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NFI4
forest area
avalanches 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
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a0.30.21.10.31.50.40.60.20.20.20.80.1
crowded24.41.429.41.312.21.04.90.54.80.915.00.5
normal24.81.432.11.413.21.14.40.53.60.815.50.5
loose9.40.911.91.03.30.63.80.50.60.36.00.3
open11.81.011.20.96.20.86.00.62.40.67.70.4
scattered3.80.62.60.53.50.65.60.62.40.63.90.3
grouped crowded0.80.30.60.22.00.43.10.40.90.41.70.2
grouped normal1.10.30.90.32.80.53.20.40.80.42.00.2
heterogeneous4.50.71.20.32.90.52.50.40.60.32.50.2
total81.01.391.00.947.61.634.21.216.31.555.10.6
inside perimetern/a0.0.0.0.0.20.10.70.20.20.20.30.1
crowded0.70.30.0.2.30.53.60.51.60.51.80.2
normal0.70.30.0.0.70.34.00.51.10.41.60.2
loose0.70.30.0.1.00.32.60.40.80.41.20.1
open0.20.20.0.0.60.23.20.42.20.61.40.2
scattered0.0.0.0.0.30.21.30.31.10.40.60.1
grouped crowded0.0.0.0.0.20.11.10.30.30.20.40.1
grouped normal0.10.10.0.0.40.21.30.31.10.40.60.1
heterogeneous0.10.10.0.0.50.21.40.31.30.40.70.1
total2.50.50.0.6.20.719.11.09.71.28.50.4
outside perimetern/a0.0.0.30.21.30.41.20.30.80.40.80.1
crowded6.10.83.10.513.51.19.70.727.71.810.50.4
normal5.50.72.80.510.51.07.90.716.71.57.90.4
loose1.50.40.70.34.90.73.50.54.80.93.00.2
open2.10.51.20.36.50.88.80.77.81.15.50.3
scattered0.30.20.30.22.90.56.20.63.60.73.00.2
grouped crowded0.0.0.10.12.10.42.90.46.81.02.10.2
grouped normal0.20.20.0.1.50.42.90.44.30.81.70.2
heterogeneous0.70.30.40.23.10.53.60.51.60.52.10.2
total16.51.29.00.946.21.646.61.274.01.836.40.6
totaln/a0.30.21.40.43.00.52.50.41.10.41.80.2
crowded31.31.532.51.428.01.418.20.934.11.927.30.6
normal31.01.535.01.424.41.316.30.921.41.625.00.6
loose11.61.012.61.09.20.99.90.76.31.010.20.4
open14.11.112.41.013.31.118.01.012.31.314.60.5
scattered4.20.62.90.56.70.813.00.87.11.07.40.4
grouped crowded0.80.30.70.24.20.67.10.68.01.14.20.3
grouped normal1.40.40.90.34.70.77.40.76.21.04.30.3
heterogeneous5.30.71.70.46.40.87.50.73.50.75.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862130/328461
NFI3
forest area
avalanches 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
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a1.60.80.0.0.0.2.70.83.71.94.61.90.0.0.0.1.80.81.91.33.91.50.0.0.0.14.85.26.32.51.91.90.90.96.33.07.02.61.21.23.63.53.10.91.71.25.15.02.91.12.90.3
crowded33.33.10.0.72.79.221.02.040.45.826.83.80.0.22.47.713.42.019.33.829.93.66.82.119.610.36.63.820.74.148.86.834.44.09.23.627.74.520.14.511.46.020.32.19.32.60.0.25.72.922.70.8
normal39.83.240.014.55.83.832.22.334.55.125.84.025.016.213.07.017.52.342.24.725.23.435.84.227.312.229.56.614.63.331.06.142.14.230.05.638.25.122.34.615.87.222.62.315.13.211.27.638.93.229.10.8
loose12.42.224.512.80.0.13.81.711.33.812.73.062.518.24.64.510.91.915.53.59.32.324.43.90.0.8.43.69.93.014.84.913.53.021.45.111.23.013.43.87.65.314.41.911.32.852.412.517.72.613.80.6
open9.51.918.011.613.77.413.11.65.32.614.33.312.512.432.29.518.72.410.02.916.73.014.33.37.37.211.94.728.64.61.91.95.41.912.33.811.53.419.04.327.39.022.12.213.03.08.07.99.41.914.30.6
scattered2.51.08.88.30.0.6.21.23.62.07.22.40.0.7.95.314.12.16.62.410.72.57.42.422.711.82.22.210.63.21.61.62.81.45.82.84.42.09.73.312.06.710.41.617.73.523.310.63.81.27.70.5
grouped crowded0.40.40.0.2.92.84.41.00.0.5.02.00.0.16.27.56.51.50.90.91.30.94.42.023.111.114.15.14.02.00.0.0.0.6.43.00.0.6.02.617.48.02.70.911.72.90.0.0.50.53.70.4
grouped normal0.0.8.88.34.94.92.80.81.21.23.61.80.0.3.63.66.71.52.61.51.91.10.80.80.0.8.03.84.12.00.0.0.0.8.73.40.0.5.92.64.94.82.40.916.03.40.0.0.0.3.20.3
heterogeneous0.40.40.0.0.0.3.80.90.0.0.0.0.0.0.0.10.41.81.01.01.20.86.12.10.0.4.53.21.21.20.0.0.90.90.0.0.0.2.41.70.0.2.10.84.21.90.0.1.20.72.60.3
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..0.0.0.0.9.83.8..16.315.1..4.64.53.01.70.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...2.32.34.94.80.0.3.51.70.0...3.80.9
crowded..0.0.100.0.23.15.3..16.315.1..36.710.910.22.90.0.100.0.0.0.38.822.837.616.745.611.4..100.0.0.0...20.16.430.511.023.08.315.03.30.0...19.91.9
normal..36.729.30.0.23.25.3..34.619.7..14.27.717.83.758.622.70.0.64.820.838.822.821.213.820.69.3..0.0.32.718.4..7.14.017.08.825.68.917.43.40.0...19.51.9
loose..0.0.0.0.6.53.1..0.0...4.84.714.23.418.717.50.0.0.0.0.0.0.0.4.14.0..0.0.42.919.1..9.64.611.17.53.83.811.83.00.0...9.91.4
open..63.329.30.0.4.82.7..16.315.1..19.88.823.54.122.719.40.0.17.616.30.0.13.012.019.58.9..0.0.24.415.3..15.35.816.48.723.88.518.63.6100.0...17.81.8
scattered..0.0.0.0.7.83.3..0.0...5.95.76.62.40.0.0.0.17.616.30.0.0.0.10.16.9..0.0.0.0...4.73.310.37.03.83.87.02.40.0...6.41.2
grouped crowded..0.0.0.0.9.43.7..0.0...4.64.54.02.00.0.0.0.0.0.22.319.38.28.10.0...0.0.0.0...11.95.00.0.0.0.11.83.00.0...7.01.2
grouped normal..0.0.0.0.3.02.1..0.0...0.0.8.62.70.0.0.0.0.0.0.0.20.013.10.0...0.0.0.0...19.26.14.94.88.05.47.82.50.0...7.11.2
heterogeneous..0.0.0.0.12.44.1..16.315.1..9.36.312.03.10.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...9.64.64.94.812.06.56.92.40.0...8.61.3
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..0.0.0.0.3.21.00.0.7.53.4..3.53.53.81.00.0.5.83.90.0.18.211.50.0.2.51.40.0.0.0.5.63.10.0.0.50.43.73.62.41.71.30.76.46.30.0.2.50.4
crowded..0.0.73.611.824.32.427.210.712.74.0..61.69.811.61.729.66.235.18.315.19.850.714.319.36.725.13.850.036.148.513.712.44.528.211.130.82.442.710.322.54.713.22.00.0.41.117.722.50.9
normal..9.49.120.811.128.02.545.512.036.25.9..7.24.914.71.929.46.230.88.016.58.86.86.833.88.026.63.90.0.19.610.533.06.347.913.825.42.322.89.033.15.320.42.57.77.623.815.024.11.0
loose..39.414.45.65.613.81.911.27.68.63.4..4.54.414.61.916.85.111.05.227.111.613.79.23.33.317.53.50.0.17.110.911.44.40.0.12.51.78.55.813.23.911.72.017.911.635.116.813.20.8
open..51.215.00.0.11.61.816.18.79.03.5..3.63.619.42.120.65.514.66.129.411.310.69.915.76.015.83.40.0.14.99.914.74.823.912.29.71.518.68.49.93.316.62.329.512.90.0.14.30.8
scattered..0.0.0.0.5.91.30.0.7.53.6..12.56.812.61.80.0.0.0.5.55.40.0.7.44.36.32.350.036.10.0.7.83.80.0.6.31.23.73.66.72.910.21.923.011.60.0.7.60.6
grouped crowded..0.0.0.0.5.51.30.0.8.43.3..3.53.59.01.51.91.80.0.0.0.0.0.5.63.93.61.80.0.0.0.4.02.80.0.8.61.40.0.1.41.411.42.00.0.0.0.6.70.6
grouped normal..0.0.0.0.2.40.80.0.5.32.6..0.0.6.71.30.0.0.0.0.0.0.0.8.54.71.81.20.0.0.0.5.73.20.0.3.71.00.0.2.71.910.91.90.0.0.0.4.50.5
heterogeneous..0.0.0.0.5.31.20.0.4.82.7..3.53.57.61.41.81.82.72.76.46.20.0.6.43.60.70.70.0.0.0.5.43.10.0.2.60.80.0.8.23.24.41.315.410.10.0.4.50.5
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.60.80.0.0.0.3.50.62.91.55.81.60.0.2.61.83.00.61.20.94.11.40.0.6.44.57.42.73.81.21.91.90.80.85.72.06.22.20.80.44.02.22.80.81.90.65.53.72.81.12.80.2
crowded33.33.10.0.73.57.122.51.537.85.222.02.80.0.40.85.812.11.222.13.231.93.37.42.133.68.314.63.825.12.848.86.736.13.810.02.727.74.228.22.027.85.520.91.812.71.40.0.26.22.822.40.6
normal39.83.226.48.810.74.829.81.636.74.829.43.325.016.211.23.716.21.338.53.725.83.134.93.921.97.830.54.721.12.530.06.039.84.031.44.039.44.823.41.918.64.924.62.018.41.79.35.238.43.126.50.6
loose12.42.228.28.81.91.913.21.211.33.411.12.362.518.24.62.613.21.216.02.89.42.123.73.64.83.35.62.313.22.214.34.713.72.818.43.59.92.712.41.58.93.513.61.611.61.435.98.518.22.513.30.5
open9.51.937.49.78.94.911.81.17.42.712.72.412.512.418.34.519.71.513.72.716.12.616.03.17.35.113.53.521.42.71.91.96.32.013.92.913.03.311.71.421.35.220.11.916.21.620.27.59.11.914.60.5
scattered2.51.04.03.90.0.6.20.82.91.67.11.90.0.9.03.512.31.24.31.68.72.07.62.211.16.14.12.18.41.83.12.12.61.36.32.23.91.76.71.18.63.49.41.411.31.422.47.23.71.27.60.4
grouped crowded0.40.40.0.1.91.95.20.80.0.5.91.70.0.8.33.37.41.01.20.81.10.83.71.714.86.810.13.13.41.20.0.0.0.5.11.90.0.8.41.26.53.22.30.711.61.40.0.0.50.55.10.3
grouped normal0.0.4.03.93.23.22.70.61.01.04.01.40.0.1.31.37.00.91.71.01.50.90.70.70.0.9.33.02.61.00.0.0.0.6.92.20.0.5.31.03.12.22.80.811.41.40.0.0.0.4.00.3
heterogeneous0.40.40.0.0.0.5.10.80.0.2.01.00.0.3.92.29.31.11.20.91.40.85.91.90.0.4.92.20.90.60.0.0.80.82.31.30.0.3.10.81.31.33.70.95.01.06.64.41.20.73.80.3
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, 10.07.2020 #862131/328462
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a0.30.21.20.31.40.40.60.20.10.10.80.1
crowded24.51.429.31.312.01.05.50.54.70.814.50.4
normal24.51.332.11.412.71.04.50.53.60.714.70.4
loose9.10.911.81.03.40.64.00.50.50.35.80.3
open11.71.011.30.96.30.75.90.52.70.67.60.3
scattered4.50.72.70.53.90.67.10.65.50.85.00.3
grouped crowded1.30.40.50.23.10.54.50.51.90.52.60.2
grouped normal1.30.40.90.33.10.53.90.51.40.42.40.2
heterogeneous4.40.61.40.32.90.52.40.40.80.32.40.2
total81.51.291.20.848.91.538.41.121.31.555.80.6
inside perimetern/a0.0.0.0.0.20.10.60.20.10.10.20.1
crowded0.70.30.0.2.10.43.30.41.50.41.80.2
normal0.60.30.0.0.70.23.50.40.90.31.50.2
loose0.60.30.0.1.00.32.30.30.80.31.10.1
open0.20.10.0.0.60.22.90.41.80.51.30.1
scattered0.0.0.0.0.30.21.30.31.30.40.60.1
grouped crowded0.0.0.0.0.30.21.20.30.50.30.50.1
grouped normal0.10.10.0.0.40.21.10.21.00.40.60.1
heterogeneous0.10.10.0.0.50.21.20.31.00.40.60.1
total2.40.50.0.5.90.717.50.99.01.08.30.3
outside perimetern/a0.0.0.30.21.20.31.10.20.80.30.80.1
crowded5.90.73.10.513.31.08.80.624.01.510.00.4
normal5.40.72.80.510.10.97.30.615.21.37.70.3
loose1.60.40.70.24.70.63.20.44.40.72.90.2
open2.10.41.20.36.30.78.00.67.30.95.30.3
scattered0.30.20.30.22.80.56.00.55.40.83.30.2
grouped crowded0.0.0.10.12.30.53.10.46.50.92.30.2
grouped normal0.20.10.0.1.50.43.10.44.40.71.90.2
heterogeneous0.70.30.40.23.00.53.30.41.60.52.00.2
total16.11.28.80.845.21.544.11.169.71.636.00.6
totaln/a0.30.21.50.42.80.52.40.41.00.41.80.2
crowded31.01.532.31.427.41.317.60.930.21.626.20.6
normal30.51.434.91.423.41.315.40.819.81.423.80.5
loose11.31.012.51.09.00.99.50.75.80.89.80.4
open14.01.112.51.013.31.016.90.911.81.214.20.5
scattered4.80.73.00.57.00.814.40.812.21.18.90.4
grouped crowded1.30.40.60.25.70.78.80.78.91.05.40.3
grouped normal1.60.40.90.35.00.78.20.66.90.94.90.3
heterogeneous5.20.71.80.46.40.86.90.63.40.75.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862132/328463
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a1.60.80.0.0.0.2.50.73.51.84.41.80.0.0.0.1.40.61.81.33.81.50.0.0.0.13.64.85.72.21.91.90.80.85.52.66.82.50.80.82.52.52.80.81.20.94.54.52.81.12.60.3
crowded33.63.10.0.72.79.220.31.940.45.627.23.70.0.24.27.312.41.718.83.730.53.67.42.116.28.66.03.519.53.848.86.835.03.98.13.229.74.618.83.514.96.119.41.910.22.37.17.025.32.821.90.7
normal39.13.136.713.65.83.831.22.235.55.024.83.921.114.010.65.814.51.942.04.624.63.434.74.122.610.327.16.213.23.031.06.141.94.226.55.037.15.015.03.216.56.122.02.113.82.69.96.738.83.127.00.8
loose12.62.222.511.90.0.13.11.610.93.712.22.952.716.93.83.79.11.515.13.49.02.223.63.80.0.9.73.912.53.114.84.913.22.920.24.710.93.011.62.85.43.814.11.89.92.346.312.017.42.513.10.6
open9.81.916.510.713.77.412.51.65.12.513.83.210.510.532.38.517.12.09.72.817.53.013.83.212.48.510.94.426.64.31.91.95.31.912.13.611.23.315.93.222.27.121.82.112.92.67.17.09.71.914.10.6
scattered2.51.08.17.70.0.7.31.23.51.96.92.315.711.49.45.220.02.16.42.310.42.47.92.425.211.02.02.010.53.01.61.62.81.49.13.34.31.916.83.317.36.511.81.621.53.225.19.74.21.39.80.5
grouped crowded0.40.48.17.72.92.85.91.10.0.4.81.90.0.16.76.99.71.60.90.91.30.95.82.223.710.315.05.05.42.10.0.0.0.9.73.40.0.9.82.612.35.83.51.014.42.70.0.0.50.55.10.4
grouped normal0.0.8.17.74.94.93.10.81.11.15.12.00.0.3.02.96.41.34.21.81.81.00.80.80.0.9.44.04.62.00.0.0.0.8.93.20.0.9.12.56.44.42.70.913.22.60.0.0.0.3.70.3
heterogeneous0.40.40.0.0.0.4.00.90.0.0.70.70.0.0.0.9.51.60.90.91.20.85.92.00.0.6.23.51.91.40.0.0.80.80.0.0.0.2.31.32.52.51.90.73.01.30.0.1.20.72.70.3
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..0.0.0.0.9.53.6..16.315.1..4.44.32.71.50.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...2.02.04.64.50.0.3.41.70.0...3.50.8
crowded..0.0.100.0.22.45.1..16.315.1..35.010.511.02.90.0.100.0.0.0.38.822.837.616.745.611.4..100.0.13.612.5..18.85.728.810.526.08.516.23.30.0...20.21.8
normal..36.729.30.0.22.55.1..34.619.7..13.57.416.33.458.622.70.0.64.820.838.822.821.213.820.69.3..0.0.28.316.5..6.03.416.08.424.68.616.83.30.0...18.41.8
loose..0.0.0.0.6.33.1..0.0...4.64.512.93.118.717.50.0.0.0.0.0.0.0.4.14.0..0.0.37.017.3..10.14.315.98.63.73.611.42.90.0...9.81.3
open..63.329.30.0.6.23.0..16.315.1..18.98.423.23.922.719.40.0.17.616.30.0.13.012.019.58.9..0.0.21.113.5..12.84.915.58.222.88.218.03.5100.0...17.41.7
scattered..0.0.0.0.7.53.2..0.0...5.65.56.02.20.0.0.0.17.616.30.0.0.0.10.16.9..0.0.0.0...11.94.59.76.73.73.66.82.30.0...6.81.1
grouped crowded..0.0.0.0.9.13.6..0.0...4.44.37.32.50.0.0.0.0.0.22.319.38.28.10.0...0.0.0.0...10.04.30.0.0.0.11.42.90.0...7.41.2
grouped normal..0.0.0.0.4.52.5..0.0...0.0.8.72.60.0.0.0.0.0.0.0.20.013.10.0...0.0.0.0...18.35.54.64.57.75.29.22.70.0...7.81.2
heterogeneous..0.0.0.0.12.04.0..16.315.1..13.47.411.83.00.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...10.14.34.64.511.56.36.72.30.0...8.71.3
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..0.0.0.0.3.11.00.0.7.23.3..3.43.33.40.90.0.5.73.80.0.16.410.70.0.2.31.30.0.0.0.5.12.90.0.0.40.33.23.12.31.61.20.76.46.30.0.2.30.3
crowded..0.0.73.611.824.02.325.610.112.13.8..59.59.711.71.629.66.234.18.115.19.845.813.518.96.623.03.550.036.148.513.713.14.428.211.129.02.240.79.421.94.613.32.00.0.41.117.721.80.9
normal..9.49.120.811.128.22.542.811.636.15.8..10.45.713.71.729.46.229.97.816.58.815.810.735.07.926.93.80.0.19.610.531.86.047.913.824.02.119.87.933.45.319.22.37.77.623.815.023.40.9
loose..39.414.45.65.613.51.916.58.88.33.2..4.34.314.31.716.85.110.75.027.111.612.48.33.33.217.73.40.0.17.110.913.94.60.0.11.91.610.65.812.93.811.51.917.911.635.116.813.10.7
open..51.215.00.0.11.31.715.18.28.63.4..3.53.518.41.920.65.514.26.029.411.39.69.115.45.916.23.30.0.14.99.913.44.423.912.29.21.416.27.49.63.215.62.229.512.90.0.13.80.8
scattered..0.0.0.0.6.11.30.0.7.23.4..12.16.614.41.70.0.2.82.85.55.40.0.7.34.27.42.350.036.10.0.7.13.50.0.9.61.46.44.36.52.812.72.023.011.60.0.9.20.6
grouped crowded..0.0.0.0.6.01.30.0.11.03.7..3.43.49.71.51.91.80.0.0.0.0.0.5.53.84.21.90.0.0.0.5.53.00.0.8.71.33.23.12.71.911.61.90.0.0.0.7.30.6
grouped normal..0.0.0.0.2.60.90.0.5.12.5..0.0.6.71.20.0.0.0.0.0.0.0.8.44.71.61.10.0.0.0.5.22.90.0.4.31.00.0.2.61.810.01.80.0.0.0.4.60.5
heterogeneous..0.0.0.0.5.11.20.0.4.62.6..3.43.47.71.31.81.82.62.66.46.20.0.6.23.60.70.70.0.0.0.4.92.80.0.2.90.80.0.8.03.14.81.215.410.10.0.4.50.5
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.60.80.0.0.0.3.30.62.81.55.61.60.0.2.31.62.50.51.20.84.01.30.0.5.64.07.12.63.51.11.91.90.80.85.11.86.02.20.60.33.21.82.50.71.60.55.13.42.71.12.60.2
crowded33.63.10.0.73.57.122.01.437.45.022.12.70.0.39.25.511.91.121.73.232.13.37.92.129.57.213.93.623.42.648.86.736.63.810.42.629.54.326.11.826.84.920.11.713.01.44.14.025.82.821.70.5
normal39.13.125.48.510.74.829.41.537.04.728.73.221.114.011.33.614.41.238.53.725.13.134.03.822.57.429.74.520.62.430.06.039.73.928.73.638.44.720.71.617.54.324.01.917.11.58.74.938.33.125.00.6
loose12.62.227.18.51.91.912.71.212.03.510.62.252.716.94.22.412.01.115.72.89.22.023.13.54.32.96.32.414.42.214.34.713.52.818.53.39.62.611.71.39.63.213.31.511.01.333.58.218.02.512.80.4
open9.81.936.09.48.94.911.51.17.12.612.22.410.510.518.94.418.51.313.52.616.72.615.53.09.75.412.93.420.92.51.91.96.22.013.12.712.73.310.91.318.64.519.91.815.31.518.97.09.41.914.20.5
scattered2.51.03.93.70.0.6.80.92.81.66.81.815.711.49.33.315.61.24.21.58.92.08.02.313.06.13.92.08.91.83.12.12.51.37.82.33.81.711.31.211.93.510.51.414.11.423.56.84.11.39.30.4
grouped crowded0.40.43.93.71.91.96.20.80.0.6.71.80.0.8.93.29.41.01.20.81.00.75.01.915.46.410.73.14.41.30.0.0.0.7.42.10.0.9.01.16.42.83.20.812.41.40.0.0.50.56.10.3
grouped normal0.0.3.93.73.23.23.00.60.90.94.91.50.0.1.21.26.80.92.81.21.50.80.70.70.0.9.93.02.71.00.0.0.0.6.92.10.0.6.41.03.82.23.00.810.81.30.0.0.0.4.30.3
heterogeneous0.40.40.0.0.0.5.10.80.0.2.41.10.0.4.72.39.01.01.20.91.40.85.81.80.0.5.72.31.20.70.0.0.80.82.01.20.0.3.30.72.21.53.40.84.70.96.14.11.20.73.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862133/328464
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a1.60.80.0.0.0.2.50.73.51.84.41.80.0.0.0.1.40.61.81.34.31.60.0.0.0.13.64.85.62.21.91.90.80.85.42.66.72.50.70.72.42.32.70.81.20.84.54.52.81.12.60.3
crowded33.53.10.0.72.79.220.41.940.45.627.03.70.0.27.07.612.51.718.73.729.73.57.32.116.28.66.03.519.23.748.86.834.83.97.93.130.34.618.43.417.26.319.41.99.92.27.17.025.32.821.80.7
normal38.93.136.713.65.83.830.82.235.55.024.73.921.114.010.35.614.51.841.74.624.63.334.24.122.610.327.16.212.93.031.06.141.74.227.15.037.15.015.43.215.55.722.02.114.02.69.96.738.83.126.80.8
loose12.52.122.511.90.0.12.91.610.93.712.12.952.716.93.73.68.71.515.03.48.82.223.33.80.0.9.73.912.33.114.84.913.72.919.64.510.72.911.32.85.13.513.91.89.62.246.312.017.42.513.00.6
open9.81.916.510.713.77.412.21.55.12.513.73.110.510.531.18.316.72.09.62.817.73.014.33.212.48.510.94.427.14.31.91.95.31.911.83.511.03.215.53.120.86.721.82.112.52.57.17.09.71.914.00.6
scattered2.91.18.17.70.0.7.81.23.51.96.92.315.711.49.15.021.02.16.42.310.82.47.82.425.211.02.02.010.32.91.61.62.81.410.13.44.21.916.53.216.36.111.81.621.53.125.19.74.21.310.00.5
grouped crowded0.40.48.17.72.92.85.81.10.0.5.52.10.0.16.16.69.71.60.90.91.20.96.52.323.710.315.05.06.22.30.0.0.0.9.43.30.0.10.42.614.36.03.71.014.02.60.0.0.50.55.20.4
grouped normal0.0.8.17.74.94.93.70.91.11.15.02.00.0.2.92.86.41.35.01.91.81.00.70.70.0.9.44.04.52.00.0.0.0.8.73.20.0.8.92.46.04.22.90.914.52.70.0.0.0.3.90.3
heterogeneous0.40.40.0.0.0.3.90.90.0.0.70.70.0.0.0.9.11.50.90.91.10.85.92.00.0.6.23.51.91.30.0.0.80.80.0.0.0.3.01.52.42.31.80.72.91.30.0.1.20.72.70.3
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..0.0.0.0.9.33.6..16.315.1..4.44.32.61.50.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...1.91.94.64.50.0.3.41.70.0...3.50.8
crowded..0.0.100.0.22.15.0..16.315.1..35.010.511.62.90.0.100.0.0.0.38.822.837.616.745.611.4..100.0.13.612.5..18.45.628.810.526.08.516.23.30.0...20.21.8
normal..36.729.30.0.22.15.1..34.619.7..13.57.415.93.358.622.70.0.64.820.838.822.821.213.820.69.3..0.0.28.316.5..5.93.316.08.424.68.616.83.30.0...18.21.7
loose..0.0.0.0.6.23.0..0.0...4.64.513.43.118.717.50.0.0.0.0.0.0.0.4.14.0..0.0.37.017.3..9.94.215.98.63.73.611.42.90.0...9.91.3
open..63.329.30.0.6.13.0..16.315.1..18.98.422.63.822.719.40.0.17.616.30.0.13.012.019.58.9..0.0.21.113.5..12.64.815.58.222.88.218.03.5100.0...17.21.7
scattered..0.0.0.0.7.43.2..0.0...5.65.55.92.20.0.0.0.17.616.30.0.0.0.10.16.9..0.0.0.0...11.74.59.76.73.73.66.82.30.0...6.71.1
grouped crowded..0.0.0.0.10.53.8..0.0...4.44.37.12.40.0.0.0.0.0.22.319.38.28.10.0...0.0.0.0...11.94.60.0.0.0.11.42.90.0...7.81.2
grouped normal..0.0.0.0.4.42.5..0.0...0.0.8.52.60.0.0.0.0.0.0.0.20.013.10.0...0.0.0.0...17.95.44.64.57.75.29.22.70.0...7.71.2
heterogeneous..0.0.0.0.11.83.9..16.315.1..13.47.412.43.00.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...9.94.24.64.511.56.36.72.30.0...8.81.3
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..0.0.0.0.3.31.00.0.7.13.2..3.43.33.30.90.0.5.73.80.0.16.410.70.0.2.21.30.0.0.0.5.12.90.0.0.40.33.23.12.31.61.20.76.05.90.0.2.30.3
crowded..0.0.73.611.823.92.325.610.111.93.8..59.59.711.51.629.66.234.18.114.19.245.813.518.96.622.03.450.036.145.213.213.14.428.211.128.62.240.79.423.64.613.32.00.0.41.117.721.60.9
normal..9.49.120.811.128.22.442.811.635.75.8..10.45.713.81.729.46.229.97.815.48.215.810.735.07.928.63.80.0.18.29.931.86.047.913.824.62.119.87.932.75.219.22.37.27.123.815.023.60.9
loose..39.414.45.65.613.21.816.58.88.23.2..4.34.314.61.716.85.110.75.025.211.012.48.33.33.217.63.30.0.15.910.213.94.60.0.11.91.610.65.812.63.711.51.916.610.935.116.813.10.7
open..51.215.00.0.11.41.715.18.29.73.5..3.53.518.11.920.65.514.26.034.111.69.69.115.45.915.63.10.0.13.99.213.44.423.912.29.11.416.27.49.43.215.62.234.612.90.0.13.80.7
scattered..0.0.0.0.6.01.30.0.7.13.4..12.16.614.71.70.0.2.82.85.15.10.0.7.34.27.02.250.036.16.86.57.13.50.0.9.61.46.44.36.42.812.72.021.410.80.0.9.20.6
grouped crowded..0.0.0.0.6.41.30.0.10.93.6..3.43.49.61.51.91.80.0.0.0.0.0.5.53.84.81.90.0.0.0.5.53.00.0.8.71.33.23.12.71.911.61.90.0.0.0.7.40.6
grouped normal..0.0.0.0.2.50.80.0.5.02.4..0.0.6.61.20.0.0.0.0.0.0.0.8.44.71.61.10.0.0.0.5.22.90.0.4.20.90.0.2.51.810.01.80.0.0.0.4.50.4
heterogeneous..0.0.0.0.5.01.20.0.4.52.6..3.43.47.81.31.81.82.62.66.05.80.0.6.23.60.60.60.0.0.0.4.92.80.0.2.90.80.0.7.83.14.81.214.39.50.0.4.50.4
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.60.80.0.0.0.3.30.62.81.55.61.60.0.2.31.62.40.51.20.84.41.40.0.5.64.07.12.63.41.11.91.90.80.85.01.85.92.20.60.33.11.72.50.71.60.55.03.32.71.12.60.2
crowded33.53.10.0.73.57.121.91.437.45.021.92.70.0.40.15.511.91.121.63.231.53.27.72.029.57.213.93.622.72.548.86.736.23.710.32.530.14.325.61.827.64.920.41.712.91.43.93.925.82.821.60.5
normal38.93.125.48.510.74.829.11.537.04.728.53.221.114.011.23.514.31.238.33.725.13.033.33.722.57.429.74.521.52.430.06.039.23.929.13.638.44.721.11.617.04.223.91.917.11.58.54.738.33.125.00.5
loose12.52.127.18.51.91.912.51.112.03.510.62.252.716.94.12.312.01.115.62.89.02.022.63.54.32.96.32.414.32.214.34.713.82.818.33.29.52.611.61.39.33.213.21.510.91.332.58.018.02.512.70.4
open9.81.936.09.48.94.911.41.17.12.612.52.410.510.518.64.318.21.313.42.616.82.616.63.19.75.412.93.420.72.51.91.96.11.912.92.712.53.210.71.218.14.419.81.815.21.521.37.19.41.914.20.5
scattered2.91.13.93.70.0.7.10.92.81.66.81.815.711.49.23.316.11.24.21.59.22.07.92.213.06.13.92.08.71.73.12.13.11.48.42.33.71.711.21.211.63.410.51.314.21.422.86.64.11.39.50.4
grouped crowded0.40.43.93.71.91.96.40.80.0.7.11.80.0.8.83.29.31.01.20.81.00.75.62.015.46.410.73.15.01.30.0.0.0.7.32.10.0.9.31.27.43.03.30.812.31.40.0.0.50.56.20.3
grouped normal0.0.3.93.73.23.23.30.60.90.94.91.50.0.1.21.16.80.83.31.31.50.80.60.60.0.9.93.02.71.00.0.0.0.6.82.10.0.6.31.03.72.13.10.811.21.30.0.0.0.4.40.3
heterogeneous0.40.40.0.0.0.5.00.70.0.2.31.00.0.4.62.38.91.01.20.81.40.85.71.80.0.5.72.31.10.60.0.0.80.82.01.10.0.3.40.72.11.53.30.84.60.96.04.01.20.73.80.2
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862134/328465
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a1.50.70.0.0.0.2.40.73.21.75.41.90.0.2.42.41.20.51.61.14.11.40.0.0.0.13.84.64.81.91.61.60.70.75.02.45.92.20.70.72.22.22.80.81.50.94.34.32.91.02.60.3
crowded35.43.00.0.64.58.820.31.839.35.426.23.40.0.25.86.611.91.618.53.529.73.28.62.314.98.05.33.122.33.748.56.636.13.77.22.829.54.418.83.317.05.719.41.811.32.25.95.824.72.721.90.7
normal38.73.031.012.17.64.230.42.133.04.824.93.619.112.713.85.713.61.743.64.324.63.132.73.926.510.427.45.913.22.930.66.038.63.826.64.739.14.814.93.014.85.522.02.014.32.49.56.538.83.026.50.7
loose11.32.023.911.00.0.13.31.511.33.612.52.857.215.83.13.19.41.414.13.18.52.023.23.50.0.14.34.611.52.814.04.314.92.817.54.110.42.811.72.74.83.313.91.79.72.139.611.217.82.413.00.6
open9.31.821.310.814.86.812.31.57.53.012.92.89.59.525.27.016.91.98.62.518.02.713.83.011.67.99.84.024.53.93.92.86.62.013.83.711.13.115.03.019.16.222.12.012.12.311.77.89.11.813.90.6
scattered2.71.07.97.50.0.7.91.24.62.26.82.214.210.39.74.620.62.06.72.311.02.28.22.424.010.51.81.811.62.91.51.52.41.29.43.24.01.815.83.016.65.810.91.520.12.829.010.05.11.39.90.5
grouped crowded0.70.57.97.59.15.36.01.10.0.6.32.00.0.17.66.19.11.40.80.81.50.95.82.123.110.013.44.55.52.00.0.0.0.9.93.30.0.11.72.612.75.43.80.914.82.50.0.0.40.45.40.4
grouped normal0.0.7.97.54.04.03.40.81.11.14.41.70.0.2.42.47.41.35.11.81.50.90.70.70.0.8.53.64.92.00.0.0.0.8.23.00.0.8.92.38.04.43.10.813.72.40.0.0.0.3.90.3
heterogeneous0.40.40.0.0.0.4.00.90.0.0.70.70.0.0.0.9.91.50.90.91.00.77.12.20.0.5.53.11.71.20.0.0.70.72.21.60.0.2.71.34.83.32.10.72.51.10.0.1.10.62.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a..0.0.0.0.7.63.0..14.213.3..4.24.13.11.50.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...1.71.77.75.30.0.3.01.50.0...3.40.8
crowded..0.0.38.733.521.04.6..14.213.3..37.710.411.82.80.0.100.0.0.0.48.618.436.116.448.611.0..100.0.14.112.9..21.05.433.09.823.17.717.53.30.0...20.91.7
normal..27.123.40.0.23.74.8..29.117.3..11.86.517.23.357.722.80.0.69.318.438.418.121.614.019.78.9..0.0.25.815.6..5.12.914.07.422.27.917.43.20.0...18.41.6
loose..0.0.61.333.55.32.6..0.0...4.14.014.13.017.916.90.0.0.0.0.0.0.0.4.03.9..0.0.37.417.3..10.13.912.97.13.33.311.62.70.0...10.01.3
open..72.923.40.0.7.63.0..14.213.3..20.58.421.73.624.420.40.0.15.414.30.0.13.112.118.28.3..0.0.22.714.2..12.64.512.56.827.68.316.03.1100.0...16.71.6
scattered..0.0.0.0.6.22.7..0.0...5.55.35.21.90.0.0.0.15.414.30.0.0.0.9.46.4..0.0.0.0...10.34.07.75.36.74.66.02.00.0...6.11.0
grouped crowded..0.0.0.0.8.83.2..0.0...4.24.16.22.10.0.0.0.0.0.13.112.38.58.30.0...0.0.0.0...13.74.50.0.0.0.10.92.70.0...7.31.1
grouped normal..0.0.0.0.8.63.1..14.213.3..0.0.9.02.50.0.0.0.0.0.0.0.20.713.40.0...0.0.0.0...15.34.78.25.66.74.610.42.60.0...8.71.2
heterogeneous..0.0.0.0.11.23.5..14.213.3..11.96.611.72.80.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...10.23.93.93.810.45.77.32.20.0...8.61.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..0.0.0.0.3.80.90.0.8.53.1..2.72.73.00.80.0.7.84.30.0.13.99.32.42.41.91.10.0.0.0.6.02.90.0.0.40.33.03.02.11.41.40.76.16.00.0.2.50.3
crowded..7.27.073.911.623.22.127.79.814.63.9..57.19.211.41.529.76.134.27.812.07.937.411.717.16.022.83.232.827.344.612.214.24.240.612.330.12.145.29.322.14.314.32.00.0.40.717.722.00.8
normal..12.18.420.410.828.02.343.611.030.35.1..9.35.113.51.631.36.226.67.214.37.721.611.335.87.429.53.60.0.23.010.331.05.439.612.624.72.017.77.232.14.919.22.27.37.323.915.023.50.9
loose..29.211.65.75.613.01.714.98.09.63.2..4.14.115.41.715.94.910.54.926.810.410.97.35.33.717.13.034.527.513.99.113.34.10.0.11.51.510.35.714.63.711.61.815.710.335.416.913.20.7
open..44.413.00.0.12.21.713.87.612.43.7..5.84.017.81.819.75.315.86.036.911.28.17.814.25.415.82.90.0.12.48.313.24.119.810.48.51.314.96.911.83.415.92.135.513.00.0.13.90.7
scattered..7.27.00.0.5.61.20.0.6.72.9..14.66.814.61.70.0.2.62.64.84.70.0.6.73.96.11.932.827.36.15.97.23.20.0.9.51.36.04.15.62.412.01.920.610.30.0.9.00.6
grouped crowded..0.0.0.0.6.01.20.0.9.63.2..3.23.19.41.41.81.70.0.0.0.0.0.5.03.54.11.60.0.0.0.4.72.60.0.8.21.23.03.02.31.611.11.80.0.0.0.6.90.5
grouped normal..0.0.0.0.3.20.90.0.4.52.2..0.0.6.91.20.0.0.0.0.0.0.0.7.64.32.11.20.0.0.0.6.02.90.0.4.00.90.0.2.31.610.21.70.0.0.0.4.70.4
heterogeneous..0.0.0.0.4.81.10.0.3.82.2..3.23.18.01.31.71.72.62.65.25.18.17.85.83.30.60.60.0.0.0.4.42.50.0.3.00.80.0.7.12.84.51.214.79.70.0.4.50.4
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.50.70.0.0.0.3.40.62.61.46.71.60.0.3.01.72.30.51.10.74.61.30.0.4.93.58.22.63.01.01.51.50.60.65.21.75.22.00.60.33.81.92.50.61.80.54.93.32.81.02.60.2
crowded35.43.03.23.266.17.021.51.337.04.821.92.50.0.38.95.011.71.021.43.031.33.08.72.129.26.512.43.324.52.447.86.437.23.510.52.430.94.127.01.729.84.720.01.614.01.33.33.325.22.721.80.5
normal38.73.022.37.211.04.428.91.435.14.526.92.919.112.711.83.414.01.140.23.624.62.832.03.527.07.330.34.322.02.329.25.837.03.628.43.439.14.421.11.515.53.823.71.817.21.58.44.738.42.924.70.5
loose11.32.023.57.14.33.112.51.112.03.311.12.157.215.83.72.112.71.114.72.68.71.822.73.33.92.69.62.813.82.014.94.314.72.716.72.99.12.411.41.28.52.913.51.511.01.228.87.618.42.412.80.4
open9.31.837.48.59.84.611.91.08.82.912.82.29.59.517.74.018.01.212.42.417.42.516.42.98.24.611.83.119.62.33.72.67.11.914.02.712.23.010.21.116.13.920.71.714.71.423.97.38.91.714.20.4
scattered2.71.06.74.60.0.6.80.83.71.86.61.714.210.310.33.215.81.14.51.59.51.98.12.111.05.23.61.88.61.62.92.02.71.28.12.13.51.610.91.111.13.19.81.213.31.324.86.64.91.39.30.3
grouped crowded0.70.53.53.46.03.66.30.80.0.7.21.70.0.9.63.18.80.91.10.71.30.75.01.813.15.59.72.84.41.20.0.0.0.7.22.00.0.9.41.16.52.63.30.812.21.30.0.0.40.46.10.3
grouped normal0.0.3.53.42.62.73.70.60.90.94.71.40.0.1.01.07.40.83.51.21.30.70.60.60.0.9.12.73.11.00.0.0.0.6.92.00.0.5.90.95.52.43.10.811.31.20.0.0.0.4.60.3
heterogeneous0.40.40.0.0.0.4.90.70.0.2.10.90.0.4.02.09.30.91.10.81.20.76.61.92.82.85.22.11.00.60.0.0.60.63.01.30.0.3.50.73.01.73.40.84.40.85.94.01.10.63.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862135/328466
NFI4
forest area
avalanches 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
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.80.60.0.0.0.1.20.50.0.5.22.012.512.40.0.1.90.80.0.1.91.10.0.0.0.6.63.73.11.80.0.0.0.2.82.00.0.1.21.20.0.1.20.64.21.80.0.0.50.51.50.2
crowded34.83.157.914.639.99.928.12.242.35.939.14.237.518.219.67.711.01.935.74.626.23.413.23.127.312.221.65.924.14.141.76.728.53.924.55.230.84.828.95.019.67.727.02.316.23.321.211.430.63.027.20.8
normal39.83.215.510.630.98.929.62.233.65.521.03.837.518.213.07.014.52.129.44.434.13.724.53.927.712.323.16.331.54.750.46.836.64.027.25.431.44.922.64.74.14.028.02.48.12.521.211.435.03.128.30.8
loose11.52.10.0.12.77.19.51.413.64.19.92.60.0.4.64.512.42.010.93.09.42.315.83.30.0.0.0.8.72.94.82.616.33.29.13.622.04.43.62.13.63.58.61.58.02.439.412.716.72.510.90.6
open10.22.017.811.52.92.913.41.79.33.49.72.812.512.413.07.020.92.510.02.915.92.915.53.415.010.17.53.810.53.23.22.212.82.817.44.69.22.914.23.817.27.719.72.218.13.513.19.212.72.214.00.6
scattered2.10.98.88.38.86.14.81.11.21.26.92.30.0.10.95.916.32.26.62.43.71.54.42.07.37.214.85.18.22.80.0.3.51.67.53.24.32.211.93.513.97.38.61.521.23.75.15.01.70.97.00.5
grouped crowded0.40.40.0.0.0.3.60.90.0.2.61.50.0.23.58.48.41.71.01.01.20.91.61.115.010.17.03.92.91.70.0.2.41.44.32.50.0.7.02.87.14.91.50.77.02.30.0.0.40.43.10.3
grouped normal0.0.0.0.4.94.92.90.80.0.4.51.80.0.11.66.410.21.81.71.21.91.14.22.07.77.513.45.09.83.10.0.0.0.4.12.32.21.65.82.515.57.31.80.75.72.10.0.1.60.83.70.3
heterogeneous0.40.40.0.0.0.6.91.20.0.1.11.10.0.3.63.64.31.24.72.05.61.820.73.40.0.6.03.51.21.20.0.0.0.3.12.20.0.4.72.319.17.83.61.011.52.90.0.0.80.64.20.4
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.
inside perimetern/a..0.0.0.0.8.03.4..16.315.1..0.0.3.81.90.0.0.0.0.0.0.0.0.0.4.54.4..0.0.0.0...0.0.0.0.0.0.2.71.50.0...3.10.8
crowded..36.729.30.0.23.35.3..34.619.7..27.210.210.22.921.318.569.126.30.0.62.421.862.216.551.011.3..100.0.16.414.9..21.06.618.19.428.49.118.43.50.0...21.91.9
normal..0.0.100.0.17.64.8..0.0...23.79.121.64.056.021.730.926.30.0.0.0.13.012.018.18.3..0.0.28.617.5..9.54.633.210.936.39.712.73.00.0...18.31.8
loose..63.329.30.0.9.03.5..32.719.2..0.0.16.93.60.0.0.0.58.822.70.0.0.0.15.38.2..0.0.12.211.6..7.24.011.37.512.06.516.83.4100.0...13.81.6
open..0.0.0.0.15.64.5..0.0...9.46.415.03.50.0.0.0.41.222.722.319.313.012.00.0...0.0.28.617.5..24.16.64.94.811.56.322.93.90.0...16.31.7
scattered..0.0.0.0.4.72.7..16.315.1..9.36.25.72.20.0.0.0.0.0.0.0.0.0.11.17.4..0.0.14.313.2..14.25.44.94.80.0.7.82.50.0...6.71.2
grouped crowded..0.0.0.0.2.92.0..0.0...21.19.38.92.80.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...2.42.45.75.511.86.41.81.20.0...4.91.0
grouped normal..0.0.0.0.10.93.9..0.0...9.36.211.33.10.0.0.0.0.0.0.0.11.811.10.0...0.0.0.0...9.64.611.77.80.0.3.41.70.0...6.91.2
heterogeneous..0.0.0.0.8.03.4..0.0...0.0.6.62.422.719.40.0.0.0.15.214.60.0.0.0...0.0.0.0...11.95.010.37.00.0.13.63.10.0...8.01.3
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..9.49.10.0.3.21.00.0.1.61.5..0.0.3.21.00.0.2.92.90.0.10.69.92.72.61.71.20.0.0.0.5.33.00.0.0.50.40.0.0.0.2.30.96.46.30.0.2.10.3
crowded..29.912.962.112.627.32.534.211.524.05.3..38.49.813.21.846.16.841.38.517.59.343.814.119.96.936.64.350.036.151.513.732.26.329.212.740.22.538.510.239.35.619.62.46.46.335.116.828.71.0
normal..23.112.326.511.923.32.343.311.921.25.0..23.28.514.81.929.76.225.17.319.710.424.312.725.57.529.24.10.0.14.19.520.75.650.213.922.42.227.09.632.25.316.02.225.612.927.416.321.80.9
loose..18.711.85.65.69.21.66.36.212.94.1..9.06.010.51.611.24.38.54.718.49.70.0.12.15.76.12.30.0.5.55.49.64.114.810.05.01.14.24.25.02.46.81.532.013.80.0.8.20.6
open..9.49.10.0.16.02.016.28.711.84.0..14.46.618.72.17.43.612.45.822.910.313.79.225.07.07.82.50.0.22.611.77.83.85.75.610.91.614.47.67.53.023.52.67.77.623.815.014.90.8
scattered..0.0.5.75.64.01.10.0.7.03.3..11.56.415.81.90.0.2.92.90.0.7.67.210.45.08.42.550.036.16.36.13.82.70.0.3.91.03.73.67.83.114.22.27.77.613.712.78.20.6
grouped crowded..9.49.10.0.4.41.10.0.15.94.6..0.0.7.61.40.0.0.0.0.0.0.0.2.72.66.02.20.0.0.0.5.83.20.0.9.51.50.0.2.81.93.11.17.77.60.0.5.70.5
grouped normal..0.0.0.0.1.80.70.0.2.92.0..3.53.510.01.60.0.0.0.12.98.50.0.0.0.3.51.70.0.0.0.10.74.10.0.5.71.27.95.41.41.43.81.20.0.0.0.4.70.5
heterogeneous..0.0.0.0.10.91.70.0.2.92.0..0.0.6.21.35.53.16.94.68.68.20.0.1.81.80.80.80.0.0.0.4.12.90.0.1.90.74.24.24.02.210.71.96.46.30.0.5.70.5
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.64.14.10.0.2.60.50.0.4.31.512.512.40.0.2.80.60.0.2.01.00.0.3.83.74.42.12.51.00.0.0.0.3.71.60.0.0.60.30.0.0.90.52.90.82.82.80.50.51.80.2
crowded34.83.143.49.846.57.927.41.640.75.234.23.237.518.228.65.511.91.238.63.729.53.213.22.838.79.124.64.232.73.042.06.631.03.827.33.830.64.536.82.125.95.329.22.118.51.714.26.830.72.927.30.6
normal39.83.217.17.230.77.326.11.535.55.020.52.937.518.219.84.815.71.330.33.632.53.323.13.522.17.723.14.529.22.948.86.734.33.824.63.833.74.721.41.820.25.029.22.113.31.522.48.334.73.025.10.6
loose11.52.115.17.210.15.09.31.012.13.511.42.20.0.4.92.712.11.210.72.49.12.117.73.20.0.4.92.48.01.84.62.615.22.99.42.621.14.05.01.05.92.98.11.39.41.338.39.316.12.410.20.4
open10.22.012.26.61.91.914.61.210.63.310.12.212.512.412.53.919.01.48.92.215.12.617.23.315.76.815.13.78.21.83.12.113.62.814.03.18.82.612.51.412.94.317.11.822.01.910.46.013.12.214.60.5
scattered2.10.94.03.97.64.44.50.71.01.07.21.80.0.10.73.514.51.34.31.63.51.33.71.76.24.311.63.38.61.81.51.53.81.56.32.13.81.96.01.07.83.48.01.314.51.66.04.32.10.97.40.4
grouped crowded0.40.44.14.10.0.3.90.70.0.6.81.80.0.14.24.18.11.00.60.61.00.71.30.97.35.14.62.24.21.30.0.2.11.24.71.90.0.8.51.34.22.42.30.73.80.93.33.30.40.44.20.3
grouped normal0.0.0.0.3.23.23.10.60.0.3.91.40.0.8.03.110.31.11.10.81.60.95.01.93.83.77.82.85.71.50.0.0.0.6.62.11.91.46.01.011.83.91.60.64.20.90.0.1.60.84.30.3
heterogeneous0.40.40.0.0.0.8.61.00.0.1.61.00.0.1.31.35.50.85.51.85.71.718.73.12.42.43.81.90.90.60.0.0.0.3.41.60.0.3.20.811.43.83.40.911.51.42.82.80.80.55.10.3
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, 10.07.2020 #862136/328467
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.80.60.0.0.0.1.40.60.0.5.01.910.510.50.0.1.50.60.0.1.81.00.0.0.0.6.13.42.71.60.0.0.0.2.51.80.0.0.80.80.0.1.10.53.61.40.0.0.50.51.40.2
crowded35.13.153.214.039.99.927.42.142.35.738.34.131.615.919.06.910.81.735.74.626.33.413.63.022.610.319.85.522.53.841.76.727.93.823.04.831.44.822.23.717.26.426.62.215.72.825.811.430.22.926.00.8
normal39.13.114.29.830.98.927.92.134.65.420.23.631.615.913.66.412.21.728.74.333.33.623.83.822.910.623.26.129.34.350.46.836.54.024.04.830.54.818.13.45.43.827.42.38.22.123.210.835.43.126.40.8
loose11.32.10.0.12.77.18.81.313.03.910.22.60.0.3.83.711.91.710.62.99.22.315.33.20.0.0.0.10.53.04.82.616.03.110.63.621.44.32.31.32.52.58.01.46.91.934.911.616.52.510.40.5
open10.02.016.310.72.92.913.41.68.93.39.32.721.114.016.66.917.42.09.82.816.72.915.03.312.48.56.93.510.53.03.22.213.12.816.64.39.02.812.82.912.15.618.62.016.72.911.68.213.02.213.60.6
scattered2.10.98.17.78.86.15.71.11.21.26.72.25.24.98.94.918.22.17.22.53.61.45.02.117.09.317.65.38.42.70.0.3.51.610.53.55.62.421.43.69.85.39.41.529.93.54.54.51.70.89.00.5
grouped crowded0.40.48.17.70.0.4.71.00.0.4.81.90.0.22.67.612.71.80.90.91.81.02.41.312.48.56.43.63.51.70.0.2.91.55.12.50.0.9.72.519.86.83.81.06.21.80.0.0.40.44.60.4
grouped normal0.0.0.0.4.94.93.60.90.0.4.41.80.0.12.55.911.41.72.51.41.91.14.92.06.46.314.45.011.63.10.0.0.0.4.92.42.11.68.32.416.96.41.90.74.61.60.0.1.60.84.30.4
heterogeneous1.20.70.0.0.0.7.11.20.0.1.01.00.0.3.02.93.91.04.62.05.41.820.13.36.46.35.63.21.11.10.0.0.0.2.71.90.0.4.51.816.46.23.20.98.22.10.0.0.80.54.20.3
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..0.0.0.0.7.83.3..16.315.1..0.0.3.51.70.0.0.0.0.0.0.0.0.0.4.54.4..0.0.0.0...0.0.0.0.0.0.2.61.50.0...2.90.8
crowded..36.729.30.0.22.65.1..34.619.7..25.99.911.93.021.318.569.126.30.0.62.421.862.216.551.011.3..100.0.14.113.1..19.65.817.19.027.38.818.73.50.0...21.61.9
normal..0.0.100.0.18.64.8..0.0...22.78.819.73.756.021.730.926.30.0.0.0.13.012.018.18.3..0.0.24.715.5..8.03.931.310.534.99.413.03.00.0...17.71.7
loose..63.329.30.0.8.73.4..32.719.2..0.0.15.43.30.0.0.0.58.822.70.0.0.0.15.38.2..0.0.10.510.1..8.13.916.28.511.56.317.13.4100.0...13.61.5
open..0.0.0.0.15.14.4..0.0...13.57.415.53.40.0.0.0.41.222.722.319.313.012.00.0...0.0.24.715.5..20.25.74.64.511.06.122.13.80.0...16.01.7
scattered..0.0.0.0.4.62.6..16.315.1..8.95.96.92.40.0.0.0.0.0.0.0.0.0.11.17.4..0.0.25.915.6..18.05.44.64.50.0.7.52.40.0...7.61.2
grouped crowded..0.0.0.0.4.42.5..0.0...20.28.99.92.80.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...6.03.35.35.215.37.02.51.40.0...6.11.1
grouped normal..0.0.0.0.10.53.8..0.0...8.95.911.22.90.0.0.0.0.0.0.0.11.811.10.0...0.0.0.0...10.04.311.07.40.0.3.31.60.0...6.91.1
heterogeneous..0.0.0.0.7.83.3..0.0...0.0.6.02.222.719.40.0.0.0.15.214.60.0.0.0...0.0.0.0...10.04.39.76.70.0.13.13.00.0...7.51.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..9.49.10.0.3.11.00.0.1.51.5..0.0.3.40.90.0.2.82.80.0.9.69.12.62.61.61.10.0.0.0.4.82.70.0.0.70.40.0.0.0.2.20.96.46.30.0.2.10.3
crowded..29.912.962.112.627.52.532.211.024.55.2..37.19.512.41.646.16.840.18.417.59.339.613.221.46.936.24.150.036.151.513.731.16.029.212.737.12.333.49.138.35.519.62.36.46.335.116.827.71.0
normal..23.112.326.511.923.32.340.711.420.34.8..22.58.315.01.829.76.224.47.119.710.422.011.825.07.428.33.90.0.14.19.520.55.350.213.921.72.023.48.532.65.315.52.125.612.927.416.321.30.9
loose..18.711.85.65.69.01.611.97.912.33.9..8.75.810.51.511.24.38.34.618.49.70.0.11.95.65.62.10.0.5.55.48.73.814.810.05.01.13.73.64.92.46.31.432.013.80.0.8.00.6
open..9.49.10.0.15.92.015.28.212.74.0..17.37.017.51.97.43.612.05.722.910.312.48.324.56.98.02.40.0.22.611.79.03.85.75.611.11.512.56.77.32.922.42.57.77.623.815.014.60.8
scattered..0.0.5.75.63.91.10.0.6.63.2..11.16.216.21.80.0.2.82.80.0.16.410.710.25.07.72.350.036.16.36.13.52.50.0.6.51.26.44.37.63.016.12.27.77.613.712.79.10.6
grouped crowded..9.49.10.0.4.61.20.0.16.74.6..0.0.8.21.40.0.0.0.0.0.0.0.2.62.66.42.20.0.0.0.8.83.80.0.9.41.410.15.52.71.93.91.27.77.60.0.6.40.5
grouped normal..0.0.0.0.1.80.70.0.2.71.9..3.43.410.91.60.0.0.0.12.98.50.0.0.0.5.52.00.0.0.0.9.83.80.0.6.31.26.94.82.71.93.81.10.0.0.0.5.20.5
heterogeneous..0.0.0.0.11.01.70.0.2.71.9..0.0.5.91.25.53.19.55.28.68.20.0.1.81.80.70.70.0.0.0.3.82.60.0.2.10.73.73.63.92.210.21.86.46.30.0.5.60.5
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.63.93.90.0.2.60.50.0.4.11.410.510.50.0.2.60.50.0.2.01.00.0.3.33.34.22.02.30.90.0.0.0.3.31.50.0.0.60.30.0.0.90.42.70.72.62.60.50.51.80.2
crowded35.13.141.89.646.57.927.11.540.35.033.83.131.615.927.05.111.71.138.63.729.43.213.52.734.08.224.14.031.72.842.06.630.53.725.83.631.14.532.61.922.64.628.52.018.21.617.37.130.42.926.30.6
normal39.13.116.46.930.77.325.41.535.84.919.72.831.615.919.04.514.51.229.73.531.73.222.53.419.46.923.04.427.92.748.86.734.33.722.63.432.94.619.91.617.54.228.72.012.81.423.48.135.23.023.90.5
loose11.32.114.67.010.15.08.91.012.83.511.52.20.0.4.52.511.71.110.52.48.92.017.33.10.0.4.72.38.41.84.62.615.02.99.82.520.64.04.70.96.12.67.71.28.71.235.78.815.92.49.80.4
open10.02.011.76.41.91.914.51.210.23.110.22.221.114.016.04.117.21.38.82.215.62.616.83.213.86.014.43.58.41.83.12.113.92.713.92.98.62.612.21.310.53.516.41.720.61.79.75.713.32.214.20.5
scattered2.10.93.93.77.64.44.90.70.90.96.91.75.24.99.73.215.81.24.71.63.41.34.31.814.46.113.13.48.21.71.51.53.71.58.52.34.92.110.61.27.43.08.61.318.51.65.64.02.10.98.90.4
grouped crowded0.40.47.85.30.0.4.60.70.0.8.51.90.0.14.24.010.21.00.60.61.50.82.01.26.44.54.42.14.71.30.0.2.71.36.42.10.0.9.21.213.13.74.30.94.30.93.13.10.40.45.40.3
grouped normal0.0.0.0.3.23.23.40.60.0.3.71.30.0.8.43.011.11.11.70.91.50.95.52.03.33.38.52.87.61.60.0.0.0.6.62.01.91.47.01.012.13.61.90.64.00.80.0.1.60.84.90.3
heterogeneous1.20.70.0.0.0.8.71.00.0.1.60.90.0.1.21.25.10.75.41.76.11.718.23.05.43.93.61.80.80.60.0.0.0.3.01.50.0.3.20.710.63.43.10.810.21.32.62.60.70.55.00.3
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862137/328468
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.80.60.0.0.0.1.30.50.0.4.91.910.510.50.0.1.30.60.0.1.81.00.0.0.0.5.73.22.51.40.0.0.0.2.51.70.0.0.70.70.0.1.10.53.11.20.0.0.50.51.30.2
crowded35.13.153.214.040.49.527.22.141.35.639.24.131.615.921.36.610.51.636.24.626.63.413.33.021.69.920.65.421.13.542.76.628.23.822.74.831.04.720.53.316.36.126.32.215.02.524.110.830.72.925.60.7
normal39.13.114.29.829.28.426.52.034.95.419.93.631.615.911.45.411.01.628.44.232.93.624.33.821.910.221.95.827.54.149.56.736.03.923.74.830.24.817.13.15.13.626.82.27.01.821.710.234.63.025.30.7
loose11.32.10.0.12.06.78.61.312.73.810.12.60.0.3.23.111.01.610.52.99.02.215.13.20.0.0.0.10.52.94.72.616.63.110.43.522.34.32.71.32.42.48.11.45.91.732.511.016.12.410.10.5
open10.02.016.310.72.82.712.71.59.83.49.22.721.114.013.95.816.21.99.72.816.52.914.73.311.98.26.53.310.52.93.12.212.92.816.44.28.92.813.82.811.55.418.22.016.22.617.59.713.02.213.40.6
scattered2.10.98.17.711.16.36.91.21.11.16.62.25.24.910.45.019.32.07.12.43.51.45.72.216.28.918.55.29.22.60.0.3.41.510.43.55.52.421.23.39.35.110.31.532.63.34.24.22.41.010.00.5
grouped crowded0.40.48.17.70.0.5.61.10.0.4.81.90.0.26.97.313.71.70.90.92.41.22.31.316.28.98.03.84.91.90.0.2.91.55.12.50.0.10.42.521.16.84.01.08.31.90.0.0.40.45.40.4
grouped normal0.0.0.0.4.64.63.80.90.0.4.31.70.0.10.55.012.61.72.51.41.91.14.82.06.16.013.64.713.03.10.0.0.0.4.82.42.11.69.82.418.86.52.10.73.91.40.0.1.60.84.70.4
heterogeneous1.20.70.0.0.0.7.41.20.0.1.01.00.0.2.52.54.31.04.62.05.41.719.73.36.16.05.23.01.01.00.0.0.0.4.02.30.0.3.91.615.65.93.10.98.01.90.0.0.80.54.20.3
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..0.0.0.0.7.83.3..16.315.1..0.0.3.41.70.0.0.0.0.0.0.0.0.0.4.54.4..0.0.0.0...0.0.0.0.0.0.2.61.50.0...2.90.8
crowded..36.729.30.0.22.65.1..34.619.7..24.59.511.72.921.318.569.126.30.0.62.421.851.415.151.011.3..100.0.12.811.9..19.65.817.19.027.38.818.53.50.0...21.31.9
normal..0.0.100.0.18.64.8..0.0...21.48.320.23.756.021.730.926.30.0.0.0.10.710.118.18.3..0.0.22.314.2..8.03.931.310.534.99.412.93.00.0...17.61.7
loose..63.329.30.0.8.73.4..32.719.2..5.35.215.13.30.0.0.0.58.822.70.0.0.0.15.38.2..0.0.9.59.2..8.13.916.28.511.56.316.93.4100.0...13.61.5
open..0.0.0.0.15.14.4..0.0...12.87.015.23.30.0.0.0.41.222.722.319.321.413.10.0...0.0.31.915.7..20.25.74.64.511.06.121.93.70.0...16.21.7
scattered..0.0.0.0.4.62.6..16.315.1..8.45.66.82.30.0.0.0.0.0.0.0.6.86.711.17.4..0.0.23.514.3..18.05.44.64.50.0.8.32.50.0...7.91.2
grouped crowded..0.0.0.0.4.42.5..0.0...19.18.59.72.80.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0...6.03.35.35.215.37.02.51.40.0...6.01.1
grouped normal..0.0.0.0.10.53.8..0.0...8.45.611.02.90.0.0.0.0.0.0.0.9.89.20.0...0.0.0.0...10.04.311.07.40.0.3.31.60.0...6.81.1
heterogeneous..0.0.0.0.7.83.3..0.0...0.0.6.82.322.719.40.0.0.0.15.214.60.0.0.0...0.0.0.0...10.04.39.76.70.0.13.03.00.0...7.61.2
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimetern/a..9.49.10.0.3.10.90.0.1.51.5..0.0.3.20.90.0.2.82.80.0.9.69.12.52.51.51.10.0.0.0.4.72.70.0.0.70.40.0.0.0.2.10.96.46.30.0.2.10.3
crowded..29.912.962.112.627.62.432.211.024.55.2..37.19.512.41.647.16.840.18.417.59.339.613.220.26.635.74.050.036.151.513.732.46.029.212.736.42.334.48.839.15.419.22.36.46.335.116.827.51.0
normal..23.112.326.511.923.42.340.711.420.34.8..22.58.314.51.729.26.224.47.119.710.422.011.826.77.328.33.80.0.14.19.520.15.350.213.921.42.022.08.032.25.215.22.125.612.927.416.321.00.9
loose..18.711.85.65.69.21.611.97.912.33.9..8.75.810.91.511.04.38.34.618.49.70.0.11.25.35.42.00.0.5.55.48.63.714.810.05.41.13.53.44.82.46.11.432.013.80.0.8.10.6
open..9.49.10.0.15.72.015.28.212.74.0..17.37.017.51.97.33.512.05.722.910.312.48.323.16.58.62.50.0.22.611.78.83.85.75.611.11.514.76.87.22.922.02.47.77.623.815.014.60.8
scattered..0.0.5.75.63.91.00.0.6.63.2..11.16.216.11.80.0.2.82.80.0.16.410.79.64.77.42.250.036.16.36.13.42.40.0.6.81.26.04.17.53.016.12.27.77.613.712.79.20.6
grouped crowded..9.49.10.0.4.51.10.0.16.74.6..0.0.8.91.40.0.0.0.0.0.0.0.5.03.47.02.20.0.0.0.8.73.70.0.9.71.49.55.22.71.93.91.17.77.60.0.6.60.5
grouped normal..0.0.0.0.1.80.70.0.2.71.9..3.43.410.71.50.0.0.0.12.98.50.0.0.0.5.41.90.0.0.0.9.63.70.0.6.41.16.54.52.71.93.81.10.0.0.0.5.20.5
heterogeneous..0.0.0.0.10.91.70.0.2.71.9..0.0.5.71.15.43.19.55.28.68.20.0.1.71.70.70.70.0.0.0.3.72.60.0.2.30.73.53.43.82.211.81.96.46.30.0.5.70.5
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.63.93.90.0.2.50.50.0.4.11.410.510.50.0.2.50.50.0.2.01.00.0.3.23.23.91.92.20.90.0.0.0.3.21.40.0.0.60.30.0.0.80.42.50.62.52.50.50.51.70.2
crowded35.13.141.89.646.67.727.01.539.54.934.43.131.615.927.14.911.51.039.23.729.63.213.32.733.28.023.53.930.52.742.96.530.73.726.03.630.84.431.51.822.74.528.42.017.61.516.66.930.82.925.90.6
normal39.13.116.46.929.67.024.71.436.14.819.52.831.615.917.54.113.71.129.43.531.43.223.03.418.96.822.74.227.12.648.06.633.83.722.23.432.54.619.41.616.74.128.12.012.01.322.57.934.43.023.20.5
loose11.32.114.67.09.74.88.81.012.63.511.42.20.0.5.52.611.51.010.42.38.82.017.03.10.0.4.42.18.41.74.52.515.52.99.62.521.54.04.90.95.82.57.71.28.21.134.38.615.52.39.70.4
open10.02.011.76.41.81.814.01.210.93.210.12.221.114.014.73.816.71.28.72.115.52.516.53.113.55.914.53.48.81.73.02.113.72.714.22.98.52.512.41.311.13.516.01.720.11.613.26.513.42.214.00.4
scattered2.10.93.93.79.24.55.50.80.90.96.81.75.24.910.13.216.31.24.71.63.41.24.91.914.16.013.93.38.51.71.51.53.71.58.32.34.92.111.01.27.12.89.31.320.11.65.43.82.81.09.50.4
grouped crowded0.40.47.85.30.0.5.10.70.0.8.51.90.0.16.44.011.01.00.60.62.01.02.01.18.64.96.02.45.51.40.0.2.61.36.22.00.0.9.61.213.63.74.40.95.10.93.02.90.40.45.80.3
grouped normal0.0.0.0.3.13.13.50.60.0.3.71.30.0.7.72.811.61.11.70.91.50.95.41.93.23.27.92.68.31.60.0.0.0.6.52.01.91.47.51.012.83.62.10.73.70.80.0.1.50.85.10.3
heterogeneous1.20.70.0.0.0.8.81.00.0.1.50.90.0.1.11.15.30.75.31.76.01.717.93.05.33.83.31.70.80.50.0.0.0.3.61.60.0.3.20.710.13.23.10.810.81.32.52.50.70.55.00.3
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862138/328469
NFI3
forest area
avalanches 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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a2.50.44.81.14.41.31.71.22.00.90.90.92.90.3
crowded27.01.018.01.919.22.59.32.612.62.120.34.022.80.8
normal35.11.121.32.018.02.415.13.217.92.420.94.128.90.8
loose14.50.812.91.714.32.211.32.89.91.915.93.713.80.6
open12.30.815.61.822.02.613.03.018.22.420.54.014.40.6
scattered5.20.510.41.59.71.917.73.514.72.28.92.87.80.5
grouped crowded1.30.37.51.36.41.511.72.96.91.64.92.13.70.3
grouped normal0.70.25.71.15.61.516.03.47.11.64.92.13.20.3
heterogeneous1.40.34.01.00.40.44.21.910.71.92.91.62.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.7.22.62.82.03.51.73.62.11.61.63.80.9
crowded38.910.222.54.231.45.615.03.311.53.414.74.519.71.9
normal35.210.023.84.319.54.717.43.417.44.111.54.119.31.8
loose8.85.94.22.09.53.411.83.015.43.99.93.910.01.4
open8.55.811.03.122.75.018.63.622.04.519.95.217.91.8
scattered8.55.85.02.27.03.07.02.48.02.93.32.36.31.1
grouped crowded0.0.8.12.71.41.411.83.03.72.19.83.87.01.2
grouped normal0.0.6.32.51.41.47.82.59.43.214.44.47.21.2
heterogeneous0.0.12.03.24.32.46.92.49.03.115.04.68.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.44.61.03.51.11.30.74.21.20.90.42.50.4
crowded34.32.918.91.929.42.813.22.010.71.927.82.122.60.9
normal29.72.830.12.223.72.620.42.513.32.124.12.024.11.0
loose14.62.212.81.612.92.111.72.012.22.014.51.713.20.8
open13.82.112.31.616.22.316.62.321.32.510.51.414.40.8
scattered3.81.25.51.17.01.610.21.914.02.16.61.17.50.6
grouped crowded1.10.65.81.12.71.011.42.09.91.88.21.36.70.6
grouped normal0.40.43.60.92.00.910.91.97.51.63.60.84.50.5
heterogeneous2.00.96.41.22.71.04.41.36.91.54.00.94.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.20.34.90.73.80.81.90.63.20.70.90.42.80.2
crowded28.01.018.91.325.31.812.71.411.61.325.31.822.50.6
normal34.41.025.61.420.71.718.41.715.81.522.41.726.30.6
loose14.50.811.91.113.11.411.61.411.71.314.31.413.30.5
open12.40.713.61.119.51.616.21.620.11.613.01.314.70.5
scattered5.00.57.60.98.21.111.31.413.51.46.61.07.60.4
grouped crowded1.30.26.80.84.10.811.61.47.81.17.81.15.00.3
grouped normal0.70.24.80.73.50.811.41.47.61.14.80.84.00.3
heterogeneous1.40.35.90.81.90.65.01.08.81.14.90.93.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862139/328470
NFI4
forest area
avalanches 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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a0.90.23.00.91.20.74.21.82.00.90.90.91.40.2
crowded31.41.122.72.126.72.816.23.39.41.829.34.527.20.8
normal33.41.123.62.125.22.78.12.514.12.222.14.228.20.8
loose12.40.88.51.47.11.68.02.412.92.13.91.911.00.6
open13.20.812.71.712.92.118.13.521.22.614.73.514.10.6
scattered3.60.48.71.49.61.921.23.715.62.314.63.57.00.5
grouped crowded0.80.26.01.25.61.57.02.39.11.85.72.33.10.3
grouped normal1.10.36.41.28.01.75.72.111.02.04.82.13.60.3
heterogeneous3.10.48.41.43.71.211.52.94.61.33.91.94.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.6.12.41.41.42.71.53.62.01.61.63.10.8
crowded30.29.629.84.629.95.518.43.510.13.216.84.821.51.9
normal26.49.219.24.024.95.112.73.023.04.511.54.118.51.8
loose26.69.37.72.612.43.916.83.418.64.28.63.713.91.6
open8.85.915.03.66.93.022.93.914.13.822.45.316.21.7
scattered0.0.4.01.98.83.47.82.55.82.511.44.16.81.2
grouped crowded0.0.5.02.27.33.11.81.29.63.23.22.24.91.0
grouped normal4.03.97.02.55.72.83.41.710.33.311.44.16.91.2
heterogeneous4.03.96.22.52.71.913.63.14.72.313.04.38.01.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.20.72.60.82.71.02.30.93.11.11.10.52.10.3
crowded36.03.028.92.235.22.919.62.49.71.837.42.328.81.0
normal32.62.921.02.026.42.716.02.212.62.022.52.021.80.9
loose8.81.89.51.48.61.86.81.59.71.86.51.18.20.6
open13.32.115.11.78.41.723.52.621.82.510.51.414.90.8
scattered2.30.95.91.17.31.614.22.217.42.34.91.08.10.6
grouped crowded0.40.46.11.24.71.33.11.17.71.69.21.35.70.5
grouped normal0.80.52.10.75.01.33.81.211.21.95.81.14.70.5
heterogeneous4.61.38.81.41.60.810.71.97.01.52.20.75.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.90.23.20.61.90.62.90.82.70.71.10.41.80.2
crowded32.01.026.31.430.91.918.51.79.61.234.11.927.30.6
normal33.21.021.91.425.71.813.31.514.71.421.41.625.00.6
loose12.10.78.90.98.41.19.41.312.31.36.31.010.20.4
open13.20.714.01.110.21.322.01.920.51.612.31.314.60.5
scattered3.40.46.90.88.51.114.51.615.01.47.11.07.40.4
grouped crowded0.70.25.90.85.40.93.80.98.51.18.01.14.20.3
grouped normal1.10.24.50.76.41.04.20.911.01.36.21.04.30.3
heterogeneous3.30.48.30.92.60.711.51.45.70.93.50.75.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862140/328471
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a2.40.34.50.93.61.01.50.91.40.60.50.52.50.3
crowded27.01.017.11.718.72.111.32.211.21.618.62.922.00.7
normal34.01.020.31.816.42.014.32.414.21.813.62.526.40.7
loose14.20.812.51.512.41.89.72.19.11.511.92.412.90.6
open12.30.714.71.620.62.212.12.317.22.015.02.614.00.6
scattered5.90.511.21.411.71.820.12.818.72.020.53.010.00.5
grouped crowded1.60.39.81.39.01.614.82.59.71.59.72.25.40.4
grouped normal1.10.26.01.05.71.313.72.48.11.47.01.93.90.3
heterogeneous1.50.33.90.91.80.72.51.110.31.63.21.32.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.5.82.13.52.03.01.53.71.81.21.23.40.8
crowded38.49.621.83.833.15.217.53.313.53.215.94.120.71.7
normal38.59.623.03.816.64.117.43.216.33.59.93.318.21.6
loose7.75.23.41.710.53.311.62.714.53.411.23.510.01.3
open7.75.213.13.121.74.516.03.120.73.916.24.116.81.6
scattered7.75.24.91.96.02.66.02.06.12.27.52.96.11.0
grouped crowded0.0.7.42.41.21.210.92.76.52.411.13.57.31.1
grouped normal0.0.9.92.72.51.710.42.69.92.812.13.68.81.2
heterogeneous0.0.10.72.84.82.47.32.28.92.714.94.08.71.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.30.35.41.03.11.01.40.73.31.00.70.32.50.3
crowded34.62.818.01.727.32.514.32.010.41.727.21.822.10.8
normal29.32.729.32.025.12.419.22.212.51.823.11.723.50.9
loose14.62.112.71.513.11.911.61.813.01.813.61.413.10.7
open14.32.012.81.516.02.015.92.120.12.29.01.213.90.7
scattered3.71.15.41.07.61.512.01.915.42.010.11.28.90.6
grouped crowded1.00.66.51.13.41.011.11.810.51.77.81.16.90.5
grouped normal0.30.33.90.82.20.810.21.78.11.53.80.84.60.4
heterogeneous1.70.85.81.02.10.84.51.26.61.34.70.94.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.10.35.00.63.40.71.80.52.50.50.70.32.60.2
crowded28.00.918.01.124.11.514.01.311.21.124.31.421.90.5
normal33.51.024.61.320.21.417.21.513.81.219.81.324.70.5
loose14.20.711.61.012.51.211.01.211.51.113.01.212.80.4
open12.50.713.71.018.71.414.71.418.91.411.01.114.20.4
scattered5.70.58.00.89.31.113.31.315.61.312.11.19.30.3
grouped crowded1.50.28.10.85.70.812.21.39.61.08.50.96.10.3
grouped normal1.00.25.50.73.80.711.31.28.41.05.20.74.60.3
heterogeneous1.50.25.50.72.30.64.40.88.61.05.30.83.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862141/328472
NFI4
forest area
avalanches 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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a0.90.22.50.71.00.63.11.21.50.70.50.51.30.2
crowded31.31.122.21.924.32.415.02.59.41.620.32.925.50.7
normal32.71.120.31.821.72.37.01.811.21.715.62.625.20.7
loose12.20.87.41.27.31.55.91.712.01.72.61.210.10.5
open13.10.811.71.512.31.916.22.616.92.013.12.413.40.6
scattered4.40.510.91.410.21.732.63.316.32.026.13.210.00.5
grouped crowded1.00.29.81.39.71.78.31.914.41.99.82.15.40.4
grouped normal1.30.36.91.19.91.73.91.413.51.88.82.14.70.4
heterogeneous3.10.48.31.33.61.18.01.94.81.13.11.34.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.5.82.31.31.32.61.53.11.81.41.42.90.8
crowded30.29.628.64.527.65.118.53.511.93.216.34.521.01.8
normal26.49.219.43.923.04.812.93.021.24.110.23.717.81.7
loose26.69.37.42.514.13.916.93.416.33.79.03.513.71.5
open8.85.914.43.510.23.421.93.714.53.619.84.716.11.7
scattered0.0.4.82.19.43.48.32.57.22.614.54.28.01.2
grouped crowded0.0.6.82.56.72.92.51.410.53.15.72.76.01.1
grouped normal4.03.96.72.45.32.63.31.610.13.011.53.86.81.1
heterogeneous4.03.96.02.42.51.713.03.05.22.311.53.87.71.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.20.72.50.72.50.92.10.93.31.01.10.42.10.3
crowded36.23.029.02.234.32.819.22.39.31.633.82.027.60.9
normal32.52.920.91.925.32.515.22.112.31.921.51.821.00.9
loose9.11.89.31.47.81.66.11.410.51.76.61.18.10.6
open13.12.114.81.79.51.722.02.420.52.310.51.314.60.8
scattered2.30.95.81.17.01.516.12.216.52.18.21.19.10.6
grouped crowded0.40.46.51.26.71.53.91.18.81.69.61.36.50.5
grouped normal0.80.52.20.75.61.33.81.112.21.86.41.05.20.5
heterogeneous4.51.38.91.41.40.711.81.96.61.42.40.75.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.90.22.80.51.60.52.50.62.40.61.00.31.70.2
crowded31.91.025.71.328.91.717.61.59.71.129.11.625.90.5
normal32.61.020.51.223.41.612.01.312.91.219.11.423.10.5
loose11.90.78.20.98.21.18.21.111.91.25.80.89.70.4
open13.10.713.31.110.91.220.11.618.11.411.91.114.00.4
scattered4.10.48.10.88.81.120.11.615.21.313.01.19.50.4
grouped crowded0.90.28.10.88.11.05.10.911.61.29.31.05.80.3
grouped normal1.20.24.90.77.61.03.70.812.61.27.40.95.10.3
heterogeneous3.30.48.30.92.50.610.81.35.60.83.40.65.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862142/328473
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a2.40.44.20.93.81.11.20.91.60.70.60.62.60.3
crowded26.81.017.71.818.82.310.22.312.21.817.63.022.00.7
normal34.61.120.31.916.32.213.82.615.22.013.72.726.90.8
loose14.30.812.11.513.82.09.92.38.51.612.42.613.10.6
open12.30.814.81.721.12.412.92.617.12.116.52.914.20.6
scattered5.70.511.31.511.21.821.53.218.12.220.83.29.80.5
grouped crowded1.50.39.41.48.01.614.42.710.31.78.52.25.10.4
grouped normal0.90.26.01.15.91.413.22.66.91.47.32.03.70.3
heterogeneous1.40.34.10.91.10.63.01.310.01.72.41.22.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.7.02.52.71.93.41.73.31.81.41.43.60.9
crowded38.910.222.84.231.55.416.23.312.23.314.44.220.01.8
normal35.210.023.14.218.74.516.83.315.53.710.23.718.21.7
loose8.85.94.02.010.53.511.42.913.83.510.23.79.91.4
open8.55.811.73.221.84.818.03.521.84.217.64.617.51.7
scattered8.55.84.82.16.72.96.82.37.12.68.63.46.81.1
grouped crowded0.0.7.82.71.41.311.42.97.72.88.63.47.41.2
grouped normal0.0.7.12.61.41.39.22.79.53.014.24.27.91.2
heterogeneous0.0.11.63.15.42.66.72.39.22.914.74.38.81.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.44.41.03.21.11.20.73.81.10.80.42.30.3
crowded34.12.918.51.928.02.713.32.010.91.826.31.921.90.9
normal29.82.830.42.223.82.519.22.312.91.922.51.823.40.9
loose14.82.212.41.613.82.111.51.912.41.913.61.513.10.7
open13.72.111.91.615.82.215.62.220.32.39.91.313.80.8
scattered3.81.25.71.17.61.612.72.014.52.010.41.39.10.6
grouped crowded1.10.66.81.23.51.111.61.910.81.88.31.27.30.6
grouped normal0.40.43.70.91.80.810.01.87.71.54.00.84.50.4
heterogeneous1.90.96.11.12.50.94.81.26.81.44.40.94.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.20.34.60.63.40.71.60.52.70.60.80.32.60.2
crowded27.81.018.61.224.31.713.01.411.71.223.41.521.80.5
normal34.01.025.01.419.81.517.11.514.31.319.51.424.90.6
loose14.30.811.41.013.41.311.01.310.91.213.01.212.80.4
open12.40.713.21.118.91.515.31.519.01.512.01.214.30.5
scattered5.50.58.20.99.11.114.11.415.11.312.41.19.30.4
grouped crowded1.40.38.10.95.30.912.41.410.21.18.41.06.10.3
grouped normal0.90.25.10.73.60.710.81.37.61.05.70.84.30.3
heterogeneous1.40.35.80.72.20.64.70.98.51.04.90.83.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862143/328474
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a0.90.22.60.81.00.63.61.41.60.70.60.61.40.2
crowded31.31.121.91.924.92.515.82.89.61.722.03.325.90.8
normal33.01.121.61.923.22.58.22.112.21.816.93.026.40.8
loose12.20.87.71.37.51.56.91.912.81.92.51.210.40.5
open13.20.812.41.512.62.016.72.917.92.212.92.613.60.6
scattered4.10.59.81.49.71.729.93.515.62.025.73.49.00.5
grouped crowded1.00.28.71.38.11.66.21.813.31.99.12.24.60.4
grouped normal1.20.36.91.29.41.74.61.612.61.96.72.04.30.4
heterogeneous3.20.48.21.33.51.18.22.14.31.13.61.54.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.5.92.31.41.42.61.53.21.81.41.42.90.8
crowded30.29.628.94.528.75.318.73.512.13.316.34.521.31.9
normal26.49.219.63.923.94.913.03.020.64.110.23.717.81.7
loose26.69.37.52.613.33.917.13.416.73.89.03.513.71.6
open8.85.914.63.57.93.122.13.814.83.719.84.715.91.7
scattered0.0.3.81.99.83.57.52.47.32.714.54.27.71.2
grouped crowded0.0.6.92.57.03.02.51.410.73.25.72.76.11.1
grouped normal4.03.96.82.55.52.73.31.610.33.111.53.87.01.2
heterogeneous4.03.96.02.42.61.813.13.04.22.111.53.87.61.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.20.72.60.82.50.92.20.93.41.11.10.52.10.3
crowded35.73.029.12.234.22.819.62.39.01.634.52.127.71.0
normal32.72.920.71.925.62.615.52.112.81.921.91.821.30.9
loose9.11.89.21.48.01.66.31.49.91.76.41.18.00.6
open13.22.115.01.79.01.722.42.520.72.310.41.314.60.8
scattered2.30.95.91.17.21.516.12.216.82.17.81.19.10.6
grouped crowded0.40.46.41.26.51.53.91.28.21.69.31.36.30.5
grouped normal0.80.52.30.75.71.43.81.112.41.96.31.05.20.5
heterogeneous4.61.39.01.41.50.710.21.86.81.42.30.75.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.90.22.90.51.70.52.70.72.60.61.00.41.80.2
crowded31.81.025.81.429.41.818.21.69.71.130.21.626.20.6
normal32.91.021.01.324.31.712.81.413.61.319.81.423.80.5
loose11.90.78.30.98.41.18.71.212.11.25.80.89.80.4
open13.10.713.81.110.51.220.61.718.71.511.81.214.20.5
scattered3.80.47.50.88.61.118.51.615.01.312.21.18.90.4
grouped crowded1.00.27.50.87.31.04.30.910.81.28.91.05.40.3
grouped normal1.20.24.90.77.31.04.00.812.21.26.90.94.90.3
heterogeneous3.30.48.30.92.50.610.21.35.30.83.40.75.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862144/328475
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a1.10.42.41.04.11.32.81.03.10.74.72.64.81.34.01.52.61.53.22.24.02.81.20.91.60.70.60.62.60.3
crowded19.21.642.93.428.52.927.92.527.81.919.04.017.92.420.53.016.13.411.44.119.95.310.22.312.21.817.63.022.00.7
normal30.31.836.63.330.13.238.92.838.02.123.24.619.62.518.22.919.83.718.64.87.34.113.82.615.22.013.72.726.90.8
loose16.01.512.32.313.62.412.91.914.61.612.83.612.42.115.02.711.23.014.74.68.84.29.92.38.51.612.42.613.10.6
open16.91.53.51.311.52.211.31.811.41.412.73.616.72.319.63.011.33.022.55.325.36.412.92.617.12.116.52.914.10.6
scattered9.11.22.41.17.11.73.61.13.80.810.83.611.52.09.72.212.23.011.64.116.15.321.53.218.12.220.83.29.80.5
grouped crowded2.60.70.0.2.71.10.80.50.60.48.13.08.31.75.71.712.13.011.54.112.84.914.42.710.31.78.52.25.10.4
grouped normal2.40.60.0.1.50.90.0.0.0.6.83.04.51.36.71.99.62.75.02.83.72.613.22.66.91.47.32.03.70.3
heterogeneous2.40.60.0.1.00.71.90.80.70.41.91.34.41.30.60.65.22.11.61.62.22.13.01.310.01.72.41.22.70.3
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.........21.09.20.0.0.0.5.83.23.73.62.72.73.41.73.31.81.41.43.70.9
crowded38.910.2........25.08.931.19.013.79.117.65.323.58.246.78.916.23.312.23.314.44.220.11.8
normal35.110.0........19.98.120.57.535.912.925.36.118.37.510.75.116.83.315.53.710.23.718.01.7
loose8.75.9........4.94.84.24.16.96.73.72.622.28.12.52.511.42.913.83.510.23.79.91.4
open8.65.9........11.86.510.75.943.413.411.54.517.77.215.66.518.03.521.84.217.64.617.31.7
scattered8.65.9........0.0.3.23.20.0.8.03.97.25.011.16.06.82.37.12.68.63.46.91.2
grouped crowded0.0.........3.73.610.25.60.0.7.63.70.0.2.72.711.42.97.72.88.63.47.31.2
grouped normal0.0.........0.0.10.05.50.0.8.33.93.73.60.0.9.22.79.53.014.24.27.91.2
heterogeneous0.0.........13.67.310.05.50.0.12.34.73.73.68.04.56.72.39.22.914.74.38.81.3
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.4.44.30.0.0.0.9.13.03.11.13.11.44.01.72.42.34.12.31.20.73.81.10.80.42.40.3
crowded36.44.029.610.219.88.038.57.026.58.114.73.221.62.925.73.315.63.328.77.132.55.613.32.010.91.826.31.921.70.9
normal29.83.936.010.944.410.116.35.337.59.227.84.431.03.227.53.431.14.121.86.415.54.219.22.312.91.922.51.823.40.9
loose12.62.814.67.99.16.118.25.525.08.210.52.915.82.611.62.58.62.624.66.913.04.111.51.912.41.913.61.513.10.7
open14.22.914.67.98.65.816.45.311.06.09.42.913.92.416.32.89.82.715.35.713.94.215.62.220.32.39.91.313.80.8
scattered3.41.55.15.09.16.14.53.10.0.5.62.43.91.36.41.99.12.64.73.213.24.112.72.014.52.010.41.39.20.6
grouped crowded1.30.90.0.0.0.2.12.10.0.11.03.01.30.73.61.412.43.02.42.33.92.211.61.910.81.88.31.27.20.6
grouped normal0.70.70.0.0.0.0.0.0.0.3.11.52.71.12.71.35.92.10.0.1.31.310.01.87.71.54.00.84.60.5
heterogeneous1.51.00.0.4.64.54.02.80.0.8.72.86.71.73.01.43.51.70.0.2.51.74.81.26.81.44.40.94.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.32.20.94.11.22.40.82.90.78.62.03.80.83.41.03.71.13.01.43.81.51.60.52.70.60.80.32.60.2
crowded22.91.541.73.327.62.729.32.427.71.917.52.320.21.822.72.216.12.119.43.531.63.713.01.411.71.223.41.521.70.5
normal30.41.636.53.131.53.135.82.538.02.025.12.924.61.923.22.225.52.519.63.411.82.617.11.514.31.319.51.424.90.6
loose15.21.312.52.213.22.213.61.815.21.510.92.113.41.613.11.88.81.719.43.59.42.411.01.310.91.213.01.212.80.4
open16.21.34.51.411.22.112.01.711.41.411.02.215.21.618.92.110.71.819.23.517.93.115.31.519.01.512.01.214.20.5
scattered8.11.02.61.17.31.73.71.03.60.87.11.97.81.27.81.410.21.88.52.413.72.814.11.415.11.312.41.19.40.4
grouped crowded2.30.50.0.2.41.00.90.50.60.39.01.95.41.04.51.111.41.96.32.16.52.012.41.410.21.18.41.06.00.3
grouped normal2.10.50.0.1.40.80.0.0.0.4.31.44.00.94.61.17.81.63.11.51.81.010.81.37.61.05.70.84.40.3
heterogeneous2.10.50.0.1.30.82.20.80.70.36.51.75.71.01.70.75.71.41.51.13.61.54.70.98.51.04.90.83.90.3
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862145/328476
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.50.30.0.3.11.10.30.31.00.44.12.33.41.11.71.00.0.0.0.0.0.3.61.41.60.70.60.61.30.2
crowded26.41.841.83.338.43.330.62.630.52.022.14.322.12.629.83.421.13.819.14.915.55.115.82.89.61.722.03.326.10.8
normal26.81.839.63.331.13.237.52.735.82.123.34.524.52.728.83.413.83.214.34.415.05.38.22.112.21.816.93.026.40.8
loose10.61.312.72.38.61.911.01.815.81.67.82.96.01.57.62.011.12.94.62.610.34.56.91.912.81.92.51.210.40.5
open17.51.64.51.512.42.212.71.912.21.47.02.715.02.212.92.510.32.813.04.311.04.716.72.917.92.212.92.613.60.6
scattered6.81.01.40.82.71.14.31.22.30.714.24.06.31.58.02.015.73.411.64.113.34.729.93.515.62.025.73.49.00.5
grouped crowded2.20.60.0.0.90.60.70.50.40.314.34.05.91.43.31.311.43.014.84.616.75.46.21.813.31.99.12.24.60.4
grouped normal2.10.60.0.1.30.80.30.31.10.55.72.56.31.56.71.98.72.711.44.116.25.44.61.612.61.96.72.04.30.4
heterogeneous7.11.00.0.1.40.82.50.90.90.41.51.510.51.91.20.87.82.511.34.02.02.08.22.14.31.13.61.54.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.........8.15.50.0.0.0.7.73.70.0.3.13.12.61.53.21.81.41.42.90.8
crowded30.09.6........24.38.737.29.249.613.525.76.115.87.232.48.518.73.512.13.316.34.521.41.9
normal26.59.3........8.15.611.76.316.010.328.86.328.98.622.37.113.03.020.64.110.23.717.81.7
loose26.69.3........12.36.89.75.334.412.74.12.914.56.74.03.917.13.416.73.89.03.513.71.6
open8.75.9........13.07.112.96.10.0.15.65.110.86.07.84.422.13.814.83.719.84.715.81.6
scattered0.0.........9.96.83.23.20.0.1.91.911.56.212.65.97.52.47.32.714.54.27.71.2
grouped crowded0.0.........13.17.10.0.0.0.8.23.93.53.512.45.92.51.410.73.25.72.76.11.1
grouped normal4.14.0........6.25.910.05.50.0.6.03.47.85.35.43.73.31.610.33.111.53.87.01.2
heterogeneous4.14.0........4.94.815.27.00.0.1.91.97.25.00.0.13.13.04.22.111.53.87.61.2
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.6.83.80.0.4.82.31.70.93.01.32.41.40.0.2.81.92.20.93.41.11.10.52.10.3
crowded37.24.131.310.632.99.630.36.643.39.423.84.026.73.135.03.636.74.438.97.728.15.319.62.39.01.634.52.127.61.0
normal32.03.943.911.137.510.025.66.235.79.120.23.820.12.826.03.421.93.726.77.025.35.215.52.112.81.921.91.821.30.9
loose10.52.65.15.08.25.68.13.97.14.97.72.512.32.39.52.34.61.95.23.55.82.96.31.49.91.76.41.18.00.6
open12.52.814.67.816.97.714.35.010.25.612.83.420.12.87.42.18.52.610.24.912.23.922.42.520.72.310.41.314.70.8
scattered1.51.05.15.04.64.54.22.90.0.10.03.15.31.55.01.73.41.74.73.213.74.116.12.216.82.17.81.19.10.6
grouped crowded0.0.0.0.0.0.2.42.40.0.12.03.31.40.86.01.810.72.87.03.96.82.93.91.28.21.69.31.36.30.5
grouped normal1.51.00.0.0.0.0.0.0.0.5.22.30.40.46.21.83.51.74.73.25.32.63.81.112.41.96.31.05.30.5
heterogeneous4.91.80.0.0.0.8.34.03.73.63.41.711.92.21.91.18.22.52.62.60.0.10.21.86.81.42.30.75.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.20.0.2.81.01.20.61.00.44.91.62.50.72.20.82.40.90.0.2.01.12.70.72.60.61.00.41.80.2
crowded28.51.640.83.237.83.130.52.431.22.023.22.724.92.032.92.528.52.624.73.825.03.518.21.69.71.130.21.626.20.6
normal27.71.640.03.231.83.035.92.535.72.020.22.621.91.927.02.319.92.321.23.521.33.312.81.413.61.319.81.423.90.5
loose11.11.112.02.28.51.810.61.715.41.58.21.88.91.39.51.57.21.56.82.26.92.18.71.212.11.25.80.89.80.4
open16.41.35.41.512.92.112.91.812.11.410.52.117.11.79.91.610.51.811.62.810.92.520.61.718.71.511.81.214.20.5
scattered5.60.81.80.92.91.14.31.12.20.611.72.35.71.06.31.38.11.69.42.613.32.718.51.615.01.312.21.18.90.4
grouped crowded1.70.50.0.0.80.60.90.50.40.313.02.43.70.84.41.110.61.810.02.611.22.64.30.910.81.28.91.05.40.3
grouped normal2.00.50.0.1.20.70.30.31.10.45.51.64.00.86.21.26.01.48.52.48.82.24.00.812.21.26.90.94.90.3
heterogeneous6.60.90.0.1.30.73.30.91.10.42.81.111.41.41.50.67.01.57.72.30.60.610.21.35.30.83.40.75.00.3
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862146/328477
NFI4
forest area
avalanches 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
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.50.30.0.3.11.10.30.31.00.43.92.23.21.01.60.90.0.0.0.0.0.3.11.21.50.70.50.51.30.2
crowded26.51.841.93.338.23.230.72.630.72.023.44.322.72.629.13.320.33.618.24.716.34.815.02.59.41.620.32.925.70.7
normal26.51.839.33.331.03.237.32.735.32.122.34.423.12.627.73.212.73.013.64.212.44.57.01.811.21.715.62.625.30.7
loose10.71.312.52.38.51.911.01.815.81.67.52.86.01.57.71.910.32.74.42.58.63.85.91.712.01.72.61.210.10.5
open17.31.54.91.512.42.212.61.912.21.46.72.614.12.112.72.49.52.612.44.110.84.216.22.616.92.013.12.413.40.6
scattered7.41.11.40.82.71.14.61.22.70.714.73.97.41.58.12.016.83.311.03.916.54.832.63.316.32.026.13.210.00.5
grouped crowded2.10.60.0.0.90.60.70.50.40.314.73.96.61.53.71.413.73.117.24.720.35.38.31.914.41.99.82.15.40.4
grouped normal2.00.60.0.1.80.90.30.31.10.55.42.46.31.47.91.98.82.612.44.113.54.53.91.413.51.88.82.14.70.4
heterogeneous7.01.00.0.1.40.82.50.90.90.41.41.410.71.91.60.98.02.410.83.81.61.68.01.94.81.13.11.34.30.3
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.........8.15.50.0.0.0.7.73.70.0.3.02.92.61.53.11.81.41.42.90.8
crowded30.09.6........24.38.736.09.049.613.525.76.114.76.831.18.218.53.511.93.216.34.521.01.8
normal26.59.3........8.15.611.36.116.010.328.86.327.08.121.46.912.93.021.24.110.23.717.71.7
loose26.69.3........12.36.89.45.234.412.74.12.913.56.37.75.216.93.416.33.79.03.513.81.6
open8.75.9........13.07.112.55.90.0.15.65.116.76.97.54.221.93.714.53.619.84.716.01.6
scattered0.0.........9.96.86.54.50.0.1.91.910.75.812.15.78.32.57.22.614.54.28.01.2
grouped crowded0.0.........13.17.10.0.0.0.8.23.93.33.312.05.72.51.410.53.15.72.76.01.1
grouped normal4.14.0........6.25.99.75.40.0.6.03.47.35.05.23.53.31.610.13.011.53.86.91.1
heterogeneous4.14.0........4.94.814.76.80.0.1.91.96.84.60.0.13.03.05.22.311.53.87.71.2
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.6.73.70.0.4.82.31.70.83.01.32.41.40.0.2.71.92.10.93.31.01.10.42.10.3
crowded37.64.131.310.632.99.631.76.643.39.423.84.026.33.134.83.636.94.340.77.528.15.219.22.39.31.633.82.027.40.9
normal31.83.943.911.137.510.025.16.135.79.120.23.820.42.825.83.422.43.725.06.625.65.115.22.112.31.921.51.821.10.9
loose10.42.65.15.08.25.67.93.87.14.97.72.512.52.39.52.34.61.84.83.35.62.86.11.410.51.76.61.18.10.6
open12.42.714.67.816.97.714.04.910.25.612.83.419.82.77.32.18.32.511.75.013.13.922.02.420.52.310.51.314.60.8
scattered1.51.05.15.04.64.54.12.90.0.10.03.15.21.55.01.73.31.64.43.013.23.916.12.216.52.18.21.19.10.6
grouped crowded0.0.0.0.0.0.2.42.30.0.12.03.31.90.96.61.910.62.86.63.66.62.83.91.18.81.69.61.36.60.5
grouped normal1.51.00.0.0.0.0.0.0.0.5.22.30.40.46.11.83.41.74.33.05.12.53.81.112.21.86.41.05.30.5
heterogeneous4.81.80.0.0.0.8.13.93.73.63.41.711.72.21.91.18.12.42.42.40.0.11.81.96.61.42.40.75.70.5
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/a0.40.20.0.2.81.01.20.60.90.44.81.62.40.62.20.82.30.80.0.1.81.02.50.62.40.61.00.31.70.2
crowded28.61.641.03.137.73.130.82.431.31.923.72.724.91.932.42.428.02.524.73.624.63.317.61.59.71.129.11.625.90.5
normal27.51.639.73.131.73.035.62.535.32.019.82.621.31.826.42.319.42.220.03.320.13.112.01.312.91.219.11.423.20.5
loose11.21.111.82.28.51.810.51.615.41.58.11.88.91.39.41.56.91.56.42.17.12.18.21.111.91.25.80.89.70.4
open16.11.35.71.612.82.112.81.812.11.410.32.116.41.69.81.610.01.713.12.911.12.520.11.618.11.411.91.114.00.4
scattered6.10.91.70.92.91.14.51.12.50.712.02.36.41.06.41.38.71.68.82.414.12.720.11.615.21.313.01.19.50.4
grouped crowded1.70.50.0.0.80.60.90.50.40.313.22.44.30.94.91.111.51.910.92.612.52.55.10.911.61.29.31.05.90.3
grouped normal2.00.50.0.1.60.80.30.31.00.45.41.64.00.86.81.36.11.48.82.48.12.13.70.812.61.27.40.95.10.3
heterogeneous6.50.90.0.1.30.73.30.91.10.42.71.111.31.41.70.77.01.57.32.20.60.610.81.35.60.83.40.65.10.3
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, 10.07.2020 #862147/328478
NFI3
forest area
avalanches 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
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a1.10.42.51.04.31.32.81.03.10.85.32.95.11.44.41.63.52.04.02.85.03.51.71.22.00.90.90.92.80.3
crowded19.41.642.63.529.43.027.92.527.62.018.54.218.42.621.13.216.13.910.14.220.05.99.32.612.62.120.34.022.80.8
normal31.11.936.43.331.03.338.72.838.62.124.74.920.62.619.93.120.74.419.65.49.15.015.13.217.92.420.94.128.90.8
loose16.61.612.52.413.82.512.91.914.51.614.44.112.92.215.12.811.63.518.75.75.64.011.32.89.91.915.93.713.80.6
open17.41.63.51.310.12.111.31.811.41.413.03.916.62.419.53.114.03.826.66.326.97.413.03.018.22.420.54.014.30.6
scattered8.11.12.51.16.51.73.61.13.40.810.33.811.82.19.42.37.22.86.33.515.45.917.73.514.72.28.92.87.80.5
grouped crowded2.10.60.0.2.81.10.80.50.70.46.93.06.81.63.71.59.43.210.54.513.35.611.72.96.91.64.92.13.70.3
grouped normal1.80.60.0.1.60.90.0.0.0.4.62.64.01.26.11.911.73.54.22.94.73.216.03.47.11.64.92.13.20.3
heterogeneous2.50.60.0.0.50.52.00.80.70.42.11.53.81.20.70.75.82.50.0.0.0.4.21.910.71.92.91.62.60.3
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.........22.09.60.0.0.0.6.13.44.03.92.82.73.51.73.62.11.61.63.90.9
crowded38.910.2........21.68.631.19.013.79.118.45.621.48.347.99.015.03.311.53.414.74.519.91.9
normal35.110.0........20.88.420.57.535.912.926.46.319.88.011.05.217.43.417.44.111.54.119.11.8
loose8.75.9........5.25.04.24.16.96.73.92.719.88.02.52.511.83.015.43.99.93.910.01.4
open8.65.9........12.36.810.75.943.413.49.84.219.27.816.06.618.63.622.04.519.95.217.71.8
scattered8.65.9........0.0.3.23.20.0.8.44.07.85.411.46.17.02.48.02.93.32.36.51.2
grouped crowded0.0.........3.93.810.25.60.0.7.93.80.0.2.82.711.83.03.72.19.83.86.91.2
grouped normal0.0.........0.0.10.05.50.0.6.43.64.03.90.0.7.82.59.43.214.44.47.21.2
heterogeneous0.0.........14.27.610.05.50.0.12.84.94.03.95.73.96.92.49.03.115.04.68.81.3
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.4.44.30.0.0.0.9.53.23.21.23.21.44.21.82.92.84.52.51.30.74.21.20.90.42.60.4
crowded37.04.129.610.219.88.038.57.026.58.115.43.421.52.926.23.416.43.532.08.135.36.013.22.010.71.927.82.122.40.9
normal29.53.936.010.944.410.116.35.337.59.228.04.530.43.326.93.530.94.223.27.215.54.320.42.513.32.124.12.024.11.0
loose12.12.814.67.99.16.118.25.525.08.211.03.016.12.611.52.59.12.720.57.112.84.311.72.012.22.014.51.713.20.8
open14.43.014.67.98.65.816.45.311.06.09.83.014.32.417.03.010.32.818.56.812.34.116.62.321.32.510.51.414.40.8
scattered3.51.55.15.09.16.14.53.10.0.5.92.53.61.26.72.08.82.62.92.811.34.010.21.914.02.16.61.17.60.6
grouped crowded1.41.00.0.0.0.2.12.10.0.8.02.61.30.82.51.211.33.00.0.4.32.411.42.09.91.88.21.36.60.6
grouped normal0.70.70.0.0.0.0.0.0.0.3.21.62.71.12.81.45.42.10.0.1.41.410.91.97.51.63.60.84.50.5
heterogeneous1.51.10.0.4.64.54.02.80.0.9.13.06.91.83.21.43.71.80.0.2.71.94.41.36.91.54.00.94.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.90.42.20.94.31.32.40.83.00.79.22.14.00.83.71.04.31.33.71.74.21.71.90.63.20.70.90.42.80.2
crowded23.31.541.43.328.42.829.42.427.51.917.32.320.51.923.32.316.72.319.73.834.04.112.71.411.61.325.31.822.40.6
normal30.91.736.33.232.43.135.72.538.52.126.03.124.92.023.92.326.52.720.83.812.62.818.41.715.81.522.41.726.30.6
loose15.51.312.72.313.32.313.61.815.11.511.72.213.81.613.11.88.91.819.53.98.32.511.61.411.71.314.31.413.30.5
open16.61.44.61.49.92.012.01.711.41.411.32.315.31.619.32.111.52.022.34.017.33.316.21.620.11.613.01.314.60.5
scattered7.20.92.71.16.81.73.71.03.20.87.01.97.71.27.71.58.11.75.62.212.52.911.31.413.51.46.61.07.60.4
grouped crowded1.90.50.0.2.51.00.90.50.60.47.21.84.60.93.00.910.01.94.72.16.52.111.61.47.81.17.81.15.00.3
grouped normal1.50.50.0.1.40.80.0.0.0.3.41.33.80.84.31.17.81.72.81.62.01.111.41.47.61.14.80.84.00.3
heterogeneous2.20.50.0.1.00.72.20.80.70.36.91.85.51.11.80.76.21.50.90.92.61.35.01.08.81.14.90.93.90.3
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862148/328479
NFI3
forest area
avalanches 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
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a1.00.42.41.04.01.22.70.93.10.74.62.55.11.34.01.52.51.43.02.13.92.71.20.81.50.70.60.62.50.3
crowded18.91.642.93.428.62.928.02.527.81.919.44.017.82.420.33.015.33.212.54.121.15.49.92.211.91.818.03.021.90.7
normal30.11.836.63.330.13.238.82.738.02.122.54.419.52.518.62.918.83.517.74.67.03.914.02.615.12.014.22.726.70.8
loose15.81.512.32.313.92.412.91.914.61.512.43.512.32.114.82.710.72.813.94.48.44.19.62.28.31.511.92.512.90.6
open17.21.53.51.311.32.211.11.811.31.412.23.516.92.319.33.010.72.821.45.126.16.312.52.516.92.115.82.814.00.6
scattered9.21.22.41.17.01.73.91.13.90.810.43.511.42.09.62.214.03.112.64.215.55.121.53.118.92.221.03.110.10.5
grouped crowded2.70.70.0.2.71.10.70.50.60.410.13.28.21.76.21.811.52.912.64.212.34.814.02.610.41.78.72.25.20.4
grouped normal2.80.70.0.1.50.90.0.0.0.6.62.94.51.36.71.911.52.94.72.73.62.514.52.77.11.47.01.93.90.3
heterogeneous2.30.60.0.0.90.71.90.80.70.41.81.34.31.30.60.64.92.01.51.52.12.02.91.39.81.62.91.32.70.3
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.........21.09.20.0.0.0.5.73.23.73.62.72.73.41.73.21.81.41.43.70.9
crowded38.910.2........25.08.931.19.013.79.117.35.223.58.246.78.916.23.313.03.414.04.120.11.8
normal35.110.0........19.98.120.57.535.912.924.86.018.37.510.75.116.83.315.23.69.93.617.81.7
loose8.75.9........4.94.84.24.16.96.73.62.622.28.12.52.511.42.913.53.511.33.810.01.4
open8.65.9........11.86.510.75.943.413.411.24.417.77.215.66.518.03.521.34.217.14.517.21.7
scattered8.65.9........0.0.3.23.20.0.7.93.87.25.011.16.06.82.37.02.68.43.36.91.2
grouped crowded0.0.........3.73.610.25.60.0.9.34.00.0.2.72.711.42.97.52.79.83.57.71.2
grouped normal0.0.........0.0.10.05.50.0.8.13.93.73.60.0.9.22.79.33.013.84.07.81.2
heterogeneous0.0.........13.67.310.05.50.0.12.04.63.73.68.04.56.72.310.03.014.24.29.01.3
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.4.24.10.0.0.0.10.23.13.01.13.01.33.91.72.42.34.02.31.20.73.71.10.70.42.40.3
crowded35.94.029.610.222.88.238.57.026.58.114.43.221.62.925.03.315.93.328.77.131.65.513.32.010.81.825.81.921.50.9
normal29.43.836.010.942.89.916.35.337.59.227.24.330.93.228.53.431.24.021.86.416.54.219.22.313.01.922.91.823.60.9
loose12.42.814.67.98.85.918.25.525.08.210.32.915.52.511.32.48.42.524.66.914.14.211.51.912.61.913.71.513.10.7
open14.73.014.67.98.25.616.45.311.06.010.02.914.22.416.42.89.62.615.35.713.54.115.62.220.02.39.71.313.80.7
scattered4.11.65.15.08.85.94.53.10.0.5.52.43.91.36.21.98.92.54.73.212.84.012.72.015.02.010.41.39.20.6
grouped crowded1.30.90.0.0.0.2.12.10.0.10.73.01.70.84.11.512.93.02.42.33.82.211.61.910.71.88.31.27.30.6
grouped normal0.70.70.0.0.0.0.0.0.0.3.01.52.61.12.61.35.82.10.0.1.21.210.01.87.61.54.00.84.50.4
heterogeneous1.51.00.0.4.44.34.02.80.0.8.62.86.61.73.01.33.41.70.0.2.41.74.81.26.71.44.50.94.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.32.20.94.01.22.30.82.90.79.02.03.90.83.40.93.61.12.91.43.71.51.60.52.70.60.80.32.60.2
crowded22.61.541.73.328.02.729.42.427.71.917.52.320.21.822.32.115.92.119.83.531.43.712.91.411.61.223.01.521.60.5
normal30.11.636.53.131.43.035.82.538.02.024.52.924.51.923.82.225.02.419.13.312.22.617.11.514.21.319.81.424.90.5
loose15.01.312.52.213.42.213.61.815.11.510.62.013.21.512.91.88.51.618.93.49.82.410.91.310.81.113.11.212.70.4
open16.51.34.51.411.02.011.81.711.31.311.12.115.41.618.82.010.31.818.83.418.03.115.21.518.81.411.71.214.20.5
scattered8.21.02.61.17.21.74.01.03.70.87.01.87.71.27.61.410.81.89.12.513.32.714.21.415.71.312.51.19.50.4
grouped crowded2.40.50.0.2.41.00.90.50.60.39.82.05.51.05.01.111.71.96.92.26.31.912.31.410.11.18.51.06.20.3
grouped normal2.30.50.0.1.40.80.0.0.0.4.21.44.00.84.51.18.51.63.01.51.71.011.21.37.61.05.50.84.40.3
heterogeneous2.10.50.0.1.30.72.20.80.70.36.31.75.61.01.70.75.51.31.51.03.51.44.60.98.51.05.00.83.90.3
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862149/328480
NFI3
forest area
avalanches 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a1.50.43.30.54.91.02.60.70.90.92.90.3
crowded25.01.528.41.419.31.813.01.420.34.022.80.8
normal32.51.637.01.520.91.917.11.620.94.128.80.8
loose15.51.313.81.113.91.610.81.315.93.713.80.6
open13.91.211.11.017.11.717.71.620.54.014.40.6
scattered6.70.94.10.610.61.413.41.58.92.87.80.5
grouped crowded1.60.51.10.35.91.19.11.24.92.13.70.3
grouped normal1.30.40.30.24.91.09.41.24.92.13.20.3
heterogeneous1.90.51.00.32.50.76.81.12.91.62.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.6.53.14.01.11.61.63.80.9
crowded39.010.20.0.24.05.418.32.214.74.519.71.9
normal34.910.00.0.24.35.318.62.211.54.119.31.8
loose8.75.90.0.5.02.811.21.89.93.910.01.4
open8.75.90.0.18.64.918.02.219.95.217.81.8
scattered8.75.90.0.1.41.47.81.53.32.36.41.1
grouped crowded0.0.0.0.6.23.07.21.59.83.87.01.2
grouped normal0.0.0.0.4.82.76.91.414.44.47.21.2
heterogeneous0.0.0.0.9.33.68.11.615.04.68.71.3
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.90.94.20.93.10.60.90.42.50.4
crowded36.13.831.44.622.31.915.71.327.82.122.60.9
normal30.23.629.14.528.42.119.41.424.12.024.11.0
loose12.42.617.73.813.51.611.81.214.51.713.20.8
open14.42.812.93.314.51.616.81.410.51.414.30.8
scattered3.71.54.02.05.01.011.01.16.61.17.50.6
grouped crowded1.20.81.01.03.30.89.81.18.21.36.70.6
grouped normal0.60.60.0.2.90.87.51.03.60.84.50.5
heterogeneous1.30.93.01.76.01.14.90.84.00.94.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.20.43.10.54.70.63.10.40.90.42.80.2
crowded27.21.428.71.321.01.315.30.925.31.822.50.6
normal32.21.536.31.424.61.318.50.922.41.726.30.6
loose14.91.114.11.013.21.111.40.814.31.413.20.5
open13.91.111.20.916.01.217.30.913.01.314.70.5
scattered6.20.84.10.67.50.811.20.86.61.07.60.4
grouped crowded1.50.41.10.34.70.79.10.77.81.15.10.3
grouped normal1.20.40.30.14.00.68.00.74.80.84.00.3
heterogeneous1.70.41.20.34.50.76.20.64.90.93.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862150/328481
NFI4
forest area
avalanches 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
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.50.30.0.3.31.20.0.1.00.54.62.63.61.21.81.10.0.0.0.0.0.4.21.82.00.90.90.91.40.2
crowded26.61.841.53.439.23.430.72.630.62.023.84.722.82.731.23.721.54.422.15.814.25.416.23.39.41.829.34.527.30.8
normal27.51.839.43.330.73.237.72.736.02.126.25.025.82.931.03.615.13.916.25.213.75.88.12.514.12.222.14.228.20.8
loose11.11.312.92.48.51.911.11.815.91.68.83.36.41.66.41.913.93.85.93.410.25.08.02.412.92.13.91.910.90.6
open17.81.64.61.512.12.312.71.912.21.57.93.014.82.312.82.610.53.316.65.49.15.018.13.521.22.614.73.514.00.6
scattered5.81.01.50.82.41.14.31.22.10.616.04.44.71.38.12.115.33.98.44.016.75.821.23.715.62.314.63.57.00.5
grouped crowded1.40.50.0.0.90.70.70.50.40.34.62.65.51.41.81.18.43.08.13.918.16.37.02.39.11.85.72.33.10.3
grouped normal1.80.60.0.1.40.80.30.31.10.56.42.85.91.55.51.87.22.910.34.415.66.05.72.111.02.04.82.13.60.3
heterogeneous7.41.10.0.1.50.92.50.90.60.31.71.710.42.01.30.98.23.012.44.62.52.511.52.94.61.33.91.94.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.........8.55.80.0.0.0.8.13.80.0.3.23.12.71.53.62.01.61.63.10.8
crowded30.09.6........25.49.137.29.249.613.526.86.417.17.733.28.618.43.510.13.216.84.821.61.9
normal26.59.3........8.55.811.76.316.010.327.86.431.29.122.97.312.73.023.04.511.54.118.41.8
loose26.69.3........12.97.19.75.334.412.74.33.011.56.24.14.016.83.418.64.28.63.713.91.6
open8.75.9........13.77.412.96.10.0.16.35.311.76.45.53.822.93.914.13.822.45.316.21.7
scattered0.0.........10.47.13.23.20.0.2.02.08.45.712.96.17.82.55.82.511.44.16.91.2
grouped crowded0.0.........9.06.20.0.0.0.6.33.63.83.812.86.01.81.29.63.23.22.24.91.0
grouped normal4.14.0........6.56.210.05.50.0.6.33.58.45.75.53.83.41.710.33.311.44.17.01.2
heterogeneous4.14.0........5.25.015.27.00.0.2.02.07.85.40.0.13.63.14.72.313.04.38.11.3
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.6.83.80.0.5.12.41.80.93.11.42.61.50.0.3.02.12.30.93.11.11.10.52.20.3
crowded37.84.131.310.632.99.630.36.643.39.423.94.126.33.135.33.736.94.543.88.729.15.619.62.49.71.837.42.328.71.0
normal31.73.943.911.137.510.025.66.235.79.121.14.020.62.925.93.521.23.829.17.827.55.616.02.212.62.022.52.021.80.9
loose9.92.55.15.08.25.68.13.97.14.98.02.612.62.410.02.44.92.06.34.26.33.16.81.59.71.86.51.18.20.6
open12.72.814.67.816.97.714.35.010.25.612.33.420.12.87.72.28.92.79.15.010.43.823.52.621.82.510.51.415.00.8
scattered1.51.05.15.04.64.54.22.90.0.10.53.25.01.45.31.83.61.82.92.814.94.414.22.217.42.34.91.08.10.6
grouped crowded0.0.0.0.0.0.2.42.40.0.11.63.31.50.84.41.610.52.90.0.7.43.23.11.17.71.69.21.35.70.5
grouped normal1.51.00.0.0.0.0.0.0.0.4.12.10.40.46.41.93.61.85.63.91.41.43.81.211.21.95.81.14.70.5
heterogeneous4.91.80.0.0.0.8.34.03.73.63.51.711.72.32.01.17.82.53.13.10.0.10.71.97.01.52.20.75.70.5
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/a0.40.20.0.2.91.00.90.51.00.45.31.72.60.72.40.82.81.00.0.2.21.32.90.82.70.71.10.41.80.2
crowded28.81.740.63.238.63.230.62.431.32.024.02.825.22.033.92.629.62.827.94.325.83.818.51.79.61.234.11.927.30.6
normal28.31.639.83.231.43.136.02.536.02.121.72.822.72.028.02.420.42.523.84.022.43.613.31.514.71.421.41.625.00.6
loose11.41.212.22.28.51.810.61.715.51.68.82.09.31.39.21.67.91.77.32.56.92.39.41.312.31.36.31.010.20.4
open16.61.45.51.612.62.212.91.812.11.410.72.217.01.79.91.610.92.013.13.28.82.522.01.920.51.612.31.314.50.5
scattered4.80.81.80.92.61.14.31.12.00.612.62.44.70.96.41.37.31.66.62.414.93.014.51.615.01.47.11.07.40.4
grouped crowded1.10.40.0.0.80.60.90.50.40.38.62.13.40.83.00.98.91.84.52.011.72.73.80.98.51.18.01.14.20.3
grouped normal1.80.50.0.1.20.70.30.31.10.45.21.63.80.85.71.25.41.58.42.66.42.14.20.911.01.36.21.04.30.3
heterogeneous6.90.90.0.1.30.83.30.90.70.43.01.211.31.51.60.76.81.68.42.60.70.711.51.45.70.93.50.75.20.3
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, 10.07.2020 #862151/328482
NFI3
forest area
avalanches 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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a1.40.43.20.54.60.91.90.50.60.62.60.3
crowded24.61.528.31.418.91.712.91.218.03.021.90.7
normal31.91.636.51.519.61.715.01.314.22.726.70.7
loose14.91.213.81.113.21.59.41.111.92.512.90.6
open13.91.211.21.017.11.615.91.315.82.814.10.6
scattered7.50.94.50.610.41.317.91.421.03.110.10.5
grouped crowded2.00.51.10.38.01.211.71.28.72.25.20.4
grouped normal2.10.50.30.25.51.09.11.17.01.93.90.3
heterogeneous1.80.51.10.32.70.76.10.92.91.32.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.6.43.13.71.11.41.43.60.8
crowded39.010.20.0.25.25.418.92.114.04.120.01.8
normal34.910.00.0.23.95.317.32.19.93.618.01.7
loose8.75.90.0.4.92.810.71.711.33.89.91.4
open8.75.90.0.18.34.817.72.117.14.517.21.7
scattered8.75.90.0.1.41.47.31.48.43.36.71.1
grouped crowded0.0.0.0.6.13.08.21.59.83.57.81.2
grouped normal0.0.0.0.4.72.77.61.513.84.07.81.2
heterogeneous0.0.0.0.9.13.68.51.514.24.29.01.3
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.90.94.20.92.80.60.70.42.30.3
crowded35.23.732.14.621.71.915.21.225.81.921.70.9
normal30.13.628.84.529.12.018.81.322.91.823.60.9
loose12.72.617.63.812.91.512.21.113.71.513.00.7
open14.72.812.83.314.31.616.01.39.71.313.80.7
scattered4.21.64.01.94.91.012.51.110.41.39.20.6
grouped crowded1.20.81.01.04.50.910.41.18.31.27.30.6
grouped normal0.60.60.0.2.80.77.20.94.00.84.50.4
heterogeneous1.30.93.01.75.71.04.90.74.50.94.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.20.33.00.54.50.62.60.40.80.32.60.2
crowded26.61.428.71.320.51.215.00.823.01.521.70.5
normal31.61.435.81.424.11.317.10.819.81.424.80.5
loose14.41.114.11.012.61.010.90.713.11.212.70.4
open13.91.111.30.915.91.116.20.811.71.214.20.5
scattered7.00.84.50.67.40.813.70.812.51.19.50.4
grouped crowded1.80.41.10.36.30.710.50.78.51.06.20.3
grouped normal1.80.40.20.14.20.68.00.65.50.84.40.3
heterogeneous1.60.41.30.34.40.66.00.55.00.83.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862152/328483
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.90.42.20.94.81.32.60.93.00.75.22.55.41.33.61.32.31.32.71.94.72.71.50.91.40.60.50.52.50.3
crowded19.11.542.53.328.72.828.42.428.41.919.33.817.32.319.22.815.13.112.53.923.45.111.32.211.21.618.62.922.00.7
normal30.01.735.43.128.93.037.62.638.02.022.94.320.02.418.62.718.93.416.34.310.84.214.32.414.21.813.62.526.40.7
loose15.91.412.62.213.92.312.51.814.31.512.83.312.82.013.72.411.62.814.04.26.93.49.72.19.11.511.92.413.00.6
open16.91.44.61.410.72.012.01.710.71.311.83.216.92.220.72.911.12.719.64.720.85.212.12.317.22.015.02.613.90.6
scattered9.11.12.71.16.81.64.21.14.20.88.93.111.21.910.32.213.83.012.53.915.84.620.12.818.72.020.53.010.00.5
grouped crowded2.70.60.0.3.11.10.60.40.80.410.63.28.31.66.51.712.22.912.63.912.94.314.82.59.71.59.72.25.30.4
grouped normal2.70.60.0.1.80.90.0.0.0.5.82.54.11.26.51.810.62.75.72.83.02.113.72.48.11.47.01.93.90.3
heterogeneous2.50.60.0.1.20.72.00.80.70.32.81.64.01.21.00.74.41.84.22.41.71.72.51.110.31.63.21.32.90.3
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...17.57.90.0.0.0.4.52.56.24.22.62.63.01.53.71.81.21.23.50.8
crowded40.09.8....0.0...27.38.832.68.312.08.014.64.527.38.048.58.517.53.313.53.215.94.120.91.7
normal36.09.6....100.0...17.87.320.47.032.011.825.85.616.16.69.74.617.43.216.33.59.93.318.11.6
loose8.05.4....0.0...4.24.13.63.512.08.03.12.219.07.12.42.311.62.714.53.411.23.510.01.3
open8.05.4....0.0...10.65.811.75.543.912.514.14.415.76.416.56.316.03.120.73.916.24.116.61.6
scattered8.05.4....0.0...0.0.2.72.70.0.8.13.56.24.210.25.56.02.06.12.27.52.96.21.0
grouped crowded0.0.....0.0...3.33.38.74.80.0.7.93.40.0.2.62.610.92.76.52.411.13.57.31.1
grouped normal0.0.....0.0...7.65.28.54.70.0.11.94.26.44.40.0.10.42.69.92.812.13.68.81.2
heterogeneous0.0.....0.0...11.86.411.95.70.0.10.23.93.23.17.54.27.32.28.92.714.94.08.81.2
total100.0.....100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.4.14.00.0.0.0.10.22.84.31.23.11.24.51.72.22.23.72.11.40.73.31.00.70.32.60.3
crowded36.73.930.29.620.97.637.06.433.78.315.23.120.32.624.53.015.93.131.57.132.05.314.32.010.41.727.21.822.00.8
normal29.83.735.410.042.69.517.45.031.88.324.63.830.63.029.73.230.73.820.05.915.74.019.22.212.51.823.11.723.40.9
loose12.22.617.07.88.25.617.04.925.17.711.42.815.22.311.02.210.02.523.16.513.24.011.61.813.01.813.61.413.20.7
open14.32.812.87.011.86.419.35.39.45.212.63.015.02.315.92.69.02.416.75.714.94.015.92.120.12.29.01.213.90.7
scattered3.81.54.54.48.25.63.92.70.0.6.12.23.81.26.41.87.42.14.43.013.33.912.01.915.42.010.11.29.00.6
grouped crowded1.20.90.0.0.0.1.91.90.0.10.02.61.90.83.51.311.02.62.22.23.62.011.11.810.51.77.81.16.90.5
grouped normal0.60.60.0.0.0.0.0.0.0.2.71.32.71.03.31.37.02.10.0.1.21.210.21.78.11.53.80.84.60.4
heterogeneous1.30.90.0.4.14.03.42.40.0.7.32.46.21.62.51.14.41.80.0.2.31.64.51.26.61.34.70.94.50.4
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/a0.70.32.00.84.71.22.30.72.80.79.01.84.60.83.20.93.61.03.31.43.81.41.80.52.50.50.70.32.60.2
crowded22.91.441.43.127.92.629.52.228.71.818.02.319.51.721.42.015.42.021.43.432.33.514.01.311.21.124.31.421.90.5
normal30.21.535.43.030.32.935.12.337.71.923.22.624.71.824.42.125.22.317.43.112.82.517.21.513.81.219.81.324.60.5
loose15.01.213.02.113.32.113.11.714.91.411.22.013.31.512.41.69.31.617.83.28.82.211.01.211.51.113.01.212.80.4
open16.21.25.41.510.81.913.01.710.61.212.12.115.81.519.31.910.81.717.93.217.32.914.71.418.91.411.01.114.10.4
scattered8.10.92.81.16.91.64.11.04.00.86.61.67.51.18.11.310.01.68.72.213.52.613.31.315.61.312.11.19.30.4
grouped crowded2.40.50.0.2.81.00.80.50.70.49.51.85.50.94.81.010.91.76.82.16.71.912.21.39.61.08.50.96.00.3
grouped normal2.30.50.0.1.60.80.0.0.0.4.41.33.80.84.71.19.31.64.11.61.60.911.31.28.41.05.20.74.60.3
heterogeneous2.20.50.0.1.50.82.20.70.60.36.01.55.41.01.70.65.51.32.71.33.11.34.40.88.61.05.30.84.00.2
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, 10.07.2020 #862153/328484
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