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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: 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/an/a0.50.25.11.04.41.18.21.82.60.813.52.13.20.3
no gap38.01.122.31.826.12.313.72.313.81.725.42.629.40.7
small gap37.41.129.52.031.92.525.42.929.52.222.22.533.00.8
medium gap11.40.719.61.815.01.921.22.821.02.018.32.315.20.6
large gap11.20.722.71.821.12.231.13.131.82.320.12.418.10.6
very large gap1.40.30.80.41.50.70.50.51.20.50.40.41.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.80.81.41.42.71.90.80.81.21.23.41.51.70.5
no gap42.54.542.25.824.54.916.13.319.74.138.44.031.01.8
small gap30.44.229.75.336.75.634.74.323.44.530.63.930.91.9
medium gap15.53.313.33.913.74.017.13.422.74.49.02.414.91.4
large gap10.82.810.83.621.24.729.74.130.84.818.53.220.31.6
very large gap0.0.2.61.81.21.21.71.22.31.60.0.1.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.2.10.77.21.52.30.93.71.04.90.93.70.4
no gap37.13.720.91.926.62.514.22.011.81.829.42.022.80.9
small gap45.83.835.12.231.62.633.12.725.12.432.62.133.01.0
medium gap9.72.220.01.815.22.020.62.421.32.214.91.617.50.8
large gap6.81.920.61.818.22.227.72.635.02.617.51.621.60.9
very large gap0.60.61.30.51.30.62.10.83.11.00.70.41.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.23.50.65.40.84.10.82.90.67.20.83.20.2
no gap38.21.023.11.326.21.614.41.413.61.229.61.527.30.5
small gap37.71.032.11.432.21.730.71.827.11.529.31.532.80.6
medium gap11.50.719.31.214.91.320.11.621.31.415.01.215.90.5
large gap10.80.720.91.219.91.429.31.832.91.618.41.219.50.5
very large gap1.20.21.10.31.40.41.40.52.10.50.50.21.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #876049/342381
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