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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 NFI3/NFI4
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%1.50.41.30.41.20.51.30.42.71.11.40.2
21-40%1.80.52.00.45.41.011.61.113.72.35.70.4
41-60%7.10.95.30.719.61.725.91.523.62.814.30.6
61-80%18.91.416.91.128.62.034.71.624.62.924.20.7
over 80%70.71.574.51.245.32.126.61.535.53.154.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.1.80.70.0.1.20.5
21-40%4.24.10.0.3.22.25.81.34.22.45.11.0
41-60%4.24.10.0.17.14.720.62.221.14.819.51.8
61-80%21.38.50.0.30.65.732.92.630.85.531.72.1
over 80%70.39.40.0.49.06.238.92.643.95.942.42.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.1.11.11.30.51.40.41.30.51.20.2
21-40%0.0.0.0.4.20.96.60.93.40.74.40.4
41-60%1.91.10.90.97.81.222.31.48.41.212.90.7
61-80%14.52.812.83.328.22.032.91.623.21.827.00.9
over 80%83.62.985.23.558.52.236.81.663.82.054.51.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.20.31.30.31.20.31.40.31.50.41.30.1
21-40%1.60.41.80.44.70.68.60.66.10.85.20.3
41-60%6.20.84.90.614.21.023.60.913.51.114.20.4
61-80%18.21.216.51.128.51.433.71.024.21.425.80.5
over 80%72.81.375.51.151.41.432.71.054.71.653.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863443/329774
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