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NFI4
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: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
outside of perimeterno gap38.01.121.02.023.32.712.02.910.71.937.24.830.80.8
small gap38.31.133.22.434.73.031.74.230.12.927.74.535.90.9
medium gap11.40.821.22.016.02.323.93.923.42.715.63.614.90.7
large gap11.00.723.72.123.82.731.64.234.63.019.53.917.10.7
very large gap1.40.31.00.52.10.90.90.91.20.70.0.1.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap39.92.923.61.928.42.515.21.811.91.734.02.125.40.9
small gap39.32.935.72.136.12.634.42.425.52.334.22.134.21.0
medium gap11.91.919.21.715.82.020.82.123.52.213.41.517.50.8
large gap8.51.620.01.718.22.128.02.335.82.517.61.721.40.8
very large gap0.40.41.50.51.50.71.60.73.21.00.80.41.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap38.21.122.41.426.21.814.41.611.41.334.51.928.40.6
small gap38.41.134.61.635.52.033.72.127.41.833.11.935.10.7
medium gap11.50.720.11.315.91.521.61.823.41.713.81.416.10.5
large gap10.60.721.61.320.61.728.92.035.31.917.91.519.00.5
very large gap1.30.21.30.41.70.51.40.52.40.60.60.31.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #875841/342173
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