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NFI2

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a8.61.911.83.012.21.312.20.911.31.311.70.6
less than 10 years ago37.63.352.14.638.01.926.21.210.31.227.30.8
11-20 years ago23.82.918.53.624.41.717.91.19.61.218.00.7
21-30 years ago9.52.05.92.211.71.311.30.98.51.110.40.6
31-40 years ago7.11.82.51.44.30.89.80.89.21.27.90.5
41-50 years ago4.81.51.71.22.80.76.50.713.31.46.80.5
over 50 years ago8.61.97.62.46.61.016.11.037.81.917.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetern/a11.31.112.10.914.01.413.81.313.02.812.60.6
less than 10 years ago50.41.762.31.438.12.027.01.610.92.646.00.8
11-20 years ago24.01.418.51.125.51.817.51.412.32.720.60.7
21-30 years ago8.50.93.80.68.21.19.81.17.52.27.10.4
31-40 years ago2.80.61.40.33.40.86.40.99.62.43.50.3
41-50 years ago0.70.30.70.23.10.74.40.89.52.42.20.2
over 50 years ago2.30.51.30.37.71.121.11.537.34.08.10.4
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, 03.11.2014 #157839/144218
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