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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 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 gap37.21.521.72.627.93.612.53.513.12.529.84.930.31.1
small gap37.61.532.02.926.73.525.84.625.83.220.84.433.31.1
medium gap12.31.022.12.616.13.025.84.623.23.118.54.216.00.9
large gap11.61.024.12.728.73.634.85.136.83.630.95.019.30.9
very large gap1.30.4.0.00.60.61.11.11.10.8.0.01.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap41.26.040.97.438.87.016.94.314.65.132.45.630.42.4
small gap32.45.729.56.934.76.835.15.427.16.435.25.732.72.5
medium gap16.24.513.65.26.13.418.24.425.06.311.33.815.11.9
large gap10.33.711.44.818.35.529.95.231.36.721.24.920.62.1
very large gap.0.04.53.12.02.0.0.02.12.1.0.01.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap34.15.117.92.330.43.615.83.011.92.528.72.822.41.3
small gap50.05.334.02.930.13.628.33.725.03.335.93.033.01.4
medium gap5.72.521.62.517.22.923.03.425.03.314.62.218.71.2
large gap10.23.225.72.720.53.130.33.735.13.720.02.524.41.3
very large gap.0.00.70.51.81.02.61.33.01.30.80.61.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap37.21.421.41.730.42.415.12.012.81.729.62.327.70.8
small gap38.21.432.72.029.22.429.22.625.62.232.62.333.20.8
medium gap12.10.921.21.715.31.922.62.324.22.114.81.816.80.7
large gap11.40.923.91.823.72.231.52.635.42.422.52.121.20.7
very large gap1.20.30.70.41.30.61.60.72.00.70.50.31.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151227/137607
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