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NFI3
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%0.90.21.70.41.10.40.90.41.60.40.70.31.10.1
21-40%1.50.23.20.54.40.77.81.05.30.83.30.63.40.2
41-60%3.50.46.60.75.70.86.81.010.01.04.40.75.50.3
61-80%8.10.59.60.911.01.17.51.012.41.25.20.78.80.3
over 80%72.60.923.61.223.21.59.11.115.61.37.80.936.90.5
total86.70.744.61.545.31.832.11.844.91.721.41.455.80.5
inside perimeter0-20%0.0.0.40.20.10.10.20.20.10.10.20.20.20.0
21-40%0.0.0.50.20.40.21.20.40.80.30.60.30.40.1
41-60%0.00.00.90.30.90.43.50.72.30.50.90.31.00.1
61-80%0.20.12.10.42.60.64.70.85.50.82.70.52.20.2
over 80%0.90.26.60.77.00.911.21.24.90.74.80.74.60.3
total1.10.210.50.911.11.120.81.613.61.29.21.08.40.3
outside perimeter0-20%0.0.1.30.31.40.40.80.31.10.41.20.40.80.1
21-40%0.00.01.20.31.30.42.60.64.40.72.10.51.40.1
41-60%0.30.13.90.63.70.76.81.09.31.05.60.83.70.2
61-80%1.10.210.20.97.10.912.61.311.91.111.91.17.20.3
over 80%10.80.628.21.330.21.624.31.714.91.248.51.622.70.5
total12.20.744.91.543.61.847.11.941.51.769.31.535.90.5
total0-20%0.90.23.40.52.60.61.90.52.80.62.10.52.00.2
21-40%1.50.35.00.66.00.911.61.210.51.06.00.85.30.3
41-60%3.80.411.40.910.41.117.11.521.61.410.91.010.30.4
61-80%9.40.621.91.220.61.524.81.729.81.619.81.318.20.5
over 80%84.30.758.41.360.41.644.61.935.31.661.21.664.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863334/329665
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