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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 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 gap32.91.011.01.013.01.35.00.97.10.97.90.917.30.5
small gap32.51.014.81.115.91.49.31.215.01.36.50.819.40.5
medium gap9.90.69.80.97.61.07.71.110.81.15.70.88.90.4
large gap9.70.611.41.010.71.211.41.316.21.36.20.810.60.4
very large gap1.20.20.40.20.80.30.20.20.60.30.10.10.70.1
total86.20.747.41.647.91.933.51.849.71.726.41.456.90.6
inside perimeterno gap5.50.512.71.014.41.39.91.26.90.924.21.410.90.4
small gap5.40.518.61.218.41.522.71.712.71.224.71.514.50.4
medium gap1.70.310.30.98.01.013.41.411.31.110.51.07.50.3
large gap1.20.210.30.910.61.219.11.617.81.313.71.29.50.4
very large gap0.10.10.80.30.70.31.30.51.50.40.50.20.60.1
total13.80.752.61.652.11.966.51.850.31.773.61.443.10.6
totalno gap38.41.023.61.327.41.714.91.414.01.232.11.628.20.6
small gap37.91.033.41.534.31.832.01.927.71.631.21.633.90.6
medium gap11.60.720.11.315.61.421.11.722.11.516.21.316.50.5
large gap10.90.721.71.321.31.530.51.933.91.619.91.320.20.5
very large gap1.20.21.20.31.50.51.50.52.20.50.60.31.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #885775/352107
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