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NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/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 SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%1.40.31.30.60.40.40.90.90.80.50.90.91.20.2
21-40%1.60.33.00.98.11.712.13.09.01.82.01.43.50.3
41-60%5.80.518.81.915.12.225.64.027.62.815.63.611.50.6
61-80%17.50.933.22.325.52.734.54.340.43.126.54.423.40.8
over 80%73.61.043.72.450.93.026.93.922.22.654.94.960.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.1.41.41.51.50.0.0.0.0.0.0.40.3
21-40%0.0.1.41.44.62.63.51.74.22.31.61.12.30.6
41-60%1.71.26.72.94.52.521.83.916.24.36.42.29.61.2
61-80%15.33.323.85.118.24.833.44.436.25.518.13.523.71.8
over 80%83.03.566.65.671.25.641.34.543.45.673.93.964.02.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.60.62.30.71.90.80.40.40.40.40.80.41.20.3
21-40%0.50.55.61.13.41.15.21.48.01.61.70.64.30.5
41-60%2.31.211.51.58.01.719.72.433.02.87.91.313.80.8
61-80%13.62.630.92.223.62.638.73.037.72.925.92.229.31.1
over 80%82.92.849.62.363.12.936.02.920.92.463.72.451.41.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.30.21.80.41.20.40.40.30.50.30.60.31.10.1
21-40%1.40.34.20.65.60.96.51.18.01.11.70.53.60.3
41-60%5.30.514.31.110.71.321.71.828.71.88.91.112.10.4
61-80%17.10.831.41.523.81.836.52.138.62.024.51.725.50.6
over 80%74.90.948.41.558.81.934.92.124.21.764.31.957.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #865806/332137
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