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NFI4b
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 NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
outside of perimeterno gap37.21.521.72.627.93.612.53.513.12.529.84.930.31.1
small gap37.61.532.02.926.73.525.84.625.83.220.84.433.31.1
medium gap12.31.022.12.616.13.025.84.623.23.118.54.216.00.9
large gap11.61.024.12.728.73.634.85.136.83.630.95.019.30.9
very large gap1.30.4.0.00.60.61.11.11.10.8.0.01.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap37.23.921.22.332.33.216.22.412.52.329.52.524.41.1
small gap42.34.033.32.731.13.230.63.025.53.035.72.732.91.2
medium gap10.32.420.52.314.72.421.42.725.02.913.81.917.91.0
large gap10.32.423.72.420.02.730.13.034.33.220.32.223.51.1
very large gap.0.01.30.61.80.91.70.92.81.10.60.41.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap37.21.421.41.730.42.415.12.012.81.729.62.327.70.8
small gap38.21.432.72.029.22.429.22.625.62.232.62.333.20.8
medium gap12.10.921.21.715.31.922.62.324.22.114.81.816.80.7
large gap11.40.923.91.823.72.231.52.635.42.422.52.121.20.7
very large gap1.20.30.70.41.30.61.60.72.00.70.50.31.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151237/137617
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