.449.72.366.12.552.83.061.64.355.34.162.22.066.21.861.71.860.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860797/327128
NFI4
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/acritical2.40.45.71.26.11.59.82.76.21.54.92.23.90.4
less stable38.21.148.82.546.73.134.04.336.43.047.75.040.40.9
stable59.31.245.52.547.33.156.24.557.43.147.45.055.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical0.0.0.0.8.64.710.95.20.0.12.84.97.52.0
less stable54.611.153.110.953.28.645.78.547.813.062.67.054.13.8
stable45.411.146.910.938.28.443.38.452.213.024.56.238.53.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical1.50.76.21.16.91.58.91.57.41.46.41.16.40.5
less stable41.43.051.62.252.92.948.52.742.52.757.82.350.01.1
stable57.13.042.22.240.22.842.62.650.12.735.82.243.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.30.35.80.86.61.09.31.36.71.06.71.05.10.3
less stable38.81.150.41.650.22.144.72.240.12.056.52.044.90.7
stable58.91.143.81.643.12.046.02.253.22.036.81.950.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860798/327129
NFI4
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %±
n/acritical2.40.46.51.27.01.510.62.48.41.66.72.04.60.4
less stable38.31.149.42.347.22.937.43.736.92.744.03.940.80.9
stable59.41.144.12.345.82.951.93.854.62.849.23.954.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical0.0.0.0.7.94.410.65.011.27.411.54.48.02.0
less stable54.611.155.310.657.08.247.48.448.111.563.06.655.63.6
stable45.411.144.710.635.17.942.08.340.811.225.55.936.43.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical1.50.76.21.17.11.59.41.57.71.46.71.16.60.5
less stable41.13.051.32.252.42.847.82.641.52.557.72.149.61.0
stable57.53.042.52.240.42.742.82.650.82.635.72.043.81.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.20.36.20.87.11.09.91.28.11.07.00.95.60.3
less stable38.81.150.51.650.32.044.62.139.61.855.11.844.90.6
stable59.01.143.31.642.61.945.52.152.21.937.81.749.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860799/327130
NFI4
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical1.70.52.21.13.01.22.30.93.30.86.52.96.51.63.91.62.31.610.64.510.25.09.82.76.21.54.92.23.90.4
less stable31.41.937.93.542.43.542.52.842.22.253.95.943.43.245.93.961.25.348.67.247.68.234.04.336.43.047.75.040.60.9
stable66.92.059.93.554.53.555.22.954.52.239.65.750.13.250.33.836.55.240.87.142.28.156.24.557.43.147.45.055.50.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical0.0.0.0...0.0...0.0.0.0.0.0.0.0.13.79.15.45.310.95.20.0.12.84.97.42.0
less stable49.111.8100.0...100.0...0.0.47.825.130.326.056.812.358.313.252.312.545.78.547.813.062.67.054.13.8
stable50.911.80.0...0.0...100.0.52.225.169.726.043.212.327.912.042.312.543.38.452.213.024.56.238.53.7
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.
outside perimetercritical1.41.00.0.0.0.2.12.02.82.72.21.27.61.77.82.17.02.16.73.84.62.38.91.57.41.46.41.16.30.5
less stable35.24.035.59.541.810.248.07.265.38.653.84.651.43.349.33.849.94.149.17.563.05.448.52.742.52.757.82.350.01.1
stable63.44.064.59.558.210.250.07.231.98.444.04.640.93.342.93.843.14.144.27.432.45.242.62.650.12.735.82.243.71.0
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.
totalcritical1.60.51.91.02.71.12.30.83.30.83.81.47.01.25.81.34.91.49.42.86.32.19.31.36.71.06.71.05.00.3
less stable32.51.738.03.242.33.343.42.643.52.153.63.647.42.347.42.754.23.250.14.957.34.344.72.240.12.056.52.044.90.7
stable65.91.760.13.254.93.354.32.753.22.142.63.645.62.346.72.740.83.140.54.836.44.246.02.253.22.036.81.950.00.7
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 #860800/327131
NFI4
forest area
rockfall SilvaProtect · stand stability
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical1.60.52.11.12.91.22.30.93.20.88.93.36.51.54.61.65.22.111.74.110.14.410.62.48.41.66.72.04.70.4
less stable31.31.938.23.441.83.442.72.842.62.252.25.644.43.146.03.759.14.646.56.452.47.337.43.736.92.744.03.940.90.9
stable67.11.959.63.455.33.455.12.854.22.238.95.449.13.149.33.735.64.541.86.337.57.151.93.854.62.849.23.954.50.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical0.0.0.0...0.0...0.0.0.0.0.0.0.0.11.37.65.45.310.65.011.27.411.54.48.02.0
less stable49.111.8100.0...100.0...0.0.47.825.130.326.059.511.965.711.552.312.547.48.448.111.563.06.655.63.6
stable50.911.80.0...0.0...100.0.52.225.169.726.040.511.923.010.242.312.542.08.340.811.225.55.936.53.5
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical1.41.00.0.0.0.2.12.02.82.72.11.27.91.77.52.06.72.07.83.85.32.39.41.57.71.46.71.16.60.5
less stable34.73.935.59.541.810.248.07.265.38.652.34.550.83.349.23.750.94.053.47.059.45.247.82.641.52.557.72.149.61.0
stable63.94.064.59.558.210.250.07.231.98.445.74.541.33.343.33.742.44.038.86.835.35.142.82.650.82.635.72.043.81.0
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.
totalcritical1.50.41.91.02.61.12.20.83.20.74.81.57.11.16.01.35.71.410.12.76.82.09.91.28.11.07.00.95.60.3
less stable32.41.738.33.241.83.243.62.643.82.152.03.547.52.247.42.654.72.951.74.456.44.044.62.139.61.855.11.844.90.6
stable66.11.759.83.255.63.254.22.753.02.143.13.545.42.246.52.639.62.938.24.336.83.945.52.152.21.937.81.749.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860801/327132
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical5.60.92.91.26.41.67.91.59.21.25.92.66.21.43.51.36.72.26.93.08.93.56.31.74.51.12.21.16.10.4
less stable27.21.733.23.234.33.137.12.636.42.032.94.841.42.927.03.133.14.131.05.534.36.032.73.327.32.334.93.532.80.8
stable67.31.863.93.359.33.255.02.754.42.161.35.152.53.069.53.360.24.362.15.756.96.361.03.468.22.462.93.661.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.35.20.0...0.0...0.0.24.615.330.626.15.15.05.25.09.96.72.82.80.0.1.81.84.71.4
less stable31.110.60.0...100.0...53.535.247.917.730.626.156.111.758.011.447.812.544.58.146.710.736.86.143.83.4
stable63.611.0100.0...0.0...46.535.227.516.338.829.138.711.536.911.142.212.452.78.153.310.761.46.251.63.5
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical4.91.76.94.76.74.65.22.92.62.56.32.07.71.67.21.84.81.63.32.36.02.45.01.14.21.03.80.85.10.4
less stable30.43.632.78.925.98.532.36.354.18.434.23.845.43.127.83.145.63.631.86.335.24.931.92.331.32.335.61.935.00.9
stable64.73.860.59.367.49.062.56.543.38.459.54.046.93.165.03.349.73.664.96.458.85.063.02.464.52.360.62.059.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical5.40.83.31.26.41.57.51.38.81.16.11.67.21.15.51.15.51.25.31.87.41.95.30.94.20.73.30.65.60.3
less stable27.91.533.03.033.42.936.62.437.42.033.83.043.42.127.52.241.32.734.84.036.13.632.91.829.91.635.61.634.00.6
stable66.71.663.73.160.13.055.92.553.82.060.13.249.42.167.02.353.22.759.94.156.53.761.81.965.91.761.11.760.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860802/327133
NFI3
forest area
rockfall SilvaProtect · stand stability
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical6.01.02.81.25.61.67.11.59.71.36.72.95.51.43.91.55.62.17.73.39.13.95.71.84.51.12.31.26.00.4
less stable26.51.832.13.334.73.337.72.836.92.131.35.041.83.127.43.334.34.329.65.733.26.732.43.526.92.535.73.732.70.8
stable67.51.965.13.459.73.455.22.853.52.262.05.352.73.168.73.560.14.562.76.057.77.062.03.768.62.662.03.761.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.55.40.0...0.0...0.0.23.220.630.326.05.85.76.15.99.96.73.13.00.0.2.02.04.61.5
less stable32.811.00.0...100.0...0.0.76.820.630.326.059.511.958.112.147.712.546.78.340.911.035.06.543.83.6
stable61.711.4100.0...0.0...100.0.0.0.39.429.234.711.535.811.842.312.550.38.459.111.063.06.551.63.6
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical4.51.77.75.37.45.06.03.42.82.76.42.27.51.77.72.05.71.91.91.96.52.55.51.23.91.03.90.85.20.5
less stable28.93.728.69.123.78.538.27.147.79.034.34.245.73.328.13.345.33.930.96.535.25.131.02.431.52.435.32.034.71.0
stable66.63.963.79.769.09.255.77.249.59.059.34.446.83.364.23.549.04.067.26.658.45.263.52.564.62.460.92.160.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical5.70.83.31.25.81.56.91.39.31.26.51.76.61.16.01.35.71.35.31.97.72.05.40.94.00.73.40.75.60.3
less stable27.11.631.53.133.63.137.92.637.52.132.93.243.92.227.82.341.62.933.84.235.93.932.41.929.71.735.31.733.90.6
stable67.21.765.23.260.73.255.12.653.22.160.63.449.52.366.22.552.72.961.04.356.44.062.22.066.31.861.31.860.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860803/327134
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/acritical5.20.87.80.84.50.95.61.00.0.5.90.4
less stable28.01.636.91.536.12.230.42.035.34.833.10.9
stable66.81.755.31.659.42.364.02.064.74.861.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.45.20.0.25.815.74.12.02.32.34.71.6
less stable30.910.5100.0.49.217.752.75.138.07.046.43.8
stable63.711.00.0.25.015.443.25.059.77.148.93.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical5.11.75.72.36.81.14.50.73.40.84.90.5
less stable29.53.537.94.837.32.133.61.535.42.234.81.0
stable65.33.756.44.955.92.261.81.661.22.360.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical5.20.77.60.85.90.74.90.52.80.75.50.3
less stable28.31.537.01.436.91.533.71.235.61.934.30.6
stable66.51.555.31.557.31.661.51.261.62.060.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860804/327135
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/acritical5.30.88.00.85.11.05.60.92.41.26.10.4
less stable27.81.636.51.535.62.130.21.733.83.732.70.8
stable66.91.755.41.559.32.264.21.863.73.861.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.45.20.0.25.815.74.72.12.02.04.91.6
less stable30.910.5100.0.49.217.750.14.935.76.644.23.6
stable63.711.00.0.25.015.445.24.862.36.650.93.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical5.11.75.72.36.81.14.90.73.70.85.10.4
less stable29.23.537.94.837.12.133.61.535.22.134.61.0
stable65.83.656.44.956.12.161.41.561.12.160.21.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical5.20.77.80.86.10.75.20.53.30.75.60.3
less stable28.11.436.71.436.51.533.21.134.91.733.90.6
stable66.71.555.51.557.41.561.61.161.71.860.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860805/327136
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/acritical5.20.88.00.85.00.95.70.92.31.26.00.4
less stable27.91.636.81.535.12.130.01.735.73.732.80.8
stable66.91.755.21.559.82.264.31.862.03.761.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.45.20.0.25.815.74.72.02.02.04.81.6
less stable30.910.5100.0.49.217.749.64.835.06.543.83.6
stable63.711.00.0.25.015.445.74.863.06.551.43.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical5.01.65.62.27.21.14.90.73.90.85.20.5
less stable28.83.437.64.837.32.133.71.535.32.034.71.0
stable66.23.656.84.955.52.161.41.560.92.160.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical5.20.77.80.86.30.75.20.53.40.75.70.3
less stable28.11.436.91.436.31.533.21.135.31.733.90.6
stable66.71.555.31.557.41.561.61.161.31.860.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860806/327137
NFI4
forest area
rockfall SilvaProtect · stand stability
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical1.60.52.11.12.91.22.30.83.40.88.53.26.81.54.41.56.42.211.14.08.43.710.12.18.61.57.31.94.80.4
less stable31.11.938.43.441.63.442.42.842.42.252.05.443.33.046.63.658.44.447.46.253.86.638.03.437.52.645.03.640.90.8
stable67.31.959.53.455.53.455.32.854.22.239.45.349.93.049.03.635.34.341.56.237.96.551.93.654.02.747.83.654.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical0.0.0.0...0.0...0.0.0.0.0.0.0.0.15.38.210.57.110.34.99.66.411.34.38.62.0
less stable49.111.8100.0...100.0...0.0.47.825.130.326.059.511.959.011.349.412.248.98.350.710.763.76.555.43.6
stable50.911.80.0...0.0...100.0.52.225.169.726.040.511.925.79.940.012.040.98.139.710.425.15.836.03.4
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical1.41.00.0.0.0.2.02.02.82.72.11.27.81.77.52.06.62.09.13.95.12.210.11.67.51.36.91.16.70.5
less stable35.13.935.59.541.810.249.17.265.38.652.34.551.33.349.53.750.94.054.16.860.85.147.22.541.62.557.22.149.71.0
stable63.54.064.59.558.210.248.97.231.98.445.74.541.03.243.03.742.54.036.86.634.15.042.72.550.92.535.92.043.61.0
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.
totalcritical1.50.41.90.92.61.12.20.83.30.84.81.57.21.15.81.26.11.410.92.76.81.910.11.28.11.07.30.95.70.3
less stable32.31.738.53.241.63.243.52.643.72.152.03.547.02.247.82.654.52.951.64.357.13.944.32.040.01.854.81.744.90.6
stable66.21.759.73.255.83.254.32.653.02.143.33.545.82.246.32.639.42.837.54.136.03.745.62.052.01.838.01.749.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #860807/327138
NFI3
forest area
rockfall SilvaProtect · stand stability
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
rockfall SilvaProtectstand stability %± %± %± %± %± %±
n/acritical4.90.78.10.85.10.95.90.82.21.16.10.4
less stable28.71.536.31.434.92.030.41.634.93.532.80.8
stable66.41.655.61.560.02.063.61.762.93.661.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.15.00.0.23.311.84.31.91.81.84.81.5
less stable29.410.1100.0.46.413.949.34.736.86.143.83.4
stable65.510.60.0.30.312.746.44.761.46.251.43.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical5.21.64.92.07.01.04.70.63.80.85.10.4
less stable30.83.437.14.436.91.934.21.435.61.935.10.9
stable64.03.558.04.556.02.061.11.460.62.059.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical5.00.77.80.76.30.75.20.53.30.65.60.3
less stable29.01.436.41.336.11.433.51.035.61.634.10.6
stable66.01.455.81.457.61.461.31.161.11.760.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860808/327139
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