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NFI3
proportion of forest plots
protection forest against avalanches (2022) · area of largest gap (5 classes)
regional demarcation: economic region
unit: %, subtotal
evaluation area: accessible forest without shrub forest NFI1-NFI5
grid: 1.4 km grid, subgrids 1-5
state 2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest against avalanches (2022)area of largest gap (5 classes)%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±
n/an/a..............................
no gap (<100 m2)..............................
small gap 100-500 m2)..............................
medium gap (500-1000 m2)..............................
large gap (1000-5000 m2)..............................
very large gap (>5000 m2)..............................
total..............................
insiden/a0.0.........0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
no gap (<100 m2)59.614.1........52.820.421.38.651.117.836.08.838.013.551.812.221.85.018.45.918.46.328.42.8
small gap 100-500 m2)7.87.5........31.418.718.48.335.716.917.17.038.313.512.38.126.25.320.86.220.86.622.02.6
medium gap (500-1000 m2)8.07.7........0.0.31.610.00.0.20.17.48.07.75.35.131.95.633.87.134.67.825.52.7
large gap (1000-5000 m2)24.712.5........0.0.28.69.913.212.320.17.415.710.224.310.520.14.824.86.523.86.921.82.6
very large gap (>5000 m2)0.0.........15.714.60.0.0.0.6.64.50.0.6.36.10.0.2.22.22.42.42.20.9
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outsiden/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
no gap (<100 m2)56.62.567.24.359.54.659.53.361.22.834.54.737.63.149.83.729.84.140.76.934.15.927.93.215.52.149.02.945.50.9
small gap 100-500 m2)18.21.912.53.017.33.514.12.415.32.116.73.724.12.718.72.922.03.711.94.69.93.825.43.123.02.519.52.318.90.7
medium gap (500-1000 m2)11.91.66.62.36.92.49.22.012.71.921.24.120.02.615.42.716.23.315.65.116.24.725.63.123.22.513.42.015.40.7
large gap (1000-5000 m2)12.81.712.73.111.53.016.22.58.21.623.34.217.92.512.32.529.74.129.76.433.46.020.12.836.92.817.42.218.50.7
very large gap (>5000 m2)0.50.40.90.94.82.11.00.72.50.94.22.10.40.43.81.52.31.32.12.16.33.11.00.71.40.70.70.51.70.3
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.
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
no gap (<100 m2)56.72.467.24.359.54.659.53.361.22.835.44.636.32.949.83.631.03.740.16.138.05.426.32.715.92.045.52.744.00.9
small gap 100-500 m2)17.91.912.53.017.33.514.12.415.32.117.43.623.72.619.42.821.13.317.44.810.43.525.62.722.72.319.62.219.10.7
medium gap (500-1000 m2)11.81.66.62.36.92.49.22.012.71.920.14.020.92.514.82.617.03.014.14.413.83.927.22.724.62.315.82.016.30.7
large gap (1000-5000 m2)13.11.712.73.111.53.016.22.58.21.622.24.018.72.412.32.427.83.626.85.631.55.220.12.435.32.618.22.118.80.7
very large gap (>5000 m2)0.50.40.90.94.82.11.00.72.50.94.82.10.40.43.71.53.21.41.71.66.32.80.70.51.50.70.90.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 06.03.2024 #1336770/518526

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1336770. Birmensdorf, Swiss Federal Research Institute WSL

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