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NFI4b
forest area
stand stability · stand age (classes of 40 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitystand age (classes of 40 years) %± %± %± %± %± %± %±
critical0 (unstocked).0.04.93.47.35.04.33.09.45.2.0.04.41.4
1-4035.79.124.46.732.99.035.07.040.38.742.19.034.53.3
41-8021.47.87.34.116.27.421.76.125.27.730.68.519.82.8
81-12028.68.59.84.67.35.0.0.09.45.2.0.08.42.0
121-160.0.014.65.510.96.013.05.09.45.2.0.08.82.0
over 160.0.02.42.47.35.06.53.6.0.0.0.02.91.2
uneven-aged14.36.636.67.518.27.419.55.86.34.327.28.221.22.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.20.20.70.51.10.80.70.71.91.10.50.50.70.2
1-4028.92.215.72.227.23.321.33.520.33.220.02.822.91.1
41-8018.21.914.22.114.32.610.22.610.72.530.13.217.11.0
81-12026.12.118.12.317.12.88.02.313.82.76.11.617.21.0
121-16010.21.515.72.213.82.613.83.017.13.04.81.512.10.9
over 1602.10.76.11.44.41.513.83.010.12.46.71.75.90.6
uneven-aged14.21.729.52.722.13.132.14.026.03.531.93.224.11.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)1.00.42.71.01.60.92.71.32.61.02.11.01.80.3
1-4019.71.415.52.313.32.512.02.712.72.213.42.416.20.9
41-8016.91.411.62.011.92.413.32.88.11.825.13.115.10.8
81-12027.41.615.92.330.03.410.02.410.72.09.72.120.50.9
121-16013.21.28.91.814.52.66.01.915.02.36.71.811.70.8
over 1602.00.58.91.89.12.111.32.618.42.58.22.07.30.6
uneven-aged19.81.436.43.019.42.944.64.132.53.134.93.427.51.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.70.21.90.61.80.72.10.82.80.81.20.51.50.2
1-4023.21.216.21.521.12.119.02.217.61.818.51.920.10.7
41-8017.51.112.61.413.31.713.21.910.41.527.92.216.20.6
81-12027.01.316.61.522.52.17.81.511.81.67.31.218.40.7
121-16011.90.912.61.413.91.710.21.715.41.85.31.111.70.6
over 1602.00.47.11.16.81.311.71.813.91.76.91.26.50.4
uneven-aged17.71.133.12.020.62.036.02.628.12.232.92.325.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 15.07.2015 #202167/188405
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