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NFI4b
number of forest plots
protection forest perimeter SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
outside of perimeterno gap41.12.434.22.024.52.714.52.041.06.931.21.1
small gap35.82.339.32.033.02.929.12.623.66.035.01.2
medium gap10.61.513.71.419.52.523.02.417.75.415.60.9
large gap11.81.611.01.322.62.632.82.717.75.417.20.9
very large gap0.70.41.90.60.40.40.70.5.0.01.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap39.84.833.36.624.42.518.61.631.82.825.01.2
small gap36.94.853.07.034.52.729.11.836.42.833.41.3
medium gap11.73.25.93.319.92.321.21.712.92.017.81.0
large gap11.73.27.83.820.52.328.81.818.22.322.51.1
very large gap.0.0.0.00.70.52.30.60.70.51.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap40.92.134.21.924.51.817.21.333.22.628.40.8
small gap36.02.140.41.933.82.029.11.534.52.634.30.9
medium gap10.81.313.01.319.71.721.81.413.71.916.60.7
large gap11.81.410.71.221.51.730.11.518.12.119.60.7
very large gap0.60.31.70.50.50.31.80.40.60.41.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151279/137659
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