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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
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%1.60.41.30.41.40.51.60.44.41.31.70.2
21-40%1.90.52.00.46.01.014.91.114.82.26.90.4
41-60%7.20.95.50.719.61.626.41.423.02.614.90.6
61-80%19.11.417.01.128.71.932.31.524.32.723.90.7
over 80%70.21.574.21.244.42.024.81.433.42.952.60.7
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%4.24.10.0.3.22.25.71.34.22.45.11.0
41-60%4.24.10.0.18.54.820.62.221.14.819.61.8
61-80%21.38.50.0.30.15.733.32.630.85.531.92.1
over 80%70.39.40.0.48.26.238.62.643.95.942.12.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.1.11.11.50.61.60.41.20.51.30.2
21-40%0.0.0.0.4.20.96.90.93.30.74.50.4
41-60%1.91.10.90.98.01.222.01.48.91.213.00.7
61-80%14.42.812.73.328.12.032.91.623.41.727.00.9
over 80%83.72.985.33.558.22.136.61.663.21.954.21.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.30.41.30.31.40.41.60.32.00.51.50.2
21-40%1.70.41.80.45.00.610.30.66.60.86.00.3
41-60%6.20.85.10.614.41.023.80.913.81.114.60.4
61-80%18.41.216.61.128.51.332.71.024.21.425.60.5
over 80%72.41.375.21.150.71.331.60.953.31.652.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863440/329771
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