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NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%0.90.32.21.05.91.55.61.26.21.01.10.80.80.40.0.0.0.0.0.0.0.0.0.0.0.0.0.1.50.2
21-40 %1.30.50.40.40.40.40.0.1.60.50.80.50.60.50.30.30.0.0.0.0.0.0.20.20.0.0.0.0.50.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.20.52.61.16.31.65.61.27.81.11.91.01.50.60.30.30.0.0.0.0.0.0.20.20.0.0.0.1.90.2
medium damageto 20%1.50.40.90.64.21.31.60.61.80.61.20.90.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.1
21-40 %0.50.20.0.0.50.50.0.0.60.31.20.80.0.0.30.30.40.40.0.0.0.0.0.0.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.00.50.90.64.71.41.60.62.40.72.41.20.40.30.30.30.40.40.0.0.0.0.0.0.10.10.0.1.00.1
severe damageto 20%0.80.30.0.1.70.81.10.60.60.30.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.30.1
21-40 %0.40.20.0.0.80.60.0.0.20.21.30.90.60.30.0.0.40.40.0.0.0.0.0.0.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.20.40.0.2.41.01.10.60.70.41.30.90.60.30.30.30.40.40.0.0.0.0.0.0.10.10.0.0.50.1
no vehicle tracks presentto 20%27.31.631.83.158.43.251.22.751.72.110.52.112.91.513.11.84.31.25.41.93.61.42.60.75.90.93.20.619.30.5
21-40 %66.94.864.38.628.15.140.55.237.43.981.110.782.26.985.07.990.99.685.514.090.113.092.66.790.36.086.55.974.01.9
over 100%0.40.20.50.50.0.0.0.0.0.2.81.12.50.71.00.54.11.29.12.56.32.04.60.93.50.710.21.13.20.2
total94.60.896.51.286.52.291.71.589.11.394.51.797.60.799.10.599.30.5100.0.100.0.99.80.299.70.2100.0.96.50.2
totalto 20%30.51.634.83.270.23.059.52.660.22.112.92.314.11.613.51.84.31.25.41.93.61.42.60.75.90.93.20.621.80.5
21-40 %69.14.864.78.629.85.140.55.239.84.084.310.883.47.085.58.091.79.785.514.090.113.092.86.790.66.086.55.974.91.9
over 100%0.40.20.50.50.0.0.0.0.0.2.81.12.50.71.00.54.11.29.12.56.32.04.60.93.50.710.21.13.20.2
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, 28.01.2021 #795066/261398
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %±
slight damageto 20%4.00.40.60.20.0.0.0.0.0.0.0.1.50.2
21-40 %1.00.30.40.30.10.10.20.20.0.0.0.0.50.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total5.00.41.10.30.10.10.20.20.0.0.0.2.00.2
medium damageto 20%1.70.30.40.20.0.0.0.0.0.0.0.0.70.1
21-40 %0.40.10.40.30.10.10.0.0.10.10.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.10.30.80.30.10.10.0.0.10.10.0.0.90.1
severe damageto 20%0.80.20.0.0.20.20.0.0.0.0.0.0.30.1
21-40 %0.30.10.50.20.0.0.0.0.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.10.20.50.20.20.20.0.0.10.10.0.0.50.1
no vehicle tracks presentto 20%41.31.09.40.99.41.12.60.65.80.83.40.619.10.4
21-40 %50.22.385.04.786.65.992.16.390.55.685.95.574.01.8
over 100%0.20.13.20.53.60.75.10.93.50.610.71.13.40.2
total91.70.697.60.499.60.299.80.299.70.2100.0.96.50.2
totalto 20%47.81.010.40.99.51.12.60.65.80.83.40.621.70.5
21-40 %51.92.386.44.786.95.992.26.390.85.685.95.575.01.8
over 100%0.20.13.20.53.60.75.10.93.50.610.71.13.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795067/261399
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %±
slight damageto 20%4.80.50.70.30.40.30.30.20.0.0.0.1.90.2
21-40 %1.40.41.50.60.70.40.0.0.30.30.40.30.90.2
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total6.20.52.20.51.10.40.30.20.30.20.40.22.80.2
medium damageto 20%2.30.30.10.10.0.0.0.0.0.0.0.0.80.1
21-40 %0.60.20.50.20.10.10.0.0.10.10.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total3.00.40.60.20.10.10.0.0.10.10.0.1.20.1
severe damageto 20%1.30.20.0.0.0.0.0.0.0.0.0.0.40.1
21-40 %0.40.10.70.40.0.0.0.0.0.0.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.30.70.30.0.0.0.0.0.0.0.0.70.1
no vehicle tracks presentto 20%39.41.010.21.08.71.12.60.75.70.83.40.618.20.5
21-40 %49.62.483.04.985.96.292.16.590.15.885.55.773.61.9
over 100%0.20.13.30.64.10.84.90.93.80.710.71.13.50.2
total89.10.796.50.698.70.499.70.299.60.299.60.295.20.3
totalto 20%47.81.111.01.09.11.13.00.75.70.83.40.621.40.5
21-40 %52.02.585.74.986.86.292.16.590.55.885.95.775.11.9
over 100%0.20.13.30.64.10.84.90.93.80.710.71.13.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795068/261400
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%1.00.42.21.06.21.65.61.26.31.01.20.80.90.40.0.0.0.0.0.0.0.0.0.0.0.0.0.1.60.2
21-40 %1.30.50.50.50.40.40.0.1.60.50.80.60.70.50.30.30.0.0.0.0.0.0.20.20.0.0.0.0.50.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.30.52.71.16.61.75.61.27.91.22.01.01.50.60.30.30.0.0.0.0.0.0.20.20.0.0.0.2.10.2
medium damageto 20%1.50.50.90.64.41.41.60.71.90.61.30.90.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.1
21-40 %0.50.30.0.0.50.50.0.0.60.41.20.90.0.0.30.30.40.40.0.0.0.0.0.0.20.20.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.10.50.90.64.91.41.60.72.50.72.61.30.40.30.30.30.40.40.0.0.0.0.0.0.20.20.0.1.10.1
severe damageto 20%0.90.30.0.1.70.91.10.60.60.30.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.30.1
21-40 %0.40.20.0.0.80.60.0.0.20.21.41.00.60.30.0.0.40.40.0.0.0.0.0.0.20.20.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.30.40.0.2.51.01.10.60.70.41.41.00.60.30.40.40.40.40.0.0.0.0.0.0.20.20.0.0.60.1
no vehicle tracks presentto 20%26.01.631.53.257.13.351.12.751.52.110.82.212.81.613.11.94.11.34.62.03.41.52.80.76.41.03.10.720.10.5
21-40 %68.04.964.58.728.95.240.65.237.44.080.811.082.17.184.98.291.110.287.115.492.514.092.57.289.96.586.96.573.22.0
over 100%0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
total94.40.996.41.286.02.391.71.588.91.494.01.897.50.799.10.599.20.6100.0.100.0.99.80.299.70.2100.0.96.20.3
totalto 20%29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
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, 28.01.2021 #795069/261401
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%1.20.42.81.15.31.46.31.26.11.00.90.70.90.40.0.0.0.0.0.0.0.0.0.0.0.0.0.1.50.1
21-40 %1.50.50.40.40.30.30.20.21.50.50.70.50.60.40.20.20.0.0.0.0.0.0.20.20.0.0.0.0.50.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.70.63.21.15.61.46.61.27.61.11.60.81.50.50.20.20.0.0.0.0.0.0.20.20.0.0.0.2.00.2
medium damageto 20%1.60.40.80.63.71.21.40.61.70.50.90.60.30.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.1
21-40 %0.40.20.0.0.40.40.50.40.50.31.30.80.20.20.20.20.30.30.0.0.0.0.0.0.10.10.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.00.50.80.64.21.21.90.72.20.62.21.00.50.30.20.20.30.30.0.0.0.0.0.0.10.10.0.0.90.1
severe damageto 20%0.70.30.0.1.80.81.20.60.50.30.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.30.1
21-40 %0.40.20.0.0.70.50.0.0.30.21.00.70.50.30.0.0.30.30.0.0.0.0.0.0.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.10.40.0.2.50.91.20.60.80.41.00.70.50.30.30.30.30.30.0.0.0.0.0.0.10.10.0.0.50.1
no vehicle tracks presentto 20%26.21.532.33.058.53.151.62.552.22.010.11.912.31.413.11.74.01.15.11.84.41.52.60.65.80.83.40.619.10.4
21-40 %67.54.563.38.229.34.838.74.837.33.782.39.982.66.685.37.491.08.986.113.190.212.292.16.390.55.685.95.574.01.8
over 100%0.60.30.40.40.0.0.0.0.0.2.71.02.60.70.90.44.41.18.82.35.41.75.10.93.50.610.71.13.40.2
total94.20.895.91.387.72.090.31.589.41.295.21.497.50.799.30.499.40.5100.0.100.0.99.80.299.70.2100.0.96.50.2
totalto 20%29.61.535.93.169.32.860.62.460.42.011.92.113.61.513.41.74.01.15.11.84.41.52.60.65.80.83.40.621.70.4
21-40 %69.84.563.78.230.74.939.44.839.63.785.310.083.86.685.77.491.69.086.113.190.212.292.26.390.85.685.95.575.01.8
over 100%0.60.30.40.40.0.0.0.0.0.2.71.02.60.70.90.44.41.18.82.35.41.75.10.93.50.610.71.13.40.2
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, 28.01.2021 #795070/261402
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%2.50.64.91.47.21.76.71.35.81.01.60.90.90.50.90.50.0.0.0.0.0.0.40.30.0.0.0.2.10.2
21-40 %2.10.82.31.41.70.90.20.20.90.41.60.92.31.11.40.90.70.70.0.0.0.0.0.0.40.40.50.41.10.2
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total4.60.87.21.78.91.96.91.36.71.13.21.33.20.82.40.80.70.50.0.0.0.0.40.30.40.20.50.33.20.2
medium damageto 20%1.40.40.90.64.41.43.71.02.70.70.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.1.00.1
21-40 %0.50.40.0.0.80.61.10.70.60.30.0.0.70.40.30.30.80.60.0.0.0.0.0.0.20.20.0.0.40.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.90.50.90.65.31.54.81.13.30.80.0.0.90.40.30.30.80.60.0.0.0.0.0.0.20.20.0.1.30.2
severe damageto 20%1.20.40.90.61.40.81.70.71.30.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.1
21-40 %0.80.30.0.0.0.0.30.30.30.22.81.60.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.10.50.90.61.40.82.00.71.60.52.81.20.50.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.1
no vehicle tracks presentto 20%24.21.627.93.056.43.347.42.650.42.111.72.413.01.612.51.84.11.34.62.03.41.52.40.76.41.03.10.719.30.5
21-40 %66.84.962.78.728.05.239.05.237.94.079.910.979.97.083.88.290.410.287.115.492.514.092.77.289.76.586.46.572.52.0
over 100%0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
total91.51.091.11.984.52.486.41.888.31.494.01.895.51.097.40.998.40.8100.0.100.0.99.60.399.50.399.50.394.70.3
totalto 20%29.31.734.63.269.43.159.42.660.22.113.32.514.11.613.41.94.11.34.62.03.41.52.80.76.41.03.10.722.90.5
21-40 %70.34.964.98.730.65.340.65.239.84.084.211.183.37.185.58.292.010.387.115.492.514.092.77.290.26.586.96.574.22.0
over 100%0.40.20.50.50.0.0.0.0.0.2.51.12.60.71.10.53.91.28.22.64.11.74.50.93.40.79.91.22.90.2
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, 28.01.2021 #795071/261403
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%0.90.32.21.05.81.55.51.26.11.01.10.80.80.40.0.0.0.0.0.0.0.0.0.0.0.0.0.1.50.2
21-40 %1.30.50.40.40.40.40.0.1.60.50.70.50.60.50.30.30.0.0.0.0.0.0.20.20.0.0.0.0.50.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.20.52.61.16.21.65.51.27.71.11.80.91.50.60.30.30.0.0.0.0.0.0.20.20.0.0.0.1.90.2
medium damageto 20%1.50.40.90.64.21.31.60.61.80.61.20.90.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.1
21-40 %0.50.20.0.0.50.50.0.0.60.31.10.80.0.0.30.30.30.30.0.0.0.0.0.0.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.00.50.90.64.61.41.60.62.40.72.31.20.40.30.30.30.30.30.0.0.0.0.0.0.10.10.0.1.00.1
severe damageto 20%0.80.30.0.1.60.81.10.60.60.30.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.30.1
21-40 %0.40.20.0.0.80.50.0.0.20.21.30.90.50.30.0.0.40.40.0.0.0.0.0.0.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.20.40.0.2.41.01.10.60.70.41.30.90.50.30.30.30.40.40.0.0.0.0.0.0.10.10.0.0.50.1
no vehicle tracks presentto 20%27.51.631.83.158.63.251.22.651.92.110.32.112.71.513.11.84.11.25.31.94.81.62.60.76.00.93.30.619.30.5
21-40 %66.84.764.38.628.15.040.75.237.23.981.110.682.46.985.07.990.99.585.013.889.112.892.56.790.25.986.25.874.01.9
over 100%0.40.20.50.50.0.0.0.0.0.3.21.22.50.71.00.54.31.29.72.66.11.94.70.93.60.710.51.13.30.2
total94.70.896.51.286.82.291.81.489.11.394.61.797.60.799.20.599.30.5100.0.100.0.99.80.299.70.2100.0.96.60.2
totalto 20%30.71.634.83.270.23.059.32.660.42.112.62.313.91.613.51.84.11.25.31.94.81.62.60.76.00.93.30.621.80.5
21-40 %69.04.864.78.629.85.140.75.239.64.084.310.683.66.985.57.991.69.585.013.889.112.892.76.790.55.986.25.874.91.9
over 100%0.40.20.50.50.0.0.0.0.0.3.21.22.50.71.00.54.31.29.72.66.11.94.70.93.60.710.51.13.30.2
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, 28.01.2021 #795072/261404
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%2.70.64.81.46.91.76.61.35.81.01.50.90.90.40.80.50.0.0.0.0.0.0.40.30.0.0.0.2.00.2
21-40 %2.00.82.21.41.60.80.20.20.90.41.50.92.21.11.40.90.60.60.0.0.0.0.0.0.30.30.40.31.00.2
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total4.70.87.11.78.61.86.91.36.81.13.01.23.00.82.20.80.60.50.0.0.0.0.40.30.30.20.40.23.00.2
medium damageto 20%1.40.40.80.64.31.33.71.02.70.70.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.1
21-40 %0.50.30.0.1.30.71.10.70.60.30.0.0.70.40.30.30.70.50.0.0.0.0.0.0.10.10.0.0.40.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.90.50.80.65.51.54.71.13.30.80.0.0.80.40.30.30.70.50.0.0.0.0.0.0.10.10.0.1.20.1
severe damageto 20%1.20.40.90.61.30.81.70.71.30.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.1
21-40 %0.80.30.0.0.0.0.30.30.30.22.61.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.00.50.90.61.30.82.00.71.60.52.61.20.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.1
no vehicle tracks presentto 20%25.21.628.33.057.73.247.52.650.42.111.32.213.01.512.61.84.31.25.41.93.61.42.30.65.90.93.20.618.50.5
21-40 %65.84.762.58.626.95.038.95.238.03.980.310.780.16.983.97.990.39.685.514.090.113.092.86.790.16.086.15.973.31.9
over 100%0.40.20.50.50.0.0.0.0.0.2.81.12.50.71.00.54.11.29.12.56.32.04.60.93.50.710.21.13.20.2
total91.41.091.21.984.62.486.41.888.41.494.41.795.70.997.50.898.60.7100.0.100.0.99.60.399.60.399.60.295.00.3
totalto 20%30.51.634.83.270.23.059.52.660.22.112.92.314.11.613.51.84.31.25.41.93.61.42.60.75.90.93.20.621.80.5
21-40 %69.14.864.78.629.85.140.55.239.84.084.310.883.47.085.58.091.79.785.514.090.113.092.86.790.66.086.55.974.91.9
over 100%0.40.20.50.50.0.0.0.0.0.2.81.12.50.71.00.54.11.29.12.56.32.04.60.93.50.710.21.13.20.2
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, 28.01.2021 #795073/261405
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %±
slight damageto 20%1.20.46.10.70.60.30.0.0.0.1.60.2
21-40 %1.20.40.90.30.60.30.10.10.0.0.50.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total2.40.57.00.81.20.40.10.10.0.2.10.2
medium damageto 20%1.40.42.30.50.40.20.0.0.0.0.80.1
21-40 %0.40.20.40.20.30.20.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.80.42.70.50.70.30.10.10.0.1.10.1
severe damageto 20%0.70.31.00.30.10.10.0.0.0.0.40.1
21-40 %0.30.20.30.20.50.20.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.00.31.30.30.60.20.10.10.0.0.60.1
no vehicle tracks presentto 20%27.31.452.41.512.51.14.60.53.10.720.00.5
21-40 %67.14.336.72.882.84.890.94.086.96.573.22.0
over 100%0.40.20.0.2.10.44.20.59.91.22.90.2
total94.80.789.00.997.40.599.70.1100.0.96.20.3
totalto 20%30.61.561.81.413.71.14.60.53.10.722.80.5
21-40 %69.04.338.22.884.24.891.24.086.96.574.32.0
over 100%0.40.20.0.2.10.44.20.59.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795074/261406
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%2.60.64.81.46.91.76.61.35.81.01.50.90.80.40.80.50.0.0.0.0.0.0.30.20.0.0.0.1.90.2
21-40 %2.00.82.21.41.60.80.20.20.90.41.50.92.11.11.30.80.60.60.0.0.0.0.0.0.30.30.40.30.90.2
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total4.60.86.91.78.51.86.81.36.71.12.91.22.90.82.10.80.60.40.0.0.0.0.30.20.30.20.40.22.90.2
medium damageto 20%1.40.40.80.64.21.33.61.02.70.70.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.1
21-40 %0.50.30.0.1.20.71.10.70.60.30.0.0.60.40.20.20.70.50.0.0.0.0.0.0.10.10.0.0.40.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.90.50.80.65.51.54.71.13.20.80.0.0.80.40.20.20.70.50.0.0.0.0.0.0.10.10.0.1.20.1
severe damageto 20%1.20.40.90.61.30.81.70.71.30.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.1
21-40 %0.80.30.0.0.0.0.30.30.30.22.51.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.00.50.90.61.30.82.00.71.60.52.51.10.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.1
no vehicle tracks presentto 20%25.51.627.83.057.93.247.92.650.22.111.12.213.31.512.51.74.41.25.11.83.31.32.60.75.70.83.40.618.20.4
21-40 %65.64.763.18.526.85.038.65.138.43.980.710.680.26.784.27.889.39.486.313.789.612.492.16.590.15.885.55.773.51.9
over 100%0.40.20.40.40.0.0.0.0.0.2.71.12.40.71.00.54.91.38.62.47.12.04.90.93.80.710.71.13.50.2
total91.51.091.41.884.72.486.51.888.51.494.51.695.90.997.60.898.70.7100.0.100.0.99.70.299.60.299.60.295.20.3
totalto 20%30.71.634.33.270.33.059.82.659.92.112.62.314.31.613.31.84.41.25.11.83.31.33.00.75.70.83.40.621.40.5
21-40 %68.94.765.38.629.75.140.25.240.14.084.610.783.36.885.77.890.69.486.313.789.612.492.16.590.55.885.95.775.11.9
over 100%0.40.20.40.40.0.0.0.0.0.2.71.12.40.71.00.54.91.38.62.47.12.04.90.93.80.710.71.13.50.2
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, 28.01.2021 #795075/261407
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %±
slight damageto 20%3.00.66.40.71.10.30.10.10.0.2.10.2
21-40 %2.20.70.90.31.90.70.20.20.50.41.10.2
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total5.20.77.30.82.90.50.40.20.50.33.20.2
medium damageto 20%1.30.43.40.50.10.10.0.0.0.0.90.1
21-40 %0.40.30.80.30.40.20.20.10.0.0.40.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.44.20.60.50.20.20.10.0.1.30.2
severe damageto 20%1.20.31.40.40.0.0.0.0.0.0.50.1
21-40 %0.60.30.30.10.70.40.0.0.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.80.41.70.40.70.30.0.0.0.0.80.1
no vehicle tracks presentto 20%25.11.450.71.512.61.14.40.53.10.719.30.5
21-40 %65.84.236.22.881.24.890.84.086.46.572.52.0
over 100%0.40.20.0.2.10.44.20.59.91.22.90.2
total91.30.986.91.095.90.699.40.299.50.394.70.3
totalto 20%30.61.561.81.413.71.14.60.53.10.722.80.5
21-40 %69.04.338.22.884.24.891.24.086.96.574.32.0
over 100%0.40.20.0.2.10.44.20.59.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795076/261408
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %±
slight damageto 20%1.20.36.00.70.60.20.0.0.0.1.50.2
21-40 %1.10.40.90.30.50.30.10.10.0.0.50.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total2.30.56.90.71.20.30.10.10.0.2.00.2
medium damageto 20%1.30.42.30.40.40.20.0.0.0.0.80.1
21-40 %0.40.20.40.20.30.20.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.42.60.50.70.30.10.10.0.1.00.1
severe damageto 20%0.60.31.00.30.10.10.0.0.0.0.30.1
21-40 %0.30.20.30.20.50.20.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total0.90.31.30.30.60.20.10.10.0.0.50.1
no vehicle tracks presentto 20%28.31.452.81.512.51.04.50.53.20.619.30.5
21-40 %66.34.236.42.783.04.790.73.786.55.974.01.9
over 100%0.40.20.0.2.10.44.50.510.21.13.20.2
total95.00.789.30.997.60.599.70.1100.0.96.50.2
totalto 20%31.51.562.11.413.61.14.50.53.20.621.80.5
21-40 %68.14.237.92.884.34.791.03.786.55.974.91.9
over 100%0.40.20.0.2.10.44.50.510.21.13.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795077/261409
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %±
slight damageto 20%3.20.66.30.71.00.30.10.10.0.2.00.2
21-40 %2.10.70.90.31.70.70.20.10.40.31.00.2
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total5.20.77.20.82.70.50.30.10.40.23.00.2
medium damageto 20%1.30.43.30.50.10.10.0.0.0.0.90.1
21-40 %0.40.30.90.30.40.20.20.10.0.0.40.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.44.20.60.50.20.20.10.0.1.20.1
severe damageto 20%1.10.31.40.40.0.0.0.0.0.0.50.1
21-40 %0.60.30.30.10.70.40.0.0.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.41.70.40.70.20.0.0.0.0.70.1
no vehicle tracks presentto 20%25.91.451.11.512.61.04.40.53.20.618.50.5
21-40 %65.04.135.92.781.54.790.63.786.15.973.31.9
over 100%0.40.20.0.2.10.44.50.510.21.13.20.2
total91.30.987.01.096.10.699.50.299.60.295.10.3
totalto 20%31.51.562.11.413.61.14.50.53.20.621.80.5
21-40 %68.14.237.92.884.34.791.03.786.55.974.91.9
over 100%0.40.20.0.2.10.44.50.510.21.13.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795078/261410
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%78.89.4....87.48.349.435.477.311.9......19.717.868.618.182.416.2....100.0.100.0.72.716.90.0.59.221.0....83.011.00.0...84.98.175.74.0
21-40 %21.29.4....12.68.350.635.422.711.9......80.317.831.428.617.616.2....0.0.0.0.27.316.9100.0.40.821.0....17.016.3100.0...15.18.124.35.4
over 100%0.0.....0.0.0.0.0.0.......0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.....0.0.0.0...0.0.0.0.
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.
medium damageto 20%74.522.0....84.814.1100.0.69.518.5....0.0.48.425.1100.0.77.119.8..100.0.0.0...39.233.7..100.0.....91.87.9....84.614.176.55.7
21-40 %25.522.0....15.214.10.0.30.518.5....100.0.51.625.10.0.22.919.8..0.0.100.070.1..60.833.7..0.0.....8.27.9....15.414.123.57.2
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0...0.0.0.0...0.0...0.0.....0.0.....0.0.0.0.
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.
severe damageto 20%100.0.....44.518.9100.0.25.022.0....0.0.100.0...100.0.....100.0...60.833.7..100.0.....63.816.9....0.0.58.78.9
21-40 %0.0.....55.518.90.0.75.022.0....100.0.0.0...0.0.....0.0...39.233.7..0.0.....36.216.9....100.0.41.38.9
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0...0.0.....0.0...0.0...0.0.....0.0.....0.0.0.0.
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.
no vehicle tracks presentto 20%46.03.47.05.08.13.924.81.527.24.939.53.587.512.43.92.25.50.825.53.522.12.925.43.96.04.310.33.019.12.440.76.627.63.810.32.666.44.83.60.81.51.539.12.42.80.731.79.250.13.420.80.5
21-40 %54.07.588.931.591.920.372.75.371.515.159.29.712.512.492.118.289.75.973.911.277.910.273.911.580.727.587.916.979.310.159.311.872.411.984.113.333.67.486.87.392.719.660.46.692.77.268.321.149.97.676.12.1
over 100%0.0.4.14.10.0.2.40.61.31.31.30.90.0.3.92.24.80.80.60.60.0.0.70.713.36.51.91.31.60.80.0.0.0.5.72.10.0.9.61.35.82.90.50.34.50.90.0.0.0.3.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%49.63.37.05.08.13.926.81.530.94.942.43.387.512.43.92.25.50.826.83.424.52.930.13.96.04.311.23.119.52.441.66.630.03.810.22.666.74.63.60.81.51.542.12.32.80.731.79.253.93.222.90.5
21-40 %50.46.988.931.591.920.370.95.167.914.356.48.712.512.492.118.289.75.972.610.775.59.869.210.780.727.586.916.778.910.058.411.670.011.384.213.333.37.086.87.392.719.657.56.292.77.268.321.146.16.874.22.0
over 100%0.0.4.14.10.0.2.30.51.31.31.10.80.0.3.92.24.80.80.60.60.0.0.70.713.36.51.81.31.60.80.0.0.0.5.62.10.0.9.61.35.82.90.40.34.50.90.0.0.0.2.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795079/261411
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %±
slight damageto 20%1.50.46.10.70.60.20.0.0.0.1.60.2
21-40 %1.30.40.80.30.50.30.00.00.0.0.50.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total2.80.56.90.71.10.30.00.00.0.2.00.2
medium damageto 20%1.40.42.00.40.30.20.0.0.0.0.70.1
21-40 %0.40.20.50.20.40.30.10.10.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.42.50.40.70.20.10.10.0.0.90.1
severe damageto 20%0.60.21.00.30.10.10.0.0.0.0.30.1
21-40 %0.30.20.30.20.40.20.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total0.80.31.30.30.50.20.10.10.0.0.50.1
no vehicle tracks presentto 20%27.51.353.31.412.20.94.40.43.40.619.10.4
21-40 %66.53.936.02.583.44.490.73.585.95.574.01.8
over 100%0.50.20.0.2.10.44.60.510.71.13.40.2
total94.60.789.20.997.70.499.80.1100.0.96.50.2
totalto 20%31.01.462.41.313.31.04.40.43.40.621.70.4
21-40 %68.54.037.62.684.64.491.03.585.95.575.01.8
over 100%0.50.20.0.2.10.44.60.510.71.13.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795080/261412
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %±
slight damageto 20%1.20.35.90.70.60.20.0.0.0.1.50.2
21-40 %1.10.40.90.30.50.30.10.10.0.0.50.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total2.30.56.80.71.10.30.10.10.0.1.90.2
medium damageto 20%1.30.42.30.40.40.20.0.0.0.0.70.1
21-40 %0.40.20.40.20.30.20.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.42.60.50.70.30.10.10.0.1.00.1
severe damageto 20%0.60.31.00.30.10.10.0.0.0.0.30.1
21-40 %0.30.20.30.20.50.20.10.10.0.0.20.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total0.90.31.20.30.60.20.10.10.0.0.50.1
no vehicle tracks presentto 20%28.51.453.01.512.41.04.50.53.30.619.30.5
21-40 %66.24.136.42.783.14.690.53.786.25.874.01.9
over 100%0.40.20.0.2.20.44.70.510.51.13.30.2
total95.00.789.40.997.60.599.70.1100.0.96.60.2
totalto 20%31.61.562.21.413.51.04.50.53.30.621.80.5
21-40 %68.04.237.82.784.34.790.83.786.25.874.91.9
over 100%0.40.20.0.2.20.44.70.510.51.13.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795081/261413
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %±
slight damageto 20%3.10.66.30.71.00.30.10.10.0.1.90.2
21-40 %2.00.70.90.31.70.60.20.10.40.30.90.2
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total5.20.77.10.82.70.50.30.10.40.22.90.2
medium damageto 20%1.30.43.30.50.10.10.0.0.0.0.90.1
21-40 %0.40.30.90.30.40.20.20.10.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.44.10.60.50.20.20.10.0.1.20.1
severe damageto 20%1.10.31.40.30.0.0.0.0.0.0.40.1
21-40 %0.60.20.20.10.60.40.0.0.0.0.30.1
over 100%0.0.0.0.0.0.0.0.0.0.0.0.
total1.70.41.60.40.60.20.0.0.0.0.70.1
no vehicle tracks presentto 20%26.01.451.11.512.61.04.40.53.40.618.20.4
21-40 %65.04.136.02.781.64.690.33.685.55.773.51.9
over 100%0.40.20.0.2.00.44.90.510.71.13.50.2
total91.40.987.11.096.30.699.50.299.60.295.20.3
totalto 20%31.61.562.01.413.71.04.50.53.40.621.40.5
21-40 %68.14.138.02.784.34.690.63.685.95.775.11.9
over 100%0.40.20.0.2.00.44.90.510.71.13.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795082/261414
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%78.89.4....87.48.349.435.477.311.9......19.717.868.618.182.416.2....100.0.100.0.72.716.90.0.59.221.0....83.011.00.0...84.98.175.74.0
21-40 %21.29.4....12.68.350.635.422.711.9......80.317.831.428.617.616.2....0.0.0.0.27.316.9100.0.40.821.0....17.016.3100.0...15.18.124.35.4
over 100%0.0.....0.0.0.0.0.0.......0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.....0.0.0.0...0.0.0.0.
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.
medium damageto 20%74.522.0....84.814.1100.0.69.518.5....0.0.48.425.1100.0.77.119.8..100.0.0.0...39.233.7..100.0.....91.87.9....84.614.176.55.7
21-40 %25.522.0....15.214.10.0.30.518.5....100.0.51.625.10.0.22.919.8..0.0.100.070.1..60.833.7..0.0.....8.27.9....15.414.123.57.2
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0...0.0.0.0...0.0...0.0.....0.0.....0.0.0.0.
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.
severe damageto 20%100.0.....44.518.9100.0.25.022.0....0.0.100.0...100.0.....100.0...60.833.7..100.0.....63.816.9....0.0.58.78.9
21-40 %0.0.....55.518.90.0.75.022.0....100.0.0.0...0.0.....0.0...39.233.7..0.0.....36.216.9....100.0.41.38.9
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0...0.0.....0.0...0.0...0.0.....0.0.....0.0.0.0.
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.
no vehicle tracks presentto 20%46.83.46.84.98.13.924.01.528.24.838.43.489.510.56.12.75.20.726.13.521.62.827.03.85.23.810.83.018.52.340.76.627.93.79.82.467.94.73.70.83.52.039.32.22.60.728.78.549.93.420.00.5
21-40 %53.27.489.330.791.920.373.55.270.514.659.89.510.510.590.416.989.45.473.311.178.49.972.311.083.126.587.416.478.59.559.311.872.111.783.112.532.17.186.76.590.717.459.86.292.76.771.319.750.17.676.62.0
over 100%0.0.3.93.90.0.2.50.51.31.31.71.00.0.3.52.05.40.80.60.60.0.0.70.711.75.71.81.33.01.10.0.0.0.7.12.20.0.9.61.25.92.60.80.44.70.90.0.0.0.3.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%50.23.26.84.98.13.925.81.531.64.841.33.289.510.56.12.75.20.727.33.423.92.931.33.95.23.811.73.118.92.341.66.630.23.79.72.468.14.53.70.83.52.042.02.22.60.728.78.553.73.221.80.5
21-40 %49.86.889.330.791.920.371.75.067.213.857.18.610.510.590.416.989.45.472.110.776.19.668.010.383.126.586.516.278.19.458.411.669.811.183.212.431.96.886.76.590.717.457.25.892.76.771.319.746.36.874.81.9
over 100%0.0.3.93.90.0.2.40.51.21.21.60.90.0.3.52.05.40.80.60.60.0.0.60.611.75.71.71.33.01.00.0.0.0.7.12.20.0.9.61.25.92.60.80.44.70.90.0.0.0.3.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795083/261415
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%79.69.1....80.68.769.026.375.612.4......19.817.981.511.884.614.3....100.0.100.0.59.715.30.0.68.018.3....85.29.70.0...85.87.675.93.7
21-40 %20.49.1....19.48.731.026.324.412.4......80.217.918.517.615.414.3....0.0.0.0.40.325.0100.0.32.018.3....14.814.2100.0...14.27.624.15.1
over 100%0.0.....0.0.0.0.0.0.......0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.....0.0.0.0...0.0.0.0.
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.
medium damageto 20%74.921.8....63.417.0100.0.59.118.5....0.0.64.619.865.527.778.718.8..100.0.0.0...40.434.1..100.0.....91.48.2....84.614.172.35.7
21-40 %25.121.8....36.617.00.0.40.918.5....100.0.35.419.834.527.721.318.8..0.0.100.070.1..59.634.1..0.0.....8.68.2....15.414.127.77.6
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0...0.0.0.0...0.0...0.0.....0.0.....0.0.0.0.
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.
severe damageto 20%100.0.....51.517.7100.0.25.021.9....0.0.100.0...100.0.....100.0...59.634.1..53.335.2....67.815.5....0.0.59.88.4
21-40 %0.0.....48.517.70.0.75.021.9....100.0.0.0...0.0.....0.0...40.434.1..46.735.2....32.215.5....100.0.40.28.4
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0...0.0.....0.0...0.0...0.0.....0.0.....0.0.0.0.
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.
no vehicle tracks presentto 20%47.93.25.33.811.24.323.61.427.94.636.43.290.59.55.42.45.20.725.83.323.72.825.63.64.43.112.13.118.12.243.46.526.93.49.62.367.84.43.60.73.21.938.42.12.70.626.77.950.73.219.80.5
21-40 %52.17.091.528.088.819.973.84.971.014.162.19.09.59.591.716.389.55.173.110.676.39.173.010.484.025.286.315.379.28.956.611.373.111.084.211.732.26.786.46.291.516.260.95.992.26.373.320.649.37.176.71.9
over 100%0.0.3.23.20.0.2.50.51.11.11.50.80.0.2.91.65.30.71.10.80.0.1.30.911.65.11.61.22.60.90.0.0.0.6.31.90.0.9.91.15.32.30.80.45.10.90.0.0.0.3.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%51.13.15.33.811.24.325.41.431.84.638.83.090.59.55.42.45.20.727.63.326.92.830.03.64.43.112.93.218.52.244.26.429.33.39.52.367.74.23.60.73.21.941.12.12.60.626.77.954.23.021.70.5
21-40 %48.96.591.528.088.819.972.14.867.113.359.88.39.59.591.716.389.55.171.310.273.18.768.79.784.025.285.415.178.98.855.811.170.710.484.311.632.36.486.46.291.516.258.25.692.26.373.320.645.86.475.01.8
over 100%0.0.3.23.20.0.2.40.51.11.11.30.80.0.2.91.65.30.71.10.70.0.1.20.911.65.11.61.22.60.90.0.0.0.6.21.90.0.9.91.15.32.30.70.45.10.90.0.0.0.3.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795084/261416
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%78.89.4....87.48.349.435.477.311.9......19.717.868.618.182.416.2....100.0.100.0.72.716.90.0.59.221.0....83.011.00.0...84.98.175.74.0
21-40 %21.29.4....12.68.350.635.422.711.9......80.317.831.428.617.616.2....0.0.0.0.27.316.9100.0.40.821.0....17.016.3100.0...15.18.124.35.4
over 100%0.0.....0.0.0.0.0.0.......0.0.0.0.0.0.....0.0.0.0.0.0.0.0.0.0.....0.0.0.0...0.0.0.0.
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.
medium damageto 20%74.522.0....84.814.1100.0.69.518.5....0.0.48.425.1100.0.77.119.8..100.0.0.0...39.233.7..100.0.....91.87.9....84.614.176.55.7
21-40 %25.522.0....15.214.10.0.30.518.5....100.0.51.625.10.0.22.919.8..0.0.100.070.1..60.833.7..0.0.....8.27.9....15.414.123.57.2
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0...0.0.0.0...0.0...0.0.....0.0.....0.0.0.0.
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.
severe damageto 20%100.0.....44.518.9100.0.25.022.0....0.0.100.0...100.0.....100.0...60.833.7..100.0.....63.816.9....0.0.58.78.9
21-40 %0.0.....55.518.90.0.75.022.0....100.0.0.0...0.0.....0.0...39.233.7..0.0.....36.216.9....100.0.41.38.9
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0...0.0.....0.0...0.0...0.0.....0.0.....0.0.0.0.
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.
no vehicle tracks presentto 20%46.53.46.84.98.13.924.41.528.24.838.83.489.510.54.72.35.20.825.73.521.52.926.83.95.23.810.83.018.32.340.76.627.73.89.92.467.34.73.60.83.62.039.32.32.60.729.68.749.93.420.00.5
21-40 %53.57.489.330.791.920.373.25.270.514.659.49.510.510.591.717.189.75.573.711.278.510.072.511.283.126.587.416.478.69.659.311.872.311.883.612.532.77.286.86.690.417.660.16.392.86.770.420.250.17.676.62.0
over 100%0.0.3.93.90.0.2.40.51.31.31.81.00.0.3.62.05.10.70.60.60.0.0.70.711.75.71.81.33.11.10.0.0.0.6.52.10.0.9.61.26.02.60.60.44.60.90.0.0.0.3.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%50.03.26.84.98.13.926.31.531.64.841.73.289.510.54.72.35.20.826.93.423.92.931.33.95.23.811.73.118.72.341.66.630.03.79.92.467.54.53.60.83.62.042.02.22.60.729.68.753.73.221.80.5
21-40 %50.06.889.330.791.920.371.45.167.213.856.78.610.510.591.717.189.75.472.510.876.19.768.110.583.126.586.516.278.29.558.411.670.011.283.712.532.56.986.86.690.417.657.45.992.86.770.420.246.36.874.91.9
over 100%0.0.3.93.90.0.2.30.51.21.21.60.90.0.3.62.05.10.70.60.60.0.0.70.711.75.71.71.33.11.10.0.0.0.6.52.10.0.9.61.26.02.60.60.34.60.90.0.0.0.3.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795085/261417
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%72.210.6....60.210.385.513.671.911.0....0.0.33.319.461.814.880.013.1..0.0.56.422.6100.0.77.411.80.0.78.418.20.0...73.89.3100.0.0.0.77.89.967.23.6
21-40 %27.816.2....39.814.314.513.628.111.0....100.070.766.735.938.230.020.019.3..100.0.43.637.90.0.22.611.8100.070.521.618.2100.055.6..26.213.00.0.100.0.22.29.932.86.1
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.
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.
medium damageto 20%89.89.7....75.19.7100.0.82.615.8....0.0.75.421.533.419.30.0.....0.0.100.0.0.0...100.0.....80.612.4....69.017.971.85.4
21-40 %10.29.7....24.913.60.0.17.415.8....100.0.24.621.566.636.1100.0.....100.0.0.0.100.0...0.0.....19.412.4....31.017.928.27.1
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0.....0.0.0.0.0.0...0.0.....0.0.....0.0.0.0.
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.
severe damageto 20%100.0.....49.815.9100.0.22.119.5......50.035.451.135.3100.0.....0.0.......100.0.....68.514.9....50.035.562.17.5
21-40 %0.0.....50.225.30.0.77.936.7......50.035.448.935.30.0.....100.0.......0.0.....31.514.9....50.035.537.911.6
over 100%0.0.....0.0.0.0.0.0.......0.0.0.0.0.0.....0.0.......0.0.....0.0.....0.0.0.0.
total100.0.....100.0.100.0.100.0.......100.0.100.0.100.0.....100.0.......100.0.....100.0.....100.0.100.0.
no vehicle tracks presentto 20%44.33.57.05.08.13.924.11.523.34.838.23.687.512.43.92.25.50.825.03.521.73.025.93.96.04.311.53.119.02.535.06.826.63.810.42.664.94.93.60.81.51.538.82.42.40.732.89.451.43.420.30.5
21-40 %55.77.788.931.591.920.373.45.475.315.760.410.012.512.492.118.289.75.974.411.278.310.573.311.480.727.586.616.979.410.265.012.673.412.083.913.435.17.586.77.392.719.660.76.793.17.267.221.648.67.576.62.1
over 100%0.0.4.14.10.0.2.50.61.41.41.31.00.0.3.92.24.80.80.60.60.0.0.70.713.36.51.91.31.60.80.0.0.0.5.72.10.0.9.61.35.82.90.50.44.50.90.0.0.0.3.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%49.63.37.05.08.13.926.81.530.94.942.43.387.512.43.92.25.50.826.83.424.52.930.13.96.04.311.23.119.52.441.66.630.03.810.22.666.74.63.60.81.51.542.12.32.80.731.79.253.93.222.90.5
21-40 %50.46.988.931.591.920.370.95.167.914.356.48.712.512.492.118.289.75.972.610.775.59.869.210.780.727.586.916.778.910.058.411.670.011.384.213.333.37.086.87.392.719.657.56.292.77.268.321.146.16.874.22.0
over 100%0.0.4.14.10.0.2.30.51.31.31.10.80.0.3.92.24.80.80.60.60.0.0.70.713.36.51.81.31.60.80.0.0.0.5.62.10.0.9.61.35.82.90.40.34.50.90.0.0.0.2.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795086/261418
NFI3
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %±
slight damageto 20%79.34.056.514.90.0.0.0.....75.64.0
21-40 %20.74.943.522.2100.0.100.0.....24.45.3
over 100%0.0.0.0.0.0.0.0.....0.0.
total100.0.100.0.100.0.100.0.....100.0.
medium damageto 20%83.15.458.518.60.0...0.0...77.15.6
21-40 %16.95.441.518.6100.0...100.0...22.97.1
over 100%0.0.0.0.0.0...0.0...0.0.
total100.0.100.0.100.0...100.0...100.0.
severe damageto 20%74.29.10.0.100.0...0.0...58.68.8
21-40 %25.89.1100.0.0.0...100.0...41.48.8
over 100%0.0.0.0.0.0...0.0...0.0.
total100.0.100.0.100.0...100.0...100.0.
no vehicle tracks presentto 20%44.41.110.31.09.21.22.80.76.41.03.10.720.80.5
21-40 %55.42.786.65.387.56.792.77.290.26.586.96.576.22.1
over 100%0.20.13.10.63.20.74.50.93.50.79.91.23.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%47.41.111.11.09.41.22.80.76.41.03.10.722.80.5
21-40 %52.52.585.95.287.46.792.77.290.26.586.96.574.32.0
over 100%0.20.13.00.63.20.74.50.93.40.79.91.22.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795087/261419
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
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
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%72.210.6....60.210.385.513.671.911.0....0.0.33.319.461.814.880.013.1..0.0.56.422.6100.0.77.411.80.0.80.816.50.0...76.28.6100.0.0.0.77.89.967.73.6
21-40 %27.816.2....39.814.314.513.628.111.0....100.070.766.735.938.230.020.019.3..100.0.43.637.90.0.22.611.8100.070.519.216.5100.055.6..23.811.90.0.100.0.22.29.932.36.0
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.
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.
medium damageto 20%89.89.7....75.19.7100.0.82.615.8....0.0.75.421.533.419.30.0.....0.0.100.0.0.0...100.0.....73.013.4....69.017.971.35.3
21-40 %10.29.7....24.913.60.0.17.415.8....100.0.24.621.566.636.1100.0.....100.0.0.0.100.0...0.0.....27.013.4....31.017.928.77.0
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0.....0.0.0.0.0.0...0.0.....0.0.....0.0.0.0.
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.
severe damageto 20%100.0.....49.815.9100.0.22.119.5......50.035.451.135.3100.0.....0.0.......100.0.....68.514.9....50.035.562.17.5
21-40 %0.0.....50.225.30.0.77.936.7......50.035.448.935.30.0.....100.0.......0.0.....31.514.9....50.035.537.911.6
over 100%0.0.....0.0.0.0.0.0.......0.0.0.0.0.0.....0.0.......0.0.....0.0.....0.0.0.0.
total100.0.....100.0.100.0.100.0.......100.0.100.0.100.0.....100.0.......100.0.....100.0.....100.0.100.0.
no vehicle tracks presentto 20%44.93.46.84.97.83.723.81.523.14.637.23.589.510.54.32.15.00.724.83.420.82.928.64.05.13.712.23.117.12.234.46.727.23.810.52.566.14.83.90.83.41.938.72.32.70.729.38.650.33.419.10.5
21-40 %55.17.689.330.792.219.873.65.275.615.161.09.810.510.591.016.789.65.374.511.279.210.370.711.083.526.186.215.779.59.465.612.472.811.883.112.633.97.386.06.490.817.260.56.392.46.570.720.149.77.477.22.0
over 100%0.0.3.93.90.0.2.70.61.31.31.81.10.0.4.62.35.40.70.60.60.0.0.70.711.45.61.71.23.41.10.0.0.0.6.42.10.0.10.11.25.82.50.90.45.00.90.0.0.0.3.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%50.03.26.84.97.83.726.21.531.14.741.33.289.510.54.32.15.00.726.63.423.62.932.33.95.13.711.93.017.72.241.06.530.43.710.32.567.94.53.90.83.41.941.82.23.00.728.48.452.83.121.50.5
21-40 %50.06.889.330.792.219.871.35.067.813.757.18.610.510.591.016.789.65.372.810.776.49.767.010.483.526.186.415.679.09.359.011.569.611.183.312.532.16.886.16.490.817.257.45.992.16.571.619.747.26.775.01.9
over 100%0.0.3.93.90.0.2.50.51.21.21.60.90.0.4.62.35.40.70.60.60.0.0.60.611.45.61.61.23.31.10.0.0.0.6.32.10.0.10.11.25.82.50.80.44.90.90.0.0.0.3.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795088/261420
NFI4
number of forest plots
type of soil disturbance · slope (20% classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
type of soil disturbanceslope (20% classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
slight damageto 20%72.210.6....60.210.385.513.671.911.0....0.0.33.319.461.814.880.013.1..0.0.56.422.6100.0.77.411.80.0.80.816.50.0...76.28.6100.0.0.0.77.89.967.73.6
21-40 %27.816.2....39.814.314.513.628.111.0....100.070.766.735.938.230.020.019.3..100.0.43.637.90.0.22.611.8100.070.519.216.5100.055.6..23.811.90.0.100.0.22.29.932.36.0
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.
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.
medium damageto 20%89.89.7....75.19.7100.0.82.615.8....0.0.75.421.533.419.30.0.....0.0.100.0.0.0...100.0.....73.013.4....69.017.971.35.3
21-40 %10.29.7....24.913.60.0.17.415.8....100.0.24.621.566.636.1100.0.....100.0.0.0.100.0...0.0.....27.013.4....31.017.928.77.0
over 100%0.0.....0.0.0.0.0.0.....0.0.0.0.0.0.0.0.....0.0.0.0.0.0...0.0.....0.0.....0.0.0.0.
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.
severe damageto 20%100.0.....49.815.9100.0.22.119.5......50.035.451.135.3100.0.....0.0.......100.0.....68.514.9....50.035.562.17.5
21-40 %0.0.....50.225.30.0.77.936.7......50.035.448.935.30.0.....100.0.......0.0.....31.514.9....50.035.537.911.6
over 100%0.0.....0.0.0.0.0.0.......0.0.0.0.0.0.....0.0.......0.0.....0.0.....0.0.0.0.
total100.0.....100.0.100.0.100.0.......100.0.100.0.100.0.....100.0.......100.0.....100.0.....100.0.100.0.
no vehicle tracks presentto 20%44.93.46.84.98.13.923.71.523.64.737.63.589.510.54.72.35.20.825.13.421.12.927.33.95.23.812.03.218.22.335.06.826.83.810.02.565.64.83.60.83.62.038.82.32.30.630.58.951.23.419.40.5
21-40 %55.17.689.330.791.920.373.85.375.115.360.69.810.510.591.717.189.75.574.211.378.910.372.011.183.126.586.216.478.79.765.012.673.211.983.412.634.47.486.76.690.417.660.66.493.16.869.520.648.87.577.12.0
over 100%0.0.3.93.90.0.2.50.61.41.41.81.10.0.3.62.05.10.70.60.60.0.0.70.711.75.71.81.33.11.10.0.0.0.6.62.10.0.9.71.26.02.60.70.44.60.90.0.0.0.3.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%50.03.26.84.98.13.926.31.531.64.841.73.289.510.54.72.35.20.826.93.423.92.931.33.95.23.811.73.118.72.341.66.630.03.79.92.467.54.53.60.83.62.042.02.22.60.729.68.753.73.221.80.5
21-40 %50.06.889.330.791.920.371.45.167.213.856.78.610.510.591.717.189.75.472.510.876.19.768.110.583.126.586.516.278.29.558.411.670.011.283.712.532.56.986.86.690.417.657.45.992.86.770.420.246.36.874.91.9
over 100%0.0.3.93.90.0.2.30.51.21.21.60.90.0.3.62.05.10.70.60.60.0.0.70.711.75.71.71.33.11.10.0.0.0.6.52.10.0.9.61.26.02.60.60.34.60.90.0.0.0.3.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 28.01.2021 #795089/261421
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