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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%1.20.20.60.20.20.20.20.20.30.20.20.20.70.1
21-40%1.40.31.30.43.50.83.00.83.80.80.30.21.90.2
41-60%5.00.58.20.96.51.06.31.111.51.32.60.66.30.3
61-80%15.10.814.51.211.01.38.51.316.91.54.30.812.90.5
over 80%63.31.019.11.322.01.76.71.19.31.29.01.233.20.6
total86.00.843.71.643.12.024.81.941.72.016.31.554.90.6
inside perimeter0-20%0.0.0.10.10.20.20.0.0.0.0.0.0.00.0
21-40%0.0.0.10.10.50.30.80.40.50.30.30.20.20.1
41-60%0.10.10.50.20.50.35.01.02.00.61.30.41.00.1
61-80%0.90.21.90.52.10.67.61.24.50.83.50.72.50.2
over 80%4.70.55.20.78.11.19.41.35.40.914.51.46.80.3
total5.70.57.90.911.41.322.71.912.41.319.61.610.70.4
outside perimeter0-20%0.10.11.10.30.90.40.20.20.20.20.50.30.40.1
21-40%0.00.02.70.51.50.52.70.73.70.81.10.41.50.2
41-60%0.20.15.60.73.60.810.41.415.21.45.10.94.80.3
61-80%1.10.215.01.210.71.320.31.817.31.516.61.510.10.4
over 80%6.90.624.11.428.71.818.91.79.61.240.82.017.70.5
total8.30.648.51.645.52.152.52.245.92.064.01.934.40.6
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 #865721/332052
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