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NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
outside of perimetern/a0.10.10.10.10.10.10.0.0.0.0.00.0
less than 10 years ago46.71.667.31.421.51.28.30.62.60.525.90.5
11-20 years ago16.91.214.21.011.20.95.90.52.00.59.40.4
21-30 years ago6.80.84.70.64.60.65.80.52.70.55.10.3
31-40 years ago4.30.62.00.43.30.54.50.44.40.73.80.2
41-50 years ago2.80.50.90.32.70.53.70.43.10.62.80.2
over 50 years ago3.50.61.80.47.40.818.20.815.71.110.80.4
total81.11.290.90.850.71.546.41.030.51.457.90.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.70.95.40.722.21.213.20.77.20.811.90.4
11-20 years ago3.80.61.60.411.30.99.00.63.90.66.60.3
21-30 years ago1.60.40.90.34.60.67.10.55.00.74.40.2
31-40 years ago1.40.40.40.23.40.54.80.45.70.73.40.2
41-50 years ago0.80.30.20.12.40.43.90.46.30.82.90.2
over 50 years ago2.60.50.60.25.50.715.60.741.41.613.00.4
total18.91.29.10.849.31.553.61.069.51.442.10.5
totaln/a0.10.10.10.10.10.10.0.0.0.0.00.0
less than 10 years ago55.41.672.71.343.71.521.50.99.81.037.80.5
11-20 years ago20.71.315.81.122.51.214.90.75.90.816.00.4
21-30 years ago8.40.95.60.79.10.912.90.77.70.99.50.4
31-40 years ago5.70.72.40.56.60.79.30.610.11.07.20.3
41-50 years ago3.50.61.00.35.10.67.60.69.40.95.70.3
over 50 years ago6.10.82.40.412.91.033.91.057.01.623.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #849290/315621
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