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NFI3
number of forest plots
avalanches SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
n/an/a0.50.20.50.21.70.42.90.34.70.62.10.2
no gap48.01.554.91.417.31.116.10.712.11.027.60.5
small gap13.91.013.61.010.20.97.10.53.20.59.30.3
medium gap8.10.88.70.87.90.87.20.53.80.67.30.3
large gap10.50.910.20.89.40.810.50.64.50.69.40.3
very large gap0.80.33.10.51.70.40.80.20.30.21.30.1
total81.71.190.90.848.21.444.51.028.61.356.90.5
inside perimetern/a0.0.0.0.0.20.10.70.20.0.0.30.1
no gap1.40.40.10.12.10.43.60.42.00.42.10.2
small gap0.40.20.0.1.40.33.50.42.30.51.90.2
medium gap0.20.10.0.0.80.23.60.41.80.41.70.1
large gap0.40.20.0.1.20.34.30.41.60.42.00.2
very large gap0.0.0.0.0.20.10.40.10.10.10.20.1
total2.30.50.10.16.00.716.20.77.70.88.10.3
outside perimetern/a0.10.10.10.11.00.32.00.34.00.61.50.1
no gap9.00.85.40.618.21.19.00.628.21.412.80.4
small gap2.90.51.80.49.60.89.10.611.91.07.30.3
medium gap2.50.50.60.28.30.87.50.57.20.85.60.3
large gap1.50.41.00.37.50.710.50.611.41.07.00.3
very large gap0.0.0.10.11.20.31.30.20.90.30.80.1
total16.01.19.00.845.81.439.31.063.61.435.00.5
totaln/a0.50.20.50.22.90.55.50.58.80.93.90.2
no gap58.41.460.31.337.61.328.70.942.21.542.50.6
small gap17.11.115.41.021.21.119.80.817.41.218.50.5
medium gap10.80.99.30.817.01.118.30.812.81.014.50.4
large gap12.31.011.30.918.11.125.30.917.51.218.40.4
very large gap0.80.33.10.53.10.52.40.31.30.42.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887359/353691
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