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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 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 gap32.91.010.21.011.21.24.00.85.40.86.30.916.90.5
small gap32.51.014.41.115.01.48.21.112.21.24.90.819.00.5
medium gap9.90.610.00.97.41.06.71.110.11.14.00.78.60.4
large gap9.70.611.11.010.71.211.01.316.21.46.00.810.50.4
very large gap1.20.20.40.20.80.40.20.20.60.30.10.10.70.1
total86.20.746.01.645.02.030.11.944.51.821.31.555.60.6
inside perimeterno gap5.50.513.01.115.31.410.51.37.31.025.41.611.20.4
small gap5.40.519.01.219.31.523.51.714.01.326.31.614.90.5
medium gap1.70.310.51.08.61.114.21.412.71.211.71.27.90.3
large gap1.20.210.61.010.91.220.31.719.71.514.71.39.80.4
very large gap0.10.10.80.30.80.31.40.51.70.50.50.30.70.1
total13.80.754.01.655.02.069.91.955.51.878.71.544.40.6
totalno gap38.41.023.21.326.51.714.51.512.71.231.71.728.00.6
small gap37.91.033.41.534.31.931.81.926.21.631.21.733.80.6
medium gap11.60.720.51.316.01.520.91.722.81.615.71.316.50.5
large gap10.90.721.71.321.61.631.21.936.01.820.71.420.30.5
very large gap1.20.21.20.31.60.51.60.52.30.60.60.31.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #875818/342150
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