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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: accessible 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%0.90.31.20.32.10.64.10.73.91.32.20.2
21-40%1.80.51.70.44.60.914.51.213.62.26.20.4
41-60%5.80.82.90.512.51.420.91.320.82.610.90.5
61-80%11.91.17.20.822.11.825.81.424.72.816.50.6
over 80%79.51.387.11.058.72.034.81.537.13.164.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.1.71.72.10.84.12.32.30.7
21-40%0.0.0.0.5.02.85.11.25.62.74.91.0
41-60%4.24.10.0.14.94.414.11.910.93.713.31.5
61-80%17.47.90.0.14.94.428.22.427.05.225.82.0
over 80%78.48.60.0.63.56.050.42.752.35.853.72.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.90.62.90.62.20.62.10.3
21-40%0.60.60.0.2.20.77.10.93.50.74.20.4
41-60%3.21.41.11.17.71.217.41.38.01.110.90.7
61-80%10.52.47.62.618.61.726.51.518.31.620.50.9
over 80%85.72.791.42.769.72.046.11.768.11.962.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.31.10.32.00.43.30.42.80.62.20.2
21-40%1.60.41.50.43.50.610.00.66.40.85.40.3
41-60%5.40.72.80.510.50.918.40.811.71.111.10.4
61-80%11.81.07.20.720.11.226.41.020.71.418.60.5
over 80%80.51.287.40.964.01.341.91.058.51.662.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863431/329762
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