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NFI2

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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a............
less than 10 years ago33.315.7100.0.50.017.731.15.96.94.726.84.3
11-20 years ago22.213.9..12.511.718.04.913.96.516.73.6
21-30 years ago....12.511.713.24.310.35.711.13.0
31-40 years ago22.213.9....11.54.13.43.49.22.8
41-50 years ago11.110.5..12.511.74.92.813.86.48.42.7
over 50 years ago11.110.5..12.511.721.35.251.79.327.84.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a......0.10.1..0.00.0
less than 10 years ago54.82.269.21.843.92.131.41.611.01.844.50.9
11-20 years ago27.72.021.51.629.31.919.61.410.11.722.40.8
21-30 years ago8.71.25.10.911.31.312.41.18.81.69.50.5
31-40 years ago4.90.91.70.54.50.99.71.011.01.86.10.4
41-50 years ago1.30.50.90.43.80.87.10.914.62.04.80.4
over 50 years ago2.50.71.60.57.31.119.81.444.42.812.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a......0.10.1..0.00.0
less than 10 years ago54.52.269.31.844.02.131.31.510.71.743.80.9
11-20 years ago27.61.921.41.629.01.919.51.310.41.722.20.8
21-30 years ago8.61.25.10.911.31.312.41.18.91.69.50.5
31-40 years ago5.21.01.70.54.40.99.81.010.41.76.20.4
41-50 years ago1.50.50.90.43.90.86.90.814.61.94.90.4
over 50 years ago2.60.71.60.57.41.119.91.345.02.713.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156392/142771
search result: 1 entry on 1 page

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