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NFI2

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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a............
less than 10 years ago61.513.5..31.47.929.73.58.64.728.72.8
11-20 years ago15.410.0..25.77.418.93.014.45.919.02.4
21-30 years ago7.77.4..25.77.418.32.98.64.717.42.4
31-40 years ago15.410.0..5.73.913.12.614.35.912.42.0
41-50 years ago....2.92.86.31.82.92.85.01.4
over 50 years ago....8.54.713.72.651.48.517.52.4
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a......0.10.1..0.00.0
less than 10 years ago54.32.269.31.844.82.231.71.710.91.845.20.9
11-20 years ago27.92.021.41.629.32.019.61.59.91.722.50.8
21-30 years ago8.61.25.10.910.31.311.01.29.01.68.80.5
31-40 years ago5.01.01.70.54.30.99.01.19.91.75.70.4
41-50 years ago1.50.50.90.43.90.87.10.915.92.14.90.4
over 50 years ago2.70.71.60.57.31.121.41.544.32.912.80.6
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 #156528/142907
search result: 1 entry on 1 page

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