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NFI4
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/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
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.30.52.00.92.31.01.50.70.90.41.81.81.60.80.60.60.0.0.0.0.0.0.90.90.80.50.90.91.20.2
21-40%1.30.50.50.51.40.81.10.62.80.75.02.82.00.98.32.24.72.34.33.011.84.912.13.09.01.82.01.43.50.3
41-60%8.01.13.11.28.61.86.41.43.00.819.04.718.52.411.02.518.74.226.56.219.76.725.64.027.62.815.63.611.50.6
61-80%21.61.79.72.117.42.719.42.315.21.625.85.134.03.124.43.337.65.230.76.523.37.034.54.340.43.126.54.423.40.8
over 80%67.81.984.72.570.33.071.42.478.11.648.55.544.03.155.63.738.95.138.56.645.28.026.93.922.22.654.94.960.40.8
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.........0.0.0.0.0.0.8.13.83.83.80.0.0.0.0.0.0.0.1.10.5
21-40%4.14.0........11.17.40.0.0.0.6.33.68.05.36.04.14.41.97.22.83.32.35.21.1
41-60%4.24.1........20.68.422.18.00.0.12.34.77.85.32.82.723.23.927.14.816.44.817.71.8
61-80%21.08.4........33.810.530.78.727.511.826.16.323.88.626.67.834.64.440.45.330.95.931.92.2
over 80%70.79.3........34.510.147.29.572.511.847.27.156.69.964.68.437.74.525.44.749.46.444.12.3
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.2.42.40.0.1.41.40.90.61.41.03.41.70.0.4.22.30.40.40.40.40.70.41.00.2
21-40%0.0.0.0.0.0.0.0.0.0.7.82.83.71.33.21.45.12.03.23.22.81.94.81.37.21.61.50.63.50.4
41-60%1.51.14.84.70.0.1.81.80.0.10.63.15.41.56.52.015.13.39.15.012.24.119.12.430.22.86.41.111.70.7
61-80%15.33.111.27.517.47.914.95.27.14.934.84.732.43.320.23.223.33.923.17.223.65.238.23.036.42.923.21.927.31.0
over 80%83.23.284.08.582.67.980.95.792.94.945.44.557.63.468.73.653.04.564.68.357.25.937.52.925.82.668.32.156.61.1
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%1.00.41.80.82.10.91.60.70.80.41.41.01.20.50.90.53.21.10.90.92.01.10.40.30.50.30.60.31.10.1
21-40%1.20.40.50.51.30.71.00.62.70.77.11.92.60.75.61.25.21.44.82.16.11.96.51.18.01.11.70.53.70.3
41-60%6.70.93.21.27.71.65.81.22.90.714.92.613.01.48.41.515.82.316.73.512.12.821.71.828.71.88.91.112.10.4
61-80%20.41.59.82.117.42.518.82.114.81.531.23.333.12.222.52.328.82.826.74.324.33.736.52.138.62.024.51.725.50.6
over 80%70.71.684.72.471.62.772.72.178.81.645.42.950.12.262.52.447.02.951.04.555.54.134.92.124.21.764.31.957.60.6
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 #863419/329750
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