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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
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%1.30.41.30.31.10.30.80.21.70.41.10.1
21-40%1.60.41.90.43.10.56.70.54.30.64.10.2
41-60%5.90.75.00.610.10.912.50.77.30.89.00.3
61-80%15.61.115.51.014.21.015.00.77.80.914.00.4
over 80%57.31.567.51.322.31.211.30.79.50.929.80.5
total81.71.291.20.850.71.546.41.030.51.458.00.5
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%0.10.10.0.1.00.33.10.41.50.41.50.1
61-80%0.50.20.0.1.70.45.00.42.30.52.50.2
over 80%1.70.40.10.12.80.55.90.53.20.63.30.2
total2.30.50.10.15.70.715.20.77.30.87.80.3
outside perimeter0-20%0.0.0.10.10.60.20.70.20.80.30.50.1
21-40%0.0.0.0.1.80.42.60.32.10.51.50.2
41-60%0.30.20.10.13.60.58.50.65.90.74.50.3
61-80%2.30.51.10.312.11.012.40.714.71.19.20.3
over 80%13.41.07.50.825.41.214.20.738.61.518.50.4
total16.01.18.80.843.61.538.41.062.21.534.20.5
total0-20%1.30.41.40.31.70.41.70.32.50.51.70.2
21-40%1.70.41.90.45.00.610.30.66.80.86.00.3
41-60%6.30.85.10.614.71.024.20.914.71.115.10.4
61-80%18.41.216.71.128.11.332.41.024.81.425.70.5
over 80%72.41.375.01.150.51.331.40.951.31.551.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887187/353519
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