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NFI4b
basal area
rockfall SilvaProtect · main tree species
unit of reference: protection forest region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtectmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
n/aspruce9.4420.0723.085.22114.794.92112.23
fir5.465.6124.0180.2650.5410.8704.35
pine1.0110.6570.5481.8362.4190.3771.110
larch0.2180.3360.2536.8194.3154.4171.29
stone pine......1.0371.9210.01000.319
other conifers0.3260.0830.01000.0810.142..0.224
beech8.243.8165.2140.4880.8340.9335.74
maple1.271.4191.6180.3390.1480.2501.16
ash1.890.9291.7240.9630.2470.5461.48
oak1.3110.1410.2530.4380.11000.3570.811
chestnut0.0800.0100..0.5100..2.2310.131
other broadleaves1.4130.9341.4251.3270.9364.6201.49
total30.3233.7437.7518.91126.1519.2829.82
inside perimeterspruce8.14315.92820.72311.6348.8327.53312.413
fir1.5422.1453.7491.1983.6700.1991.830
pine1.7950.4972.0582.4698.258..1.835
larch..0.497..6.5280.5732.5572.128
stone pine..0.297..0.2814.093..0.481
other conifers....0.285......0.087
beech14.73210.0307.1310.7701.6952.1575.118
maple2.0471.1461.9310.169..0.5630.922
ash0.5951.6862.7490.653..1.9721.535
oak0.3950.1970.0.....0.6600.250
chestnut......1.161..8.1502.447
other broadleaves0.2682.0672.0482.841..6.9283.221
total28.91433.81340.31327.21326.62430.01331.76
outside perimeterspruce6.41419.4617.0915.3822.068.21214.93
fir7.9126.9105.9121.4280.7301.1253.86
pine0.9280.2580.1552.4201.1270.1530.714
larch0.1790.1600.5428.6124.8144.8123.27
stone pine......1.4261.030..0.420
other conifers0.1480.1670.1480.0740.0600.01000.131
beech11.485.8117.6121.3281.1365.4125.25
maple2.3161.7122.7140.5270.6430.3311.28
ash2.8210.8202.0180.4390.3590.4271.011
oak0.8300.1550.1530.3500.11000.9210.415
chestnut......0.01000.01005.3151.215
other broadleaves0.9190.9191.1191.1211.2233.1121.57
total33.7436.0437.0432.6432.9429.6433.52
totalspruce9.0419.6419.8612.0818.257.41013.32
fir5.756.184.9101.0260.7230.9244.04
pine1.0100.4440.4332.2171.9160.1480.98
larch0.2180.2300.3357.9104.5104.5102.16
stone pine..0.0100..1.2211.5170.01000.313
other conifers0.3240.1610.0410.0550.1340.01000.120
beech8.645.096.591.0261.0254.1125.53
maple1.471.6102.1110.4230.3370.3261.15
ash1.980.9171.9140.6360.2410.5261.26
oak1.2110.1320.2380.3350.1710.7190.69
chestnut0.0800.0100..0.3610.01004.8130.613
other broadleaves1.3121.0181.3151.3151.0203.8101.56
total30.7234.8337.5328.1429.5327.2331.41
© WSL, Swiss National Forest Inventory, 28.12.2015 #206463/192726
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