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NFI4b
basal area
rockfall SilvaProtect · main tree species
unit of reference: biogeographical region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtectmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
n/aspruce9.769.4621.055.12414.0105.02112.23
fir6.485.084.2110.1910.4500.8704.35
pine1.0201.0130.6392.2362.6210.3771.110
larch0.1410.4190.3277.9184.7164.6171.29
stone pine......1.2362.1210.3880.319
other conifers0.2460.4300.0690.1810.241..0.223
beech9.467.354.111..0.6450.9335.74
maple1.4101.1101.5130.2550.1640.2501.16
ash1.1152.3101.1190.9730.2530.4461.48
oak0.6201.7130.1330.3490.11000.3570.811
chestnut0.0.0.0800.195....2.2310.131
other broadleaves0.9171.7161.2201.0310.7414.9201.49
total30.7330.4234.1319.01225.7619.7829.82
inside perimeterspruce9.0430.47119.11811.6349.7307.23312.414
fir1.741..3.1381.1983.9690.1991.830
pine1.894..1.3532.4699.057..1.835
larch....0.2996.5280.5722.4572.128
stone pine....0.1990.2814.493..0.481
other conifers..0.3710.199......0.087
beech16.33112.2717.9230.7701.8952.1575.118
maple2.245..1.6260.169..0.4630.922
ash0.594..2.3430.653..1.8721.535
oak0.394..0.199....0.6600.250
chestnut......1.161..7.8502.447
other broadleaves0.1940.6712.0402.841..6.7283.221
total31.91113.56137.91027.21329.32229.11331.86
outside perimeterspruce6.2169.31719.2514.5822.378.21214.93
fir9.2137.9175.781.0340.3561.1243.86
pine1.1320.4530.2382.6211.3280.1530.714
larch0.11000.4620.3329.6125.8144.8123.27
stone pine......1.6261.330..0.420
other conifers0.2520.2730.1610.0740.1600.01000.131
beech12.1910.0126.280.7400.2605.3125.25
maple2.4171.6292.190.2430.4700.3311.28
ash1.4354.7211.1140.3490.3660.4271.011
oak0.6381.0390.1440.350..0.9210.415
chestnut....0.0100....5.2141.215
other broadleaves0.8231.1291.0131.2221.1283.1111.57
total34.1436.6635.9332.0433.0429.5333.52
totalspruce9.169.4520.0311.5817.867.31013.32
fir6.975.374.960.8320.5330.9244.04
pine1.0171.0130.4272.5172.1170.1480.98
larch0.1400.4190.3218.9105.1114.6102.15
stone pine....0.01001.4211.8180.1880.313
other conifers0.2390.4280.0500.0550.1340.01000.120
beech10.057.655.360.5360.4364.0125.53
maple1.681.1101.870.2340.2580.3261.15
ash1.1142.591.2110.5430.2470.5261.26
oak0.6171.6130.1260.3380.11000.8190.69
chestnut0.0.0.0800.1810.164..4.7130.613
other broadleaves0.8151.7151.1111.3170.9233.8101.56
total31.4231.0235.2227.8429.3327.2331.41
© WSL, Swiss National Forest Inventory, 28.12.2015 #206457/192720
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