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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 NFI1/NFI2/NFI3/NFI4
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).0.05.33.69.16.16.34.311.27.5.0.05.01.7
1-4035.79.118.46.336.510.321.97.327.410.519.48.825.83.5
41-8021.47.87.94.49.16.125.07.733.511.240.311.020.93.2
81-12028.68.510.55.09.16.1.0.011.27.5.0.010.22.4
121-160.0.015.85.913.67.318.86.916.88.8.0.011.32.5
over 160.0.02.62.69.16.19.45.2.0.0.0.03.71.5
uneven-aged14.36.639.57.913.67.318.86.9.0.040.311.023.03.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stable0 (unstocked)0.20.20.80.51.30.90.90.92.31.3.0.00.70.2
1-4028.82.213.02.121.53.415.83.413.83.015.42.720.01.1
41-8017.91.914.22.215.72.910.52.911.42.833.53.617.71.1
81-12026.42.219.22.418.93.29.62.816.03.27.32.018.71.1
121-16010.41.516.12.316.33.014.93.319.13.45.11.712.90.9
over 1602.20.76.51.54.61.714.93.312.22.98.02.06.40.7
uneven-aged14.01.730.32.821.63.333.34.425.23.830.73.523.61.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stable0 (unstocked)1.10.43.11.11.91.13.21.63.21.32.81.42.00.4
1-4019.51.515.72.412.92.66.32.28.42.05.72.014.70.9
41-8017.31.411.42.111.02.514.93.27.92.027.73.815.40.9
81-12027.91.716.62.533.73.710.22.712.12.410.62.622.01.0
121-16013.11.28.71.914.72.86.32.217.42.89.22.412.30.8
over 1601.80.510.02.09.22.312.63.020.52.99.92.57.50.7
uneven-aged19.41.534.53.116.62.946.44.430.53.334.04.026.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0 (unstocked)0.80.32.10.62.10.82.61.03.21.01.20.61.60.2
1-4023.11.214.61.518.32.112.12.011.51.711.61.717.50.7
41-8017.61.112.51.413.01.814.32.110.61.731.52.516.70.7
81-12027.41.317.41.725.42.48.81.713.51.98.31.520.00.7
121-16011.90.912.91.515.42.011.41.918.02.16.51.412.50.6
over 1601.90.47.81.27.11.413.22.116.22.08.31.56.80.5
uneven-aged17.41.132.82.018.72.137.72.926.92.432.62.624.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 15.07.2015 #202151/188389
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