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NFI4b
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: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %±
critical0 (unstocked).0.0.0.09.84.65.22.3.0.04.71.5
1-4033.313.637.512.119.56.236.64.936.39.232.73.4
41-808.38.031.311.69.84.620.84.133.79.120.32.9
81-12033.313.625.010.812.25.14.22.0.0.09.02.1
121-160.0.0.0.014.65.512.53.4.0.09.32.1
over 160.0.0.0.0.0.06.22.5.0.03.11.2
uneven-aged25.012.56.36.134.17.414.53.630.08.921.02.9
total100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked).0.00.40.40.40.41.50.60.50.50.70.2
1-4027.03.430.12.916.82.319.31.920.72.822.01.1
41-8017.22.919.12.514.22.112.81.630.63.217.51.0
81-12023.63.227.62.922.32.511.61.56.31.717.51.0
121-16011.52.49.31.917.52.314.71.74.91.512.40.9
over 1602.91.31.60.84.71.310.11.46.91.86.00.6
uneven-aged17.82.911.82.124.12.629.92.130.13.223.81.2
total100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)0.80.51.30.62.50.92.60.72.21.11.80.3
1-408.51.529.52.316.62.211.91.411.62.415.80.9
41-8016.21.918.01.910.61.810.81.425.33.215.10.9
81-12025.52.329.52.323.62.513.21.58.72.120.81.0
121-16017.02.09.71.511.31.912.21.57.21.912.00.8
over 1603.00.91.00.57.71.615.01.68.82.17.40.6
uneven-aged28.82.411.01.627.82.734.42.136.23.627.11.1
total100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.50.30.90.42.00.62.40.51.20.51.60.2
1-4014.91.529.91.816.91.517.31.217.71.919.30.7
41-8016.41.618.71.512.21.312.61.028.42.216.40.6
81-12025.11.928.71.822.21.711.71.07.01.318.70.7
121-16014.91.59.41.114.41.413.31.05.61.112.00.6
over 1602.90.71.20.45.81.012.11.07.31.36.60.4
uneven-aged25.31.911.21.226.51.830.71.432.82.325.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 15.07.2015 #202155/188393
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