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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: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
horizontal distance sample plot-road (4 classes)time of last treatment (classes of 10 years) %± %± %± %± %± %±
up to 100 mn/a0.20.20.10.10.0.0.0.0.0.0.10.1
less than 10 years ago62.42.078.11.457.22.640.62.335.45.162.21.0
11-20 years ago20.31.614.51.226.72.323.52.012.73.619.50.8
21-30 years ago7.71.14.60.75.51.214.31.613.43.67.70.5
31-40 years ago3.90.81.30.45.71.27.71.311.13.34.20.4
41-50 years ago2.70.70.70.32.40.83.50.94.52.22.10.3
over 50 years ago2.80.70.80.32.50.810.31.422.94.54.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.
101-500 mn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago45.62.558.03.144.42.124.31.415.52.335.01.0
11-20 years ago21.22.120.42.522.91.817.71.29.71.918.90.8
21-30 years ago10.11.58.31.711.31.413.61.17.51.711.30.6
31-40 years ago8.41.46.31.56.91.19.51.09.01.88.30.6
41-50 years ago4.91.12.40.94.70.98.20.911.92.06.60.5
over 50 years ago9.81.54.71.39.81.326.81.446.33.119.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.
501-1000 mn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago47.710.953.411.426.03.514.51.85.71.917.01.4
11-20 years ago24.39.515.48.218.23.112.11.63.81.512.11.2
21-30 years ago0.0.15.38.29.22.312.91.710.02.411.21.1
31-40 years ago9.56.45.85.64.91.710.21.59.42.38.81.0
41-50 years ago0.0.0.0.13.62.710.21.57.72.19.81.1
over 50 years ago18.58.410.26.828.13.640.22.563.43.841.11.8
total100.0.100.0.100.0.100.0.100.0.100.0.
over 1000 mn/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago65.927.633.627.413.96.59.62.13.71.17.01.1
11-20 years ago34.127.60.0.9.85.45.11.63.51.14.60.9
21-30 years ago0.0.0.0.14.66.713.82.55.11.38.91.2
31-40 years ago0.0.0.0.23.27.89.12.08.21.69.31.3
41-50 years ago0.0.0.0.3.43.47.61.98.41.67.71.2
over 50 years ago0.0.66.427.435.08.954.83.571.12.662.52.1
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.71.673.11.345.21.524.61.011.41.141.00.6
11-20 years ago20.71.315.81.123.11.316.60.86.60.917.00.5
21-30 years ago8.50.95.50.79.20.913.70.87.80.99.70.4
31-40 years ago5.70.72.40.56.60.79.20.69.01.06.80.3
41-50 years ago3.40.61.00.35.20.77.50.69.01.05.40.3
over 50 years ago5.80.72.00.410.60.928.51.056.21.820.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.06.2020 #816965/283296
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