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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: 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 ago72.51.261.92.860.73.636.43.844.84.229.14.664.31.0
11-20 years ago15.40.917.12.220.83.019.73.131.23.916.33.817.30.8
21-30 years ago7.90.710.31.89.62.215.32.97.72.217.43.89.20.6
31-40 years ago2.10.46.51.43.51.36.42.04.21.77.12.63.40.4
41-50 years ago0.90.21.60.71.10.86.21.93.61.63.01.71.60.3
over 50 years ago1.20.32.60.94.21.516.12.98.52.327.04.54.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
101-500 mless than 10 years ago54.41.944.52.241.82.819.42.432.52.714.32.239.31.0
11-20 years ago18.51.519.01.720.02.29.91.819.92.311.12.017.20.8
21-30 years ago13.11.311.21.412.01.810.81.916.42.111.22.012.50.7
31-40 years ago5.40.98.51.25.71.311.41.98.31.67.01.67.40.5
41-50 years ago2.80.65.11.05.31.211.51.94.21.110.62.05.70.5
over 50 years ago5.70.911.81.415.32.037.02.918.82.245.93.218.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
501-1000 mless than 10 years ago31.17.817.63.130.24.59.42.820.23.28.12.217.41.4
11-20 years ago20.56.917.03.115.23.510.12.920.53.16.82.014.51.3
21-30 years ago17.06.311.22.610.43.08.52.716.42.99.92.411.91.2
31-40 years ago8.44.711.02.513.03.32.91.68.92.27.52.18.71.0
41-50 years ago11.15.27.52.17.72.617.53.72.91.37.52.18.11.0
over 50 years ago11.85.635.63.923.54.151.64.831.13.660.13.939.41.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
over 1000 mless than 10 years ago68.126.618.77.516.65.45.43.713.73.12.91.08.21.2
11-20 years ago31.926.618.47.412.84.92.52.411.22.84.51.37.61.2
21-30 years ago0.0.7.75.214.95.27.84.414.73.28.71.710.51.4
31-40 years ago0.0.3.43.421.36.013.35.58.62.58.01.69.51.3
41-50 years ago0.0.14.36.68.74.113.35.56.32.27.61.68.11.2
over 50 years ago0.0.37.69.425.86.457.88.045.44.468.42.856.12.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago66.31.045.01.643.51.921.21.728.91.710.91.143.80.6
11-20 years ago16.50.818.11.219.01.512.11.320.71.58.51.016.10.5
21-30 years ago9.60.610.91.011.21.211.41.314.41.310.81.110.90.4
31-40 years ago3.20.48.10.87.41.08.61.27.71.07.50.96.20.3
41-50 years ago1.60.34.60.74.70.811.31.34.20.77.91.04.60.3
over 50 years ago2.80.413.31.114.21.435.52.024.01.654.41.818.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.06.2020 #816937/283268
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