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NFI3
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
state2004/06
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 mless than 10 years ago49.81.119.41.318.61.610.61.49.21.24.10.827.40.6
11-20 years ago10.30.75.00.76.21.05.81.06.41.02.40.67.10.4
21-30 years ago5.20.53.20.63.10.73.80.91.10.42.10.63.70.3
31-40 years ago1.50.31.90.51.10.41.80.61.00.41.00.41.40.2
41-50 years ago0.60.20.40.20.40.31.90.60.80.40.50.30.70.1
over 50 years ago0.60.20.90.30.70.34.50.91.70.54.00.81.50.2
total68.11.030.81.530.01.928.32.020.31.614.11.441.90.6
101-500 mless than 10 years ago16.50.824.51.420.31.79.51.314.51.45.20.916.10.5
11-20 years ago5.50.510.21.09.51.24.81.08.71.13.30.76.80.3
21-30 years ago4.10.46.10.85.91.03.50.86.51.03.00.74.70.3
31-40 years ago1.50.34.40.72.70.74.60.93.30.72.30.62.70.2
41-50 years ago0.90.22.80.52.50.66.11.11.90.64.00.82.40.2
over 50 years ago1.70.35.40.76.31.019.11.87.81.116.81.57.00.3
total30.21.053.41.647.22.147.72.242.72.034.51.939.70.7
501-1000 mless than 10 years ago0.50.22.70.55.50.91.80.64.60.91.80.52.20.2
11-20 years ago0.30.12.40.52.20.62.00.65.00.91.00.41.60.2
21-30 years ago0.20.11.80.41.70.51.20.52.40.61.80.51.20.1
31-40 years ago0.10.11.70.42.20.60.40.32.00.61.60.51.10.1
41-50 years ago0.20.10.80.31.40.53.00.80.60.31.30.50.90.1
over 50 years ago0.20.14.40.73.10.710.71.45.91.012.31.34.30.3
total1.60.313.91.116.21.519.11.820.51.619.81.611.30.4
over 1000 mless than 10 years ago0.10.10.50.21.20.40.20.22.60.60.90.40.70.1
11-20 years ago0.00.00.40.20.90.40.20.21.60.51.00.40.50.1
21-30 years ago0.0.0.20.20.90.40.20.22.50.61.60.50.60.1
31-40 years ago0.0.0.10.11.40.50.60.41.30.42.10.60.60.1
41-50 years ago0.0.0.20.10.50.30.60.31.10.42.50.60.60.1
over 50 years ago0.0.0.40.21.80.63.00.87.41.023.51.74.10.3
total0.10.11.90.46.51.04.81.016.51.531.71.87.10.3
totalless than 10 years ago67.01.047.21.645.62.122.11.930.91.912.01.346.40.6
11-20 years ago16.10.818.01.318.81.612.81.521.71.77.71.116.10.5
21-30 years ago9.50.611.31.111.51.38.71.312.51.38.41.110.20.4
31-40 years ago3.20.48.10.97.51.17.51.27.51.17.01.05.80.3
41-50 years ago1.70.34.20.74.80.911.61.44.50.88.31.14.50.3
over 50 years ago2.50.311.21.011.81.337.32.222.81.756.72.016.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.06.2020 #816885/283216
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