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NFI4
number of forest plots
processes in channels SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap33.41.011.81.013.01.35.50.96.70.96.70.917.70.5
small gap32.51.014.81.114.51.48.91.212.21.25.70.818.90.5
medium gap10.00.69.70.97.31.07.21.09.81.14.70.78.60.4
large gap9.80.610.70.910.91.211.51.316.31.36.30.810.60.4
very large gap1.20.20.40.20.80.30.20.20.80.30.20.20.70.1
total86.80.747.31.546.51.933.21.845.81.823.71.556.50.6
inside perimeterno gap3.20.410.71.013.11.38.41.15.50.822.11.58.90.4
small gap3.50.417.11.216.61.419.11.611.21.123.31.512.50.4
medium gap0.70.29.70.97.31.012.51.39.81.110.71.16.70.3
large gap0.80.210.00.99.91.116.81.516.51.313.91.28.70.4
very large gap0.10.10.70.30.70.31.30.51.40.40.50.20.60.1
total8.40.648.21.547.61.958.21.944.31.870.51.637.40.5
outside perimeterno gap1.90.32.00.41.90.51.70.52.20.52.70.62.10.2
small gap1.70.31.20.42.10.53.30.72.40.62.40.52.00.2
medium gap0.90.20.60.21.30.40.80.42.40.60.40.21.00.1
large gap0.30.10.60.20.60.32.60.62.60.60.30.20.90.1
very large gap0.0.0.10.10.0.0.20.20.30.20.0.0.10.0
total4.90.54.50.75.90.98.71.19.81.15.80.86.10.3
totalno gap38.51.024.51.328.01.715.61.514.41.331.61.628.70.6
small gap37.81.033.11.533.21.831.41.925.81.631.41.633.50.6
medium gap11.60.720.01.215.91.420.51.621.91.515.71.316.30.5
large gap10.90.721.21.221.41.630.91.935.51.720.51.420.30.5
very large gap1.20.21.20.31.50.51.70.52.40.60.70.31.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #875873/342205
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