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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
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%1.10.41.70.82.00.91.30.60.80.40.60.61.10.50.30.30.0.0.0.0.0.0.80.41.00.40.70.30.90.1
21-40%1.90.50.40.41.20.71.00.62.60.73.71.41.70.64.51.13.61.16.02.05.71.76.01.06.50.93.20.63.50.2
41-60%6.80.92.31.08.21.65.81.23.00.77.91.910.61.37.41.49.41.710.82.69.22.310.21.212.81.25.40.87.90.3
61-80%17.61.48.91.915.62.416.82.014.71.510.82.117.41.712.91.714.42.015.23.09.02.39.21.215.91.35.50.813.20.4
over 80%51.61.875.32.962.93.061.32.573.41.718.62.521.81.826.22.214.52.015.13.011.12.46.91.09.61.18.81.030.90.5
total79.01.488.62.189.92.086.21.894.51.041.63.452.62.251.32.642.02.847.24.235.03.733.21.845.81.823.71.556.40.6
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%0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.51.10.0.0.50.30.30.20.20.20.20.1
41-60%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.50.70.70.50.51.30.50.80.30.80.30.40.1
61-80%0.50.30.60.60.0.0.0.0.0.0.40.40.50.30.30.31.00.64.31.70.50.52.90.70.90.30.90.30.90.1
over 80%1.60.40.0.0.0.0.30.30.0.0.0.0.20.20.50.43.91.16.52.19.62.31.20.40.90.34.90.81.80.2
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.61.313.83.010.72.46.01.02.90.67.00.93.20.2
outside perimeter0-20%0.0.0.0.0.0.0.30.30.0.0.60.60.50.30.60.42.60.90.0.1.60.90.50.30.30.20.50.30.50.1
21-40%0.0.0.0.0.0.0.0.0.0.4.71.51.50.51.40.63.31.01.41.02.81.23.40.74.40.72.20.51.90.2
41-60%0.40.20.90.60.0.0.20.20.0.8.01.83.70.83.40.97.11.56.62.16.92.012.41.315.31.36.80.95.70.3
61-80%2.80.60.40.41.80.92.00.80.50.319.52.714.71.69.91.613.21.98.62.415.32.821.41.619.11.417.81.311.40.4
over 80%15.51.39.51.98.41.810.91.65.00.925.22.726.11.932.72.326.12.522.53.527.63.423.21.612.11.142.01.721.00.5
total18.81.410.82.010.12.013.51.85.51.058.03.446.62.247.92.652.42.939.04.154.33.960.91.951.31.869.31.640.40.6
total0-20%1.10.41.70.82.00.91.60.70.80.41.30.91.70.50.90.52.60.90.70.71.60.91.40.51.30.41.40.41.40.2
21-40%2.10.50.40.41.20.71.00.62.60.78.42.03.10.75.91.27.01.48.92.48.52.09.91.211.21.15.70.85.50.3
41-60%7.20.93.11.28.21.66.01.23.00.715.82.514.41.410.81.617.22.218.13.216.72.823.91.728.91.612.91.214.00.4
61-80%20.91.49.92.017.42.518.92.115.21.530.63.232.72.123.12.228.72.628.13.824.83.433.51.935.91.724.21.525.50.5
over 80%68.71.684.82.471.22.772.52.178.41.543.92.848.12.159.42.344.62.744.13.948.43.631.31.822.71.455.81.653.70.6
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 #861403/327734
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