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NFI1
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 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
diameter classesmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmspruce0.4150.5130.790.670.2170.55
fir0.3110.2150.2100.1170.0420.26
pine0.0510.0490.0640.1180.01000.116
larch0.01000.071..0.1180.1270.014
stone pine......0.024..0.024
other conifers0.0400.0450.0710.046..0.024
beech0.590.480.3110.2140.4160.35
maple0.1160.1200.1160.1190.0450.19
ash0.1210.1180.1210.0240.1290.110
oak0.1360.1340.0550.0290.1470.019
chestnut......0.01000.5170.117
other broadleaves0.1200.2170.2170.2130.6130.27
total1.661.561.751.351.971.53
16-23 cmspruce0.9121.0102.081.960.5181.44
fir0.7100.5140.790.2180.1400.46
pine0.1360.0320.0860.4160.01000.114
larch0.0710.048..0.3140.3190.111
stone pine......0.121..0.021
other conifers0.0610.0370.0580.058..0.029
beech1.681.080.9110.4120.9170.95
maple0.3140.2170.3140.1170.0400.28
ash0.2210.3140.3190.1270.1330.29
oak0.2280.2210.0460.0410.2260.113
chestnut......0.0581.2150.115
other broadleaves0.2150.3140.3190.3141.1110.46
total4.153.654.553.744.364.02
24-35 cmspruce2.1102.984.974.261.5173.43
fir1.6111.2121.4100.3160.1410.96
pine0.5200.3240.1630.6140.1550.410
larch0.0610.138..0.7120.7230.311
stone pine......0.219..0.119
other conifers..0.045..0.073..0.039
beech3.171.991.9100.6141.0151.64
maple0.5130.3180.4160.2170.0670.38
ash0.4190.5140.3200.1230.0540.39
oak0.3210.3170.0800.0510.2320.212
chestnut......0.0710.8180.117
other broadleaves0.3180.4170.1260.2210.8200.39
total8.848.049.247.245.277.82
36-51 cmspruce3.675.367.456.052.3145.33
fir1.791.992.580.6150.3311.45
pine0.6151.0140.2470.6160.1550.59
larch0.0560.1280.0621.391.0150.58
stone pine......0.222..0.122
other conifers..0.148......0.048
beech3.072.381.7110.6140.7181.74
maple0.3170.2240.2190.1190.01000.210
ash0.2250.5140.2240.1350.0680.210
oak0.2240.4180.0720.0570.1440.113
chestnut......0.0740.6210.121
other broadleaves0.2280.2200.1290.1260.2240.212
total9.8412.1412.349.735.4710.22
>= 52 cmspruce2.2102.794.984.262.1173.44
fir1.0150.8141.6120.4180.4420.97
pine0.2320.3230.1620.2270.01000.215
larch0.0610.1390.0531.4110.9220.59
stone pine......0.224..0.124
other conifers..0.0830.0100....0.067
beech0.9161.2130.7180.3200.4250.78
maple0.1360.0410.0510.054..0.022
ash0.1550.2290.0510.075..0.123
oak0.1380.4210.01000.0100..0.118
chestnut......0.0741.7320.231
other broadleaves0.0580.1520.01000.1460.0580.027
total4.676.067.466.955.6126.23
totalspruce9.1612.5520.0416.946.51114.02
fir5.374.686.461.6121.0273.84
pine1.3141.7130.3411.8110.2491.27
larch0.1350.3220.1463.673.0131.56
stone pine......0.815..0.215
other conifers0.0500.2330.0610.039..0.125
beech9.156.865.582.1103.5125.23
maple1.390.8131.1110.6130.1380.86
ash0.9151.7100.9140.4190.2290.87
oak0.8171.5120.1410.1300.6230.68
chestnut......0.0464.8150.515
other broadleaves0.9131.2120.6140.9132.7111.16
total28.9231.3235.0228.8222.5429.81
© WSL, Swiss National Forest Inventory, 29.12.2015 #204091/190354
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