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NFI2
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 NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%0.60.20.80.31.40.41.40.50.90.40.50.30.80.1
21-40%2.20.33.90.64.00.74.70.97.60.91.90.53.60.2
41-60%6.40.59.70.98.41.09.21.213.71.24.40.78.10.3
61-80%21.00.815.31.114.41.37.01.014.71.37.00.915.50.4
over 80%56.61.015.71.116.01.35.00.96.50.95.20.827.70.5
total86.80.745.31.544.11.827.21.843.41.819.11.455.60.5
inside perimeter0-20%0.0.0.30.20.10.10.30.20.10.10.0.0.10.0
21-40%0.00.00.30.21.20.42.30.61.60.51.30.40.80.1
41-60%0.00.02.10.42.20.54.90.93.50.73.20.61.90.2
61-80%0.40.14.10.63.50.79.11.25.60.83.30.63.20.2
over 80%0.60.23.20.54.60.85.60.91.70.51.50.42.20.2
total1.10.210.00.911.71.222.21.712.61.29.31.08.20.3
outside perimeter0-20%0.0.0.70.30.80.31.30.50.90.30.60.30.50.1
21-40%0.0.1.80.41.20.45.40.97.91.04.90.82.50.2
41-60%0.20.18.40.86.70.911.01.313.51.211.71.16.40.3
61-80%3.90.417.41.113.41.319.41.614.01.221.11.512.10.4
over 80%8.00.516.41.122.01.513.51.37.70.933.41.614.60.4
total12.10.744.71.544.21.850.62.044.01.871.61.636.20.5
total0-20%0.60.21.80.42.30.63.00.72.00.51.20.41.50.2
21-40%2.20.36.00.76.40.912.31.317.01.38.11.06.80.3
41-60%6.60.520.21.217.31.425.11.830.71.719.31.416.40.4
61-80%25.30.936.71.431.31.735.41.934.31.731.41.730.80.6
over 80%65.20.935.31.442.71.724.21.715.91.340.11.744.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853598/319929
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