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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%1.10.22.60.72.81.03.01.33.81.13.11.41.90.2
21-40%1.80.37.01.29.01.724.03.311.51.815.92.86.00.4
41-60%3.90.414.41.612.61.922.73.222.02.318.93.09.70.5
61-80%9.00.721.71.923.12.523.13.228.02.525.73.415.50.6
over 80%84.20.854.22.252.52.827.23.334.82.636.43.766.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.2.70.73.51.01.20.61.90.82.20.62.10.3
21-40%0.0.2.90.82.91.05.41.211.11.73.90.84.50.4
41-60%2.31.19.41.310.01.716.52.023.12.38.21.111.80.7
61-80%7.62.022.41.917.42.126.22.331.62.619.71.721.80.9
over 80%90.12.262.52.166.12.650.62.632.32.565.92.059.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.4.43.00.0.3.72.61.41.40.0.1.40.6
21-40%0.90.92.22.22.52.51.91.95.82.80.0.2.30.8
41-60%2.91.66.43.65.53.812.14.612.73.96.53.67.41.4
61-80%13.43.313.25.018.56.322.85.834.95.616.05.519.92.1
over 80%82.93.773.96.573.57.159.56.845.25.877.56.369.12.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
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 #859489/325820
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