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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
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 gap33.41.012.71.015.31.36.81.08.71.08.50.918.30.5
small gap32.51.014.91.115.81.49.71.214.91.27.10.919.30.5
medium gap9.90.69.50.97.61.07.81.110.61.15.90.88.90.4
large gap9.80.611.00.910.61.112.01.316.01.26.30.810.70.4
very large gap1.20.20.40.20.70.30.20.20.80.30.20.20.70.1
total86.80.748.61.550.01.836.31.851.01.728.01.457.90.5
inside perimeterno gap3.20.410.50.912.31.28.01.15.40.821.01.48.80.3
small gap3.50.416.71.115.51.318.41.510.11.022.21.412.20.4
medium gap0.70.29.40.96.70.911.81.38.70.99.91.06.40.3
large gap0.80.29.70.99.51.115.91.414.71.213.21.18.50.3
very large gap0.10.10.60.20.70.31.20.41.20.40.40.20.60.1
total8.40.647.01.544.61.855.41.940.11.666.71.536.30.5
outside perimeterno gap1.90.32.00.41.80.51.60.52.00.52.60.52.00.2
small gap1.70.31.20.31.90.53.20.72.20.52.10.51.90.2
medium gap0.90.20.50.21.20.40.80.32.10.50.30.20.90.1
large gap0.30.10.60.20.60.32.50.62.30.50.20.20.90.1
very large gap0.0.0.10.10.0.0.20.20.20.20.0.0.10.0
total4.90.54.40.65.50.88.21.18.91.05.30.85.80.3
totalno gap38.61.025.31.329.31.716.41.516.21.232.11.529.10.6
small gap37.81.032.91.433.11.731.31.827.21.531.41.633.40.6
medium gap11.60.719.51.215.51.320.41.621.41.416.11.216.20.5
large gap10.90.721.21.220.61.530.31.833.01.619.71.320.00.5
very large gap1.20.21.10.31.40.41.60.52.30.50.70.31.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #875874/342206
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