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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: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
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/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago49.71.117.21.216.41.510.51.410.21.24.90.926.90.6
11-20 years ago11.60.78.30.98.01.15.21.06.11.01.70.58.20.4
21-30 years ago4.00.42.50.52.50.73.20.83.10.71.60.53.10.2
31-40 years ago1.50.32.10.51.20.52.80.71.60.51.10.41.70.2
41-50 years ago1.10.20.90.30.50.31.80.60.60.30.50.30.90.1
over 50 years ago1.10.20.90.30.90.44.80.91.90.62.90.71.70.2
total69.01.031.91.529.61.928.22.023.61.712.71.342.60.6
101-500 mn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago14.90.822.51.416.91.69.11.310.41.25.70.914.30.5
11-20 years ago5.90.510.71.011.01.36.71.111.51.33.60.77.70.4
21-30 years ago2.70.46.30.85.61.03.40.87.61.12.30.64.20.3
31-40 years ago2.20.33.70.63.60.82.40.75.20.92.00.63.00.2
41-50 years ago1.10.23.50.62.10.64.91.02.90.74.70.92.60.2
over 50 years ago2.20.35.80.86.81.019.81.89.41.217.41.57.60.4
total29.01.052.51.746.12.146.22.247.02.035.61.939.50.7
501-1000 mn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.90.23.80.63.80.82.40.72.60.61.30.52.10.2
11-20 years ago0.30.11.90.43.60.82.00.63.00.70.50.31.40.2
21-30 years ago0.10.11.40.41.90.61.60.62.70.61.40.51.10.1
31-40 years ago0.20.10.90.31.40.51.00.41.90.51.70.50.90.1
41-50 years ago0.0.1.60.42.20.60.80.42.20.61.50.51.00.1
over 50 years ago0.30.14.30.74.30.812.71.55.20.913.41.44.70.3
total1.80.313.81.117.21.520.51.817.61.519.81.611.20.4
over 1000 mn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.10.10.40.21.50.50.40.30.70.31.00.40.50.1
11-20 years ago0.10.10.20.20.70.30.40.30.80.41.50.50.40.1
21-30 years ago0.0.0.30.21.00.40.20.21.30.51.10.40.50.1
31-40 years ago0.0.0.10.11.20.50.40.31.30.51.70.50.50.1
41-50 years ago0.0.0.0.0.90.40.60.30.80.42.40.60.50.1
over 50 years ago0.10.10.80.31.80.63.00.86.91.024.31.74.20.3
total0.20.11.90.47.11.15.01.011.81.331.91.86.70.3
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.61.043.91.638.72.022.31.923.81.712.81.343.90.6
11-20 years ago17.80.821.11.423.31.814.31.621.41.77.21.117.90.5
21-30 years ago6.80.610.51.011.11.38.41.214.71.46.51.09.00.4
31-40 years ago3.90.46.80.87.41.16.61.110.01.26.51.06.00.3
41-50 years ago2.20.36.00.85.71.08.11.26.61.09.01.25.10.3
over 50 years ago3.60.411.71.113.81.440.42.223.41.758.02.018.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.06.2020 #816887/283218
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