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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 ago71.71.160.82.760.93.434.73.543.54.030.14.463.40.9
11-20 years ago15.20.917.52.120.42.820.63.029.23.614.53.417.10.7
21-30 years ago8.50.711.41.79.92.114.82.610.82.517.23.610.00.6
31-40 years ago2.10.45.91.33.51.27.72.04.41.67.22.53.50.4
41-50 years ago1.00.31.80.71.00.76.51.83.21.45.62.21.80.3
over 50 years ago1.40.32.70.94.21.415.72.78.92.325.44.24.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
101-500 mless than 10 years ago54.41.844.52.040.42.619.22.332.22.615.62.239.20.9
11-20 years ago18.31.419.21.619.22.19.91.720.22.210.01.817.10.7
21-30 years ago13.51.311.41.312.81.710.71.816.22.011.62.012.70.7
31-40 years ago5.30.88.11.16.31.312.01.98.21.57.41.67.40.5
41-50 years ago2.70.65.10.95.21.210.71.84.11.110.21.95.50.4
over 50 years ago5.80.911.61.316.21.937.42.819.12.145.13.118.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
501-1000 mless than 10 years ago33.27.516.62.929.84.310.42.919.22.98.82.117.21.3
11-20 years ago18.26.216.62.914.13.39.52.720.23.06.61.813.81.2
21-30 years ago20.26.412.62.610.52.98.82.615.32.79.42.212.01.2
31-40 years ago7.74.311.82.513.93.24.52.09.12.17.11.99.21.0
41-50 years ago10.24.87.52.08.02.617.23.53.61.47.62.08.21.0
over 50 years ago10.55.034.83.723.74.049.74.732.63.560.53.639.51.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
over 1000 mless than 10 years ago50.925.018.36.820.15.54.43.014.03.03.31.08.71.2
11-20 years ago49.125.014.86.113.44.72.12.111.02.74.01.17.31.1
21-30 years ago0.0.9.25.113.24.78.54.114.93.18.61.610.51.3
31-40 years ago0.0.9.35.118.95.415.05.28.72.48.41.610.01.3
41-50 years ago0.0.14.96.27.63.710.74.56.62.16.91.57.61.1
over 50 years ago0.0.33.48.226.76.159.37.244.84.268.82.755.92.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
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 #816938/283269
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