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NFI2
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%0.80.22.10.73.61.15.82.01.70.83.11.51.60.2
21-40%2.40.49.01.38.41.717.73.218.22.211.52.86.40.4
41-60%7.30.622.32.017.72.336.74.032.22.722.33.714.70.6
61-80%24.11.032.32.231.92.821.63.433.22.736.24.227.20.8
over 80%65.41.134.42.238.52.818.23.114.72.026.83.950.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.3.01.71.31.31.71.21.21.20.0.1.50.6
21-40%4.54.43.11.810.83.611.62.913.93.710.73.89.61.4
41-60%4.03.921.64.117.64.421.53.828.14.835.46.023.21.9
61-80%35.010.040.84.930.85.442.44.542.95.237.16.039.22.2
over 80%56.510.431.54.639.55.622.83.814.03.616.84.626.52.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.1.80.61.80.82.91.02.00.81.00.41.60.3
21-40%0.0.4.00.92.50.911.41.917.72.26.31.16.80.5
41-60%1.90.818.51.814.12.121.32.531.42.716.81.617.60.8
61-80%31.62.939.12.331.22.837.02.931.02.729.22.033.21.0
over 80%66.52.936.52.350.42.927.42.617.92.246.62.240.81.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.70.22.10.42.50.63.40.81.80.51.30.41.60.2
21-40%2.10.36.20.86.10.913.11.517.41.47.71.06.80.3
41-60%6.60.520.51.316.11.425.61.931.31.819.61.516.40.5
61-80%25.20.936.21.531.51.834.02.033.51.831.31.830.40.6
over 80%65.41.035.01.543.91.923.91.816.01.440.21.844.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853618/319949
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