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NFI3

forest area: rockfall SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago44.416.6..26.37.120.88.316.715.217.47.123.24.1
11-20 years ago11.310.650.035.428.97.412.56.733.319.36.94.718.53.7
21-30 years ago11.110.550.035.413.25.54.24.1..6.94.79.32.8
31-40 years ago....5.33.64.44.333.319.36.94.76.52.4
41-50 years ago22.213.9..7.94.429.19.3..3.43.411.93.1
over 50 years ago11.110.5..18.46.329.19.316.715.258.59.230.54.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago56.82.276.41.643.91.724.22.929.52.812.11.848.00.9
11-20 years ago18.01.713.81.318.81.312.12.221.62.57.31.515.90.7
21-30 years ago14.91.65.70.910.91.17.21.711.21.96.71.49.60.5
31-40 years ago4.80.91.40.49.41.05.81.66.41.56.01.35.70.4
41-50 years ago2.50.71.30.44.90.79.01.95.61.48.91.64.40.4
over 50 years ago2.90.71.40.412.21.141.73.325.72.759.02.816.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago56.62.276.21.643.11.723.92.729.22.812.51.847.10.8
11-20 years ago17.91.713.91.319.21.312.12.121.92.57.31.416.00.7
21-30 years ago14.91.65.90.911.01.16.91.610.91.96.71.39.60.5
31-40 years ago4.80.91.40.49.21.05.71.56.91.56.11.35.70.4
41-50 years ago2.90.71.30.45.10.710.92.05.51.48.41.54.70.4
over 50 years ago3.00.81.40.412.41.140.53.125.52.659.02.716.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160206/146585
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