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NFI3
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%0.90.31.20.32.70.74.30.65.11.32.50.3
21-40%1.80.51.70.44.60.914.31.114.02.16.40.4
41-60%5.90.83.00.512.71.421.21.320.72.411.30.5
61-80%11.81.17.30.821.81.725.51.426.12.616.80.6
over 80%79.51.386.91.058.12.034.71.534.22.863.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.1.61.62.30.84.12.32.40.7
21-40%0.0.0.0.4.82.75.11.25.62.74.91.0
41-60%4.24.10.0.15.94.414.11.810.93.713.41.5
61-80%17.47.90.0.14.54.328.42.427.05.225.91.9
over 80%78.48.60.0.63.25.950.02.652.35.853.32.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.2.00.62.80.63.40.72.40.3
21-40%0.60.60.0.2.30.77.20.93.20.74.20.4
41-60%3.21.41.11.07.71.217.71.38.81.111.30.7
61-80%10.42.47.52.518.11.726.51.518.71.620.50.8
over 80%85.82.791.52.769.92.045.81.665.91.961.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.70.31.10.32.40.43.30.43.90.62.40.2
21-40%1.60.41.50.43.60.610.00.66.50.85.50.3
41-60%5.40.72.80.510.60.918.70.812.41.011.40.4
61-80%11.71.07.30.719.71.226.40.921.51.318.80.5
over 80%80.51.287.30.963.71.341.61.055.61.561.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863436/329767
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