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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
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 gap61.11.137.02.148.42.731.63.237.82.450.43.351.30.8
small gap15.10.821.41.816.92.022.02.914.41.713.32.216.40.6
medium gap10.20.719.11.813.01.821.72.917.41.916.82.413.70.6
large gap11.90.720.81.819.92.223.83.028.92.218.12.517.00.6
very large gap1.70.31.70.61.80.71.00.71.50.61.40.81.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap60.14.549.05.855.75.827.04.025.54.647.34.344.02.0
small gap13.43.117.74.511.03.732.64.319.04.220.33.419.71.6
medium gap12.43.09.73.513.64.023.13.831.54.915.93.117.81.5
large gap14.13.220.94.715.34.316.43.424.04.616.63.217.51.5
very large gap0.0.2.71.94.32.50.90.90.0.0.0.1.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap59.53.732.22.141.22.824.22.513.71.945.62.235.01.0
small gap21.43.123.61.916.02.126.62.623.32.319.31.821.70.9
medium gap10.12.320.71.917.72.221.72.421.52.312.91.517.80.8
large gap9.02.120.81.921.72.426.72.638.42.720.11.823.40.9
very large gap0.0.2.60.73.41.00.70.53.11.02.20.62.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap60.91.035.71.446.21.827.21.827.01.547.11.745.20.6
small gap15.50.822.21.315.91.426.21.818.41.317.81.318.40.5
medium gap10.30.719.11.215.01.322.01.720.51.414.41.215.40.5
large gap11.80.720.81.220.21.523.71.732.11.619.01.319.20.5
very large gap1.40.32.10.42.70.60.90.42.00.51.60.41.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887470/353802
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