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NFI4
number of forest plots
landslide/mudflow SilvaProtect · area of largest gap (aerial photo, 5 classes)
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
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap38.21.122.12.024.82.513.32.612.01.829.53.630.30.8
small gap37.71.131.32.233.32.827.33.427.42.522.93.334.10.8
medium gap11.50.721.61.916.42.222.43.222.82.419.03.115.50.6
large gap11.30.724.12.023.82.536.43.736.52.728.13.518.90.7
very large gap1.40.30.90.41.80.80.60.61.30.60.60.61.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap43.24.542.85.825.95.216.33.318.74.239.54.231.61.9
small gap30.14.230.15.437.35.734.44.423.94.731.94.031.31.9
medium gap15.73.313.54.013.14.017.33.424.34.79.62.515.31.5
large gap11.02.911.03.722.44.930.24.230.65.019.03.420.61.6
very large gap0.0.2.61.81.31.31.71.22.41.70.0.1.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap37.13.721.11.928.42.714.42.111.71.830.32.123.20.9
small gap45.83.836.12.234.62.833.42.825.62.533.92.234.21.1
medium gap9.72.220.51.916.32.221.52.422.52.316.31.718.50.9
large gap6.81.921.11.919.32.328.52.736.92.718.61.822.60.9
very large gap0.60.61.30.51.40.72.10.93.31.00.80.41.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap38.41.023.21.326.51.714.51.512.71.231.71.728.00.6
small gap37.91.033.41.534.31.931.81.926.21.631.21.733.80.6
medium gap11.60.720.51.316.01.520.91.722.81.615.71.316.50.5
large gap10.90.721.71.321.61.631.21.936.01.820.71.420.30.5
very large gap1.20.21.20.31.60.51.60.52.30.60.60.31.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #876045/342377
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