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NFI3
number of forest plots
landslide/mudflow SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
n/ano gap59.41.762.61.538.02.127.31.735.03.748.60.8
small gap16.81.313.61.121.81.820.31.516.72.917.40.7
medium gap10.41.110.00.917.51.721.51.523.13.314.50.6
large gap12.81.211.31.020.41.829.61.723.73.317.80.7
very large gap0.50.32.60.52.20.71.30.41.30.91.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap60.25.161.69.161.46.030.92.746.54.343.72.0
small gap13.33.610.75.814.64.323.82.520.13.519.81.6
medium gap14.43.77.04.810.83.922.52.516.33.217.81.6
large gap12.13.420.77.511.53.821.02.417.13.217.71.6
very large gap0.0.0.0.1.71.71.80.80.0.1.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap58.24.961.35.639.32.221.01.442.72.333.81.0
small gap18.93.923.94.921.61.923.11.420.11.921.80.9
medium gap13.93.55.42.620.31.820.81.413.61.618.10.9
large gap9.02.99.43.416.91.732.21.621.31.923.91.0
very large gap0.0.0.0.1.90.62.90.62.30.72.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap59.41.562.51.440.11.524.91.041.71.743.10.6
small gap16.71.214.21.021.21.222.11.019.41.419.10.5
medium gap11.11.09.60.918.31.221.30.916.11.316.10.5
large gap12.41.011.40.918.31.229.51.121.11.519.90.5
very large gap0.40.22.30.42.00.42.10.31.70.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887484/353816
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