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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%1.20.31.20.30.60.20.50.20.40.20.80.1
21-40%1.50.41.80.42.70.54.50.52.80.62.90.2
41-60%5.80.74.70.69.00.910.30.74.90.87.50.3
61-80%15.41.115.41.114.11.113.20.84.80.813.10.4
over 80%57.61.568.01.322.51.310.00.78.41.031.50.5
total81.51.291.20.848.91.538.41.121.31.555.80.6
inside perimeter0-20%0.0.0.0.0.0.0.30.10.0.0.10.0
21-40%0.10.10.0.0.20.11.00.20.40.20.40.1
41-60%0.10.10.0.1.00.33.70.41.80.51.60.2
61-80%0.50.20.0.1.80.45.80.52.70.62.60.2
over 80%1.70.40.0.2.90.56.80.64.00.73.50.2
total2.40.50.0.5.90.717.50.99.01.08.30.3
outside perimeter0-20%0.0.0.10.10.60.20.60.20.70.30.40.1
21-40%0.0.0.0.1.90.43.00.42.10.51.60.2
41-60%0.30.20.10.13.40.59.60.75.70.84.50.3
61-80%2.30.51.10.312.81.014.50.816.31.39.70.4
over 80%13.51.17.50.826.61.316.40.845.01.719.80.5
total16.11.28.80.845.21.544.11.169.71.636.00.6
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 #863377/329708
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