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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimeterless than 10 years ago30.812.8..22.97.125.13.311.55.423.22.6
11-20 years ago23.011.7..25.77.419.43.08.64.719.02.4
21-30 years ago15.410.0..11.45.414.32.68.64.713.22.1
31-40 years ago23.111.7..5.73.97.42.02.92.87.41.6
41-50 years ago....20.06.88.02.15.73.99.01.8
over 50 years ago7.77.4..14.35.925.73.362.88.228.32.8
total100.0...100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago55.32.275.31.746.52.226.21.610.91.845.70.9
11-20 years ago24.11.914.01.425.31.918.61.48.01.618.80.7
21-30 years ago7.51.15.60.98.11.213.21.36.61.48.60.5
31-40 years ago4.80.92.30.67.91.27.41.05.31.35.60.4
41-50 years ago3.80.80.90.44.10.97.10.97.61.54.50.4
over 50 years ago4.60.91.90.58.11.227.51.661.62.816.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago54.72.275.31.745.12.126.01.511.01.743.80.8
11-20 years ago24.11.814.01.425.31.818.81.38.01.518.80.7
21-30 years ago7.61.15.60.98.31.213.41.16.81.49.00.5
31-40 years ago5.21.02.30.67.71.17.40.95.01.25.70.4
41-50 years ago3.70.80.90.45.10.97.30.97.41.44.90.4
over 50 years ago4.70.91.90.58.51.227.21.561.72.717.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163361/149741
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