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NFI4
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%1.60.41.30.41.50.51.60.53.21.31.60.2
21-40%1.90.52.00.45.91.014.31.213.62.56.10.4
41-60%7.20.95.40.718.21.627.31.622.93.014.00.6
61-80%19.11.417.01.129.21.931.91.623.03.023.30.7
over 80%70.21.574.31.245.22.024.91.537.33.554.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.1.50.70.0.1.00.5
21-40%4.24.10.0.3.22.25.81.34.32.45.21.0
41-60%4.24.10.0.18.54.820.82.220.34.919.61.8
61-80%21.38.50.0.30.15.733.42.630.25.531.92.1
over 80%70.39.40.0.48.26.238.52.645.16.042.32.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.1.11.11.30.51.50.40.90.41.20.2
21-40%0.0.0.0.4.20.97.00.93.10.74.50.4
41-60%1.91.10.90.97.81.221.71.48.51.212.70.7
61-80%14.42.812.73.328.32.033.01.623.81.827.21.0
over 80%83.72.985.33.558.52.136.81.663.72.054.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.30.41.30.31.30.31.50.31.40.41.40.2
21-40%1.70.41.80.45.00.69.70.65.70.85.50.3
41-60%6.20.85.00.613.61.023.80.912.91.214.00.4
61-80%18.41.216.61.128.81.332.61.024.21.525.40.5
over 80%72.41.375.21.151.21.432.31.055.81.653.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863441/329772
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