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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/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago37.61.660.11.420.01.310.50.84.90.926.90.6
11-20 years ago12.11.011.20.99.30.95.80.61.70.58.30.4
21-30 years ago4.60.73.50.51.90.43.40.41.60.53.10.2
31-40 years ago2.10.51.00.32.00.41.90.31.10.41.70.2
41-50 years ago1.70.40.50.20.80.31.00.20.50.30.90.1
over 50 years ago1.70.40.50.20.80.32.60.42.90.71.70.2
total59.81.676.91.334.81.525.21.112.71.342.60.6
101-500 mn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago17.81.212.51.022.51.311.60.85.70.914.30.5
11-20 years ago7.80.94.30.611.51.09.40.73.60.77.80.4
21-30 years ago3.70.61.80.45.20.76.20.62.30.64.20.3
31-40 years ago3.30.61.30.33.60.63.90.52.00.63.00.2
41-50 years ago1.90.40.40.22.40.53.90.54.70.92.60.2
over 50 years ago3.60.61.00.34.20.612.90.817.41.57.60.4
total38.11.621.41.249.41.647.91.235.61.939.40.7
501-1000 mn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.90.30.90.33.80.62.90.41.30.52.10.2
11-20 years ago0.30.20.30.12.60.52.50.40.50.31.40.2
21-30 years ago0.0.0.30.11.20.32.30.41.40.51.10.1
31-40 years ago0.20.20.10.10.70.31.60.31.70.50.90.1
41-50 years ago0.0.0.0.1.70.41.70.31.50.51.00.1
over 50 years ago0.40.20.20.13.60.67.60.713.41.44.70.3
total1.80.41.70.413.51.118.71.019.81.611.20.4
over 1000 mn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.20.20.0.0.40.20.90.21.00.40.50.1
11-20 years ago0.10.10.0.0.30.20.60.21.50.50.40.1
21-30 years ago0.0.0.0.0.30.20.90.21.10.40.50.1
31-40 years ago0.0.0.0.0.60.20.70.21.70.50.50.1
41-50 years ago0.0.0.0.0.10.10.70.22.40.60.50.1
over 50 years ago0.0.0.10.10.60.24.30.524.31.74.20.3
total0.30.20.10.12.30.58.30.731.91.86.70.3
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 #816915/283246
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