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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: 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%1.20.31.30.30.90.30.60.21.20.41.00.1
21-40%1.50.41.80.42.70.54.80.53.70.63.20.2
41-60%5.90.74.80.69.70.911.40.76.60.88.40.3
61-80%15.31.115.41.013.91.015.30.87.40.813.90.4
over 80%57.61.567.91.322.21.211.40.79.81.030.40.5
total81.51.291.10.849.41.543.61.028.81.456.90.5
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%0.10.10.0.1.00.33.30.41.60.41.50.2
61-80%0.50.20.0.1.70.45.30.52.40.52.50.2
over 80%1.70.40.0.2.90.56.30.53.30.63.40.2
total2.40.50.0.5.80.716.10.87.50.88.00.3
outside perimeter0-20%0.0.0.10.10.60.20.70.20.90.30.50.1
21-40%0.0.0.0.1.80.42.60.32.10.51.50.2
41-60%0.30.20.10.13.80.68.90.65.90.84.60.3
61-80%2.30.51.10.312.51.012.90.715.11.29.40.4
over 80%13.51.17.60.826.31.315.10.739.81.519.10.5
total16.11.18.90.844.91.540.31.063.71.535.10.5
total0-20%1.20.31.40.31.50.41.60.32.00.51.50.2
21-40%1.60.41.80.44.70.68.40.66.10.85.20.3
41-60%6.30.84.90.614.41.023.60.914.11.114.50.4
61-80%18.11.216.51.128.01.333.51.024.91.425.80.5
over 80%72.81.375.41.151.31.332.90.952.91.552.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863376/329707
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