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NFI2
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: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
n/aspruce11.6321.4521.066.41515.064.62013.72
fir5.046.083.5130.6590.5270.5664.24
pine1.370.6350.4312.1233.6130.7501.36
larch0.3150.2350.1386.3133.6112.9161.07
stone pine0.0.0.0.0.1711.5271.6200.0830.216
other conifers0.2190.0730.0440.1930.1450.01000.117
beech8.033.9134.2110.4600.7251.1355.83
maple1.060.9151.2140.1460.1480.4380.85
ash1.370.7231.2190.4410.1460.5351.06
oak1.570.2410.2360.3300.2720.6361.07
chestnut0.0820.0.0.0.0.3910.01004.9280.226
other broadleaves1.170.9201.0171.5270.7263.4161.26
total31.4134.9333.0419.9726.2419.5830.51
inside perimeterspruce6.03513.42817.3188.42919.3244.43410.511
fir2.3571.0481.9412.4532.1710.8991.626
pine4.2470.8471.5582.4456.0470.9992.124
larch0.5980.8731.1707.3291.7592.2422.621
stone pine0.0.0.1980.0.0.2674.9540.0.0.554
other conifers0.1980.0.0.1690.0.0.0.0.0.0.058
beech16.41811.3248.2291.1381.5682.2335.914
maple2.8391.4301.2270.1700.0.0.4500.920
ash0.4570.8911.9350.2400.0.0.7380.725
oak0.0980.0980.3990.4640.0.0.5540.338
chestnut0.0.0.0.0.0.0.8600.0.8.5342.534
other broadleaves1.1501.5641.2351.8430.0975.4192.416
total33.8831.21234.61025.21235.61126.01130.05
outside perimeterspruce7.4820.4417.6614.0620.647.1814.72
fir6.296.675.191.2201.0200.9203.44
pine1.1260.2370.7292.7140.9200.2510.910
larch0.1630.2360.4318.583.9103.692.85
stone pine0.0.0.0940.0.1.3181.3190.0.0.413
other conifers0.1490.0540.0430.0710.1540.01000.026
beech11.165.587.380.7230.8285.0124.84
maple1.7121.3102.0120.2250.2310.2330.96
ash2.6140.6161.2140.2280.2500.4200.88
oak0.5240.2340.1480.1360.1630.8190.313
chestnut0.0.0.0.0.0.0.0710.01004.9101.111
other broadleaves0.8140.9141.0141.0150.6203.081.35
total31.7335.9235.5330.0329.7326.0331.41
totalspruce11.0320.7319.1411.6518.236.4714.01
fir5.146.254.271.1180.8160.8193.83
pine1.370.4260.6212.5122.2110.4351.25
larch0.3150.2240.3257.863.773.471.84
stone pine0.0.0.0880.0711.3151.5130.0840.310
other conifers0.2180.0430.0280.0850.1350.0730.114
beech8.534.976.060.7200.8184.0115.42
maple1.151.181.690.2220.1260.2230.94
ash1.560.7141.3110.3220.2350.4160.95
oak1.470.2270.2280.2230.1530.7160.76
chestnut0.0820.0.0.0.0.2500.0735.2100.69
other broadleaves1.170.9121.0101.2130.7163.271.34
total31.4135.4234.4227.0328.3224.8330.91
© WSL, Swiss National Forest Inventory, 17.06.2020 #875558/341890
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