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NFI3
forest area
processes in channels SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%0.90.21.20.31.30.40.90.41.70.50.70.31.10.1
21-40%1.50.33.20.64.10.87.21.15.10.83.40.63.30.2
41-60%3.40.46.60.85.70.96.81.19.81.14.00.75.40.3
61-80%7.80.610.00.910.41.27.01.112.51.25.50.88.70.4
over 80%73.00.925.01.423.71.78.21.115.51.37.81.037.30.5
total86.70.746.01.645.22.030.11.944.51.821.31.555.80.6
inside perimeter0-20%0.0.1.30.41.70.50.70.40.80.31.60.50.80.1
21-40%0.0.1.40.41.40.53.30.75.10.82.80.61.70.2
41-60%0.20.14.70.74.90.810.11.310.51.15.90.84.50.3
61-80%0.60.211.11.08.51.116.01.514.41.314.41.38.30.4
over 80%7.60.630.81.432.21.830.81.914.71.347.91.722.70.5
total8.40.649.31.648.62.060.82.045.51.872.71.638.00.6
outside perimeter0-20%0.0.0.20.10.0.0.30.20.10.10.0.0.10.0
21-40%0.00.00.10.10.20.20.20.20.60.30.0.0.10.0
41-60%0.10.10.30.20.30.21.10.41.30.40.40.20.50.1
61-80%0.70.20.60.31.10.42.10.63.50.71.00.41.20.1
over 80%4.00.43.50.64.60.85.40.94.50.84.60.84.30.3
total4.90.54.70.76.21.09.11.210.01.16.00.96.20.3
total0-20%0.90.22.80.53.00.72.00.62.70.62.30.52.00.2
21-40%1.60.34.80.75.70.910.71.310.81.16.20.85.20.3
41-60%3.70.411.61.010.91.218.01.621.61.510.41.110.30.4
61-80%9.10.621.71.320.01.625.01.830.41.720.81.518.20.5
over 80%84.60.759.21.460.41.744.42.034.71.760.31.764.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859420/325751
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