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NFI4
basal area
avalanches SilvaProtect · 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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± %
Western Juraspruce10.859.8225.7149.95
fir7.878.9267.9117.96
pine0.9172.7591.6341.115
larch0.0430.0.0.11000.140
stone pine0.0.0.0.0.0.0.0.
other conifers0.0380.0.0.4640.145
beech7.9515.81312.789.04
maple1.491.3352.3141.67
ash0.8140.1981.7271.013
oak1.0180.0.0.3430.817
chestnut0.0.0.0.0.0.0.0.
other broadleaves0.9141.0440.7190.912
total31.7239.7533.5432.32
Eastern Juraspruce4.7130.0.4.0344.612
fir2.5220.0.2.0592.520
pine1.3210.0.0.9631.220
larch0.4450.0.0.0.0.345
stone pine0.0.0.0.0.0.0.0.
other conifers0.5430.0.0.0.0.543
beech12.370.0.19.31213.07
maple1.7140.0.1.7501.713
ash2.1140.0.1.2602.014
oak1.9210.0.0.5981.821
chestnut0.0.0.0.0.0.0.0.
other broadleaves2.1270.0.1.0462.026
total29.640.0.30.5929.73
Western Plateauspruce8.4100.0.8.3348.410
fir3.8160.0.2.6503.716
pine0.8320.0.0.5670.730
larch0.7340.0.0.0.0.734
stone pine0.0.0.0.0.0.0.0.
other conifers0.5440.0.0.0.0.444
beech7.790.0.7.9227.78
maple0.9190.0.2.8491.119
ash2.8150.0.5.9343.114
oak2.7180.0.1.5652.518
chestnut0.2980.0.0.0.0.298
other broadleaves1.9210.0.2.8512.019
total30.440.0.32.21330.63
Central Plateauspruce9.280.0.4.3268.58
fir7.090.0.7.2207.08
pine0.5240.0.0.5650.522
larch0.3310.0.0.2990.329
stone pine0.0.0.0.0.0.0.0.
other conifers0.4370.0.0.4580.434
beech7.070.0.11.8147.76
maple0.9170.0.1.4320.915
ash1.3250.0.3.5331.620
oak1.0190.0.0.6410.918
chestnut0.01000.0.0.0.0.0100
other broadleaves1.1210.0.0.8411.019
total28.730.0.30.6828.93
Eastern Plateauspruce9.460.0.7.7279.36
fir3.7100.0.4.6313.89
pine1.4130.0.0.6681.312
larch0.4200.0.0.1990.420
stone pine0.0.0.0.0.0.0.0.
other conifers0.4340.0.0.1690.433
beech7.360.0.6.9247.36
maple1.6100.0.3.0411.710
ash2.390.0.4.7282.49
oak1.4150.0.0.7551.315
chestnut0.01000.0.0.0.0.0100
other broadleaves1.3110.0.0.7601.311
total29.320.0.29.11029.32
Western Pre-Alpsspruce21.71116.52123.8822.26
fir5.2249.3377.4176.713
pine0.0.0.0.0.0.0.0.
larch0.1990.0.0.2790.163
stone pine0.0.0.0.0.0.0.0.
other conifers0.0.0.0.0.0.0.0.
beech4.5295.6353.8194.315
maple1.2302.0341.6241.516
ash1.3320.5510.6400.924
oak0.4480.0.0.0790.244
chestnut0.0.0.0.0.0.0.0.
other broadleaves0.7310.9620.3340.522
total35.1834.91437.8636.44
Central Pre-Alpsspruce18.9722.81714.1817.15
fir8.5103.3349.798.76
pine0.9441.1810.2520.635
larch0.2810.0.0.01000.171
stone pine0.0.0.0.0.11000.1100
other conifers0.0710.1790.1740.061
beech4.6138.3267.8126.28
maple1.1191.7401.0131.112
ash0.6400.3810.9180.720
oak0.1640.1990.2470.136
chestnut0.0.0.0.0.0.0.0.
other broadleaves0.4290.1570.8170.515
total35.2437.8935.1335.32
Eastern Pre-Alpsspruce20.9815.63517.1918.96
fir5.11411.3297.1116.38
pine0.1490.8940.2700.243
larch0.2490.0.0.4510.238
stone pine0.11000.0.0.0.0.0100
other conifers0.0640.0.0.1360.133
beech5.41210.5338.9117.28
maple1.5232.9372.2151.912
ash1.7222.3482.1171.913
oak0.3490.0.0.1760.241
chestnut0.0.0.0.0.0.0.0.
other broadleaves1.0280.6670.8240.918
total36.2544.11038.9437.83
Northwestern Alpsspruce20.81018.61621.5920.76
fir1.6324.4333.2222.716
pine0.4530.4570.1690.335
larch0.8340.3920.2540.528
stone pine0.2760.0.0.01000.168
other conifers0.0710.0.0.2970.179
beech3.0462.5365.1183.818
maple1.9332.3242.5182.215
ash0.7330.7471.0340.821
oak0.4800.4990.2630.351
chestnut0.01000.0.0.0.0.0100
other broadleaves1.9350.4561.6261.521
total31.8730.0935.6633.14
Central Alpsspruce19.71226.11817.11820.29
fir3.3407.5334.4314.520
pine1.2450.1982.7431.531
larch0.0.0.0.0.0.0.0.
stone pine0.31000.0.0.0.0.1100
other conifers0.0790.0.0.1830.159
beech3.2295.7324.8304.216
maple1.2270.4552.4381.424
ash0.8570.2611.9371.031
oak0.3800.0.0.4570.349
chestnut0.0.0.0.0.0.0.0.
other broadleaves1.7370.1772.5301.624
total31.7940.11136.3934.95
Northeastern Alpsspruce21.91722.91614.41518.79
fir1.9423.3412.5292.520
pine0.7990.0.1.1670.756
larch0.3560.9981.7381.134
stone pine0.0.0.0.0.0.0.0.
other conifers0.0.0.0.0.1690.070
beech5.2257.7246.1196.213
maple1.4502.2334.0242.819
ash0.9440.9541.5351.225
oak0.1990.0.0.01000.088
chestnut0.0.0.0.0.0.0.0.
other broadleaves0.6431.0451.4291.122
total33.11038.91032.9834.35
Southwestern Alpsspruce5.91420.9912.4712.25
fir0.3432.2331.2231.218
pine1.7272.0312.6172.213
larch7.21210.4159.098.86
stone pine1.3271.8291.2241.315
other conifers0.0640.0990.0840.049
beech0.4520.9481.1220.819
maple0.2320.5360.4240.417
ash0.6590.2530.4270.428
oak0.5290.1990.3370.323
chestnut0.3890.0.0.1510.257
other broadleaves1.5190.8301.7151.511
total20.1739.7530.6329.32
Southeastern Alpsspruce16.2622.3922.5519.74
fir0.5320.6491.3210.917
pine3.3142.0360.9252.112
larch4.1123.9185.2144.59
stone pine1.7191.9331.2251.614
other conifers0.2390.1990.1530.130
beech0.7271.3600.9240.918
maple0.1420.01000.4290.224
ash0.1400.11000.3390.229
oak0.2650.0.0.1660.148
chestnut0.0.0.0.0.01000.0100
other broadleaves0.9250.9410.8210.815
total28.0433.1533.7431.12
Southern Alpsspruce4.61818.3156.397.07
fir0.6582.2421.0201.017
pine0.6490.2740.2750.340
larch4.6148.8173.8104.47
stone pine0.1580.0.0.01000.057
other conifers0.0.0.0990.01000.092
beech1.2352.8336.3104.99
maple0.7360.0990.4200.418
ash1.0290.1710.8200.816
oak0.4370.0991.0160.815
chestnut5.2320.0.5.9105.211
other broadleaves4.7151.8354.184.17
total23.8834.3729.7328.92
Switzerlandspruce12.0220.2513.3313.22
fir4.443.5123.754.13
pine1.171.2200.8121.06
larch1.374.7103.062.24
stone pine0.3150.8220.4170.310
other conifers0.2170.0610.1270.114
beech5.833.8115.645.62
maple1.150.9131.261.14
ash1.360.3211.181.14
oak0.980.1670.4120.76
chestnut0.3300.0.1.5100.710
other broadleaves1.460.9161.961.54
total30.1136.3333.0131.61
© WSL, Swiss National Forest Inventory, 17.06.2020 #875631/341963

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. 875631: basal area Birmensdorf, Swiss Federal Research Institute WSL
https://doi.org/10.21258/1732567

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