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NFI1

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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a......0.30.20.30.30.20.1
less than 10 years ago53.44.962.76.853.12.935.31.914.42.137.41.3
11-20 years ago18.53.819.65.625.12.519.01.610.51.818.61.1
21-30 years ago13.63.45.93.37.81.514.61.410.81.811.80.9
31-40 years ago3.91.92.01.94.61.29.61.216.12.29.10.8
41-50 years ago1.91.4..2.60.94.10.815.02.15.80.6
over 50 years ago8.72.89.84.26.81.417.11.532.92.817.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetern/a1.40.60.20.20.40.40.30.3..0.60.2
less than 10 years ago70.02.279.11.764.43.037.72.87.93.864.61.2
11-20 years ago16.91.813.71.414.92.213.82.019.75.614.90.9
21-30 years ago7.21.23.20.76.51.511.51.89.84.26.50.6
31-40 years ago1.40.60.80.46.11.56.21.419.75.63.40.4
41-50 years ago..0.20.21.90.84.61.25.93.31.40.3
over 50 years ago3.20.92.90.75.71.425.92.537.16.88.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.10.50.20.20.20.20.30.20.30.30.40.1
less than 10 years ago66.82.077.81.658.32.136.11.613.41.952.40.8
11-20 years ago17.21.614.11.420.41.717.31.311.91.816.60.7
21-30 years ago8.41.23.40.77.21.113.51.110.71.78.90.5
31-40 years ago1.90.60.90.45.30.98.50.916.62.05.90.4
41-50 years ago0.40.30.20.22.30.64.30.713.61.93.30.3
over 50 years ago4.30.93.40.76.31.020.01.333.52.612.50.6
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 #155444/141823
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