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NFI4b
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 NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap37.11.520.22.727.13.913.34.412.52.841.06.931.11.1
small gap37.81.533.83.128.73.931.15.928.33.723.66.035.01.2
medium gap12.41.021.92.715.23.126.25.624.13.617.75.415.60.9
large gap11.31.024.12.828.33.927.95.834.54.017.75.417.20.9
very large gap1.40.4.0.00.80.81.61.60.70.7.0.01.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap41.86.040.57.640.57.217.64.414.35.436.56.131.82.5
small gap31.35.731.07.136.17.033.85.526.26.834.96.032.52.6
medium gap16.44.511.95.06.43.618.94.628.67.011.14.015.52.0
large gap10.43.711.95.014.95.229.75.328.67.017.54.819.02.1
very large gap.0.04.83.32.12.1.0.02.42.4.0.01.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap34.55.117.42.430.33.716.03.111.22.630.53.122.61.3
small gap50.65.434.53.029.73.629.73.925.73.536.83.233.71.5
medium gap4.62.221.32.517.63.024.63.725.03.513.52.318.61.2
large gap10.33.326.02.720.43.228.33.834.93.918.32.623.71.3
very large gap.0.00.80.51.91.11.41.03.31.40.90.61.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap37.21.420.51.830.52.515.82.212.11.833.22.628.30.8
small gap38.41.433.92.130.22.531.12.826.82.434.52.634.30.9
medium gap12.00.920.81.815.12.023.42.625.02.413.71.916.60.7
large gap11.20.924.11.922.72.328.62.733.92.618.12.119.60.7
very large gap1.20.30.80.41.50.71.10.62.10.80.60.41.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151270/137650
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