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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/a0.40.10.80.31.90.60.60.40.30.20.0.0.60.1
crowded23.70.99.00.913.11.44.30.94.20.84.20.813.60.5
normal34.31.08.20.98.51.22.60.76.61.03.40.717.10.5
loose15.20.88.30.96.01.04.40.910.01.21.80.59.80.4
open8.30.67.70.94.90.95.51.09.81.22.70.77.10.3
scattered1.90.33.60.63.50.84.40.96.11.01.70.53.10.2
grouped crowded0.40.12.10.51.60.50.60.42.50.60.30.21.10.1
grouped normal0.70.22.50.52.10.61.90.61.50.51.60.51.50.2
heterogeneous1.10.21.40.41.50.50.40.30.70.30.60.31.00.1
total86.00.843.71.643.12.024.81.941.72.016.31.554.90.6
inside perimetern/a0.0.0.0.0.20.20.20.20.0.0.20.20.10.0
crowded0.40.11.00.32.00.61.50.50.0.3.10.71.10.1
normal0.30.10.60.32.30.62.00.61.10.41.80.51.00.1
loose0.20.10.10.10.50.31.90.60.60.30.90.40.50.1
open0.0.0.20.10.50.30.60.40.60.31.10.40.40.1
scattered0.00.00.10.10.0.0.40.30.0.0.60.30.20.1
grouped crowded0.0.0.20.10.0.0.0.0.0.0.0.0.00.0
grouped normal0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
heterogeneous0.0.0.10.10.0.0.20.20.0.0.0.0.00.0
total0.90.22.30.55.81.06.91.12.40.67.81.13.20.2
outside perimetern/a0.0.0.80.31.40.51.00.51.50.50.50.30.60.1
crowded4.00.414.01.116.81.513.01.56.51.025.01.710.70.4
normal5.50.513.31.115.21.513.31.59.51.215.41.510.30.4
loose2.20.310.21.06.41.011.21.412.11.310.01.26.90.3
open1.00.27.80.94.80.914.61.614.21.412.21.36.70.3
scattered0.20.12.30.53.20.75.61.06.21.04.40.82.60.2
grouped crowded0.10.12.00.51.20.54.00.92.30.62.40.61.40.2
grouped normal0.00.01.70.40.50.32.70.72.80.73.30.71.30.2
heterogeneous0.20.12.00.51.60.53.00.80.80.42.70.61.30.2
total13.10.754.01.651.12.168.42.055.92.075.81.741.80.6
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 #852180/318511
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a3.20.33.50.44.70.63.20.61.70.41.10.33.00.2
crowded29.80.79.50.712.20.93.80.67.40.75.20.616.30.3
heterogeneous2.70.22.50.40.90.30.40.22.40.40.20.11.90.1
normal, loose37.00.713.70.812.10.95.80.711.10.93.60.520.20.4
open, scattered12.10.510.00.78.20.811.31.012.20.94.60.610.30.3
crowded, clustered normal2.20.24.80.54.80.64.60.78.10.82.50.43.90.2
total87.00.544.01.142.91.429.11.443.01.417.21.055.70.4
inside perimetern/a0.00.00.0.0.20.10.60.20.10.10.20.10.10.0
crowded0.40.10.80.22.50.41.20.30.60.23.40.51.20.1
heterogeneous0.0.0.20.10.20.10.10.10.30.20.20.10.10.0
normal, loose0.30.10.70.21.70.41.80.41.40.31.60.30.90.1
open, scattered0.10.00.30.10.30.22.00.40.50.21.10.30.50.1
crowded, clustered normal0.00.00.30.10.70.20.60.20.50.20.80.30.30.1
total0.90.12.20.35.60.76.30.83.20.57.40.73.20.2
outside perimetern/a0.50.12.60.43.50.52.80.52.10.41.70.41.80.1
crowded4.90.313.90.819.61.19.70.911.10.928.41.212.10.3
heterogeneous0.40.14.20.51.40.33.80.62.70.51.80.41.90.1
normal, loose4.30.317.10.916.21.115.81.113.20.917.41.011.60.3
open, scattered1.80.210.20.75.90.721.81.314.51.015.41.08.70.3
crowded, clustered normal0.30.15.80.54.80.610.71.010.20.810.60.85.10.2
total12.10.553.71.151.51.464.61.553.81.475.41.241.10.4
totaln/a3.80.36.10.58.50.86.60.83.90.53.00.54.90.2
crowded35.10.724.11.034.31.314.81.119.11.137.01.329.50.4
heterogeneous3.10.36.80.62.50.54.30.65.50.62.30.44.00.2
normal, loose41.70.831.51.130.01.323.41.325.61.222.61.132.70.4
open, scattered14.00.520.50.914.51.035.01.527.21.221.11.119.50.4
crowded, clustered normal2.50.210.90.710.30.915.91.118.71.114.00.99.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852181/318512
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/a0.30.10.70.31.70.50.60.30.40.30.0.0.60.1
crowded23.90.99.30.912.71.34.40.94.50.84.20.813.50.4
normal33.81.08.30.99.41.23.40.86.81.03.80.716.90.5
loose15.00.88.10.95.60.94.30.99.91.11.90.59.50.4
open8.30.67.50.84.90.95.51.09.11.13.20.77.00.3
scattered2.10.34.00.63.80.85.61.07.21.02.90.63.70.2
grouped crowded0.80.22.40.51.80.50.80.43.10.70.60.31.40.2
grouped normal0.80.23.30.62.40.62.10.61.70.51.70.51.80.2
heterogeneous1.00.21.50.41.60.50.40.30.70.30.60.31.00.1
total86.20.745.01.643.82.027.21.943.61.918.71.555.40.6
inside perimetern/a0.0.0.0.0.20.20.20.20.0.0.20.20.10.0
crowded0.40.10.90.32.20.61.40.50.0.3.00.71.10.1
normal0.30.10.50.22.30.61.80.61.00.41.60.51.00.1
loose0.20.10.10.10.60.31.80.60.70.31.00.40.50.1
open0.0.0.20.10.50.31.00.40.60.31.20.40.40.1
scattered0.00.00.10.10.0.0.40.30.0.0.60.30.10.1
grouped crowded0.0.0.20.10.0.0.20.20.0.0.0.0.10.0
grouped normal0.0.0.0.0.30.20.0.0.0.0.0.0.00.0
heterogeneous0.0.0.10.10.0.0.20.20.0.0.0.0.00.0
total0.90.22.20.56.11.07.01.12.30.67.51.03.20.2
outside perimetern/a0.0.0.70.31.40.51.10.51.30.40.40.30.60.1
crowded3.90.413.31.116.01.412.31.46.00.923.21.610.30.4
normal5.40.513.11.115.01.412.71.49.31.115.01.410.10.4
loose2.10.39.81.06.51.010.81.311.21.29.31.16.70.3
open0.90.27.80.94.60.814.21.513.21.311.71.26.60.3
scattered0.20.12.10.52.90.75.41.07.01.05.40.82.80.2
grouped crowded0.10.12.20.51.40.53.80.82.80.62.70.61.60.2
grouped normal0.10.11.70.40.80.42.80.72.60.63.40.71.40.2
heterogeneous0.20.11.90.41.40.52.80.70.70.32.60.61.20.1
total12.90.752.81.650.12.065.82.054.11.973.81.741.40.6
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 #852182/318513
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/a0.30.10.70.31.80.50.50.30.50.30.0.0.60.1
crowded24.80.99.20.912.41.24.90.94.70.84.10.713.80.4
normal33.51.08.90.99.31.13.50.77.20.93.50.716.80.4
loose14.90.77.80.85.60.84.30.89.91.12.30.59.50.4
open8.20.67.60.84.70.85.30.98.91.03.00.66.90.3
scattered2.20.34.20.64.10.75.40.96.90.92.90.63.70.2
grouped crowded0.70.22.20.41.70.51.00.43.10.60.90.31.40.1
grouped normal0.90.23.10.52.70.62.00.61.60.41.80.51.80.2
heterogeneous1.00.21.70.41.80.50.30.20.70.30.60.31.10.1
total86.50.745.31.544.11.827.21.843.41.819.11.455.50.5
inside perimetern/a0.0.0.0.0.10.10.20.20.0.0.10.10.00.0
crowded0.40.10.90.32.20.51.50.50.0.2.80.61.00.1
normal0.30.10.80.32.00.51.80.51.30.41.50.41.00.1
loose0.20.10.10.10.50.31.60.50.60.31.10.40.50.1
open0.0.0.20.10.40.30.90.40.50.21.20.40.40.1
scattered0.00.00.20.10.0.0.40.20.0.0.50.30.10.0
grouped crowded0.0.0.20.10.0.0.20.20.0.0.0.0.00.0
grouped normal0.0.0.0.0.30.20.0.0.0.0.0.0.00.0
heterogeneous0.0.0.10.10.0.0.20.20.0.0.0.0.00.0
total0.90.22.40.55.60.96.51.02.40.57.20.93.20.2
outside perimetern/a0.0.0.70.21.80.51.20.41.20.40.40.20.60.1
crowded3.90.413.51.016.11.312.61.35.80.823.71.510.40.4
normal5.20.413.11.014.81.313.21.410.01.114.81.310.20.4
loose2.00.39.40.96.20.911.01.310.71.19.11.06.50.3
open1.00.27.70.84.50.814.11.413.31.212.11.26.60.3
scattered0.20.12.10.42.80.65.10.97.30.95.20.82.70.2
grouped crowded0.10.12.30.41.40.43.90.82.60.62.60.61.60.2
grouped normal0.10.11.60.41.40.42.60.62.60.63.60.71.50.1
heterogeneous0.20.12.00.41.40.42.60.60.60.32.40.51.20.1
total12.60.752.31.550.31.866.31.954.21.873.71.641.30.5
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 #852183/318514
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/a2.50.65.41.53.31.23.00.92.90.74.21.52.30.73.01.04.11.34.92.12.11.21.60.61.20.40.80.42.50.2
crowded21.31.535.23.331.63.135.32.535.62.110.52.211.51.515.72.04.61.38.82.57.02.23.60.87.71.15.30.916.60.5
heterogeneous6.50.90.0.1.00.70.90.51.10.51.10.84.10.91.50.70.40.41.01.00.70.70.20.22.60.70.30.22.00.2
normal, loose27.21.639.03.334.63.238.72.648.52.112.72.415.61.715.72.08.81.810.33.04.21.74.30.911.21.34.00.820.10.5
open, scattered18.21.48.61.915.92.46.91.34.80.97.11.910.21.47.51.413.32.211.93.06.32.110.81.410.21.24.20.89.90.4
crowded, clustered normal2.50.60.0.3.01.11.50.71.40.53.11.36.71.15.21.23.31.18.22.68.02.54.30.98.71.11.70.53.90.3
total78.31.588.22.289.42.186.31.894.31.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.00.6
inside perimetern/a0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.01.00.60.40.0.0.20.20.10.1
crowded1.00.40.60.60.0.0.30.30.0.0.0.0.60.40.60.41.60.84.72.14.21.71.30.50.30.24.00.81.20.1
heterogeneous0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.10.70.0.0.0.0.20.20.30.20.30.20.10.1
normal, loose0.80.30.0.0.0.0.0.0.0.0.40.40.0.0.30.32.71.04.72.15.72.02.50.71.20.41.90.51.10.1
open, scattered0.30.20.0.0.0.0.0.0.0.0.0.0.20.20.0.0.40.40.90.90.70.71.80.60.20.20.60.30.40.1
crowded, clustered normal0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.42.81.60.70.70.40.30.50.30.80.40.30.1
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.90.56.31.513.13.312.32.96.91.12.40.67.81.13.20.2
outside perimetern/a1.20.40.90.60.40.40.60.40.20.23.71.42.20.72.50.92.91.11.01.03.81.72.20.71.60.51.90.51.60.2
crowded7.71.04.51.40.80.64.21.11.80.616.82.614.51.719.72.111.32.016.53.620.53.510.71.410.21.228.71.811.80.4
heterogeneous0.80.30.0.0.0.0.90.50.20.20.80.66.41.12.30.82.81.10.90.90.0.3.90.92.60.61.70.51.90.2
normal, loose6.80.94.01.36.71.75.81.23.00.718.42.813.01.619.42.120.92.613.83.318.23.316.91.713.71.416.81.512.00.4
open, scattered2.50.61.30.82.71.11.50.60.20.214.42.66.61.13.10.914.02.23.81.98.82.522.71.916.11.515.81.48.70.4
crowded, clustered normal0.40.20.40.40.0.0.60.40.40.36.81.86.11.13.61.07.31.65.72.38.02.312.01.411.71.311.01.25.60.3
total19.41.411.22.110.62.113.41.85.71.060.93.648.82.350.52.759.23.141.74.859.34.368.42.055.92.075.81.741.80.6
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 #852184/318515
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/a2.50.44.51.04.10.93.10.63.20.54.61.03.20.64.40.83.30.85.81.64.71.33.20.61.70.41.10.33.00.2
crowded22.41.133.72.228.82.033.61.836.51.49.41.412.11.015.01.34.50.97.11.69.61.73.80.67.40.75.20.616.30.3
heterogeneous6.20.60.40.31.10.51.10.40.60.20.50.34.00.61.00.41.10.51.30.80.40.40.40.22.40.40.20.11.90.1
normal, loose26.61.140.52.336.92.239.41.848.61.511.61.616.11.216.11.410.51.39.21.94.31.25.80.711.10.93.60.520.20.4
open, scattered19.41.08.51.315.91.77.11.05.00.76.61.29.80.97.21.013.21.511.52.18.11.611.31.012.20.94.60.610.40.3
crowded, clustered normal3.40.51.70.63.00.81.30.40.90.33.40.96.40.83.80.73.10.86.21.66.31.54.60.78.10.82.50.43.90.2
total80.41.089.41.589.71.485.61.394.80.736.02.351.71.647.51.935.82.141.13.233.42.829.11.443.01.417.21.055.70.4
inside perimetern/a0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.40.40.60.20.10.10.20.10.10.0
crowded0.90.20.50.30.20.20.30.20.0.0.30.30.60.30.60.31.60.65.31.54.81.31.20.30.60.23.40.51.20.1
heterogeneous0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.30.60.60.40.40.10.10.30.20.20.10.10.0
normal, loose0.70.20.20.20.0.0.0.0.0.0.50.30.30.20.30.21.70.64.61.43.11.01.80.41.40.31.60.30.90.1
open, scattered0.20.10.20.20.0.0.0.0.0.0.0.0.20.10.0.0.80.41.40.80.40.42.00.40.50.21.10.30.50.1
crowded, clustered normal0.10.10.0.0.0.0.0.0.0.0.20.20.20.20.0.0.40.33.01.10.30.30.60.20.50.20.80.30.30.1
total2.00.40.90.50.20.20.30.20.0.1.00.51.30.41.00.45.01.014.82.49.41.76.30.83.20.57.40.73.20.2
outside perimetern/a0.80.20.40.30.80.40.60.30.10.13.60.92.00.43.30.73.00.72.81.14.71.32.80.52.10.41.70.41.80.1
crowded7.20.73.70.92.10.76.30.92.40.516.81.813.51.118.71.511.81.417.62.523.52.59.70.911.10.928.41.212.00.3
heterogeneous0.80.20.0.0.0.0.40.20.10.11.30.56.60.82.00.51.90.60.90.60.30.33.80.62.70.51.80.41.90.1
normal, loose5.80.63.70.94.20.95.30.82.00.422.92.012.71.118.21.520.71.812.22.214.62.115.81.113.20.917.41.011.60.3
open, scattered2.90.41.60.63.00.81.00.40.30.212.01.67.10.85.40.914.91.55.81.67.01.521.81.314.51.015.41.08.70.3
crowded, clustered normal0.20.10.20.20.0.0.60.30.30.26.31.25.10.73.90.76.91.14.81.47.11.510.71.010.20.810.60.85.10.2
total17.61.09.71.410.11.414.11.35.20.763.02.447.01.651.51.959.22.144.13.357.23.064.61.553.81.475.41.241.10.4
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 #852185/318516
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/a2.90.66.01.64.41.43.30.93.00.74.61.52.40.74.71.24.61.36.22.32.61.32.50.71.50.51.20.43.00.2
crowded20.81.435.03.330.53.035.32.535.62.010.22.111.21.515.11.94.71.38.12.37.42.23.80.87.91.15.30.916.20.5
heterogeneous6.40.90.0.0.90.60.80.51.10.51.00.84.00.91.50.70.80.50.90.90.70.70.20.22.80.70.30.22.00.2
normal, loose27.01.638.83.333.93.138.62.648.32.112.42.415.21.615.41.99.21.811.33.04.01.64.40.911.31.34.30.819.80.5
open, scattered18.61.48.61.916.62.46.81.34.80.97.01.910.61.47.21.413.62.111.82.86.62.010.91.310.41.24.60.810.10.4
crowded, clustered normal2.90.60.0.2.91.11.50.61.60.53.01.26.91.15.01.23.41.17.52.48.32.44.50.98.81.12.10.64.10.3
total78.51.588.32.289.32.086.31.894.41.038.23.550.32.349.02.736.23.045.84.529.63.826.21.942.71.917.81.555.20.6
inside perimetern/a0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.90.80.40.0.0.20.20.20.1
crowded1.00.40.60.60.0.0.30.30.0.0.0.0.60.40.60.41.50.84.31.94.01.61.20.50.30.23.80.71.10.1
heterogeneous0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.10.60.0.0.70.70.20.20.30.20.30.20.20.1
normal, loose0.80.30.0.0.0.0.0.0.0.0.40.40.0.0.30.32.61.05.22.15.41.92.40.71.30.41.80.51.10.1
open, scattered0.30.20.0.0.0.0.0.0.0.0.0.0.20.20.0.0.40.40.80.80.70.72.00.60.20.20.60.30.40.1
crowded, clustered normal0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.43.31.70.60.60.40.30.40.20.90.40.30.1
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.90.55.91.413.63.212.32.87.01.12.50.67.61.03.20.2
outside perimetern/a1.20.40.90.60.40.40.60.40.20.25.11.62.10.62.40.82.71.00.90.95.01.92.30.72.00.62.40.61.80.2
crowded7.50.94.51.40.80.64.41.11.70.516.82.614.41.619.32.111.71.915.93.419.33.410.41.39.71.227.91.711.70.4
heterogeneous0.90.30.0.0.0.0.80.50.20.20.80.66.31.12.20.82.71.00.80.80.0.3.70.82.50.61.60.51.90.2
normal, loose6.60.94.01.36.81.75.71.22.90.718.02.713.31.619.02.120.22.513.43.117.93.216.71.613.41.316.71.512.00.4
open, scattered2.60.61.30.82.61.11.40.60.20.214.02.56.81.13.51.013.82.14.31.98.42.422.31.815.81.415.31.48.70.4
crowded, clustered normal0.40.20.40.40.0.0.60.40.40.36.61.76.01.13.71.06.81.55.22.17.52.211.51.411.41.210.71.25.50.3
total19.21.411.12.110.72.013.41.85.61.061.43.548.92.350.12.757.83.040.64.558.14.266.92.054.82.074.61.741.60.6
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 #852186/318517
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/a0.30.20.0.0.0.0.90.50.40.30.0.0.80.42.40.81.20.72.91.70.0.0.60.40.30.20.0.0.60.1
crowded16.11.323.22.939.23.224.12.328.11.910.32.19.11.416.52.07.61.69.92.77.32.14.30.94.20.84.20.813.70.5
normal27.11.647.73.429.43.036.52.639.42.18.42.08.71.311.81.87.71.76.52.42.41.42.60.76.61.03.40.717.20.5
loose16.11.412.22.210.02.014.31.917.61.66.61.912.31.57.21.42.30.92.81.65.52.14.40.910.01.21.80.59.80.4
open10.71.13.71.37.11.77.61.47.71.15.81.89.91.34.71.24.51.39.12.72.61.55.51.09.81.22.70.77.00.3
scattered3.50.70.90.62.71.10.90.50.50.33.11.42.80.71.50.75.71.54.62.07.12.24.40.96.11.01.70.53.10.2
grouped crowded0.80.30.0.0.90.60.30.30.0.1.50.81.60.50.90.53.61.23.81.91.30.90.60.42.50.60.30.21.10.1
grouped normal1.70.50.60.60.0.0.0.0.20.22.61.22.60.71.50.62.00.94.82.11.51.01.90.61.50.51.60.51.50.2
heterogeneous1.90.50.0.0.0.1.80.70.30.20.40.42.60.72.10.80.0.0.90.90.70.70.40.30.70.30.60.31.00.1
total78.31.588.22.289.42.186.31.894.31.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.00.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.01.00.0.0.20.20.0.0.20.20.10.0
crowded1.20.40.0.0.0.0.0.0.0.0.0.0.40.30.90.52.71.02.81.64.21.71.50.50.0.3.10.71.10.1
normal0.60.30.0.0.0.0.30.30.0.0.0.0.20.20.0.1.60.86.62.44.71.82.00.61.10.41.80.51.00.1
loose0.40.20.60.60.0.0.0.0.0.0.0.0.0.0.0.0.40.41.81.21.01.01.90.60.60.30.90.40.50.1
open0.0.0.0.0.0.0.0.0.0.0.40.40.20.20.0.0.0.0.90.91.71.20.60.40.60.31.10.40.40.1
scattered0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.40.30.0.0.60.30.20.1
grouped crowded0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.60.0.0.0.0.0.0.0.0.0.0.00.0
grouped normal0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.00.0
heterogeneous0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.20.20.0.0.0.0.00.0
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.90.56.31.513.13.312.32.96.91.12.40.67.81.13.20.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.70.70.60.30.0.1.20.71.91.44.11.61.00.51.50.50.50.30.60.1
crowded5.20.85.31.54.41.44.51.11.00.416.62.711.71.518.52.116.52.313.13.215.53.213.01.56.51.025.01.710.70.4
normal8.21.03.61.34.91.44.51.13.40.818.22.811.91.515.92.012.42.113.83.414.93.013.31.59.51.215.41.510.30.4
loose3.30.71.30.80.50.53.00.90.90.410.52.210.31.46.71.49.41.86.42.45.31.911.21.412.11.310.01.26.90.3
open1.60.50.40.40.50.51.10.60.30.27.01.88.41.35.31.27.01.63.71.84.51.814.61.614.21.412.21.36.70.3
scattered0.40.20.0.0.40.40.0.0.0.2.41.20.80.42.00.85.31.41.81.27.22.25.61.06.21.04.40.82.60.2
grouped crowded0.30.20.0.0.0.0.0.0.0.2.31.11.00.40.90.53.61.20.0.2.71.34.00.92.30.62.40.61.40.2
grouped normal0.10.10.0.0.0.0.0.0.0.1.40.81.50.50.0.2.00.91.01.01.41.02.70.72.80.73.30.71.30.2
heterogeneous0.30.20.50.50.0.0.30.30.0.1.81.02.50.71.20.61.70.80.0.3.71.73.00.80.80.42.70.61.30.2
total19.41.411.22.110.62.113.41.85.71.060.93.648.82.350.52.759.23.141.74.859.34.368.42.055.92.075.81.741.80.6
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 #852187/318518
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/a0.30.20.0.0.0.0.80.50.40.30.0.0.80.42.30.81.10.62.51.40.0.0.60.30.40.30.0.0.60.1
crowded16.11.323.32.939.53.124.42.328.51.910.12.09.51.316.02.08.01.611.02.76.51.94.40.94.50.84.20.813.60.4
normal26.41.647.43.429.73.036.32.539.02.18.92.08.41.312.91.88.11.77.32.43.51.63.40.86.81.03.80.716.90.5
loose15.71.312.62.29.41.914.11.817.71.66.21.812.01.56.91.32.50.92.41.45.51.94.30.99.91.11.90.59.50.4
open10.61.13.61.37.11.67.81.47.71.15.51.79.61.34.51.14.91.37.82.43.51.65.51.09.11.13.20.76.90.3
scattered4.20.70.90.62.61.00.80.50.50.34.51.62.80.71.50.75.91.44.81.98.32.25.61.07.21.02.90.63.70.2
grouped crowded1.50.40.0.1.20.70.50.40.20.21.40.81.50.50.80.54.71.33.31.62.41.20.80.43.10.70.60.31.40.2
grouped normal2.00.50.60.60.0.0.0.0.20.22.91.24.00.81.40.62.20.95.82.11.91.12.10.61.70.51.70.51.80.2
heterogeneous1.90.50.0.0.0.1.70.70.30.20.40.42.70.72.00.70.0.1.61.10.60.60.40.30.70.30.60.31.00.1
total78.61.588.42.189.62.086.51.894.51.039.93.551.22.248.22.637.32.946.54.432.23.827.21.943.61.918.71.555.40.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.90.0.0.20.20.0.0.20.20.10.0
crowded1.10.40.0.0.0.0.0.0.0.0.0.0.40.30.90.52.50.94.11.83.81.51.40.50.0.3.00.71.00.1
normal0.60.30.0.0.0.0.30.30.0.0.0.0.20.20.0.1.50.76.42.24.21.61.80.61.00.41.60.50.90.1
loose0.40.20.60.60.0.0.0.0.0.0.0.0.0.0.0.0.40.41.51.11.51.11.80.60.70.31.00.40.50.1
open0.0.0.0.0.0.0.0.0.0.0.40.40.20.20.0.0.0.0.80.81.51.11.00.40.60.31.20.40.40.1
scattered0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.40.30.0.0.60.30.10.1
grouped crowded0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.50.0.0.0.0.20.20.0.0.0.0.10.0
grouped normal0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.60.60.0.0.0.0.0.0.00.0
heterogeneous0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.20.20.0.0.0.0.00.0
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.90.55.81.414.43.211.52.67.01.12.30.67.51.03.20.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.70.60.60.30.30.31.10.61.71.23.71.51.10.51.30.40.40.30.60.1
crowded5.20.85.31.54.11.34.41.11.00.415.72.511.11.418.22.015.82.212.12.914.42.912.31.46.00.923.21.610.30.4
normal7.81.03.61.25.01.44.41.13.30.817.52.712.11.516.22.012.12.013.43.113.82.812.71.49.31.115.01.410.10.4
loose3.30.61.30.80.40.43.00.90.90.49.92.09.91.47.11.49.31.76.32.24.71.710.81.311.21.29.31.16.70.3
open1.60.50.40.40.50.51.10.50.30.27.01.88.41.25.01.27.21.63.21.64.61.714.21.513.21.311.71.26.60.3
scattered0.40.20.0.0.40.40.0.0.0.2.31.10.80.41.90.84.91.31.51.16.42.05.41.07.01.05.40.82.80.2
grouped crowded0.20.20.0.0.0.0.0.0.0.3.61.31.00.41.10.53.31.10.0.3.01.33.80.82.80.62.70.61.60.2
grouped normal0.30.20.0.0.0.0.0.0.0.1.30.81.60.50.0.1.90.80.90.92.41.22.80.72.60.63.40.71.40.2
heterogeneous0.30.20.50.50.0.0.30.30.0.1.71.02.60.71.20.61.50.80.0.3.21.52.80.70.70.32.60.61.30.1
total19.11.411.02.110.42.013.21.85.51.059.73.548.02.250.92.657.03.039.14.456.24.065.82.054.11.973.81.741.40.6
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 #852188/318519
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/a0.30.20.0.0.0.0.70.40.40.30.0.0.90.42.00.71.00.62.91.40.50.50.50.30.50.30.0.0.60.1
crowded16.81.325.12.839.63.025.02.229.81.810.31.99.61.315.61.87.31.510.82.56.41.84.90.94.70.84.10.713.90.4
normal26.21.547.43.228.72.736.32.438.51.98.61.99.51.212.41.78.41.67.52.23.61.53.50.77.20.93.50.716.80.4
loose15.81.211.82.010.31.813.71.717.31.55.81.611.61.47.41.32.20.82.01.14.91.74.30.89.91.12.30.59.40.4
open10.51.13.31.26.71.57.81.37.51.06.11.69.61.24.11.04.81.27.32.14.11.55.30.98.91.03.00.66.80.3
scattered4.20.70.80.62.61.01.00.50.50.34.71.43.10.72.00.76.01.45.41.97.92.05.40.96.90.92.90.63.70.2
grouped crowded1.30.40.0.1.10.60.50.30.20.21.60.81.30.51.00.54.31.22.71.42.21.11.00.43.10.60.90.31.40.1
grouped normal2.30.50.60.60.0.0.0.0.10.12.51.03.70.81.20.52.00.87.62.22.41.22.00.61.60.41.80.51.80.2
heterogeneous1.80.50.0.0.0.1.80.70.30.20.80.62.70.72.20.70.40.42.01.10.50.50.30.20.70.30.60.31.00.1
total79.11.488.92.089.01.986.81.794.60.940.53.252.12.147.92.536.32.848.24.132.53.627.21.843.41.819.11.455.50.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.20.20.0.0.10.10.00.0
crowded1.10.40.0.0.0.0.0.0.0.0.0.0.50.31.00.52.20.84.21.73.41.41.50.50.0.2.80.61.00.1
normal0.60.30.0.0.0.0.50.40.0.0.0.0.60.30.0.1.60.75.31.93.71.41.80.51.30.41.50.41.00.1
loose0.40.20.60.60.0.0.0.0.0.0.0.0.0.0.0.0.30.31.20.91.30.91.60.50.60.31.10.40.50.1
open0.0.0.0.0.0.0.0.0.0.0.40.40.20.20.0.0.0.0.70.71.41.00.90.40.50.21.20.40.40.1
scattered0.10.10.0.0.0.0.0.0.0.0.40.40.0.0.0.0.30.30.0.0.0.0.40.20.0.0.50.30.10.0
grouped crowded0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.50.0.0.0.0.20.20.0.0.0.0.00.0
grouped normal0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.50.50.0.0.0.0.0.0.00.0
heterogeneous0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.20.20.0.0.0.0.00.0
total2.30.50.60.60.0.0.50.40.0.0.70.51.30.51.00.55.61.312.92.810.32.46.51.02.40.57.20.93.20.2
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.50.50.50.30.80.41.00.61.41.04.61.61.20.41.20.40.40.20.60.1
crowded5.10.75.01.45.11.34.11.01.10.415.42.310.81.318.21.917.02.213.72.813.42.612.61.35.80.823.71.510.40.4
normal7.50.93.61.24.81.34.51.03.10.717.22.512.01.416.01.812.21.912.02.714.52.713.21.410.01.114.81.310.20.4
loose3.20.61.20.70.30.32.60.80.80.410.12.09.21.27.11.39.11.75.91.94.11.511.01.310.71.19.11.06.50.3
open1.60.40.40.40.40.41.20.50.50.37.11.78.11.14.81.07.21.53.41.54.51.614.11.413.31.212.11.26.60.3
scattered0.40.20.0.0.40.40.0.0.0.2.41.10.70.41.90.74.81.21.20.96.31.85.10.97.30.95.20.82.80.2
grouped crowded0.20.20.0.0.0.0.0.0.0.3.21.11.40.50.90.53.31.00.0.3.31.33.90.82.60.62.60.61.60.2
grouped normal0.20.20.0.0.0.0.0.0.0.1.20.71.60.50.20.21.70.81.30.93.61.32.60.62.60.63.60.71.40.1
heterogeneous0.20.20.40.40.0.0.20.20.0.1.70.92.40.71.20.61.70.80.0.2.91.32.60.60.60.32.40.51.20.1
total18.61.310.51.911.01.912.71.65.40.958.83.246.72.151.12.558.12.838.84.057.23.866.31.954.21.873.71.641.30.5
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 #852189/318520
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/a3.20.63.00.52.80.52.10.40.80.42.50.2
crowded24.31.434.81.412.71.15.90.65.30.916.50.5
heterogeneous5.10.71.00.32.70.51.20.30.30.22.00.2
normal, loose29.81.542.61.515.11.18.00.74.00.820.10.5
open, scattered16.11.27.60.88.70.910.60.84.20.89.90.4
crowded, clustered normal1.90.51.80.45.60.76.30.61.70.53.90.3
total80.41.390.70.947.61.634.21.216.31.554.90.6
inside perimetern/a0.20.20.0.0.0.0.30.10.20.20.10.1
crowded0.90.30.10.10.50.21.50.34.00.81.20.1
heterogeneous0.0.0.0.0.0.0.40.20.30.20.10.1
normal, loose0.60.20.0.0.20.12.50.41.90.51.10.1
open, scattered0.20.10.0.0.10.10.80.20.60.30.40.1
crowded, clustered normal0.0.0.0.0.0.0.60.20.80.40.30.1
total1.90.40.10.10.80.36.00.67.81.13.20.2
outside perimetern/a1.10.30.40.22.60.52.10.41.90.51.60.2
crowded7.00.82.40.516.81.211.80.828.71.811.90.4
heterogeneous0.60.30.40.23.80.62.70.41.70.51.90.2
normal, loose6.20.84.60.616.31.216.30.916.81.512.10.4
open, scattered2.30.51.10.36.80.816.40.915.81.48.70.4
crowded, clustered normal0.40.20.40.25.40.710.50.811.01.25.60.3
total17.61.29.20.951.61.659.81.275.81.741.90.6
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 #852190/318521
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/a3.50.63.30.53.50.62.70.41.20.42.90.2
crowded23.91.334.61.412.41.06.10.65.30.916.20.5
heterogeneous5.00.70.90.32.60.51.40.30.30.22.00.2
normal, loose29.61.542.21.514.71.18.20.74.30.819.80.5
open, scattered16.41.27.80.88.80.910.80.74.60.810.10.4
crowded, clustered normal2.20.51.80.45.60.76.40.62.10.64.10.3
total80.61.390.80.947.61.535.51.217.81.555.10.6
inside perimetern/a0.20.10.0.0.0.0.30.10.20.20.10.1
crowded0.90.30.10.10.50.21.40.33.80.71.20.1
heterogeneous0.0.0.0.0.0.0.40.20.30.20.20.1
normal, loose0.60.20.0.0.20.12.50.41.80.51.10.1
open, scattered0.20.10.0.0.10.10.80.20.60.30.40.1
crowded, clustered normal0.0.0.0.0.0.0.60.20.90.40.30.1
total1.90.40.10.10.80.36.00.67.61.03.30.2
outside perimetern/a1.10.30.40.22.80.52.40.42.40.61.80.2
crowded6.90.82.40.516.61.111.50.827.91.711.70.4
heterogeneous0.70.30.30.23.80.62.60.41.60.51.90.2
normal, loose6.10.84.60.616.21.115.90.916.71.512.00.4
open, scattered2.30.51.00.37.00.816.10.915.31.48.70.4
crowded, clustered normal0.40.20.30.25.40.710.00.710.71.25.50.3
total17.51.29.10.851.61.558.41.274.61.741.60.6
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 #852191/318522
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/a2.90.43.40.43.80.42.90.31.10.33.00.2
crowded25.01.034.01.012.60.76.00.45.20.616.30.3
heterogeneous4.80.50.90.22.40.31.40.20.20.11.90.1
normal, loose29.81.043.31.015.20.88.60.53.60.520.20.4
open, scattered16.80.87.90.68.30.611.70.54.60.610.30.3
crowded, clustered normal3.00.41.50.34.90.56.00.42.50.43.90.2
total82.40.990.90.647.21.136.60.817.21.055.60.4
inside perimetern/a0.10.10.0.0.00.00.20.10.20.10.10.0
crowded0.80.20.10.10.50.21.60.23.40.51.20.1
heterogeneous0.0.0.0.0.0.0.30.10.20.10.10.0
normal, loose0.60.20.0.0.30.11.90.21.60.30.90.1
open, scattered0.20.10.0.0.10.11.00.21.10.30.50.1
crowded, clustered normal0.00.00.0.0.10.10.70.10.80.30.30.1
total1.70.30.10.11.20.25.70.47.40.73.20.2
outside perimetern/a0.70.20.40.12.70.42.70.31.70.41.80.1
crowded6.40.63.60.416.00.812.30.628.41.212.10.3
heterogeneous0.60.20.20.14.00.42.60.31.80.41.90.1
normal, loose5.30.53.50.416.60.815.20.617.41.011.60.3
open, scattered2.60.41.10.27.40.615.60.615.41.08.70.3
crowded, clustered normal0.20.10.30.14.90.59.30.510.60.85.10.2
total15.80.89.00.651.61.157.70.875.41.241.20.4
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 #852192/318523
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/a0.20.20.50.21.20.30.70.20.0.0.60.1
crowded17.51.229.11.411.81.05.40.64.20.813.60.5
normal31.81.536.51.49.60.95.10.53.40.717.10.5
loose15.31.215.11.19.40.96.20.61.80.59.80.4
open9.10.97.60.87.50.86.90.62.70.77.10.3
scattered2.90.51.10.32.50.55.50.61.70.53.10.2
grouped crowded0.70.30.30.21.30.42.10.40.30.21.10.1
grouped normal1.40.40.10.12.30.51.90.31.60.51.50.2
heterogeneous1.50.40.70.22.00.40.50.20.60.31.00.1
total80.41.390.70.947.61.634.21.216.31.554.90.6
inside perimetern/a0.0.0.0.0.0.0.10.10.20.20.10.0
crowded0.90.30.0.0.50.21.50.33.10.71.10.1
normal0.50.20.10.10.10.12.20.41.80.51.00.1
loose0.40.20.0.0.0.1.10.30.90.40.50.1
open0.0.0.0.0.20.10.60.21.10.40.40.1
scattered0.10.10.0.0.0.0.20.10.60.30.20.1
grouped crowded0.0.0.0.0.0.0.10.10.0.0.00.0
grouped normal0.0.0.0.0.0.0.10.10.0.0.00.0
heterogeneous0.0.0.0.0.0.0.10.10.0.0.00.0
total1.90.40.10.10.80.36.00.67.81.13.20.2
outside perimetern/a0.0.0.0.0.40.21.60.30.50.30.60.1
crowded5.30.72.80.515.01.111.30.825.01.710.70.4
normal7.20.84.00.614.51.111.90.815.41.510.30.4
loose2.90.51.50.49.20.910.30.810.01.26.90.3
open1.40.40.60.27.00.811.70.812.21.36.70.3
scattered0.30.20.10.11.40.45.70.64.40.82.60.2
grouped crowded0.20.10.0.1.20.32.90.42.40.61.40.2
grouped normal0.10.10.0.1.00.32.50.43.30.71.30.2
heterogeneous0.30.20.10.11.80.41.80.32.70.61.30.2
total17.61.29.20.951.61.659.81.275.81.741.90.6
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 #852193/318524
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/a0.20.10.40.21.10.30.80.20.0.0.60.1
crowded18.51.230.31.311.80.95.70.54.10.713.80.4
normal31.01.435.71.310.20.95.90.53.50.716.80.4
loose14.91.114.71.09.00.86.00.52.30.59.40.4
open8.90.97.50.77.10.76.60.63.00.66.80.3
scattered3.40.61.10.33.10.56.30.52.90.63.70.2
grouped crowded1.00.30.50.21.30.32.60.40.90.31.40.1
grouped normal1.90.40.10.12.70.52.20.31.80.51.80.2
heterogeneous1.40.40.70.22.20.40.60.20.60.31.10.1
total81.21.290.90.848.41.436.71.119.11.455.40.5
inside perimetern/a0.0.0.0.0.0.0.10.10.10.10.00.0
crowded0.90.30.0.0.60.21.40.32.80.61.00.1
normal0.40.20.20.10.30.22.00.31.50.41.00.1
loose0.40.20.0.0.0.1.00.21.10.40.50.1
open0.0.0.0.0.10.10.60.21.20.40.40.1
scattered0.10.10.0.0.10.10.20.10.50.30.10.0
grouped crowded0.0.0.0.0.0.0.10.10.0.0.00.0
grouped normal0.0.0.0.0.0.0.10.10.0.0.00.0
heterogeneous0.0.0.0.0.0.0.10.10.0.0.00.0
total1.90.40.20.11.10.35.60.57.20.93.20.2
outside perimetern/a0.0.0.0.0.60.21.50.30.40.20.60.1
crowded5.20.72.90.514.31.010.80.723.71.510.50.4
normal6.70.73.90.514.41.011.80.714.81.310.20.4
loose2.80.51.30.38.70.89.60.79.11.06.50.3
open1.40.40.70.26.70.711.20.712.11.26.60.3
scattered0.30.20.10.11.40.35.70.55.20.82.70.2
grouped crowded0.20.10.0.1.60.43.00.42.60.61.60.2
grouped normal0.20.10.0.1.10.32.50.33.60.71.50.1
heterogeneous0.30.20.10.11.80.41.50.32.40.51.20.1
total16.91.18.90.850.51.457.71.173.71.641.40.5
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 #852194/318525
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/a0.20.20.40.21.10.30.70.20.0.0.60.1
crowded17.61.229.51.311.71.05.70.54.20.813.50.4
normal31.11.536.21.49.90.95.60.53.80.716.80.5
loose15.11.114.91.09.10.96.20.61.90.59.50.4
open9.00.97.60.87.20.86.70.63.20.77.00.3
scattered3.50.61.00.32.70.56.40.62.90.63.70.2
grouped crowded1.20.30.50.21.30.32.60.40.60.31.40.2
grouped normal1.70.40.10.13.00.52.20.31.70.51.80.2
heterogeneous1.40.40.70.22.00.40.60.20.60.31.00.1
total80.71.290.90.848.11.536.71.118.71.555.30.6
inside perimetern/a0.0.0.0.0.0.0.10.10.20.20.10.0
crowded0.90.30.0.0.50.21.50.33.00.71.10.1
normal0.50.20.10.10.10.12.00.31.60.50.90.1
loose0.40.20.0.0.0.1.10.21.00.40.50.1
open0.0.0.0.0.20.10.70.21.20.40.40.1
scattered0.10.10.0.0.0.0.20.10.60.30.10.1
grouped crowded0.0.0.0.0.0.0.20.10.0.0.10.0
grouped normal0.0.0.0.0.0.0.10.10.0.0.00.0
heterogeneous0.0.0.0.0.0.0.10.10.0.0.00.0
total1.90.40.10.10.80.35.90.67.51.03.20.2
outside perimetern/a0.0.0.0.0.50.21.50.30.40.30.60.1
crowded5.30.72.80.514.41.110.60.723.21.610.30.4
normal6.90.84.00.614.51.111.40.715.01.410.20.4
loose2.90.51.50.49.00.99.80.79.31.16.70.3
open1.30.40.60.26.90.811.10.711.71.26.60.3
scattered0.30.20.10.11.40.45.80.65.40.82.80.2
grouped crowded0.20.10.0.1.50.43.00.42.70.61.60.2
grouped normal0.20.10.0.1.10.32.50.43.40.71.40.2
heterogeneous0.30.20.10.11.80.41.60.32.60.61.20.1
total17.41.29.00.851.21.557.41.273.81.741.40.6
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 #852195/318526
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a4.91.40.0.2.92.95.81.16.83.05.52.00.0.11.66.43.01.12.81.63.71.52.51.50.0.11.04.84.02.07.43.64.01.87.63.22.81.75.02.48.45.83.81.06.62.28.07.92.81.14.50.4
crowded40.53.257.714.853.210.031.72.325.15.143.74.375.016.224.28.718.72.346.74.630.83.620.83.832.312.522.26.136.64.747.26.733.04.011.44.038.25.134.95.315.57.019.32.114.43.229.212.535.83.230.30.8
heterogeneous0.0.0.0.3.93.84.11.00.0.1.81.30.0.0.0.6.61.57.22.43.01.318.73.50.0.6.93.96.12.40.0.0.0.1.61.61.31.30.0.4.94.84.71.10.80.814.19.60.40.43.60.3
normal, loose49.83.324.512.825.38.934.92.446.05.936.24.325.016.215.77.427.22.730.24.447.74.025.74.00.0.14.15.226.34.440.06.547.94.237.45.947.95.323.64.728.69.335.52.617.53.438.413.157.13.336.60.9
open, scattered3.51.217.811.56.84.717.81.922.04.79.02.70.0.18.37.424.42.69.32.812.42.624.13.822.711.822.56.116.83.85.53.113.32.821.75.08.22.926.14.825.48.232.82.543.54.510.26.63.11.117.80.7
crowded, clustered normal1.40.80.0.7.85.75.71.10.0.3.81.70.0.30.29.420.22.43.81.82.41.28.22.645.013.923.26.210.33.10.0.1.71.220.24.81.61.110.53.317.27.73.91.117.23.40.0.0.90.67.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a......0.0.0.0.....9.89.30.0.17.615.8..0.0.0.0.0.0.0.0...26.722.90.0...2.62.60.0.0.0.9.35.1....4.31.6
crowded......27.59.658.934.2....41.214.522.48.132.919.1..100.0.100.0.100.0.41.818.9..26.722.90.0...56.58.241.414.5100.0.18.76.4....36.43.7
heterogeneous......13.57.30.0.....0.0.14.36.60.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.3.23.1....4.51.6
normal, loose......41.210.541.134.2....31.413.233.69.149.520.4..0.0.0.0.0.0.58.218.9..26.722.966.727.7..27.77.534.014.00.0.36.58.1....34.63.6
open, scattered......13.67.30.0.....9.89.37.75.30.0...0.0.0.0.0.0.0.0...19.818.20.0...7.94.47.06.80.0.26.87.6....11.52.4
crowded, clustered normal......4.24.10.0.....7.77.422.08.00.0...0.0.0.0.0.0.0.0...0.0.33.327.7..5.33.617.611.50.0.5.63.9....8.52.1
total......100.0.100.0.....100.0.100.0.100.0...100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.....100.0.
outside perimetern/a0.0.7.57.30.0.5.21.211.07.47.43.2..6.24.33.00.87.73.72.72.610.16.80.0.4.73.34.51.80.0.0.0.5.43.09.18.72.20.70.0.3.91.93.31.06.05.910.19.73.90.4
crowded33.615.859.313.367.911.126.02.332.712.027.95.3..38.58.521.92.043.16.944.18.219.79.057.512.935.27.234.84.1100.0.37.815.128.25.825.811.738.32.537.18.920.74.015.61.946.313.752.417.828.50.9
heterogeneous0.0.0.0.0.0.9.91.60.0.1.21.2..0.0.4.61.03.92.73.23.10.0.0.0.10.64.65.32.00.0.0.0.1.51.59.18.71.80.73.03.02.11.55.71.20.0.0.0.4.60.4
normal, loose44.016.525.711.432.111.129.92.445.312.737.25.8..26.17.623.02.034.06.541.68.044.811.317.69.717.85.737.34.20.0.62.215.142.06.550.213.923.32.236.58.939.74.924.72.334.612.923.815.028.61.0
open, scattered11.110.57.57.30.0.18.62.011.07.418.24.6..17.76.726.42.19.44.05.23.625.410.115.09.86.33.66.92.20.0.0.0.11.14.05.75.621.62.111.86.327.34.533.22.57.27.10.0.21.00.9
crowded, clustered normal11.310.70.0.0.0.10.51.60.0.8.13.2..11.65.521.11.91.91.93.23.10.0.9.96.725.46.811.12.70.0.0.0.11.84.20.0.12.91.711.66.26.32.517.62.06.05.913.712.713.40.7
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.71.44.14.11.91.95.40.87.42.76.11.70.0.8.73.52.90.64.91.73.51.33.51.60.0.7.82.94.21.37.23.54.41.76.42.23.61.82.70.73.12.23.80.94.50.97.15.13.01.14.30.3
crowded40.23.258.69.958.47.729.01.627.24.638.23.375.016.233.95.620.71.545.13.733.33.421.43.446.29.229.94.535.83.048.86.733.23.818.63.436.74.739.12.129.95.320.21.915.51.637.19.336.33.129.70.6
heterogeneous0.0.0.0.2.52.57.00.90.0.1.61.00.0.0.0.5.70.95.91.83.11.216.13.00.0.8.52.95.51.50.0.0.0.1.51.12.21.51.30.53.12.24.10.94.30.97.65.40.40.44.10.3
normal, loose49.63.225.28.627.77.232.81.745.85.236.53.525.016.223.35.024.91.632.13.646.63.628.03.88.64.915.63.833.43.038.76.448.34.040.24.348.24.923.61.933.15.936.22.323.71.936.79.156.03.233.20.6
open, scattered3.81.212.26.64.43.118.11.319.64.012.22.40.0.16.64.425.01.69.02.211.02.224.13.618.47.414.33.610.82.05.33.012.62.616.43.27.92.721.31.815.94.331.42.235.32.18.84.93.01.018.90.5
crowded, clustered normal1.70.90.0.5.13.77.90.90.0.5.31.60.0.17.54.620.81.53.01.32.61.17.02.226.88.523.94.510.52.00.0.1.61.116.83.21.41.011.91.414.84.54.41.016.71.72.82.81.30.89.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852196/318527
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a5.21.50.0.2.92.96.11.17.93.26.92.20.0.11.16.13.51.13.51.74.21.62.51.50.0.12.95.08.82.87.43.63.91.712.73.92.81.67.42.77.85.44.51.19.62.58.07.93.11.15.40.4
crowded39.83.257.714.853.210.031.12.224.85.143.14.275.016.227.59.018.82.344.64.530.13.520.23.732.312.521.76.034.64.447.26.733.24.010.63.838.75.131.34.814.36.518.62.014.53.029.212.535.63.129.60.8
heterogeneous0.0.0.0.3.93.84.21.00.0.1.81.30.0.0.0.6.81.56.92.32.91.318.23.40.0.6.83.85.62.30.0.0.0.1.51.51.31.30.0.4.54.44.51.10.70.714.19.60.40.43.50.3
normal, loose49.83.324.512.825.38.934.22.345.55.835.64.325.016.215.07.126.62.629.84.346.93.924.93.90.0.13.85.124.24.240.06.548.04.236.25.747.65.223.54.430.99.235.32.516.63.238.413.156.73.236.00.9
open, scattered3.91.317.811.56.84.718.01.821.84.78.92.60.0.17.57.124.42.511.73.013.62.724.33.822.711.822.06.016.43.65.53.113.22.820.24.78.12.925.74.426.77.933.32.441.54.210.26.63.01.018.10.7
crowded, clustered normal1.30.80.0.7.85.76.41.20.0.3.81.70.0.28.99.119.82.33.61.82.31.19.92.745.013.922.76.110.43.00.0.1.71.218.84.51.61.112.23.315.87.23.81.017.13.30.0.1.30.77.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a......0.0.0.0.....9.89.30.0.17.615.8..0.0.0.0.0.0.0.0...26.722.90.0...2.62.60.0.0.0.11.55.4....4.71.6
crowded......27.59.658.934.2....41.214.520.87.632.919.1..100.0.100.0.100.0.35.917.1..26.722.90.0...56.58.238.713.8100.0.17.66.0....35.03.6
heterogeneous......13.57.30.0.....0.0.13.36.20.0...0.0.0.0.0.0.14.113.0..0.0.0.0...0.0.0.0.0.0.3.02.9....5.01.6
normal, loose......41.210.541.134.2....31.413.235.08.949.520.4..0.0.0.0.0.0.50.018.0..26.722.953.425.3..27.77.538.313.80.0.34.47.8....34.33.6
open, scattered......13.67.30.0.....9.89.37.24.90.0...0.0.0.0.0.0.0.0...19.818.20.0...7.94.46.56.30.0.28.27.5....11.72.4
crowded, clustered normal......4.24.10.0.....7.77.423.77.90.0...0.0.0.0.0.0.0.0...0.0.46.625.3..5.33.616.510.80.0.5.33.7....9.22.1
total......100.0.100.0.....100.0.100.0.100.0...100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.....100.0.
outside perimetern/a0.0.7.57.30.0.5.51.211.07.48.43.3..9.05.03.70.97.63.62.62.69.56.40.0.4.53.25.01.80.0.0.0.5.22.99.18.73.10.90.0.3.81.93.51.05.65.510.19.74.40.4
crowded33.615.859.313.367.911.125.82.232.712.028.65.3..37.38.321.41.942.26.845.58.218.68.653.412.636.47.034.04.0100.0.37.815.128.75.825.811.737.82.436.08.721.04.015.61.943.213.152.417.828.20.9
heterogeneous0.0.0.0.0.0.9.51.50.0.1.21.2..0.0.4.51.05.73.23.13.00.0.0.0.11.64.65.11.90.0.0.0.1.41.49.18.71.70.62.92.92.01.45.61.20.0.0.0.4.60.4
normal, loose44.016.525.711.432.111.129.82.445.312.736.25.7..25.37.423.12.033.46.540.67.942.410.923.510.617.05.537.14.10.0.62.215.142.66.450.213.923.32.135.48.740.44.924.92.332.312.323.815.028.60.9
open, scattered11.110.57.57.30.0.19.02.011.07.417.74.5..17.26.526.52.19.24.05.13.529.410.313.99.26.03.58.22.40.0.0.0.10.73.95.75.621.22.014.36.626.64.433.32.56.76.70.0.21.00.8
crowded, clustered normal11.310.70.0.0.0.10.41.60.0.7.93.1..11.25.420.81.91.91.93.13.00.0.9.26.224.46.610.72.60.0.0.0.11.44.10.0.12.81.711.36.06.22.417.22.012.38.513.712.713.20.7
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a5.01.44.14.11.91.95.70.88.32.87.41.90.0.9.93.63.50.75.31.73.91.43.41.50.0.8.63.06.41.57.23.54.31.79.12.43.51.83.90.83.02.14.30.95.71.06.94.93.31.25.00.3
crowded39.53.158.69.958.47.728.61.526.94.638.03.375.016.234.45.620.41.443.53.733.03.320.73.444.69.030.34.434.32.948.86.733.33.818.13.337.14.737.92.128.25.019.71.815.41.535.99.036.13.129.20.6
heterogeneous0.0.0.0.2.52.56.80.90.0.1.60.90.0.0.0.5.70.86.31.82.91.215.52.90.0.9.02.95.61.50.0.0.0.1.41.02.21.51.30.53.02.13.90.94.10.97.45.20.40.44.00.3
normal, loose49.63.225.28.627.77.232.41.645.35.235.83.425.016.222.64.924.91.631.63.645.73.527.13.711.95.815.13.732.12.938.76.448.44.039.54.247.94.923.61.934.35.836.22.223.41.835.58.955.63.232.90.6
open, scattered4.11.312.26.64.43.118.31.319.44.012.02.30.0.16.14.324.91.510.52.312.02.324.83.517.77.213.93.511.42.05.33.012.52.615.53.17.82.621.11.717.64.331.62.135.12.18.54.82.91.019.10.5
crowded, clustered normal1.70.80.0.5.13.78.20.90.0.5.21.50.0.17.04.520.61.42.91.32.51.18.52.325.88.223.14.410.21.90.0.1.51.116.43.11.41.012.21.414.04.34.31.016.31.65.84.21.70.89.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852197/318528
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a4.00.90.0.6.73.85.30.84.81.76.71.63.73.716.44.83.90.83.31.25.61.23.31.112.85.910.23.26.91.86.42.31.80.813.73.13.81.46.81.813.74.94.10.711.21.86.04.24.00.95.40.3
crowded37.92.256.510.546.67.129.31.524.33.443.43.255.29.830.25.917.71.645.53.233.62.520.02.524.37.517.24.039.13.445.84.739.22.913.13.140.43.631.63.312.34.417.51.413.12.036.38.536.22.229.30.6
heterogeneous0.40.30.0.2.02.05.00.70.0.1.40.80.0.0.0.5.61.04.61.32.20.818.72.43.33.34.42.23.01.20.0.0.0.3.21.60.60.60.50.54.33.05.00.81.40.76.04.20.40.33.40.2
normal, loose51.22.324.09.032.46.836.41.649.73.936.33.133.69.314.94.625.41.828.63.043.12.627.62.912.45.917.64.126.63.137.14.445.53.034.64.248.53.721.03.023.26.036.11.819.82.330.28.254.72.336.20.6
open, scattered5.11.019.58.78.03.918.21.320.73.19.31.97.55.220.75.128.11.813.32.211.91.722.22.622.27.524.34.615.02.56.32.312.82.021.53.75.91.727.33.229.76.232.51.738.72.818.96.94.10.918.60.5
crowded, clustered normal1.30.50.0.4.33.05.70.80.60.63.01.10.0.17.84.819.31.64.71.43.61.08.11.725.07.826.24.79.42.14.42.00.70.514.03.11.00.712.62.416.85.34.80.815.82.12.62.60.60.47.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a......0.0.0.0.0.0...6.05.81.51.512.011.10.0.0.0.0.0.0.0.0.0.0.0.28.923.78.27.8..4.12.30.0.0.0.9.63.7....4.11.1
crowded......23.56.826.122.364.228.2..56.912.624.35.340.715.6100.0.100.0.48.824.480.018.656.413.4100.0.24.421.433.213.7..49.15.836.710.074.915.419.84.9....36.42.6
heterogeneous......7.64.20.0.0.0...0.0.10.43.70.0.0.0.0.0.0.0.0.0.8.68.20.0.0.0.0.0...0.0.4.54.50.0.1.61.6....3.81.0
normal, loose......43.88.050.425.135.828.2..23.910.532.15.838.115.30.0.0.0.25.622.120.018.635.012.80.0.24.421.425.912.8..23.45.033.99.90.0.28.25.6....29.52.4
open, scattered......17.36.023.520.80.0...7.47.215.24.49.28.80.0.0.0.0.0.0.0.0.0.0.0.22.320.08.27.8..15.14.27.45.00.0.31.35.8....15.51.9
crowded, clustered normal......7.84.30.0.0.0...5.75.516.54.60.0.0.0.0.0.25.622.10.0.0.0.0.0.0.0.24.612.4..8.23.217.47.925.115.49.53.7....10.71.7
total......100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.....100.0.
outside perimetern/a0.0.4.64.56.24.35.10.89.55.25.81.9..11.43.83.50.65.12.22.81.95.43.78.44.62.31.66.11.40.0.0.0.6.42.24.03.92.30.55.12.94.41.44.30.84.14.010.39.84.30.3
crowded37.512.144.69.266.58.426.81.627.08.231.33.6..42.65.922.81.441.85.145.95.921.66.841.28.034.35.038.12.880.217.744.59.329.44.143.89.639.31.735.26.122.52.915.11.444.610.055.916.629.30.7
heterogeneous0.0.0.0.0.0.9.21.10.0.3.01.3..0.0.5.20.73.31.91.51.514.56.00.0.10.73.34.31.20.0.0.0.1.51.04.03.91.70.51.61.62.01.05.80.94.64.50.0.4.70.3
normal, loose37.512.143.19.327.37.930.31.743.79.034.73.8..23.25.123.11.430.34.741.55.839.68.024.17.020.34.330.82.70.0.48.79.337.14.444.89.724.21.530.25.941.13.524.51.731.19.422.113.828.00.7
open, scattered12.58.37.65.40.0.19.11.419.87.318.53.1..11.63.926.31.518.64.06.82.918.96.58.24.612.63.511.41.919.817.76.84.714.63.23.33.319.71.415.94.923.63.033.71.83.73.60.0.21.20.6
crowded, clustered normal12.68.30.0.0.0.9.51.10.0.6.82.0..11.23.719.11.31.01.01.51.50.0.18.06.219.84.39.31.70.0.0.0.11.12.80.0.12.81.212.14.36.51.716.51.411.86.411.711.012.50.5
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.90.92.52.56.52.95.10.55.41.66.31.23.73.712.92.83.60.54.11.15.11.13.51.19.93.46.11.86.31.16.12.22.00.810.01.83.81.33.30.57.42.24.20.76.60.85.23.04.10.94.90.2
crowded37.92.250.06.954.15.628.01.124.73.138.72.355.29.839.13.920.91.044.32.635.92.320.82.434.35.327.03.139.02.147.74.639.52.821.72.540.83.438.61.426.83.719.11.314.81.139.86.436.62.229.50.4
heterogeneous0.40.30.0.1.31.36.90.60.0.2.00.70.0.0.0.5.60.64.11.12.10.718.12.31.41.47.52.04.00.90.0.0.0.2.20.91.00.71.40.43.21.64.30.74.30.65.43.10.40.34.00.2
normal, loose50.72.234.46.630.55.233.91.248.83.535.62.433.69.319.83.324.41.129.42.542.62.429.02.719.14.719.02.929.22.035.34.345.52.835.43.048.03.423.61.328.23.936.91.623.41.330.66.254.12.232.60.4
open, scattered5.41.013.04.95.02.518.60.920.62.812.91.77.55.214.92.926.51.114.61.911.01.521.72.413.94.018.02.812.51.56.82.312.31.817.62.35.51.620.71.219.53.330.31.535.01.512.54.54.00.919.60.4
crowded, clustered normal1.60.60.0.2.71.97.50.60.50.54.51.00.0.13.32.819.11.03.51.03.20.87.01.521.54.822.53.19.11.34.21.90.70.513.12.10.80.612.41.014.93.05.30.715.91.16.53.20.80.49.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852198/318529
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.7.85.71.20.50.0.0.0.0.0.0.0.0.70.50.0.1.91.11.21.20.0.4.43.04.12.00.0.0.0.7.43.21.41.40.0.0.0.0.30.32.61.50.0.0.0.1.10.2
crowded29.93.066.714.157.210.123.02.129.65.538.44.4100.0.27.08.610.21.824.64.129.43.58.92.617.29.219.35.824.34.328.56.224.33.726.15.537.54.928.95.015.57.026.82.317.53.422.211.524.22.925.00.8
normal44.33.36.56.422.38.533.72.347.86.028.64.20.0.8.35.714.92.146.94.729.63.626.24.115.010.110.24.631.14.654.46.734.64.013.24.234.05.024.44.716.17.631.72.510.72.851.613.747.03.331.30.8
loose17.42.59.08.74.94.917.61.912.03.914.43.20.0.25.08.924.02.614.83.418.43.029.24.122.311.710.54.617.13.817.15.125.63.716.04.513.43.58.53.14.14.014.61.917.83.513.19.220.52.717.80.7
open6.71.70.0.0.0.12.21.67.73.112.02.90.0.13.07.024.32.68.22.613.22.718.63.615.010.121.46.07.52.80.0.14.63.021.15.111.53.412.43.722.98.312.21.822.13.80.0.7.51.712.80.6
scattered0.90.60.0.0.0.4.11.01.21.23.71.80.0.15.27.014.82.23.81.81.20.94.72.17.77.518.45.48.72.90.0.0.90.97.43.21.41.49.43.27.65.37.41.417.83.50.0.0.40.35.60.4
grouped crowded0.0.17.811.50.0.3.40.90.0.1.41.00.0.3.63.65.51.40.0.0.70.71.21.27.77.53.92.82.31.60.0.0.0.1.21.20.0.2.31.613.37.12.40.82.51.40.0.0.0.2.00.3
grouped normal0.50.50.0.4.94.91.50.61.71.71.41.00.0.4.24.13.61.11.81.31.81.03.21.815.010.111.94.74.02.00.0.0.0.1.61.60.0.10.73.420.48.23.31.07.52.40.0.0.0.2.70.3
heterogeneous0.0.0.0.2.92.93.30.90.0.0.0.0.0.3.63.61.90.80.0.3.71.56.82.20.0.0.0.0.90.90.0.0.0.6.02.90.80.83.52.00.0.1.20.61.71.213.19.20.40.41.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...3.02.99.69.10.0.3.23.1....1.91.1
crowded......37.610.441.134.2....51.114.74.14.065.919.4..100.0.0.0.100.0.24.915.7..26.722.933.327.7..49.98.424.012.236.728.522.16.9....32.93.6
normal......22.28.80.0.....31.413.233.69.117.615.8..0.0.100.0.0.0.41.418.9..46.525.266.727.7..25.87.443.314.663.328.528.77.7....30.73.5
loose......9.06.158.934.2....0.0.22.38.116.515.1..0.0.0.0.0.0.16.815.2..26.722.90.0...10.65.016.110.50.0.28.07.5....16.22.8
open......8.45.70.0.....9.89.328.68.60.0...0.0.0.0.0.0.16.815.2..0.0.0.0...8.14.57.06.80.0.8.94.9....10.82.3
scattered......9.46.30.0.....0.0.11.46.20.0...0.0.0.0.0.0.0.0...0.0.0.0...2.62.60.0.0.0.6.34.3....4.71.6
grouped crowded......8.96.00.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....1.10.8
grouped normal......0.0.0.0.....7.77.40.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....0.50.5
heterogeneous......4.54.40.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.2.82.7....1.10.8
total......100.0.100.0.....100.0.100.0.100.0...100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.....100.0.
outside perimetern/a0.0.0.0.0.0.0.80.50.0.0.0...5.43.82.40.70.0.0.0.0.0.7.77.41.61.63.11.50.0.0.0.1.71.70.0.0.50.43.03.02.01.41.50.70.0.0.0.1.50.3
crowded44.916.753.813.464.312.327.22.349.212.827.95.4..30.37.913.21.631.96.427.77.59.46.429.911.636.37.233.04.00.0.31.514.822.65.616.79.136.32.531.58.823.34.219.02.114.39.527.416.325.70.9
normal32.715.612.88.535.712.323.82.232.612.128.75.4..30.38.017.41.843.36.940.48.245.811.442.512.96.94.030.33.9100.0.41.114.930.36.251.213.420.42.132.98.741.84.919.52.142.813.972.616.324.50.9
loose22.414.05.45.40.0.19.82.15.55.417.04.3..11.65.520.41.911.54.421.66.819.48.812.28.514.25.311.82.80.0.20.012.718.35.120.611.012.41.711.16.117.63.816.32.022.611.90.0.16.40.8
open0.0.20.411.00.0.13.91.85.55.414.64.1..2.72.725.82.15.63.27.74.320.49.47.77.420.46.37.62.30.0.7.47.213.34.411.57.713.61.713.96.76.82.521.32.213.19.10.0.16.00.8
scattered0.0.0.0.0.0.3.30.90.0.4.62.6..14.36.011.21.53.82.62.72.65.04.90.0.2.32.25.42.00.0.0.0.8.73.70.0.4.51.03.53.45.22.38.21.50.0.0.0.6.20.5
grouped crowded0.0.7.57.30.0.4.41.10.0.1.21.2..2.72.73.50.90.0.0.0.0.0.0.0.6.33.64.11.80.0.0.0.0.0.0.0.3.50.90.0.1.11.15.91.30.0.0.0.3.50.4
grouped normal0.0.0.0.0.0.2.40.80.0.2.51.7..2.72.74.81.00.0.0.0.0.0.0.0.12.25.00.90.90.0.0.0.0.0.0.0.4.61.14.14.01.11.14.01.10.0.0.0.3.30.4
heterogeneous0.0.0.0.0.0.4.41.17.27.03.52.4..0.0.1.40.63.92.70.0.0.0.0.0.0.0.3.81.70.0.0.0.5.12.90.0.4.11.00.0.1.11.14.31.17.27.10.0.3.10.4
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.40.0.5.13.71.00.40.0.0.0.0.0.2.61.81.70.50.0.1.50.91.01.03.83.72.91.73.41.20.0.0.0.4.71.91.21.20.60.43.12.20.70.41.90.60.0.0.0.1.30.2
crowded30.53.059.79.859.77.825.31.533.35.134.83.5100.0.32.65.411.71.228.43.429.13.29.82.523.07.228.94.529.22.927.66.024.83.524.73.834.94.536.12.124.15.026.12.018.81.718.57.624.32.825.50.6
normal43.93.29.95.427.07.128.91.644.05.328.73.30.0.22.75.117.11.444.73.831.63.328.63.930.58.48.43.031.02.955.86.535.43.822.33.736.14.621.41.928.65.734.22.217.91.747.69.847.93.328.40.6
loose17.62.57.05.03.23.218.41.412.03.515.32.60.0.14.44.221.91.513.82.619.02.827.63.716.87.012.13.514.12.316.54.925.33.516.63.314.33.411.71.59.43.615.21.717.51.717.57.519.82.617.20.5
open6.41.611.16.30.0.12.91.27.12.612.92.40.0.7.63.325.31.67.11.912.22.318.73.311.16.120.54.27.91.80.0.13.72.817.03.311.53.113.01.516.04.510.91.520.61.86.04.37.31.614.10.5
scattered0.80.60.0.0.0.3.90.71.01.04.01.50.0.12.23.812.61.23.61.41.50.94.71.93.83.710.33.06.61.60.0.0.80.87.82.31.21.25.21.04.42.56.81.210.41.40.0.0.30.35.80.3
grouped crowded0.0.12.26.60.0.4.00.70.0.1.30.80.0.2.61.84.10.70.0.0.60.61.01.03.83.75.02.23.21.20.0.0.0.0.70.70.0.3.10.85.02.82.10.74.70.90.0.0.0.2.60.2
grouped normal0.40.40.0.3.23.21.80.51.41.41.80.90.0.4.12.34.20.71.20.81.50.82.71.57.35.111.83.42.21.00.0.0.0.0.80.80.0.5.31.09.43.62.80.84.60.90.0.0.0.2.80.2
heterogeneous0.0.0.0.1.91.93.80.71.31.31.20.80.0.1.31.31.50.41.20.93.01.25.81.90.0.0.0.2.51.00.0.0.0.5.42.00.70.73.70.80.0.1.20.53.60.810.46.00.40.42.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852199/318530
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.7.85.71.20.50.0.0.0.0.0.0.0.0.90.50.0.1.81.01.21.10.0.4.02.83.61.70.0.0.0.7.03.01.41.40.0.0.0.0.30.32.21.30.0.0.0.1.00.2
crowded29.83.066.714.157.210.123.72.030.15.536.84.388.911.123.37.510.31.723.74.028.63.48.62.514.37.719.75.722.23.928.56.224.33.626.05.338.44.825.54.319.17.127.22.216.23.022.211.524.92.824.60.8
normal44.33.36.56.422.38.532.32.247.85.930.34.20.0.11.16.114.82.045.34.629.43.526.14.012.48.59.44.231.74.454.46.734.44.015.34.333.54.922.94.116.16.830.72.412.62.851.613.746.33.330.50.8
loose17.82.59.08.74.94.916.81.811.73.813.83.00.0.24.68.222.52.314.23.318.12.928.24.024.811.19.64.215.73.417.15.125.73.715.14.313.23.58.62.73.33.214.01.815.93.113.19.220.32.617.10.7
open6.51.60.0.0.0.11.61.57.53.012.22.90.0.14.46.821.52.37.92.513.22.617.93.512.48.519.75.68.42.70.0.14.83.019.94.811.43.314.33.418.36.812.41.720.23.40.0.7.41.612.60.6
scattered0.80.60.0.0.0.4.10.91.21.24.21.90.0.16.76.817.62.16.12.21.81.06.52.36.46.316.95.19.42.80.0.0.80.87.03.01.41.412.03.19.05.07.91.420.73.40.0.0.30.36.60.4
grouped crowded0.0.17.811.50.0.4.91.00.0.1.30.911.111.13.13.16.61.40.90.90.70.71.91.46.46.33.62.63.81.80.0.0.0.1.21.20.0.3.61.810.65.82.50.82.81.40.0.0.40.42.60.3
grouped normal0.40.40.0.4.94.92.00.71.71.71.41.00.0.3.73.64.01.11.71.22.91.33.11.723.310.617.05.24.42.00.0.0.0.1.51.50.0.10.43.023.67.83.91.07.92.30.0.0.0.3.20.3
heterogeneous0.0.0.0.2.92.93.40.90.0.0.0.0.0.3.13.11.90.80.0.3.61.46.62.10.0.0.0.0.80.80.0.0.0.7.13.10.80.82.71.60.0.1.10.51.41.013.19.20.40.41.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...2.82.87.97.50.0.2.92.9....1.81.0
crowded......37.610.441.134.2....51.114.73.83.765.919.4..100.0.0.0.100.0.21.413.7..26.722.926.723.0..49.98.232.111.936.728.520.36.4....32.33.4
normal......22.28.80.0.....31.413.231.38.717.615.8..0.0.100.0.0.0.35.617.0..46.525.273.323.0..24.57.135.512.663.328.526.37.1....29.23.4
loose......9.06.158.934.2....0.0.27.68.316.515.1..0.0.0.0.0.0.28.616.8..26.722.90.0...10.14.813.28.70.0.25.77.0....16.92.8
open......8.45.70.0.....9.89.326.78.10.0...0.0.0.0.0.0.14.513.3..0.0.0.0...10.24.95.75.60.0.13.95.7....11.82.4
scattered......9.46.30.0.....0.0.10.65.80.0...0.0.0.0.0.0.0.0...0.0.0.0...2.52.50.0.0.0.5.84.0....4.41.5
grouped crowded......8.96.00.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.2.72.7....1.60.9
grouped normal......0.0.0.0.....7.77.40.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.5.75.60.0.0.0.....0.90.7
heterogeneous......4.54.40.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.2.52.5....1.00.7
total......100.0.100.0.....100.0.100.0.100.0...100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.....100.0.
outside perimetern/a0.0.0.0.0.0.0.80.50.0.0.0...5.13.62.20.70.0.0.0.0.0.7.77.41.51.53.51.50.0.0.0.1.61.60.0.0.50.42.92.91.91.41.70.70.0.0.0.1.50.3
crowded44.916.753.813.464.312.326.82.345.912.326.45.2..28.77.612.61.533.26.526.97.38.96.129.911.635.37.231.63.80.0.31.514.822.45.316.79.134.92.430.58.623.14.118.72.020.010.427.416.325.00.9
normal32.715.612.88.535.712.324.02.230.411.528.45.3..28.77.717.41.742.56.839.38.043.411.142.512.99.44.629.93.7100.0.41.114.934.46.151.213.420.72.031.98.541.74.819.22.140.013.372.616.324.40.9
loose22.414.05.45.40.0.19.92.111.88.016.14.1..11.05.219.51.811.34.321.06.718.48.412.28.513.85.212.92.80.0.20.012.716.84.720.611.011.81.613.76.416.83.616.42.021.111.20.0.16.20.8
open0.0.20.411.00.0.14.21.85.15.015.24.1..5.13.624.62.05.53.17.54.219.38.97.77.419.86.17.02.10.0.7.47.212.24.111.57.713.71.713.56.57.42.521.52.212.38.50.0.15.90.7
scattered0.0.0.0.0.0.3.20.90.0.4.42.5..13.55.713.51.63.72.62.62.64.84.70.0.2.22.24.91.80.0.0.0.8.03.50.0.5.41.13.43.35.02.28.21.50.0.0.0.6.70.5
grouped crowded0.0.7.57.30.0.4.21.00.0.3.92.2..2.62.54.30.90.0.0.0.0.0.0.0.6.13.55.21.90.0.0.0.0.0.0.0.4.31.00.0.2.01.45.81.20.0.0.0.3.90.4
grouped normal0.0.0.0.0.0.2.30.80.0.2.31.6..5.23.64.81.00.0.2.62.65.45.20.0.11.84.91.51.10.0.0.0.0.0.0.0.4.81.04.03.91.01.04.21.10.0.0.0.3.50.4
heterogeneous0.0.0.0.0.0.4.51.16.76.53.32.2..0.0.1.20.53.82.70.0.0.0.0.0.0.0.3.41.50.0.0.0.4.62.70.0.4.11.00.0.1.11.04.21.16.76.70.0.3.00.4
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.40.0.5.13.71.00.30.0.0.0.0.0.2.41.71.60.40.0.1.40.81.01.03.43.42.81.63.41.10.0.0.0.4.31.71.21.20.60.32.71.90.60.41.90.60.0.0.0.1.20.1
crowded30.42.959.79.859.77.825.41.533.25.033.23.388.911.130.15.111.41.128.13.428.33.09.42.520.96.528.44.427.32.727.66.024.83.524.43.735.84.434.12.026.24.926.31.918.11.621.17.725.02.825.00.6
normal43.83.29.95.427.07.128.31.543.65.229.63.30.0.22.54.816.81.343.53.831.33.228.23.827.77.89.23.030.82.855.86.535.23.825.63.835.64.621.41.826.25.233.32.117.91.646.09.647.23.228.00.6
loose17.92.47.05.03.23.218.01.312.83.614.62.40.0.14.54.121.01.413.42.618.62.726.63.618.77.111.43.314.52.216.54.925.33.515.43.114.13.311.11.49.43.414.61.616.91.616.97.219.72.616.70.5
open6.21.511.16.30.0.12.71.16.92.513.32.40.0.9.43.423.41.56.91.912.12.318.03.210.05.619.44.07.81.70.0.13.92.815.83.111.43.113.51.413.94.011.21.420.61.85.84.27.11.613.90.5
scattered0.80.60.0.0.0.3.80.70.90.94.31.50.0.12.63.715.01.25.21.61.91.06.22.13.43.49.72.86.71.50.0.0.80.87.22.21.21.26.41.05.02.47.21.211.51.40.0.0.30.36.60.3
grouped crowded0.0.12.26.60.0.4.70.70.0.2.21.011.111.12.41.65.00.80.60.60.60.61.61.23.43.44.72.14.41.30.0.0.0.0.60.60.0.3.80.84.32.42.40.74.70.90.0.0.40.43.10.2
grouped normal0.40.40.0.3.23.22.10.51.31.31.70.80.0.5.02.54.30.71.10.82.81.13.31.612.56.014.33.52.71.00.0.0.0.0.80.80.0.5.51.012.33.73.30.84.90.90.0.0.0.3.30.2
heterogeneous0.0.0.0.1.91.93.90.71.21.21.10.80.0.1.21.21.40.41.20.82.91.25.61.80.0.0.0.2.20.90.0.0.0.5.82.00.70.73.50.80.0.1.10.53.30.810.05.90.40.42.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852200/318531
NFI2
forest area
rockfall SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.7.35.31.00.50.0.0.0.0.0.2.42.41.10.60.0.1.60.91.01.05.55.53.72.63.21.60.0.0.0.6.12.61.41.40.0.2.82.80.20.21.91.10.0.0.0.1.00.2
crowded31.62.963.913.260.09.824.51.932.75.337.64.081.812.118.86.310.51.622.63.827.73.110.02.612.06.622.85.523.63.729.15.925.03.425.74.937.64.724.94.017.46.027.12.118.03.023.310.226.42.725.00.7
normal44.03.16.16.020.78.032.72.147.15.627.83.89.19.012.35.815.61.943.34.431.33.326.73.819.29.08.53.832.04.154.16.333.63.615.84.135.74.821.03.715.05.630.72.212.82.641.612.044.33.030.30.8
loose16.92.37.27.14.74.716.51.710.53.413.52.80.0.21.07.123.12.215.73.317.12.728.03.721.39.78.33.716.13.316.84.724.23.415.64.112.33.38.52.62.52.514.71.715.72.820.79.720.42.517.00.6
open6.01.50.0.0.0.11.11.46.92.812.92.80.0.16.96.420.82.19.72.713.42.517.43.210.77.317.15.08.02.50.0.15.92.917.54.311.03.313.63.217.05.811.81.619.43.10.0.7.81.612.30.6
scattered0.80.50.0.0.0.4.10.91.11.14.61.80.0.16.86.217.12.05.72.02.11.05.82.15.55.519.45.29.12.60.0.1.30.99.93.31.41.412.33.09.84.78.31.319.93.10.0.0.30.36.70.4
grouped crowded0.0.22.811.60.0.4.30.90.0.1.91.19.19.02.82.76.71.30.80.80.60.61.71.25.55.53.12.23.31.60.0.0.0.1.01.00.0.5.62.07.94.42.20.73.71.50.0.0.40.42.60.3
grouped normal0.40.40.0.4.74.72.00.61.71.71.20.80.0.6.54.53.61.02.21.33.11.33.41.720.29.317.25.03.91.70.0.0.0.1.31.30.0.10.82.825.16.93.70.97.42.00.0.0.0.3.20.3
heterogeneous0.0.0.0.2.62.53.80.90.0.0.60.60.0.2.42.41.60.70.0.3.11.26.02.00.0.0.0.0.70.70.0.0.0.7.22.90.70.73.31.62.52.51.20.51.20.914.38.10.40.41.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...2.52.56.96.70.0.2.72.6....1.60.9
crowded......36.69.738.333.4....51.114.83.43.465.119.7..100.0.0.0.100.0.22.214.1..32.119.240.922.5..47.47.737.612.226.422.522.26.5....32.43.3
normal......23.58.40.0.....30.613.137.68.618.116.2..0.0.100.0.0.0.35.417.0..50.020.759.122.5..22.36.632.111.947.224.927.57.0....30.33.2
loose......12.16.661.733.4....0.0.25.27.716.815.3..0.0.0.0.0.0.27.716.5..17.916.20.0...13.85.212.17.90.0.24.26.7....16.72.6
open......7.55.10.0.....10.29.624.17.50.0...0.0.0.0.0.0.14.613.4..0.0.0.0...11.85.05.75.50.0.13.15.4....11.22.2
scattered......8.35.60.0.....0.0.9.75.30.0...0.0.0.0.0.0.0.0...0.0.0.0...2.32.30.0.26.422.55.43.7....4.51.5
grouped crowded......7.95.40.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.2.62.5....1.50.8
grouped normal......0.0.0.0.....8.17.80.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.5.75.50.0.0.0.....0.90.6
heterogeneous......3.93.90.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.2.52.4....1.00.7
total......100.0.100.0.....100.0.100.0.100.0...100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.....100.0.
outside perimetern/a0.0.0.0.0.0.0.70.40.0.0.0...6.53.61.90.60.0.0.0.0.0.7.27.01.41.45.21.80.0.0.0.1.41.40.0.0.40.32.72.61.71.21.80.70.0.0.0.1.50.2
crowded44.416.654.912.159.211.127.22.240.611.428.05.0..26.66.912.31.433.56.026.27.28.25.635.012.036.56.828.93.433.327.731.614.825.65.220.09.335.82.331.88.024.83.919.11.926.911.723.214.325.30.8
normal33.515.817.69.432.510.624.52.138.511.428.15.0..31.07.118.31.739.96.240.27.944.410.539.312.310.44.330.03.566.727.740.714.833.05.750.813.120.51.930.47.839.94.519.92.036.512.665.216.124.60.8
loose22.213.95.04.98.35.818.91.910.57.116.24.0..9.14.418.41.711.84.220.66.620.98.411.27.812.04.611.62.50.0.20.312.815.94.319.210.611.81.614.66.116.73.316.61.819.010.30.0.15.70.7
open0.0.16.69.10.0.14.31.74.64.513.93.8..4.33.025.41.98.13.57.44.117.48.07.27.019.05.57.92.10.0.7.37.212.03.710.06.813.61.611.55.58.22.521.22.011.27.811.610.916.00.7
scattered0.0.0.0.0.0.3.10.80.0.4.02.2..14.25.413.71.53.32.32.82.84.44.30.0.2.12.15.01.70.0.0.0.7.03.00.0.5.21.02.92.85.22.07.71.30.0.0.0.6.70.5
grouped crowded0.0.5.85.70.0.4.61.00.0.3.62.0..2.32.24.00.80.0.0.0.0.0.0.0.7.53.75.21.80.0.0.0.0.0.0.0.4.00.90.0.1.81.26.01.20.0.0.0.3.90.4
grouped normal0.0.0.0.0.0.2.10.70.0.2.21.5..6.13.44.80.90.0.2.82.84.84.70.0.11.24.33.21.40.0.0.0.0.0.0.0.4.91.06.14.20.90.93.91.00.0.0.0.3.50.4
heterogeneous0.0.0.0.0.0.4.51.05.95.74.12.3..0.0.1.30.53.42.40.0.0.0.0.0.0.0.3.01.30.0.0.0.5.22.60.0.3.70.90.0.0.90.93.91.06.46.30.0.2.90.3
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.40.0.4.53.30.90.30.0.0.0.0.0.4.12.01.60.40.0.1.40.80.90.95.94.02.51.54.21.20.0.0.0.3.81.51.21.20.50.33.52.00.60.31.90.60.0.0.0.1.30.1
crowded32.02.958.99.059.77.326.01.434.34.834.33.281.812.126.84.611.31.027.43.227.42.810.42.420.66.330.54.226.52.529.35.725.63.326.23.535.64.334.51.926.54.626.61.819.01.624.97.626.32.625.30.5
normal43.63.012.55.925.26.528.81.544.54.927.93.09.19.023.74.517.91.241.43.632.83.128.93.532.57.49.22.831.02.654.76.134.63.524.93.537.44.520.71.723.94.532.92.018.51.639.38.745.03.028.00.6
loose17.12.36.04.26.13.717.41.211.63.314.42.30.0.12.63.620.41.314.52.517.62.526.83.415.96.19.92.914.02.016.14.523.73.215.22.813.13.211.31.38.83.015.01.516.81.520.07.019.82.416.40.5
open5.81.49.25.20.0.12.41.16.32.413.22.20.0.10.03.223.51.48.92.012.42.217.33.08.64.817.73.68.21.60.0.14.82.714.42.810.93.013.41.412.93.510.91.320.21.65.03.67.91.613.80.4
scattered0.70.50.0.0.0.3.80.60.90.94.41.40.0.13.33.514.91.24.71.52.21.05.51.92.92.910.92.96.61.40.0.1.20.88.22.21.21.26.41.05.42.37.71.110.91.30.0.0.30.36.60.3
grouped crowded0.0.13.46.20.0.4.50.70.0.2.41.09.19.02.21.54.90.70.50.50.50.51.41.02.92.95.12.14.31.20.0.0.0.0.50.50.0.4.10.83.52.02.10.65.10.90.0.0.40.43.10.2
grouped normal0.40.40.0.2.92.92.00.51.31.31.50.80.0.6.52.64.10.61.50.83.11.13.61.610.75.214.13.33.41.00.0.0.0.0.70.70.0.5.70.914.43.73.00.74.60.80.0.0.0.3.30.2
heterogeneous0.0.0.0.1.61.64.10.61.11.11.80.90.0.0.90.91.40.41.10.82.51.05.21.70.0.0.0.1.90.80.0.0.0.6.01.90.60.63.30.71.11.11.10.53.10.710.75.40.30.32.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852201/318532
NFI1
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
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a3.60.47.21.37.21.76.62.22.81.15.02.24.50.4
crowded34.81.121.62.128.52.814.43.218.62.432.14.630.10.8
heterogeneous3.30.45.61.22.91.10.80.86.31.52.01.43.70.4
normal, loose42.71.230.22.328.12.817.53.426.82.824.74.336.60.9
open, scattered13.40.823.72.118.82.443.54.524.52.725.54.318.00.7
crowded, clustered normal2.20.311.71.614.62.217.23.420.92.610.63.07.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a10.36.90.0.3.02.99.35.10.0.2.02.04.21.5
crowded50.411.233.810.438.78.418.76.414.29.350.77.236.73.7
heterogeneous0.0.13.87.40.0.3.23.112.08.04.12.94.61.6
normal, loose29.610.238.910.740.38.436.58.148.013.024.56.234.33.6
open, scattered9.76.59.16.26.34.326.87.67.26.98.03.911.72.5
crowded, clustered normal0.0.4.34.211.85.55.63.918.79.810.74.58.62.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a5.41.45.01.04.81.23.31.02.90.92.50.73.90.4
crowded34.72.926.12.037.92.815.61.918.32.137.82.228.40.9
heterogeneous3.71.17.61.23.01.05.71.24.61.12.30.74.60.4
normal, loose40.83.030.42.135.42.824.72.324.52.322.21.928.81.0
open, scattered12.42.018.91.79.31.733.22.528.72.420.81.920.90.9
crowded, clustered normal2.91.012.01.49.71.717.62.021.02.214.51.613.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.90.45.80.85.71.04.50.92.80.72.90.74.20.3
crowded35.01.024.31.433.91.915.51.618.31.537.91.929.60.6
heterogeneous3.30.46.90.82.80.74.30.95.50.92.40.64.10.3
normal, loose42.41.130.51.532.61.923.71.926.01.822.81.733.30.6
open, scattered13.20.720.81.313.21.435.32.126.41.820.51.619.00.5
crowded, clustered normal2.20.311.71.011.91.316.71.720.91.613.51.49.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852202/318533
NFI1
forest area
rockfall SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a3.70.37.90.911.11.411.21.84.00.86.21.65.40.3
crowded34.20.821.51.428.41.913.12.017.21.630.53.029.30.6
heterogeneous3.10.35.70.82.20.61.40.75.61.01.30.83.50.2
normal, loose42.60.831.11.628.12.019.82.325.81.920.82.736.30.6
open, scattered13.90.622.81.419.11.738.72.828.41.926.62.918.60.5
crowded, clustered normal2.50.311.01.111.11.415.82.118.91.714.62.37.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a5.63.80.0.3.02.19.63.72.42.33.11.74.01.1
crowded48.78.235.57.344.66.119.84.917.25.945.95.036.52.6
heterogeneous0.0.6.83.83.22.21.61.69.64.63.11.73.81.0
normal, loose32.37.732.67.231.25.728.25.641.97.721.44.129.52.4
open, scattered10.85.113.25.06.23.031.35.814.55.515.33.615.61.9
crowded, clustered normal2.62.611.85.011.94.09.53.714.45.511.23.210.61.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.50.94.80.76.91.04.30.83.90.72.30.54.30.3
crowded40.02.225.81.438.11.915.11.420.61.537.61.529.30.7
heterogeneous3.10.87.70.82.80.75.80.95.10.82.40.54.70.3
normal, loose35.72.131.81.431.41.924.51.724.51.623.11.328.10.7
open, scattered14.61.619.01.211.51.333.71.827.01.720.51.321.20.6
crowded, clustered normal2.10.610.81.09.31.216.51.418.91.514.11.112.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.80.36.10.58.50.86.60.83.90.53.00.54.90.2
crowded35.10.724.11.034.31.314.81.119.11.137.01.329.50.4
heterogeneous3.10.36.80.62.50.54.30.65.50.62.30.44.00.2
normal, loose41.70.831.51.130.01.323.41.325.61.222.61.132.70.4
open, scattered14.00.520.50.914.51.035.01.527.21.221.11.119.50.4
crowded, clustered normal2.50.210.90.710.30.915.91.118.71.114.00.99.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852203/318534
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