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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%1.00.41.80.82.00.91.30.60.80.40.60.60.80.40.30.30.0.0.0.0.0.0.70.40.70.30.40.20.80.1
21-40%1.80.50.40.41.20.71.00.62.60.73.31.31.40.54.31.12.40.94.81.94.91.64.70.95.00.82.80.62.90.2
41-60%6.70.92.31.07.81.65.61.22.80.78.02.010.41.37.11.48.41.611.52.76.92.19.01.212.91.24.90.87.50.3
61-80%17.31.48.71.915.72.416.72.014.61.510.02.117.31.712.01.714.72.115.43.18.52.39.11.216.51.44.80.813.10.4
over 80%51.91.875.32.963.13.061.82.573.61.718.52.521.61.926.22.314.82.116.03.111.52.66.71.09.31.18.41.031.40.5
total78.81.488.52.189.82.086.31.894.41.040.53.551.52.249.92.640.32.947.74.431.83.830.11.944.51.821.31.555.70.6
inside perimeter0-20%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.10.10.00.0
21-40%0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.61.10.0.0.40.30.10.10.30.20.10.0
41-60%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.50.80.80.60.61.40.50.70.30.70.30.40.1
61-80%0.50.30.60.60.0.0.0.0.0.0.40.40.60.30.30.31.10.63.81.70.50.53.10.70.80.30.90.40.90.1
over 80%1.60.40.0.0.0.0.30.30.0.0.0.0.20.20.50.44.11.26.22.29.92.51.30.51.00.45.20.81.80.2
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.91.413.13.011.02.66.21.02.60.67.20.93.20.2
outside perimeter0-20%0.0.0.0.0.0.0.30.30.0.0.60.60.60.30.60.42.70.90.0.1.81.00.40.30.30.20.50.30.50.1
21-40%0.0.0.0.0.0.0.0.0.0.4.81.61.50.51.40.63.51.11.51.13.11.33.20.74.60.82.20.51.90.2
41-60%0.40.20.90.60.0.0.20.20.0.8.11.93.50.83.20.97.41.66.22.17.62.113.01.415.91.46.90.95.70.3
61-80%2.90.60.40.41.80.92.00.80.50.319.92.815.11.610.21.613.72.08.42.515.83.022.51.719.51.418.01.411.50.4
over 80%15.71.39.71.98.41.810.71.65.00.925.72.726.92.033.82.426.52.523.13.629.03.624.61.712.71.243.81.721.50.5
total18.91.411.02.110.22.013.31.85.61.059.13.547.72.249.22.653.82.939.24.357.24.163.71.952.91.871.41.641.10.6
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 #861398/327729
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