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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
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..21.66.824.73.110.34.922.62.5
11-20 years ago23.011.7..27.07.318.42.87.74.318.32.3
21-30 years ago15.410.0..13.55.615.32.610.24.914.32.1
31-40 years ago23.111.7..5.43.77.92.07.74.38.31.6
41-50 years ago....18.96.47.41.95.13.58.31.7
over 50 years ago7.77.4..13.55.626.33.259.07.928.32.7
total100.0...100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago54.42.175.11.745.02.125.11.49.91.542.70.8
11-20 years ago24.51.814.01.424.61.816.61.27.11.317.80.7
21-30 years ago7.91.25.80.98.51.214.61.29.11.49.70.5
31-40 years ago4.80.92.30.67.61.18.70.98.31.46.40.4
41-50 years ago3.90.80.90.44.50.97.40.96.51.24.70.4
over 50 years ago4.40.92.00.59.91.227.71.559.22.518.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago53.92.175.11.743.62.025.01.39.91.441.10.8
11-20 years ago24.51.814.01.424.71.716.91.17.11.217.80.7
21-30 years ago8.11.25.80.98.81.114.71.19.21.410.00.5
31-40 years ago5.20.92.30.67.51.18.50.88.21.36.50.4
41-50 years ago3.80.80.90.45.40.97.40.86.41.25.00.4
over 50 years ago4.50.92.00.510.11.227.41.359.22.419.50.6
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 #161837/148216
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