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NFI3
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.40.10.0.0.0.0.10.10.0.0.0.0.20.1
not present47.41.110.91.09.51.22.50.75.90.93.20.621.60.5
total47.81.110.91.09.51.22.60.75.90.93.20.621.80.5
21-40 %present5.10.912.42.017.72.819.03.214.42.315.12.411.60.8
not present46.92.273.64.668.95.673.86.176.25.471.55.563.41.8
total52.02.586.05.086.66.392.86.790.66.086.55.974.91.9
over 100%present0.10.12.60.53.20.73.30.72.00.56.30.92.20.2
not present0.00.00.50.20.80.31.30.51.50.53.90.71.00.1
total0.20.13.10.54.00.84.60.93.50.710.21.13.20.2
totalpresent5.70.515.01.120.91.622.41.716.31.421.41.514.00.4
not present94.30.585.01.179.11.677.61.783.71.478.61.586.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903319/367704
NFI3
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.40.10.0.0.0.0.10.10.0.0.0.0.20.1
not present47.51.110.71.09.71.22.50.76.00.93.30.621.60.5
total47.91.110.71.09.71.22.60.76.00.93.30.621.80.5
21-40 %present5.00.912.52.017.52.819.03.214.62.315.12.411.60.8
not present46.82.273.54.668.85.573.76.175.85.371.15.463.31.8
total51.92.586.15.086.26.392.76.790.55.986.25.874.91.9
over 100%present0.10.12.70.53.10.73.50.82.10.56.50.92.30.2
not present0.00.00.60.20.90.41.20.51.50.54.00.71.00.1
total0.20.13.20.64.10.84.70.93.60.710.51.13.30.2
totalpresent5.60.515.21.120.61.622.61.716.71.421.61.514.10.4
not present94.40.584.81.179.41.677.41.783.31.478.41.585.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903320/367705
NFI3
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.40.10.0.0.0.0.10.10.0.0.0.0.20.0
not present47.41.010.40.99.51.12.50.65.80.83.40.621.50.5
total47.81.010.40.99.51.12.60.65.80.83.40.621.70.5
21-40 %present4.80.912.71.917.32.719.13.113.62.115.82.311.50.8
not present47.12.173.74.369.65.273.15.777.15.170.15.163.51.7
total51.92.386.44.786.95.992.26.390.85.685.95.575.01.8
over 100%present0.20.12.70.52.80.63.70.72.10.56.30.82.30.2
not present0.00.00.50.20.80.31.40.51.40.44.40.71.10.1
total0.20.13.20.53.60.75.10.93.50.610.71.13.40.2
totalpresent5.50.515.41.120.11.522.91.615.71.322.21.414.00.4
not present94.50.584.61.179.91.577.11.684.31.377.81.486.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903321/367706
NFI4
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.10.10.10.10.0.0.0.0.0.0.0.0.10.0
not present47.31.111.01.09.41.22.80.76.41.03.10.722.70.5
total47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21-40 %present4.90.912.42.018.63.016.22.914.02.624.03.312.10.8
not present47.52.273.54.868.85.876.66.676.25.862.95.762.21.8
total52.52.585.95.287.46.792.77.290.26.586.96.574.32.0
over 100%present0.10.12.40.52.90.73.00.82.50.66.61.02.10.2
not present0.10.10.70.30.30.21.40.51.00.43.30.70.80.1
total0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
totalpresent5.10.514.91.221.51.719.21.816.51.530.71.814.20.5
not present94.90.585.11.278.51.780.81.883.51.569.31.885.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903322/367707
NFI4
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.10.10.10.10.0.0.0.0.0.0.0.0.10.0
not present47.71.110.81.09.51.22.60.75.90.93.20.621.80.5
total47.81.110.91.09.51.22.60.75.90.93.20.621.80.5
21-40 %present4.90.912.22.018.52.815.62.814.12.422.02.912.10.8
not present47.12.273.84.668.05.577.26.276.45.464.65.262.91.8
total52.02.586.05.086.66.392.86.790.66.086.55.974.91.9
over 100%present0.10.12.40.53.50.73.00.72.50.66.70.92.30.2
not present0.10.10.70.30.50.31.60.50.90.43.50.70.90.1
total0.20.13.10.54.00.84.60.93.50.710.21.13.20.2
totalpresent5.10.514.71.122.11.618.61.616.71.428.71.614.40.4
not present94.90.585.31.177.91.681.41.683.31.471.31.685.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903323/367708
NFI4
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %±
to 20%present0.10.10.10.10.0.0.0.0.0.0.10.10.10.0
not present47.71.110.91.09.11.13.00.75.70.83.30.621.30.5
total47.81.111.01.09.11.13.00.75.70.83.40.621.40.5
21-40 %present4.80.912.11.918.52.815.72.813.62.322.42.912.10.8
not present47.22.273.64.568.35.476.46.076.95.363.55.163.01.7
total52.02.585.74.986.86.292.16.590.55.885.95.775.11.9
over 100%present0.10.12.60.53.60.73.10.72.90.67.10.92.50.2
not present0.10.10.70.30.40.31.80.50.90.33.60.71.00.1
total0.20.13.30.64.10.84.90.93.80.710.71.13.50.2
totalpresent5.00.514.81.122.11.618.81.616.51.329.71.614.70.4
not present95.00.585.21.177.91.681.21.683.51.370.31.685.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903324/367709
NFI1
number of forest plots
slope (20% classes) · traces of rockfall
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
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%n/a0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
present0.0.0.0.0.40.40.0.0.20.20.0.0.0.0.0.0.0.0.90.90.70.70.0.0.0.0.20.20.10.0
not present29.31.734.63.269.03.159.12.660.02.113.32.514.11.613.41.94.11.33.81.82.71.32.80.76.41.03.00.722.70.5
total29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.00.0
present12.02.39.43.71.31.01.91.31.50.919.05.717.63.513.33.733.75.948.09.744.09.637.24.825.13.724.73.518.51.1
not present58.34.055.57.129.35.138.75.138.33.865.29.565.76.172.27.358.38.539.111.048.510.655.35.865.05.462.25.755.71.7
total70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
present0.40.20.50.50.0.0.0.0.0.2.51.12.60.70.80.53.11.17.32.54.11.74.50.93.00.76.81.02.40.2
not present0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.80.60.90.90.0.0.0.0.50.33.20.70.50.1
total0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
totaln/a0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.10.0
present12.41.29.92.01.70.91.90.71.70.621.52.920.21.914.21.936.73.056.24.848.84.341.72.228.01.831.61.921.00.5
not present87.61.290.12.098.30.997.70.898.30.678.52.979.81.985.81.963.33.043.84.851.24.358.12.271.81.868.41.979.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903325/367710
NFI1
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%n/a0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
present0.0.0.0.0.40.40.0.0.20.20.0.0.0.0.0.0.0.0.80.80.60.60.0.0.0.0.20.20.10.0
not present30.31.734.43.268.73.058.92.660.12.113.42.413.71.613.21.84.21.34.31.94.01.62.90.76.10.93.30.722.60.5
total30.31.734.43.269.13.059.22.660.32.113.42.413.71.613.21.84.21.35.12.04.61.72.90.76.10.93.40.722.70.5
21-40 %n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.00.0
present11.72.39.43.61.31.02.21.31.40.918.55.517.63.413.13.632.96.049.89.643.59.336.44.725.73.623.83.418.41.0
not present57.63.955.77.029.65.038.65.038.33.765.69.466.06.072.67.258.58.237.610.346.610.156.15.764.55.362.35.655.71.7
total69.34.865.18.730.95.240.85.239.74.084.110.983.67.085.78.191.410.087.414.890.113.592.77.090.36.386.16.374.22.0
over 100%n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
present0.40.20.50.50.0.0.0.0.0.2.51.12.70.70.80.53.61.16.72.35.31.94.40.93.10.77.51.02.60.2
not present0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.80.60.80.80.0.0.0.0.50.33.00.70.50.1
total0.40.20.50.50.0.0.0.0.0.2.51.12.70.71.00.54.41.27.52.45.31.94.40.93.60.710.51.23.10.2
totaln/a0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.10.0
present12.11.29.82.01.70.82.20.81.60.520.92.820.31.813.91.836.52.957.34.649.44.240.82.128.81.831.41.821.10.5
not present87.91.290.22.098.30.897.50.898.40.579.12.879.71.886.11.863.52.942.74.650.64.259.02.171.01.868.61.878.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903326/367711
NFI1
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%n/a0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
present0.10.10.0.0.20.20.10.10.10.10.0.0.0.0.0.0.0.0.40.40.70.50.0.0.0.0.10.10.10.0
not present31.21.236.92.366.82.259.21.860.11.513.21.713.51.113.81.34.80.94.21.43.91.23.10.56.00.74.00.522.90.3
total31.31.236.92.367.02.259.51.860.21.513.21.713.51.113.81.34.80.94.71.54.61.23.10.56.00.74.10.522.90.3
21-40 %n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.10.20.20.0.0.00.0
present12.31.79.82.81.30.92.61.21.20.622.34.117.12.413.32.631.14.245.07.244.16.635.43.327.52.625.62.418.80.7
not present55.52.952.85.131.73.837.63.738.62.662.26.366.84.271.75.058.65.939.17.847.07.256.54.163.23.760.03.855.01.2
total67.83.562.66.033.04.040.23.939.82.884.57.683.84.985.15.789.97.284.110.591.19.492.05.090.84.585.64.473.81.4
over 100%n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
present0.80.20.50.30.0.0.30.20.0.2.30.72.50.50.80.34.30.99.92.03.91.24.60.72.80.57.60.72.70.2
not present0.10.10.0.0.0.0.0.0.0.0.0.0.10.10.30.21.00.41.30.80.40.40.40.20.40.22.70.40.50.1
total0.90.20.50.30.0.0.30.20.0.2.30.72.60.51.10.45.31.011.32.14.31.25.00.73.20.510.30.83.20.2
totaln/a0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.10.20.10.0.0.00.0
present13.20.910.21.41.50.63.10.61.30.324.62.119.61.314.11.335.42.155.43.348.73.040.01.530.31.333.31.321.60.4
not present86.80.989.81.498.50.696.80.798.70.375.42.180.41.385.91.364.42.144.63.351.33.059.91.569.61.366.71.378.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903327/367712
NFI2
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.10.10.0.1.40.80.0.0.0.0.0.0.0.0.0.0.0.0.90.90.0.0.0.0.0.0.20.20.10.0
not present29.21.734.63.268.13.159.42.660.22.113.32.514.11.613.41.94.11.33.81.83.41.52.80.76.41.03.00.722.70.5
total29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %present9.52.16.63.41.61.11.71.20.40.417.05.412.73.18.72.928.95.837.08.935.18.124.03.916.32.916.72.913.20.9
not present60.84.258.37.328.95.238.95.139.44.067.29.770.66.576.87.663.18.850.112.457.411.368.86.473.95.870.26.061.01.8
total70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%present0.30.20.0.0.0.0.0.0.0.2.51.11.90.61.10.52.30.97.32.52.81.43.40.82.50.66.11.02.00.2
not present0.10.10.50.50.0.0.0.0.0.0.0.0.80.40.0.1.60.80.90.91.30.91.00.51.00.43.80.80.90.1
total0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
totalpresent9.91.16.61.73.01.11.70.70.40.319.52.814.61.69.81.631.22.945.34.837.94.127.42.018.81.623.01.715.40.5
not present90.11.193.41.797.01.198.30.799.60.380.52.885.41.690.21.668.82.954.74.862.14.172.62.081.21.677.01.784.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903328/367713
NFI2
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.10.10.0.1.30.70.0.0.0.0.50.50.0.0.0.0.0.0.80.80.70.70.0.0.0.0.30.20.20.1
not present30.61.635.03.268.13.059.42.660.12.113.12.413.91.613.61.85.21.45.72.04.31.62.80.76.20.93.10.722.50.5
total30.71.635.03.269.43.059.42.660.12.113.52.413.91.613.61.85.21.46.42.24.91.72.80.76.20.93.40.722.60.5
21-40 %present9.42.06.53.41.51.01.71.20.40.416.95.312.43.08.52.828.25.636.78.332.47.424.03.815.82.716.12.713.20.9
not present59.54.158.07.329.05.038.95.039.53.967.29.471.26.376.87.463.08.449.011.457.110.669.06.274.85.570.15.761.21.8
total68.94.864.68.730.65.140.65.239.94.084.110.783.66.985.38.091.29.985.714.389.413.093.07.090.66.186.26.274.42.0
over 100%present0.20.20.0.0.0.0.0.0.0.2.41.11.80.61.00.52.10.97.22.34.51.73.20.82.20.66.81.02.10.2
not present0.10.10.50.50.0.0.0.0.0.0.0.0.70.40.0.1.50.70.80.81.20.81.00.41.00.43.60.70.90.1
total0.40.20.50.50.0.0.0.0.0.2.41.12.50.71.00.53.61.17.92.45.61.94.20.93.20.710.41.23.00.2
totalpresent9.81.16.51.72.81.11.70.70.40.319.82.714.21.69.61.630.32.844.64.537.53.927.21.918.01.523.21.615.40.5
not present90.21.193.51.797.21.198.30.799.60.380.22.785.81.690.41.669.72.855.44.562.53.972.81.982.01.576.81.684.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903329/367714
NFI2
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.10.10.0.1.10.60.0.0.0.0.40.40.0.0.0.0.0.0.60.60.60.60.20.20.0.0.30.20.20.0
not present31.11.633.23.068.02.859.72.460.02.012.92.213.81.513.61.75.11.35.51.93.81.43.10.75.80.82.80.622.30.4
total31.21.633.23.069.12.859.72.460.02.013.32.213.81.513.61.75.11.36.12.04.51.53.30.75.80.83.00.622.40.5
21-40 %present9.11.96.73.21.40.91.51.00.30.318.15.113.02.88.22.528.65.535.67.433.27.723.73.516.32.616.72.613.30.8
not present59.43.959.76.929.54.738.84.739.73.766.18.770.95.976.66.962.88.050.210.656.89.868.75.874.55.270.45.461.31.7
total68.44.566.48.330.94.840.34.840.03.784.210.184.06.584.87.391.39.585.813.190.012.392.46.590.85.887.15.874.61.8
over 100%present0.20.20.0.0.0.0.0.0.0.2.51.01.50.51.40.62.20.86.82.14.51.63.30.72.40.66.60.92.10.2
not present0.10.10.40.40.0.0.0.0.0.0.0.0.70.30.20.21.30.71.30.91.00.71.00.41.00.43.30.60.80.1
total0.30.20.40.40.0.0.0.0.0.2.51.02.20.61.60.63.61.18.12.35.51.74.30.83.40.79.91.13.00.2
totalpresent9.41.06.71.62.40.91.50.60.30.221.02.614.61.59.61.430.82.743.14.138.33.627.21.818.71.423.51.515.60.4
not present90.61.093.31.697.60.998.50.699.70.279.02.685.41.590.41.469.22.756.94.161.73.672.81.881.31.476.51.584.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903330/367715
NFI3
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.40.30.0.0.80.60.50.40.30.20.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.20.1
not present28.91.634.63.268.63.158.92.659.92.113.32.514.11.613.41.94.11.34.62.03.41.52.60.76.41.03.10.722.70.5
total29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %present10.62.25.82.81.31.11.71.21.21.011.14.410.32.79.53.117.34.242.19.222.66.418.73.314.42.515.52.711.40.8
not present59.74.259.17.529.35.138.95.138.63.873.110.373.16.676.07.574.79.445.011.969.912.474.06.675.85.871.46.162.81.8
total70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%present0.30.20.50.50.0.0.0.0.0.2.51.12.40.71.10.52.71.07.32.52.81.43.20.82.10.66.01.02.00.2
not present0.10.10.0.0.0.0.0.0.0.0.0.0.20.20.0.1.30.70.90.91.30.91.20.51.30.54.00.80.90.1
total0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
totalpresent11.31.16.31.72.10.92.20.81.50.513.62.412.71.510.51.720.02.549.44.825.43.722.11.916.51.521.51.613.60.5
not present88.71.193.71.797.90.997.80.898.50.586.42.487.31.589.51.780.02.550.64.874.63.777.91.983.51.578.51.686.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903331/367716
NFI3
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.40.20.0.0.80.50.50.40.30.20.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.20.1
not present30.11.634.83.269.43.059.02.659.92.112.92.314.11.613.51.84.31.25.41.93.61.42.50.75.90.93.20.621.70.5
total30.51.634.83.270.23.059.52.660.22.112.92.314.11.613.51.84.31.25.41.93.61.42.60.75.90.93.20.621.80.5
21-40 %present10.52.25.72.81.31.01.71.21.20.910.94.310.02.68.92.917.53.938.08.020.85.919.03.214.42.315.12.411.50.8
not present58.64.259.07.428.54.938.85.138.63.773.410.073.46.476.77.374.28.847.511.269.311.673.86.176.25.471.55.563.41.8
total69.14.864.78.629.85.140.55.239.84.084.310.883.47.085.58.091.79.785.514.090.113.092.86.790.66.086.55.974.91.9
over 100%present0.20.20.50.50.0.0.0.0.0.2.81.12.30.71.00.52.60.98.42.43.81.63.30.72.00.56.30.92.20.2
not present0.10.10.0.0.0.0.0.0.0.0.0.0.20.20.0.1.50.70.70.72.51.21.30.51.50.53.90.71.00.1
total0.40.20.50.50.0.0.0.0.0.2.81.12.50.71.00.54.11.29.12.56.32.04.60.93.50.710.21.13.20.2
totalpresent11.21.16.21.72.00.92.20.81.50.513.72.412.31.59.91.620.12.346.44.424.63.422.41.716.31.421.41.513.90.4
not present88.81.193.81.798.00.997.80.898.50.586.32.487.71.590.11.679.92.353.64.475.43.477.61.783.71.478.61.586.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903332/367717
NFI3
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.40.20.0.0.80.50.50.40.30.20.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.20.1
not present30.21.634.83.269.53.058.82.660.12.112.62.313.91.613.51.84.11.25.31.94.81.62.50.76.00.93.30.621.60.5
total30.71.634.83.270.23.059.32.660.42.112.62.313.91.613.51.84.11.25.31.94.81.62.60.76.00.93.30.621.80.5
21-40 %present10.32.25.72.81.21.01.71.11.10.911.14.310.12.68.72.817.63.837.17.821.05.919.03.214.62.315.12.411.50.8
not present58.64.159.07.428.54.939.05.138.43.773.29.973.56.476.87.374.08.647.911.168.211.473.76.175.85.371.15.463.31.8
total69.04.864.78.629.85.140.75.239.64.084.310.683.66.985.57.991.69.585.013.889.112.892.76.790.55.986.25.874.91.9
over 100%present0.20.20.50.50.0.0.0.0.0.2.71.12.30.71.00.52.80.98.22.43.71.53.50.82.10.56.50.92.30.2
not present0.10.10.0.0.0.0.0.0.0.0.40.40.20.20.0.1.40.71.51.02.41.21.20.51.50.54.00.71.00.1
total0.40.20.50.50.0.0.0.0.0.3.21.22.50.71.00.54.31.29.72.66.11.94.70.93.60.710.51.13.30.2
totalpresent11.01.16.21.72.00.92.20.81.50.513.82.412.41.59.71.620.42.345.34.324.73.422.61.716.71.421.61.514.00.4
not present89.01.193.81.798.00.997.80.898.50.586.22.487.61.590.31.679.62.354.74.375.33.477.41.783.31.478.41.586.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903333/367718
NFI3
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.40.20.0.0.70.50.40.30.50.30.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.20.0
not present29.31.535.93.168.62.960.12.460.02.011.92.113.61.513.41.74.01.15.11.84.41.52.50.65.80.83.40.621.50.4
total29.61.535.93.169.32.860.62.460.42.011.92.113.61.513.41.74.01.15.11.84.41.52.60.65.80.83.40.621.70.4
21-40 %present9.92.05.62.61.10.91.71.11.20.911.44.010.52.58.72.717.13.836.47.421.36.019.13.113.62.115.82.311.50.8
not present59.93.958.17.029.64.737.74.738.43.573.99.373.36.177.06.974.58.249.710.768.910.973.15.777.15.170.15.163.51.7
total69.84.563.78.230.74.939.44.839.63.785.310.083.86.685.77.491.69.086.113.190.212.292.26.390.85.685.95.575.01.8
over 100%present0.40.20.40.40.0.0.0.0.0.2.30.92.50.70.90.43.10.97.52.23.31.43.70.72.10.56.30.82.30.2
not present0.10.10.0.0.0.0.0.0.0.0.40.40.20.20.0.1.30.61.30.92.11.01.40.51.40.44.40.71.10.1
total0.60.30.40.40.0.0.0.0.0.2.71.02.60.70.90.44.41.18.82.35.41.75.10.93.50.610.71.13.40.2
totalpresent10.71.06.01.61.80.82.20.71.70.513.72.212.91.49.61.420.22.244.04.124.63.222.91.615.71.322.21.413.90.4
not present89.31.094.01.698.20.897.80.798.30.586.32.287.11.490.41.479.82.256.04.175.43.277.11.684.31.377.81.486.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903334/367719
NFI4
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.0.0.40.40.0.0.0.0.20.20.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
not present29.31.734.23.269.43.159.42.660.02.113.32.513.81.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.80.5
total29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %present11.22.24.42.50.50.50.60.41.31.011.44.28.82.48.12.719.84.637.28.729.87.016.22.914.02.624.03.312.00.8
not present59.14.060.57.530.15.340.05.238.53.872.810.274.56.677.47.672.29.349.912.362.711.976.66.676.25.862.95.762.21.8
total70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%present0.10.10.50.50.0.0.0.0.0.2.11.12.40.71.10.52.20.97.32.53.41.53.00.82.50.66.61.02.10.2
not present0.30.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.70.80.90.90.70.71.40.51.00.43.30.70.80.1
total0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
totalpresent11.31.15.31.60.50.50.60.41.50.513.52.411.51.59.21.622.12.644.64.833.33.919.21.816.51.530.71.814.20.5
not present88.71.194.71.699.50.599.40.498.50.586.52.488.51.590.81.677.92.655.44.866.73.980.81.883.51.569.31.885.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903335/367720
NFI4
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.0.0.40.40.0.0.0.0.20.20.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
not present30.51.634.43.270.23.059.52.660.02.112.92.313.81.613.51.84.31.25.41.93.61.42.60.75.90.93.20.621.80.5
total30.51.634.83.270.23.059.52.660.22.112.92.314.11.613.51.84.31.25.41.93.61.42.60.75.90.93.20.621.80.5
21-40 %present10.92.14.32.40.50.50.60.41.31.011.64.28.62.47.92.618.64.135.57.829.06.715.62.814.12.422.02.912.00.8
not present58.24.060.47.529.35.139.95.138.53.772.79.974.86.577.67.373.08.850.011.361.111.077.26.276.45.464.65.262.91.8
total69.14.864.78.629.85.140.55.239.84.084.310.883.47.085.58.091.79.785.514.090.113.092.86.790.66.086.55.974.91.9
over 100%present0.10.10.50.50.0.0.0.0.0.2.41.12.30.71.00.52.20.88.42.45.01.83.00.72.50.66.70.92.30.2
not present0.20.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.80.80.70.71.30.91.60.50.90.43.50.70.90.1
total0.40.20.50.50.0.0.0.0.0.2.81.12.50.71.00.54.11.29.12.56.32.04.60.93.50.710.21.13.20.2
totalpresent11.01.15.21.50.50.50.60.41.50.514.02.411.21.48.91.520.92.343.94.434.03.718.61.616.71.428.71.614.40.4
not present89.01.194.81.599.50.599.40.498.50.586.02.488.81.491.11.579.12.356.14.466.03.781.41.683.31.471.31.685.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903336/367721
NFI4
number of forest plots
slope (20% classes) · traces of rockfall
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
slope (20% classes)traces of rockfall %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%present0.0.0.40.40.0.0.0.0.20.20.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.10.10.10.0
not present30.71.633.83.270.33.059.82.659.72.112.62.314.11.513.31.84.41.25.11.83.31.33.00.75.70.83.30.621.40.5
total30.71.634.33.270.33.059.82.659.92.112.62.314.31.613.31.84.41.25.11.83.31.33.00.75.70.83.40.621.40.5
21-40 %present10.72.14.22.40.50.50.60.41.30.911.44.18.92.37.62.518.24.035.68.328.36.315.72.813.62.322.42.912.10.8
not present58.24.061.17.429.25.139.65.138.93.773.29.874.46.378.17.272.48.650.711.161.310.576.46.076.95.363.55.163.01.7
total68.94.765.38.629.75.140.25.240.14.084.610.783.36.885.77.890.69.486.313.789.612.492.16.590.55.885.95.775.11.9
over 100%present0.10.10.40.40.0.0.0.0.0.2.41.12.20.61.00.53.21.07.92.36.01.93.10.72.90.67.10.92.50.2
not present0.20.20.0.0.0.0.0.0.0.0.40.40.20.20.0.1.70.80.70.71.20.81.80.50.90.33.60.71.00.1
total0.40.20.40.40.0.0.0.0.0.2.71.12.40.71.00.54.91.38.62.47.12.04.90.93.80.710.71.13.50.2
totalpresent10.91.15.11.50.50.50.60.41.50.513.82.311.31.48.61.421.42.343.54.334.23.618.81.616.51.329.71.614.70.4
not present89.11.194.91.599.50.599.40.498.50.586.22.388.71.491.41.478.62.356.54.365.83.681.21.683.51.370.31.685.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903337/367722
NFI1
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %±
to 20%n/a0.0.0.10.10.0.0.0.0.0.0.00.0
present0.0.0.20.10.0.0.10.10.20.20.10.0
not present30.61.561.61.413.71.14.40.53.00.722.70.5
total30.61.561.81.413.71.14.60.53.10.722.80.5
21-40 %n/a0.0.0.0.0.0.0.10.10.0.0.00.0
present11.32.01.60.716.42.333.32.524.73.518.51.1
not present57.73.536.62.767.74.257.83.362.25.755.81.7
total69.04.338.22.884.24.891.24.086.96.574.32.0
over 100%n/a0.0.0.0.0.0.0.0.0.0.0.0.
present0.40.20.0.2.00.43.80.56.81.02.40.2
not present0.0.0.0.0.10.10.40.23.20.70.50.1
total0.40.20.0.2.10.44.20.59.91.22.90.2
totaln/a0.0.0.10.10.0.0.10.10.0.0.10.0
present11.71.01.80.418.51.237.31.231.61.921.00.5
not present88.31.098.10.481.51.262.61.268.41.979.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903338/367723
NFI1
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %±
to 20%n/a0.0.0.10.10.0.0.0.0.0.0.00.0
present0.0.0.20.10.0.0.10.10.20.20.10.0
not present31.31.561.51.413.51.14.50.53.30.722.60.5
total31.31.561.81.413.51.14.60.53.40.722.70.5
21-40 %n/a0.0.0.0.0.0.0.10.10.0.0.00.0
present11.12.01.60.716.22.333.32.523.83.418.41.0
not present57.23.436.62.668.14.157.53.262.35.655.71.7
total68.34.238.22.884.34.791.03.986.16.374.22.0
over 100%n/a0.0.0.0.0.0.0.0.0.0.0.0.
present0.40.20.0.2.10.44.10.57.51.02.60.2
not present0.0.0.0.0.10.10.30.13.00.70.50.1
total0.40.20.0.2.10.44.40.510.51.23.10.2
totaln/a0.0.0.10.10.0.0.10.10.0.0.10.0
present11.51.01.80.418.31.237.51.231.41.821.10.5
not present88.51.098.10.481.71.262.41.268.61.878.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903339/367724
NFI1
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %±
to 20%n/a0.0.0.00.00.0.0.0.0.0.0.00.0
present0.10.10.10.10.0.0.10.10.10.10.10.0
not present32.61.161.21.013.60.74.60.44.00.522.80.3
total32.61.161.41.013.60.74.70.44.10.522.90.3
21-40 %n/a0.0.0.0.0.0.0.10.10.0.0.00.0
present11.71.41.70.516.91.633.11.825.62.418.80.7
not present54.92.536.81.967.52.957.42.360.03.855.01.2
total66.63.038.52.084.43.490.62.885.64.473.91.4
over 100%n/a0.0.0.0.0.0.0.0.0.0.0.0.
present0.70.20.10.11.90.34.10.37.60.72.70.2
not present0.10.10.0.0.10.10.50.12.70.40.50.1
total0.80.20.10.12.10.34.70.410.30.83.20.2
totaln/a0.0.0.00.00.0.0.10.10.0.0.00.0
present12.50.71.90.318.80.837.30.833.31.321.60.4
not present87.50.798.10.381.20.862.50.866.71.378.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903340/367725
NFI2
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %±
to 20%present0.10.10.30.10.0.0.10.10.20.20.10.0
not present30.51.561.61.413.71.14.50.53.00.722.70.5
total30.61.561.81.413.71.14.60.53.10.722.80.5
21-40 %present8.91.81.10.612.22.023.72.116.72.913.30.9
not present60.23.737.12.772.04.467.63.570.26.061.01.8
total69.04.338.22.884.24.891.24.086.96.574.32.0
over 100%present0.20.10.0.1.70.43.10.46.11.02.00.2
not present0.20.10.0.0.40.21.10.33.80.80.90.1
total0.40.20.0.2.10.44.20.59.91.22.90.2
totalpresent9.20.91.30.313.91.126.81.123.01.715.40.5
not present90.80.998.70.386.11.173.21.177.01.784.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903341/367726
NFI2
number of forest plots
slope (20% classes) · traces of rockfall
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
slope (20% classes)traces of rockfall %± %± %± %± %± %±
to 20%present0.10.10.20.10.10.10.10.10.30.20.20.0
not present31.61.461.61.313.51.04.70.52.80.622.30.4
total31.71.461.91.313.61.04.90.53.00.622.40.5
21-40 %present8.51.60.90.512.41.923.31.916.72.613.30.8
not present59.43.437.22.571.94.067.63.270.45.461.31.7
total67.94.038.12.684.34.490.93.687.15.874.61.8
over 100%present0.20.10.0.1.70.43.10.46.60.92.10.2
not present0.20.10.0.0.40.21.10.23.30.60.80.1
total0.40.20.0.2.10.44.20.49.91.13.00.2
totalpresent8.80.81.10.314.11.026.61.023.51.515.60.4
not present91.20.898.90.385.91.073.41.076.51.584.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.09.2020 #903342/367727
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