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NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
n/an/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago58.31.018.71.215.21.36.51.09.61.02.80.627.00.5
11-20 years ago15.50.810.00.910.01.13.60.77.40.92.20.59.80.4
21-30 years ago5.70.55.00.76.80.92.80.77.00.92.80.55.20.3
31-40 years ago3.10.43.30.64.30.74.90.94.80.74.70.73.90.2
41-50 years ago1.70.33.30.52.30.63.90.84.10.73.10.62.80.2
over 50 years ago2.30.38.20.811.41.214.61.418.21.312.51.19.20.4
total86.80.748.61.550.01.836.31.851.01.728.01.457.90.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.20.419.71.216.51.411.91.38.51.06.50.89.90.4
11-20 years ago1.60.39.90.910.31.17.41.08.20.93.60.65.80.3
21-30 years ago0.80.25.80.75.10.85.60.96.20.85.20.74.00.2
31-40 years ago0.60.23.00.53.40.74.50.84.50.75.60.83.00.2
41-50 years ago0.30.12.70.52.40.64.90.92.70.56.10.82.50.2
over 50 years ago0.80.25.90.77.00.921.11.610.01.039.71.611.10.4
total8.40.647.01.544.61.855.41.940.11.666.71.536.30.5
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.50.32.30.52.30.62.30.62.20.51.30.42.20.2
11-20 years ago0.90.20.60.21.20.40.90.41.60.40.60.30.90.1
21-30 years ago0.40.10.40.20.40.20.40.31.80.50.20.20.60.1
31-40 years ago0.30.10.20.10.50.20.50.31.10.40.40.20.50.1
41-50 years ago0.10.10.10.10.40.30.90.40.50.20.60.30.40.1
over 50 years ago0.60.20.90.30.60.33.10.71.60.42.20.51.30.1
total4.90.54.40.65.50.88.21.18.91.05.30.85.80.3
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.11.040.61.534.01.720.81.620.31.410.61.039.20.6
11-20 years ago18.10.820.51.221.51.511.81.317.21.36.40.816.50.5
21-30 years ago6.90.511.21.012.31.28.91.114.91.28.20.99.70.4
31-40 years ago4.00.46.50.88.11.09.81.210.41.010.81.07.30.3
41-50 years ago2.20.36.10.75.20.89.81.27.30.99.71.05.70.3
over 50 years ago3.80.415.01.118.91.438.91.929.81.554.41.721.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859071/325402
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