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NFI4
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap32.91.010.21.011.21.24.00.85.40.86.30.916.90.5
small gap32.51.014.41.115.01.48.21.112.21.24.90.819.00.5
medium gap9.90.610.00.97.41.06.71.110.11.14.00.78.60.4
large gap9.70.611.11.010.71.211.01.316.21.46.00.810.50.4
very large gap1.20.20.40.20.80.40.20.20.60.30.10.10.70.1
total86.20.746.01.645.02.030.11.944.51.821.31.555.60.6
inside perimeterno gap2.40.33.20.62.90.73.30.72.20.57.00.93.30.2
small gap1.70.32.30.54.10.87.01.12.80.65.70.83.20.2
medium gap0.90.21.00.31.40.53.50.82.90.61.70.51.60.2
large gap0.60.20.80.32.50.66.21.03.60.73.40.72.10.2
very large gap0.0.0.20.10.10.10.40.30.30.20.0.0.10.0
total5.60.57.50.811.11.220.51.711.81.217.81.410.30.4
outside perimeterno gap3.00.49.80.912.51.37.11.15.10.818.41.47.90.3
small gap3.70.416.81.215.21.416.51.511.21.220.61.511.60.4
medium gap0.80.29.50.97.11.010.61.39.91.19.91.16.30.3
large gap0.60.29.80.98.51.114.11.416.11.411.31.17.70.3
very large gap0.10.10.60.20.60.31.10.41.40.50.50.30.50.1
total8.20.646.51.643.92.049.42.143.71.860.91.834.00.6
totalno gap38.41.023.21.326.51.714.51.512.71.231.71.728.00.6
small gap37.91.033.41.534.31.931.81.926.21.631.21.733.80.6
medium gap11.60.720.51.316.01.520.91.722.81.615.71.316.50.5
large gap10.90.721.71.321.61.631.21.936.01.820.71.420.30.5
very large gap1.20.21.20.31.60.51.60.52.30.60.60.31.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887428/353760
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