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NFI4
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: canton
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: accessible forest (including shrub forest)
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%above 1800 m..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.
1401-1800 m..0.0.0.0.7.85.30.0.0.0...0.0.35.214.30.0.0.0...0.0.15.114.40.0...0.0.0.0.0.0.24.215.00.0.0.0.33.327.30.0...9.83.0
1001-1400 m..0.0.0.0.31.49.20.0.69.917.4..0.0.27.713.60.0.65.727.5..0.0.84.914.437.914.8..0.0.50.324.30.0.12.411.6100.0.0.0.0.0.0.0...31.34.7
601-1000 m..100.0.100.0.37.19.743.434.712.311.6..100.0.17.311.2100.0.0.0...0.0.0.0.35.214.3..100.0.49.724.30.0.12.111.40.0.24.014.966.727.3100.0...32.04.7
to 600 m..0.0.0.0.23.78.556.634.717.915.7..0.0.19.812.40.0.34.327.5..100.0.0.0.26.913.3..0.0.0.0.100.0.51.317.70.0.76.014.90.0.0.0...26.94.5
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0...100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.
21-40 %above 1800 m0.0.0.0.0.0.8.15.90.0.15.915.1..0.0.93.216.70.0.0.0.0.0.0.0.28.723.72.52.40.0.0.0.0.0.0.0.19.48.413.112.60.0.88.318.90.0.0.0.37.24.9
1401-1800 m0.0.0.0.0.0.69.817.20.0.82.853.7..60.623.6164.419.40.0.94.967.10.0.20.818.862.831.239.422.00.0.0.0.20.713.80.0.106.017.573.437.1121.640.3142.921.511.110.60.0.100.67.3
1001-1400 m0.0.265.880.366.547.2153.022.10.0.235.362.5..135.739.2105.617.433.422.7116.774.159.547.7220.874.8161.761.1141.133.30.0.90.952.0224.455.60.0.114.118.0195.339.5157.741.8102.119.874.842.442.434.5125.47.9
601-1000 m50.535.4134.280.3233.547.2162.721.4182.242.555.417.9..99.339.829.910.2281.036.4152.246.0240.547.7144.177.8139.963.1189.034.850.036.1204.6113.8141.754.066.636.4101.817.291.539.695.935.759.415.9214.144.2157.634.5110.77.5
to 600 m349.535.40.0.0.0.6.43.0117.842.510.610.0..4.54.46.94.985.634.236.228.90.0.14.213.56.86.628.117.050.036.1104.583.213.212.7133.436.458.714.626.725.324.919.47.35.00.0.100.0.26.04.3
total400.0.400.0.300.0.400.0.300.0.400.0...300.0.400.0.400.0.400.0.300.0.400.0.400.0.400.0.100.0.400.0.400.0.200.0.400.0.400.0.400.0.400.0.300.0.300.0.400.0.
over 100%above 1800 m..0.0...0.0.0.0.0.0...0.0.24.87.60.0.....0.0.0.0.16.214.8....0.0...7.33.50.0.0.0.10.77.2....10.22.5
1401-1800 m..0.0...31.613.20.0.0.0...38.328.730.78.10.0.....48.635.340.934.20.0.....0.0...25.05.80.0.0.0.54.711.8....27.33.7
1001-1400 m..100.0...43.014.40.0.0.0...0.0.37.88.60.0.....51.435.30.0.28.717.3....63.621.1..34.86.565.427.766.727.329.110.9....36.24.0
601-1000 m..0.0...25.412.6100.0.100.0...61.728.76.64.5100.0.....0.0.0.0.42.919.0....36.421.1..24.86.034.627.70.0.5.55.4....21.33.4
to 600 m..0.0...0.0.0.0.0.0...0.0.0.0.0.0.....0.0.59.134.212.111.5....0.0...8.13.90.0.33.327.30.0.....5.01.8
total..100.0...100.0.100.0.100.0...100.0.100.0.100.0.....100.0.100.0.100.0.....100.0...100.0.100.0.100.0.100.0.....100.0.
totalabove 1800 m0.0.0.0.0.0.1.80.70.0.2.71.9..0.0.23.41.80.0.0.0.0.0.0.0.1.91.91.41.00.0.0.0.0.0.0.0.5.00.94.33.00.0.21.22.00.0.0.0.9.50.5
1401-1800 m0.0.0.0.0.0.16.91.80.0.11.43.6..18.55.640.32.10.0.16.46.10.0.12.98.119.75.48.92.30.0.0.0.5.92.80.0.26.21.822.65.824.84.238.02.36.05.90.0.25.10.8
1001-1400 m0.0.55.912.815.98.636.82.30.0.60.45.5..45.17.026.71.99.13.027.07.318.98.342.212.247.27.037.83.70.0.22.011.357.55.70.0.28.91.937.86.740.04.625.82.229.713.010.19.731.60.9
601-1000 m11.310.744.112.884.18.641.02.258.711.422.24.8..34.06.37.81.168.85.644.18.081.18.336.111.426.96.243.63.750.036.156.713.233.45.532.012.426.21.829.56.324.14.013.61.664.313.464.916.826.80.8
to 600 m88.710.70.0.0.0.3.50.941.311.43.32.3..2.42.41.70.622.05.312.55.20.0.8.86.04.33.08.22.150.036.121.311.13.22.268.012.413.81.55.83.211.03.01.30.50.0.25.015.47.00.5
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847139/313470
NFI1
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: access. forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.85.40.0.50.035.431.018.527.516.79.13.1
1001-1400 m0.0.55.19.146.612.90.0.35.119.713.612.731.15.0
601-1000 m42.49.728.38.347.212.950.035.415.514.413.712.834.25.1
to 600 m57.69.76.74.66.26.00.0.18.416.545.218.925.64.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.15.13.33.384.419.289.620.119.28.731.94.8
1401-1800 m1.71.785.816.041.314.3144.622.2172.024.396.717.393.57.5
1001-1400 m66.326.1182.319.6161.922.9102.020.5106.422.0121.418.3128.18.4
601-1000 m253.732.1119.917.8176.723.261.216.732.013.0103.317.7119.88.2
to 600 m78.324.13.83.816.89.87.85.40.0.59.514.926.74.5
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.0.0.6.86.616.410.711.34.37.92.5
1401-1800 m0.0.33.111.20.0.48.913.426.213.127.36.027.04.2
1001-1400 m0.0.41.512.045.313.837.213.047.715.131.76.436.24.6
601-1000 m100.0.19.49.947.513.97.16.89.89.321.85.823.44.1
to 600 m0.0.6.05.87.27.00.0.0.0.7.93.85.62.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.60.50.60.419.82.023.72.25.10.98.10.5
1401-1800 m0.30.321.21.79.11.638.62.442.62.623.91.823.50.8
1001-1400 m13.31.946.02.141.92.526.12.325.02.331.31.932.10.9
601-1000 m60.62.830.11.844.02.514.11.78.41.426.01.829.10.9
to 600 m25.82.51.20.54.31.11.40.50.30.313.81.57.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847140/313471
NFI1
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.10.44.00.0.25.021.725.312.611.27.57.01.9
1001-1400 m0.0.51.66.635.48.20.0.33.413.616.58.728.23.4
601-1000 m44.97.334.46.352.98.625.021.733.113.638.911.541.03.8
to 600 m55.17.33.62.511.85.550.025.08.27.933.411.123.73.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.3.92.61.61.681.513.987.914.324.96.930.73.3
1401-1800 m1.01.091.311.143.110.0146.016.4176.917.195.812.194.85.3
1001-1400 m58.716.5178.913.2167.816.1113.715.6101.014.7115.212.5129.95.9
601-1000 m233.322.6118.912.1169.616.053.911.733.89.4103.512.1115.35.6
to 600 m107.020.07.13.717.96.94.93.30.40.460.510.329.23.3
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.0.0.26.47.619.07.77.02.48.61.8
1401-1800 m0.0.27.96.90.0.38.88.415.27.030.64.324.82.7
1001-1400 m20.713.049.77.747.88.926.97.742.39.733.34.437.33.0
601-1000 m69.414.717.56.046.28.98.04.423.48.321.93.924.32.7
to 600 m9.99.44.93.46.04.10.0.0.0.7.12.45.01.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.0.80.30.30.220.51.521.11.55.90.77.80.4
1401-1800 m0.20.221.61.29.21.138.71.842.01.824.61.323.70.6
1001-1400 m12.51.445.81.542.51.827.11.626.81.630.71.332.60.6
601-1000 m57.72.130.01.343.51.712.41.19.91.026.21.228.50.6
to 600 m29.61.91.80.44.60.81.20.40.30.212.51.07.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847141/313472
NFI1
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.55.20.0.50.035.431.018.521.413.58.32.8
1001-1400 m0.0.56.68.941.011.90.0.35.119.710.610.029.64.7
601-1000 m41.59.227.48.147.612.150.035.415.514.410.710.233.54.9
to 600 m58.59.26.54.511.47.60.0.18.416.557.316.428.64.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.7.64.84.04.084.718.788.719.123.79.033.04.6
1401-1800 m1.61.686.915.641.013.5144.721.8175.323.2105.816.596.67.3
1001-1400 m67.626.2185.419.0158.321.9100.819.8106.520.9113.516.8126.78.0
601-1000 m252.932.0115.917.0181.322.362.316.329.511.999.716.4117.27.8
to 600 m77.824.04.24.215.49.07.55.20.0.57.313.726.54.3
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.3.53.417.17.89.46.411.43.48.82.0
1401-1800 m0.0.28.78.73.33.355.910.419.78.933.45.028.63.2
1001-1400 m0.0.46.29.848.69.122.78.954.111.430.44.936.33.5
601-1000 m100.0.16.97.641.59.04.34.216.88.817.74.121.43.0
to 600 m0.0.8.25.63.03.00.0.0.0.7.22.84.91.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.50.51.10.520.42.023.22.16.10.98.40.5
1401-1800 m0.30.321.11.79.31.538.62.442.22.527.41.724.30.8
1001-1400 m13.31.946.72.041.02.425.72.226.02.229.21.731.80.9
601-1000 m60.42.829.21.844.52.414.01.68.31.324.11.628.30.8
to 600 m26.02.51.50.54.11.01.30.50.30.313.21.37.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847142/313473
NFI2
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: access. forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.85.40.0.50.035.431.018.527.516.79.13.1
1001-1400 m0.0.55.19.146.612.90.0.35.119.713.612.731.15.0
601-1000 m42.49.728.38.347.212.950.035.415.514.413.712.834.25.1
to 600 m57.69.76.74.66.26.00.0.18.416.545.218.925.64.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.15.13.33.384.419.289.620.119.28.731.94.8
1401-1800 m1.71.785.816.041.314.3144.622.2172.024.396.717.393.57.5
1001-1400 m66.326.1182.319.6161.922.9102.020.5106.422.0121.418.3128.18.4
601-1000 m253.732.1119.917.8176.723.261.216.732.013.0103.317.7119.88.2
to 600 m78.324.13.83.816.89.87.85.40.0.59.514.926.74.5
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.0.0.6.86.616.410.711.34.37.92.5
1401-1800 m0.0.33.111.20.0.48.913.426.213.127.36.027.04.2
1001-1400 m0.0.41.512.045.313.837.213.047.715.131.76.436.24.6
601-1000 m100.0.19.49.947.513.97.16.89.89.321.85.823.44.1
to 600 m0.0.6.05.87.27.00.0.0.0.7.93.85.62.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.60.50.60.419.82.023.72.25.10.98.10.5
1401-1800 m0.30.321.21.79.11.638.62.442.62.623.91.823.50.8
1001-1400 m13.31.946.02.141.92.526.12.325.02.331.31.932.10.9
601-1000 m60.62.830.11.844.02.514.11.78.41.426.01.829.10.9
to 600 m25.82.51.20.54.31.11.40.50.30.313.81.57.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847143/313474
NFI1
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.10.44.00.0.25.021.725.312.611.27.57.01.9
1001-1400 m0.0.51.66.635.48.20.0.33.413.616.58.728.13.4
601-1000 m44.07.234.46.352.98.625.021.733.113.638.911.540.83.7
to 600 m56.07.23.62.511.85.550.025.08.27.933.411.124.23.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.3.82.52.02.081.513.787.213.827.86.931.43.3
1401-1800 m1.01.092.111.047.110.0147.416.2178.016.6106.111.898.65.2
1001-1400 m58.416.5180.413.0164.115.7111.515.3102.314.3111.111.8128.15.7
601-1000 m233.622.5116.911.8169.715.654.811.632.18.997.311.3112.95.5
to 600 m107.120.06.83.517.16.64.93.20.40.457.79.628.93.2
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.1.81.825.96.020.66.18.32.19.81.5
1401-1800 m0.0.27.66.15.02.843.06.818.55.932.53.626.52.2
1001-1400 m24.012.050.76.948.56.522.65.739.67.532.63.636.52.4
601-1000 m68.413.015.95.139.76.46.83.321.36.219.53.022.12.1
to 600 m7.67.35.93.35.02.81.81.70.0.7.12.05.11.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.0.80.30.60.320.61.521.31.56.70.78.10.4
1401-1800 m0.20.221.81.210.51.139.21.741.61.827.61.224.80.6
1001-1400 m12.51.446.11.441.81.726.51.627.11.629.71.232.30.6
601-1000 m57.62.129.51.342.81.712.41.19.71.024.31.127.70.6
to 600 m29.61.91.90.44.40.71.30.40.30.211.70.97.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847144/313475
NFI2
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.10.55.00.0.34.427.732.215.532.715.69.82.8
1001-1400 m0.0.52.98.243.811.70.0.35.516.210.39.829.14.3
601-1000 m41.08.431.17.645.511.865.627.720.112.910.710.234.94.5
to 600 m59.08.45.43.710.77.20.0.12.311.446.316.726.24.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.24.83.53.080.717.2100.318.924.48.934.34.5
1401-1800 m1.51.581.014.544.313.1143.220.4170.521.7103.016.195.27.0
1001-1400 m61.824.0189.818.1164.920.8110.919.4100.719.3115.516.4129.87.7
601-1000 m258.830.0116.516.2170.520.958.715.128.510.9102.016.0115.47.4
to 600 m77.922.54.54.116.88.86.64.50.0.55.113.125.34.0
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.0.0.12.78.411.77.99.63.77.22.2
1401-1800 m0.0.31.510.84.94.843.212.418.99.924.45.323.53.6
1001-1400 m0.0.39.011.541.810.832.011.848.212.936.06.037.44.2
601-1000 m100.0.23.710.248.910.912.08.021.110.821.65.326.63.8
to 600 m0.0.5.75.64.44.30.0.0.0.8.53.65.42.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.70.50.70.419.51.925.22.15.90.98.60.5
1401-1800 m0.30.320.21.610.01.537.72.341.62.324.71.723.50.8
1001-1400 m12.41.847.01.941.92.327.92.124.92.130.31.732.40.8
601-1000 m60.62.729.71.742.82.313.71.58.01.225.91.728.50.8
to 600 m26.72.41.40.54.51.01.20.50.20.213.11.37.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847145/313476
NFI2
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.8.94.90.0.50.035.426.816.432.415.59.12.9
1001-1400 m0.0.56.08.647.012.10.0.30.417.710.510.030.74.7
601-1000 m41.49.229.08.041.612.050.035.426.816.410.710.133.44.8
to 600 m58.69.26.14.211.47.70.0.16.014.546.416.726.84.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.55.13.13.083.318.892.719.524.09.233.44.7
1401-1800 m1.71.785.215.744.014.0144.121.9176.923.299.816.696.07.4
1001-1400 m66.026.0185.219.2162.122.1103.220.2101.020.7117.017.2127.68.1
601-1000 m254.632.0116.817.3175.222.362.016.529.412.0103.016.8117.47.9
to 600 m77.824.04.34.315.69.17.55.20.0.56.113.825.64.3
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.0.0.6.86.616.410.710.13.97.32.3
1401-1800 m0.0.33.111.20.0.48.913.426.213.126.25.625.73.9
1001-1400 m0.0.41.512.042.512.337.213.047.715.135.26.237.64.4
601-1000 m100.0.19.49.951.812.57.16.89.89.321.35.424.34.0
to 600 m0.0.6.05.85.75.60.0.0.0.7.23.45.12.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.70.60.60.419.72.024.32.25.91.08.50.5
1401-1800 m0.30.320.91.79.81.538.02.443.52.524.51.823.80.8
1001-1400 m13.01.946.42.141.72.426.82.223.92.230.81.832.00.9
601-1000 m60.62.829.61.843.72.414.11.78.01.325.71.728.70.8
to 600 m26.02.51.40.54.31.11.40.50.30.313.11.47.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847146/313477
NFI2
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.8.94.90.0.50.035.426.816.429.314.38.82.8
1001-1400 m0.0.56.08.644.411.70.0.30.417.79.59.129.84.6
601-1000 m40.19.029.08.039.211.550.035.426.816.49.69.232.44.7
to 600 m59.99.06.14.216.48.70.0.16.014.551.615.828.94.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.25.03.83.283.618.693.019.027.79.434.34.7
1401-1800 m1.61.689.115.843.813.6145.721.8176.122.6110.116.299.67.3
1001-1400 m67.526.1183.819.0159.921.6101.819.8102.920.2111.016.2125.27.9
601-1000 m253.432.0114.617.0177.622.061.416.228.011.495.915.6114.87.6
to 600 m77.524.04.24.215.08.87.55.20.0.55.413.126.04.2
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.3.33.216.47.513.57.310.93.38.92.0
1401-1800 m0.0.29.78.96.34.353.710.224.09.433.04.929.23.2
1001-1400 m0.0.44.29.948.78.825.89.051.811.131.34.836.63.4
601-1000 m100.0.17.67.938.98.64.14.110.87.218.04.120.62.9
to 600 m0.0.8.55.82.82.80.0.0.0.6.92.74.81.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.60.51.10.520.02.024.22.16.81.08.70.5
1401-1800 m0.30.321.61.710.11.538.92.442.72.428.21.724.90.8
1001-1400 m13.21.946.32.041.62.326.22.225.02.128.91.731.60.8
601-1000 m60.32.829.01.843.12.313.71.67.81.223.51.627.70.8
to 600 m26.12.51.50.54.21.01.30.50.30.312.71.37.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847147/313478
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: access. 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
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.85.40.0.50.035.431.018.527.516.79.13.1
1001-1400 m0.0.55.19.146.612.90.0.35.119.713.612.731.15.0
601-1000 m42.49.728.38.347.212.950.035.415.514.413.712.834.25.1
to 600 m57.69.76.74.66.26.00.0.18.416.545.218.925.64.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.15.13.33.384.419.289.620.119.28.731.94.8
1401-1800 m1.71.785.816.041.314.3144.622.2172.024.396.717.393.57.5
1001-1400 m66.326.1182.319.6161.922.9102.020.5106.422.0121.418.3128.18.4
601-1000 m253.732.1119.917.8176.723.261.216.732.013.0103.317.7119.88.2
to 600 m78.324.13.83.816.89.87.85.40.0.59.514.926.74.5
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.0.0.6.86.616.410.711.34.37.92.5
1401-1800 m0.0.33.111.20.0.48.913.426.213.127.36.027.04.2
1001-1400 m0.0.41.512.045.313.837.213.047.715.131.76.436.24.6
601-1000 m100.0.19.49.947.513.97.16.89.89.321.85.823.44.1
to 600 m0.0.6.05.87.27.00.0.0.0.7.93.85.62.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.60.50.60.419.82.023.72.25.10.98.10.5
1401-1800 m0.30.321.21.79.11.638.62.442.62.623.91.823.50.8
1001-1400 m13.31.946.02.141.92.526.12.325.02.331.31.932.10.9
601-1000 m60.62.830.11.844.02.514.11.78.41.426.01.829.10.9
to 600 m25.82.51.20.54.31.11.40.50.30.313.81.57.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847148/313479
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.25.10.0.33.327.336.517.032.415.510.13.0
1001-1400 m0.0.54.68.850.012.50.0.26.415.810.510.029.74.6
601-1000 m41.49.229.98.244.212.566.727.323.314.610.710.134.54.8
to 600 m58.69.26.34.35.85.70.0.13.912.846.416.725.74.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.35.03.13.186.618.892.018.625.79.034.54.7
1401-1800 m1.71.790.115.944.014.0142.221.6175.122.4103.316.298.27.3
1001-1400 m66.026.0181.819.0160.522.0104.020.0103.220.0121.116.9127.28.0
601-1000 m254.732.0116.317.1173.722.359.916.129.711.594.915.8114.17.7
to 600 m77.724.03.53.518.69.87.35.10.0.55.013.326.04.3
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.6.36.16.05.814.99.810.93.98.42.4
1401-1800 m0.0.33.111.20.0.55.112.523.812.124.25.325.53.8
1001-1400 m0.0.41.512.046.312.132.711.952.314.437.16.038.94.3
601-1000 m100.0.19.49.941.912.06.26.08.98.521.25.222.53.7
to 600 m0.0.6.05.85.45.30.0.0.0.6.63.24.81.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.70.50.90.520.72.024.02.16.61.08.90.5
1401-1800 m0.30.321.81.79.71.537.82.443.22.525.41.724.30.8
1001-1400 m13.01.945.72.041.72.426.42.224.72.131.31.832.00.9
601-1000 m60.62.829.71.843.12.413.71.67.91.224.11.627.90.8
to 600 m26.02.51.10.54.61.11.30.50.30.312.61.37.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847149/313480
NFI2
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.10.55.00.0.34.427.732.215.529.514.49.62.8
1001-1400 m0.0.52.98.241.511.30.0.35.516.29.38.928.34.2
601-1000 m39.98.331.17.643.111.465.627.720.112.99.79.234.04.5
to 600 m60.18.35.43.715.58.30.0.12.311.451.515.828.14.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.04.64.13.181.217.1100.618.527.59.035.14.5
1401-1800 m1.51.584.714.744.012.8144.420.2169.921.1111.715.698.56.9
1001-1400 m63.124.2188.317.9162.820.4109.519.0102.318.9111.015.4127.67.5
601-1000 m257.730.0114.615.9172.920.658.414.827.210.495.814.8113.17.2
to 600 m77.622.44.44.016.38.66.54.50.0.54.112.425.64.0
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.2.62.619.37.810.65.810.53.18.61.9
1401-1800 m0.0.26.78.210.65.049.69.819.07.731.54.727.43.0
1001-1400 m0.0.39.29.246.18.123.68.449.210.031.94.835.83.3
601-1000 m100.0.23.08.138.37.97.55.121.38.418.34.022.92.9
to 600 m0.0.11.16.02.42.40.0.0.0.7.82.85.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.60.51.10.519.81.825.12.06.60.98.90.5
1401-1800 m0.30.320.81.610.41.438.42.240.92.328.01.624.50.7
1001-1400 m12.61.846.71.941.72.227.32.125.72.028.91.632.00.8
601-1000 m60.32.729.21.642.32.213.31.58.11.223.91.527.60.7
to 600 m26.72.41.70.54.41.01.20.50.20.212.61.27.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847150/313481
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: access. 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.25.10.0.33.327.336.517.036.516.910.43.1
1001-1400 m0.0.54.68.850.012.50.0.26.415.811.911.230.64.7
601-1000 m40.89.529.98.244.212.566.727.323.314.612.011.334.64.9
to 600 m59.29.56.34.35.85.70.0.13.912.839.617.424.44.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.45.13.23.286.618.892.818.926.29.234.84.8
1401-1800 m1.71.791.016.145.314.3142.221.6175.222.6102.916.398.57.4
1001-1400 m66.126.0179.419.2162.622.3104.020.0101.720.2119.817.0126.28.0
601-1000 m254.232.0117.717.3171.422.659.916.130.311.795.316.0114.37.8
to 600 m78.024.13.63.617.59.77.35.10.0.55.913.526.24.3
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.6.36.16.05.814.99.811.34.08.52.5
1401-1800 m0.0.33.111.20.0.55.112.523.812.125.05.425.93.8
1001-1400 m0.0.41.512.046.312.132.711.952.314.435.16.138.04.3
601-1000 m100.0.19.49.941.912.06.26.08.98.521.85.322.83.8
to 600 m0.0.6.05.85.45.30.0.0.0.6.83.34.91.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.70.60.90.520.72.024.12.16.71.08.90.5
1401-1800 m0.30.322.01.79.91.637.82.443.32.525.31.724.40.8
1001-1400 m13.21.945.32.142.32.526.42.224.32.131.11.831.80.9
601-1000 m60.52.829.81.842.62.413.71.68.01.324.21.727.90.8
to 600 m26.02.51.20.54.41.11.30.50.30.312.71.36.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847151/313482
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: accessible forest (including 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.25.10.0.33.327.336.517.032.415.510.13.0
1001-1400 m0.0.54.68.850.012.50.0.26.415.810.510.029.74.6
601-1000 m41.49.229.98.244.212.566.727.323.314.610.710.134.54.8
to 600 m58.69.26.34.35.85.70.0.13.912.846.416.725.74.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.95.24.03.488.319.093.018.429.99.636.34.8
1401-1800 m1.71.789.915.946.014.1141.921.5178.122.0108.116.199.97.3
1001-1400 m66.026.0181.519.0160.721.8103.219.9100.019.5116.916.4125.57.9
601-1000 m254.732.0116.117.1171.122.159.315.928.911.191.615.3112.47.6
to 600 m77.724.03.53.518.29.67.35.10.0.53.512.825.94.2
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.6.36.16.05.819.310.111.53.89.32.5
1401-1800 m0.0.33.111.20.0.55.112.527.911.925.05.126.23.7
1001-1400 m0.0.41.512.046.312.132.711.945.113.336.75.838.14.2
601-1000 m100.0.19.49.941.912.06.26.07.77.420.84.921.93.6
to 600 m0.0.6.05.85.45.30.0.0.0.6.02.94.51.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.80.61.10.621.02.024.32.17.41.09.20.5
1401-1800 m0.30.321.81.710.31.637.82.443.72.426.81.724.80.8
1001-1400 m13.01.945.72.041.82.426.22.224.02.130.41.731.60.9
601-1000 m60.62.829.61.842.32.413.61.67.71.223.21.627.40.8
to 600 m26.02.51.10.54.51.11.30.50.30.312.21.36.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847152/313483
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.8.14.50.0.33.327.336.517.022.811.68.92.7
1001-1400 m0.0.57.18.347.611.50.0.26.615.914.99.730.64.4
601-1000 m38.58.729.17.642.211.466.727.323.314.615.29.933.04.5
to 600 m61.58.75.73.910.36.90.0.13.612.647.113.827.44.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.7.24.15.04.087.417.995.617.830.09.136.24.5
1401-1800 m1.51.589.514.539.012.0144.220.5175.220.8109.115.198.76.8
1001-1400 m64.725.1183.117.3165.620.3104.819.1101.618.5113.115.2126.37.4
601-1000 m250.831.2116.315.5171.420.456.714.827.510.194.014.4112.37.0
to 600 m83.023.94.03.619.08.96.94.80.0.53.812.026.44.0
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.2.92.921.47.822.38.110.63.010.42.0
1401-1800 m0.0.29.68.38.34.649.89.527.48.930.24.528.13.0
1001-1400 m19.717.748.69.351.68.325.38.337.79.834.54.737.93.2
601-1000 m80.317.714.76.734.78.03.53.412.66.817.73.819.12.6
to 600 m0.0.7.14.82.52.50.0.0.0.7.02.64.51.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.50.51.40.621.71.924.61.97.30.99.30.5
1401-1800 m0.30.321.51.69.21.338.62.242.62.327.81.624.80.7
1001-1400 m12.81.846.31.942.72.225.52.024.72.029.61.631.90.8
601-1000 m59.52.729.31.641.92.213.01.57.91.123.21.427.10.7
to 600 m27.42.41.40.54.81.01.20.50.20.212.01.17.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847153/313484
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: accessible 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.25.10.0.33.327.336.517.032.415.510.33.1
1001-1400 m0.0.54.68.850.012.50.0.26.415.810.510.030.34.7
601-1000 m40.89.529.98.244.212.566.727.323.314.610.710.134.24.9
to 600 m59.29.56.34.35.85.70.0.13.912.846.416.725.24.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.9.05.24.13.588.319.094.018.729.39.636.44.8
1401-1800 m1.71.790.816.147.314.4141.921.5176.822.3107.116.199.97.3
1001-1400 m66.126.0179.119.2162.822.2103.219.999.719.7117.816.5125.17.9
601-1000 m254.232.0117.517.3168.722.459.315.929.611.491.915.3112.67.6
to 600 m78.024.13.63.617.29.67.35.10.0.53.912.926.04.3
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.6.36.16.05.819.310.111.83.99.42.5
1401-1800 m0.0.33.111.20.0.55.112.527.911.925.75.226.63.8
1001-1400 m0.0.41.512.046.312.132.711.945.113.334.95.837.24.2
601-1000 m100.0.19.49.941.912.06.26.07.77.421.45.022.23.6
to 600 m0.0.6.05.85.45.30.0.0.0.6.23.04.61.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.90.61.10.621.02.024.42.17.31.09.30.5
1401-1800 m0.30.322.01.710.51.637.82.443.62.426.61.724.90.8
1001-1400 m13.21.945.22.142.32.426.22.223.92.130.51.731.60.9
601-1000 m60.52.829.81.841.72.413.61.67.81.223.31.627.40.8
to 600 m26.02.51.20.54.31.11.30.50.30.312.31.36.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847154/313485
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.8.64.80.0.33.327.336.517.024.712.49.32.8
1001-1400 m0.0.54.68.550.311.80.0.26.615.916.110.530.24.5
601-1000 m39.88.930.88.044.611.766.727.323.314.616.510.734.64.6
to 600 m60.28.96.04.15.15.00.0.13.612.642.714.325.94.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.6.84.13.63.186.818.091.518.025.18.633.94.4
1401-1800 m1.51.590.714.739.112.5142.620.7174.921.6102.815.397.16.9
1001-1400 m64.725.1181.417.5165.420.8106.919.4104.319.3119.215.9128.37.6
601-1000 m250.831.2117.615.7171.821.056.815.029.310.898.215.0114.37.2
to 600 m83.023.93.53.520.19.46.94.80.0.54.712.526.64.1
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.6.36.111.57.719.310.111.13.79.52.4
1401-1800 m0.0.33.610.50.0.52.512.120.410.623.04.924.43.5
1001-1400 m24.721.545.511.246.312.130.311.245.313.438.55.739.74.1
601-1000 m75.321.516.08.442.012.15.75.515.09.720.04.821.43.4
to 600 m0.0.4.94.85.45.30.0.0.0.7.33.15.01.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.40.51.00.521.21.923.62.06.40.98.70.5
1401-1800 m0.30.321.61.68.61.438.12.342.82.325.31.624.00.8
1001-1400 m12.91.846.01.942.32.326.12.125.12.031.41.732.20.8
601-1000 m59.52.729.81.743.02.313.31.58.21.224.61.528.00.8
to 600 m27.32.41.20.45.01.11.20.50.20.212.31.27.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847155/313486
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.8.64.80.0.33.327.336.517.029.314.39.62.9
1001-1400 m0.0.57.38.547.012.10.0.26.415.89.59.130.24.5
601-1000 m40.19.028.17.841.612.066.727.323.314.69.69.232.84.7
to 600 m59.99.05.94.111.47.70.0.13.912.851.615.827.34.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.85.14.74.287.318.795.718.430.99.737.04.8
1401-1800 m1.71.789.815.843.613.4144.021.5176.121.6109.315.9100.17.2
1001-1400 m66.026.0182.218.9160.421.3101.819.7100.519.1115.116.1124.97.8
601-1000 m254.732.0115.016.9173.721.759.715.827.810.790.515.0112.07.5
to 600 m77.724.04.24.117.59.27.35.00.0.54.312.826.04.2
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.3.23.115.77.217.27.910.93.39.22.0
1401-1800 m0.0.28.78.76.14.255.510.027.89.731.94.829.13.2
1001-1400 m0.0.46.29.850.28.724.88.744.710.931.34.836.33.4
601-1000 m100.0.16.97.637.78.54.03.910.36.919.04.120.72.9
to 600 m0.0.8.25.62.82.70.0.0.0.6.92.74.71.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.80.61.30.621.12.024.62.17.51.09.30.5
1401-1800 m0.30.321.71.710.01.538.62.343.02.428.01.725.10.8
1001-1400 m12.91.946.02.041.92.325.62.124.52.129.41.631.50.8
601-1000 m60.52.829.01.742.42.313.41.67.61.222.71.527.10.8
to 600 m26.22.51.50.54.41.01.30.50.20.212.41.27.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847156/313487
NFI4
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: access. 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.85.40.0.50.035.431.018.527.516.79.13.1
1001-1400 m0.0.55.19.146.612.90.0.35.119.713.612.731.15.0
601-1000 m42.49.728.38.347.212.950.035.415.514.413.712.834.25.1
to 600 m57.69.76.74.66.26.00.0.18.416.545.218.925.64.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.15.13.33.384.419.289.620.119.28.731.94.8
1401-1800 m1.71.785.816.041.314.3144.622.2172.024.396.717.393.57.5
1001-1400 m66.326.1182.319.6161.922.9102.020.5106.422.0121.418.3128.18.4
601-1000 m253.732.1119.917.8176.723.261.216.732.013.0103.317.7119.88.2
to 600 m78.324.13.83.816.89.87.85.40.0.59.514.926.74.5
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.0.0.6.86.616.410.711.34.37.92.5
1401-1800 m0.0.33.111.20.0.48.913.426.213.127.36.027.04.2
1001-1400 m0.0.41.512.045.313.837.213.047.715.131.76.436.24.6
601-1000 m100.0.19.49.947.513.97.16.89.89.321.85.823.44.1
to 600 m0.0.6.05.87.27.00.0.0.0.7.93.85.62.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.60.50.60.419.82.023.72.25.10.98.10.5
1401-1800 m0.30.321.21.79.11.638.62.442.62.623.91.823.50.8
1001-1400 m13.31.946.02.141.92.526.12.325.02.331.31.932.10.9
601-1000 m60.62.830.11.844.02.514.11.78.41.426.01.829.10.9
to 600 m25.82.51.20.54.31.11.40.50.30.313.81.57.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847157/313488
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: accessible forest (including shrub forest)
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
slope (20% classes)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.8.64.80.0.33.327.336.517.024.712.49.32.8
1001-1400 m0.0.54.68.550.311.80.0.26.615.916.110.530.24.5
601-1000 m39.88.930.88.044.611.766.727.323.314.616.510.734.64.6
to 600 m60.28.96.04.15.15.00.0.13.612.642.714.325.94.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.7.34.24.43.388.418.192.817.829.29.135.74.5
1401-1800 m1.51.590.614.740.912.6142.320.6177.321.2107.915.298.86.8
1001-1400 m64.725.1181.217.5166.320.7106.119.3101.318.9115.115.4126.77.5
601-1000 m250.831.2117.415.7168.820.756.314.928.510.594.614.6112.57.1
to 600 m83.023.93.53.519.79.36.94.80.0.53.212.126.34.0
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.6.36.111.57.727.410.611.63.610.92.5
1401-1800 m0.0.33.610.50.0.52.512.122.810.123.84.824.93.5
1001-1400 m24.721.545.511.246.312.130.311.237.411.938.15.538.73.9
601-1000 m75.321.516.08.442.012.15.75.512.48.219.84.620.83.3
to 600 m0.0.4.94.85.45.30.0.0.0.6.72.94.71.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.60.51.20.621.51.924.32.07.20.99.20.5
1401-1800 m0.30.321.61.69.21.438.12.343.12.326.71.624.50.8
1001-1400 m12.91.845.91.942.52.326.02.124.42.030.41.631.90.8
601-1000 m59.52.729.81.642.12.313.21.58.01.223.71.527.50.7
to 600 m27.32.41.20.44.91.11.20.50.20.211.91.27.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847158/313489
NFI3
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.8.94.90.0.33.327.336.517.029.314.310.03.0
1001-1400 m0.0.56.08.650.012.50.0.26.415.89.59.130.44.6
601-1000 m39.39.229.08.044.212.566.727.323.314.69.69.233.24.8
to 600 m60.79.26.14.25.85.70.0.13.912.851.615.826.44.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.85.14.74.287.518.896.818.630.39.637.04.8
1401-1800 m1.71.790.115.944.013.6144.521.5173.921.7108.715.9100.07.2
1001-1400 m66.126.0180.519.0161.621.5102.219.8101.119.3115.616.2124.77.8
601-1000 m254.232.0116.417.1173.221.858.515.828.110.991.015.1112.37.5
to 600 m78.024.14.24.216.49.17.35.00.0.54.512.826.14.2
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.3.23.116.47.517.27.911.13.39.42.1
1401-1800 m0.0.29.78.96.14.253.510.227.89.730.44.828.13.2
1001-1400 m0.0.44.29.950.28.725.99.044.710.932.04.936.63.4
601-1000 m100.0.17.67.937.78.54.24.110.36.919.54.221.12.9
to 600 m0.0.8.55.82.82.70.0.0.0.7.02.84.81.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.80.61.30.621.22.024.82.17.51.09.40.5
1401-1800 m0.30.321.91.710.21.538.52.342.72.427.61.725.00.8
1001-1400 m13.11.945.42.042.32.325.82.124.52.129.61.731.50.8
601-1000 m60.52.829.31.842.22.313.21.67.71.222.91.527.20.8
to 600 m26.12.51.50.53.91.01.30.50.20.212.51.26.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847159/313490
NFI4
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: access. 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.9.25.10.0.33.327.336.517.036.516.910.43.1
1001-1400 m0.0.54.68.850.012.50.0.26.415.811.911.230.64.7
601-1000 m40.89.529.98.244.212.566.727.323.314.612.011.334.64.9
to 600 m59.29.56.34.35.85.70.0.13.912.839.617.424.44.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.45.13.23.286.618.892.818.926.29.234.84.8
1401-1800 m1.71.791.016.145.314.3142.221.6175.222.6102.916.398.57.4
1001-1400 m66.126.0179.419.2162.622.3104.020.0101.720.2119.817.0126.28.0
601-1000 m254.232.0117.717.3171.422.659.916.130.311.795.316.0114.37.8
to 600 m78.024.13.63.617.59.77.35.10.0.55.913.526.24.3
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.6.36.16.05.814.99.811.34.08.52.5
1401-1800 m0.0.33.111.20.0.55.112.523.812.125.05.425.93.8
1001-1400 m0.0.41.512.046.312.132.711.952.314.435.16.138.04.3
601-1000 m100.0.19.49.941.912.06.26.08.98.521.85.322.83.8
to 600 m0.0.6.05.85.45.30.0.0.0.6.83.34.91.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.70.60.90.520.72.024.12.16.71.08.90.5
1401-1800 m0.30.322.01.79.91.637.82.443.32.525.31.724.40.8
1001-1400 m13.21.945.32.142.32.526.42.224.32.131.11.831.80.9
601-1000 m60.52.829.81.842.62.413.71.68.01.324.21.727.90.8
to 600 m26.02.51.20.54.41.11.30.50.30.312.71.36.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847160/313491
NFI4
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: protection forest region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: accessible forest (including 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)altitude (400 m classes) %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.8.94.90.0.33.327.332.215.529.314.39.93.0
1001-1400 m0.0.56.08.650.012.50.0.35.016.19.59.131.14.6
601-1000 m39.39.229.08.044.212.566.727.320.513.19.69.232.84.7
to 600 m60.79.26.14.25.85.70.0.12.211.451.615.826.14.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.8.95.24.03.488.318.995.218.530.09.636.94.8
1401-1800 m1.71.790.516.046.214.2142.921.5176.921.8107.416.0100.37.3
1001-1400 m66.026.0179.819.1164.222.0102.119.899.719.3116.816.3124.97.9
601-1000 m254.732.0116.517.1168.722.259.415.928.210.991.115.2111.87.6
to 600 m77.724.04.34.216.99.47.35.00.0.54.712.926.24.3
total400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.5.65.510.77.216.88.912.94.010.12.5
1401-1800 m0.0.29.510.35.35.254.711.830.611.526.45.227.53.7
1001-1400 m0.0.41.911.341.211.329.110.945.912.533.95.736.04.0
601-1000 m100.0.17.39.043.011.45.55.46.76.520.84.921.43.4
to 600 m0.0.11.37.54.84.70.0.0.0.6.02.95.11.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.1.80.61.10.621.22.024.32.17.61.09.40.5
1401-1800 m0.30.321.91.710.61.638.02.343.72.426.71.725.00.8
1001-1400 m13.11.945.42.042.42.425.82.224.22.130.01.731.50.9
601-1000 m60.52.829.41.841.72.413.61.67.51.223.11.627.10.8
to 600 m26.12.51.50.54.21.01.30.50.20.212.51.37.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #847161/313492
NFI1
forest area
slope (20% classes) · altitude (400 m classes)
unit of reference: economic region
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: access. 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)altitude (400 m classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
to 20%above 1800 m0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1401-1800 m0.0.0.0.0.0.0.0.0.0.0.0.8.45.70.0.50.035.60.0.0.0.50.035.431.018.527.516.79.03.0
1001-1400 m0.0.0.0.0.0.0.0.0.0.100.0.41.310.336.614.650.035.6100.0.53.535.20.0.35.119.713.612.730.14.9
601-1000 m79.918.0100.0.31.715.30.0.54.220.20.0.40.810.655.115.00.0.0.0.46.535.250.035.415.514.413.712.835.05.2
to 600 m20.118.00.0.68.315.3100.0.45.820.20.0.9.56.48.48.10.0.0.0.0.0.0.0.18.416.545.218.925.94.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
21-40 %above 1800 m0.0.0.0.0.0.0.0.0.0.1.91.97.97.70.0.10.68.47.67.42.32.284.419.289.620.119.28.731.94.8
1401-1800 m2.42.40.0.0.0.0.0.0.0.128.242.836.818.221.415.7143.733.947.731.468.336.6144.622.2172.024.396.717.394.17.6
1001-1400 m101.936.60.0.24.321.34.94.80.0.221.445.3169.531.6162.935.6158.833.7188.863.9152.841.8102.020.5106.422.0121.418.3127.98.4
601-1000 m260.438.8146.848.6201.564.3317.336.3177.529.348.417.6183.931.7196.335.875.726.9122.763.0170.443.861.216.732.013.0103.317.7119.38.1
to 600 m35.214.3153.248.674.262.877.836.0222.529.30.0.1.91.819.416.511.210.833.228.66.26.17.85.40.0.59.514.926.84.5
total400.0.300.0.300.0.400.0.400.0.400.0.400.0.400.0.400.0.400.0.400.0.400.0.400.0.400.0.400.0.
over 100%above 1800 m0.0.0.0.......0.0.0.0.0.0.0.0.0.0.0.0.6.86.616.410.711.34.37.92.5
1401-1800 m0.0.0.0.......0.0.48.417.70.0.42.722.30.0.0.0.48.913.426.213.127.36.027.34.2
1001-1400 m0.0.0.0.......69.024.739.517.666.427.417.516.238.521.446.523.137.213.047.715.131.76.436.34.6
601-1000 m100.0.100.0.......31.024.70.0.0.0.39.822.061.521.453.523.17.16.89.89.321.85.823.04.0
to 600 m0.0.0.0.......0.0.12.111.433.627.40.0.0.0.0.0.0.0.0.0.7.93.85.52.2
total100.0.100.0.......100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalabove 1800 m0.0.0.0.0.0.0.0.0.0.0.70.70.80.60.0.3.11.31.91.80.90.919.82.023.72.25.10.98.10.5
1401-1800 m0.60.60.0.0.0.0.0.0.0.23.63.99.61.84.21.536.83.713.24.415.63.738.62.442.62.623.91.823.60.8
1001-1400 m22.93.20.0.3.93.82.12.10.0.59.34.441.93.139.53.540.83.844.56.044.24.826.12.325.02.331.31.932.00.9
601-1000 m65.43.645.89.857.010.163.46.942.18.916.43.245.93.051.63.618.12.633.35.937.34.414.11.78.41.426.01.829.00.8
to 600 m11.12.554.29.839.110.034.56.857.98.90.0.1.80.94.71.61.30.97.13.31.91.31.40.50.30.313.81.57.30.5
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, 11.07.2020 #847162/313493
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