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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 without shrub forest NFI3/NFI4
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/a0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
less than 10 years ago67.41.141.12.335.92.821.23.224.22.413.82.751.50.8
11-20 years ago17.80.921.41.921.52.411.52.419.02.28.82.218.00.7
21-30 years ago6.50.69.61.411.91.96.41.913.81.98.52.28.30.5
31-40 years ago3.50.47.01.27.61.610.62.411.11.813.02.66.00.4
41-50 years ago2.00.36.61.24.91.38.82.26.31.48.22.24.00.3
over 50 years ago2.60.414.21.618.32.341.53.825.52.447.83.912.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago50.73.742.12.237.92.722.02.221.02.310.21.328.00.9
11-20 years ago19.32.921.21.923.52.413.61.821.52.35.71.016.40.8
21-30 years ago9.52.212.31.511.31.810.11.615.52.08.11.211.00.7
31-40 years ago7.32.06.51.17.51.58.01.511.31.87.51.17.90.6
41-50 years ago3.31.35.81.15.71.38.51.56.91.49.11.27.00.5
over 50 years ago9.92.212.01.514.12.037.92.623.82.359.42.129.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago52.14.951.47.542.87.928.96.325.25.225.26.638.92.6
11-20 years ago19.23.913.05.022.36.611.44.419.34.79.14.316.42.0
21-30 years ago8.72.89.34.47.64.35.43.018.74.74.33.09.61.6
31-40 years ago6.02.44.22.99.14.33.92.712.43.98.64.17.41.4
41-50 years ago2.81.62.01.98.04.411.44.46.62.99.14.46.11.3
over 50 years ago11.33.120.06.010.14.839.06.717.84.543.77.521.72.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.21.042.11.637.31.922.41.722.81.611.81.241.80.6
11-20 years ago18.00.821.01.322.51.612.81.420.21.56.60.917.30.5
21-30 years ago6.90.510.91.011.31.38.61.215.11.37.91.09.40.4
31-40 years ago4.00.46.70.87.71.08.41.211.31.28.71.06.80.3
41-50 years ago2.20.36.00.75.50.98.81.26.60.98.91.05.30.3
over 50 years ago3.70.413.41.115.71.439.12.024.01.656.01.819.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #859137/325468
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