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NFI4
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%1.50.41.40.41.30.50.60.30.90.91.20.2
21-40%1.10.42.00.44.51.08.81.22.01.43.50.3
41-60%6.80.95.20.716.31.725.11.815.63.611.60.6
61-80%18.51.416.71.229.32.136.52.126.54.423.40.8
over 80%72.11.574.71.248.62.229.01.954.94.960.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.1.70.70.0.1.10.5
21-40%4.24.10.0.3.32.36.01.43.32.35.11.0
41-60%4.24.10.0.17.44.819.22.216.44.817.81.8
61-80%21.38.50.0.31.15.833.52.730.95.932.22.2
over 80%70.39.40.0.48.26.339.72.849.46.443.82.3
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.1.11.11.10.51.20.40.70.41.00.2
21-40%0.0.0.0.4.40.95.50.81.50.63.50.4
41-60%1.91.10.90.97.01.221.41.56.41.111.70.7
61-80%14.72.812.83.328.22.133.31.723.21.927.11.0
over 80%83.43.085.23.559.32.238.61.768.32.156.71.1
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.20.41.30.31.10.31.10.30.60.31.10.1
21-40%1.00.31.80.44.40.66.70.61.70.53.60.3
41-60%5.90.84.80.612.11.022.21.08.91.112.10.4
61-80%18.01.216.41.128.91.434.51.224.51.725.50.6
over 80%73.91.475.61.153.51.435.51.164.31.957.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863439/329770
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