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NFI4b
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
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap37.21.524.42.631.83.617.23.815.02.530.04.531.21.1
small gap37.61.531.82.924.53.325.04.323.73.021.24.032.61.1
medium gap12.31.021.02.514.72.722.94.222.32.918.63.915.70.8
large gap11.61.022.82.628.43.534.04.736.93.429.14.519.40.9
very large gap1.30.4.0.00.60.61.01.02.01.01.01.01.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap41.26.040.97.438.16.916.94.316.15.231.55.430.22.4
small gap32.45.729.56.934.06.735.15.426.06.235.65.632.62.5
medium gap16.24.513.65.28.03.818.24.424.06.010.93.715.21.9
large gap10.33.711.44.818.05.429.95.232.06.622.04.920.92.1
very large gap.0.04.53.12.02.0.0.02.02.0.0.01.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap34.15.117.82.330.23.516.02.912.82.528.92.822.61.2
small gap50.05.333.82.930.13.528.23.624.83.336.33.033.01.4
medium gap5.72.521.62.517.42.922.43.324.33.314.32.218.51.2
large gap10.23.226.02.720.53.130.23.735.33.619.72.524.41.3
very large gap.0.00.70.51.71.03.21.42.91.30.80.61.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap37.21.422.61.731.92.416.62.014.21.729.62.228.20.8
small gap38.21.432.61.928.22.328.82.524.42.132.62.332.70.8
medium gap12.00.920.71.715.01.821.62.323.32.114.81.716.60.6
large gap11.50.923.41.823.62.231.22.535.62.322.32.021.20.7
very large gap1.20.30.70.31.30.61.80.72.40.70.70.41.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151309/137689
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