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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
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%1.30.41.20.30.70.30.70.21.20.41.00.1
21-40%1.60.41.80.43.00.56.70.54.10.74.00.2
41-60%5.80.75.00.69.90.911.90.76.40.88.60.3
61-80%15.61.115.51.014.51.014.60.86.80.813.80.4
over 80%57.31.567.61.322.41.211.20.79.41.030.40.5
total81.71.291.20.850.61.545.21.028.01.457.80.5
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%0.10.10.0.1.10.33.20.41.70.41.50.2
61-80%0.50.20.0.1.70.45.20.52.40.52.50.2
over 80%1.70.40.0.2.80.56.00.53.40.63.30.2
total2.40.50.0.5.70.715.50.87.80.97.80.3
outside perimeter0-20%0.0.0.10.10.70.20.60.20.80.30.50.1
21-40%0.0.0.0.1.80.42.70.32.10.51.50.2
41-60%0.30.20.10.13.50.58.70.65.70.84.50.3
61-80%2.30.51.10.312.31.012.90.715.01.29.30.4
over 80%13.41.17.50.825.41.314.40.740.51.518.60.5
total16.01.18.80.843.71.539.21.064.21.634.40.5
total0-20%1.30.41.30.31.40.41.60.32.00.51.50.2
21-40%1.70.41.80.45.00.610.30.66.60.86.00.3
41-60%6.20.85.10.614.41.023.80.913.81.114.60.4
61-80%18.41.216.61.128.51.332.71.024.21.425.60.5
over 80%72.41.375.21.150.71.331.60.953.31.652.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863379/329710
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