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NFI4
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
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%1.40.31.60.50.80.52.21.01.80.64.41.31.70.2
21-40%1.90.36.21.112.51.718.12.513.91.614.82.26.90.4
41-60%6.20.521.91.818.12.029.73.027.72.123.02.614.80.6
61-80%17.90.931.32.028.22.327.52.935.12.324.32.723.90.7
over 80%72.50.939.12.140.42.422.52.721.41.933.42.952.60.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.60.62.20.71.50.70.90.50.90.51.20.41.30.2
21-40%0.0.5.21.03.71.05.51.28.81.53.60.84.80.4
41-60%2.21.111.31.410.81.721.82.232.42.510.41.215.10.7
61-80%12.12.430.32.124.02.435.72.537.02.624.61.728.40.9
over 80%85.12.650.92.260.12.636.22.520.82.160.21.950.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.4.43.02.52.50.0.1.31.30.0.1.10.6
21-40%0.90.92.22.25.13.57.83.76.72.90.0.3.61.0
41-60%0.90.910.84.60.0.12.94.619.84.68.54.18.71.5
61-80%18.03.724.06.315.65.940.16.733.35.319.75.925.12.3
over 80%80.23.958.77.376.76.839.26.538.85.571.96.661.52.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.30.22.00.41.20.41.30.51.40.42.00.51.50.2
21-40%1.70.35.60.78.11.010.31.211.21.06.60.86.00.3
41-60%5.60.516.41.113.91.223.91.728.91.513.81.114.60.4
61-80%17.40.830.51.425.61.633.01.835.71.624.21.425.60.5
over 80%73.90.945.51.451.21.731.51.822.71.453.31.652.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859496/325827
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