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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 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%1.20.31.20.30.60.20.50.20.70.30.80.1
21-40%1.50.41.80.42.60.55.00.53.60.63.20.2
41-60%5.80.74.80.69.70.911.20.76.20.88.20.3
61-80%15.41.115.41.114.11.015.00.86.50.813.80.4
over 80%57.61.567.91.322.41.311.50.79.41.031.00.5
total81.51.291.20.849.31.543.21.126.41.457.00.5
inside perimeter0-20%0.0.0.0.0.0.0.30.10.0.0.10.0
21-40%0.10.10.0.0.20.10.90.20.30.20.40.1
41-60%0.10.10.0.1.00.33.40.41.70.41.60.2
61-80%0.50.20.0.1.80.45.30.52.50.52.50.2
over 80%1.70.40.0.2.90.56.30.53.60.63.40.2
total2.40.50.0.5.80.716.30.88.10.98.00.3
outside perimeter0-20%0.0.0.10.10.60.20.60.20.80.30.40.1
21-40%0.0.0.0.1.90.42.70.42.20.51.50.2
41-60%0.30.20.10.13.50.69.10.65.50.84.50.3
61-80%2.30.51.10.312.61.013.30.715.21.29.40.4
over 80%13.51.17.50.826.21.314.90.841.71.619.10.5
total16.11.28.80.844.81.540.51.165.41.634.90.6
total0-20%1.20.31.30.31.20.31.40.31.50.41.30.1
21-40%1.60.41.80.44.70.68.60.66.10.85.20.3
41-60%6.20.84.90.614.21.023.60.913.51.114.20.4
61-80%18.21.216.51.128.51.433.71.024.21.425.80.5
over 80%72.81.375.51.151.41.432.71.054.71.653.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863375/329706
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