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NFI4
forest area
horizontal distance sample plot-road (4 classes) · 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
horizontal distance sample plot-road (4 classes)time of last treatment (classes of 10 years) %± %± %± %± %± %±
up to 100 mn/a0.20.20.10.10.0.0.0.0.0.0.10.1
less than 10 years ago62.92.078.21.457.62.741.72.438.65.563.21.0
11-20 years ago20.21.714.51.226.82.423.12.113.13.919.40.8
21-30 years ago7.71.14.50.75.51.213.51.712.63.77.40.5
31-40 years ago3.50.81.30.45.71.27.41.38.73.23.90.4
41-50 years ago2.80.70.70.32.20.83.91.03.72.12.10.3
over 50 years ago2.80.70.70.32.30.810.31.523.24.84.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.
101-500 mn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago46.72.658.53.245.62.224.31.515.92.536.31.0
11-20 years ago20.42.120.32.623.21.919.51.410.02.019.70.9
21-30 years ago9.81.68.31.810.61.413.01.26.61.710.70.7
31-40 years ago8.61.56.21.67.21.28.21.05.61.67.50.6
41-50 years ago4.91.12.10.94.80.98.11.013.12.36.60.5
over 50 years ago9.51.54.51.38.61.326.91.648.83.419.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
501-1000 mn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago47.112.253.411.428.13.815.32.16.52.218.61.6
11-20 years ago18.39.515.48.218.93.413.52.02.51.412.71.4
21-30 years ago0.0.15.38.28.62.412.31.97.22.310.11.2
31-40 years ago11.77.85.85.65.01.88.61.68.82.57.81.1
41-50 years ago0.0.0.0.12.82.89.31.77.42.49.11.2
over 50 years ago22.910.110.26.826.63.841.02.867.64.241.62.0
total100.0.100.0.100.0.100.0.100.0.100.0.
over 1000 mn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago65.927.60.0.17.68.011.22.73.01.27.51.4
11-20 years ago34.127.60.0.12.46.77.72.34.71.56.51.3
21-30 years ago0.0.0.0.13.97.411.52.83.61.37.11.4
31-40 years ago0.0.0.0.25.18.99.02.55.21.67.81.4
41-50 years ago0.0.0.0.4.34.29.12.57.51.97.81.4
over 50 years ago0.0.100.0.26.89.351.54.376.13.063.22.5
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, 21.06.2020 #816964/283295
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