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NFI4
forest area
regeneration cover · 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: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
regeneration coverstand age (classes of 40 years) %± %± %± %± %± %± %±
< 1%0 (unstocked)0.10.10.40.20.20.20.40.30.90.40.0.0.30.1
1-400.90.20.10.10.20.20.40.30.20.20.60.30.50.1
41-800.60.20.50.21.00.40.40.31.00.42.60.60.90.1
81-1200.10.10.40.21.70.50.60.31.50.51.10.40.70.1
121-1600.30.11.00.32.00.60.80.43.00.71.10.41.00.1
over 1600.10.10.60.31.00.41.60.53.80.81.20.41.00.1
uneven-aged0.20.10.60.20.70.30.80.40.70.31.30.40.50.1
total2.30.33.60.66.71.04.91.010.91.38.01.14.90.3
1-9%0 (unstocked)0.30.11.70.40.70.31.20.51.40.50.80.30.90.1
1-402.30.30.90.31.70.51.20.51.10.41.30.41.60.2
41-804.60.53.00.62.90.75.51.03.50.714.51.45.30.3
81-1204.30.46.20.88.41.14.60.97.91.14.60.85.60.3
121-1602.20.35.60.77.51.16.61.16.81.06.11.04.80.3
over 1600.50.22.90.53.50.78.41.28.41.14.90.93.40.2
uneven-aged3.10.48.60.95.30.917.41.711.81.317.21.58.30.4
total17.40.828.91.529.91.945.02.240.82.049.42.029.80.6
10-25%0 (unstocked)0.40.10.90.30.90.41.20.50.50.30.30.20.60.1
1-404.40.43.30.63.60.83.30.82.70.63.70.83.70.3
41-804.70.54.70.76.31.07.81.23.10.79.81.25.60.3
81-1206.40.55.30.76.81.03.20.82.40.61.30.54.90.3
121-1602.60.33.80.62.70.73.10.86.21.01.60.53.20.2
over 1600.50.23.00.61.20.43.70.83.50.71.60.51.80.2
uneven-aged5.20.513.31.17.31.110.11.310.21.28.51.18.30.4
total24.20.934.21.628.61.932.42.128.71.826.91.828.10.6
26-50%0 (unstocked)0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
1-404.90.53.40.66.01.03.90.94.00.82.80.74.30.3
41-803.60.42.40.52.60.72.50.71.50.53.40.72.90.2
81-1205.30.52.90.63.60.70.40.31.50.50.60.33.20.2
121-1602.80.42.10.52.30.61.20.51.00.40.40.32.00.2
over 1600.50.20.60.30.20.20.20.21.70.50.70.30.60.1
uneven-aged4.00.46.90.84.20.85.41.02.70.74.00.84.50.3
total21.20.918.31.318.91.613.41.512.41.311.91.317.60.5
51-75%0 (unstocked)0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
1-404.30.44.40.74.00.82.30.72.50.61.10.43.50.2
41-802.70.41.00.30.70.40.60.41.50.51.00.41.60.2
81-1204.80.51.50.42.60.60.0.0.50.30.30.22.50.2
121-1603.20.40.80.30.70.30.0.0.30.20.0.1.50.2
over 1600.20.10.10.10.20.20.0.0.0.0.20.20.10.1
uneven-aged2.40.31.50.42.00.60.80.41.00.40.30.21.70.2
total17.60.89.21.010.21.33.70.85.90.92.90.711.00.4
76-100%0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-406.50.52.90.63.00.70.60.31.00.40.60.33.60.2
41-802.10.30.60.30.40.30.0.0.0.0.20.21.00.1
81-1205.60.50.80.31.00.40.0.0.20.20.0.2.40.2
121-1601.50.30.60.21.00.40.0.0.20.20.0.0.80.1
over 1600.30.10.50.20.0.0.0.0.0.0.0.0.20.1
uneven-aged1.30.30.40.20.30.20.0.0.0.0.20.20.70.1
total17.30.85.70.85.71.00.60.31.30.51.00.48.70.4
total0 (unstocked)0.90.23.10.61.90.62.90.82.70.71.10.41.80.2
1-4023.20.815.01.118.51.511.71.411.61.310.11.217.30.5
41-8018.30.812.21.113.81.416.81.710.61.231.41.817.20.5
81-12026.50.917.01.224.01.78.81.213.91.48.01.119.30.5
121-16012.60.713.71.116.11.511.71.417.61.59.21.213.30.5
over 1602.20.37.70.96.01.013.81.517.31.58.61.17.10.3
uneven-aged16.30.831.31.519.81.734.42.126.31.831.51.923.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #871684/338016
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