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NFI2
forest area
horizontal distance sample plot-road (4 classes) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
horizontal distance sample plot-road (4 classes)time of last treatment (classes of 10 years) %± %± %± %± %± %± %±
up to 100 mn/a3.30.41.50.41.60.52.40.61.50.41.10.42.20.2
less than 10 years ago45.01.014.51.114.41.39.91.27.81.03.60.723.30.5
11-20 years ago13.00.77.30.86.80.95.60.94.10.72.30.58.20.3
21-30 years ago3.10.42.50.51.70.52.70.61.30.40.80.32.30.2
31-40 years ago0.80.20.50.21.00.42.10.60.90.31.40.41.00.1
41-50 years ago0.30.10.50.20.40.21.40.50.40.21.30.40.60.1
over 50 years ago0.80.20.50.21.20.43.00.71.00.42.60.61.30.1
total66.40.927.31.327.21.627.31.817.01.313.11.239.00.6
101-500 mn/a2.20.34.60.65.20.86.21.03.30.62.60.63.50.2
less than 10 years ago15.60.721.71.219.41.57.91.113.51.24.20.714.70.4
11-20 years ago7.50.513.21.010.71.16.11.010.51.13.90.78.70.4
21-30 years ago2.90.36.00.73.80.76.91.03.90.74.20.74.20.3
31-40 years ago1.50.23.00.52.40.65.50.92.80.63.80.72.70.2
41-50 years ago0.70.21.60.41.50.44.70.91.50.45.00.81.90.2
over 50 years ago1.60.34.00.65.50.811.11.35.50.87.81.04.60.3
total31.90.954.11.548.51.848.52.040.91.831.71.740.30.6
501-1000 mn/a0.00.01.30.31.80.51.60.52.20.52.20.51.10.1
less than 10 years ago0.50.24.10.64.80.83.10.77.30.92.20.52.90.2
11-20 years ago0.50.12.00.43.00.61.10.44.10.72.10.51.70.2
21-30 years ago0.20.11.90.43.00.62.20.62.10.51.90.51.40.1
31-40 years ago0.10.11.20.31.50.53.60.71.80.51.40.41.20.1
41-50 years ago0.00.01.30.31.20.41.50.51.20.43.00.61.00.1
over 50 years ago0.20.13.50.62.20.56.21.04.80.88.11.03.10.2
total1.60.315.31.117.41.419.31.623.51.520.91.512.40.4
over 1000 mn/a0.0.0.60.20.70.30.50.31.50.44.00.70.90.1
less than 10 years ago0.10.10.60.21.50.50.0.3.90.71.90.51.00.1
11-20 years ago0.0.0.60.21.40.40.50.32.10.51.90.50.80.1
21-30 years ago0.0.0.30.21.10.40.80.41.90.51.50.40.70.1
31-40 years ago0.00.00.30.20.30.20.20.21.80.52.50.60.60.1
41-50 years ago0.00.00.0.0.80.30.80.41.10.43.40.60.70.1
over 50 years ago0.0.0.90.31.10.42.10.66.30.919.01.43.50.2
total0.20.13.30.56.90.95.00.918.51.434.21.78.30.3
totaln/a5.50.58.00.89.21.110.81.38.51.010.01.17.80.3
less than 10 years ago61.21.040.91.540.01.820.91.732.41.711.91.242.00.6
11-20 years ago21.00.823.01.322.01.513.31.420.81.510.31.119.40.5
21-30 years ago6.10.510.70.99.61.112.61.39.11.08.41.08.60.3
31-40 years ago2.50.34.90.75.20.811.41.37.30.99.11.05.50.3
41-50 years ago1.10.23.40.63.90.78.41.14.20.712.81.24.30.3
over 50 years ago2.60.38.90.810.01.122.51.717.61.437.51.712.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.06.2020 #816881/283212
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