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NFI3
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 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap60.71.534.63.246.84.327.85.716.53.146.97.050.51.2
small gap15.11.122.42.819.63.523.05.421.43.415.75.117.30.9
medium gap10.41.020.62.712.22.924.75.525.53.621.65.814.20.9
large gap12.11.021.12.719.23.522.95.435.94.011.84.516.30.9
very large gap1.70.41.30.82.31.31.61.60.70.74.02.81.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap56.76.152.47.768.16.828.45.219.06.146.06.344.92.7
small gap16.44.514.35.410.64.533.85.521.46.319.04.920.22.2
medium gap13.44.27.14.08.54.120.34.735.77.420.65.117.62.1
large gap13.44.221.46.38.54.117.64.423.86.614.34.416.12.0
very large gap.0.04.83.34.32.9.0.0.0.0.0.01.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap54.05.331.42.937.93.924.73.713.82.844.33.333.71.5
small gap25.34.723.62.617.03.021.73.523.73.420.62.721.91.3
medium gap9.23.120.22.518.33.131.94.021.73.313.02.319.11.2
large gap11.53.422.52.622.43.321.03.538.13.921.12.723.31.3
very large gap.0.02.30.94.41.60.70.72.61.30.90.62.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap60.01.434.52.145.62.726.42.715.62.045.02.744.20.9
small gap15.91.122.31.817.22.125.32.622.42.319.62.219.20.7
medium gap10.50.919.31.714.51.927.12.725.12.415.82.016.20.7
large gap12.11.021.81.819.22.220.52.435.42.618.42.118.70.7
very large gap1.40.32.10.63.51.00.70.51.50.71.20.61.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151071/137451
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