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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 without shrub 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%0.90.31.20.32.10.64.20.73.61.42.10.2
21-40%1.80.51.70.44.70.915.61.315.72.86.00.4
41-60%5.80.82.90.511.81.421.01.519.73.010.00.5
61-80%11.91.17.20.822.01.824.91.624.53.315.60.6
over 80%79.51.387.11.059.42.134.21.736.43.666.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.1.71.71.90.82.81.91.90.6
21-40%0.0.0.0.5.02.84.61.25.82.84.61.0
41-60%4.24.10.0.14.94.413.61.911.23.713.01.5
61-80%17.47.90.0.14.94.428.72.527.85.326.22.0
over 80%78.48.60.0.63.56.051.22.752.45.954.32.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.90.62.80.61.90.62.00.3
21-40%0.60.60.0.2.20.77.10.93.30.74.10.4
41-60%3.21.41.11.17.71.217.01.38.01.110.80.7
61-80%10.52.47.62.618.21.726.71.518.31.720.50.9
over 80%85.72.791.42.770.02.046.41.768.41.962.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.31.10.32.00.43.20.42.40.62.00.2
21-40%1.60.41.50.43.50.610.00.76.20.85.20.3
41-60%5.40.72.80.510.10.918.00.910.91.110.50.4
61-80%11.81.07.20.719.91.226.31.020.51.418.20.5
over 80%80.51.287.40.964.41.342.51.160.01.664.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863428/329759
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