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NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
outside of perimetern/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago57.71.018.11.214.11.36.30.99.61.02.60.526.00.5
11-20 years ago15.40.89.60.99.41.03.40.77.10.92.00.59.40.4
21-30 years ago5.70.55.00.76.50.92.80.66.70.82.70.55.10.3
31-40 years ago3.00.43.40.54.10.74.60.84.70.74.40.73.80.2
41-50 years ago1.70.33.20.52.60.63.80.73.90.63.10.62.80.2
over 50 years ago2.60.310.20.913.21.217.81.419.11.315.71.110.80.4
total86.30.749.71.549.81.838.61.851.11.630.51.457.90.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.00.521.01.218.11.413.51.310.31.07.20.811.80.4
11-20 years ago2.60.310.40.910.91.17.81.09.41.03.90.66.60.3
21-30 years ago1.20.26.00.75.40.85.70.97.70.95.00.74.40.3
31-40 years ago0.90.23.20.53.80.74.60.85.90.85.70.73.40.2
41-50 years ago0.50.12.80.52.80.65.50.93.10.66.30.82.90.2
over 50 years ago1.50.37.00.89.11.024.21.612.51.141.41.613.00.4
total13.70.750.31.550.21.861.41.848.91.669.51.442.10.5
totaln/a0.10.10.10.10.0.0.0.0.0.0.0.0.00.0
less than 10 years ago64.71.039.11.532.21.719.81.519.81.39.81.037.80.5
11-20 years ago18.10.820.01.220.31.411.11.216.51.25.90.815.90.4
21-30 years ago6.90.511.10.911.91.28.51.114.41.27.70.99.50.4
31-40 years ago3.90.46.50.77.91.09.31.110.61.010.11.07.20.3
41-50 years ago2.20.36.00.75.40.89.31.17.10.99.40.95.70.3
over 50 years ago4.10.417.21.122.31.542.01.931.61.557.01.623.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #849239/315570
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