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NFI1

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: terrestrial grid NFI1
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a....1.61.10.50.30.70.70.60.3
less than 10 years ago51.38.049.935.448.84.533.11.813.82.933.01.5
11-20 years ago20.56.5..24.43.919.11.516.63.119.41.3
21-30 years ago15.45.8..10.62.814.91.412.42.713.91.1
31-40 years ago2.62.5..7.32.38.51.112.42.78.70.9
41-50 years ago......4.70.812.42.75.00.7
over 50 years ago10.24.850.135.47.32.319.31.531.83.919.31.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.90.20.30.10.30.10.60.1..0.50.1
less than 10 years ago66.11.178.40.960.41.136.70.915.81.154.10.5
11-20 years ago18.40.913.80.718.80.916.90.711.60.916.30.4
21-30 years ago5.40.53.10.46.90.611.60.612.00.97.60.3
31-40 years ago2.70.41.10.24.30.58.80.517.21.16.00.2
41-50 years ago0.70.20.30.11.70.33.80.49.70.92.70.2
over 50 years ago5.60.53.10.47.70.621.60.833.71.413.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.90.20.30.10.30.10.60.10.10.10.50.1
less than 10 years ago65.81.178.30.959.71.136.00.815.61.052.20.4
11-20 years ago18.50.913.80.719.10.917.30.712.20.916.50.4
21-30 years ago5.60.53.10.47.10.612.20.612.00.98.10.3
31-40 years ago2.70.41.10.24.40.48.80.516.61.06.20.2
41-50 years ago0.70.20.30.11.60.34.00.310.00.82.90.2
over 50 years ago5.70.53.20.47.70.621.20.733.51.313.50.3
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 #155693/142072
search result: 1 entry on 1 page

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