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NFI3

forest area: rockfall 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 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimeterless than 10 years ago44.516.6..12.511.724.65.517.47.123.24.1
11-20 years ago11.010.4100.0.37.517.121.35.26.94.718.53.7
21-30 years ago11.110.5..12.511.79.83.86.94.79.32.8
31-40 years ago....12.511.76.63.26.94.76.52.4
41-50 years ago22.213.9....16.44.73.43.412.03.1
over 50 years ago11.110.5..25.015.321.35.258.59.230.64.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago59.02.174.51.753.02.130.71.611.71.848.10.9
11-20 years ago17.31.614.61.417.71.618.01.37.11.515.90.7
21-30 years ago14.01.56.41.011.11.39.31.06.81.49.60.5
31-40 years ago4.60.91.70.57.01.18.51.05.81.35.70.4
41-50 years ago2.70.71.10.43.20.77.10.99.11.64.40.4
over 50 years ago2.50.71.70.58.01.126.41.559.42.816.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago58.82.174.41.752.52.130.31.512.21.847.20.9
11-20 years ago17.21.614.81.418.01.618.31.37.11.416.00.7
21-30 years ago14.01.56.41.011.11.39.41.06.81.49.60.5
31-40 years ago4.50.91.70.57.01.18.40.95.91.35.70.4
41-50 years ago3.00.71.10.43.20.77.70.98.61.54.60.4
over 50 years ago2.60.71.70.58.31.226.11.559.32.716.90.6
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 #160210/146589
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