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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 gap43.61.863.53.358.13.251.62.659.82.112.82.318.81.822.02.213.32.017.13.413.72.86.61.010.71.27.51.027.10.5
small gap15.11.38.11.89.51.912.41.813.31.410.02.111.31.49.71.68.11.67.82.46.82.17.61.18.21.03.60.79.60.4
medium gap9.51.15.01.58.11.88.01.510.21.37.61.910.31.47.01.49.31.79.12.53.71.57.11.19.61.14.90.88.10.4
large gap10.41.111.02.110.32.013.01.88.71.29.02.010.21.310.21.69.21.712.22.97.52.18.41.215.41.35.10.810.00.4
very large gap0.30.20.90.63.71.21.30.62.30.61.10.81.00.41.10.60.30.31.61.10.0.0.40.30.60.30.30.20.90.1
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 perimeterno gap0.70.30.0.0.0.0.30.30.0.0.0.0.40.30.80.53.11.05.52.04.21.51.70.50.80.33.20.61.30.1
small gap0.50.30.0.0.0.0.0.0.0.0.40.40.0.0.0.1.00.61.41.00.60.61.50.50.30.20.90.40.50.1
medium gap0.90.30.60.60.0.0.0.0.0.0.0.0.0.0.0.0.40.43.01.51.51.12.00.60.80.31.20.40.70.1
large gap0.10.10.0.0.0.0.0.0.0.0.0.0.40.30.0.1.10.63.11.53.91.60.90.40.50.31.60.50.60.1
very large gap0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.90.90.0.0.10.10.30.20.10.0
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 perimeterno gap11.71.17.01.74.21.38.61.54.00.822.42.917.11.725.22.215.22.115.03.016.52.915.91.56.80.931.01.714.70.4
small gap2.80.62.21.03.41.21.90.71.10.410.72.012.21.57.81.411.51.96.02.18.62.318.31.612.51.214.91.39.00.4
medium gap2.10.51.30.70.90.61.10.50.0.13.52.49.31.38.81.59.71.75.32.011.02.613.51.412.61.29.91.17.30.3
large gap2.30.50.40.41.70.91.70.70.50.39.92.08.81.36.21.315.02.112.22.916.93.115.41.519.81.514.41.39.30.4
very large gap0.0.0.0.0.0.0.0.0.0.2.71.20.20.21.20.62.40.90.80.84.21.60.60.31.30.41.20.40.80.1
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
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 #885935/352267
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