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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 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 ago49.21.118.61.217.31.59.91.38.61.03.70.725.60.5
11-20 years ago10.40.75.10.75.90.95.40.96.20.92.10.56.90.3
21-30 years ago5.20.53.20.62.80.64.20.81.20.42.30.53.60.2
31-40 years ago1.50.32.00.41.00.41.60.50.80.30.90.31.40.2
41-50 years ago0.60.20.40.20.30.21.70.50.70.30.40.20.60.1
over 50 years ago0.80.20.80.31.10.44.20.81.70.53.50.71.60.2
total67.61.030.11.528.41.826.91.819.11.512.81.239.70.6
101-500 mless than 10 years ago16.70.823.51.419.81.69.41.213.51.34.60.815.60.5
11-20 years ago5.60.510.11.09.61.24.70.98.41.03.60.76.80.3
21-30 years ago4.10.46.00.85.80.95.20.96.80.93.50.75.00.3
31-40 years ago1.60.34.30.62.80.75.50.93.30.72.20.52.90.2
41-50 years ago0.90.22.70.52.60.65.51.01.80.53.40.72.30.2
over 50 years ago1.70.36.00.87.21.017.61.67.91.014.51.37.10.3
total30.61.052.71.647.82.048.02.141.81.831.81.739.60.6
501-1000 mless than 10 years ago0.50.22.60.55.00.91.80.64.60.81.70.52.20.2
11-20 years ago0.30.12.50.52.50.61.90.64.50.81.40.41.80.2
21-30 years ago0.30.11.70.41.70.51.60.53.70.72.00.51.50.2
31-40 years ago0.10.11.70.42.20.60.50.31.90.51.60.51.10.1
41-50 years ago0.20.11.10.31.30.43.30.70.70.31.60.51.00.1
over 50 years ago0.20.15.00.73.90.89.71.26.70.912.11.24.70.3
total1.60.314.61.116.51.418.81.622.11.520.41.512.10.4
over 1000 mless than 10 years ago0.10.10.50.21.20.40.40.32.40.61.00.40.70.1
11-20 years ago0.00.00.50.20.90.40.20.21.90.51.50.40.60.1
21-30 years ago0.0.0.20.11.10.40.50.32.50.63.00.60.90.1
31-40 years ago0.0.0.10.11.60.50.70.41.50.42.90.60.80.1
41-50 years ago0.0.0.40.20.60.30.70.41.10.42.60.60.70.1
over 50 years ago0.0.1.00.31.90.53.90.87.61.024.01.54.80.3
total0.10.12.70.57.31.06.41.017.01.434.91.78.60.3
totalless than 10 years ago66.51.045.21.643.32.021.41.729.11.711.01.144.00.6
11-20 years ago16.30.818.31.218.91.512.21.421.01.58.61.016.10.5
21-30 years ago9.60.611.11.011.41.211.51.314.31.310.71.111.00.4
31-40 years ago3.20.48.10.97.51.08.31.27.51.07.71.06.10.3
41-50 years ago1.70.34.50.74.80.811.21.34.20.78.01.04.60.3
over 50 years ago2.70.412.91.114.11.435.42.023.81.654.01.818.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.06.2020 #816884/283215
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