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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: 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%1.50.41.40.41.90.61.50.44.11.21.70.2
21-40%1.80.52.00.45.51.011.11.012.92.05.70.4
41-60%7.20.95.30.719.61.726.21.423.12.514.70.6
61-80%18.81.416.91.128.11.935.11.625.72.624.40.7
over 80%70.71.574.51.244.92.026.21.434.22.853.50.8
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%4.24.10.0.3.22.25.81.34.12.35.21.0
41-60%4.24.10.0.16.84.620.32.120.84.819.21.7
61-80%21.38.50.0.30.15.732.92.531.85.531.82.1
over 80%70.39.40.0.49.96.239.22.643.35.842.62.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.1.11.11.30.51.60.41.30.51.30.2
21-40%0.0.0.0.4.10.96.50.83.30.74.40.4
41-60%1.91.10.90.98.41.222.21.49.21.213.20.7
61-80%14.42.812.73.327.72.032.11.623.71.726.70.9
over 80%83.72.985.33.558.62.137.61.662.41.954.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.20.31.40.31.50.41.60.32.00.51.50.2
21-40%1.60.41.80.44.70.68.40.66.10.85.20.3
41-60%6.30.84.90.614.41.023.60.914.11.114.50.4
61-80%18.11.216.51.128.01.333.51.024.91.425.80.5
over 80%72.81.375.41.151.31.332.90.952.91.552.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863442/329773
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