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NFI4
forest area
stand stability · stand age (classes of 40 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %±
critical0 (unstocked)0.0.0.30.20.70.30.40.20.10.10.30.1
1-400.70.31.10.32.10.43.30.42.60.62.10.2
41-800.20.10.70.20.70.31.70.32.80.61.20.1
81-1200.40.20.40.20.60.20.50.20.10.10.40.1
121-1600.0.0.0.0.80.30.80.20.10.10.40.1
over 1600.0.0.0.0.10.10.40.10.0.0.10.0
uneven-aged0.30.20.40.21.40.31.20.31.20.40.90.1
total1.60.42.80.56.30.78.40.67.00.95.60.3
less stable0 (unstocked)0.0.0.40.20.60.20.70.20.40.20.50.1
1-409.10.914.61.09.00.99.10.79.11.010.10.4
41-805.60.78.30.87.00.86.90.618.01.48.40.4
81-1208.30.99.50.99.80.94.90.53.70.77.10.3
121-1604.10.63.80.67.70.87.00.64.10.75.60.3
over 1601.20.40.60.22.50.55.10.53.70.72.90.2
uneven-aged5.30.76.00.711.41.012.00.816.21.310.10.4
total33.61.543.31.547.91.545.71.155.11.844.80.6
stable0 (unstocked)0.30.20.80.31.50.41.10.20.50.30.90.1
1-405.20.714.61.06.20.74.70.53.90.76.90.3
41-8010.30.910.90.94.70.74.90.58.51.07.40.3
81-12016.81.216.61.111.10.96.10.53.00.610.50.4
121-16012.61.05.20.66.30.75.50.53.50.76.50.3
over 1602.40.50.50.23.00.56.80.64.20.73.80.2
uneven-aged17.31.25.20.613.01.016.70.914.31.313.60.4
total64.81.553.91.545.81.545.91.237.81.749.60.6
total0 (unstocked)0.30.21.50.42.70.52.30.31.00.41.70.2
1-4014.91.030.41.117.31.117.10.815.61.319.20.5
41-8016.11.119.91.112.41.013.50.829.31.617.00.5
81-12025.51.326.51.221.51.211.50.76.80.918.10.5
121-16016.71.29.00.814.81.113.30.87.71.012.60.4
over 1603.60.61.20.35.60.712.30.77.81.06.80.3
uneven-aged22.81.311.60.925.71.329.91.131.71.724.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 25.06.2020 #793905/260237
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