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NFI4
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.10.0
less than 10 years ago58.81.874.71.346.72.325.91.919.03.954.70.9
11-20 years ago20.71.515.51.123.92.018.31.613.03.418.70.7
21-30 years ago8.21.05.10.77.81.211.81.44.82.17.60.5
31-40 years ago5.00.82.20.57.01.28.51.28.92.85.20.4
41-50 years ago3.50.70.90.35.31.06.51.18.22.83.60.3
over 50 years ago3.60.71.60.49.31.329.01.946.15.010.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago34.69.90.0.28.25.625.52.59.63.724.32.0
11-20 years ago12.97.00.0.29.95.819.32.25.02.818.61.8
21-30 years ago17.47.90.0.10.63.812.91.98.33.612.21.5
31-40 years ago22.28.70.0.6.43.18.11.56.53.18.41.3
41-50 years ago0.0.0.0.13.74.38.41.610.23.98.91.3
over 50 years ago12.97.00.0.11.24.025.82.560.46.327.72.1
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago48.24.061.44.849.32.326.11.611.91.532.01.0
11-20 years ago19.33.118.83.922.51.917.91.46.21.116.40.8
21-30 years ago7.52.110.03.09.21.313.71.36.71.210.20.7
31-40 years ago5.81.95.02.26.61.17.91.06.01.16.80.6
41-50 years ago4.41.62.01.43.50.87.61.09.01.36.40.6
over 50 years ago14.92.82.81.68.91.326.81.660.32.328.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago56.51.673.51.346.81.625.91.112.81.343.90.6
11-20 years ago20.31.315.81.123.61.318.31.07.21.117.90.5
21-30 years ago8.30.95.50.78.60.912.90.86.51.09.00.4
31-40 years ago5.60.72.40.56.80.88.10.76.51.06.00.3
41-50 years ago3.50.61.00.35.00.77.40.79.01.25.10.3
over 50 years ago5.70.71.80.49.20.927.41.158.02.018.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863084/329415
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