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NFI3
number of forest plots
rockfall SilvaProtect · area of largest gap (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
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ano gap55.32.071.83.264.73.259.82.863.32.131.75.036.53.044.03.733.14.335.86.143.27.122.03.124.22.435.03.748.70.8
small gap19.11.69.22.110.62.114.32.014.11.524.74.721.92.619.43.020.23.816.24.721.56.125.23.318.42.216.72.917.20.7
medium gap12.01.35.61.79.02.09.31.710.81.418.74.520.12.513.92.623.13.919.24.911.64.523.73.321.62.323.13.314.50.6
large gap13.11.412.42.311.52.215.12.19.21.322.14.619.72.520.43.022.83.925.55.623.76.127.93.534.62.723.73.317.90.7
very large gap0.40.31.00.74.21.41.50.72.50.72.71.91.90.82.31.10.80.83.32.30.0.1.20.91.30.61.30.91.60.2
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 perimeterno gap32.911.10.0...100.0...0.0.52.825.0100.0.53.412.142.211.837.811.727.47.431.610.844.66.839.93.6
small gap23.110.10.0...0.0...100.0.0.0.0.0.17.09.011.17.35.45.325.17.310.97.213.04.615.22.6
medium gap38.611.5100.0...0.0...0.0.0.0.0.0.6.36.122.910.113.48.933.07.931.910.817.05.222.53.1
large gap5.45.30.0...0.0...0.0.47.225.00.0.18.39.523.910.335.511.814.46.020.39.121.85.619.62.9
very large gap0.0.0.0...0.0...0.0.0.0.0.0.5.04.90.0.8.07.60.0.5.35.23.62.52.81.2
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 perimeterno gap61.94.063.99.741.110.164.66.970.98.237.94.335.83.251.33.728.23.638.26.628.74.725.02.312.81.743.42.135.71.0
small gap14.92.920.48.133.69.714.45.019.67.218.13.325.62.815.82.721.43.315.25.015.13.928.72.423.72.220.91.721.80.8
medium gap10.92.611.96.58.45.78.34.00.0.22.83.919.62.717.82.918.13.113.44.819.34.321.32.123.82.213.91.517.80.8
large gap12.22.73.93.816.97.712.84.99.55.216.73.318.52.512.62.527.93.631.26.529.64.924.22.237.42.520.21.722.70.8
very large gap0.0.0.0.0.0.0.0.0.0.4.52.00.50.52.51.24.41.61.91.97.32.70.90.52.40.81.60.52.00.3
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.
totalno gap56.11.870.53.162.33.160.62.663.82.035.23.136.32.148.02.631.62.737.64.134.33.624.21.818.31.441.71.743.10.6
small gap18.41.410.42.012.92.214.31.914.41.521.12.723.51.917.52.020.62.415.23.116.13.027.41.921.01.519.41.419.00.5
medium gap12.41.26.81.78.91.99.11.510.21.321.02.919.71.815.71.919.42.317.43.216.23.022.71.723.01.616.11.316.20.5
large gap12.81.211.42.112.12.114.71.99.21.218.82.719.41.716.41.925.32.627.54.028.43.724.71.835.71.821.11.519.90.5
very large gap0.30.20.90.63.71.21.30.62.30.63.81.41.20.52.40.83.01.02.31.35.11.80.90.42.00.51.70.51.80.2
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 #887297/353629
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