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NFI4b
basal area
diameter classes · conifers/broadleaves
unit of reference: protection forest region
unit: m²/ha
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
diameter classesconifers/broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmconfers0.660.870.690.991.080.4120.73
broadleaves0.650.690.6100.5120.3181.380.74
total1.241.451.271.471.371.671.32
16-23 cmconfers1.462.162.092.892.871.1111.93
broadleaves1.751.391.891.1120.7193.371.73
total3.143.453.863.973.564.563.52
24-35 cmconfers3.065.164.585.275.462.6104.03
broadleaves3.542.593.391.2180.6204.382.83
total6.537.657.866.466.066.956.82
36-51 cmconfers5.348.357.967.278.653.796.52
broadleaves5.042.593.990.5220.6222.893.23
total10.3310.7411.857.869.356.569.72
>= 52 cmconfers5.9510.0610.778.289.075.297.73
broadleaves3.671.6142.3120.4330.4282.5182.35
total9.6411.7513.068.789.467.7810.02
totalconfers16.2326.3425.5524.3526.8413.0720.72
broadleaves14.538.5712.063.8132.71414.2610.62
total30.7234.8337.5328.1429.5327.2331.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204478/190741
NFI4b
basal area
diameter classes · conifers/broadleaves
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
diameter classes
12-15 cm16-23 cm24-35 cm36-51 cm>= 52 cmtotal
economic regionconifers/broadleaves %± %± %± %± %± %±
Western Juraconfers5.90.55.90.56.60.68.50.58.10.67.50.4
broadleaves6.60.66.20.57.10.66.70.42.60.35.40.3
total12.50.912.00.713.70.815.10.710.70.712.90.4
Eastern Juraconfers1.20.31.00.21.20.21.40.21.20.21.20.1
broadleaves2.50.42.30.32.70.32.80.32.20.32.50.2
total3.70.53.30.43.90.44.20.43.40.43.80.2
Western Plateauconfers1.80.51.60.41.70.32.30.42.20.42.00.2
broadleaves2.00.32.40.42.20.32.50.31.70.32.10.2
total3.80.64.00.53.90.44.80.53.90.54.20.3
Central Plateauconfers3.10.52.80.42.40.33.10.34.40.53.30.2
broadleaves2.20.32.10.22.20.32.60.42.00.32.30.2
total5.40.64.80.54.60.45.70.56.40.65.60.3
Eastern Plateauconfers3.60.53.40.54.00.54.30.45.40.64.50.3
broadleaves4.40.44.30.44.50.44.30.34.70.64.50.3
total8.00.77.70.68.50.68.60.510.10.98.90.4
Western Pre-Alpsconfers2.30.42.90.43.40.53.70.44.20.53.60.3
broadleaves1.20.31.50.31.40.30.70.20.30.10.90.1
total3.50.54.40.54.80.64.40.44.50.64.50.3
Central Pre-Alpsconfers5.40.65.20.56.20.57.00.58.50.77.00.4
broadleaves3.60.43.00.43.30.42.40.31.40.32.40.2
total8.90.78.30.69.50.79.40.610.00.89.40.4
Eastern Pre-Alpsconfers2.30.33.20.44.10.55.60.57.80.85.60.4
broadleaves2.50.43.10.53.60.42.90.31.60.32.60.2
total4.80.56.30.67.70.68.50.69.40.88.20.4
Northwestern Alpsconfers2.90.32.30.33.50.44.20.44.80.54.00.3
broadleaves2.60.42.00.31.70.31.30.21.10.31.50.2
total5.50.64.30.45.20.55.50.55.90.65.40.4
Central Alpsconfers1.70.31.70.31.80.32.00.32.20.42.00.2
broadleaves1.40.31.20.31.00.20.70.20.40.10.70.1
total3.10.52.90.42.80.42.70.32.60.42.70.3
Northeastern Alpsconfers1.30.21.50.31.70.31.80.32.50.42.00.2
broadleaves1.40.31.60.31.10.21.20.20.70.21.10.1
total2.70.43.10.42.80.43.00.33.30.53.00.3
Southwestern Alpsconfers6.20.67.50.77.30.67.10.57.90.77.40.4
broadleaves3.60.53.00.41.60.30.50.10.40.11.10.1
total9.90.810.50.88.90.67.60.58.30.78.50.4
Southeastern Alpsconfers9.70.89.70.79.90.711.00.611.10.810.60.4
broadleaves2.70.52.40.51.10.20.80.20.50.21.10.2
total12.50.912.10.911.00.711.90.611.70.811.70.4
Southern Alpsconfers3.70.44.10.54.80.54.90.56.70.75.30.4
broadleaves12.11.112.11.08.00.73.70.33.20.65.80.4
total15.81.216.21.012.90.88.50.59.90.911.10.4
Switzerlandconfers51.01.252.81.158.51.066.80.877.01.066.00.5
broadleaves49.01.247.21.141.51.033.20.923.01.034.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204479/190742
NFI4b
basal area
diameter classes · conifers/broadleaves
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
diameter classes
12-15 cm16-23 cm24-35 cm36-51 cm>= 52 cmtotal
economic regionconifers/broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
Western Juraconfers0.681.683.596.466.2718.34
broadleaves0.791.773.875.062.01213.25
total1.363.357.2511.448.3631.52
Eastern Juraconfers0.4210.9222.0203.4152.9209.712
broadleaves0.8132.0124.5126.8105.51519.77
total1.2122.9106.61010.288.41229.45
Western Plateauconfers0.6271.4232.8205.5155.51815.811
broadleaves0.7172.1143.6136.0114.21816.69
total1.2163.5126.51111.599.71232.46
Central Plateauconfers0.7151.7132.8135.2107.61018.07
broadleaves0.5141.3112.6124.5143.51512.48
total1.2103.095.599.6811.1830.44
Eastern Plateauconfers0.5141.3142.9124.495.71014.86
broadleaves0.691.693.284.574.91314.96
total1.182.986.178.9610.7829.73
Western Pre-Alpsconfers0.8182.7146.1159.41011.01230.08
broadleaves0.4211.4192.5201.8230.9347.115
total1.2144.1118.61211.2911.91137.16
Central Pre-Alpsconfers0.9102.295.088.1610.1826.35
broadleaves0.6121.3122.7112.8121.7189.09
total1.473.577.7610.9511.9735.34
Eastern Pre-Alpsconfers0.5141.8134.5118.7812.3927.86
broadleaves0.5141.7143.9114.5112.61513.28
total1.0103.598.4713.2614.9841.04
Northwestern Alpsconfers0.7111.6114.5117.7109.21023.87
broadleaves0.7151.4152.2172.5172.0258.712
total1.4102.996.7910.2811.2932.55
Central Alpsconfers0.9162.5145.1157.9159.01625.410
broadleaves0.8231.8202.7232.7221.6329.517
total1.7144.2117.71210.61210.61534.98
Northeastern Alpsconfers0.6171.9183.9196.2138.81721.411
broadleaves0.7192.0152.7193.9162.52411.812
total1.3133.9126.61410.11011.31433.27
Southwestern Alpsconfers0.992.895.277.278.2824.35
broadleaves0.5121.1121.2180.5220.4333.813
total1.473.976.467.868.7828.14
Southeastern Alpsconfers1.082.875.468.659.0726.84
broadleaves0.3180.7190.6200.6220.4282.714
total1.373.566.069.359.4629.53
Southern Alpsconfers0.4121.1112.6103.795.2913.07
broadleaves1.383.374.382.892.51814.26
total1.674.566.956.567.7827.23
Switzerlandconfers0.731.934.036.527.7320.72
broadleaves0.741.732.833.232.3510.72
total1.323.526.829.7210.0231.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204480/190743
NFI4b
basal area
diameter classes · main tree species
unit of reference: biogeographical region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
diameter classesmain tree species %± %± %± %± %± %± %±
12-15 cmspruce0.90.11.30.21.40.11.90.22.80.30.80.11.40.1
fir0.90.10.50.10.40.00.10.10.00.00.10.00.40.0
pine0.00.00.00.00.00.00.50.20.40.10.00.00.10.0
larch0.00.00.10.00.00.00.60.10.30.10.50.10.20.0
stone pine.0.0.0.0.0.00.10.00.20.10.00.00.00.0
other conifers0.10.00.10.00.00.00.00.00.20.1.0.00.10.0
beech1.10.10.90.10.60.10.20.10.00.01.00.20.70.0
maple0.40.10.30.00.30.00.20.10.10.00.20.10.30.0
ash0.20.00.30.10.20.00.10.00.10.00.30.10.20.0
oak0.10.10.10.00.00.00.20.1.0.00.20.10.10.0
chestnut0.00.00.00.00.00.0.0.0.0.01.00.20.10.0
other broadleaves0.40.10.50.10.50.11.00.20.70.22.10.30.70.0
total4.00.24.00.23.60.25.00.44.80.46.10.44.20.1
16-23 cmspruce2.60.33.00.34.30.35.10.66.90.62.20.33.80.2
fir2.10.21.40.21.10.10.20.10.10.00.30.11.10.1
pine0.10.00.10.10.10.12.30.51.20.30.00.00.40.1
larch0.00.00.10.00.10.02.30.40.70.21.50.30.50.0
stone pine.0.0.0.0.0.00.60.10.70.20.00.00.10.0
other conifers0.10.00.10.00.00.00.10.10.10.1.0.00.10.0
beech3.20.32.30.21.80.20.30.10.20.13.20.52.10.1
maple1.00.10.90.20.90.10.30.10.10.00.30.10.70.1
ash0.50.10.70.10.50.10.50.20.30.10.50.10.50.0
oak0.20.10.40.10.10.00.40.1.0.00.60.20.20.0
chestnut.0.0.0.00.00.00.00.0.0.03.40.60.40.1
other broadleaves0.60.10.90.10.90.11.90.31.40.44.50.61.40.1
total10.40.59.90.59.90.414.01.011.80.816.61.011.20.2
24-35 cmspruce5.70.65.90.610.80.69.81.013.21.15.10.78.40.3
fir3.80.52.60.32.30.20.50.20.10.00.50.22.10.1
pine0.80.30.50.10.30.13.10.72.10.50.20.10.80.1
larch0.00.00.20.10.10.04.80.62.50.43.60.51.10.1
stone pine.0.0.0.0.0.01.30.42.00.50.10.10.30.1
other conifers0.10.10.20.10.00.00.00.00.00.0.0.00.10.0
beech8.30.75.00.43.90.30.70.30.30.24.60.74.30.2
maple1.60.21.40.22.00.20.20.10.20.10.30.11.30.1
ash1.00.21.70.21.20.20.80.60.40.20.50.21.10.1
oak0.70.21.00.20.00.00.30.1.0.01.00.30.50.1
chestnut.0.0.0.00.00.00.10.1.0.04.40.70.50.1
other broadleaves0.80.21.20.20.70.10.90.30.40.24.90.71.30.1
total22.80.919.70.821.50.622.41.221.11.125.11.121.70.4
36-51 cmspruce9.70.79.50.617.90.713.41.220.41.27.80.913.50.4
fir7.60.64.60.44.20.30.90.30.30.11.00.33.90.2
pine1.80.31.50.20.50.22.30.62.30.50.20.11.20.1
larch0.10.10.30.10.20.19.21.05.30.74.40.61.90.1
stone pine.0.0.0.00.00.01.30.41.70.4.0.00.30.0
other conifers0.00.00.30.10.00.0.0.0.0.00.00.00.10.0
beech12.90.88.50.65.20.40.20.10.50.23.60.66.20.2
maple1.80.20.80.11.40.20.10.10.10.10.10.11.00.1
ash1.20.23.10.40.90.10.20.10.10.10.40.21.30.1
oak0.70.21.70.30.10.00.20.10.10.10.80.20.60.1
chestnut.0.00.00.00.00.00.00.0.0.03.00.50.40.1
other broadleaves0.60.21.20.20.50.10.60.20.20.12.30.40.90.1
total36.40.931.50.930.90.728.31.431.11.223.61.130.90.4
>= 52 cmspruce10.10.910.80.922.61.011.31.518.11.611.21.415.40.5
fir7.70.88.10.86.00.50.90.41.30.41.60.45.40.3
pine0.60.21.00.20.20.10.60.31.50.40.10.10.60.1
larch0.10.10.50.10.30.115.11.68.31.26.30.92.80.2
stone pine.0.0.0.0.0.01.50.51.40.40.10.10.30.1
other conifers0.20.20.70.3.0.0.0.0.0.00.00.00.20.1
beech6.30.78.00.73.60.40.30.20.40.22.80.54.40.2
maple0.50.10.40.10.50.1.0.0.0.00.00.00.30.1
ash0.60.22.30.40.40.10.10.1.0.00.20.10.80.1
oak0.30.12.10.40.10.0.0.00.20.20.20.10.60.1
chestnut.0.0.0.00.10.10.20.2.0.05.51.50.70.2
other broadleaves0.20.11.00.30.40.20.20.10.10.10.30.10.50.1
total26.41.235.01.234.21.030.22.031.21.728.51.831.80.6
totalspruce28.91.630.51.456.91.441.52.661.42.427.12.442.40.8
fir22.01.417.21.214.00.92.70.91.80.63.60.812.80.5
pine3.20.53.20.41.20.38.91.57.61.30.50.33.10.2
larch0.20.11.20.20.80.232.02.617.11.816.31.66.40.4
stone pine.0.0.0.00.00.04.71.06.01.10.20.21.00.1
other conifers0.50.21.30.40.10.10.10.10.40.10.10.10.50.1
beech31.81.524.71.215.10.91.70.61.50.515.11.717.70.5
maple5.20.43.70.45.10.40.80.30.40.21.00.33.60.2
ash3.40.58.20.73.30.41.60.80.80.41.80.53.80.2
oak2.00.45.20.60.30.11.10.40.20.22.80.62.00.2
chestnut0.00.00.00.00.20.10.30.2.0.017.42.22.10.3
other broadleaves2.70.44.80.53.10.44.50.82.80.714.11.44.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204481/190744
NFI4b
basal area
diameter classes · main tree species
unit of reference: biogeographical region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
diameter classesmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmspruce0.3120.4120.570.5130.8100.2150.44
fir0.3110.2120.2110.0390.0720.0350.16
pine0.0730.0700.0390.2310.1260.01000.017
larch0.01000.0840.0330.2170.1220.1200.112
stone pine......0.0410.1320.0750.024
other conifers0.0410.0390.0470.0610.136..0.019
beech0.490.390.2100.1400.0620.3150.25
maple0.1180.1160.1130.1340.0540.0380.18
ash0.0210.1170.1170.0370.0490.1250.19
oak0.0570.0400.0550.139..0.0320.022
chestnut0.0.0.01000.0100....0.3210.021
other broadleaves0.1150.1140.2120.3170.2250.6130.26
total1.361.251.341.481.481.771.32
16-23 cmspruce0.8130.9111.561.5132.190.6141.24
fir0.7100.4140.490.1360.0550.1320.36
pine0.0460.0520.0430.7240.4250.01000.115
larch0.0.0.0430.0330.7150.2230.4170.210
stone pine......0.2250.2250.0720.018
other conifers0.0370.0320.0520.0640.039..0.019
beech1.090.770.790.1430.1480.9160.75
maple0.3130.3180.3110.1350.0540.1310.27
ash0.1200.2150.2150.1410.1580.1310.29
oak0.1350.1300.0380.141..0.2310.116
chestnut....0.01000.0...1.0180.118
other broadleaves0.2190.3130.3130.5180.4301.3130.47
total3.353.153.544.073.574.663.62
24-35 cmspruce1.8111.8103.962.8113.991.4142.74
fir1.2130.8110.8110.1400.0710.2370.76
pine0.3320.2260.1440.9220.6250.0680.313
larch0.01000.1380.0351.4140.7171.0150.48
stone pine......0.4300.6230.01000.118
other conifers0.0480.1410.0640.0.0.0100..0.028
beech2.691.571.480.2430.1491.3151.45
maple0.5150.4130.7100.0520.0590.1380.47
ash0.3200.5140.4150.2750.1550.1370.39
oak0.2230.3210.0500.151..0.3250.213
chestnut....0.01000.0100..1.2170.217
other broadleaves0.3200.4160.3160.3280.1451.4140.48
total7.256.147.746.476.367.056.92
36-51 cmspruce3.182.976.443.8106.172.2134.33
fir2.491.4101.580.2400.1430.3271.25
pine0.6190.5160.2330.7240.7220.1460.49
larch0.0430.1320.1312.6131.6141.2130.67
stone pine....0.01000.4290.521..0.117
other conifers0.0580.1420.0100....0.01000.036
beech4.162.671.980.1520.1471.0162.04
maple0.6130.3150.5110.01000.01000.0470.37
ash0.4191.0130.3150.0870.0580.1400.49
oak0.2210.5150.0370.1630.01000.2290.211
chestnut..0.01000.0720.0100..0.9180.118
other broadleaves0.2330.4170.2200.2370.1420.7150.39
total11.539.7411.138.179.256.669.82
>= 52 cmspruce3.293.498.153.3145.4103.1134.94
fir2.4112.5102.190.3430.4350.4281.75
pine0.2300.3200.1400.2490.5260.0720.213
larch0.0730.2270.1324.3122.5151.8150.98
stone pine......0.4350.4310.01000.123
other conifers0.11000.243......0.01000.139
beech2.0122.591.3110.1710.1510.8181.46
maple0.2270.1320.221....0.01000.115
ash0.2260.7170.2250.0100..0.0710.212
oak0.1440.7210.064..0.11000.1520.218
chestnut....0.0840.0100..1.5280.226
other broadleaves0.1530.3310.1440.1580.0710.1400.121
total8.3510.8512.248.789.378.0810.12
totalspruce9.169.4520.4311.9818.367.61013.52
fir6.975.375.060.8320.5331.0244.14
pine1.0171.0130.4282.5172.3160.1481.08
larch0.1400.4190.3219.2105.1114.5102.06
stone pine....0.01001.4221.8180.1880.314
other conifers0.2390.4280.0500.0550.1340.01000.120
beech10.057.655.460.5360.4374.2115.63
maple1.681.2101.870.2340.1480.3271.15
ash1.1142.591.2110.5470.2510.5281.26
oak0.6171.6130.1260.3380.11000.8190.69
chestnut0.0.0.0800.1810.164..4.8130.713
other broadleaves0.8151.5121.1121.3170.8253.9101.55
total31.5230.9235.8228.6429.7327.9331.81
© WSL, Swiss National Forest Inventory, 29.12.2015 #204482/190745
NFI4b
basal area
diameter classes · main tree species
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
diameter classesmain tree species %± %± %± %± %± %±
12-15 cmspruce0.90.11.30.21.20.12.00.10.80.11.40.1
fir0.90.10.50.10.60.10.20.00.10.00.40.0
pine0.00.00.00.00.00.00.30.10.00.00.10.0
larch0.00.00.10.10.00.00.30.00.50.10.20.0
stone pine.0.0.0.0.0.00.10.00.00.00.00.0
other conifers0.10.00.10.00.00.00.10.0.0.00.10.0
beech1.10.10.80.10.70.10.30.01.00.20.70.0
maple0.40.10.30.00.20.00.20.00.20.10.30.0
ash0.20.00.30.10.20.00.10.00.30.10.20.0
oak0.20.10.00.00.00.00.10.00.20.10.10.0
chestnut.0.00.00.0.0.00.00.01.00.20.10.0
other broadleaves0.40.10.50.10.30.10.80.12.00.30.70.0
total4.10.23.90.33.30.24.50.26.00.44.20.1
16-23 cmspruce2.40.33.10.44.00.35.40.32.10.33.80.2
fir2.10.21.20.21.50.20.40.10.30.11.10.1
pine0.10.00.10.10.10.11.00.20.00.00.40.1
larch0.00.00.10.00.10.00.90.11.50.30.50.0
stone pine.0.0.0.0.0.00.40.10.00.00.10.0
other conifers0.10.00.10.00.00.00.10.0.0.00.10.0
beech3.20.32.40.21.90.20.90.13.30.52.10.1
maple1.00.10.90.20.80.10.50.10.30.10.70.1
ash0.60.10.60.10.60.10.40.10.50.10.50.0
oak0.30.10.30.10.00.00.10.00.60.20.20.0
chestnut.0.0.0.0.0.00.00.03.50.60.40.1
other broadleaves0.70.11.00.10.60.11.60.24.30.51.40.1
total10.40.59.90.69.60.511.80.516.41.011.20.2
24-35 cmspruce5.40.66.20.610.00.711.30.55.00.78.40.3
fir3.70.52.30.33.10.30.90.10.60.22.10.1
pine0.90.30.50.10.20.21.60.20.20.10.80.1
larch0.10.00.30.1.0.02.10.23.60.61.10.1
stone pine.0.0.0.0.0.00.90.2.0.00.30.1
other conifers0.10.00.20.1.0.00.10.0.0.00.10.0
beech8.20.75.00.44.10.41.90.24.70.74.40.2
maple1.70.21.40.21.90.30.90.10.30.11.30.1
ash0.90.21.70.21.40.30.80.20.50.21.10.1
oak1.10.30.80.20.10.00.10.01.00.30.50.1
chestnut.0.0.0.0.0.00.10.14.50.70.50.1
other broadleaves0.80.21.20.20.60.10.80.14.90.71.30.1
total22.90.919.70.921.50.821.30.625.21.121.80.4
36-51 cmspruce9.30.79.50.716.90.817.60.77.91.013.40.4
fir7.10.64.50.45.40.41.70.21.00.33.90.2
pine1.90.31.50.30.40.21.50.20.20.11.20.1
larch0.10.00.30.10.00.04.10.44.30.61.80.1
stone pine.0.0.0.0.0.00.80.1.0.00.30.0
other conifers0.20.10.20.1.0.00.00.00.00.00.10.0
beech12.90.88.50.66.00.62.30.33.60.66.20.2
maple1.70.20.90.11.10.20.80.10.10.11.00.1
ash1.30.23.30.41.00.20.60.10.40.21.30.1
oak1.00.21.60.30.10.00.20.10.80.20.60.1
chestnut.0.00.00.0.0.00.00.03.10.60.40.1
other broadleaves0.60.21.40.20.20.10.60.12.40.40.90.1
total36.00.931.71.031.10.930.20.723.81.131.00.4
>= 52 cmspruce9.80.810.60.921.41.218.50.911.41.415.40.5
fir7.20.88.10.87.80.72.50.41.60.55.40.3
pine0.60.21.10.20.20.10.70.20.10.10.60.1
larch0.10.10.40.10.10.16.60.66.10.92.80.2
stone pine.0.0.0.0.0.00.80.2.0.00.30.1
other conifers0.10.10.80.30.00.0.0.00.00.00.20.1
beech6.70.88.00.73.80.51.70.32.90.54.40.2
maple0.40.10.40.10.40.10.30.10.00.00.30.1
ash0.80.22.30.40.50.20.20.10.20.10.80.1
oak0.40.22.20.50.00.00.10.10.20.10.60.1
chestnut.0.0.0.0.0.00.20.15.61.50.70.2
other broadleaves0.40.20.80.30.10.10.50.20.30.10.50.1
total26.61.234.71.334.51.332.21.028.51.931.80.6
totalspruce27.81.530.81.553.61.754.81.427.22.442.30.8
fir21.01.416.51.218.41.25.60.63.50.812.90.5
pine3.50.63.30.41.00.45.10.60.50.33.10.2
larch0.20.11.20.20.30.114.01.016.11.76.40.4
stone pine.0.0.0.0.0.03.10.40.00.00.90.1
other conifers0.50.21.40.40.10.10.20.10.10.10.50.1
beech32.11.524.81.316.51.27.10.715.51.817.70.5
maple5.20.43.90.44.50.42.80.31.00.33.60.2
ash3.70.58.30.83.60.52.10.31.80.53.80.2
oak2.90.55.00.60.20.10.60.22.70.52.00.2
chestnut.0.00.00.0.0.00.30.217.62.22.10.3
other broadleaves3.00.44.90.61.90.34.30.513.91.44.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204483/190746
NFI4b
basal area
diameter classes · main tree species
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
diameter classesmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmspruce0.3120.4120.5100.660.2150.44
fir0.3110.1130.2120.1160.0340.16
pine0.0600.0760.0870.1190.01000.017
larch0.01000.0840.0640.1130.1200.112
stone pine......0.0250.01000.024
other conifers0.0430.0390.0450.028..0.019
beech0.490.390.2120.1150.3150.25
maple0.1170.1170.1200.1160.0380.18
ash0.1230.1170.1220.0200.1250.19
oak0.1500.0390.0580.0350.0320.022
chestnut..0.0100..0.01000.3210.021
other broadleaves0.1130.1160.1160.3110.6130.26
total1.361.261.351.441.771.32
16-23 cmspruce0.8131.0111.581.760.6151.24
fir0.6100.4150.6100.1150.1330.36
pine0.0360.0570.0710.3170.01000.115
larch0.01000.0460.0600.3120.4180.210
stone pine......0.1180.01000.018
other conifers0.0380.0320.0450.032..0.018
beech1.090.780.7100.3130.9160.75
maple0.3130.3180.3150.2140.1310.27
ash0.2190.2170.2200.1190.1310.29
oak0.1310.1340.0640.0320.2320.116
chestnut......0.01001.0180.118
other broadleaves0.2160.3150.2180.5121.2120.47
total3.253.053.653.744.663.62
24-35 cmspruce1.7111.9103.873.551.4152.74
fir1.2130.7131.2110.3170.2370.76
pine0.3300.1260.1850.5160.0680.313
larch0.0710.141..0.6111.0150.49
stone pine......0.318..0.118
other conifers0.0420.142..0.057..0.028
beech2.681.581.6100.6121.3151.45
maple0.5140.4140.7130.3160.1380.47
ash0.3210.5140.5180.2250.1370.39
oak0.3240.2220.0650.0390.3250.213
chestnut......0.0641.3170.217
other broadleaves0.3190.4170.2220.2171.4140.48
total7.256.058.146.647.156.92
36-51 cmspruce2.982.986.465.552.2134.33
fir2.291.4102.080.5140.3271.25
pine0.6180.5160.2510.5150.1460.49
larch0.0460.1320.0601.391.2140.67
stone pine......0.317..0.117
other conifers0.1690.143..0.01000.01000.036
beech4.062.672.290.7131.0162.04
maple0.5130.3160.4140.2170.0470.37
ash0.4181.0140.4180.2210.1400.49
oak0.3210.5160.0480.1330.2310.211
chestnut..0.0100..0.0510.9180.118
other broadleaves0.2300.4180.1280.2190.7150.39
total11.239.6411.849.436.769.82
>= 52 cmspruce3.193.2108.175.763.2134.94
fir2.2112.4113.090.8150.5281.75
pine0.2300.3210.1470.2210.0720.213
larch0.0730.1300.1582.091.7150.98
stone pine......0.323..0.123
other conifers0.01000.2450.0100..0.01000.139
beech2.1112.491.4130.5160.8181.46
maple0.1280.1330.1280.1300.01000.115
ash0.2240.7180.2340.1330.0710.213
oak0.1410.7220.01000.0510.1600.218
chestnut......0.0611.6280.226
other broadleaves0.1380.3390.1700.2390.1390.121
total8.3510.5513.0510.048.0810.12
totalspruce8.769.4620.3417.047.61013.52
fir6.675.087.071.7111.0244.14
pine1.1161.0130.4451.6110.1481.08
larch0.1340.4200.1384.374.5102.06
stone pine......0.9140.01000.314
other conifers0.2450.4290.0520.1310.01000.120
beech10.057.556.272.2104.3115.63
maple1.681.2101.7100.9110.3271.15
ash1.2132.5101.4140.7160.5281.26
oak0.9181.5130.1340.2250.8190.69
chestnut..0.080..0.1544.9130.713
other broadleaves0.9141.5120.7141.3113.9101.55
total31.2230.3237.8231.0228.0331.81
© WSL, Swiss National Forest Inventory, 29.12.2015 #204484/190747
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves %± %± %± %± %± %±
12-15 cmconfers1.80.12.00.21.90.12.90.21.40.22.20.1
broadleaves2.30.21.90.11.40.11.60.14.60.42.10.1
total4.10.23.90.33.30.24.50.26.00.44.20.1
16-23 cmconfers4.70.44.70.45.70.48.20.44.00.45.90.2
broadleaves5.70.45.20.43.80.33.60.312.40.95.30.2
total10.40.59.90.69.60.511.80.516.41.011.20.2
24-35 cmconfers10.30.89.40.713.30.816.80.69.30.912.70.3
broadleaves12.70.810.30.68.20.64.50.415.91.29.00.3
total22.90.919.70.921.50.821.30.625.21.121.80.4
36-51 cmconfers18.50.916.10.922.70.925.80.713.51.120.70.4
broadleaves17.40.915.60.98.40.64.40.410.40.910.30.3
total36.00.931.71.031.10.930.20.723.81.131.00.4
>= 52 cmconfers17.71.120.91.229.61.329.11.019.31.724.70.6
broadleaves8.80.813.81.04.90.63.10.49.21.57.20.3
total26.61.234.71.334.51.332.21.028.51.931.80.6
totalconfers53.11.753.21.773.41.582.81.147.52.866.10.7
broadleaves46.91.746.81.726.61.517.21.152.52.833.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204485/190748
NFI4b
basal area
diameter classes · conifers/broadleaves
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
diameter classesconifers/broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmconfers0.680.6100.770.950.4120.73
broadleaves0.780.670.580.581.380.74
total1.361.261.351.441.771.32
16-23 cmconfers1.581.492.262.551.1111.93
broadleaves1.861.671.581.173.581.73
total3.253.053.653.744.663.62
24-35 cmconfers3.282.985.065.242.6104.03
broadleaves4.063.163.171.494.482.93
total7.256.058.146.647.156.92
36-51 cmconfers5.864.968.648.043.896.62
broadleaves5.454.763.281.492.993.33
total11.239.6411.849.436.769.82
>= 52 cmconfers5.576.4711.259.045.4107.83
broadleaves2.8104.281.8111.0132.6182.35
total8.3510.5513.0510.048.0810.12
totalconfers16.6416.1427.7325.7313.3721.02
broadleaves14.7414.2410.165.3614.7610.82
total31.2230.3237.8231.0228.0331.81
© WSL, Swiss National Forest Inventory, 29.12.2015 #204486/190749
NFI4b
basal area
forest type (12 classes)
unit of reference: protection forest region
unit: m²/ha
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
forest type (12 classes) m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
inaccessible forest..............
shrub forest..............
permanently unstocked forest area32.91530.72320.45047.13617.1276.45330.413
forest aisles, embankments15.15227.5.15.7...9.06914.45913.728
permanently open stand19.71418.52030.11525.62030.21427.74024.79
selva, plantation49.1.56.4.......30.3939.413
coppice forest24.72217.51216.03525.52230.72229.9528.05
coppice with standards31.211..46.0.5.8...21.41924.215
selection type high forest28.2635.2727.91328.2827.2833.31030.13
non-uniform high forest35.5336.8640.1736.1736.0737.2736.62
imcomplete..............
uniform high forest30.5236.4341.6430.9534.1431.0533.31
total30.8235.6339.5331.4432.8331.1332.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204487/190750
NFI4b
basal area
forest type (12 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
forest type (12 classes)
inaccessible forestshrub forestpermanently unstocked forest areaforest aisles, embankmentspermanently open standselva, plantationcoppice forestcoppice with standardsselection type high forestnon-uniform high forestimcompleteuniform high foresttotal
economic region %± %± %± %± %± %± %± %± %± %± %± %± %±
Western Jura.0.0.0.01.70.8.0.02.20.7.0.00.60.40.20.28.51.419.82.2..67.02.6100.0.
Eastern Jura.0.0.0.03.51.8.0.00.80.8.0.0.0.02.11.5.0.07.52.6..86.03.4100.0.
Western Plateau.0.0.0.02.31.5.0.01.61.01.31.31.41.0.0.00.60.613.63.7..79.24.3100.0.
Central Plateau.0.0.0.04.72.4.0.00.20.2.0.00.10.1.0.02.61.18.72.4..83.73.4100.0.
Eastern Plateau.0.0.0.01.80.80.50.4.0.0.0.00.30.3.0.03.41.16.11.5..87.92.0100.0.
Western Pre-Alps.0.0.0.04.82.70.60.61.20.8.0.00.40.4.0.04.01.813.23.6..75.84.7100.0.
Central Pre-Alps.0.0.0.02.30.9.0.00.70.3.0.00.10.1.0.011.32.221.62.8..64.03.3100.0.
Eastern Pre-Alps.0.0.0.00.90.9.0.01.60.9.0.00.00.00.60.62.10.89.62.4..85.22.8100.0.
Northwestern Alps.0.0.0.00.10.1.0.02.41.31.11.11.50.8.0.010.33.027.04.7..57.64.9100.0.
Central Alps.0.0.0.00.20.2.0.02.71.9.0.01.61.4.0.06.42.913.14.5..75.95.6100.0.
Northeastern Alps.0.0.0.01.61.20.50.52.71.5.0.01.30.9.0.06.83.314.94.5..72.35.6100.0.
Southwestern Alps.0.0.0.05.02.4.0.03.91.3.0.03.31.20.10.112.52.221.53.0..53.83.6100.0.
Southeastern Alps.0.0.0.00.80.40.20.24.91.3.0.01.70.8.0.010.21.713.62.1..68.62.8100.0.
Southern Alps.0.0.0.00.20.20.40.32.71.30.90.524.02.61.80.77.01.619.62.6..43.53.1100.0.
Switzerland.0.0.0.02.00.40.20.12.10.30.20.13.40.30.40.16.90.515.70.8..69.20.9100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204488/190751
NFI4b
basal area
forest type (12 classes)
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
forest type (12 classes)
inaccessible forestshrub forestpermanently unstocked forest areaforest aisles, embankmentspermanently open standselva, plantationcoppice forestcoppice with standardsselection type high forestnon-uniform high forestimcompleteuniform high foresttotal
economic region m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
Western Jura....32.130..22.416..27.64123.3.29.0736.14..31.8331.92
Eastern Jura....30.15..14.455....35.15..31.97..28.4528.65
Western Plateau....30.030..20.41549.1.25.73..22.6.39.59..32.6733.06
Central Plateau....49.733..6.247..9.1...29.01839.015..29.6430.54
Eastern Plateau....23.72722.733....29.5...26.01629.110..30.0429.63
Western Pre-Alps....34.24327.5.25.1...16.4...24.12637.613..40.8838.37
Central Pre-Alps....31.016..11.224..10.1...38.0734.37..36.8535.63
Eastern Pre-Alps....23.982..41.114..1.6.46.0.18.51541.612..42.2440.54
Northwestern Alps....4.5...24.73156.4.19.611..35.21640.713..31.8733.56
Central Alps....6.2...35.26..20.751..33.51238.613..44.5841.27
Northeastern Alps....22.82615.7.19.326..18.322..38.92339.011..38.01036.18
Southwestern Alps....47.136..25.620..25.5225.8.28.2836.17..30.9531.44
Southeastern Alps....17.1279.06930.214..30.722..27.2836.07..34.1432.83
Southern Alps....6.45314.45927.74030.3929.9521.41933.31037.27..31.0531.13
Switzerland....30.41313.72824.8939.61328.0524.41430.0336.62..33.4132.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204489/190752
NFI4b
basal area
forest type and stage of development
unit of reference: biogeographical region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
forest type and stage of development %± %± %± %± %± %± %±
inaccessible forest.0.0.0.0.0.0.0.0.0.0.0.0.0.0
shrub forest.0.0.0.0.0.0.0.0.0.0.0.0.0.0
permanently unstocked forest area1.70.72.70.81.80.55.42.61.00.50.20.22.00.3
temporarily unstocked forest area0.10.10.10.00.50.20.50.30.90.30.50.40.40.1
aisles and embankments.0.00.20.20.10.1.0.00.20.20.40.30.20.1
permanently open stand2.40.60.20.21.80.43.41.15.71.62.61.32.10.3
selvas and plantations.0.00.20.20.20.2.0.0.0.00.90.50.20.1
coppice forest0.50.40.40.20.90.32.61.21.30.823.92.63.40.3
coppice with standards0.20.20.30.20.10.10.10.1.0.01.80.70.30.1
selection type high forest7.01.23.20.76.90.913.72.410.92.06.81.57.00.5
non-uniform high forest18.01.97.61.218.41.520.93.112.02.220.02.615.70.8
young growth/ thicket0.90.32.50.42.50.41.80.71.20.70.60.41.90.2
poletimber7.31.112.11.24.50.79.01.88.41.67.31.47.70.5
young timber12.91.712.81.410.21.210.42.29.22.010.51.811.20.7
medium timber25.12.220.41.719.11.611.32.523.03.010.51.919.30.8
old timber23.82.137.32.233.01.921.13.226.23.214.02.328.81.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204490/190753
NFI4b
basal area
forest type and stage of development
unit of reference: biogeographical region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
forest type and stage of development m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
inaccessible forest..............
shrub forest..............
permanently unstocked forest area31.32433.81927.12151.13617.1276.45330.413
temporarily unstocked forest area8.3342.8227.8315.0598.11912.9747.319
aisles and embankments..22.73321.619..9.07014.45913.628
permanently open stand19.71445.1.24.81421.51630.21427.74024.89
selvas and plantations..49.1.56.4.....30.3939.213
coppice forest27.64122.51819.21225.23038.22229.7528.05
coppice with standards32.4.30.61746.0.5.8...21.41924.215
selection type high forest29.0730.01032.0628.3827.2933.31030.03
non-uniform high forest36.3434.6737.3535.6736.9737.4736.62
young growth/ thicket5.4277.11310.91210.62414.0429.7528.88
poletimber21.9922.9522.7822.31021.01020.71022.23
young timber35.4533.1539.2530.51234.4930.5734.83
medium timber36.1433.9444.7441.1838.9638.6638.62
old timber36.4442.6350.8343.5546.1542.9644.62
total31.5231.0236.6231.0432.7331.1332.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204491/190754
NFI4b
basal area
forest type and stage of development
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
forest type and stage of development %± %± %± %± %± %±
inaccessible forest.0.0.0.0.0.0.0.0.0.0.0.0
shrub forest.0.0.0.0.0.0.0.0.0.0.0.0
permanently unstocked forest area2.10.72.80.92.30.81.90.70.20.22.00.4
temporarily unstocked forest area0.10.10.10.00.50.20.50.20.50.40.40.1
aisles and embankments.0.00.20.20.10.10.10.10.40.30.20.1
permanently open stand1.90.60.40.21.10.43.80.72.71.32.10.3
selvas and plantations.0.00.30.2.0.00.20.20.90.50.20.1
coppice forest0.50.40.50.20.10.12.10.524.02.63.40.3
coppice with standards0.60.3.0.00.20.20.00.01.80.70.30.1
selection type high forest6.81.22.60.76.51.110.31.17.01.67.00.5
non-uniform high forest17.31.88.41.315.51.718.21.519.62.615.70.8
young growth/ thicket1.20.42.70.52.00.42.00.40.70.41.90.2
poletimber7.91.211.91.35.40.96.80.87.21.47.70.5
young timber13.61.712.61.510.71.59.61.110.51.811.20.7
medium timber24.62.120.41.819.52.018.41.510.41.919.30.8
old timber23.32.137.22.336.02.426.31.814.32.428.81.0
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204492/190755
NFI4b
basal area
forest type and stage of development
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
forest type and stage of development m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
inaccessible forest............
shrub forest............
permanently unstocked forest area31.42034.02131.02331.4306.45330.413
temporarily unstocked forest area8.3342.8228.9376.62312.9747.319
aisles and embankments..22.73327.5.8.55014.45913.628
permanently open stand21.31614.72621.92027.31027.74024.79
selvas and plantations..49.1...56.4.30.3939.213
coppice forest27.64122.5189.43824.91329.9528.05
coppice with standards31.211..46.0.5.8.21.41924.215
selection type high forest29.0726.81131.8829.6533.31030.03
non-uniform high forest35.6435.1736.3537.5437.2736.62
young growth/ thicket6.7257.31310.11510.9169.7528.88
poletimber21.6822.6525.6921.2620.41122.23
young timber35.6532.6540.3734.2630.6834.83
medium timber35.4433.6444.5541.7338.8638.62
old timber36.1442.2351.6346.6342.9644.62
total31.1230.5237.8233.3231.1332.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204493/190756
NFI4b
basal area
forest type and stage of development
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
forest type and stage of development %± %± %± %± %± %± %±
inaccessible forest.0.0.0.0.0.0.0.0.0.0.0.0.0.0
shrub forest.0.0.0.0.0.0.0.0.0.0.0.0.0.0
permanently unstocked forest area2.50.62.30.80.90.65.02.40.80.40.20.22.00.3
temporarily unstocked forest area0.10.10.60.30.20.20.40.30.80.30.50.40.40.1
aisles and embankments0.10.10.10.10.10.1.0.00.20.20.40.30.20.1
permanently open stand1.10.31.30.42.00.73.91.34.91.32.71.32.10.3
selvas and plantations0.10.10.30.3.0.0.0.0.0.00.90.50.20.1
coppice forest0.50.20.60.20.60.33.31.21.70.824.02.63.40.3
coppice with standards0.30.2.0.00.30.30.10.1.0.01.80.70.30.1
selection type high forest4.50.69.41.44.01.012.52.210.21.77.01.67.00.5
non-uniform high forest12.51.121.22.111.41.921.53.013.62.119.62.615.70.8
young growth/ thicket2.00.32.40.61.80.61.70.61.70.70.70.41.90.2
poletimber10.10.95.00.95.51.28.11.67.51.47.21.47.70.5
young timber13.11.18.81.412.72.19.32.09.61.810.51.811.20.7
medium timber22.31.415.31.925.32.811.72.422.52.610.41.919.20.8
old timber30.81.632.72.535.03.122.63.126.62.914.32.428.81.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204494/190757
NFI4b
basal area
forest type and stage of development
unit of reference: protection forest region
unit: m²/ha
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
forest type and stage of development m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
inaccessible forest..............
shrub forest..............
permanently unstocked forest area32.91530.72320.45047.13617.1276.45330.413
temporarily unstocked forest area4.62910.4344.3695.0597.91812.9747.319
aisles and embankments15.15227.5.15.7...9.06914.45913.728
permanently open stand19.71418.52030.11525.62030.21427.74024.79
selvas and plantations49.1.56.4.......30.3939.413
coppice forest24.72217.51216.03525.52230.72229.9528.05
coppice with standards31.211..46.0.5.8...21.41924.215
selection type high forest28.2635.2727.91328.2827.2833.31030.13
non-uniform high forest35.5336.8640.1736.1736.0737.2736.62
young growth/ thicket7.11110.7179.4239.02514.6279.7528.88
poletimber22.3422.4924.71121.71022.0920.41122.23
young timber33.9438.4741.3830.51233.2830.6834.73
medium timber34.5341.6648.4442.0738.5538.8638.62
old timber39.8248.4455.0444.0545.5442.9644.62
total30.8235.6339.5331.4432.8331.1332.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204495/190758
NFI4b
basal area
forest type and stage of development
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
forest type and stage of development
inaccessible forestshrub forestpermanently unstocked forest areatemporarily unstocked forest areaaisles and embankmentspermanently open standselvas and plantationscoppice forestcoppice with standardsselection type high forestnon-uniform high forestyoung growth/ thicketpoletimberyoung timbermedium timberold timbertotal
economic region %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
Western Jura.0.0.0.01.70.80.20.1.0.02.20.7.0.00.60.40.20.28.51.419.82.20.80.37.21.312.91.923.32.322.62.3100.0.
Eastern Jura.0.0.0.03.51.8.0.0.0.00.80.8.0.0.0.02.11.5.0.07.52.62.81.410.52.716.63.829.64.826.44.7100.0.
Western Plateau.0.0.0.02.31.50.20.1.0.01.61.01.31.31.41.0.0.00.60.613.63.71.80.78.72.612.93.622.74.833.05.3100.0.
Central Plateau.0.0.0.04.72.40.00.0.0.00.20.2.0.00.10.1.0.02.61.18.72.42.80.910.92.012.72.514.72.742.54.0100.0.
Eastern Plateau.0.0.0.01.80.80.10.10.50.4.0.0.0.00.30.3.0.03.41.16.11.53.10.714.02.112.42.123.52.834.83.3100.0.
Western Pre-Alps.0.0.0.04.82.71.51.00.60.61.20.8.0.00.40.4.0.04.01.813.23.62.10.84.62.015.64.322.05.030.05.5100.0.
Central Pre-Alps.0.0.0.02.30.90.10.1.0.00.70.3.0.00.10.1.0.011.32.221.62.82.20.74.91.26.91.711.82.338.03.5100.0.
Eastern Pre-Alps.0.0.0.00.90.90.40.3.0.01.60.9.0.00.00.00.60.62.10.89.62.41.60.76.41.712.62.727.33.636.94.1100.0.
Northwestern Alps.0.0.0.00.10.10.80.6.0.02.41.31.11.11.50.8.0.010.33.027.04.73.11.45.61.76.72.216.13.425.44.4100.0.
Central Alps.0.0.0.00.20.2.0.0.0.02.71.9.0.01.61.4.0.06.42.913.14.50.50.46.32.610.64.225.96.632.67.0100.0.
Northeastern Alps.0.0.0.01.61.20.00.00.50.52.71.5.0.01.30.9.0.06.83.314.94.53.41.72.61.514.85.019.55.431.96.7100.0.
Southwestern Alps.0.0.0.05.02.40.40.3.0.03.91.3.0.03.31.20.10.112.52.221.53.01.70.68.11.69.32.011.72.422.63.1100.0.
Southeastern Alps.0.0.0.00.80.40.80.30.20.24.91.3.0.01.70.8.0.010.21.713.62.11.70.77.51.49.61.822.52.626.62.9100.0.
Southern Alps.0.0.0.00.20.20.50.40.40.32.71.30.90.524.02.61.80.77.01.619.62.60.70.47.21.410.51.810.41.914.32.4100.0.
Switzerland.0.0.0.02.00.40.40.10.20.12.10.30.20.13.40.30.40.16.90.515.70.81.90.27.70.511.20.719.30.828.71.0100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204496/190759
NFI4b
basal area
forest type and stage of development
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
forest type and stage of development
inaccessible forestshrub forestpermanently unstocked forest areatemporarily unstocked forest areaaisles and embankmentspermanently open standselvas and plantationscoppice forestcoppice with standardsselection type high forestnon-uniform high forestyoung growth/ thicketpoletimberyoung timbermedium timberold timbertotal
economic region m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
Western Jura....32.1308.334..22.416..27.64123.3.29.0736.146.63121.81037.2635.6436.1431.92
Eastern Jura....30.15....14.455....35.15..31.976.84121.01131.3834.8735.9728.65
Western Plateau....30.0302.217..20.41549.1.25.73..22.6.39.596.02721.91637.41141.01044.9633.06
Central Plateau....49.7331.9...6.247..9.1...29.01839.0157.12521.0929.6932.1841.6430.54
Eastern Plateau....23.7275.9.22.733....29.5...26.01629.1107.81624.1833.2732.0541.7429.63
Western Pre-Alps....34.24321.23427.5.25.1...16.4...24.12637.6137.62432.71644.01546.81355.4938.37
Central Pre-Alps....31.0163.046..11.224..10.1...38.0734.3711.62222.81336.1939.7947.6535.63
Eastern Pre-Alps....23.9826.164..41.114..1.6.46.0.18.51541.61210.53026.31441.01046.5555.6440.54
Northwestern Alps....4.5.9.756..24.73156.4.19.611..35.21640.71312.23618.11734.11239.3744.9833.56
Central Alps....6.2.....35.26..20.751..33.51238.6134.05123.61840.01857.2953.91041.27
Northeastern Alps....22.8260.0.15.7.19.326..18.322..38.92339.0119.93918.92642.91847.01054.31136.18
Southwestern Alps....47.1365.059..25.620..25.5225.8.28.2836.179.02521.71030.51242.0744.0531.44
Southeastern Alps....17.1277.9189.06930.214..30.722..27.2836.0714.62722.0933.2838.5545.5432.83
Southern Alps....6.45312.97414.45927.74030.3929.9521.41933.31037.279.75220.41130.6838.8642.9631.13
Switzerland....30.4137.31913.72824.8939.61328.0524.41430.0336.628.8822.2334.8338.6244.6232.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204497/190760
NFI4b
basal area
diameter (class size 10 cm)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
diameter (class size 10 cm)
12-20 cm21-30 cm31-40 cm41-50 cm51-60 cm61-70 cm71-80 cm81-90 cm91-100 cmover 100 cmtotal
economic region %± %± %± %± %± %± %± %± %± %± %±
Western Jura10.50.516.20.822.30.822.50.816.60.97.20.73.30.50.90.30.40.20.10.1100.0.
Eastern Jura10.21.117.21.720.11.521.81.815.51.810.51.64.11.00.70.5.0.0.0.0100.0.
Western Plateau9.71.316.11.519.51.622.21.617.11.78.11.44.31.21.40.61.10.60.50.5100.0.
Central Plateau10.11.013.61.216.71.320.51.320.51.411.51.24.70.91.40.50.90.70.30.3100.0.
Eastern Plateau9.40.815.11.118.21.119.01.019.11.29.00.94.50.83.00.70.70.41.91.4100.0.
Western Pre-Alps9.91.118.11.818.61.819.41.717.01.711.41.73.40.91.20.51.00.6.0.0100.0.
Central Pre-Alps9.80.716.30.919.11.019.60.916.81.010.20.95.70.81.60.50.40.30.30.2100.0.
Eastern Pre-Alps7.30.714.81.119.71.120.41.118.41.210.81.35.91.02.00.90.50.30.20.2100.0.
Northwestern Alps10.50.913.61.019.41.220.01.318.41.49.51.34.80.83.51.0.0.00.30.3100.0.
Central Alps12.61.717.41.818.51.419.21.913.21.59.61.67.71.60.80.51.00.7.0.0100.0.
Northeastern Alps11.11.516.61.817.11.620.01.715.01.88.21.57.11.72.50.91.30.71.10.8100.0.
Southwestern Alps12.90.819.21.218.71.017.11.015.31.17.51.05.30.82.80.70.70.30.40.3100.0.
Southeastern Alps11.70.815.60.919.10.820.10.916.40.98.10.75.00.62.70.50.40.21.10.4100.0.
Southern Alps15.70.922.51.118.11.014.00.811.50.86.50.74.80.72.80.51.00.43.11.3100.0.
Switzerland11.00.216.80.319.20.319.50.316.50.38.80.34.90.22.10.20.60.10.80.2100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204498/190761
NFI4b
basal area
diameter (class size 10 cm)
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
diameter (class size 10 cm)
12-20 cm21-30 cm31-40 cm41-50 cm51-60 cm61-70 cm71-80 cm81-90 cm91-100 cmover 100 cmtotal
economic region m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
Western Jura3.355.157.057.145.262.3101.0160.3320.1500.010031.52
Eastern Jura3.0105.1115.996.4104.5133.1161.2270.270....29.45
Western Plateau3.1135.2106.3107.295.5122.6181.4280.5440.3570.110032.46
Central Plateau3.194.195.196.286.293.5121.4190.4350.3800.110030.44
Eastern Plateau2.874.575.475.665.772.7111.3180.9230.2640.67429.73
Western Pre-Alps3.7106.7126.9117.2116.3124.2171.3270.4440.457..37.16
Central Pre-Alps3.565.866.766.965.973.6102.0150.6280.2580.17135.34
Eastern Pre-Alps3.096.188.178.477.584.4142.4170.8450.2580.110041.04
Northwestern Alps3.484.496.386.596.0103.1141.6191.130..0.110032.55
Central Alps4.4126.1126.4116.7144.6153.3192.7230.3700.370..34.98
Northeastern Alps3.7125.5135.7126.6115.0152.7202.4270.8370.4570.47033.27
Southwestern Alps3.665.475.374.884.392.1151.5160.8260.2450.17128.14
Southeastern Alps3.564.665.655.954.872.4101.5140.8200.1580.33829.53
Southern Alps4.366.154.963.873.181.8121.3140.8200.3390.84227.23
Switzerland3.525.326.026.125.222.841.550.780.2160.32531.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204499/190762
NFI4b
basal area
stage of stand development
unit of reference: biogeographical region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stage of stand development %± %± %± %± %± %± %±
n/a0.10.10.10.00.50.20.50.30.80.30.40.40.40.1
young growth/ thicket0.90.32.80.52.80.41.80.61.90.71.40.52.10.2
poletimber7.61.112.41.26.50.711.92.010.81.720.92.110.40.5
young timber13.61.713.51.410.51.211.32.210.41.914.92.012.20.7
medium timber25.52.121.21.819.11.512.42.521.62.711.61.919.50.8
old timber24.82.138.52.232.91.821.93.227.13.015.72.329.41.0
mixed27.42.111.61.427.81.740.23.627.32.835.22.826.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204500/190763
NFI4b
basal area
stage of stand development
unit of reference: biogeographical region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stage of stand development m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
n/a8.3342.8229.0294.7558.1208.6797.419
young growth/ thicket4.8277.4129.2126.0287.2315.7277.57
poletimber22.1822.3521.2617.91018.2921.0620.83
young timber35.8533.2538.9628.21133.1828.9634.03
medium timber35.6434.6444.1442.5837.3638.7538.52
old timber35.9442.7350.2343.0744.7541.0844.12
mixed32.3432.9633.9430.4628.8629.3531.82
total31.4231.0235.2227.8429.3327.2331.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204501/190764
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