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NFI3
number of forest plots
landslide/mudflow SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap61.21.134.62.242.22.922.03.124.22.435.03.748.70.8
small gap14.90.822.21.919.12.325.23.318.42.216.72.917.30.7
medium gap10.20.720.51.914.62.123.73.321.62.323.13.314.60.6
large gap12.00.720.91.922.02.427.93.534.62.723.73.317.80.7
very large gap1.70.31.80.62.10.81.20.91.30.61.30.91.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap60.64.549.75.956.55.827.24.122.04.546.54.343.72.0
small gap12.73.117.94.511.23.732.94.319.94.320.13.519.81.6
medium gap12.53.08.43.312.43.923.33.933.05.116.33.217.81.6
large gap14.23.221.24.715.54.315.73.325.14.717.13.217.71.6
very large gap0.0.2.81.94.42.50.90.90.0.0.0.1.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap59.63.732.32.240.02.924.42.511.41.842.72.333.71.0
small gap21.13.123.31.915.72.226.52.623.92.420.11.921.80.9
medium gap10.22.320.51.918.62.321.92.421.82.313.61.618.10.9
large gap9.12.221.31.922.32.526.52.639.72.821.31.924.01.0
very large gap0.0.2.60.73.51.10.70.53.21.02.30.72.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap61.11.034.71.542.81.924.21.818.31.441.71.743.10.6
small gap15.30.822.41.316.71.527.41.921.01.519.41.419.10.5
medium gap10.30.719.61.316.11.422.71.723.01.616.11.316.10.5
large gap11.90.721.11.321.41.624.71.835.71.821.11.519.90.5
very large gap1.50.32.20.53.00.70.90.42.00.51.70.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887467/353799
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