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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
grid: terrestrial grid NFI2
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a8.05.4..12.23.810.31.610.93.710.51.3
less than 10 years ago47.910.0..33.85.525.82.312.33.826.21.9
11-20 years ago20.08.0..25.75.118.02.011.03.718.21.7
21-30 years ago8.05.4..13.54.013.11.810.93.712.61.4
31-40 years ago8.05.4..4.12.311.11.78.23.29.61.3
41-50 years ago....2.71.95.61.24.12.34.70.9
over 50 years ago8.05.4..8.13.216.11.942.55.818.31.7
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a10.80.912.10.913.11.013.30.811.61.212.30.4
less than 10 years ago48.01.561.41.338.31.426.61.110.21.138.70.6
11-20 years ago24.01.318.51.124.81.317.70.910.11.119.60.5
21-30 years ago8.70.94.00.59.80.910.30.78.01.08.20.4
31-40 years ago3.50.61.50.33.80.68.00.79.31.15.10.3
41-50 years ago1.50.40.80.23.00.55.70.613.51.34.20.3
over 50 years ago3.40.61.80.47.10.818.31.037.21.811.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a10.80.912.10.913.11.012.80.711.61.212.20.4
less than 10 years ago48.01.561.41.338.01.426.51.010.41.137.70.6
11-20 years ago23.91.318.51.124.91.217.80.910.11.119.50.5
21-30 years ago8.70.84.00.510.00.910.80.78.31.08.60.3
31-40 years ago3.60.61.50.33.90.68.50.69.21.05.40.3
41-50 years ago1.50.40.80.23.00.55.70.512.61.24.30.2
over 50 years ago3.50.61.80.47.10.717.90.937.71.712.40.4
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 #157437/143816
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