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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: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
n/an/a0.50.20.50.22.90.76.50.815.82.23.60.3
no gap59.11.762.31.538.02.036.51.542.43.049.50.8
small gap16.81.313.71.120.81.715.61.211.21.915.80.6
medium gap10.31.19.90.916.51.616.71.214.22.113.10.6
large gap12.81.211.21.019.71.723.61.415.22.116.40.6
very large gap0.50.32.50.52.10.61.10.31.20.71.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0...2.92.14.21.10.0.3.20.8
no gap61.510.1..36.05.924.12.328.75.328.02.0
small gap12.97.0..24.95.319.92.130.35.421.61.8
medium gap8.55.8..10.63.822.02.221.94.919.91.8
large gap17.17.8..22.55.127.82.417.74.525.21.9
very large gap0.0...3.02.12.00.81.31.32.00.6
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a0.60.61.00.92.50.75.00.76.11.04.20.4
no gap56.83.961.04.841.62.223.01.445.22.037.31.0
small gap17.73.020.44.020.01.822.71.417.01.520.10.8
medium gap15.22.85.92.319.81.819.21.311.71.316.50.8
large gap9.72.311.73.214.61.627.51.518.31.620.10.8
very large gap0.0.0.0.1.70.62.60.51.60.51.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.20.50.22.70.55.50.58.50.93.80.2
no gap58.81.562.21.439.51.429.11.043.11.643.50.6
small gap16.91.214.31.020.71.219.10.816.31.217.80.5
medium gap11.11.09.50.917.61.118.60.813.21.114.80.4
large gap12.41.011.20.917.61.125.80.917.41.218.40.5
very large gap0.40.22.30.41.90.41.90.31.50.41.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887401/353733
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