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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 without shrub 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%1.50.41.30.41.20.51.30.41.91.11.40.2
21-40%1.80.52.00.45.51.011.71.212.92.65.20.4
41-60%7.10.95.20.718.31.726.91.723.23.313.50.6
61-80%18.91.416.91.128.92.034.21.822.73.323.40.7
over 80%70.71.574.61.246.12.125.91.639.43.856.50.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.1.60.70.0.1.10.5
21-40%4.24.10.0.3.22.25.61.34.32.45.01.0
41-60%4.24.10.0.17.14.720.92.220.34.919.51.8
61-80%21.38.50.0.30.65.733.12.630.25.531.82.1
over 80%70.39.40.0.49.06.238.92.745.16.042.72.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.1.11.11.30.51.40.40.90.41.10.2
21-40%0.0.0.0.4.20.96.70.93.00.74.40.4
41-60%1.91.10.90.97.41.221.81.48.21.212.50.7
61-80%14.52.812.83.328.32.032.91.623.31.827.11.0
over 80%83.62.985.23.558.82.237.21.664.62.054.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.20.31.30.31.20.31.40.31.10.41.30.1
21-40%1.60.41.80.44.80.68.40.65.20.84.90.3
41-60%6.20.84.80.613.31.023.61.012.51.213.60.4
61-80%18.21.216.51.128.71.433.41.123.81.525.40.6
over 80%72.81.375.51.152.01.433.21.057.41.754.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863437/329768
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