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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 NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap52.81.115.91.219.01.56.61.010.71.27.51.027.10.5
small gap12.90.710.21.08.61.17.61.18.21.03.60.79.60.4
medium gap8.80.69.40.96.61.07.11.19.61.14.90.88.10.4
large gap10.30.79.60.99.91.28.41.215.41.35.10.89.90.4
very large gap1.50.30.80.30.90.40.40.30.60.30.30.20.90.1
total86.20.746.01.645.02.030.11.944.51.821.31.555.60.6
inside perimeterno gap3.40.43.70.66.30.95.60.92.60.68.31.04.50.3
small gap0.70.21.30.41.20.46.71.02.30.63.60.72.00.2
medium gap0.70.20.60.31.40.54.80.93.90.72.90.61.80.2
large gap0.80.21.60.41.70.53.20.73.00.63.00.61.80.2
very large gap0.0.0.20.10.50.30.20.20.0.0.0.0.10.0
total5.60.57.50.811.11.220.51.711.81.217.81.410.30.4
outside perimeterno gap4.90.515.01.117.51.512.01.45.00.826.01.611.50.4
small gap1.70.310.81.06.91.013.11.410.51.112.31.27.40.3
medium gap0.80.29.50.98.11.110.81.39.51.18.31.06.20.3
large gap0.70.29.90.99.81.213.11.417.31.413.01.28.20.4
very large gap0.0.1.20.31.60.50.40.31.40.41.40.40.80.1
total8.20.646.51.643.92.049.42.143.71.860.91.834.00.6
totalno gap61.11.034.71.542.81.924.21.818.31.441.71.743.10.6
small gap15.30.822.41.316.71.527.41.921.01.519.41.419.10.5
medium gap10.30.719.61.316.11.422.71.723.01.616.11.316.10.5
large gap11.90.721.11.321.41.624.71.835.71.821.11.519.90.5
very large gap1.50.32.20.53.00.70.90.42.00.51.70.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887418/353750
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