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NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a4.00.57.81.310.21.99.62.53.41.16.92.45.40.4
crowded34.41.121.02.027.22.714.53.018.52.329.84.229.40.8
heterogeneous3.20.45.61.12.71.00.70.76.71.51.81.33.70.3
normal, loose42.41.229.62.227.52.716.73.226.52.724.14.036.00.9
open, scattered13.70.824.22.118.42.341.54.224.32.625.74.018.20.7
crowded, clustered normal2.30.411.81.614.12.117.13.320.72.511.83.07.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a10.36.90.0.2.72.711.55.40.0.2.02.04.61.6
crowded50.411.233.810.435.47.917.66.013.28.749.77.135.23.6
heterogeneous0.0.13.87.42.92.83.02.911.27.54.02.85.01.6
normal, loose29.610.238.910.739.68.034.47.851.412.624.06.134.13.5
open, scattered9.76.59.16.25.84.028.27.56.76.57.93.811.82.4
crowded, clustered normal0.0.4.34.213.55.65.33.717.59.312.54.89.32.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a5.31.35.31.05.31.33.51.03.71.03.20.84.40.4
crowded34.62.926.21.937.12.715.61.917.82.037.32.228.10.9
heterogeneous4.01.27.51.22.91.05.61.24.51.12.20.74.60.4
normal, loose40.63.030.32.035.12.724.92.324.42.322.41.928.80.9
open, scattered12.62.018.91.79.91.733.32.528.82.420.51.821.00.8
crowded, clustered normal2.91.011.71.49.61.717.22.020.82.114.41.613.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.20.46.30.87.31.15.71.03.50.73.80.74.90.3
crowded34.61.024.11.432.71.815.41.518.01.536.91.829.10.6
heterogeneous3.30.46.80.82.80.74.10.95.60.92.30.64.10.3
normal, loose42.01.130.21.532.11.923.41.826.01.722.81.632.90.6
open, scattered13.50.721.01.313.41.435.12.126.31.720.41.619.20.5
crowded, clustered normal2.40.311.61.011.81.316.31.620.61.613.81.39.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852204/318535
NFI2
forest area
rockfall SilvaProtect · crown closure
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
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a0.40.21.80.74.41.32.61.50.80.50.0.1.00.2
crowded27.61.020.62.030.42.917.53.410.11.925.44.424.80.8
normal39.91.118.82.019.72.510.72.815.92.320.84.031.20.8
loose17.70.919.02.013.92.217.83.524.02.710.93.117.80.7
open9.70.717.51.911.52.022.13.823.42.716.83.712.90.6
scattered2.20.38.31.48.11.717.83.514.62.210.63.05.60.4
grouped crowded0.50.24.91.13.71.22.51.45.91.51.91.32.00.3
grouped normal0.80.25.71.24.81.47.52.43.61.29.72.92.70.3
heterogeneous1.20.33.30.93.61.21.71.21.60.83.81.91.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.3.13.13.23.10.0.2.22.21.91.1
crowded45.511.243.510.935.38.222.16.90.0.39.97.133.23.6
normal29.910.225.19.640.48.428.77.747.213.023.36.230.73.5
loose19.88.94.34.28.94.928.07.526.711.512.04.615.82.7
open0.0.8.65.89.35.18.94.926.111.314.35.010.92.4
scattered4.84.74.84.70.0.6.34.30.0.8.23.94.71.6
grouped crowded0.0.9.16.20.0.0.0.0.0.0.0.1.10.8
grouped normal0.0.0.0.2.92.90.0.0.0.0.0.0.60.6
heterogeneous0.0.4.64.50.0.2.82.70.0.0.0.1.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.1.40.52.70.91.50.72.70.90.60.41.50.3
crowded30.22.826.02.032.92.719.02.111.61.733.02.225.60.9
normal42.03.024.51.929.72.619.52.117.02.020.31.924.50.9
loose16.52.218.91.812.51.916.32.021.72.213.21.616.60.8
open7.31.614.51.69.41.721.32.225.32.316.11.716.00.8
scattered1.50.84.20.96.21.48.21.511.21.75.81.16.20.5
grouped crowded0.70.53.70.82.40.95.91.34.11.13.10.83.40.4
grouped normal0.40.43.10.81.10.64.01.15.01.24.40.93.20.4
heterogeneous1.40.73.60.83.11.04.31.11.40.63.50.83.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.11.50.43.50.81.90.61.80.50.70.31.30.2
crowded28.11.024.11.432.01.918.81.710.71.232.31.925.40.6
normal40.11.122.11.426.01.817.91.717.31.520.61.628.40.6
loose17.50.818.61.312.91.417.51.722.81.712.71.317.20.5
open9.30.615.71.210.31.320.61.824.61.716.11.514.10.5
scattered2.20.36.00.86.61.010.41.412.31.36.81.05.80.3
grouped crowded0.50.24.40.72.80.74.70.94.70.92.70.62.60.2
grouped normal0.70.24.20.62.80.74.60.94.30.84.90.92.80.2
heterogeneous1.20.23.50.63.10.73.60.81.50.53.30.72.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852205/318536
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: 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
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a0.40.11.60.64.01.22.21.31.00.60.0.1.00.2
crowded27.81.020.61.928.92.716.23.010.41.822.33.724.40.8
normal39.31.118.41.921.42.512.62.815.62.120.13.530.40.8
loose17.40.917.91.812.82.015.93.122.82.410.22.717.20.7
open9.60.716.61.811.11.920.23.421.02.417.03.312.60.6
scattered2.50.48.91.38.71.720.73.416.52.115.23.16.60.4
grouped crowded0.90.25.41.14.01.22.81.47.11.53.01.52.60.3
grouped normal0.90.27.41.25.51.47.92.34.01.19.22.53.20.3
heterogeneous1.20.33.20.83.61.11.41.01.70.83.01.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.2.72.72.92.90.0.2.12.11.71.0
crowded45.511.243.510.935.87.720.36.40.0.39.56.932.63.5
normal29.910.225.19.637.77.826.37.144.212.522.05.929.23.4
loose19.88.94.34.210.54.925.77.031.411.713.34.716.42.7
open0.0.8.65.88.14.513.95.724.510.715.45.011.92.4
scattered4.84.74.84.70.0.5.84.00.0.7.73.74.41.5
grouped crowded0.0.9.16.20.0.2.72.70.0.0.0.1.60.9
grouped normal0.0.0.0.5.13.50.0.0.0.0.0.1.10.8
heterogeneous0.0.4.64.50.0.2.52.50.0.0.0.1.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.1.40.52.90.91.70.72.50.80.60.31.50.2
crowded30.42.825.31.932.12.618.72.011.11.631.52.124.90.9
normal41.63.024.81.929.92.619.22.117.21.920.31.824.50.9
loose16.52.218.61.712.91.916.42.020.62.112.61.516.30.8
open7.21.614.81.69.11.621.52.224.32.215.91.615.90.7
scattered1.50.74.00.95.81.38.21.513.01.77.31.16.70.5
grouped crowded0.70.54.20.92.90.95.81.25.11.13.70.83.90.4
grouped normal0.70.53.10.71.60.74.21.14.91.14.60.93.40.4
heterogeneous1.40.73.70.82.90.94.21.11.30.63.50.83.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.11.40.43.30.71.90.61.80.50.60.31.20.1
crowded28.31.023.61.330.91.818.11.610.51.230.41.724.90.6
normal39.51.022.01.326.71.717.91.617.11.420.41.527.90.6
loose17.30.818.01.212.71.316.91.621.81.612.21.316.80.5
open9.20.615.51.19.91.220.61.822.91.616.11.414.00.5
scattered2.40.36.20.86.71.011.51.414.21.38.81.16.60.3
grouped crowded0.90.24.80.73.20.74.70.95.90.93.30.73.10.2
grouped normal0.90.25.00.73.50.74.90.94.40.85.10.83.20.2
heterogeneous1.20.23.50.63.00.73.30.81.50.53.10.72.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852206/318537
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a0.40.11.60.64.11.11.91.11.20.60.0.1.00.2
crowded28.71.020.21.828.12.518.03.010.81.721.53.424.90.7
normal38.81.119.61.821.02.312.82.616.52.018.23.230.20.8
loose17.20.817.21.712.81.815.72.822.72.311.82.717.00.6
open9.40.616.71.710.71.719.43.120.52.215.73.012.40.5
scattered2.50.39.31.39.41.619.93.116.02.015.43.06.70.4
grouped crowded0.80.24.91.03.81.13.71.57.21.44.61.72.60.3
grouped normal1.00.26.81.16.21.37.42.03.61.09.52.43.20.3
heterogeneous1.20.23.70.84.01.11.20.91.50.73.31.51.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.2.42.42.72.60.0.1.91.91.50.9
crowded43.510.339.19.639.47.722.26.50.0.38.46.632.63.3
normal30.69.631.99.235.67.527.57.053.011.520.45.530.43.2
loose21.68.63.53.49.74.624.26.726.610.215.94.916.22.6
open0.0.7.04.87.84.313.15.420.49.216.35.011.32.2
scattered4.34.27.45.00.0.5.43.70.0.7.13.44.41.4
grouped crowded0.0.7.45.10.0.2.62.50.0.0.0.1.50.8
grouped normal0.0.0.0.5.03.40.0.0.0.0.0.1.00.7
heterogeneous0.0.3.73.60.0.2.52.40.0.0.0.1.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.1.20.53.61.01.80.72.20.70.50.31.50.2
crowded31.22.625.81.832.02.419.11.910.81.532.11.925.20.8
normal41.22.825.01.829.42.419.92.018.41.920.01.724.60.8
loose15.82.118.11.612.41.716.61.819.71.912.31.415.80.7
open7.91.514.71.58.91.521.22.024.62.116.41.516.00.7
scattered1.40.74.00.85.51.27.71.313.61.77.01.06.60.5
grouped crowded0.60.54.40.92.80.96.01.24.81.03.50.83.90.4
grouped normal0.70.53.00.72.70.83.91.04.81.04.90.93.50.4
heterogeneous1.30.63.80.82.70.93.91.01.20.53.30.72.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.11.40.43.70.71.90.61.70.50.50.31.20.1
crowded29.20.923.61.330.71.719.01.610.51.130.51.625.30.5
normal39.01.022.71.226.11.618.51.618.41.419.71.427.90.5
loose17.10.817.31.112.41.216.81.521.21.512.51.216.50.5
open9.10.615.41.19.61.120.21.622.71.516.21.313.80.4
scattered2.40.36.50.76.90.910.91.314.31.28.61.06.60.3
grouped crowded0.80.24.70.63.10.65.10.95.70.83.40.63.10.2
grouped normal1.00.24.60.64.40.84.60.84.20.75.40.83.30.2
heterogeneous1.20.23.70.63.10.63.10.71.30.43.10.62.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852207/318538
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a3.20.76.21.73.61.43.51.03.10.810.93.74.51.36.22.011.83.510.84.57.34.16.62.22.81.15.02.24.60.4
crowded27.21.839.93.635.43.340.92.837.72.127.15.122.82.832.23.613.43.619.65.224.77.014.43.218.62.432.14.630.10.8
heterogeneous8.31.10.0.1.10.81.00.61.20.52.72.08.21.83.11.41.21.22.32.22.52.50.80.86.31.52.01.43.70.3
normal, loose34.82.044.23.638.83.544.92.951.42.232.85.530.93.032.33.625.54.722.86.114.95.817.53.426.82.824.74.336.60.9
open, scattered23.21.79.82.117.82.78.01.55.01.018.44.720.32.615.42.838.75.226.46.122.36.743.54.524.52.725.54.317.90.7
crowded, clustered normal3.20.70.0.3.41.31.70.81.50.58.13.213.32.210.72.59.53.218.25.528.37.517.23.420.92.610.63.07.10.5
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.
inside perimetern/a11.87.80.0...0.0...0.0.0.0.0.0.0.0.0.0.8.07.69.35.10.0.2.02.04.41.6
crowded44.411.7100.0...100.0...0.0.77.320.369.726.025.511.135.613.034.411.818.76.414.29.350.77.236.83.7
heterogeneous0.0.0.0...0.0...0.0.0.0.0.0.18.19.50.0.0.0.3.23.112.08.04.12.94.51.6
normal, loose32.811.00.0...0.0...100.0.0.0.30.326.043.112.436.213.146.212.436.58.148.013.024.56.234.03.6
open, scattered11.17.40.0...0.0...0.0.22.720.30.0.6.86.57.06.76.15.926.87.67.26.98.03.911.72.4
crowded, clustered normal0.0.0.0...0.0...0.0.0.0.0.0.6.66.321.211.15.45.35.63.918.79.810.74.58.62.1
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a6.22.07.75.33.83.84.22.93.53.56.02.34.61.34.91.74.91.82.42.46.42.83.31.02.90.92.50.73.90.4
crowded39.74.140.59.87.65.231.36.731.08.227.64.029.73.139.03.719.13.239.67.434.55.415.61.918.32.137.82.228.30.9
heterogeneous4.11.70.0.0.0.6.43.63.53.51.40.913.02.34.51.64.81.82.22.20.0.5.71.24.61.12.30.74.70.4
normal, loose34.94.036.19.762.89.943.17.252.59.030.34.226.73.038.43.735.23.933.06.930.75.124.72.324.52.322.21.928.81.0
open, scattered13.12.811.96.525.79.110.94.63.02.923.74.013.52.26.21.823.63.59.14.314.94.033.22.528.72.420.81.920.90.9
crowded, clustered normal2.11.23.93.80.0.4.22.96.54.511.12.912.52.27.12.012.32.713.75.213.53.817.62.021.02.214.51.613.40.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.00.76.31.63.71.33.61.03.10.87.92.04.50.95.51.36.91.65.92.36.82.24.50.92.80.72.90.74.30.3
crowded30.01.640.33.332.43.139.82.637.42.127.33.126.62.136.02.517.62.430.04.231.74.015.51.618.31.537.91.929.60.6
heterogeneous7.31.00.0.1.00.71.70.71.30.51.91.010.51.43.81.04.41.31.91.40.70.74.30.95.50.92.40.64.10.3
normal, loose34.71.843.03.441.33.344.52.751.52.231.63.428.62.135.42.632.42.928.84.428.13.923.71.926.01.822.81.733.20.6
open, scattered20.91.59.92.018.62.68.41.54.90.921.53.017.01.710.61.727.82.816.63.515.93.135.32.126.41.820.51.619.00.5
crowded, clustered normal2.90.60.40.43.01.12.00.81.80.69.92.112.81.58.81.611.02.016.73.516.73.216.71.720.91.613.51.49.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852208/318539
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a3.60.86.81.85.01.53.81.13.20.812.03.84.81.49.62.312.63.413.64.88.94.39.62.53.41.16.92.45.40.4
crowded26.51.839.63.634.23.240.92.837.72.126.75.022.42.730.93.513.03.417.74.724.96.614.53.018.52.329.84.229.40.8
heterogeneous8.11.10.0.1.00.71.00.61.20.52.72.07.91.73.01.32.11.52.02.02.22.20.70.76.71.51.81.33.60.3
normal, loose34.42.043.93.637.93.444.82.851.12.232.45.530.23.031.53.525.44.424.66.013.55.316.73.226.52.724.14.035.90.9
open, scattered23.71.79.72.118.62.77.91.55.11.018.24.621.12.614.82.737.54.925.75.722.36.341.54.224.32.625.74.018.20.7
crowded, clustered normal3.70.80.0.3.31.21.70.71.70.58.03.213.72.210.32.49.43.016.45.028.17.217.13.320.72.511.83.07.30.5
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.
inside perimetern/a11.87.80.0...0.0...0.0.0.0.0.0.0.0.0.0.7.57.211.55.40.0.2.02.04.81.6
crowded44.411.7100.0...100.0...0.0.77.320.369.726.025.511.131.311.832.511.317.66.013.28.749.77.135.33.6
heterogeneous0.0.0.0...0.0...0.0.0.0.0.0.18.19.50.0.5.45.33.02.911.27.54.02.84.91.6
normal, loose32.811.00.0...0.0...100.0.0.0.30.326.043.112.438.012.443.712.034.47.851.412.624.06.133.83.5
open, scattered11.17.40.0...0.0...0.0.22.720.30.0.6.86.56.16.05.85.628.27.56.76.57.93.811.82.4
crowded, clustered normal0.0.0.0...0.0...0.0.0.0.0.0.6.66.324.610.85.15.05.33.717.59.312.54.89.32.2
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.
outside perimetern/a6.12.07.75.33.73.64.12.93.53.58.32.64.41.34.81.64.61.72.32.38.63.13.51.03.71.03.20.84.40.4
crowded39.14.040.59.87.45.032.76.731.08.227.43.929.43.038.43.620.23.239.27.133.35.215.61.917.82.037.32.228.10.9
heterogeneous4.71.70.0.0.0.6.23.53.53.51.30.912.92.24.31.54.61.72.12.00.0.5.61.24.51.12.20.74.60.4
normal, loose34.43.936.19.764.29.642.27.152.59.029.34.127.22.937.93.734.93.833.06.730.85.124.92.324.42.322.41.928.80.9
open, scattered13.62.811.96.524.88.810.74.53.02.922.93.913.82.27.11.923.93.410.64.514.43.933.32.528.82.420.51.821.00.8
crowded, clustered normal2.01.23.93.80.0.4.12.96.54.510.72.812.42.17.42.011.82.612.84.913.03.717.22.020.82.114.41.613.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.30.76.81.74.81.43.81.03.20.89.72.14.50.97.11.47.21.67.12.48.52.45.71.03.50.73.80.75.00.3
crowded29.41.640.13.331.33.040.02.637.32.127.13.026.22.035.02.517.92.328.34.030.73.815.41.518.01.536.91.829.00.6
heterogeneous7.30.90.0.0.90.61.70.71.30.51.80.910.31.43.61.04.51.31.81.21.30.94.10.95.60.92.30.64.10.3
normal, loose34.31.742.83.440.73.244.32.651.22.130.83.328.52.134.72.632.02.829.84.227.33.723.41.826.01.722.81.632.90.6
open, scattered21.41.59.92.019.32.68.21.45.00.921.03.017.51.710.81.627.82.716.93.315.73.035.12.126.31.720.41.619.20.5
crowded, clustered normal3.30.70.40.42.91.12.00.81.90.69.62.112.91.58.71.510.61.916.13.316.53.116.31.620.61.613.81.39.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852209/318540
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a3.10.55.01.14.51.03.60.83.40.612.72.76.21.19.31.69.22.114.23.614.23.711.21.84.00.86.21.65.40.3
crowded27.81.337.72.432.12.239.22.038.51.526.03.623.51.931.52.512.72.417.23.828.74.613.12.017.21.630.53.029.20.6
heterogeneous7.70.80.50.31.20.51.30.50.70.31.30.97.81.22.20.83.21.33.31.91.11.11.40.75.61.01.30.83.50.2
normal, loose33.11.445.32.541.12.446.02.051.21.532.23.831.22.133.92.629.43.322.44.312.93.519.82.325.81.920.82.736.30.6
open, scattered24.11.29.51.417.81.88.31.15.30.718.33.219.01.715.12.036.93.527.94.624.24.438.72.828.41.926.62.918.60.5
crowded, clustered normal4.20.62.00.73.30.91.60.50.90.39.52.412.31.48.01.58.72.115.03.718.94.115.82.118.91.714.62.37.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a7.04.70.0.0.0.0.0...0.0.0.0.14.413.30.0.0.0.4.44.39.63.72.42.33.11.74.11.1
crowded43.49.151.125.0100.0.100.0...26.222.346.413.957.918.731.49.235.78.451.59.719.84.917.25.945.95.036.42.6
heterogeneous0.0.0.0.0.0.0.0...0.0.0.0.0.0.11.36.23.73.73.93.81.61.69.64.63.11.73.81.0
normal, loose36.48.824.721.50.0.0.0...49.925.123.211.727.716.833.69.231.28.232.99.128.25.641.97.721.44.129.52.4
open, scattered10.15.524.221.20.0.0.0...0.0.14.29.30.0.15.67.29.25.03.83.731.35.814.55.515.33.615.71.9
crowded, clustered normal3.23.10.0.0.0.0.0...23.921.016.210.40.0.8.05.520.36.93.53.59.53.714.45.511.23.210.61.6
total100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.51.34.53.18.23.94.02.01.81.85.81.44.20.96.41.35.11.26.32.48.32.24.30.83.90.72.30.54.30.3
crowded40.63.038.57.320.75.844.55.047.36.626.72.628.82.136.32.519.92.340.04.941.03.815.11.420.61.537.61.529.30.7
heterogeneous4.61.30.0.0.0.3.01.71.81.82.10.814.11.63.91.03.21.02.01.40.60.65.80.95.10.82.40.54.70.3
normal, loose32.82.938.57.441.27.137.44.838.86.536.42.927.02.135.42.534.92.727.64.525.53.424.51.724.51.623.11.328.10.7
open, scattered16.52.316.25.629.96.67.12.65.22.919.12.415.11.610.51.625.22.413.23.412.32.633.71.827.01.720.51.321.20.6
crowded, clustered normal1.10.62.32.20.0.3.91.95.22.910.01.810.81.47.61.411.61.810.93.112.42.616.51.418.91.514.11.112.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.40.54.91.04.91.03.60.73.30.58.21.35.10.77.91.06.31.18.61.99.91.86.60.83.90.53.00.54.90.2
crowded30.41.137.92.331.12.140.21.838.91.526.52.126.31.434.31.717.91.730.03.037.92.814.81.119.11.137.01.329.50.4
heterogeneous7.00.70.40.31.10.51.50.50.70.31.80.610.71.03.00.73.60.82.81.11.10.64.30.65.50.62.30.44.00.2
normal, loose33.11.244.52.341.12.344.71.950.61.535.02.329.11.434.61.832.92.026.03.022.02.523.41.325.61.222.61.132.70.4
open, scattered22.51.110.31.418.91.88.11.05.30.718.61.917.11.212.61.228.91.918.62.515.52.135.01.527.21.221.11.119.60.4
crowded, clustered normal3.60.52.00.73.00.81.90.51.20.39.91.511.71.07.71.010.41.314.02.313.72.015.91.118.71.114.00.99.40.3
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 #852210/318541
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.30.0.0.0.1.00.60.40.30.0.1.60.85.01.73.41.96.43.60.0.2.61.50.80.50.0.1.00.2
crowded20.51.726.33.243.93.528.02.629.82.026.74.818.12.533.93.721.94.421.95.525.66.717.53.410.11.925.44.425.00.8
normal34.62.054.13.632.93.342.32.841.82.221.64.917.22.524.23.422.34.514.35.18.54.810.72.815.92.320.84.031.30.8
loose20.51.713.82.511.22.216.52.118.71.717.14.624.52.814.92.86.72.66.13.419.56.717.83.524.02.710.93.117.80.7
open13.71.44.11.58.01.98.81.68.21.215.04.319.72.59.82.313.23.720.15.79.15.022.13.823.42.716.83.712.80.6
scattered4.50.91.00.73.11.21.00.60.60.38.03.45.51.43.21.416.44.010.24.425.17.017.83.514.62.210.63.05.60.4
grouped crowded1.10.40.0.1.00.70.30.30.0.3.72.23.11.11.81.110.43.38.54.14.73.22.51.45.91.51.91.32.00.3
grouped normal2.10.60.70.70.0.0.0.0.20.26.83.05.11.43.01.35.72.510.64.45.23.67.52.43.61.29.72.92.60.3
heterogeneous2.50.70.0.0.0.2.00.80.40.31.11.15.21.54.31.60.0.2.01.92.52.51.71.21.60.83.81.91.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0...0.0...0.0.0.0.0.0.0.0.7.87.50.0.3.23.10.0.2.22.21.91.1
crowded50.811.80.0...0.0...0.0.47.825.1100.0.42.512.521.711.234.411.822.16.90.0.39.97.132.83.6
normal27.310.40.0...100.0...0.0.29.624.00.0.25.310.950.113.638.211.928.77.747.213.023.36.230.53.5
loose16.48.7100.0...0.0...0.0.0.0.0.0.6.66.313.48.88.07.628.07.526.711.512.04.616.22.8
open0.0.0.0...0.0...100.0.22.720.30.0.0.0.7.06.714.19.38.94.926.111.314.35.011.02.4
scattered5.55.40.0...0.0...0.0.0.0.0.0.6.26.00.0.0.0.6.34.30.0.8.23.94.71.6
grouped crowded0.0.0.0...0.0...0.0.0.0.0.0.13.38.70.0.0.0.0.0.0.0.0.0.1.30.9
grouped normal0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.5.45.30.0.0.0.0.0.0.50.5
heterogeneous0.0.0.0...0.0...0.0.0.0.0.0.6.26.00.0.0.0.2.82.70.0.0.0.1.10.8
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.1.11.11.20.70.0.2.11.24.63.27.02.71.50.72.70.90.60.41.40.3
crowded26.73.747.710.041.110.133.36.818.26.827.34.123.92.936.73.627.83.731.47.026.25.019.02.111.61.733.02.225.60.9
normal42.24.132.49.445.910.233.56.859.48.829.94.224.52.931.63.621.03.333.17.125.14.819.52.117.02.020.31.924.60.9
loose17.13.111.96.54.44.322.66.016.56.817.23.421.12.713.22.615.93.015.45.48.93.216.32.021.72.213.21.616.50.8
open8.42.33.93.84.64.58.34.05.94.111.53.017.22.510.52.311.92.68.94.37.63.021.32.225.32.316.11.715.90.8
scattered2.21.20.0.4.03.90.0.0.0.4.02.01.70.83.91.59.02.44.22.912.23.68.21.511.21.75.81.16.20.5
grouped crowded1.30.90.0.0.0.0.0.0.0.3.81.72.10.91.71.06.12.00.0.4.52.15.91.34.11.13.10.83.40.4
grouped normal0.70.70.0.0.0.0.0.0.0.2.31.33.21.10.0.3.51.52.42.42.41.64.01.15.01.24.40.93.20.4
heterogeneous1.41.04.14.10.0.2.22.10.0.2.91.75.11.52.41.22.91.40.0.6.22.84.31.11.40.63.50.83.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.20.0.0.0.0.90.50.40.30.70.71.40.52.40.82.41.05.82.34.11.61.90.61.80.50.70.31.20.2
crowded22.41.528.53.143.63.328.62.429.21.927.03.121.21.935.92.626.72.725.83.927.03.818.81.710.71.232.31.925.50.6
normal35.91.751.33.434.23.241.32.642.82.126.53.220.91.927.72.421.72.626.94.322.03.517.91.717.31.520.61.628.50.6
loose19.81.514.12.310.52.017.32.018.51.717.12.722.62.013.91.912.12.010.92.911.82.917.51.722.81.712.71.317.20.5
open12.41.24.11.37.61.78.71.58.01.113.22.518.51.710.01.611.62.013.73.38.82.620.61.824.61.716.11.514.10.5
scattered4.10.70.90.63.21.20.90.50.50.35.51.83.60.83.51.011.42.06.42.314.42.910.41.412.31.36.81.05.80.3
grouped crowded1.10.40.0.0.90.60.30.30.0.3.81.32.60.71.80.78.01.73.81.94.01.54.70.94.70.92.70.62.60.2
grouped normal1.80.50.60.60.0.0.0.0.20.24.01.44.10.91.50.64.01.35.82.33.51.54.60.94.30.84.90.92.80.2
heterogeneous2.20.50.50.50.0.2.10.80.30.22.21.15.11.03.31.02.10.90.90.94.41.83.60.81.50.53.30.72.40.2
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, 11.07.2020 #852211/318542
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.30.0.0.0.1.00.60.40.30.0.1.50.74.81.62.91.65.43.00.0.2.21.31.00.60.0.1.00.2
crowded20.51.626.33.244.13.328.22.630.22.025.44.518.52.533.13.621.44.023.75.420.05.416.23.010.41.822.33.724.50.8
normal33.61.953.73.633.23.241.92.841.32.122.44.716.42.426.73.421.64.115.74.810.84.612.62.815.62.120.13.530.50.8
loose20.01.614.32.510.52.116.32.118.71.715.64.223.52.714.32.76.62.45.12.917.15.615.93.122.82.410.22.717.10.7
open13.51.44.11.47.91.89.01.68.11.213.74.018.82.49.32.213.13.416.84.911.04.720.23.421.02.417.03.312.50.6
scattered5.30.91.00.72.91.21.00.60.60.311.33.75.51.43.01.315.93.610.24.025.76.220.73.416.52.115.23.16.70.4
grouped crowded1.90.60.0.1.40.80.60.40.20.23.42.02.91.01.81.012.73.37.13.47.63.62.81.47.11.53.01.52.60.3
grouped normal2.60.70.60.60.0.0.0.0.20.27.22.97.81.62.91.35.82.312.54.45.93.37.92.34.01.19.22.53.20.3
heterogeneous2.40.60.0.0.0.2.00.80.30.21.01.05.21.44.11.50.0.3.42.41.91.91.41.01.70.83.01.51.80.2
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.
inside perimetern/a0.0.0.0...0.0...0.0.0.0.0.0.0.0.6.15.90.0.2.92.90.0.2.12.11.81.0
crowded50.811.80.0...0.0...0.0.47.825.1100.0.42.512.528.210.732.511.320.36.40.0.39.56.932.23.4
normal27.310.40.0...100.0...0.0.29.624.00.0.25.310.944.311.836.111.426.37.144.212.522.05.929.13.3
loose16.48.7100.0...0.0...0.0.0.0.0.0.6.66.310.57.013.08.625.77.031.411.713.34.716.72.7
open0.0.0.0...0.0...100.0.22.720.30.0.0.0.5.55.313.38.813.95.724.510.715.45.012.02.4
scattered5.55.40.0...0.0...0.0.0.0.0.0.6.26.00.0.0.0.5.84.00.0.7.73.74.41.5
grouped crowded0.0.0.0...0.0...0.0.0.0.0.0.13.38.70.0.0.0.2.72.70.0.0.0.1.71.0
grouped normal0.0.0.0...0.0...0.0.0.0.0.0.0.0.5.55.35.15.00.0.0.0.0.0.1.00.7
heterogeneous0.0.0.0...0.0...0.0.0.0.0.0.6.26.00.0.0.0.2.52.50.0.0.0.1.10.8
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.1.11.11.20.70.60.62.01.14.33.06.52.51.70.72.50.80.60.31.50.2
crowded27.33.747.710.039.69.833.36.818.26.826.34.023.02.835.73.527.73.631.06.725.74.818.72.011.11.631.52.124.90.9
normal41.04.032.49.447.910.133.56.859.48.829.44.125.32.931.83.521.23.234.36.924.54.619.22.117.21.920.31.824.50.9
loose17.33.111.96.54.24.122.66.016.56.816.63.320.72.714.02.616.43.016.15.38.33.016.42.020.62.112.61.516.20.8
open8.22.33.93.84.44.38.34.05.94.111.82.917.42.49.92.212.62.68.14.08.13.021.52.224.32.215.91.615.90.7
scattered2.11.20.0.3.93.80.0.0.0.3.81.91.60.83.71.58.52.33.92.711.43.48.21.513.01.77.31.16.80.5
grouped crowded1.30.90.0.0.0.0.0.0.0.6.12.12.00.92.11.05.81.90.0.5.42.35.81.25.11.13.70.83.80.4
grouped normal1.30.90.0.0.0.0.0.0.0.2.21.33.41.10.0.3.31.52.22.24.22.14.21.14.91.14.60.93.40.4
heterogeneous1.30.94.14.10.0.2.22.10.0.2.81.65.41.52.31.12.71.30.0.5.82.64.21.11.30.63.50.83.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.20.0.0.0.0.80.50.40.30.70.61.30.52.60.82.20.95.02.03.71.51.90.61.80.50.60.31.20.1
crowded22.51.528.53.043.63.228.82.429.51.925.83.020.91.835.02.526.22.627.23.824.73.418.11.610.51.230.41.724.90.6
normal34.81.751.03.334.73.141.02.642.32.126.53.120.71.829.12.421.62.527.14.021.53.317.91.617.11.420.41.528.00.6
loose19.41.414.52.49.91.917.12.018.61.716.12.622.01.914.01.812.22.010.22.711.72.716.91.621.81.612.21.316.70.5
open12.11.24.01.37.61.78.91.58.01.112.92.418.11.79.51.512.02.011.82.99.62.520.61.822.91.616.11.413.90.5
scattered4.70.80.90.63.01.10.80.50.50.36.81.93.60.83.31.011.11.96.32.114.72.811.51.414.21.38.81.16.60.3
grouped crowded1.70.50.0.1.20.70.50.40.20.25.01.52.40.71.90.78.81.73.31.65.51.74.70.95.90.93.30.73.10.2
grouped normal2.30.50.60.60.0.0.0.0.20.24.21.45.61.01.40.64.01.27.52.34.91.74.90.94.40.85.10.83.20.2
heterogeneous2.10.50.50.50.0.2.00.80.30.22.11.15.31.03.20.91.90.81.61.13.91.63.30.81.50.53.10.72.30.2
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, 11.07.2020 #852212/318543
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.30.20.0.0.0.0.90.50.40.30.0.1.70.74.21.42.71.55.92.91.61.61.91.11.20.60.0.1.00.2
crowded21.21.528.23.144.53.228.82.431.51.925.44.218.42.332.63.420.13.822.54.819.85.218.03.010.81.721.53.425.00.7
normal33.11.853.43.432.23.041.82.640.72.021.34.318.22.325.93.223.04.115.64.311.14.312.82.616.52.018.23.230.30.8
loose20.01.513.22.311.62.015.81.918.31.614.23.722.42.415.32.66.22.34.02.315.05.015.72.822.72.311.82.717.00.6
open13.21.33.71.37.51.79.01.57.91.115.03.818.52.28.62.013.23.315.24.212.54.519.43.120.52.215.73.012.30.5
scattered5.30.90.90.63.01.11.10.60.50.311.73.46.01.44.21.516.73.611.33.824.25.719.93.116.02.015.43.06.70.4
grouped crowded1.70.50.0.1.20.70.50.40.20.24.12.02.50.92.11.011.83.15.72.86.83.33.71.57.21.44.61.72.60.3
grouped normal2.90.70.60.60.0.0.0.0.20.26.22.57.21.52.51.15.42.215.74.37.43.67.42.03.61.09.52.43.20.3
heterogeneous2.30.60.0.0.0.2.00.80.30.22.01.55.11.34.51.51.01.04.12.31.61.61.20.91.50.73.31.51.90.2
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.
inside perimetern/a0.0.0.0...0.0...0.0.0.0.0.0.0.0.5.65.40.0.2.72.60.0.1.91.91.60.9
crowded50.311.20.0...0.0...0.0.41.818.6100.0.40.312.032.911.032.811.322.26.50.0.38.46.632.43.3
normal25.09.70.0...100.0...0.0.45.819.00.0.29.311.141.311.436.111.327.57.053.011.520.45.530.23.2
loose19.68.8100.0...0.0...0.0.0.0.0.0.6.26.09.56.412.48.324.26.726.610.215.94.916.62.6
open0.0.0.0...0.0...50.035.512.511.80.0.0.0.5.35.213.58.813.15.420.49.216.35.011.42.2
scattered5.25.00.0...0.0...50.035.50.0.0.0.5.95.80.0.0.0.5.43.70.0.7.13.44.41.4
grouped crowded0.0.0.0...0.0...0.0.0.0.0.0.12.58.20.0.0.0.2.62.50.0.0.0.1.60.9
grouped normal0.0.0.0...0.0...0.0.0.0.0.0.0.0.5.35.25.35.10.0.0.0.0.0.0.90.7
heterogeneous0.0.0.0...0.0...0.0.0.0.0.0.5.85.60.0.0.0.2.52.40.0.0.0.1.00.7
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.90.91.10.61.50.81.71.03.62.58.02.71.80.72.20.70.50.31.50.2
crowded27.73.547.99.746.19.232.26.419.66.726.23.723.12.635.63.329.23.435.26.323.44.319.11.910.81.532.11.925.20.8
normal40.53.833.89.143.89.135.86.656.68.529.23.925.72.731.43.221.13.130.86.125.44.319.92.018.41.920.01.724.60.8
loose17.33.011.06.03.13.120.55.515.26.317.23.219.72.513.82.415.72.715.14.77.12.616.61.819.71.912.31.415.70.7
open8.82.23.63.53.73.69.54.18.64.812.12.817.32.39.42.012.42.58.73.77.92.821.22.024.62.116.41.516.00.7
scattered1.91.10.0.3.33.30.0.0.0.4.11.81.50.73.71.38.22.13.22.211.03.17.71.313.61.77.01.06.70.5
grouped crowded1.30.90.0.0.0.0.0.0.0.5.51.93.01.01.80.95.71.80.0.5.82.36.01.24.81.03.50.83.80.4
grouped normal1.20.90.0.0.0.0.0.0.0.2.01.23.51.10.50.52.91.33.42.46.32.33.91.04.81.04.90.93.50.4
heterogeneous1.20.93.83.70.0.2.01.90.0.2.91.55.21.42.41.13.01.30.0.5.02.23.91.01.20.53.30.72.90.3
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.
totaln/a0.30.20.0.0.0.0.70.40.40.30.50.51.40.52.80.82.00.85.01.85.11.71.90.61.70.50.50.31.20.1
crowded23.11.430.12.944.73.029.12.230.81.825.72.820.91.734.82.326.52.528.73.623.23.219.01.610.51.130.51.625.40.5
normal34.31.651.03.233.52.941.42.441.62.025.82.922.11.728.52.222.22.424.83.621.83.118.51.618.41.419.71.428.00.5
loose19.51.413.52.210.61.816.31.818.21.515.92.420.81.714.41.711.71.89.12.310.22.416.81.521.21.512.51.216.40.5
open12.11.13.61.27.11.59.01.48.01.113.52.217.91.68.91.412.01.911.42.610.02.320.21.622.71.516.21.313.80.4
scattered4.70.70.80.63.01.01.00.50.50.37.51.73.80.83.91.011.11.86.72.014.22.610.91.314.31.28.61.06.60.3
grouped crowded1.60.40.0.1.10.60.50.30.20.24.91.42.70.71.90.78.31.62.71.45.51.75.10.95.70.83.40.63.10.2
grouped normal2.50.50.60.60.0.0.0.0.10.13.71.25.40.91.50.63.71.19.62.46.61.84.60.84.20.75.40.83.20.2
heterogeneous2.00.50.40.40.0.2.00.70.30.22.61.05.10.93.40.92.40.92.01.13.41.43.10.71.30.43.10.62.30.2
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, 11.07.2020 #852213/318544
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a4.00.73.30.66.01.16.01.05.02.24.50.4
crowded30.31.638.31.526.82.017.41.632.14.630.10.8
heterogeneous6.30.91.10.35.61.13.60.82.01.43.70.4
normal, loose37.11.746.91.631.62.123.51.824.74.336.60.9
open, scattered20.01.48.40.918.21.831.02.025.54.318.00.7
crowded, clustered normal2.40.62.00.411.71.518.51.710.63.07.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a11.17.40.0.0.0.4.22.12.02.04.11.5
crowded47.311.5100.0.65.616.524.64.450.77.236.83.7
heterogeneous0.0.0.0.0.0.6.12.44.12.94.61.6
normal, loose30.910.50.0.23.614.841.25.024.56.234.33.6
open, scattered10.77.10.0.10.810.313.63.58.03.911.52.4
crowded, clustered normal0.0.0.0.0.0.10.23.110.74.58.72.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a6.41.93.91.95.00.93.60.62.50.73.90.4
crowded39.83.726.14.332.52.019.71.337.82.228.40.9
heterogeneous3.61.43.91.97.41.14.50.72.30.74.60.4
normal, loose35.03.750.64.931.52.027.21.422.21.928.81.0
open, scattered12.92.611.63.213.21.527.41.420.81.920.80.9
crowded, clustered normal2.31.13.91.910.41.317.61.214.51.613.40.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.50.73.30.55.40.74.50.52.90.74.20.3
crowded32.31.537.31.430.01.419.21.037.91.929.60.6
heterogeneous5.70.71.30.36.50.84.30.52.40.64.10.3
normal, loose36.61.647.21.531.51.526.71.122.81.733.30.6
open, scattered18.61.28.70.815.61.127.81.120.51.619.00.5
crowded, clustered normal2.30.52.10.411.01.017.40.913.51.49.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852214/318545
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a4.40.73.70.67.31.27.51.16.92.45.30.4
crowded29.61.638.11.526.02.017.11.529.84.229.40.8
heterogeneous6.20.91.00.35.51.03.80.81.81.33.70.3
normal, loose36.71.746.51.531.02.123.11.724.14.035.90.9
open, scattered20.41.48.60.918.41.730.41.925.74.018.20.7
crowded, clustered normal2.80.62.00.411.81.518.11.611.83.07.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a11.17.40.0.0.0.5.02.22.02.04.51.6
crowded47.311.5100.0.65.616.523.24.149.77.135.43.6
heterogeneous0.0.0.0.0.0.6.72.54.02.84.91.6
normal, loose30.910.50.0.23.614.840.74.824.06.134.13.5
open, scattered10.77.10.0.10.810.313.83.47.93.811.62.4
crowded, clustered normal0.0.0.0.0.0.10.63.012.54.89.52.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a6.31.83.81.95.31.04.10.63.20.84.40.4
crowded39.43.726.64.332.12.019.61.237.32.228.10.9
heterogeneous4.11.53.81.97.31.14.40.72.20.74.60.4
normal, loose34.63.650.54.931.32.027.31.422.41.928.80.9
open, scattered13.32.611.43.113.51.427.51.420.51.820.90.8
crowded, clustered normal2.31.13.81.910.51.317.11.214.41.613.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.80.73.70.66.20.75.40.53.80.74.90.3
crowded31.71.437.11.429.51.418.90.936.91.829.10.6
heterogeneous5.70.71.30.36.40.84.30.52.30.64.10.3
normal, loose36.21.546.91.531.11.426.61.122.81.632.90.6
open, scattered18.91.28.90.815.81.127.71.120.41.619.10.5
crowded, clustered normal2.60.52.20.411.01.017.10.913.81.39.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852215/318546
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a3.60.53.70.48.10.98.00.86.21.65.30.3
crowded30.31.137.41.026.61.416.41.130.53.029.30.6
heterogeneous5.90.61.00.25.00.73.70.51.30.83.50.2
normal, loose36.21.247.61.132.21.523.61.220.82.736.30.6
open, scattered20.41.08.70.617.61.232.01.326.62.918.60.5
crowded, clustered normal3.60.51.60.310.51.016.31.114.62.37.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a6.14.20.0.4.14.04.21.53.11.74.01.1
crowded44.18.5100.0.46.110.228.13.245.95.036.52.6
heterogeneous0.0.0.0.0.0.5.21.63.11.73.71.0
normal, loose35.28.20.0.29.69.433.13.421.44.129.52.4
open, scattered11.85.50.0.7.55.117.82.815.33.615.61.9
crowded, clustered normal2.82.80.0.12.86.911.52.311.23.210.61.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.51.24.41.45.30.74.70.52.30.54.30.3
crowded40.32.839.73.431.01.421.30.937.61.529.30.7
heterogeneous4.01.11.91.07.70.84.50.52.40.54.70.3
normal, loose33.52.738.93.432.21.426.41.023.11.328.10.7
open, scattered16.52.111.72.214.41.127.01.020.51.321.10.6
crowded, clustered normal1.30.63.41.39.50.916.10.814.11.112.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.80.43.80.46.60.55.90.43.00.54.90.2
crowded32.11.037.71.029.11.019.90.737.01.329.50.4
heterogeneous5.50.51.00.26.30.54.30.42.30.44.00.2
normal, loose35.81.146.81.032.21.025.80.822.61.132.70.4
open, scattered19.70.99.00.615.80.828.30.821.11.119.50.4
crowded, clustered normal3.20.41.80.310.00.615.90.614.00.99.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852216/318547
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a0.30.20.50.22.50.72.00.60.0.1.10.2
crowded21.81.532.11.524.72.015.91.525.44.424.90.8
normal39.51.740.21.520.21.814.81.520.84.031.20.8
loose19.01.416.61.219.81.818.11.610.93.117.90.7
open11.31.18.30.815.81.720.11.716.83.712.90.6
scattered3.70.71.20.35.21.016.01.610.63.05.60.4
grouped crowded0.80.30.30.22.80.76.01.01.91.32.00.3
grouped normal1.70.50.10.14.81.05.51.09.72.92.70.3
heterogeneous1.90.50.80.34.20.91.40.53.81.91.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.2.11.52.22.21.81.0
crowded48.011.50.0.65.616.524.74.439.97.133.33.6
normal25.910.0100.0.12.811.935.94.923.36.230.63.5
loose20.89.30.0.0.0.18.53.912.04.615.92.8
open0.0.0.0.21.713.810.43.114.35.010.82.4
scattered5.45.20.0.0.0.3.21.88.23.94.71.6
grouped crowded0.0.0.0.0.0.2.01.40.0.1.10.8
grouped normal0.0.0.0.0.0.1.11.10.0.0.60.6
heterogeneous0.0.0.0.0.0.2.11.50.0.1.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.80.42.60.50.60.41.50.3
crowded29.83.531.04.629.12.018.91.233.02.225.60.9
normal40.73.843.94.928.12.019.91.320.31.924.60.9
loose16.42.816.43.617.81.717.31.213.21.616.40.8
open7.72.16.82.513.61.519.61.316.11.716.00.8
scattered1.81.01.01.02.80.79.50.95.81.16.20.5
grouped crowded1.20.80.0.2.40.74.90.73.10.83.40.4
grouped normal0.60.60.0.2.00.64.10.64.40.93.20.4
heterogeneous1.81.01.01.03.50.83.00.53.50.83.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.20.20.50.21.60.42.40.40.70.31.20.2
crowded23.71.431.91.427.31.418.20.932.31.925.50.6
normal39.51.640.61.524.21.319.11.020.61.628.40.6
loose18.61.316.61.118.61.217.70.912.71.317.20.5
open10.51.08.20.814.71.119.21.016.11.514.10.5
scattered3.40.61.10.33.90.611.40.86.81.05.80.3
grouped crowded0.90.30.30.22.60.55.10.62.70.62.60.2
grouped normal1.50.40.10.13.30.64.40.54.90.92.80.2
heterogeneous1.80.40.80.33.80.62.40.43.30.72.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852217/318548
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a0.30.20.50.22.40.71.90.50.0.1.00.2
crowded21.81.432.41.424.41.915.41.422.33.724.40.8
normal38.51.739.81.520.61.815.31.420.13.530.40.8
loose18.71.416.41.119.01.716.91.510.22.717.20.7
open11.21.18.40.815.01.618.41.517.03.312.60.6
scattered4.30.71.10.35.61.017.51.515.23.16.70.4
grouped crowded1.40.40.60.22.60.77.11.03.01.52.60.3
grouped normal2.10.50.10.16.21.16.00.99.22.53.20.3
heterogeneous1.80.50.80.34.10.91.50.53.01.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.1.91.32.12.11.71.0
crowded48.011.50.0.65.616.524.54.239.56.932.83.5
normal25.910.0100.0.12.811.933.74.622.05.929.13.3
loose20.89.30.0.0.0.18.73.813.34.716.52.7
open0.0.0.0.21.713.811.43.115.45.011.82.4
scattered5.45.20.0.0.0.3.01.77.73.74.41.5
grouped crowded0.0.0.0.0.0.2.81.60.0.1.60.9
grouped normal0.0.0.0.0.0.2.01.40.0.1.10.8
heterogeneous0.0.0.0.0.0.1.91.30.0.1.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.1.00.42.60.50.60.31.50.2
crowded30.23.530.74.528.11.918.51.231.52.124.90.9
normal39.83.744.54.928.41.920.01.220.31.824.60.9
loose16.62.816.23.617.71.617.11.212.61.516.20.8
open7.62.06.72.513.61.419.41.215.91.615.90.7
scattered1.81.01.01.02.70.710.10.97.31.16.70.5
grouped crowded1.20.80.0.3.00.75.20.73.70.83.90.4
grouped normal1.10.80.0.2.10.64.30.64.60.93.40.4
heterogeneous1.71.00.90.93.50.82.80.53.50.83.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.20.20.40.21.60.42.30.40.60.31.20.1
crowded23.71.332.21.426.61.317.70.930.41.724.90.6
normal38.51.540.31.424.61.319.10.920.41.528.00.6
loose18.31.216.31.118.21.217.10.912.21.316.80.5
open10.31.08.20.814.31.118.60.916.11.413.90.5
scattered3.90.61.10.34.10.612.40.88.81.16.60.3
grouped crowded1.40.40.50.22.80.55.80.63.30.73.10.2
grouped normal1.90.40.10.14.00.64.80.55.10.83.20.2
heterogeneous1.70.40.80.33.80.62.30.43.10.72.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852218/318549
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a0.20.20.40.22.20.62.10.50.0.1.00.2
crowded22.71.433.31.424.31.815.61.321.53.425.00.7
normal38.11.639.31.421.11.716.01.318.23.230.20.8
loose18.41.316.21.118.61.616.41.411.82.717.00.6
open10.91.08.20.814.81.518.01.415.73.012.30.5
scattered4.20.71.20.36.31.017.21.415.43.06.70.4
grouped crowded1.30.40.50.22.70.77.00.94.61.72.60.3
grouped normal2.30.50.10.15.60.96.10.99.52.43.20.3
heterogeneous1.70.40.80.34.50.91.60.53.31.51.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.1.81.21.91.91.50.9
crowded47.810.90.0.56.013.824.94.138.46.632.73.3
normal23.79.3100.0.23.912.036.04.520.45.530.43.2
loose23.49.20.0.0.0.17.53.615.94.916.42.6
open0.0.0.0.13.48.910.72.916.35.011.22.2
scattered5.04.90.0.6.76.52.81.67.13.44.41.4
grouped crowded0.0.0.0.0.0.2.61.50.0.1.50.8
grouped normal0.0.0.0.0.0.1.91.30.0.1.00.7
heterogeneous0.0.0.0.0.0.1.81.30.0.1.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.1.20.42.50.50.50.31.50.2
crowded30.53.332.44.328.21.818.81.132.11.925.30.8
normal39.53.543.74.628.41.820.51.220.01.724.60.8
loose16.52.714.53.317.21.516.61.112.31.415.70.7
open8.12.07.72.513.31.419.41.216.41.516.00.7
scattered1.60.90.90.92.70.710.00.97.01.06.60.5
grouped crowded1.10.80.0.3.10.75.20.73.50.83.80.4
grouped normal1.00.70.0.2.20.64.40.64.90.93.50.4
heterogeneous1.60.90.90.83.60.82.70.53.30.72.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.20.10.40.21.70.42.30.30.50.31.20.1
crowded24.51.333.21.326.61.217.90.830.51.625.30.5
normal38.11.439.81.324.81.219.70.919.71.427.90.5
loose18.21.216.01.017.71.116.60.812.51.216.50.5
open10.20.98.10.714.01.018.40.916.21.313.80.4
scattered3.80.61.10.34.50.612.20.78.61.06.60.3
grouped crowded1.20.30.50.22.90.55.70.53.40.63.10.2
grouped normal2.10.40.10.13.80.54.90.55.40.83.30.2
heterogeneous1.70.40.80.24.00.62.20.33.10.62.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852219/318550
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a2.2300.0.0.0.2.230
crowded18.280.0.0.65818.88
heterogeneous0.0.0.0.0.0.0.0.
normal, loose22.370.0.0.85023.17
open, scattered1.6350.0.0.21001.833
crowded, clustered normal0.6580.0.0.21000.850
total44.920.0.1.83346.72
AIn/a0.0.0.0.0.21000.2100
crowded1.4350.0.1.7293.018
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.6570.0.0.7501.336
open, scattered0.4710.0.0.21000.657
crowded, clustered normal0.0.0.0.0.0.0.0.
total2.3250.0.2.8205.19
ARn/a0.21000.0.0.0.0.2100
crowded2.8230.0.1.9284.714
heterogeneous0.21000.0.0.0.0.2100
normal, loose1.3360.0.0.9382.326
open, scattered0.4710.0.0.0.0.471
crowded, clustered normal0.4730.0.0.0.0.473
total5.3130.0.2.8208.16
BEn/a4.8200.0.3.8238.615
crowded26.581.24119.01046.76
heterogeneous3.4240.6587.21611.213
normal, loose29.181.83321.8952.85
open, scattered14.9110.65813.61229.18
crowded, clustered normal4.8200.21007.71612.712
total83.544.42173.24161.11
BL/BSn/a1.1450.0.0.4701.437
crowded3.9210.31001.1445.318
heterogeneous0.0.0.0.0.0.0.0.
normal, loose7.2140.21001.5379.012
open, scattered3.5220.0.0.4703.821
crowded, clustered normal0.0.0.0.0.0.0.0.
total15.760.5723.42319.64
FRn/a1.4380.0.1.0452.429
crowded11.3110.0.3.92115.29
heterogeneous0.5720.0.0.21000.659
normal, loose9.4130.0.5.11814.510
open, scattered2.3300.0.2.5274.820
crowded, clustered normal1.0450.0.1.1412.130
total25.950.0.13.81039.73
GEn/a0.0.0.0.0.0.0.0.
crowded2.3250.0.0.0.2.325
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.8660.0.0.0.0.866
open, scattered0.0.0.0.0.0.0.0.
crowded, clustered normal0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLn/a0.6580.21000.4711.241
crowded1.2401.0442.5264.717
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.8500.7481.7323.222
open, scattered0.9440.21001.2402.328
crowded, clustered normal1.5370.21000.8502.428
total4.9182.3276.61413.87
GRn/a1.6350.0.2.6284.222
crowded10.1141.24118.7930.07
heterogeneous3.6230.8503.9228.215
normal, loose14.7111.83319.5936.07
open, scattered13.2120.47122.4936.17
crowded, clustered normal10.9131.24117.91030.07
total54.255.31985.03144.52
JUn/a0.6580.21000.8491.634
crowded10.0120.4704.42014.89
heterogeneous1.5340.0.0.4711.931
normal, loose6.5160.6573.52210.512
open, scattered2.0310.0.1.0453.025
crowded, clustered normal0.8490.0.0.21001.044
total21.361.24010.31232.83
LUn/a1.2410.0.0.21001.437
crowded9.8130.0.3.32413.110
heterogeneous1.0440.0.0.21001.241
normal, loose15.290.0.3.12418.38
open, scattered3.9220.0.0.4714.321
crowded, clustered normal0.8490.0.0.21001.044
total31.940.0.7.41539.43
NEn/a0.6600.0.0.4711.046
crowded4.9190.21000.7505.816
heterogeneous4.4190.0.0.0.4.419
normal, loose6.0160.0.1.6337.614
open, scattered5.6170.0.0.9456.615
crowded, clustered normal1.9330.0.0.0.1.933
total23.450.21003.62127.33
NWn/a0.0.0.0.0.0.0.0.
crowded1.1440.21002.0313.322
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.0.0.0.0.6580.658
open, scattered0.8560.0.0.5711.342
crowded, clustered normal1.6370.0.0.4671.933
total3.5210.21003.5217.29
OWn/a1.0450.0.0.4711.438
crowded2.0300.3723.1245.415
heterogeneous0.6570.0.0.9441.534
normal, loose1.3380.0.1.5342.824
open, scattered2.0290.0.0.5592.626
crowded, clustered normal2.1290.0.2.2294.320
total9.1120.3728.71118.14
SGn/a0.8500.0.1.2412.031
crowded7.4150.6589.51417.59
heterogeneous1.2410.0.1.5382.727
normal, loose5.3190.85010.21316.310
open, scattered3.4250.0.1.9335.320
crowded, clustered normal2.1310.0.3.0255.119
total20.191.53827.2748.84
SHn/a0.9490.0.0.0.0.949
crowded5.6150.0.0.4696.014
heterogeneous0.0.0.0.0.0.0.0.
normal, loose4.8170.0.0.0.4.817
open, scattered0.7570.0.0.0.0.757
crowded, clustered normal0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOn/a1.1440.21000.0.1.440
crowded9.4130.21000.85110.512
heterogeneous0.0.0.0.0.0.0.0.
normal, loose13.790.21001.33815.29
open, scattered3.8220.21000.0.4.021
crowded, clustered normal0.5700.0.0.0.0.570
total28.530.9502.13031.62
SZn/a1.0440.0.0.6581.634
crowded1.5360.0.3.2234.718
heterogeneous0.21000.0.0.21000.471
normal, loose5.0180.4694.81910.311
open, scattered2.9250.0.1.3374.220
crowded, clustered normal2.7260.21001.3374.320
total13.5100.75611.41125.54
TGn/a0.5600.0.0.21000.751
crowded6.6140.0.0.6517.213
heterogeneous0.21000.0.0.21000.470
normal, loose8.3120.0.1.2389.511
open, scattered1.4360.0.0.11001.534
crowded, clustered normal0.3700.0.0.0.0.370
total17.250.0.2.42619.63
TIn/a0.8500.21001.7332.727
crowded5.7184.12229.2739.06
heterogeneous0.0.0.0.1.3381.338
normal, loose3.8232.03217.81023.68
open, scattered4.3210.65816.51021.39
crowded, clustered normal1.7330.4719.81411.912
total16.3107.31676.3399.92
URn/a0.4720.0.0.0.0.472
crowded0.7491.0442.1273.918
heterogeneous0.21000.0.0.21000.472
normal, loose1.4370.8502.1284.319
open, scattered1.2360.21000.7572.129
crowded, clustered normal0.8490.4710.7571.931
total4.8182.4275.71512.96
VDn/a2.6270.0.0.8503.324
crowded13.0110.6584.12117.79
heterogeneous3.2250.0.0.4713.623
normal, loose23.980.0.7.81531.77
open, scattered22.180.0.5.41927.57
crowded, clustered normal2.6280.0.1.2413.923
total67.530.65819.6987.72
VSn/a1.6350.6582.2304.521
crowded3.5231.33710.61315.410
heterogeneous0.21000.21003.9224.321
normal, loose4.3212.52716.71023.58
open, scattered10.7131.83322.5934.96
crowded, clustered normal4.2220.47111.91216.510
total24.586.81667.7499.02
ZGn/a0.21000.0.0.11000.472
crowded0.8470.0.1.1392.027
heterogeneous0.4710.0.0.0.0.471
normal, loose1.1400.0.0.9392.026
open, scattered0.3670.0.0.21000.556
crowded, clustered normal0.0.0.0.0.11000.1100
total2.9190.0.2.5205.48
ZHn/a1.3400.0.0.21001.537
crowded16.990.0.0.95017.79
heterogeneous0.21000.0.0.0.0.2100
normal, loose26.960.0.0.47227.36
open, scattered1.5350.0.0.0.1.535
crowded, clustered normal0.4710.0.0.21000.658
total47.120.0.1.63548.82
Switzerlandn/a26.591.53817.21145.27
crowded176.8312.612125.34314.72
heterogeneous21.091.63520.41043.07
normal, loose213.7312.013125.64351.32
open, scattered103.844.02292.24200.03
crowded, clustered normal41.772.92659.06103.74
total583.4134.57439.921057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #852220/318551
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a2.4280.0.0.0.2.428
crowded18.280.0.0.65818.88
heterogeneous0.0.0.0.0.0.0.0.
normal, loose22.770.0.0.85023.57
open, scattered1.8330.0.0.21002.031
crowded, clustered normal0.6580.0.0.21000.850
total45.720.0.1.83347.52
AIn/a0.0.0.0.0.21000.2100
crowded1.4350.0.1.7293.018
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.6570.0.0.7501.336
open, scattered0.4710.0.0.21000.657
crowded, clustered normal0.0.0.0.0.0.0.0.
total2.3250.0.2.8205.19
ARn/a0.21000.0.0.0.0.2100
crowded2.8230.0.1.9284.714
heterogeneous0.21000.0.0.0.0.2100
normal, loose1.3360.0.0.9382.326
open, scattered0.4710.0.0.0.0.471
crowded, clustered normal0.4730.0.0.0.0.473
total5.3130.0.2.8208.16
BEn/a5.2190.0.4.2229.414
crowded26.981.24119.61047.76
heterogeneous3.6230.6587.21611.413
normal, loose29.581.83322.6954.05
open, scattered15.5110.65814.41130.57
crowded, clustered normal5.6190.21007.91513.612
total86.344.42176.04166.71
BL/BSn/a1.3410.0.0.4701.634
crowded3.9210.31001.1445.318
heterogeneous0.0.0.0.0.0.0.0.
normal, loose7.2140.21001.5379.012
open, scattered3.5220.0.0.4703.821
crowded, clustered normal0.0.0.0.0.0.0.0.
total15.960.5723.42319.73
FRn/a1.8340.0.1.2413.026
crowded11.3110.0.4.12115.49
heterogeneous0.5720.0.0.21000.659
normal, loose9.4130.0.5.11814.510
open, scattered2.3300.0.2.5274.820
crowded, clustered normal1.0450.0.1.1412.130
total26.360.0.14.2940.53
GEn/a0.0.0.0.0.0.0.0.
crowded2.3250.0.0.0.2.325
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.8660.0.0.0.0.866
open, scattered0.0.0.0.0.0.0.0.
crowded, clustered normal0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLn/a0.6580.21000.6581.438
crowded1.4371.0442.5264.917
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.8500.7481.7323.222
open, scattered0.9440.21001.2402.328
crowded, clustered normal1.5370.21000.8502.428
total5.1172.3276.81414.27
GRn/a2.0320.0.3.2255.219
crowded10.9131.24118.7930.87
heterogeneous4.0220.8503.9228.615
normal, loose15.5112.03220.1937.66
open, scattered14.2110.47123.0937.67
crowded, clustered normal11.5131.33818.11031.07
total58.255.71887.03150.92
JUn/a0.8500.21000.8491.832
crowded10.0120.4704.42014.89
heterogeneous1.5340.0.0.6582.129
normal, loose6.7160.6573.52210.712
open, scattered2.6270.0.1.0453.623
crowded, clustered normal0.8490.0.0.21001.044
total22.461.24010.51234.03
LUn/a1.4380.0.0.21001.635
crowded10.0130.0.3.52313.510
heterogeneous1.0440.0.0.21001.241
normal, loose15.690.0.3.12418.78
open, scattered4.5200.0.0.4714.919
crowded, clustered normal0.8490.0.0.21001.044
total33.340.0.7.61541.03
NEn/a0.6600.0.0.4711.046
crowded4.9190.21000.7505.816
heterogeneous4.4190.0.0.0.4.419
normal, loose6.0160.0.1.6337.614
open, scattered5.8160.0.1.1417.015
crowded, clustered normal2.4280.0.0.0.2.428
total24.150.21003.82128.23
NWn/a0.0.0.0.0.0.0.0.
crowded1.1440.21002.0313.322
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.0.0.0.0.9490.949
open, scattered0.8560.0.0.5711.342
crowded, clustered normal1.6370.0.0.4671.933
total3.5210.21003.8207.58
OWn/a1.2410.0.0.4711.635
crowded2.0300.3723.3225.715
heterogeneous0.6570.0.1.1401.732
normal, loose1.3380.0.1.5342.824
open, scattered2.0290.0.0.5592.626
crowded, clustered normal2.1290.0.2.2294.320
total9.3120.3729.11118.74
SGn/a1.9330.0.1.4383.324
crowded7.6150.6589.71317.89
heterogeneous1.2410.21001.5382.926
normal, loose5.3190.85010.61216.79
open, scattered3.6240.0.2.3305.918
crowded, clustered normal2.3300.0.3.0255.319
total21.881.73528.4652.03
SHn/a0.9490.0.0.0.0.949
crowded5.6150.0.0.4696.014
heterogeneous0.0.0.0.0.0.0.0.
normal, loose4.8170.0.0.0.4.817
open, scattered0.7570.0.0.0.0.757
crowded, clustered normal0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOn/a1.1440.21000.0.1.440
crowded9.6120.21000.85110.612
heterogeneous0.0.0.0.0.0.0.0.
normal, loose13.990.21001.33815.59
open, scattered3.8220.21000.0.4.021
crowded, clustered normal0.5700.0.0.0.0.570
total28.930.9502.13031.92
SZn/a1.8320.0.0.6582.528
crowded1.5360.0.3.4224.918
heterogeneous0.21000.0.0.21000.471
normal, loose5.2180.4695.01910.711
open, scattered2.9250.0.1.3374.220
crowded, clustered normal2.7260.4711.3374.420
total14.590.84911.71027.14
TGn/a0.5600.0.0.21000.751
crowded6.7140.0.0.6517.313
heterogeneous0.21000.0.0.21000.470
normal, loose8.3120.0.1.2389.511
open, scattered1.4360.0.0.11001.534
crowded, clustered normal0.3700.0.0.0.0.370
total17.350.0.2.42619.73
TIn/a1.4380.21002.5274.122
crowded5.9184.12230.0740.06
heterogeneous0.0.0.0.1.3381.338
normal, loose4.4212.03218.51024.98
open, scattered4.8200.65816.81022.39
crowded, clustered normal2.3290.47110.21312.912
total18.8107.31679.53105.52
URn/a0.4720.0.0.0.0.472
crowded0.7491.0442.1273.918
heterogeneous0.21000.0.0.21000.472
normal, loose1.6341.0452.1284.718
open, scattered1.4330.21000.8492.426
crowded, clustered normal0.8490.4710.7571.931
total5.2172.6265.81513.76
VDn/a3.2250.0.0.8503.922
crowded13.0110.6584.22117.99
heterogeneous3.2250.0.0.4713.623
normal, loose24.780.0.8.21532.96
open, scattered23.480.0.5.41928.77
crowded, clustered normal2.6280.0.1.2413.923
total70.030.65820.2990.82
VSn/a2.6280.8502.4295.918
crowded3.9221.33710.81316.010
heterogeneous0.21000.21003.9224.321
normal, loose4.5212.52717.31024.38
open, scattered11.2132.03123.1836.36
crowded, clustered normal4.6210.47111.91216.910
total27.187.21669.33103.62
ZGn/a0.21000.0.0.11000.472
crowded0.8470.0.1.1392.027
heterogeneous0.4710.0.0.0.0.471
normal, loose1.1400.0.0.9392.026
open, scattered0.3670.0.0.21000.556
crowded, clustered normal0.0.0.0.0.3710.371
total2.9190.0.2.6185.57
ZHn/a1.5370.0.0.21001.735
crowded17.390.0.0.95018.19
heterogeneous0.21000.0.0.0.0.2100
normal, loose27.560.0.0.47227.96
open, scattered1.5350.0.0.0.1.535
crowded, clustered normal0.6580.0.0.21000.850
total48.520.0.1.63550.22
Switzerlandn/a33.081.73519.81054.56
crowded179.9312.612128.14320.62
heterogeneous21.691.83320.81044.27
normal, loose218.7312.313129.64360.62
open, scattered109.844.22295.44209.43
crowded, clustered normal45.073.32460.06108.34
total607.9135.97453.721097.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #852221/318552
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a1.9230.0.0.0.1.923
crowded17.660.0.0.64118.26
heterogeneous0.2710.0.0.0.0.271
normal, loose23.750.0.0.64024.35
open, scattered2.4200.0.0.2712.619
crowded, clustered normal0.6410.0.0.2710.835
total46.320.0.1.62547.91
AIn/a0.0.0.0.0.11000.1100
crowded1.3250.0.1.2242.514
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.5400.0.1.2261.721
open, scattered0.4490.0.0.2720.639
crowded, clustered normal0.0.0.0.0.0.0.0.
total2.2170.0.2.7144.97
ARn/a0.3570.0.0.2710.545
crowded2.3180.0.2.0204.311
heterogeneous0.11000.0.0.0.0.1100
normal, loose1.6230.0.0.8322.417
open, scattered0.4500.0.0.0.0.450
crowded, clustered normal0.2710.0.0.0.0.271
total4.9100.0.3.0157.94
BEn/a4.6150.0.3.8168.411
crowded25.560.93319.9746.44
heterogeneous4.3150.3586.81211.49
normal, loose31.751.72422.6656.04
open, scattered15.980.73814.2830.75
crowded, clustered normal5.0140.3587.11212.49
total87.033.91674.43165.41
BL/BSn/a0.8350.0.0.3571.129
crowded4.1150.11000.8355.113
heterogeneous0.0.0.0.0.0.0.0.
normal, loose8.490.2711.42710.07
open, scattered3.5160.11000.6404.214
crowded, clustered normal0.11000.0.0.0.0.1100
total16.940.4503.11720.42
FRn/a1.6250.0.0.9332.520
crowded10.580.2715.01315.76
heterogeneous0.3580.0.0.5440.835
normal, loose8.8100.11005.51214.47
open, scattered2.2210.0.3.0185.213
crowded, clustered normal0.7380.0.1.1301.823
total24.240.35816.0640.42
GEn/a0.11000.0.0.0.0.1100
crowded1.9190.0.0.0.1.919
heterogeneous0.0.0.0.0.0.0.0.
normal, loose1.1280.0.0.0.1.128
open, scattered0.3690.0.0.0.0.369
crowded, clustered normal0.0.0.0.0.0.0.0.
total3.460.0.0.0.3.46
GLn/a1.0310.11000.8351.922
crowded1.9231.0323.0175.810
heterogeneous0.0.0.0.0.0.0.0.
normal, loose0.9330.4491.6243.017
open, scattered1.3270.11000.8352.221
crowded, clustered normal1.1290.11000.8352.022
total6.2111.7237.01015.05
GRn/a2.3210.11003.1185.513
crowded10.4101.62520.0732.15
heterogeneous3.3170.7384.5158.611
normal, loose15.082.12220.3737.55
open, scattered16.671.03223.1640.74
crowded, clustered normal11.491.13016.8729.35
total59.146.71287.92153.71
JUn/a0.8350.11000.5451.426
crowded10.780.4504.01515.16
heterogeneous1.1300.0.0.3581.426
normal, loose6.7110.4502.91810.09
open, scattered3.1180.11001.8235.013
crowded, clustered normal1.1300.0.0.11001.229
total23.441.0319.7934.12
LUn/a1.9220.0.0.2712.121
crowded11.580.2713.11714.87
heterogeneous0.8350.0.0.11000.933
normal, loose14.770.0.2.81817.66
open, scattered4.1150.0.0.5454.514
crowded, clustered normal1.2270.0.0.11001.326
total34.130.2716.81141.22
NEn/a0.8340.0.0.2711.031
crowded4.9130.2710.8355.911
heterogeneous4.6130.0.0.5445.113
normal, loose6.8110.0.1.4258.29
open, scattered5.5120.0.0.7386.111
crowded, clustered normal2.0210.0.0.0.2.021
total24.530.2713.61528.42
NWn/a0.4490.0.0.3560.835
crowded0.8340.2691.7232.716
heterogeneous0.11000.0.0.0.0.1100
normal, loose0.4500.11001.0321.525
open, scattered0.8360.0.0.3571.129
crowded, clustered normal0.9340.11000.7361.723
total3.5140.4494.1128.05
OWn/a0.9330.0.0.2711.130
crowded1.6250.3593.2165.112
heterogeneous0.4500.0.1.0311.426
normal, loose1.6240.11001.9223.616
open, scattered2.2200.0.1.2293.416
crowded, clustered normal2.4200.0.1.8234.214
total9.180.4519.3818.83
SGn/a1.4280.0.1.8233.218
crowded7.8100.83511.2819.86
heterogeneous0.6410.11001.3282.022
normal, loose5.3130.5459.11014.97
open, scattered3.0180.0.3.4176.412
crowded, clustered normal1.9230.0.2.7194.615
total19.961.42729.5450.82
SHn/a0.7370.0.0.0.0.737
crowded5.3110.11000.4495.810
heterogeneous0.0.0.0.0.0.0.0.
normal, loose4.3120.0.0.0.4.312
open, scattered0.7370.0.0.11000.835
crowded, clustered normal0.5440.0.0.0.0.544
total11.630.11000.54412.22
SOn/a0.5440.11000.0.0.641
crowded11.080.11001.32712.47
heterogeneous0.0.0.0.0.0.0.0.
normal, loose12.870.11001.42614.36
open, scattered3.6160.11000.2713.915
crowded, clustered normal0.2700.0.0.0.0.270
total28.030.4502.91831.42
SZn/a1.8240.11000.8352.719
crowded1.7240.4503.7155.812
heterogeneous0.4500.0.0.2700.641
normal, loose4.5140.3574.7149.59
open, scattered2.8180.11001.8234.714
crowded, clustered normal1.8230.3581.4263.516
total12.971.32812.7726.83
TGn/a0.6380.0.0.11000.735
crowded6.8100.0.1.1287.98
heterogeneous0.11000.0.0.11000.270
normal, loose8.280.0.1.1289.38
open, scattered1.0300.0.0.11001.128
crowded, clustered normal0.2700.0.0.0.0.270
total17.030.0.2.41819.42
TIn/a1.3280.3581.9233.517
crowded6.0133.61631.9541.54
heterogeneous0.11000.0.1.4271.526
normal, loose4.0161.72419.6725.36
open, scattered5.2141.13016.0722.36
crowded, clustered normal2.4200.64110.3913.48
total19.177.31181.12107.42
URn/a0.7380.0.0.3581.131
crowded0.7371.0332.2203.914
heterogeneous0.2710.11000.11000.550
normal, loose1.3280.9351.9224.115
open, scattered1.6240.2701.0332.818
crowded, clustered normal0.9340.5490.8372.121
total5.4122.7196.31114.45
VDn/a3.0180.0.0.9333.916
crowded12.880.6414.61418.07
heterogeneous3.6160.0.0.4504.116
normal, loose26.350.0.8.41034.74
open, scattered23.760.0.4.81428.55
crowded, clustered normal3.5170.2711.3275.014
total72.820.83520.4694.11
VSn/a3.3170.6412.9186.812
crowded3.9161.32710.0915.18
heterogeneous0.4500.11003.9164.415
normal, loose5.9131.82316.2723.96
open, scattered11.592.02222.3635.95
crowded, clustered normal4.7140.64110.9916.37
total29.856.41266.23102.42
ZGn/a0.2710.0.0.11000.358
crowded1.2260.0.1.1282.317
heterogeneous0.2710.0.0.11000.357
normal, loose1.0300.0.0.7331.821
open, scattered0.6390.0.0.11000.736
crowded, clustered normal0.11000.0.0.3560.449
total3.3120.0.2.4165.74
ZHn/a1.9230.0.0.11002.022
crowded17.760.0.0.54518.26
heterogeneous0.2710.0.0.0.0.271
normal, loose26.740.0.0.27126.94
open, scattered2.0220.0.0.0.2.022
crowded, clustered normal0.3580.0.0.11000.450
total48.810.0.0.93349.71
Switzerlandn/a33.151.52719.6754.24
crowded179.7213.09133.32326.01
heterogeneous21.171.32821.2743.75
normal, loose222.1210.510127.43360.01
open, scattered114.235.51396.33216.12
crowded, clustered normal43.153.81656.64103.53
total613.4135.75454.411103.60
© WSL, Swiss National Forest Inventory, 19.06.2020 #852222/318553
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.0.0.2100
crowded13.4100.0.0.85014.210
normal19.980.0.0.65820.58
loose7.8140.0.0.4718.214
open3.0250.0.0.0.3.025
scattered0.4710.0.0.0.0.471
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total44.920.0.1.83346.72
AIn/a0.0.0.0.0.0.0.0.
crowded1.6320.0.1.5313.118
normal0.21000.0.0.4720.557
loose0.21000.0.0.21000.472
open0.0.0.0.0.6570.657
scattered0.0.0.0.0.0.0.0.
grouped crowded0.4710.0.0.21000.657
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total2.3250.0.2.8205.19
ARn/a0.4730.0.0.0.0.473
crowded3.0230.0.1.8284.915
normal1.2400.0.1.0402.227
loose0.31000.0.0.0.0.3100
open0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.21000.0.0.0.0.2100
total5.3130.0.2.8208.16
BEn/a1.0450.0.0.6571.635
crowded19.2101.73519.91040.86
normal28.181.04517.41046.56
loose14.7110.47114.51129.68
open10.2130.47110.21420.89
scattered3.4240.4712.4296.218
grouped crowded2.8270.4713.2256.417
grouped normal1.2410.0.1.8333.026
heterogeneous2.7270.21003.2256.118
total83.544.42173.24161.11
BL/BSn/a0.0.0.0.0.0.0.0.
crowded4.6200.21001.7356.516
normal7.5140.0.1.1448.612
loose1.9330.31000.21002.329
open1.2400.0.0.21001.437
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.0.0.21000.2100
total15.760.5723.42319.64
FRn/a0.0.0.0.0.0.0.0.
crowded10.0130.0.3.92213.810
normal7.4160.0.4.02211.412
loose3.7230.0.2.3276.117
open3.1250.0.2.0295.119
scattered0.9500.0.0.6581.638
grouped crowded0.4710.0.0.21000.557
grouped normal0.4710.0.0.3700.749
heterogeneous0.0.0.0.0.5700.570
total25.950.0.13.81039.73
GEn/a0.0.0.0.0.0.0.0.
crowded3.1130.0.0.0.3.113
normal0.0.0.0.0.0.0.0.
loose0.0.0.0.0.0.0.0.
open0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLn/a0.0.0.0.0.4710.471
crowded1.3361.2402.0304.517
normal0.4710.7482.0303.123
loose1.2400.0.0.8502.030
open0.6570.21000.21001.044
scattered0.7490.0.0.9441.732
grouped crowded0.21000.0.0.21000.470
grouped normal0.21000.21000.21000.658
heterogeneous0.21000.0.0.0.0.2100
total4.9182.3276.61413.87
GRn/a0.4710.0.2.0312.429
crowded5.6180.210011.21317.010
normal8.1151.83314.81124.78
loose13.0121.24117.41031.67
open13.2121.53521.9936.67
scattered8.0150.6589.51418.210
grouped crowded3.0260.0.3.0265.918
grouped normal2.0320.0.4.1226.018
heterogeneous1.0450.0.1.2412.230
total54.255.31985.03144.52
JUn/a0.0.0.0.0.0.0.0.
crowded5.2180.8493.3239.312
normal10.0120.21004.42014.79
loose3.1240.21001.2404.519
open1.7330.0.0.6582.328
scattered0.8490.0.0.4711.240
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.4710.0.0.0.0.471
heterogeneous0.0.0.0.0.4710.471
total21.361.24010.31232.83
LUn/a0.6570.0.0.0.0.657
crowded9.4130.0.2.13111.511
normal9.4130.0.3.02512.411
loose5.9170.0.1.6357.515
open4.2210.0.0.6584.819
scattered0.4710.0.0.21000.657
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.6570.0.0.0.0.657
heterogeneous1.2400.0.0.0.1.240
total31.940.0.7.41539.43
NEn/a0.31000.0.0.0.0.3100
crowded2.1300.21000.3712.726
normal6.1160.0.1.7337.814
loose6.8150.0.0.7507.514
open4.3200.0.0.7515.118
scattered1.1440.0.0.21001.341
grouped crowded0.31000.0.0.0.0.3100
grouped normal0.7570.0.0.0.0.757
heterogeneous1.6320.0.0.0.1.632
total23.450.21003.62127.33
NWn/a0.0.0.0.0.31000.3100
crowded0.6570.0.1.1441.732
normal0.5710.21001.5362.229
loose0.8560.0.0.4721.242
open0.5710.0.0.31000.856
scattered0.31000.0.0.0.0.3100
grouped crowded0.31000.0.0.0.0.3100
grouped normal0.5710.0.0.0.0.571
heterogeneous0.0.0.0.0.0.0.0.
total3.5210.21003.5217.29
OWn/a0.4710.0.0.11000.559
crowded1.7330.3723.2235.216
normal0.9460.0.0.6591.535
loose0.9450.0.1.2392.229
open1.9310.0.1.8333.721
scattered1.7310.0.0.21001.929
grouped crowded0.4720.0.0.5590.945
grouped normal1.1410.0.1.1432.129
heterogeneous0.0.0.0.0.0.0.0.
total9.1120.3728.71118.14
SGn/a0.8500.0.0.8491.734
crowded4.9190.4719.01414.210
normal6.3170.6588.21415.110
loose3.4240.21003.2256.916
open1.5380.21002.1313.823
scattered1.8350.0.1.5383.225
grouped crowded0.5710.0.1.1441.637
grouped normal0.8500.0.0.21001.145
heterogeneous0.21000.0.1.0451.241
total20.191.53827.2748.84
SHn/a0.0.0.0.0.0.0.0.
crowded3.4220.0.0.0.3.422
normal6.5130.0.0.4696.912
loose2.0300.0.0.0.2.030
open0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOn/a0.0.0.0.0.0.0.0.
crowded6.9160.21000.7587.815
normal9.9120.4720.94511.211
loose7.3150.21000.4728.014
open4.2210.0.0.21004.321
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total28.530.9502.13031.62
SZn/a1.0450.0.0.21001.240
crowded3.5230.21002.6276.316
normal1.8330.4693.4235.717
loose2.2300.0.2.1294.220
open2.8260.0.1.5354.320
scattered1.0450.0.1.0452.031
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.8500.0.0.6581.438
total13.5100.75611.41125.54
TGn/a0.21000.0.0.0.0.2100
crowded6.4140.0.0.4576.813
normal5.9160.0.1.2397.113
loose2.3260.0.0.5592.824
open2.0300.0.0.3702.327
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.11000.0.0.0.0.1100
total17.250.0.2.42619.63
TIn/a0.0.0.21000.4710.658
crowded4.7203.62327.7736.06
normal4.0221.93315.51121.49
loose1.4380.8509.51411.613
open2.0320.65810.41313.012
scattered1.5350.21003.5235.219
grouped crowded0.4710.0.2.7273.125
grouped normal1.7330.0.3.5235.319
heterogeneous0.6580.0.3.1253.723
total16.3107.31676.3399.92
URn/a0.0.0.21000.21000.472
crowded0.7490.6581.8313.121
normal0.8501.1431.9303.721
loose0.21000.4690.6571.239
open1.1400.21000.8502.129
scattered0.4710.0.0.21000.657
grouped crowded0.6570.0.0.0.0.657
grouped normal1.0440.0.0.21001.239
heterogeneous0.0.0.0.0.0.0.0.
total4.8182.4275.71512.96
VDn/a0.21000.0.0.4710.658
crowded18.190.21004.62022.98
normal21.490.4718.21530.07
loose9.9140.0.3.52313.311
open8.3150.0.1.3389.614
scattered5.0190.0.1.0456.018
grouped crowded1.6350.0.0.21001.933
grouped normal2.2300.0.0.21002.429
heterogeneous0.8500.0.0.21001.045
total67.530.65819.6987.72
VSn/a0.6580.21001.0451.933
crowded4.3211.53512.81118.69
normal2.6282.03113.21117.810
loose4.4211.93111.01317.310
open5.4190.65814.41120.49
scattered4.4210.4715.51910.313
grouped crowded0.6580.0.4.0224.621
grouped normal1.8330.0.2.7264.620
heterogeneous0.4710.21002.9263.523
total24.586.81667.7499.02
ZGn/a0.0.0.0.0.0.0.0.
crowded0.6560.0.0.4671.042
normal1.5330.0.1.1392.522
loose0.4720.0.0.6590.944
open0.0.0.0.0.3710.371
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.4720.0.0.21000.659
total2.9190.0.2.5205.48
ZHn/a0.0.0.0.0.0.0.0.
crowded11.4120.0.0.47011.912
normal22.270.0.1.24123.47
loose9.6130.0.0.0.9.613
open3.6220.0.0.0.3.622
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total47.120.0.1.63548.82
Switzerlandn/a6.2180.7586.41813.312
crowded146.0311.413112.94270.32
normal182.4310.614107.74300.72
loose103.645.61972.35181.43
open75.053.72370.25148.93
scattered32.681.63527.1861.46
grouped crowded11.8130.47115.31127.58
grouped normal15.6110.210014.31230.18
heterogeneous10.3140.47113.51224.39
total583.4134.57439.921057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #852223/318554
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.0.0.2100
crowded13.8100.0.0.85014.610
normal20.580.0.0.65821.17
loose8.2140.0.0.4718.614
open3.0250.0.0.0.3.025
scattered0.4710.0.0.0.0.471
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total46.320.0.1.83348.12
AIn/a0.0.0.0.0.0.0.0.
crowded1.6320.0.1.5313.118
normal0.21000.0.0.4720.557
loose0.21000.0.0.21000.472
open0.0.0.0.0.6570.657
scattered0.0.0.0.0.0.0.0.
grouped crowded0.4710.0.0.21000.657
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total2.3250.0.2.8205.19
ARn/a0.4730.0.0.0.0.473
crowded3.0230.0.1.8284.915
normal1.2400.0.1.0402.227
loose0.31000.0.0.0.0.3100
open0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.21000.0.0.0.0.2100
total5.3130.0.2.8208.16
BEn/a1.0450.0.0.6571.635
crowded20.891.73520.3942.76
normal28.381.04518.21047.56
loose14.7110.47115.11130.28
open10.2130.47110.81321.49
scattered3.6230.4712.4296.417
grouped crowded4.3220.4713.2257.916
grouped normal1.8330.0.1.8333.623
heterogeneous2.9260.21003.4246.517
total87.744.42175.84167.91
BL/BSn/a0.0.0.0.0.0.0.0.
crowded4.8190.21001.7356.715
normal7.7140.0.1.1448.812
loose1.9330.31000.4712.628
open1.2400.0.0.21001.437
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.0.0.21000.2100
total16.160.5723.62220.23
FRn/a0.0.0.0.0.0.0.0.
crowded10.0130.0.3.92213.810
normal8.2150.0.4.12112.311
loose3.7230.0.2.3276.117
open3.3240.0.2.2285.518
scattered1.1450.0.0.6581.835
grouped crowded0.4710.0.0.6580.944
grouped normal0.4710.0.0.3700.749
heterogeneous0.0.0.0.0.5700.570
total27.150.0.14.6941.73
GEn/a0.0.0.0.0.0.0.0.
crowded3.1130.0.0.0.3.113
normal0.0.0.0.0.0.0.0.
loose0.0.0.0.0.0.0.0.
open0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.
grouped crowded0.41000.0.0.0.0.4100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.520.0.0.0.3.52
GLn/a0.0.0.0.0.4710.471
crowded1.3361.2402.0304.517
normal0.6570.7482.0303.322
loose1.4370.0.0.8502.229
open0.8500.21000.4711.437
scattered0.9440.0.0.9441.931
grouped crowded0.21000.0.0.21000.470
grouped normal0.21000.21000.4710.750
heterogeneous0.21000.0.0.0.0.2100
total5.7172.3276.91414.96
GRn/a0.6580.0.2.0312.628
crowded6.6170.210011.81218.610
normal9.5141.83316.21027.48
loose14.4111.63518.11034.17
open13.8121.53522.9938.26
scattered11.2130.65812.61224.59
grouped crowded4.2220.0.4.0228.215
grouped normal2.6280.0.4.4217.016
heterogeneous1.2410.0.1.2412.329
total64.155.71893.23162.92
JUn/a0.0.0.0.0.0.0.0.
crowded5.2180.8493.5229.512
normal10.0120.21004.42014.79
loose3.1240.21001.2404.519
open1.7330.0.0.6582.328
scattered1.4360.0.0.4711.732
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.4710.0.0.0.0.471
heterogeneous0.0.0.0.0.4710.471
total22.161.24010.51233.73
LUn/a0.6570.0.0.0.0.657
crowded9.6130.0.2.13111.711
normal9.9120.0.3.02512.910
loose6.1170.0.1.6357.714
open4.4200.0.0.6585.019
scattered0.6580.0.0.21000.850
grouped crowded0.21000.0.0.0.0.2100
grouped normal1.0440.0.0.21001.240
heterogeneous1.2400.0.0.0.1.240
total33.540.0.7.61541.22
NEn/a0.31000.0.0.0.0.3100
crowded2.1300.21000.3712.726
normal6.3160.0.1.7338.014
loose6.8150.0.0.7507.514
open4.3200.0.0.7515.118
scattered1.6360.0.0.21001.834
grouped crowded0.5720.0.0.0.0.572
grouped normal0.7570.0.0.21000.949
heterogeneous1.6320.0.0.0.1.632
total24.250.21003.82128.33
NWn/a0.0.0.0.0.31000.3100
crowded0.6570.0.1.1441.732
normal0.5710.21001.5362.229
loose1.1480.0.0.4721.539
open0.5710.0.0.31000.856
scattered0.31000.0.0.0.0.3100
grouped crowded0.31000.0.0.0.0.3100
grouped normal1.0490.0.0.0.1.049
heterogeneous0.0.0.0.0.0.0.0.
total4.3180.21003.5218.08
OWn/a0.4710.0.0.11000.559
crowded1.9310.3723.2235.416
normal0.9460.0.0.8501.833
loose0.9450.0.1.2392.229
open1.9310.0.1.8333.721
scattered1.7310.0.0.21001.929
grouped crowded0.4720.0.0.5590.945
grouped normal1.7330.0.1.1432.726
heterogeneous0.0.0.0.0.0.0.0.
total9.9110.3728.91119.14
SGn/a0.8500.0.1.1441.932
crowded5.1190.4719.41314.910
normal7.3160.6588.91416.89
loose3.6230.5713.8237.915
open1.9330.21002.1314.322
scattered2.2310.0.1.5383.623
grouped crowded0.9500.0.1.6372.430
grouped normal1.0450.0.0.5711.538
heterogeneous0.21000.0.1.0451.241
total23.181.73529.8654.53
SHn/a0.0.0.0.0.0.0.0.
crowded3.4220.0.0.0.3.422
normal6.5130.0.0.4696.912
loose2.0300.0.0.0.2.030
open0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOn/a0.0.0.0.0.0.0.0.
crowded7.1150.21000.7588.014
normal10.1120.4720.94511.411
loose7.5150.21000.4728.214
open4.3210.0.0.21004.520
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total29.330.9502.13032.32
SZn/a1.0450.0.0.21001.240
crowded3.7220.21002.8266.715
normal2.2300.6574.3217.015
loose2.2300.0.2.1294.220
open2.8260.0.1.5354.320
scattered1.0450.0.1.0452.031
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.0450.0.0.6581.635
total14.390.84912.41027.54
TGn/a0.21000.0.0.0.0.2100
crowded6.7130.0.0.4577.113
normal5.9160.0.1.2397.113
loose2.3260.0.0.5592.824
open2.0300.0.0.3702.327
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.11000.0.0.0.0.1100
total17.550.0.2.42619.93
TIn/a0.0.0.21000.4710.658
crowded5.3193.82328.5737.66
normal4.7201.93316.91023.58
loose1.8330.8509.71412.212
open3.0260.85011.21314.911
scattered2.5270.21004.4207.116
grouped crowded0.8500.0.3.5234.221
grouped normal2.1300.0.3.9226.018
heterogeneous0.6580.0.3.3243.922
total20.797.61681.83110.12
URn/a0.0.0.21000.21000.472
crowded1.1401.0451.8313.920
normal1.0451.1431.9303.920
loose0.21000.4690.8501.436
open1.1400.21000.8502.129
scattered0.5570.0.0.21000.749
grouped crowded0.6570.0.0.0.0.657
grouped normal1.4360.21000.21001.831
heterogeneous0.0.0.0.0.0.0.0.
total6.0153.0245.81514.85
VDn/a0.21000.0.0.4710.658
crowded19.990.21004.71924.97
normal22.580.4718.61531.57
loose10.3130.0.3.52313.811
open9.1140.0.1.53510.613
scattered5.8180.0.1.0456.816
grouped crowded1.8330.0.0.4712.330
grouped normal2.9260.0.0.21003.125
heterogeneous0.8500.0.0.21001.045
total73.330.65820.5994.52
VSn/a0.6580.21001.2412.131
crowded4.7201.53513.01119.29
normal3.6232.03113.41119.09
loose4.6211.93111.41217.910
open5.8181.04515.01121.89
scattered6.0180.4715.71812.112
grouped crowded0.8500.21004.0225.020
grouped normal2.3300.0.2.9255.219
heterogeneous0.4710.21002.9263.523
total28.877.41669.73105.92
ZGn/a0.0.0.0.0.0.0.0.
crowded0.6560.0.0.5521.237
normal1.5330.0.1.1392.522
loose0.4720.0.0.6590.944
open0.0.0.0.0.3710.371
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.4720.0.0.21000.659
total2.9190.0.2.6185.57
ZHn/a0.0.0.0.0.0.0.0.
crowded12.0120.0.0.47012.511
normal22.470.0.1.24123.67
loose9.8130.0.0.0.9.813
open3.6220.0.0.0.3.622
scattered0.21000.0.0.0.0.2100
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total48.420.0.1.63550.01
Switzerlandn/a6.4180.7586.81713.912
crowded154.2311.913116.14282.22
normal191.5310.814113.74315.92
loose107.646.21875.35189.13
open78.954.32173.85157.03
scattered41.671.63531.4874.65
grouped crowded16.6110.65818.11035.47
grouped normal20.3100.37116.11136.87
heterogeneous10.9130.47113.91225.29
total628.1136.97465.121130.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #852224/318555
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.0.0.2100
crowded14.590.0.0.75015.29
normal20.270.0.0.55820.87
loose7.8140.0.0.4718.114
open2.8250.0.0.0.2.825
scattered0.4710.0.0.0.0.471
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total46.020.0.1.63347.62
AIn/a0.0.0.0.0.0.0.0.
crowded1.4300.0.1.5273.017
normal0.11000.0.0.5580.649
loose0.21000.0.0.11000.371
open0.0.0.0.0.5570.557
scattered0.0.0.0.0.0.0.0.
grouped crowded0.5570.0.0.21000.748
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total2.3230.0.2.8185.09
ARn/a0.4740.0.0.0.0.474
crowded3.0210.0.1.8264.814
normal1.0410.0.1.0372.026
loose0.21000.0.0.3710.561
open0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.11000.0.0.0.0.1100
total5.0120.0.3.1188.16
BEn/a0.9450.0.0.6571.535
crowded21.691.63320.4943.66
normal28.871.14118.3948.25
loose14.5110.55814.11129.27
open9.8130.37110.71320.89
scattered3.6220.4712.3286.317
grouped crowded3.8220.4713.4237.615
grouped normal1.8320.0.1.6333.423
heterogeneous3.4230.21003.4236.916
total88.234.52074.84167.41
BL/BSn/a0.0.0.0.0.0.0.0.
crowded5.3170.21001.5356.914
normal7.6130.0.1.4369.011
loose1.7330.31000.4712.428
open1.1410.0.0.21001.337
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.0.0.21000.2100
total16.260.4733.62120.23
FRn/a0.0.0.0.0.0.0.0.
crowded10.3120.0.4.02014.39
normal7.6150.0.4.02011.611
loose3.7210.0.2.3266.016
open3.5220.0.2.0285.517
scattered1.3410.0.0.6581.833
grouped crowded0.5580.0.0.5581.041
grouped normal0.3710.0.0.3700.649
heterogeneous0.21000.0.0.6580.850
total27.450.0.14.3941.73
GEn/a0.0.0.0.0.0.0.0.
crowded2.3210.0.0.0.2.321
normal0.31000.0.0.0.0.3100
loose0.0.0.0.0.0.0.0.
open0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.
grouped crowded0.31000.0.0.0.0.3100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total2.8150.0.0.0.2.815
GLn/a0.11000.0.0.5570.649
crowded1.1361.1402.0294.217
normal0.7500.6492.3263.719
loose1.3370.0.0.7501.929
open1.0400.21000.3711.532
scattered1.0410.0.1.0412.128
grouped crowded0.21000.0.0.21000.370
grouped normal0.4710.21000.4571.041
heterogeneous0.11000.0.0.0.0.1100
total6.0152.1277.41315.56
GRn/a0.7500.0.1.8312.527
crowded6.7160.210011.51218.49
normal9.9132.12917.1929.17
loose14.7101.43517.1933.27
open13.2111.33523.7838.26
scattered10.9120.55812.81124.28
grouped crowded4.2200.0.3.7227.915
grouped normal2.3280.0.4.4196.716
heterogeneous1.1410.0.1.2382.228
total63.745.51793.33162.52
JUn/a0.0.0.0.0.0.0.0.
crowded4.9180.7493.6219.212
normal9.3120.21004.31913.89
loose3.4220.21001.3374.818
open2.1280.0.0.9443.023
scattered1.2360.0.0.4711.632
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.5570.0.0.0.0.557
heterogeneous0.0.0.0.0.4710.471
total21.561.14010.71133.32
LUn/a0.6570.0.0.0.0.657
crowded9.6120.0.1.83111.411
normal10.8110.0.2.82413.69
loose5.9160.0.1.4357.314
open4.6190.0.0.5585.118
scattered0.7500.0.0.21000.944
grouped crowded0.21000.0.0.0.0.2100
grouped normal1.1410.0.0.21001.337
heterogeneous1.1410.0.0.0.1.141
total34.640.0.6.91541.42
NEn/a0.21000.0.0.0.0.2100
crowded2.4260.21000.3712.923
normal6.4150.0.1.7318.113
loose6.7140.0.0.8447.513
open4.2190.0.0.7504.817
scattered1.4370.0.0.21001.534
grouped crowded0.4720.0.0.0.0.472
grouped normal0.8500.0.0.21001.045
heterogeneous1.4330.0.0.0.1.433
total24.040.21003.82027.93
NWn/a0.21000.0.0.21000.568
crowded0.5580.0.1.1411.732
normal0.8500.5581.3362.623
loose0.9480.0.0.4721.339
open0.5710.0.0.21000.756
scattered0.21000.0.0.0.0.2100
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.9490.0.0.0.0.949
heterogeneous0.0.0.0.0.0.0.0.
total4.3170.5583.3218.17
OWn/a0.4710.0.0.11000.558
crowded2.3270.3723.3215.914
normal0.8450.0.1.0431.830
loose0.8450.0.1.1401.929
open1.7310.0.1.7313.421
scattered1.9280.0.0.21002.127
grouped crowded0.3710.0.0.7501.041
grouped normal1.7310.0.1.0402.724
heterogeneous0.0.0.0.0.0.0.0.
total10.0110.3729.21019.43
SGn/a0.7500.0.1.6342.328
crowded5.4170.3718.71314.410
normal7.3150.5589.01316.99
loose3.7220.4713.5227.615
open1.8320.21002.4274.520
scattered2.1290.0.1.5353.622
grouped crowded0.8500.0.1.6352.328
grouped normal0.9450.0.1.0441.831
heterogeneous0.21000.0.0.9451.041
total22.981.53530.1654.63
SHn/a0.0.0.0.0.0.0.0.
crowded3.4200.0.0.21003.620
normal6.4120.0.0.4696.811
loose2.0280.0.0.0.2.028
open0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total11.830.0.0.55612.42
SOn/a0.0.0.0.0.0.0.0.
crowded7.3140.4710.6588.313
normal9.9110.6580.84511.210
loose7.1140.21000.4717.714
open4.7190.0.0.11004.818
scattered0.4710.0.0.0.0.471
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total29.431.2401.93032.52
SZn/a0.9450.0.0.21001.140
crowded3.7210.4713.2227.314
normal2.3270.6584.1207.015
loose2.3270.0.2.0284.319
open2.5260.0.1.5334.020
scattered1.4350.0.0.9452.327
grouped crowded0.11000.0.0.0.0.1100
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.0410.0.0.7501.732
total14.591.04412.6928.04
TGn/a0.21000.0.0.0.0.2100
crowded6.5130.0.0.5497.012
normal6.2140.0.1.2397.412
loose2.1270.0.0.4602.624
open1.9300.0.0.2702.128
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.11000.0.0.0.0.1100
total17.340.0.2.32519.73
TIn/a0.0.0.21000.4710.558
crowded5.2183.62229.0737.86
normal4.4201.73316.61022.78
loose1.8311.0419.61312.412
open2.9250.94511.01214.710
scattered2.6260.21004.2207.015
grouped crowded1.2370.0.3.3234.519
grouped normal2.3280.0.4.0216.316
heterogeneous0.7500.0.3.0243.722
total21.097.51581.13109.62
URn/a0.21000.21000.21000.557
crowded1.2371.0411.9284.118
normal1.0400.9441.8283.719
loose0.21000.3690.9441.434
open1.2370.21000.7502.028
scattered0.7500.0.0.21000.844
grouped crowded0.5570.0.0.0.0.557
grouped normal1.7300.21000.4712.226
heterogeneous0.21000.0.0.0.0.2100
total6.8132.8245.81315.45
VDn/a0.21000.0.0.4710.558
crowded19.780.21005.11725.17
normal22.380.3718.31431.06
loose10.7120.0.3.52114.210
open8.6140.0.1.73110.312
scattered6.0160.21001.1417.315
grouped crowded1.6330.0.0.4712.030
grouped normal2.7260.0.0.21002.925
heterogeneous0.9440.0.0.21001.141
total72.830.75020.7894.22
VSn/a0.6580.21001.2382.030
crowded5.2181.53313.51020.28
normal3.7221.93014.01019.69
loose4.5191.73111.71117.99
open5.6170.94515.01021.58
scattered5.8170.4715.41811.612
grouped crowded1.1410.21004.2205.418
grouped normal2.1290.0.2.8254.919
heterogeneous0.4710.21002.8253.323
total29.077.01570.53106.52
ZGn/a0.0.0.0.0.0.0.0.
crowded0.7480.0.0.7471.431
normal1.3330.0.0.9392.223
loose0.6490.0.0.5591.136
open0.0.0.0.0.3710.371
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.4580.0.0.21000.650
total3.1170.0.2.6195.76
ZHn/a0.0.0.0.0.0.0.0.
crowded12.6100.0.0.47013.010
normal21.270.0.1.04122.27
loose9.8120.0.0.0.9.812
open3.7210.0.0.21003.920
scattered0.21000.0.0.0.0.2100
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total47.920.0.1.63349.41
Switzerlandn/a6.5170.6587.11614.211
crowded157.0311.712117.34286.02
normal190.7310.913114.24315.92
loose106.646.01772.75185.43
open77.454.02174.45155.83
scattered42.161.63330.9774.75
grouped crowded16.3100.55818.11034.97
grouped normal20.390.37116.41037.07
heterogeneous11.4120.37113.41125.18
total628.4136.17464.411128.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #852225/318556
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible 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
rockfall SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a12.7125.8183.6241.6351.4381.04526.29
crowded123.4317.61014.2113.5239.4146.517174.63
heterogeneous11.7134.6211.4380.21003.2250.47121.510
normal, loose151.4324.5914.0114.32113.6125.020212.83
open, scattered47.4619.3109.31410.71312.4125.119104.24
crowded, clustered normal7.6169.5147.2164.22210.6132.13041.37
total354.3181.4449.7524.5850.6520.19580.61
inside perimetern/a0.4710.0.0.21000.6580.0.0.21001.438
crowded2.0321.5382.6281.3370.4714.92012.612
heterogeneous0.0.0.6580.0.0.21000.4710.4711.635
normal, loose1.2411.7352.7272.5271.4382.42911.813
open, scattered0.4710.4710.4711.8330.21000.8504.022
crowded, clustered normal0.0.0.21000.8500.4710.5581.0452.926
total3.9224.3226.7176.8162.9269.61434.37
outside perimetern/a2.9265.0202.8272.2302.0322.32917.211
crowded18.71026.3822.3910.61312.41235.36125.64
heterogeneous2.0327.7161.8333.9223.1252.13020.510
normal, loose22.0930.6820.8916.71016.61020.79127.44
open, scattered6.71719.0105.41922.5919.5919.4992.54
crowded, clustered normal1.63512.1125.71811.91214.21113.51259.06
total53.96100.7358.8467.7467.8493.33442.22
totaln/a16.01110.8136.6174.5213.4243.52344.87
crowded144.1345.3639.0615.41022.2946.65312.72
heterogeneous13.71212.9123.2254.3216.7172.92643.67
normal, loose174.6356.8537.5623.5831.6728.18352.02
open, scattered54.5638.7715.21134.9632.1725.38200.83
crowded, clustered normal9.21521.8913.71116.51025.4816.710103.34
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #852226/318557
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a14.5116.7175.4192.6281.8331.63532.58
crowded124.6318.01014.4113.92210.0146.917177.83
heterogeneous11.7134.8211.4380.21003.6230.47122.19
normal, loose153.3325.4814.6114.52114.4115.519217.83
open, scattered49.4620.799.71411.21313.2125.918110.24
crowded, clustered normal8.41510.2147.4164.62111.2132.72644.67
total362.0185.7452.9527.1854.3523.09605.01
inside perimetern/a0.4710.0.0.21000.8500.0.0.21001.635
crowded2.0321.5382.6281.3370.4714.92012.612
heterogeneous0.0.0.6580.21000.21000.4710.4711.833
normal, loose1.2411.7352.9262.5271.6352.42912.213
open, scattered0.4710.4710.4712.0310.21000.8504.222
crowded, clustered normal0.0.0.21001.0450.4710.5581.2413.324
total3.9224.3227.3167.2163.1259.81435.77
outside perimetern/a2.9265.6193.2252.4292.6283.12519.910
crowded18.91027.5822.7810.81312.41236.16128.34
heterogeneous2.2307.9161.8333.9223.1252.13020.910
normal, loose22.2931.8721.5917.31017.01021.79131.44
open, scattered6.91719.8106.01823.1820.0919.8995.74
crowded, clustered normal1.63512.3125.91811.91214.41113.91160.05
total54.76104.9361.0469.3369.6496.73456.22
totaln/a17.81012.2138.8155.9184.4214.92054.06
crowded145.5347.0639.6616.01022.8847.85318.72
heterogeneous13.91213.3123.4244.3217.1162.92644.87
normal, loose176.7358.9538.9624.3833.0729.67361.32
open, scattered56.7540.9616.21136.3633.4726.58210.13
crowded, clustered normal10.01422.6914.31116.91026.2817.810107.94
total420.61194.91121.32103.62127.02129.521096.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #852227/318558
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