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NFI4b
basal area
diameter classes · main tree species
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
diameter classesmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmspruce0.390.590.4120.6130.8100.2170.45
fir0.290.2120.2170.0360.0640.0340.26
pine0.0580.0590.01000.2320.1300.01000.019
larch0.0800.0520.0800.1200.0240.1280.016
stone pine......0.0400.0380.01000.027
other conifers0.0290.0710.0620.0610.042..0.021
beech0.360.2130.3160.1340.0370.3160.25
maple0.1120.1190.1250.1280.0400.0340.19
ash0.1140.1250.1260.0360.0470.1260.110
oak0.0400.0690.0710.140..0.1320.022
chestnut0.0100........0.3210.021
other broadleaves0.1110.1150.2190.3170.2250.6150.27
total1.241.351.281.581.381.871.33
16-23 cmspruce0.991.481.6111.5132.090.6171.24
fir0.590.6110.4170.1280.1370.1340.46
pine0.0370.0710.0600.7240.3270.01000.116
larch0.0430.0450.0640.5160.2260.3220.111
stone pine......0.2260.2280.01000.019
other conifers0.0250.01000.0420.0640.041..0.018
beech0.860.7120.8130.2320.1341.1160.75
maple0.3120.3150.3180.1300.0400.1360.28
ash0.2130.1200.3190.1420.1500.2320.29
oak0.1230.0520.01000.1430.01000.2340.117
chestnut......0.0...1.1170.117
other broadleaves0.2110.2180.3200.6180.5281.2130.47
total3.143.453.764.273.574.863.62
24-35 cmspruce1.883.883.7103.0114.381.5162.74
fir0.991.2120.8170.2340.1460.2390.76
pine0.2210.1720.1510.9220.6250.1680.313
larch0.1360.0520.01001.3150.6190.9180.310
stone pine......0.3330.523..0.119
other conifers0.0320.01000.01000.0.0.0100..0.029
beech2.061.4111.7130.4300.3301.5151.55
maple0.5100.6150.9160.1390.1350.1410.47
ash0.4120.4250.7180.3640.1610.2380.410
oak0.3160.0560.01000.1530.01000.3270.213
chestnut......0.01000.01001.5170.217
other broadleaves0.3130.2290.4220.3280.2361.4130.48
total6.637.858.267.076.767.857.22
36-51 cmspruce2.966.466.284.4107.172.6134.53
fir1.871.891.8130.4340.2290.3281.35
pine0.5120.2550.1380.7240.7210.1500.410
larch0.1270.0550.0462.5141.5141.3150.68
stone pine..0.0100..0.3330.421..0.118
other conifers0.138........0.01000.037
beech3.351.8122.7110.2490.5311.2162.14
maple0.4100.4180.7140.1570.1560.0470.37
ash0.7120.2220.7190.1670.0500.1400.49
oak0.4130.0440.0630.0720.0730.2330.211
chestnut0.01000.0100..0.0710.01001.1180.118
other broadleaves0.3160.1280.2350.2370.1340.7160.310
total10.4311.0412.558.9610.657.7610.32
>= 52 cmspruce3.277.379.094.3146.393.6145.04
fir2.382.9102.3140.4370.5290.6281.85
pine0.3170.1560.1590.2490.5250.01000.213
larch0.1280.1530.2454.2132.4151.7170.98
stone pine......0.4370.429..0.123
other conifers0.1420.0100......0.01000.139
beech2.271.3161.7150.2470.3411.0181.46
maple0.1220.1340.332..0.1610.01000.115
ash0.5150.1410.3330.01000.01000.01000.313
oak0.420..0.1610.01000.1790.1600.218
chestnut......0.1750.01001.9280.227
other broadleaves0.2330.1610.1500.1580.0710.1390.122
total9.4412.0513.969.9810.669.0810.52
totalspruce9.1419.4520.8613.7820.558.61113.92
fir5.856.775.4101.2260.8231.2254.44
pine1.1100.4460.3402.6172.3160.2541.08
larch0.2180.2310.3348.6104.7114.4121.96
stone pine..0.0100..1.2231.6190.01000.315
other conifers0.3240.0680.1410.0550.1390.01000.221
beech8.645.397.191.2271.2255.1126.03
maple1.471.6112.2110.4270.3280.3291.25
ash1.980.9182.0140.5430.3450.6291.36
oak1.2110.1340.1450.3380.1710.9200.79
chestnut0.0800.0100..0.1540.01005.9130.713
other broadleaves1.290.8181.2161.4161.0244.0101.46
total30.8235.6339.5331.4432.8331.1332.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204454/190717
NFI4b
basal area
diameter classes · main tree species
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
diameter classes
12-15 cm16-23 cm24-35 cm36-51 cm>= 52 cmtotal
economic regionmain tree species %± %± %± %± %± %±
Western Juraspruce2.80.43.20.53.70.54.40.44.50.44.10.3
fir3.40.43.00.32.70.43.70.43.50.43.30.3
pine0.00.00.10.00.60.20.70.20.30.10.40.1
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.20.10.10.00.00.00.00.00.00.00.00.0
beech3.50.44.00.45.00.55.10.42.00.33.90.2
maple1.30.31.20.21.10.20.70.10.10.00.70.1
ash0.50.10.40.10.50.10.50.10.30.10.40.1
oak0.70.30.40.10.60.20.40.10.10.00.30.1
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves1.40.20.70.10.40.10.20.10.00.00.30.1
total13.71.013.10.814.50.915.60.710.90.713.50.4
Eastern Juraspruce0.90.30.60.20.60.20.60.10.90.20.70.1
fir0.30.10.40.20.30.10.30.10.30.10.30.1
pine0.00.00.10.00.20.10.40.10.00.00.20.0
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.10.10.00.00.10.00.10.10.00.00.10.0
beech1.50.31.10.21.70.32.10.31.40.21.70.1
maple0.40.10.40.10.20.10.20.10.10.10.20.0
ash0.50.20.50.10.20.10.20.10.20.10.30.0
oak0.00.00.10.10.30.10.20.10.20.10.20.1
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.40.10.20.10.20.10.10.00.20.10.20.0
total4.10.53.40.44.00.44.30.43.30.43.80.2
Western Plateauspruce1.10.41.30.41.20.31.50.31.30.31.30.2
fir0.50.10.30.10.30.10.60.20.90.30.60.1
pine0.00.00.00.00.20.10.30.10.10.10.20.1
larch0.30.30.10.10.10.10.10.00.00.00.10.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.10.10.00.00.10.10.10.0
beech0.80.21.20.21.00.21.40.20.80.21.10.2
maple0.20.10.30.10.00.00.10.00.00.00.10.0
ash0.50.20.40.10.60.20.50.10.50.20.50.1
oak0.10.10.50.20.40.10.40.10.20.10.30.1
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.50.20.30.10.20.10.20.10.30.10.20.1
total4.10.74.40.64.10.55.10.54.10.54.40.3
Central Plateauspruce2.30.51.70.31.40.31.70.32.10.31.80.2
fir1.10.21.10.21.00.21.20.22.10.31.40.2
pine0.10.10.20.10.10.00.10.00.20.10.10.0
larch0.00.00.00.00.00.00.10.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.10.00.00.00.10.00.10.00.20.10.10.0
beech1.30.21.20.21.30.21.70.21.50.21.50.1
maple0.30.10.20.10.20.10.10.00.00.00.10.0
ash0.20.10.20.10.30.10.50.20.30.10.40.1
oak0.00.00.10.00.20.10.20.10.20.10.20.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.50.20.60.20.30.10.20.10.10.10.30.1
total6.00.75.30.54.90.56.00.56.90.66.00.3
Eastern Plateauspruce3.00.52.80.43.10.52.80.33.10.43.00.2
fir0.70.20.70.20.80.21.00.21.80.31.10.1
pine0.00.00.10.00.20.10.60.10.40.10.40.1
larch0.00.00.10.00.10.10.10.00.20.10.10.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.30.10.20.10.00.00.00.00.20.20.10.1
beech2.00.31.90.22.20.32.20.22.60.42.30.2
maple0.70.21.30.31.00.20.40.10.20.10.60.1
ash0.70.20.60.20.70.21.10.20.70.20.80.1
oak0.10.00.10.00.20.10.40.10.90.30.50.1
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves1.20.30.80.10.60.10.50.10.00.00.40.1
total8.80.88.50.79.00.69.00.510.10.89.30.4
Western Pre-Alpsspruce1.50.31.80.32.60.53.00.43.30.52.80.3
fir0.60.20.70.20.80.20.70.10.90.20.80.2
pine0.00.00.00.00.00.00.00.00.00.00.00.0
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.00.00.00.00.00.00.00.0
beech0.30.10.60.20.70.20.50.20.20.10.50.1
maple0.30.10.50.10.40.10.20.10.10.00.20.0
ash0.10.10.20.10.40.10.10.00.00.00.10.0
oak0.00.00.00.00.10.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.30.10.30.10.00.00.00.00.00.00.10.0
total3.20.54.10.54.90.64.40.54.60.64.50.4
Central Pre-Alpsspruce3.40.53.40.44.30.54.70.45.40.64.60.3
fir2.30.31.90.31.80.31.90.23.10.42.30.2
pine0.10.10.20.10.20.20.30.20.10.10.20.1
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.00.00.00.00.00.00.00.0
beech2.00.32.10.32.10.31.90.31.30.31.80.2
maple0.50.20.50.10.70.20.30.10.00.00.30.1
ash0.40.10.30.10.40.20.20.10.10.10.20.1
oak0.00.00.00.00.00.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.70.20.30.10.10.00.10.00.00.00.10.0
total9.60.88.80.79.60.79.30.610.20.89.60.4
Eastern Pre-Alpsspruce1.40.32.50.43.30.43.90.45.60.74.00.3
fir0.80.20.60.10.70.11.30.21.70.31.20.1
pine0.00.00.00.00.00.00.00.00.00.00.00.0
larch0.10.10.10.10.00.00.00.00.10.10.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.10.00.10.00.00.00.00.00.00.00.00.0
beech1.40.31.40.21.60.32.00.31.10.21.50.2
maple0.40.10.50.10.90.20.40.10.10.10.40.1
ash0.30.10.60.10.70.20.50.10.20.10.40.1
oak0.00.00.00.00.00.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.60.10.40.10.40.10.10.00.10.10.20.0
total4.90.66.20.67.60.68.30.68.90.88.00.4
Northwestern Alpsspruce2.20.31.80.32.60.43.40.43.70.53.10.3
fir0.30.10.30.10.40.10.50.11.00.20.60.1
pine0.10.10.00.00.00.00.00.00.00.00.00.0
larch0.10.10.10.00.10.10.10.00.10.10.10.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.00.00.00.00.00.00.00.0
beech0.60.20.70.20.70.20.70.20.60.20.70.1
maple0.70.20.60.20.40.10.30.10.10.00.30.1
ash0.20.10.20.10.20.10.10.10.10.00.10.0
oak0.10.10.10.00.00.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.90.20.50.10.30.10.10.10.20.10.30.1
total5.30.64.30.54.90.55.30.55.70.65.20.4
Central Alpsspruce0.90.21.00.21.20.21.40.31.90.31.40.2
fir0.40.10.40.10.30.10.40.10.50.20.40.1
pine0.00.00.10.00.10.10.10.00.00.00.10.0
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.10.10.00.00.00.00.00.00.00.00.00.0
beech0.30.10.50.10.50.20.40.10.20.10.40.1
maple0.10.10.10.10.20.10.10.00.00.00.10.0
ash0.30.10.20.10.20.10.10.10.00.00.10.0
oak0.00.00.00.00.00.00.00.00.10.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.30.10.20.10.10.00.00.00.00.00.10.0
total2.40.42.50.42.60.42.60.42.70.42.60.3
Northeastern Alpsspruce0.80.21.40.31.40.31.40.22.20.41.60.2
fir0.20.10.10.00.10.10.20.10.30.10.20.1
pine0.00.00.00.00.00.00.00.00.00.00.00.0
larch0.00.00.10.00.00.00.00.00.10.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.00.00.00.00.00.00.00.0
beech0.70.20.70.20.50.10.60.10.50.20.60.1
maple0.20.10.30.10.40.10.20.10.10.10.20.1
ash0.00.00.10.10.20.10.20.10.10.00.10.0
oak0.00.00.00.00.00.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.50.20.40.10.10.00.10.00.00.00.10.0
total2.50.43.10.52.70.42.80.33.30.53.00.3
Southwestern Alpsspruce3.70.53.70.53.70.43.70.43.60.53.70.3
fir0.30.10.30.10.30.10.40.10.30.10.30.1
pine1.00.31.70.41.10.20.60.10.20.10.70.1
larch1.00.21.30.21.50.22.10.33.50.52.30.3
stone pine0.20.10.40.10.40.10.30.10.30.10.30.1
other conifers0.10.00.10.00.00.00.00.00.00.00.00.0
beech0.50.20.60.20.50.20.20.10.20.10.30.1
maple0.30.10.40.10.10.10.10.00.00.00.10.0
ash0.10.00.30.10.30.20.10.00.00.00.10.1
oak0.50.20.20.10.10.10.00.00.00.00.10.0
chestnut0.00.00.00.00.00.00.00.00.10.00.00.0
other broadleaves1.90.31.40.30.30.10.20.10.00.00.40.1
total9.60.810.30.88.60.77.50.68.30.88.40.5
Southeastern Alpsspruce6.50.76.30.66.70.67.60.66.70.76.90.4
fir0.10.10.20.10.10.00.20.10.50.10.30.1
pine0.80.31.00.31.00.20.80.20.60.10.80.1
larch0.40.10.50.10.90.21.60.22.60.41.60.2
stone pine0.30.10.50.10.80.20.50.10.50.10.50.1
other conifers0.40.20.10.10.00.00.00.00.00.00.00.0
beech0.20.10.30.10.50.10.50.20.30.10.40.1
maple0.30.10.10.00.20.10.10.00.10.00.10.0
ash0.20.10.30.10.10.10.00.00.00.00.10.0
oak0.00.00.00.00.00.00.10.00.10.10.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves1.70.41.50.40.30.10.10.00.00.00.30.1
total11.01.010.90.910.50.711.50.711.30.811.10.5
Southern Alpsspruce1.80.31.90.32.40.42.80.43.90.62.90.3
fir0.30.10.30.10.30.10.30.10.60.20.40.1
pine0.10.10.00.00.10.10.10.00.00.00.10.0
larch0.70.21.10.21.50.31.40.21.80.31.50.2
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.00.00.00.00.00.00.00.0
beech2.90.53.30.52.40.41.30.21.00.21.70.2
maple0.30.10.30.10.20.10.00.00.00.00.10.0
ash0.80.20.50.20.30.10.10.10.00.00.20.1
oak0.50.20.60.20.50.10.30.10.10.00.30.1
chestnut2.80.63.50.62.40.41.10.22.00.62.00.3
other broadleaves4.70.73.80.52.20.30.80.10.10.11.40.1
total14.91.315.11.112.20.88.30.69.70.910.60.5
Switzerlandspruce32.31.233.31.138.21.143.10.948.21.242.10.7
fir11.30.710.30.69.90.612.70.617.40.913.30.5
pine2.30.43.40.53.80.53.90.41.90.23.10.2
larch2.80.43.40.44.40.45.50.48.60.75.90.4
stone pine0.60.20.90.21.20.20.70.10.80.20.90.1
other conifers1.30.30.70.10.30.10.30.10.60.20.50.1
beech18.00.919.70.920.80.920.60.713.80.718.30.5
maple6.00.56.60.56.00.43.20.21.10.23.60.2
ash5.00.54.80.45.10.54.20.42.50.34.00.3
oak2.00.42.00.32.40.32.10.21.80.32.00.2
chestnut2.80.63.50.62.50.41.20.22.10.62.10.3
other broadleaves15.61.011.50.85.60.42.60.21.20.34.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204455/190718
NFI4b
basal area
diameter classes · main tree species
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
diameter classes
12-15 cm16-23 cm24-35 cm36-51 cm>= 52 cmtotal
economic regionmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
Western Juraspruce0.3140.8141.9123.293.499.66
fir0.3120.8101.4142.792.6127.87
pine0.01000.0510.3360.5230.2311.020
larch0.01000.0.0.01000.0730.01000.053
stone pine............
other conifers0.0530.0440.0100....0.134
beech0.3111.0102.5103.871.5149.26
maple0.1210.3150.5160.5140.1351.610
ash0.0240.1250.3250.3240.2331.017
oak0.1500.1350.3300.3240.1490.822
chestnut............
other broadleaves0.1160.2190.2230.2420.01000.718
total1.363.457.5511.548.2631.92
Eastern Juraspruce0.3280.5321.1301.5232.0255.416
fir0.1360.3430.5360.7320.8302.424
pine0.0730.1510.3510.9280.01001.324
larch..0.01000.01000.1600.01000.242
stone pine............
other conifers0.0700.0710.1450.3680.11000.658
beech0.5170.9162.8154.9123.31612.48
maple0.1260.3270.4320.6300.3471.618
ash0.1420.4280.4410.5250.5331.919
oak0.0.0.1690.5380.5400.4621.430
chestnut............
other broadleaves0.1270.2290.4350.2420.5421.421
total1.2122.8116.51010.287.81128.65
Western Plateauspruce0.3381.0311.9263.5193.0259.714
fir0.1300.3330.5341.3262.1304.322
pine0.0...0.2600.7420.3511.235
larch0.11000.1810.2710.1510.01000.541
stone pine............
other conifers0.01000.01000.11000.11000.31000.570
beech0.2231.0191.7163.3171.8218.114
maple0.1440.2340.1760.2480.1710.625
ash0.2370.3260.9301.2241.1393.721
oak0.0570.4450.7351.0310.5522.625
chestnut0.0100........0.0100
other broadleaves0.1380.2330.4550.5350.6501.829
total1.2163.6126.61111.889.81233.06
Central Plateauspruce0.5201.0191.6182.8153.5169.310
fir0.2170.6181.1182.0153.5157.411
pine0.01000.1700.1500.2310.3410.725
larch0.01000.073..0.1580.1720.246
stone pine............
other conifers0.0450.0700.1540.1590.3540.637
beech0.3160.7131.5152.8102.4167.79
maple0.1390.1350.2290.233..0.619
ash0.1300.1310.3220.8460.6381.829
oak0.0710.0500.2470.4340.3340.922
chestnut............
other broadleaves0.1310.3310.3310.3420.2901.325
total1.2102.995.599.7811.1830.54
Eastern Plateauspruce0.4171.0162.2142.8113.2149.58
fir0.1280.2340.5211.0161.8173.612
pine0.01000.0580.1330.6190.4271.117
larch0.0710.0600.1490.1500.2350.427
stone pine............
other conifers0.0520.1390.0710.0730.2920.354
beech0.3130.6121.5132.2102.7137.38
maple0.1210.4230.7160.4190.2371.812
ash0.1260.2260.5211.1140.7232.612
oak0.0580.0440.1290.4210.9301.521
chestnut......0.0100..0.0100
other broadleaves0.2210.3170.4210.5230.01001.316
total1.182.986.379.0610.3729.63
Western Pre-Alpsspruce0.5221.7174.8188.1119.01524.210
fir0.2300.7251.5291.8202.4266.619
pine............
larch0.01000.0100......0.0100
stone pine............
other conifers............
beech0.1330.6301.2331.4300.7414.023
maple0.1330.4270.7310.4400.2511.821
ash0.0500.2370.7380.2550.11001.233
oak0.01000.0.0.1790.0100..0.166
chestnut............
other broadleaves0.1340.2380.1490.0100..0.526
total1.1133.8119.11211.9912.41138.37
Central Pre-Alpsspruce0.5141.4133.4115.596.41017.26
fir0.3140.8131.4142.2113.6128.48
pine0.0870.1710.2850.3580.2560.750
larch0.01000.0100..0.0100..0.071
stone pine............
other conifers0.0710.0100....0.01000.179
beech0.3160.9141.7132.2141.6206.611
maple0.1350.2270.6200.3240.0711.217
ash0.1330.1330.3450.2320.1620.829
oak0.01000.01000.01000.161..0.156
chestnut............
other broadleaves0.1250.1240.1390.1320.01000.518
total1.473.577.7610.9512.0735.63
Eastern Pre-Alpsspruce0.3191.4163.6136.2109.01320.58
fir0.2250.3220.8202.1152.7156.211
pine......0.1520.1720.150
larch0.01000.0100..0.0710.2580.246
stone pine............
other conifers0.0580.051......0.041
beech0.3220.8171.8163.2141.7207.811
maple0.1340.3261.0210.7180.2412.315
ash0.1360.3250.8220.7230.3432.217
oak0.01000.01000.0.0.01000.11000.170
chestnut............
other broadleaves0.1250.2320.5290.1540.1811.024
total1.0113.498.5713.2614.4840.54
Northwestern Alpsspruce0.6141.2153.7146.8117.51319.99
fir0.1310.2290.6291.0242.0233.819
pine0.0760.0.0.11000.071..0.163
larch0.0660.1580.2520.1630.3530.634
stone pine......0.0100..0.0100
other conifers....0.0100....0.0100
beech0.2310.5271.0241.4261.1294.218
maple0.2270.4240.6330.7310.1582.118
ash0.0550.2350.3440.3360.1600.929
oak0.01000.1590.01000.070..0.155
chestnut......0.0100..0.0100
other broadleaves0.2220.3290.4400.2440.5641.728
total1.4103.0106.8910.6811.71033.56
Central Alpsspruce0.6241.8214.1197.2189.41623.012
fir0.2270.8271.2372.1302.3376.625
pine0.01000.1600.5500.3520.11001.151
larch............
stone pine............
other conifers0.1100........0.1100
beech0.2290.8281.8291.8291.2375.722
maple0.1570.2460.5320.5370.11001.426
ash0.2410.3370.6510.6570.21001.836
oak0.0100..0.01000.2760.3760.558
chestnut............
other broadleaves0.2380.4400.2490.1590.11001.130
total1.5154.3128.91312.81113.61441.27
Northeastern Alpsspruce0.4191.8213.7235.3168.71919.913
fir0.1370.1450.3440.9321.2452.631
pine............
larch0.01000.1730.11000.1580.3710.551
stone pine............
other conifers0.01000.0700.0100....0.186
beech0.4290.9271.3262.3211.9306.717
maple0.1440.4291.0320.9270.5532.922
ash0.0710.2480.4360.8370.3601.734
oak............
chestnut............
other broadleaves0.3360.6330.2400.3560.2581.627
total1.3144.1137.11510.61113.01436.18
Southwestern Alpsspruce0.6131.5133.0114.4104.31413.78
fir0.0360.1280.2340.4340.4371.226
pine0.2320.7240.9220.7240.2492.617
larch0.1200.5161.3152.5144.2138.610
stone pine0.0400.2260.3330.3330.4371.223
other conifers0.0610.0640.0.....0.055
beech0.1340.2320.4300.2490.2471.227
maple0.1280.1300.1390.157..0.427
ash0.0360.1420.3640.1670.01000.543
oak0.1400.1430.1530.0720.01000.338
chestnut..0.0.0.01000.0710.1750.154
other broadleaves0.3170.6180.3280.2370.1581.416
total1.584.277.078.969.9831.44
Southeastern Alpsspruce0.8102.094.387.176.3920.55
fir0.0640.1370.1460.2290.5290.823
pine0.1300.3270.6250.7210.5252.316
larch0.0240.2260.6191.5142.4154.711
stone pine0.0380.2280.5230.4210.4291.619
other conifers0.0420.0410.0100....0.139
beech0.0370.1340.3300.5310.3411.225
maple0.0400.0400.1350.1560.1610.328
ash0.0470.1500.1610.0500.01000.345
oak..0.01000.01000.0730.1790.171
chestnut....0.01000.01000.01000.0100
other broadleaves0.2250.5280.2360.1340.0711.024
total1.383.576.7610.6510.6632.83
Southern Alpsspruce0.2170.6171.5162.6133.6148.611
fir0.0340.1340.2390.3280.6281.225
pine0.01000.01000.1680.1500.01000.254
larch0.1280.3220.9181.3151.7174.412
stone pine0.01000.0100......0.0100
other conifers......0.01000.01000.0100
beech0.3161.1161.5151.2161.0185.112
maple0.0340.1360.1410.0470.01000.329
ash0.1260.2320.2380.1400.01000.629
oak0.1320.2340.3270.2330.1600.920
chestnut0.3211.1171.5171.1181.9285.913
other broadleaves0.6151.2131.4130.7160.1394.010
total1.874.867.857.769.0831.13
Switzerlandspruce0.451.242.744.535.1413.92
fir0.260.460.761.351.854.44
pine0.0190.1160.3130.4100.2131.08
larch0.0160.1110.3100.680.981.96
stone pine0.0270.0190.1190.1180.1230.315
other conifers0.0210.0180.0290.0380.1400.221
beech0.250.751.552.141.466.03
maple0.190.280.470.370.1151.25
ash0.1100.290.4100.490.3131.36
oak0.0220.1170.2130.2110.2180.79
chestnut0.0210.1170.2170.1180.2270.713
other broadleaves0.270.470.480.3100.1221.46
total1.333.627.2210.4210.5232.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204456/190719
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves %± %± %± %± %± %± %±
12-15 cmconfers1.90.12.00.21.90.13.30.33.40.31.20.22.10.1
broadleaves2.20.22.00.11.50.11.60.30.80.24.60.42.00.1
total4.10.24.00.23.30.24.90.44.20.45.80.54.10.1
16-23 cmconfers4.90.44.80.45.40.310.40.98.90.73.60.55.70.2
broadleaves5.50.45.20.34.10.33.30.51.90.512.21.05.20.2
total10.40.59.90.59.50.413.61.010.80.815.81.010.90.2
24-35 cmconfers10.60.89.50.713.50.619.51.319.61.28.90.912.60.3
broadleaves12.50.810.30.68.10.52.80.81.30.416.11.29.20.3
total23.10.919.80.821.50.722.31.320.91.225.01.221.80.4
36-51 cmconfers19.30.916.20.822.90.727.21.530.91.313.71.220.80.4
broadleaves17.30.915.40.88.50.51.20.31.00.310.81.010.60.3
total36.60.931.50.931.40.728.41.431.91.324.41.231.40.4
>= 52 cmconfers18.61.221.21.229.21.130.02.131.51.819.11.824.80.6
broadleaves7.30.713.50.95.00.50.70.30.70.39.91.77.10.4
total25.91.234.81.234.21.130.82.132.21.829.02.031.90.6
totalconfers55.31.753.71.672.81.390.41.594.21.246.52.965.90.7
broadleaves44.71.746.31.627.21.39.61.55.81.253.52.934.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204457/190720
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmconfers0.680.690.761.0101.1100.4140.74
broadleaves0.780.670.570.5150.3241.490.74
total1.361.261.241.581.491.871.33
16-23 cmconfers1.581.582.053.292.981.1131.93
broadleaves1.761.661.561.0150.6253.881.73
total3.353.153.544.273.584.963.62
24-35 cmconfers3.382.984.956.086.472.8114.13
broadleaves3.973.263.060.9270.4305.083.03
total7.356.147.946.976.867.857.22
36-51 cmconfers6.165.068.448.4710.164.3106.92
broadleaves5.554.863.170.4280.3303.493.53
total11.539.8411.538.8710.457.6610.32
>= 52 cmconfers5.976.6610.759.3910.376.0108.23
broadleaves2.3104.271.8100.2450.2413.1182.35
total8.1510.8512.549.5910.579.0810.52
totalconfers17.4416.6426.7328.0530.9414.5721.72
broadleaves14.1414.4410.053.0161.92016.6611.22
total31.5231.0236.6231.0432.7331.1332.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204458/190721
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves %± %± %± %± %± %±
12-15 cmconfers1.80.12.00.21.90.12.70.21.10.12.10.1
broadleaves2.30.21.90.11.40.11.40.14.60.42.00.1
total4.20.23.90.33.30.24.10.25.70.54.10.1
16-23 cmconfers4.80.44.80.45.60.47.60.43.40.45.70.2
broadleaves5.60.45.20.43.80.33.50.312.21.05.20.2
total10.40.510.00.69.40.511.20.515.61.010.90.2
24-35 cmconfers10.50.89.50.713.40.816.50.68.80.912.60.3
broadleaves12.80.810.30.68.40.64.50.416.31.29.20.3
total23.30.919.80.921.80.821.00.625.01.221.80.4
36-51 cmconfers18.60.916.20.922.60.926.20.813.81.220.80.4
broadleaves17.50.915.70.98.80.74.50.410.91.010.60.3
total36.20.931.91.031.40.930.70.724.71.231.40.4
>= 52 cmconfers17.81.121.01.229.21.330.01.119.11.824.70.6
broadleaves8.20.813.41.04.90.63.00.410.01.77.10.4
total26.01.234.41.334.11.333.01.029.12.031.90.6
totalconfers53.51.753.51.772.81.583.11.146.13.065.90.7
broadleaves46.51.746.51.727.21.516.91.153.93.034.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204459/190722
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmconfers0.680.6100.780.950.3140.74
broadleaves0.780.670.590.581.490.74
total1.361.261.261.441.871.33
16-23 cmconfers1.581.592.172.551.0131.93
broadleaves1.861.671.481.283.881.73
total3.253.053.653.744.863.62
24-35 cmconfers3.382.985.165.542.7114.13
broadleaves4.063.163.281.595.183.03
total7.256.058.247.047.857.22
36-51 cmconfers5.864.968.658.744.3106.92
broadleaves5.554.863.381.593.493.53
total11.339.7411.9410.237.7610.32
>= 52 cmconfers5.576.4711.0610.045.9108.13
broadleaves2.694.181.9121.0133.1182.45
total8.1510.5512.9511.049.0810.52
totalconfers16.6416.3427.5327.7314.3821.72
broadleaves14.5414.2410.365.6716.8611.22
total31.1230.5237.8233.3231.1332.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204460/190723
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves %± %± %± %± %± %± %±
12-15 cmconfers1.90.12.30.21.40.23.00.33.10.31.10.12.10.1
broadleaves2.10.11.50.11.50.21.60.20.90.24.60.42.00.1
total4.00.23.80.23.00.24.70.44.00.35.70.54.10.1
16-23 cmconfers4.80.35.80.45.10.59.60.98.40.63.40.45.70.2
broadleaves5.40.33.90.34.40.43.80.52.20.512.21.05.20.2
total10.20.49.70.59.50.613.41.010.70.815.61.010.90.2
24-35 cmconfers9.90.514.50.811.70.918.31.218.51.18.80.912.60.3
broadleaves11.50.57.30.69.10.83.90.82.10.416.31.29.20.3
total21.40.621.80.920.81.022.21.220.61.125.01.221.80.4
36-51 cmconfers17.30.623.70.920.71.226.41.430.21.213.81.220.80.4
broadleaves16.50.67.40.710.90.91.90.42.20.510.91.010.60.3
total33.80.731.00.931.61.128.31.432.31.224.71.231.40.4
>= 52 cmconfers19.50.829.11.329.01.830.22.031.01.719.11.824.80.6
broadleaves11.00.74.60.66.20.81.30.41.40.410.01.77.10.4
total30.50.933.71.335.21.831.52.032.41.729.12.031.90.6
totalconfers53.51.275.31.667.82.187.61.791.21.346.13.065.90.7
broadleaves46.51.224.71.632.22.112.41.78.81.353.93.034.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204461/190724
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmconfers0.670.870.6101.0101.090.3140.74
broadleaves0.650.590.6110.5140.3201.490.74
total1.241.351.281.581.381.871.33
16-23 cmconfers1.562.062.093.092.881.0131.93
broadleaves1.751.491.791.2130.7213.881.73
total3.143.453.764.273.574.863.62
24-35 cmconfers3.165.274.685.886.162.7114.13
broadleaves3.542.693.691.2200.7215.183.03
total6.637.858.267.076.767.857.22
36-51 cmconfers5.348.458.278.379.954.3106.92
broadleaves5.142.694.390.6230.7233.493.53
total10.4311.0412.558.9610.657.7610.32
>= 52 cmconfers6.0510.3611.489.5910.275.9108.13
broadleaves3.461.6142.5120.4340.5303.1182.45
total9.4412.0513.969.9810.669.0810.52
totalconfers16.5326.8426.8527.5529.9314.3821.72
broadleaves14.338.8712.773.9142.91516.8611.22
total30.8235.6339.5331.4432.8331.1332.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204462/190725
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classes
12-15 cm16-23 cm24-35 cm36-51 cm>= 52 cmtotal
economic regionconifers/broadleaves %± %± %± %± %± %±
Western Juraconfers6.40.66.40.67.00.68.70.68.40.77.90.4
broadleaves7.30.76.70.57.50.66.90.42.50.35.60.3
total13.71.013.10.814.50.915.60.710.90.713.50.4
Eastern Juraconfers1.30.31.20.31.30.31.50.21.30.31.30.2
broadleaves2.80.42.30.32.70.32.90.32.00.32.50.2
total4.10.53.40.44.00.44.30.43.30.43.80.2
Western Plateauconfers1.90.51.70.41.80.42.40.42.40.42.20.2
broadleaves2.10.42.70.42.30.32.60.31.70.32.30.2
total4.10.74.40.64.10.55.10.54.10.54.40.3
Central Plateauconfers3.50.53.10.42.60.33.20.34.70.53.50.3
broadleaves2.50.42.20.32.30.32.80.42.20.32.40.2
total6.00.75.30.54.90.56.00.56.90.66.00.3
Eastern Plateauconfers4.00.63.80.54.30.54.50.45.70.64.70.3
broadleaves4.70.54.70.54.80.44.50.44.40.54.60.3
total8.80.88.50.79.00.69.00.510.10.89.30.4
Western Pre-Alpsconfers2.10.42.50.43.40.63.70.44.20.63.60.3
broadleaves1.00.21.50.31.50.30.70.20.30.10.90.1
total3.20.54.10.54.90.64.40.54.60.64.50.4
Central Pre-Alpsconfers5.90.65.60.56.20.66.90.58.60.77.10.4
broadleaves3.70.53.20.43.30.42.40.31.50.32.50.2
total9.60.88.80.79.60.79.30.610.20.89.60.4
Eastern Pre-Alpsconfers2.30.43.30.44.00.55.30.57.40.85.30.4
broadleaves2.60.42.90.43.60.43.00.31.60.32.60.2
total4.90.66.20.67.60.68.30.68.90.88.00.4
Northwestern Alpsconfers2.70.42.10.33.20.43.90.44.80.63.80.3
broadleaves2.50.42.10.41.70.31.30.20.90.21.40.2
total5.30.64.30.54.90.55.30.55.70.65.20.4
Central Alpsconfers1.40.31.50.31.70.31.90.32.30.41.90.2
broadleaves1.00.21.00.20.90.20.60.20.40.10.70.1
total2.40.42.50.42.60.42.60.42.70.42.60.3
Northeastern Alpsconfers1.10.21.50.31.60.31.70.32.60.51.90.2
broadleaves1.40.31.60.31.10.21.10.20.80.21.10.2
total2.50.43.10.52.70.42.80.33.30.53.00.3
Southwestern Alpsconfers6.30.77.40.77.10.67.00.67.90.87.30.4
broadleaves3.30.52.90.41.50.30.50.10.30.11.00.1
total9.60.810.30.88.60.77.50.68.30.88.40.5
Southeastern Alpsconfers8.60.98.60.79.40.710.70.710.80.810.20.5
broadleaves2.40.52.30.51.10.20.80.20.50.21.00.2
total11.01.010.90.910.50.711.50.711.30.811.10.5
Southern Alpsconfers2.90.43.30.44.30.54.60.56.30.74.90.4
broadleaves12.01.211.91.07.90.73.70.43.30.65.70.4
total14.91.315.11.112.20.88.30.69.70.910.60.5
Switzerlandconfers50.61.352.01.257.71.066.20.877.50.965.80.6
broadleaves49.41.348.01.242.31.133.80.922.51.034.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204463/190726
NFI4b
basal area
diameter classes · conifers/broadleaves
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
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 Juraconfers0.691.683.696.566.3718.64
broadleaves0.791.773.975.161.91213.35
total1.363.457.5511.548.2631.92
Eastern Juraconfers0.4210.9222.1203.4153.0209.912
broadleaves0.8141.9134.4126.7104.91418.76
total1.2122.8116.51010.287.81128.65
Western Plateauconfers0.6281.4232.9205.7155.71816.211
broadleaves0.6172.2143.7136.2124.11816.810
total1.2163.6126.61111.889.81233.06
Central Plateauconfers0.7151.7132.8135.2107.61018.17
broadleaves0.5141.2112.6124.5143.51512.49
total1.2102.995.599.7811.1830.54
Eastern Plateauconfers0.5141.3143.0124.595.81015.16
broadleaves0.6101.6103.384.574.51114.55
total1.182.986.379.0610.3729.63
Western Pre-Alpsconfers0.7182.4136.3169.91011.51230.88
broadleaves0.4201.4202.8202.0230.9347.515
total1.1133.8119.11211.9912.41138.37
Central Pre-Alpsconfers0.9102.295.098.0710.2826.45
broadleaves0.6121.3122.7112.8121.8199.29
total1.473.577.7610.9512.0735.63
Eastern Pre-Alpsconfers0.5151.8134.4118.5811.91027.16
broadleaves0.5151.6134.0124.7112.51613.49
total1.0113.498.5713.2614.4840.54
Northwestern Alpsconfers0.7121.5124.5127.9109.81124.57
broadleaves0.7151.5162.3182.7171.9279.113
total1.4103.0106.8910.6811.71033.56
Central Alpsconfers0.9192.7165.7169.71511.81530.710
broadleaves0.6221.7203.2253.1231.83510.418
total1.5154.3128.91312.81113.61441.27
Northeastern Alpsconfers0.5162.0194.2216.41410.11723.211
broadleaves0.7202.1162.9194.3172.92412.913
total1.3144.1137.11510.61113.01436.18
Southwestern Alpsconfers1.0103.095.888.379.5927.55
broadleaves0.5141.2131.2200.6230.4343.914
total1.584.277.078.969.9831.44
Southeastern Alpsconfers1.092.886.169.9510.2729.93
broadleaves0.3200.7210.7210.7230.5302.915
total1.383.576.7610.6510.6632.83
Southern Alpsconfers0.3141.0132.7114.3105.91014.38
broadleaves1.493.885.183.493.11816.86
total1.874.867.857.769.0831.13
Switzerlandconfers0.741.934.136.928.1321.72
broadleaves0.741.733.033.532.4511.32
total1.333.627.2210.4210.5232.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204464/190727
NFI4b
basal area
diameter classes · main tree species
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
diameter classesmain tree species %± %± %± %± %± %± %±
12-15 cmspruce0.90.11.30.21.40.11.90.22.70.30.80.11.40.1
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
chestnut0.00.00.00.00.00.0.0.0.0.00.90.20.10.0
other broadleaves0.40.10.50.10.60.11.00.20.70.22.10.30.70.0
total4.00.23.90.23.60.25.00.44.70.46.20.44.30.1
16-23 cmspruce2.60.33.00.34.30.35.10.66.80.62.20.33.80.1
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
larch0.00.00.10.00.10.02.40.40.90.21.70.30.50.1
stone pine.0.0.0.0.0.00.50.10.90.20.00.00.10.0
other conifers0.10.00.10.00.00.00.10.10.10.1.0.00.10.0
beech3.20.32.30.21.80.20.30.10.30.13.10.52.00.1
maple1.00.10.80.20.90.10.30.10.10.00.40.10.70.1
ash0.50.10.70.10.50.10.60.20.30.10.50.10.50.0
oak0.20.10.30.10.10.00.40.1.0.00.60.20.20.0
chestnut.0.0.0.00.00.00.00.0.0.03.40.60.40.1
other broadleaves0.60.10.90.11.00.11.90.31.40.44.40.61.40.1
total10.40.59.90.510.00.414.01.012.10.816.71.011.30.2
24-35 cmspruce5.70.65.80.610.80.59.91.012.91.05.00.78.40.3
fir3.80.52.60.32.30.20.50.20.10.00.50.22.00.1
pine0.80.30.50.10.30.13.10.72.00.50.10.10.80.1
larch0.00.00.20.10.10.04.80.62.50.43.80.61.10.1
stone pine.0.0.0.0.0.01.30.42.00.40.10.10.30.1
other conifers0.10.10.20.10.00.00.00.00.00.0.0.00.10.0
beech8.20.74.90.43.90.30.70.30.30.24.50.74.30.2
maple1.60.21.40.22.00.20.20.10.30.20.30.11.30.1
ash1.00.21.70.21.20.20.90.60.40.20.50.21.10.1
oak0.70.21.00.20.00.00.30.1.0.01.00.30.50.1
chestnut.0.0.0.00.00.00.10.1.0.04.30.70.50.1
other broadleaves0.80.21.10.20.70.10.90.30.40.24.90.71.30.1
total22.70.919.50.821.50.622.61.220.81.125.11.121.70.4
36-51 cmspruce9.70.79.40.618.00.713.41.220.01.27.80.913.50.4
fir7.50.64.50.44.20.30.90.30.30.10.90.23.80.2
pine1.80.31.50.20.50.12.40.62.20.50.20.11.20.1
larch0.10.10.30.10.20.19.11.05.40.74.50.61.90.1
stone pine.0.0.0.00.00.01.20.41.70.3.0.00.30.0
other conifers0.00.00.30.10.00.0.0.0.0.00.00.00.10.0
beech12.80.88.40.65.30.40.20.10.50.23.50.56.10.2
maple1.80.20.80.11.40.20.10.10.30.20.10.11.00.1
ash1.30.33.10.40.90.10.20.10.10.00.40.21.30.1
oak0.70.21.60.30.10.00.20.10.10.10.80.20.60.1
chestnut.0.00.00.00.00.00.00.0.0.03.00.50.40.1
other broadleaves0.60.21.30.20.50.10.60.20.30.12.40.40.90.1
total36.30.931.30.931.20.728.21.430.81.223.61.130.90.4
>= 52 cmspruce10.10.910.80.922.21.011.21.518.41.611.11.415.30.5
fir7.60.88.10.86.00.51.00.41.20.41.60.45.40.3
pine0.60.21.00.20.20.10.60.31.50.40.10.10.60.1
larch0.10.10.50.10.30.114.91.68.41.26.30.92.90.2
stone pine.0.0.0.0.0.01.70.51.30.40.10.10.30.1
other conifers0.20.20.70.3.0.0.0.0.0.00.00.00.20.1
beech6.40.88.00.73.60.40.30.20.40.22.70.54.30.2
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.0.0.0.00.10.10.20.2.0.05.71.50.70.2
other broadleaves0.20.11.60.70.40.20.20.10.30.20.30.10.60.2
total26.51.235.31.333.81.030.11.931.61.728.41.831.80.6
totalspruce28.91.630.31.456.91.441.42.660.82.427.02.342.40.8
fir21.91.417.11.113.90.82.70.91.70.63.50.812.70.5
pine3.20.53.10.41.20.38.91.57.31.20.50.23.00.2
larch0.20.11.20.20.80.231.82.517.41.816.91.66.50.4
stone pine.0.0.0.00.00.04.91.06.11.10.20.21.00.1
other conifers0.50.21.30.40.10.10.10.10.40.10.10.10.50.1
beech31.81.524.51.215.10.91.70.61.50.514.81.717.50.5
maple5.20.43.70.45.10.40.80.30.80.51.00.33.60.2
ash3.50.58.10.73.30.41.80.80.80.41.80.53.90.2
oak2.00.45.20.60.30.11.10.40.20.22.80.52.00.2
chestnut0.00.00.00.00.20.10.30.2.0.017.32.12.10.3
other broadleaves2.70.45.40.83.10.44.50.83.00.714.11.44.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204465/190728
NFI4b
basal area
diameter classes · main tree species
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
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
pine0.0730.0700.0390.1310.1260.01000.017
larch0.01000.0840.0330.2170.1220.1190.112
stone pine......0.0380.1280.0750.022
other conifers0.0410.0390.0470.0610.136..0.019
beech0.390.390.2100.1400.0620.3150.25
maple0.1180.1160.1130.0340.0480.1330.18
ash0.0200.1170.1170.0350.0460.1240.19
oak0.0570.0400.0550.139..0.0320.022
chestnut0.0.0.01000.0100....0.3220.021
other broadleaves0.1150.1140.2120.3170.2250.6130.26
total1.361.261.341.481.471.771.32
16-23 cmspruce0.8130.9111.561.4132.090.6141.24
fir0.7100.4140.490.1360.0550.1320.36
pine0.0460.0520.0430.6230.3250.01000.115
larch0.0.0.0430.0330.7150.3260.5160.210
stone pine......0.2250.3240.0720.018
other conifers0.0370.0320.0520.0640.039..0.019
beech1.090.770.690.1430.1430.8160.65
maple0.3130.3180.3110.1350.0540.1300.27
ash0.1200.2150.2150.2380.1530.1300.29
oak0.1350.1300.0380.141..0.2300.116
chestnut....0.01000.0...0.9180.117
other broadleaves0.2190.3130.3140.5180.4281.2120.47
total3.353.153.543.973.574.563.52
24-35 cmspruce1.8111.8103.862.8113.891.4142.64
fir1.2130.8110.8100.1400.0710.1370.66
pine0.2320.2260.1430.8220.6250.0680.212
larch0.01000.1380.0351.3140.7171.0140.48
stone pine......0.4300.6220.01000.118
other conifers0.0480.1410.0640.0.0.0100..0.028
beech2.691.571.490.2430.1491.2151.35
maple0.5150.4140.7100.0520.1610.1380.47
ash0.3200.5140.4150.3650.1520.1340.39
oak0.2230.3210.0500.151..0.3250.213
chestnut....0.01000.0100..1.2170.216
other broadleaves0.3200.4160.3160.2280.1451.3140.48
total7.156.147.646.376.166.856.82
36-51 cmspruce3.082.976.343.7105.972.1134.23
fir2.491.4101.580.2400.1430.3271.25
pine0.5190.5160.2320.7230.7220.1460.49
larch0.0430.1320.1312.5131.6131.2130.67
stone pine....0.01000.3290.520..0.117
other conifers0.0580.1420.0100....0.01000.036
beech4.062.671.980.1520.1470.9161.94
maple0.6130.3150.5110.01000.1790.0470.37
ash0.4191.0130.3150.0870.0580.1400.49
oak0.2210.5150.0340.0630.01000.2290.211
chestnut..0.01000.0720.0100..0.8180.118
other broadleaves0.2330.4170.2200.2380.1380.6150.39
total11.439.7411.037.979.056.469.72
>= 52 cmspruce3.293.397.853.1145.4103.0134.84
fir2.4112.5102.190.3400.4350.4281.75
pine0.2300.3200.1400.2490.4260.0720.213
larch0.0730.2270.1324.2122.5151.7150.98
stone pine......0.5330.4310.01000.122
other conifers0.11000.243......0.01000.139
beech2.0122.591.3110.1710.1510.7181.46
maple0.1270.1320.221....0.01000.115
ash0.2260.7170.1250.0100..0.0710.213
oak0.1440.6210.064..0.01000.1520.218
chestnut....0.0840.0100..1.5270.226
other broadleaves0.1530.5410.1440.1580.1690.1400.227
total8.3510.9511.948.489.377.7810.02
totalspruce9.169.4520.0311.5817.867.31013.32
fir6.975.374.960.8320.5330.9244.04
pine1.0171.0130.4272.5172.1170.1480.98
larch0.1400.4190.3218.9105.1114.6102.15
stone pine....0.01001.4211.8180.1880.313
other conifers0.2390.4280.0500.0550.1340.01000.120
beech10.057.655.360.5360.4364.0125.53
maple1.681.1101.870.2340.2580.3261.15
ash1.1142.591.2110.5430.2470.5261.26
oak0.6171.6130.1260.3380.11000.8190.69
chestnut0.0.0.0800.1810.164..4.7130.613
other broadleaves0.8151.7151.1111.3170.9233.8101.56
total31.4231.0235.2227.8429.3327.2331.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204466/190729
NFI4b
basal area
diameter classes · main tree species
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
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
beech1.10.10.80.10.60.10.30.01.00.20.70.0
maple0.40.10.30.00.20.00.20.00.20.10.30.0
ash0.20.00.30.10.10.00.10.00.30.10.20.0
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 broadleaves0.40.10.50.10.40.10.80.12.00.30.70.0
total4.10.23.90.33.30.24.60.26.10.44.30.1
16-23 cmspruce2.40.33.10.44.10.35.40.32.20.33.80.1
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
larch0.00.00.10.00.10.01.00.11.70.30.50.1
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
beech3.20.32.30.21.90.20.90.13.20.52.00.1
maple1.00.10.90.20.70.10.50.10.40.10.70.1
ash0.60.10.70.10.50.10.50.10.50.10.50.0
oak0.30.10.30.10.00.00.10.00.60.20.20.0
chestnut.0.0.0.0.0.00.00.03.40.60.40.1
other broadleaves0.70.11.00.10.70.21.60.24.20.51.40.1
total10.40.59.90.69.60.511.90.516.51.011.30.2
24-35 cmspruce5.40.66.20.610.20.711.20.54.90.78.40.3
fir3.70.52.30.33.10.30.80.10.50.22.00.1
pine0.90.30.50.10.20.21.60.20.10.10.80.1
larch0.10.00.30.1.0.02.10.23.90.61.10.1
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
beech8.20.75.00.44.20.41.80.24.60.74.30.2
maple1.70.21.40.21.90.21.00.20.30.11.30.1
ash1.00.21.70.21.40.30.80.20.60.21.10.1
oak1.10.30.80.20.10.00.10.01.00.30.50.1
chestnut.0.0.0.0.0.00.10.14.40.70.50.1
other broadleaves0.80.21.20.20.60.10.80.14.90.71.30.1
total22.90.919.60.921.60.821.20.625.21.121.70.4
36-51 cmspruce9.20.79.40.717.00.817.70.77.90.913.50.4
fir7.10.64.50.45.30.41.70.20.90.33.80.2
pine1.90.31.50.20.40.21.50.20.20.11.20.1
larch0.10.00.30.10.00.04.10.44.50.61.90.1
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
beech12.80.88.40.66.00.52.30.33.50.66.20.2
maple1.70.20.90.11.20.20.90.10.10.11.00.1
ash1.40.23.30.40.90.20.50.10.40.21.30.1
oak1.00.21.60.30.10.00.20.10.70.20.60.1
chestnut.0.00.00.0.0.00.00.03.00.50.30.1
other broadleaves0.60.21.40.20.20.10.60.12.40.40.90.1
total35.90.931.51.031.20.830.20.723.81.130.90.4
>= 52 cmspruce9.90.810.50.921.21.218.40.911.31.415.30.5
fir7.20.88.00.87.80.72.40.31.60.45.40.3
pine0.60.21.10.20.20.10.70.10.10.10.60.1
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
beech6.90.87.90.73.80.51.70.32.80.54.30.2
maple0.40.10.40.10.40.10.30.10.00.00.30.0
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.0.0.0.0.0.00.20.15.71.50.70.2
other broadleaves0.40.21.50.70.10.10.60.20.30.10.60.2
total26.71.235.11.434.31.332.11.028.51.931.80.6
totalspruce27.81.530.61.553.71.754.71.427.12.442.40.8
fir20.91.416.41.218.31.25.60.63.50.812.80.5
pine3.50.63.20.41.00.45.00.60.50.33.00.2
larch0.20.11.20.20.30.114.01.016.71.66.50.4
stone pine.0.0.0.0.0.03.10.40.00.01.00.1
other conifers0.50.21.40.40.10.10.20.10.10.10.50.1
beech32.21.524.51.316.61.27.10.715.11.717.60.5
maple5.20.43.90.44.40.42.90.31.00.33.60.2
ash3.80.58.20.83.50.52.20.31.90.53.90.2
oak2.90.54.90.60.30.10.60.12.70.52.00.2
chestnut.0.00.00.0.0.00.30.217.62.22.10.3
other broadleaves3.00.45.60.92.00.34.30.513.91.44.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204467/190730
NFI4b
basal area
diameter classes · main tree species
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest
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......0.0230.01000.022
other conifers0.0430.0390.0450.028..0.019
beech0.490.390.2120.1150.3150.25
maple0.1170.1170.1200.1150.1330.18
ash0.1230.1170.1220.0190.1240.19
oak0.0500.0390.0580.0350.0320.022
chestnut..0.0100..0.01000.3210.021
other broadleaves0.1130.1150.1150.3110.5130.26
total1.361.261.251.441.671.32
16-23 cmspruce0.8131.0111.581.660.6141.24
fir0.6100.4150.6100.1150.1330.36
pine0.0360.0570.0710.3170.01000.115
larch0.01000.0460.0600.3130.5170.210
stone pine......0.1180.01000.018
other conifers0.0380.0320.0450.032..0.018
beech1.090.780.7100.3130.9160.65
maple0.3130.3180.3150.2140.1300.27
ash0.2190.2160.2200.1180.1300.29
oak0.1310.1340.0640.0320.2310.116
chestnut......0.01000.9180.117
other broadleaves0.2160.3140.3230.5121.2120.47
total3.253.053.653.644.563.52
24-35 cmspruce1.7111.9103.873.451.3152.64
fir1.2130.7131.1110.3170.1370.66
pine0.3300.1260.1850.5150.0680.213
larch0.0710.141..0.6101.1150.48
stone pine......0.318..0.118
other conifers0.0420.142..0.057..0.028
beech2.581.581.6100.6121.2151.45
maple0.5140.4140.7130.3160.1380.47
ash0.3210.5140.5180.2240.2340.39
oak0.3240.2220.0650.0390.3250.213
chestnut......0.0641.2170.216
other broadleaves0.3190.4170.2220.2171.3140.48
total7.155.958.146.446.956.82
36-51 cmspruce2.982.986.455.352.2134.23
fir2.291.4102.080.5140.3271.25
pine0.6180.5160.2510.5140.1460.49
larch0.0460.1320.0601.291.2130.67
stone pine......0.317..0.117
other conifers0.1690.143..0.01000.01000.036
beech4.062.672.390.7131.0161.94
maple0.5130.3160.4140.3170.0470.38
ash0.4181.0140.4180.2210.1400.49
oak0.3210.5170.0440.0330.2310.211
chestnut..0.0100..0.0510.8180.118
other broadleaves0.2300.4170.1280.2190.7150.39
total11.239.6411.849.136.569.72
>= 52 cmspruce3.193.2108.075.663.1134.84
fir2.2112.4112.990.7140.4281.75
pine0.2300.3210.1470.2210.0720.213
larch0.0730.1300.1582.091.7150.98
stone pine......0.322..0.122
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......0.0611.6270.226
other broadleaves0.1380.5500.1700.2370.1400.227
total8.3510.7512.959.747.7810.02
totalspruce8.669.3620.2416.547.41013.32
fir6.575.086.971.7110.9244.04
pine1.1161.0130.4451.5110.1480.98
larch0.1340.4200.1384.274.5102.06
stone pine......0.9140.01000.314
other conifers0.2450.4290.0520.1310.01000.120
beech10.057.456.272.1104.1125.53
maple1.681.2101.7100.9110.3261.15
ash1.2132.5101.3140.7150.5261.26
oak0.9181.5130.1330.2250.7190.69
chestnut..0.080..0.1544.8130.613
other broadleaves0.9141.7170.7141.3113.8101.56
total31.1230.4237.6230.2227.2331.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204468/190731
NFI4b
basal area
diameter classes · main tree species
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
diameter classesmain tree species %± %± %± %± %± %± %±
12-15 cmspruce1.10.11.60.11.10.11.80.22.60.20.80.11.40.1
fir0.60.10.60.10.40.10.10.00.00.00.10.00.40.0
pine0.00.00.00.00.00.00.50.10.40.10.00.00.10.0
larch0.00.00.00.00.00.00.60.10.30.10.50.10.20.0
stone pine.0.0.0.0.0.00.10.00.20.10.00.00.00.0
other conifers0.10.00.00.00.00.00.00.00.20.1.0.00.10.0
beech1.00.10.60.10.70.10.30.10.10.01.00.20.70.0
maple0.30.00.30.10.20.10.30.10.10.00.20.10.30.0
ash0.30.00.20.00.20.00.10.00.10.00.30.10.20.0
oak0.10.00.00.00.00.00.20.1.0.00.20.10.10.0
chestnut0.00.0.0.0.0.00.00.0.0.01.00.20.10.0
other broadleaves0.40.00.50.10.50.10.90.20.70.22.00.30.70.0
total4.00.23.90.23.20.34.90.44.50.36.10.44.30.1
16-23 cmspruce2.80.24.30.34.10.44.90.66.50.52.20.33.80.1
fir1.60.11.50.20.90.10.30.10.20.10.30.11.10.1
pine0.10.00.10.10.10.12.00.51.00.20.00.00.40.1
larch0.10.00.10.00.10.12.10.30.80.21.70.30.50.1
stone pine.0.0.0.0.0.00.50.10.70.20.00.00.10.0
other conifers0.10.00.00.00.10.00.10.00.10.0.0.00.10.0
beech2.70.21.80.21.90.20.70.20.30.13.20.52.00.1
maple1.00.10.90.10.80.10.50.10.10.00.40.10.70.1
ash0.60.10.40.10.90.20.60.20.30.10.50.10.50.0
oak0.30.10.10.00.00.00.40.10.00.00.60.20.20.0
chestnut.0.0.0.0.0.00.10.1.0.03.40.60.40.1
other broadleaves0.80.10.70.11.20.31.80.31.60.44.20.51.40.1
total10.10.49.90.510.00.614.00.911.70.816.51.011.30.2
24-35 cmspruce5.80.411.00.89.60.89.60.912.80.94.90.78.40.3
fir2.90.33.10.41.80.30.70.20.20.10.50.22.00.1
pine0.70.10.30.20.40.22.70.61.70.40.10.10.80.1
larch0.20.10.10.10.10.04.30.62.10.33.90.61.10.1
stone pine.0.0.0.0.0.01.10.31.70.4.0.00.30.1
other conifers0.20.10.10.00.00.00.00.00.00.0.0.00.10.0
beech6.50.43.80.44.00.51.30.40.80.24.60.74.30.2
maple1.50.21.70.32.20.30.40.10.40.20.30.11.30.1
ash1.40.21.10.31.60.31.00.50.30.20.60.21.10.1
oak0.90.20.10.10.00.00.30.10.00.01.00.30.50.1
chestnut.0.0.0.0.0.00.30.20.00.04.40.70.50.1
other broadleaves1.00.10.50.10.90.20.90.20.50.24.90.71.30.1
total21.10.621.80.820.71.022.61.120.51.025.21.121.70.4
36-51 cmspruce9.30.518.50.915.91.013.21.120.61.27.90.913.50.4
fir5.70.44.60.44.50.51.30.40.60.20.90.33.80.2
pine1.70.20.50.20.40.12.10.51.90.40.20.11.20.1
larch0.20.10.10.10.20.18.00.94.80.64.50.61.90.1
stone pine.0.00.00.0.0.01.10.31.40.3.0.00.30.0
other conifers0.20.10.00.0.0.0.0.0.0.00.00.00.10.0
beech10.50.54.80.66.50.70.60.31.30.43.50.66.10.2
maple1.20.11.10.21.80.20.20.10.40.20.10.11.00.1
ash2.40.30.60.11.60.30.20.10.10.00.40.21.30.1
oak1.30.20.10.00.20.10.20.10.10.10.70.20.60.1
chestnut0.00.00.00.0.0.00.10.10.00.03.00.50.30.1
other broadleaves1.00.20.40.10.40.10.70.20.30.12.40.40.90.1
total33.60.730.80.931.51.127.71.331.51.123.81.130.90.4
>= 52 cmspruce10.20.620.71.222.31.713.11.619.11.511.31.415.30.5
fir7.60.67.60.75.60.71.10.41.30.41.60.45.40.3
pine0.80.10.20.10.10.10.50.31.50.30.10.10.60.1
larch0.30.10.20.10.40.213.21.57.31.06.10.92.90.2
stone pine.0.0.0.0.0.01.50.51.20.3.0.00.30.1
other conifers0.50.20.10.1.0.0.0.0.0.00.00.00.20.1
beech7.40.53.40.54.30.60.70.30.80.32.80.54.30.2
maple0.40.10.40.10.70.2.0.00.20.10.00.00.30.1
ash1.60.20.40.10.70.20.00.00.10.10.20.10.80.1
oak1.40.3.0.00.20.10.00.00.20.10.20.10.60.1
chestnut.0.0.0.0.0.00.50.30.00.05.71.50.70.2
other broadleaves1.00.40.60.30.30.20.20.10.20.20.30.10.60.2
total31.20.933.51.334.61.730.81.931.81.628.51.931.80.6
totalspruce29.31.156.11.852.92.242.62.561.72.227.12.442.40.8
fir18.50.917.51.313.21.23.50.92.30.53.50.812.70.5
pine3.30.31.10.51.10.47.91.46.41.00.50.33.00.2
larch0.70.10.60.20.80.328.22.415.21.516.71.66.50.4
stone pine.0.00.00.0.0.04.30.95.20.90.00.01.00.1
other conifers1.00.20.20.10.10.10.10.10.30.10.10.10.50.1
beech28.11.014.41.217.41.43.50.93.30.815.11.717.50.5
maple4.50.34.50.55.70.61.40.31.20.41.00.33.60.2
ash6.20.52.60.45.00.72.00.70.80.31.90.53.90.2
oak4.00.40.30.10.40.21.00.40.30.22.70.52.00.2
chestnut0.00.00.00.0.0.00.90.60.10.117.62.22.10.3
other broadleaves4.40.52.70.53.40.54.60.73.40.713.91.44.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204469/190732
NFI4b
basal area
diameter classes · main tree species
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 classesmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmspruce0.390.690.4110.5120.890.2150.44
fir0.290.2120.1170.0360.0640.0340.16
pine0.0580.0600.0690.1300.1260.01000.017
larch0.0800.0520.0530.2170.1210.1200.112
stone pine......0.0380.1280.01000.022
other conifers0.0290.0590.0620.0610.036..0.019
beech0.360.2130.2150.1320.0370.3150.25
maple0.1120.1190.1230.1270.0370.1330.18
ash0.1140.1250.1230.0330.0420.1240.19
oak0.0400.0690.0580.139..0.0320.022
chestnut0.0100....0.0100..0.3210.021
other broadleaves0.1100.2150.2200.3160.2220.5130.26
total1.241.451.271.471.371.671.32
16-23 cmspruce0.981.581.5101.4131.980.6141.24
fir0.590.5110.3160.1290.1370.1330.36
pine0.0370.0660.0570.6230.3250.01000.115
larch0.0430.0450.0540.6150.2250.5170.210
stone pine......0.1250.2230.01000.018
other conifers0.0250.0820.0420.0640.039..0.019
beech0.860.6120.7130.2320.1320.9160.65
maple0.3110.3150.3170.1260.0400.1300.27
ash0.2120.1200.3200.2340.1460.1300.29
oak0.1230.0470.01000.1370.01000.2310.116
chestnut......0.0100..0.9180.117
other broadleaves0.3110.2180.5230.5170.5241.2120.47
total3.143.453.863.973.564.563.52
24-35 cmspruce1.883.883.692.7113.881.3152.64
fir0.991.1120.7160.2340.0460.1370.66
pine0.2210.1720.2490.8220.5250.0680.212
larch0.0360.0480.0711.2140.6161.1150.48
stone pine......0.3300.522..0.118
other conifers0.0320.0790.01000.0.0.0100..0.028
beech2.061.3121.5120.4300.2301.2151.35
maple0.5100.6150.8160.1340.1420.1380.47
ash0.4120.4240.6180.3530.1520.2340.39
oak0.3160.0560.01000.1470.01000.3250.213
chestnut......0.1710.01001.2170.216
other broadleaves0.3130.2280.3210.3260.1351.3140.48
total6.537.657.866.466.066.956.82
36-51 cmspruce2.966.466.073.7106.172.2134.23
fir1.771.691.7120.4340.2290.3271.25
pine0.5120.2500.1350.6230.6210.1460.49
larch0.1270.0550.1532.3131.4131.2130.67
stone pine..0.0100..0.3290.420..0.117
other conifers0.1380.0100......0.01000.036
beech3.251.7122.4100.2450.4311.0161.94
maple0.4100.4180.7140.1570.1590.0470.38
ash0.7110.2220.6180.1670.0500.1400.49
oak0.4130.0440.1430.0630.0730.2310.211
chestnut0.01000.0100..0.0710.01000.8180.118
other broadleaves0.3150.1290.1350.2330.1310.7150.39
total10.3310.7411.857.869.356.569.72
>= 52 cmspruce3.177.278.493.7135.693.1134.84
fir2.382.7102.1140.3350.4290.4281.75
pine0.3170.1560.0590.1490.4240.0720.213
larch0.1280.1490.1423.7132.2141.7150.98
stone pine......0.4330.330..0.122
other conifers0.1420.0100......0.01000.139
beech2.371.2151.6150.2470.2410.8181.46
maple0.1220.1310.330..0.0610.01000.115
ash0.5150.1390.3330.01000.01000.0710.213
oak0.420..0.1610.01000.1790.1600.218
chestnut......0.1660.01001.6270.226
other broadleaves0.3400.2530.1460.0580.1700.1400.227
total9.6411.7513.068.789.467.7810.02
totalspruce9.0419.6419.8612.0818.257.41013.32
fir5.756.184.9101.0260.7230.9244.04
pine1.0100.4440.4332.2171.9160.1480.98
larch0.2180.2300.3357.9104.5104.5102.16
stone pine..0.0100..1.2211.5170.01000.313
other conifers0.3240.1610.0410.0550.1340.01000.120
beech8.645.096.591.0261.0254.1125.53
maple1.471.6102.1110.4230.3370.3261.15
ash1.980.9171.9140.6360.2410.5261.26
oak1.2110.1320.2380.3350.1710.7190.69
chestnut0.0800.0100..0.3610.01004.8130.613
other broadleaves1.3121.0181.3151.3151.0203.8101.56
total30.7234.8337.5328.1429.5327.2331.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204470/190733
NFI4b
basal area
diameter classes · main tree species
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 regionmain tree species %± %± %± %± %± %±
Western Juraspruce2.60.43.00.43.50.44.30.44.40.43.90.3
fir3.00.42.70.32.50.33.50.33.40.43.10.2
pine0.00.00.10.00.50.20.70.20.30.10.40.1
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.20.10.10.00.00.00.00.00.00.00.00.0
beech3.10.33.60.44.70.54.90.42.10.33.70.2
maple1.20.21.10.21.00.20.70.10.10.00.60.1
ash0.50.10.40.10.50.10.50.10.20.10.40.1
oak0.60.30.30.10.50.20.30.10.10.00.30.1
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves1.30.20.70.10.40.10.20.10.10.00.30.1
total12.50.912.00.713.70.815.10.710.70.712.90.4
Eastern Juraspruce0.80.20.60.20.60.20.60.10.80.20.70.1
fir0.20.10.30.10.30.10.30.10.30.10.30.1
pine0.00.00.10.00.20.10.40.10.00.00.20.0
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.10.10.00.00.10.00.10.10.00.00.10.0
beech1.40.21.10.21.60.32.00.31.60.31.70.2
maple0.30.10.40.10.30.10.20.10.10.10.20.0
ash0.40.20.50.10.20.10.20.10.20.10.30.0
oak0.00.00.10.10.30.10.20.10.10.10.20.1
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.40.10.30.10.20.10.10.00.20.10.20.0
total3.70.53.30.43.90.44.20.43.40.43.80.2
Western Plateauspruce1.00.41.20.41.10.31.40.31.20.31.20.2
fir0.40.10.30.10.30.10.50.10.80.20.50.1
pine0.00.00.00.00.10.10.30.10.10.10.20.1
larch0.30.30.10.10.10.10.00.00.00.00.10.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.10.10.00.00.10.10.10.0
beech0.70.21.10.21.00.21.40.20.70.21.00.1
maple0.20.10.20.10.00.00.10.00.00.00.10.0
ash0.50.20.40.10.50.20.50.10.40.20.50.1
oak0.10.10.40.20.40.10.40.10.20.10.30.1
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.50.20.30.10.20.10.20.10.40.20.30.1
total3.80.64.00.53.90.44.80.53.90.54.20.3
Central Plateauspruce2.00.41.50.31.30.21.60.32.00.31.70.2
fir1.00.21.00.20.90.21.20.22.00.31.30.2
pine0.10.10.20.10.10.00.10.00.20.10.10.0
larch0.00.00.00.00.00.00.10.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.10.00.00.00.10.00.10.00.20.10.10.0
beech1.20.21.10.11.30.21.70.21.40.21.40.1
maple0.30.10.20.10.20.10.10.00.00.00.10.0
ash0.20.10.10.00.30.10.50.20.30.10.30.1
oak0.00.00.10.00.20.10.20.10.20.10.20.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.50.10.60.20.30.10.20.10.10.10.20.1
total5.40.64.80.54.60.45.70.56.40.65.60.3
Eastern Plateauspruce2.70.52.50.42.90.42.70.32.90.42.80.2
fir0.60.20.60.20.70.10.90.21.80.31.10.1
pine0.00.00.00.00.20.10.50.10.40.10.30.1
larch0.00.00.10.00.10.10.10.00.20.10.10.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.20.10.20.10.00.00.00.00.20.10.10.1
beech1.80.21.70.22.10.32.10.22.50.32.20.2
maple0.70.11.10.31.00.20.30.10.20.10.50.1
ash0.70.20.60.10.70.11.10.20.60.10.80.1
oak0.00.00.10.00.20.10.40.10.90.30.50.1
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves1.10.20.80.10.60.10.50.10.40.40.50.1
total8.00.77.70.68.50.68.60.510.10.98.90.4
Western Pre-Alpsspruce1.70.42.20.42.70.53.00.33.30.52.90.3
fir0.50.20.60.20.70.20.60.10.80.20.70.1
pine0.00.00.00.00.00.00.00.00.00.00.00.0
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.00.00.00.00.00.00.00.0
beech0.30.10.60.20.60.20.50.10.20.10.40.1
maple0.20.10.40.10.30.10.10.10.10.00.20.0
ash0.10.10.20.10.30.10.10.00.00.00.10.0
oak0.00.00.00.00.10.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.50.20.40.10.00.00.00.00.00.00.10.0
total3.50.54.40.54.80.64.40.44.50.64.50.3
Central Pre-Alpsspruce3.20.53.30.44.30.54.90.45.50.64.70.3
fir2.00.31.70.21.70.21.80.22.90.42.10.2
pine0.10.10.20.10.20.20.30.10.10.10.20.1
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.00.00.00.00.00.00.00.0
beech1.80.31.90.32.10.31.80.31.30.31.70.2
maple0.50.20.50.10.80.20.20.10.00.00.30.1
ash0.40.10.20.10.30.20.20.10.10.10.20.1
oak0.00.00.10.00.00.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.80.20.30.10.10.00.10.00.00.00.10.0
total8.90.78.30.69.50.79.40.610.00.89.40.4
Eastern Pre-Alpsspruce1.50.32.50.43.50.44.20.45.90.74.30.3
fir0.70.20.60.10.70.11.30.21.70.31.20.1
pine0.00.00.00.00.00.00.00.00.00.00.00.0
larch0.00.00.10.10.00.00.00.00.10.10.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.10.00.00.00.00.00.00.00.00.0
beech1.20.31.20.21.50.32.00.31.10.21.50.2
maple0.40.10.50.10.90.20.50.10.20.10.50.1
ash0.30.10.60.20.70.20.40.10.20.10.40.1
oak0.00.00.00.00.00.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.50.10.70.30.40.10.10.00.10.10.20.1
total4.80.56.30.67.70.68.50.69.40.88.20.4
Northwestern Alpsspruce2.40.31.90.32.90.43.60.43.80.53.30.3
fir0.30.10.30.10.40.10.50.10.90.20.60.1
pine0.10.00.00.00.00.00.00.00.00.00.00.0
larch0.10.10.10.00.10.10.10.00.10.10.10.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.10.00.10.10.00.00.00.00.00.00.00.0
beech0.50.20.70.20.70.20.70.20.50.20.60.1
maple0.70.20.60.10.40.10.30.10.10.10.30.1
ash0.30.10.20.10.30.10.10.10.10.00.20.0
oak0.00.00.10.00.00.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves1.10.30.50.10.30.10.20.10.30.20.30.1
total5.50.64.30.45.20.55.50.55.90.65.40.4
Central Alpsspruce1.10.21.20.21.30.31.40.31.70.31.50.2
fir0.40.10.40.10.40.10.50.10.40.20.40.1
pine0.10.10.10.00.10.10.10.10.00.00.10.0
larch0.00.00.00.00.00.00.00.00.00.00.00.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.10.10.00.00.00.00.00.00.00.00.00.0
beech0.30.10.50.10.50.10.40.10.30.10.40.1
maple0.10.00.10.10.20.10.10.00.00.00.10.0
ash0.30.10.20.10.20.10.10.10.00.00.10.0
oak0.00.00.00.00.00.00.00.00.10.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.70.30.40.20.10.00.00.00.00.00.10.0
total3.10.52.90.42.80.42.70.32.60.42.70.3
Northeastern Alpsspruce1.00.21.30.31.40.31.50.22.20.41.60.2
fir0.20.10.10.00.10.10.20.10.30.10.20.1
pine0.00.00.10.10.10.10.00.00.00.00.00.0
larch0.10.00.10.00.00.00.10.00.10.00.10.0
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.00.00.00.00.00.00.00.0
beech0.70.20.60.20.50.10.60.10.50.10.60.1
maple0.20.10.30.10.40.10.20.10.10.10.20.1
ash0.10.00.20.10.10.10.20.10.10.00.10.0
oak0.00.00.00.00.00.00.00.00.00.00.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves0.50.20.40.10.10.00.10.00.00.00.10.0
total2.70.43.10.42.80.43.00.33.30.53.00.3
Southwestern Alpsspruce3.50.43.70.53.80.43.70.43.50.53.60.3
fir0.30.10.20.10.30.10.40.10.30.10.30.1
pine1.00.31.50.41.10.20.60.10.10.10.70.1
larch1.10.21.60.21.70.22.20.33.50.52.40.2
stone pine0.20.10.40.10.40.10.30.10.40.10.40.1
other conifers0.10.00.10.00.00.00.00.00.00.00.00.0
beech0.50.20.50.20.50.20.20.10.20.10.30.1
maple0.50.10.40.10.20.10.10.00.00.00.10.0
ash0.20.10.40.10.40.20.10.00.00.00.20.1
oak0.40.20.30.10.10.10.00.00.00.00.10.0
chestnut0.10.10.00.00.10.10.00.00.10.10.10.0
other broadleaves1.90.31.40.20.40.10.20.10.00.00.40.1
total9.90.810.50.88.90.67.60.58.30.78.50.4
Southeastern Alpsspruce7.00.76.80.66.90.67.80.67.00.77.20.4
fir0.10.10.20.10.10.00.20.10.50.10.30.1
pine1.00.31.00.30.90.20.70.20.50.10.70.1
larch0.70.10.90.21.10.21.80.22.70.41.80.2
stone pine0.50.10.80.20.90.20.50.10.40.10.60.1
other conifers0.40.20.10.00.00.00.00.00.00.00.00.0
beech0.20.10.30.10.50.10.50.10.30.10.40.1
maple0.30.10.10.00.20.10.10.10.10.00.10.0
ash0.20.10.30.10.20.10.00.00.00.00.10.0
oak0.00.00.00.00.00.00.00.00.10.10.00.0
chestnut0.00.00.00.00.00.00.00.00.00.00.00.0
other broadleaves2.00.41.70.40.30.10.10.00.10.10.40.1
total12.50.912.10.911.00.711.90.611.70.811.70.4
Southern Alpsspruce2.10.32.10.32.50.42.80.44.00.53.00.3
fir0.30.10.30.10.30.10.30.10.60.20.40.1
pine0.10.10.00.00.10.10.10.00.00.00.10.0
larch1.30.31.70.32.00.31.60.22.10.31.90.2
stone pine0.00.00.00.00.00.00.00.00.00.00.00.0
other conifers0.00.00.00.00.00.00.00.00.00.00.00.0
beech2.70.43.10.52.30.41.30.21.00.21.70.2
maple0.50.20.40.10.20.10.00.00.00.00.10.0
ash0.80.20.50.10.30.10.10.10.10.00.20.1
oak0.40.10.60.20.50.10.30.10.10.00.30.1
chestnut2.50.53.40.62.30.41.10.22.00.51.90.3
other broadleaves5.20.74.20.52.50.30.90.10.10.01.50.2
total15.81.216.21.012.90.88.50.59.90.911.10.4
Switzerlandspruce32.51.233.81.138.61.143.60.948.21.242.40.7
fir10.10.69.30.59.30.612.20.616.70.812.60.4
pine2.50.43.30.53.60.43.80.41.80.23.00.2
larch3.80.54.60.45.20.46.00.48.90.76.50.3
stone pine0.80.21.10.21.30.20.80.10.80.21.00.1
other conifers1.30.30.70.10.30.10.20.10.50.20.50.1
beech16.40.818.10.819.80.819.90.713.70.717.60.5
maple6.20.56.40.56.00.43.20.21.10.23.60.2
ash4.90.54.80.45.10.54.10.42.40.33.90.2
oak1.80.42.00.32.30.32.00.21.80.32.00.2
chestnut2.60.53.40.62.40.41.10.22.20.52.00.3
other broadleaves17.11.012.50.85.90.52.80.31.90.54.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204471/190734
NFI4b
basal area
diameter classes · main tree species
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 regionmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
Western Juraspruce0.3130.8141.9123.283.499.66
fir0.3110.7101.3142.692.6127.77
pine0.01000.0510.3360.5230.2311.020
larch0.01000.0.0.01000.0730.01000.053
stone pine............
other conifers0.0530.0440.0100....0.134
beech0.3111.0102.5103.771.6149.16
maple0.1200.3150.5160.5140.1331.610
ash0.0240.1260.3250.4240.2331.017
oak0.1500.1350.3300.3240.1490.822
chestnut............
other broadleaves0.1150.2190.2220.2390.0810.818
total1.363.357.2511.448.3631.52
Eastern Juraspruce0.3280.5321.0301.5222.0255.316
fir0.1360.3430.5360.7320.7302.324
pine0.0730.1510.3510.8280.01001.324
larch..0.01000.01000.1600.01000.242
stone pine............
other conifers0.0700.0710.1450.3680.11000.658
beech0.5161.0152.8155.0124.01913.29
maple0.1260.3250.5300.5300.3471.718
ash0.1420.4270.4380.6250.4332.019
oak0.0.0.1690.5380.5400.4621.430
chestnut............
other broadleaves0.1270.2280.4350.3380.5421.420
total1.2122.9106.61010.288.41229.45
Western Plateauspruce0.3361.0301.9263.3192.9259.514
fir0.1300.3330.5341.3262.0304.222
pine0.0...0.2600.7420.3511.235
larch0.11000.1810.2710.1510.01000.541
stone pine............
other conifers0.01000.01000.11000.11000.21000.470
beech0.2231.0191.6163.2171.8217.814
maple0.1440.2340.1760.2480.1710.625
ash0.2360.3260.9301.2241.0393.621
oak0.0570.4450.6351.0310.5522.525
chestnut0.0100........0.0100
other broadleaves0.2360.2330.4520.5330.9452.127
total1.2163.5126.51111.599.71232.46
Central Plateauspruce0.5201.0191.6182.8153.5169.210
fir0.2170.6181.1182.0153.5157.311
pine0.01000.1700.1500.2310.3410.725
larch0.01000.073..0.1580.1720.246
stone pine............
other conifers0.0450.0700.1540.1590.3540.637
beech0.3160.7131.5152.8102.4167.69
maple0.1390.1350.2290.233..0.619
ash0.1300.1310.3220.8460.6381.829
oak0.0710.0500.2420.4340.3341.021
chestnut............
other broadleaves0.1300.4290.3310.3430.2901.324
total1.2103.095.599.6811.1830.44
Eastern Plateauspruce0.4170.9162.1142.8113.1149.38
fir0.1280.2340.5210.9161.9173.712
pine0.01000.0580.1330.6190.4271.117
larch0.0710.0600.1490.1500.2350.427
stone pine............
other conifers0.0520.1390.0710.0730.2920.354
beech0.3130.6121.5122.1102.6137.28
maple0.1200.4230.7160.4190.2371.812
ash0.1240.2250.5211.1140.7222.612
oak0.0580.0440.1290.4200.9291.520
chestnut......0.0100..0.0100
other broadleaves0.2210.3160.4210.5230.5901.827
total1.182.986.178.9610.7829.73
Western Pre-Alpsspruce0.6212.1174.8177.8118.81424.09
fir0.2300.6261.3291.7202.2276.020
pine............
larch0.01000.0100......0.0100
stone pine............
other conifers............
beech0.1320.5311.1331.3300.6423.623
maple0.1330.4260.6310.4400.2511.721
ash0.0500.2370.6390.2550.11001.133
oak0.01000.0.0.1790.0100..0.166
chestnut............
other broadleaves0.2350.4370.1490.0100..0.627
total1.2144.1118.61211.2911.91137.16
Central Pre-Alpsspruce0.5141.4123.5115.786.61017.66
fir0.3140.7131.4142.1113.4127.98
pine0.0870.1710.2850.3580.2560.750
larch0.01000.0100..0.0100..0.071
stone pine............
other conifers0.0710.0100....0.01000.180
beech0.3160.8141.7142.1141.5206.411
maple0.1330.2250.6200.3240.0711.217
ash0.1340.1330.3450.2320.1620.829
oak0.01000.0760.01000.161..0.149
chestnut............
other broadleaves0.1230.1240.1390.1320.01000.518
total1.473.577.7610.9511.9735.34
Eastern Pre-Alpsspruce0.3171.4143.8126.5109.41221.47
fir0.2250.3220.7202.1152.7156.012
pine......0.1520.1720.150
larch0.01000.0100..0.0710.2580.246
stone pine............
other conifers0.0580.051......0.041
beech0.3220.7171.7163.0131.8197.511
maple0.1310.3260.9210.7190.3382.314
ash0.1340.4290.8220.7230.3432.218
oak0.01000.01000.0.0.0700.11000.160
chestnut............
other broadleaves0.1240.4390.5270.1540.1811.223
total1.0103.598.4713.2614.9841.04
Northwestern Alpsspruce0.6131.3133.8136.7117.21219.58
fir0.1320.2290.5290.8241.8233.320
pine0.0760.01000.11000.157..0.250
larch0.0660.0580.1480.1630.3490.632
stone pine......0.0100..0.0100
other conifers0.0810.01000.1790.0100..0.186
beech0.1310.5260.9231.2261.0303.718
maple0.2270.4240.6310.6300.2452.017
ash0.1470.1340.3430.3350.2511.027
oak0.01000.0600.01000.071..0.155
chestnut......0.0100..0.0100
other broadleaves0.3220.3270.4380.3420.7552.027
total1.4102.996.7910.2811.2932.55
Central Alpsspruce0.6201.7183.7185.7187.11718.812
fir0.2260.6251.0331.8281.8365.524
pine0.1780.1530.4500.4490.11001.042
larch............
stone pine............
other conifers0.0100........0.0100
beech0.2270.7271.4281.5271.0354.821
maple0.1500.2420.6320.4330.11001.323
ash0.2370.3340.4510.4570.11001.534
oak0.0100..0.01000.2610.2760.452
chestnut............
other broadleaves0.4390.6430.2440.1590.1701.431
total1.7144.2117.71210.61210.61534.98
Northeastern Alpsspruce0.4201.6203.2235.1157.61917.912
fir0.1370.1450.3440.8311.0452.230
pine0.01000.11000.3890.172..0.576
larch0.0600.1600.1710.3610.3610.849
stone pine............
other conifers0.01000.0700.0100....0.186
beech0.3280.8261.3252.1201.7296.116
maple0.1420.4270.9310.8260.4532.621
ash0.0510.3410.4360.7340.3601.630
oak0.0100....0.0100..0.087
chestnut............
other broadleaves0.2340.5310.2370.3570.2581.426
total1.3133.9126.61410.11011.31433.27
Southwestern Alpsspruce0.5121.4132.7113.7103.71312.08
fir0.0360.1290.2340.4340.3351.026
pine0.1300.6230.8220.6230.1492.217
larch0.2170.6151.2142.3133.7137.910
stone pine0.0380.1250.3300.3290.4331.221
other conifers0.0610.0640.0.....0.055
beech0.1320.2320.4300.2450.2471.026
maple0.1270.1260.1340.157..0.423
ash0.0330.2340.3530.1670.01000.636
oak0.1390.1370.1470.0630.01000.335
chestnut0.01000.01000.1710.0710.1660.361
other broadleaves0.3160.5170.3260.2330.0581.315
total1.473.976.467.868.7828.14
Southeastern Alpsspruce0.891.983.886.175.6918.25
fir0.0640.1370.0460.2290.4290.723
pine0.1260.3250.5250.6210.4241.916
larch0.1210.2250.6161.4132.2144.510
stone pine0.1280.2230.5220.4200.3301.517
other conifers0.0360.0390.0100....0.134
beech0.0370.1320.2300.4310.2411.025
maple0.0370.0400.1420.1590.0610.337
ash0.0420.1460.1520.0500.01000.241
oak..0.01000.01000.0730.1790.171
chestnut....0.01000.01000.01000.0100
other broadleaves0.2220.5240.1350.1310.1701.020
total1.373.566.069.359.4629.53
Southern Alpsspruce0.2150.6141.3152.2133.1137.410
fir0.0340.1330.1370.3270.4280.924
pine0.01000.01000.0680.1460.0720.148
larch0.1200.5171.1151.2131.7154.510
stone pine0.01000.0100......0.0100
other conifers......0.01000.01000.0100
beech0.3150.9161.2151.0160.8184.112
maple0.1330.1300.1380.0470.01000.326
ash0.1240.1300.2340.1400.0710.526
oak0.0320.2310.3250.2310.1600.719
chestnut0.3210.9181.2170.8181.6274.813
other broadleaves0.5131.2121.3140.7150.1403.810
total1.674.566.956.567.7827.23
Switzerlandspruce0.441.242.644.234.8413.32
fir0.160.360.661.251.754.04
pine0.0170.1150.2130.490.2131.08
larch0.1120.2100.480.670.982.06
stone pine0.0220.0180.1180.1170.1220.313
other conifers0.0190.0190.0280.0370.1400.120
beech0.250.651.451.941.465.53
maple0.180.270.470.380.1151.15
ash0.190.290.390.490.2131.26
oak0.0220.1160.2130.2110.2180.69
chestnut0.0210.1170.2160.1180.2260.613
other broadleaves0.260.470.480.390.2261.56
total1.323.526.829.7210.0231.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204472/190735
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves %± %± %± %± %± %± %±
12-15 cmconfers1.90.11.90.22.00.13.30.33.80.31.50.22.20.1
broadleaves2.20.22.00.11.60.11.70.30.90.24.70.42.10.1
total4.00.23.90.23.60.25.00.44.70.46.20.44.30.1
16-23 cmconfers4.90.44.70.45.70.310.50.910.00.74.40.56.00.2
broadleaves5.50.35.20.34.30.33.50.52.10.512.40.95.30.2
total10.40.59.90.510.00.414.01.012.10.816.71.011.30.2
24-35 cmconfers10.40.89.30.713.60.619.61.219.41.19.60.912.70.3
broadleaves12.30.810.20.67.80.53.10.71.40.415.51.29.00.3
total22.70.919.50.821.50.622.61.220.81.125.11.121.70.4
36-51 cmconfers19.10.916.00.822.90.726.91.429.71.213.51.120.70.4
broadleaves17.20.915.30.88.20.51.30.31.20.410.10.910.20.3
total36.30.931.30.931.20.728.21.430.81.223.61.130.90.4
>= 52 cmconfers18.51.121.01.228.71.029.52.030.81.719.21.624.60.6
broadleaves8.00.814.31.15.10.50.70.30.80.39.21.57.30.4
total26.51.235.31.333.81.030.11.931.61.728.41.831.80.6
totalconfers54.81.753.01.672.91.289.81.593.71.148.22.766.10.7
broadleaves45.21.747.01.627.11.210.21.56.31.151.82.733.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204473/190736
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmconfers0.680.690.750.991.180.4120.73
broadleaves0.780.660.670.5140.3201.380.74
total1.361.261.341.481.471.771.32
16-23 cmconfers1.581.582.052.992.971.2111.93
broadleaves1.761.661.561.0140.6223.471.73
total3.353.153.543.973.574.563.52
24-35 cmconfers3.382.984.855.485.772.6104.03
broadleaves3.973.252.860.9240.4284.282.83
total7.156.147.646.376.166.856.82
36-51 cmconfers6.065.068.147.578.763.796.52
broadleaves5.454.762.960.4250.3312.793.23
total11.439.7411.037.979.056.469.72
>= 52 cmconfers5.876.5610.158.299.075.297.73
broadleaves2.5104.481.890.2450.2392.5172.35
total8.3510.9511.948.489.377.7810.02
totalconfers17.2416.4425.7325.0527.5413.1720.72
broadleaves14.2414.649.552.8151.91814.1610.62
total31.4231.0235.2227.8429.3327.2331.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204474/190737
NFI4b
basal area
diameter classes · conifers/broadleaves
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
diameter classesconifers/broadleaves %± %± %± %± %± %±
12-15 cmconfers1.80.12.00.21.90.13.00.21.40.22.20.1
broadleaves2.30.21.90.11.40.11.60.14.60.42.10.1
total4.10.23.90.33.30.24.60.26.10.44.30.1
16-23 cmconfers4.70.44.70.45.70.48.20.44.20.56.00.2
broadleaves5.70.45.20.43.90.33.70.312.30.95.30.2
total10.40.59.90.69.60.511.90.516.51.011.30.2
24-35 cmconfers10.20.89.40.713.40.716.70.69.50.912.70.3
broadleaves12.70.810.20.68.10.64.50.415.71.29.00.3
total22.90.919.60.921.60.821.20.625.21.121.70.4
36-51 cmconfers18.50.916.00.922.80.825.80.713.61.120.70.4
broadleaves17.50.915.60.98.50.64.40.410.20.910.20.3
total35.90.931.51.031.20.830.20.723.81.130.90.4
>= 52 cmconfers17.71.120.81.229.41.328.91.019.21.624.60.6
broadleaves9.00.914.31.14.90.53.10.49.31.57.30.4
total26.71.235.11.434.31.332.11.028.51.931.80.6
totalconfers52.91.752.81.773.31.582.61.147.92.766.10.7
broadleaves47.11.747.21.726.71.517.41.152.12.733.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204475/190738
NFI4b
basal area
diameter classes · conifers/broadleaves
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest
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
broadleaves0.780.670.580.571.380.74
total1.361.261.251.441.671.32
16-23 cmconfers1.581.492.262.551.1111.93
broadleaves1.861.671.581.173.371.73
total3.253.053.653.644.563.52
24-35 cmconfers3.282.985.065.042.6104.03
broadleaves3.963.163.171.494.382.83
total7.155.958.146.446.956.82
36-51 cmconfers5.764.968.647.843.796.52
broadleaves5.454.763.281.392.893.23
total11.239.6411.849.136.569.72
>= 52 cmconfers5.576.3711.158.745.297.73
broadleaves2.8104.391.8110.9132.5182.35
total8.3510.7512.959.747.7810.02
totalconfers16.4416.0427.6325.0313.0720.72
broadleaves14.6414.3410.165.3614.2610.62
total31.1230.4237.6230.2227.2331.41
© WSL, Swiss National Forest Inventory, 29.12.2015 #204476/190739
NFI4b
basal area
diameter classes · conifers/broadleaves
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
diameter classesconifers/broadleaves %± %± %± %± %± %± %±
12-15 cmconfers1.90.12.30.21.60.23.10.33.50.31.40.22.20.1
broadleaves2.10.11.60.11.60.21.80.21.00.24.60.42.10.1
total4.00.23.90.23.20.34.90.44.50.36.10.44.30.1
16-23 cmconfers4.70.36.10.45.20.49.90.89.40.64.20.56.00.2
broadleaves5.40.33.80.34.80.54.00.52.30.412.30.95.30.2
total10.10.49.90.510.00.614.00.911.70.816.51.011.30.2
24-35 cmconfers9.80.514.60.811.90.918.51.118.41.09.50.912.70.3
broadleaves11.30.57.20.68.80.84.20.72.10.415.71.29.00.3
total21.10.621.80.820.71.022.61.120.51.025.21.121.70.4
36-51 cmconfers17.10.623.70.921.01.125.81.429.31.213.61.120.70.4
broadleaves16.40.67.10.610.50.91.90.42.20.510.20.910.20.3
total33.60.730.80.931.51.127.71.331.51.123.81.130.90.4
>= 52 cmconfers19.40.828.81.328.41.729.31.930.41.619.21.624.60.6
broadleaves11.80.74.70.66.20.71.50.51.40.49.31.57.30.4
total31.20.933.51.334.61.730.81.931.81.628.51.931.80.6
totalconfers52.91.275.61.568.11.986.61.791.01.347.92.766.10.7
broadleaves47.11.224.41.531.91.913.41.79.01.352.12.733.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #204477/190740
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