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NFI4b
basal area
diameter classes · main tree species
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 classesmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmspruce0.3120.4120.4100.670.2170.45
fir0.3110.1130.3120.1160.0340.26
pine0.0600.0760.0870.1220.01000.019
larch0.01000.0840.0640.1160.1280.016
stone pine......0.0280.01000.027
other conifers0.0430.0390.0450.034..0.021
beech0.490.390.3120.1150.3160.25
maple0.1170.1180.1210.1170.0340.19
ash0.1230.1180.1220.0230.1260.110
oak0.1500.0390.0580.0370.1320.022
chestnut..0.0100....0.3210.021
other broadleaves0.1140.1160.1160.2110.6150.27
total1.361.261.261.441.871.33
16-23 cmspruce0.8131.0111.481.760.6171.24
fir0.7100.4150.6100.2150.1340.46
pine0.0360.0570.0710.3180.01000.116
larch0.01000.0460.0600.2140.3220.111
stone pine......0.1200.01000.019
other conifers0.0380.0320.0450.032..0.018
beech1.090.780.8100.3131.1160.75
maple0.3130.3180.3150.2150.1360.28
ash0.2190.2170.2180.1200.2320.29
oak0.1310.1340.0710.0350.2340.117
chestnut......0.0.1.1170.117
other broadleaves0.2160.3150.2180.5131.2130.47
total3.253.053.653.744.863.62
24-35 cmspruce1.7111.9103.883.761.5162.74
fir1.2130.7131.2110.3170.2390.76
pine0.3300.1260.1850.6160.1680.313
larch0.0710.141..0.6120.9180.310
stone pine......0.319..0.119
other conifers0.0420.142..0.058..0.029
beech2.681.581.6100.6131.5151.55
maple0.5150.4140.7130.3170.1410.47
ash0.3220.5140.5180.2270.2380.410
oak0.3240.2220.0650.0410.3270.213
chestnut......0.0821.5170.217
other broadleaves0.3190.4170.2230.3181.4130.48
total7.256.058.247.047.857.22
36-51 cmspruce2.882.986.366.152.6134.43
fir2.391.4102.180.6140.3281.35
pine0.6180.5160.2510.5150.1500.410
larch0.0460.1320.0601.3101.3150.68
stone pine......0.318..0.118
other conifers0.1690.143....0.01000.037
beech4.162.672.490.8131.2162.14
maple0.5130.3160.4140.3180.0470.37
ash0.4191.0140.4180.2220.1400.49
oak0.3210.5170.0480.0390.2330.211
chestnut..0.0100..0.0511.1180.118
other broadleaves0.2320.4180.1280.2200.7160.310
total11.339.7411.9410.237.7610.32
>= 52 cmspruce3.193.397.876.363.6145.14
fir2.2112.4113.190.9150.6281.95
pine0.2300.3210.1460.3220.01000.213
larch0.0730.1300.1582.2101.7170.98
stone pine......0.323..0.123
other conifers0.01000.2450.0100..0.01000.139
beech1.9112.491.5140.6161.0181.46
maple0.1290.1330.1290.1330.01000.115
ash0.2240.7180.2340.1350.01000.313
oak0.1410.6230.01000.0510.1600.218
chestnut......0.0641.9280.227
other broadleaves0.1400.2450.1700.1410.1390.122
total8.1510.5512.9511.049.0810.52
totalspruce8.769.5619.7518.548.61113.92
fir6.675.087.372.0111.2254.44
pine1.1161.0130.4451.7120.2541.08
larch0.1340.4200.1384.584.4121.96
stone pine......1.0150.01000.315
other conifers0.2450.4290.0520.1280.01000.220
beech10.057.656.572.5105.1126.03
maple1.691.2101.7100.9110.3291.25
ash1.2132.5101.4140.7170.6291.36
oak0.9181.5140.1360.2280.9200.79
chestnut..0.080..0.1455.9130.713
other broadleaves0.9141.4120.7151.3114.0101.46
total31.1230.5237.8233.3231.1332.91
© WSL, Swiss National Forest Inventory, 29.12.2015 #204452/190715
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