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NFI3
number of forest plots
protection forest perimeter SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
outside of perimeterno gap60.71.534.63.246.84.327.85.716.53.146.97.050.51.2
small gap15.11.122.42.819.63.523.05.421.43.415.75.117.30.9
medium gap10.41.020.62.712.22.924.75.525.53.621.65.814.20.9
large gap12.11.021.12.719.23.522.95.435.94.011.84.516.30.9
very large gap1.70.41.30.82.31.31.61.60.70.74.02.81.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap55.24.034.32.744.83.526.03.015.02.644.72.936.51.3
small gap21.43.322.32.415.62.525.93.023.23.020.32.421.51.1
medium gap11.02.518.32.216.12.627.83.124.73.114.72.118.71.1
large gap12.32.722.32.419.22.819.82.735.03.419.62.421.61.1
very large gap.0.02.70.94.41.40.50.52.11.00.70.51.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap60.01.434.52.145.62.726.42.715.62.045.02.744.20.9
small gap15.91.122.31.817.22.125.32.622.42.319.62.219.20.7
medium gap10.50.919.31.714.51.927.12.725.12.415.82.016.20.7
large gap12.11.021.81.819.22.220.52.435.42.618.42.118.70.7
very large gap1.40.32.10.63.51.00.70.51.50.71.20.61.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151160/137540
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