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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
grid: terrestrial grid NFI3
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 ago48.31.018.01.117.21.49.71.28.41.03.90.725.10.5
11-20 years ago10.20.65.20.75.80.95.70.95.60.81.90.56.80.3
21-30 years ago5.70.53.40.52.80.64.10.82.10.52.20.53.90.2
31-40 years ago1.40.21.80.41.00.42.10.60.90.30.90.31.40.1
41-50 years ago0.70.20.50.20.30.21.80.50.60.30.70.30.70.1
over 50 years ago1.00.20.80.31.20.44.40.81.70.53.30.61.70.2
total67.40.929.71.328.21.627.91.719.31.412.91.139.50.5
101-500 mless than 10 years ago16.80.823.61.319.91.59.11.113.41.24.90.715.60.4
11-20 years ago5.70.510.20.99.51.14.70.88.41.03.20.66.80.3
21-30 years ago4.20.46.00.76.30.95.10.96.70.93.60.65.10.3
31-40 years ago1.60.34.30.63.10.65.60.93.40.62.30.53.00.2
41-50 years ago0.80.22.70.52.50.65.00.91.70.53.20.62.20.2
over 50 years ago1.80.36.20.78.01.017.61.57.90.914.21.27.20.3
total30.80.953.01.549.31.847.12.041.61.731.41.639.70.6
501-1000 mless than 10 years ago0.50.22.40.54.60.81.80.54.30.71.90.52.10.2
11-20 years ago0.30.12.40.42.20.51.70.54.50.71.40.41.70.2
21-30 years ago0.30.11.80.41.60.51.60.53.40.62.00.51.50.1
31-40 years ago0.10.11.70.42.10.50.80.42.00.51.50.41.10.1
41-50 years ago0.20.11.10.31.20.43.10.70.80.31.60.41.00.1
over 50 years ago0.20.15.10.63.60.78.81.17.30.912.81.14.80.3
total1.60.314.51.015.41.317.81.522.41.521.11.412.10.4
over 1000 mless than 10 years ago0.10.10.50.21.40.40.30.22.30.51.10.40.80.1
11-20 years ago0.10.10.40.21.00.40.20.21.80.51.40.40.60.1
21-30 years ago0.0.0.30.20.90.40.60.32.50.63.00.60.90.1
31-40 years ago0.0.0.30.21.30.41.10.41.40.42.90.60.90.1
41-50 years ago0.0.0.40.20.50.30.80.31.10.42.40.50.70.1
over 50 years ago0.0.0.90.31.90.54.30.87.50.923.81.44.80.2
total0.20.12.80.57.10.97.31.016.71.334.71.68.60.3
totalless than 10 years ago65.71.044.51.543.11.820.91.628.41.611.81.143.50.6
11-20 years ago16.30.818.21.118.31.412.21.320.41.47.80.915.80.4
21-30 years ago10.20.611.51.011.71.211.41.214.71.210.81.111.40.4
31-40 years ago3.20.48.00.87.61.09.71.27.70.97.70.96.30.3
41-50 years ago1.70.34.80.64.60.810.71.24.20.77.90.94.60.3
over 50 years ago2.90.313.01.014.71.335.21.924.41.554.01.718.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.06.2020 #816888/283219
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