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NFI4
basal area
diameter classes · main tree species
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
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 Juraspruce0.3110.8111.893.463.679.95
fir0.380.781.392.673.097.96
pine0.0620.0450.2270.5170.3241.115
larch0.01000.01000.0730.0520.0730.140
stone pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0430.0430.0640.01000.0.0.145
beech0.390.982.473.851.6109.04
maple0.1150.3110.5120.5100.1251.67
ash0.0190.1190.3190.3180.2251.013
oak0.0420.1290.3250.3190.2370.817
chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.1120.2140.3150.2250.0560.912
total1.353.247.2411.739.0432.32
Eastern Juraspruce0.3260.5240.8261.5181.6194.612
fir0.1270.2390.5280.8260.9282.520
pine0.0570.0540.3370.7210.2641.220
larch0.01000.01000.0580.2510.1630.345
stone pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0630.0730.1350.2570.1710.543
beech0.4130.9122.5124.984.21313.07
maple0.1240.3270.6210.5220.1471.713
ash0.1350.3230.5250.7180.4312.014
oak0.0.0.1530.5320.4290.7331.821
chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.2240.3320.5380.4380.7412.026
total1.282.886.5810.358.9829.73
Western Plateauspruce0.3231.0181.9202.5152.7168.410
fir0.1220.2220.6231.1201.7213.716
pine0.0.0.0.0.2450.4380.2460.730
larch0.0920.0740.1480.1400.3520.734
stone pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0700.0570.11000.2510.2680.444
beech0.2170.7151.7122.9112.2147.78
maple0.1230.3270.4370.2250.1511.119
ash0.2230.3220.8211.0160.8283.114
oak0.0540.2380.4321.0220.9292.518
chestnut0.0730.01000.01000.11000.01000.298
other broadleaves0.2220.4230.4340.4270.6412.019
total1.3103.386.589.859.7830.63
Central Plateauspruce0.4140.8141.7132.4123.1128.58
fir0.2170.7151.1141.8123.2127.08
pine0.01000.1690.1460.2260.2360.522
larch0.0760.0600.0630.1370.1430.329
stone pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0390.0460.1540.1550.2530.434
beech0.3130.7121.3132.782.7127.76
maple0.1270.2230.3200.3240.1630.915
ash0.1240.1230.3200.6350.5311.620
oak0.0660.0510.2360.3310.4230.918
chestnut0.0.0.01000.0.0.0.0.0.0.0100
other broadleaves0.1200.3200.2260.2360.2731.019
total1.373.065.468.7510.6628.93
Eastern Plateauspruce0.4121.0122.0112.983.0109.36
fir0.1270.3220.5170.9122.0133.89
pine0.0640.0420.2300.6150.5191.312
larch0.0710.0520.1400.1330.2250.420
stone pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0420.1390.1440.0400.1690.433
beech0.3110.791.4112.282.8107.36
maple0.1150.4160.6150.4140.2281.710
ash0.1170.3180.5160.9110.6172.49
oak0.0370.1380.2220.4170.7221.315
chestnut0.0.0.0.0.0.0.01000.0.0.0100
other broadleaves0.1160.3120.4150.4200.1421.311
total1.163.166.058.9410.2529.32
Western Pre-Alpsspruce0.5151.6124.5117.688.01022.26
fir0.2200.5191.2201.8142.9186.713
pine0.0.0.0.0.0.0.0.0.0.0.0.
larch0.0860.0700.0.0.01000.11000.163
stone pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.0.0.0.0.0.0.0.0.0.0.0.
beech0.1240.4231.0241.6181.1224.315
maple0.1240.3200.6230.3300.1421.516
ash0.0350.1300.4330.2370.1500.924
oak0.01000.01000.1810.0720.1720.244
chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.2250.3300.1400.01000.0.0.522
total1.2103.387.9811.5512.5836.44
Central Pre-Alpsspruce0.5101.393.085.566.7717.15
fir0.3110.7101.3112.384.098.76
pine0.0620.1480.2500.3420.1510.635
larch0.01000.01000.0.0.0580.1890.171
stone pine0.0.0.01000.01000.01000.0.0.1100
other conifers0.0580.0750.01000.0.0.01000.061
beech0.3120.8111.6102.0111.5166.28
maple0.1250.2170.5160.2180.1471.112
ash0.1240.1260.2310.2220.1550.720
oak0.01000.0760.0580.0530.0710.136
chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.1180.2160.1250.1300.0700.515
total1.353.457.1510.8412.7535.32
Eastern Pre-Alpsspruce0.4121.4113.1105.888.2918.96
fir0.2180.4150.9141.9102.8116.38
pine0.01000.01000.01000.1410.1630.243
larch0.0820.01000.01000.1590.2450.238
stone pine0.01000.0.0.01000.01000.01000.0100
other conifers0.0520.0410.0730.0.0.0.0.133
beech0.3160.7121.6112.7101.9137.28
maple0.1260.3230.7170.5150.2311.912
ash0.1260.3250.6190.7170.3311.913
oak0.01000.01000.01000.0710.1470.241
chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.1190.2230.3250.1360.1840.918
total1.173.467.4511.9413.9637.83
Northwestern Alpsspruce0.6101.5103.9106.788.0920.76
fir0.1250.2230.4240.7211.4192.716
pine0.1520.1710.0850.1530.01000.335
larch0.0510.0510.1440.1520.2410.528
stone pine0.0.0.0.0.0.0.0750.1710.168
other conifers0.0630.01000.0790.01000.0.0.179
beech0.2290.5201.0221.1201.0253.818
maple0.2190.4190.6210.6220.4572.215
ash0.1360.2270.3340.2310.1430.821
oak0.0730.1520.1730.1580.01000.351
chestnut0.0.0.0.0.0.0.01000.0.0.0100
other broadleaves0.3170.3220.4300.2380.4551.521
total1.583.376.979.8611.7733.14
Central Alpsspruce0.6171.6154.3135.6138.01420.29
fir0.2250.5240.9281.2271.7324.520
pine0.1570.1480.5390.7320.1571.531
larch0.0.0.0.0.0.0.0.0.0.0.0.
stone pine0.01000.01000.11000.01000.0.0.1100
other conifers0.0660.01000.0.0.0.0.0.0.159
beech0.1230.5231.2241.5190.9304.216
maple0.1530.3310.6420.4280.01001.424
ash0.1370.2400.3430.3560.11001.031
oak0.0700.0.0.01000.1610.1750.349
chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.3320.7320.4320.1510.1711.624
total1.7113.998.499.9811.11234.95
Northeastern Alpsspruce0.5141.6163.5165.4127.81418.79
fir0.1310.2410.3290.7221.1292.520
pine0.0990.1620.3630.1630.2820.756
larch0.0510.1470.2450.6400.2471.134
stone pine0.0.0.0.0.0.0.0.0.0.0.0.
other conifers0.01000.0580.01000.0.0.0.0.070
beech0.3220.8211.3192.2161.6246.213
maple0.1340.4220.8290.9210.6472.819
ash0.1570.2350.2340.5280.2471.225
oak0.01000.0.0.0.0.01000.0.0.088
chestnut0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.2270.4290.2390.2470.1491.122
total1.3103.7106.81010.7711.81034.35
Southwestern Alpsspruce0.591.482.883.863.7912.25
fir0.1280.1200.2230.3230.4281.218
pine0.1250.5190.8160.6170.3332.213
larch0.2160.7111.3112.584.188.86
stone pine0.0260.1200.4200.4200.4251.315
other conifers0.0550.0640.0.0.0.0.0.0.049
beech0.1260.2240.3230.2250.1440.819
maple0.1220.1190.1290.1410.0.0.417
ash0.0290.1290.2430.1400.0720.428
oak0.1280.1270.1360.1390.0610.323
chestnut0.0860.0710.0720.0570.1670.257
other broadleaves0.3120.6130.4180.2250.1471.511
total1.454.056.758.249.1529.32
Southeastern Alpsspruce0.872.174.166.256.5719.74
fir0.0440.1300.1280.2220.5190.917
pine0.1190.4170.5180.7150.4192.112
larch0.1160.3180.7121.4102.1124.59
stone pine0.0220.2180.5180.5160.4211.614
other conifers0.0280.0340.0710.0.0.0.0.130
beech0.0240.1200.2220.3240.2350.918
maple0.0320.0330.1290.0480.0620.224
ash0.0310.1330.1390.0440.0740.229
oak0.01000.0530.0740.1600.1500.148
chestnut0.0.0.0.0.01000.01000.01000.0100
other broadleaves0.2160.4190.1270.1280.0580.815
total1.453.656.449.4310.3531.12
Southern Alpsspruce0.2120.6111.3112.0102.8107.07
fir0.0300.1270.2270.3210.5231.017
pine0.0790.0710.1560.1420.0520.340
larch0.1150.4130.9121.2101.8114.47
stone pine0.0630.01000.01000.0.0.01000.057
other conifers0.01000.0.0.0.0.01000.01000.092
beech0.3110.9111.3111.2111.1224.99
maple0.0250.1210.1260.1330.0630.418
ash0.1190.2180.3230.2230.0460.816
oak0.0240.1240.3200.2230.1390.815
chestnut0.2180.8131.2120.9132.1215.211
other broadleaves0.691.281.4100.7110.2334.17
total1.754.447.147.048.7728.92
Switzerlandspruce0.431.232.634.124.8313.22
fir0.150.350.651.241.844.13
pine0.0130.1110.390.470.2101.06
larch0.190.270.460.651.062.24
stone pine0.0160.0130.1130.1120.1150.310
other conifers0.0150.0160.0210.0260.0320.114
beech0.240.641.341.931.545.62
maple0.160.260.460.350.1141.14
ash0.170.270.370.460.291.14
oak0.0150.1120.2100.290.2110.76
chestnut0.0180.1130.2120.1120.3200.710
other broadleaves0.250.450.460.370.1161.54
total1.423.526.819.6110.4231.61
© WSL, Swiss National Forest Inventory, 20.06.2020 #837870/304201

Table citation

Abegg, M.; Brändli, U.-B.; Cioldi, F.; Fischer, C.; Herold, A.; Meile, R.; Rösler, E.; Speich, S.; Traub, B., 2020: Swiss national forest inventory - Result table No. 837870: basal area Birmensdorf, Swiss Federal Research Institute WSL
https://doi.org/10.21258/1689495

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