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NFI4
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.30.52.00.92.21.01.50.70.80.41.61.61.50.70.60.50.0.0.0.0.0.2.41.21.60.71.91.11.30.2
21-40%2.30.60.50.51.30.81.10.62.80.78.33.22.61.08.72.16.02.210.03.915.44.915.72.811.31.812.92.65.20.4
41-60%8.61.12.61.28.71.86.41.43.00.719.84.520.32.414.22.620.83.824.15.421.76.129.73.529.02.523.23.313.50.6
61-80%22.01.79.82.217.52.619.42.315.41.624.84.733.62.924.13.236.54.432.35.926.86.530.13.537.22.722.73.323.50.7
over 80%65.91.885.12.570.32.971.52.477.91.645.65.142.03.052.53.536.64.433.65.736.26.822.13.120.82.239.43.856.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0...0.0...0.0.0.0.0.0.0.0.5.55.40.0.0.0.0.0.1.81.81.00.7
21-40%5.55.40.0...0.0...0.0.0.0.0.0.0.0.12.28.10.0.6.14.25.35.23.62.54.31.5
41-60%0.0.0.0...0.0...0.0.0.0.0.0.11.67.75.85.65.45.322.47.026.710.29.23.911.72.3
61-80%22.910.0100.0...0.0...100.0.70.424.039.429.218.69.629.211.15.04.950.28.431.010.613.04.626.63.2
over 80%71.610.60.0...100.0...0.0.29.624.060.629.269.811.247.312.289.67.021.26.736.911.172.56.156.33.6
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.2.52.40.0.1.11.11.20.71.20.95.11.70.0.3.11.70.60.40.60.40.70.41.10.2
21-40%0.0.0.0.0.0.0.0.0.0.8.12.63.21.12.91.36.41.93.92.65.42.35.11.28.61.43.10.74.50.4
41-60%2.11.27.95.40.0.1.81.80.0.13.73.17.41.76.51.913.82.815.85.213.23.620.42.130.02.39.61.213.90.7
61-80%15.13.03.93.817.47.915.35.39.55.233.64.231.73.120.73.125.53.521.45.827.64.835.32.536.82.425.21.828.10.9
over 80%82.83.188.26.482.67.980.45.890.55.243.54.056.53.268.63.449.23.959.06.950.75.138.72.524.02.161.32.052.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.00.41.80.82.00.91.60.70.80.41.30.91.30.50.90.52.70.90.70.71.81.01.10.41.00.41.10.41.20.1
21-40%2.00.50.40.41.20.71.00.62.60.78.12.02.90.75.81.25.91.47.92.47.92.08.31.19.81.15.20.84.90.3
41-60%7.10.93.21.27.81.65.81.22.80.716.12.514.01.410.31.616.52.218.43.315.02.923.31.829.51.712.51.213.60.4
61-80%20.71.49.72.017.52.518.82.115.11.530.33.233.02.122.62.229.52.727.63.924.93.534.62.036.81.823.81.525.50.6
over 80%69.21.685.02.471.52.772.82.178.61.544.22.848.82.160.52.345.32.745.44.050.43.832.61.923.01.557.41.754.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #861470/327801
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