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NFI4
number of forest plots
landslide/mudflow SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
n/an/a0.40.20.70.21.60.43.80.44.80.72.50.2
no gap33.21.532.61.412.91.09.40.67.80.917.50.4
small gap28.91.435.01.416.21.112.00.76.50.818.50.5
medium gap9.40.910.20.98.90.88.50.65.40.78.50.3
large gap8.40.910.80.910.40.912.40.75.80.710.20.4
very large gap0.70.31.50.40.70.30.40.10.20.10.70.1
total81.11.290.90.850.71.546.41.030.51.457.90.5
inside perimetern/a0.10.10.0.0.0.0.30.10.60.20.20.1
no gap3.80.61.10.32.40.52.60.35.70.73.00.2
small gap2.50.50.90.32.20.43.80.44.50.72.90.2
medium gap1.80.40.10.10.60.22.30.31.30.41.40.1
large gap0.80.30.40.20.70.33.40.42.80.51.90.2
very large gap0.0.0.0.0.0.0.30.10.0.0.10.0
total9.00.92.60.55.90.712.80.715.01.19.60.4
outside perimetern/a0.0.0.10.11.30.31.70.32.70.51.20.1
no gap3.80.62.30.410.10.96.70.516.01.27.50.3
small gap4.00.63.40.515.61.111.70.717.91.210.70.4
medium gap1.50.40.20.17.80.88.10.68.10.95.60.3
large gap0.60.20.50.28.10.811.60.79.50.97.10.3
very large gap0.0.0.10.10.50.20.90.20.40.20.50.1
total9.90.96.50.743.31.540.81.054.51.632.50.5
totaln/a0.50.20.80.32.80.55.80.58.10.93.90.2
no gap40.81.536.01.425.51.318.70.829.51.427.90.5
small gap35.51.539.31.433.91.427.60.928.91.532.10.6
medium gap12.61.010.50.917.31.118.90.814.81.115.60.4
large gap9.80.911.80.919.21.127.50.918.11.219.20.5
very large gap0.70.31.60.41.30.31.60.30.60.21.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #876037/342369
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