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NFI4
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: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
diameter classesmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12-15 cmspruce0.3100.490.570.650.2130.43
fir0.380.1130.380.1140.0310.25
pine0.0410.0610.0560.1150.0790.014
larch0.0760.0730.0530.1140.1200.012
stone pine0.0.0.0.0.01000.0180.0630.017
other conifers0.0370.0300.0410.0260.01000.016
beech0.370.370.290.1130.4120.24
maple0.1130.1120.1160.1130.0250.16
ash0.1180.1120.1160.0180.1190.17
oak0.0420.0290.0580.0260.0240.016
chestnut0.0.0.0710.0.0.01000.2180.018
other broadleaves0.1110.1110.1120.290.5100.25
total1.241.241.241.431.751.32
16-23 cmspruce0.790.981.361.850.6121.23
fir0.680.4120.680.2120.1290.45
pine0.0310.0510.0470.3130.0710.112
larch0.0720.0380.0530.3100.3180.18
stone pine0.0.0.0.0.01000.1140.01000.014
other conifers0.0400.1310.0350.0310.0.0.017
beech0.970.770.780.3101.1110.74
maple0.3110.3120.3120.2110.1240.26
ash0.2150.3120.2150.1160.2190.27
oak0.1260.1250.0580.1240.2250.112
chestnut0.0.0.0740.0.0.01000.9130.113
other broadleaves0.2120.3100.2140.4101.290.45
total3.043.143.443.734.743.52
24-35 cmspruce1.681.983.463.941.5122.73
fir1.290.7101.280.3120.2290.75
pine0.3230.1230.1480.5110.1560.39
larch0.0480.1280.01000.790.8140.37
stone pine0.0.0.0.0.0800.3140.0.0.114
other conifers0.0340.1330.0600.0500.0.0.021
beech2.561.471.670.6101.6111.44
maple0.5110.5120.6110.3140.2270.46
ash0.3160.5110.4150.2200.3260.37
oak0.3200.2170.0440.0320.3210.210
chestnut0.0.0.01000.0.0.0831.4120.212
other broadleaves0.3130.4130.2180.3131.4100.46
total7.035.947.537.237.747.01
36-51 cmspruce2.962.766.046.032.4104.32
fir2.271.282.260.5110.3221.34
pine0.6140.4130.2340.6110.1430.47
larch0.1400.1210.0401.471.3110.66
stone pine0.0.0.0.0.0880.3130.0.0.113
other conifers0.1500.1320.0.0.0.0.01000.028
beech4.142.552.370.7101.4112.13
maple0.590.3110.4110.2130.1360.35
ash0.4130.8100.4130.1180.2230.46
oak0.3160.5130.0390.1310.3240.29
chestnut0.0.0.0880.0.0.0451.1130.112
other broadleaves0.2210.3150.1220.1160.8110.37
total11.529.0311.6310.128.1410.21
>= 52 cmspruce3.073.077.356.643.2105.03
fir2.592.383.470.8110.6241.94
pine0.2220.4160.1390.3160.0600.210
larch0.0480.2200.1392.371.7120.96
stone pine0.0.0.0.0.01000.3170.01000.116
other conifers0.0710.2370.01000.0.0.01000.032
beech2.182.671.690.5131.3231.54
maple0.1230.1230.1220.1380.0630.115
ash0.3200.6140.2240.1270.0510.210
oak0.3250.6160.1360.1330.1390.211
chestnut0.0.0.01000.0.0.0652.2180.318
other broadleaves0.2380.2340.0640.1340.2330.117
total8.9410.2313.0311.239.5610.72
totalspruce8.548.9418.5318.937.9813.62
fir6.854.867.751.981.2184.43
pine1.1131.0100.4301.990.3421.16
larch0.1320.4150.2304.864.292.15
stone pine0.0.0.0.0.1761.1110.0690.311
other conifers0.2310.4220.0320.1250.0920.115
beech10.047.546.452.285.896.02
maple1.671.381.580.990.4191.24
ash1.2102.371.2100.5130.9181.25
oak1.1131.4100.2250.2200.9160.77
chestnut0.0.0.0900.0.0.0405.990.79
other broadleaves1.0121.390.6111.284.271.44
total31.7229.4236.7233.7131.8232.81
© WSL, Swiss National Forest Inventory, 20.06.2020 #837882/304213
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