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NFI3
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: 1.4 x 1.4 km grid
state2004/06
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/aspruce10.2319.6520.465.91715.274.11912.42
fir5.355.593.8130.3510.5290.5584.24
pine1.280.5380.4371.8253.2140.6511.27
larch0.3150.3350.1406.7133.7113.9141.27
stone pine0.0.0.0720.1711.3281.6200.1590.216
other conifers0.3200.0680.0550.0740.1440.0.0.218
beech8.134.1154.6100.4590.7261.1325.73
maple1.261.2171.2160.2350.1430.6361.05
ash1.670.8251.7240.5580.2490.7291.36
oak1.580.3410.3400.4300.2660.4381.08
chestnut0.0800.01000.0.0.2900.0.4.5290.327
other broadleaves1.280.8241.1221.4220.8243.9151.36
total31.0133.0433.7419.3826.3420.5829.91
inside perimeterspruce9.33015.93017.81910.12620.4295.23011.911
fir1.2411.5462.1482.3632.2690.9991.628
pine3.6550.7681.1702.5507.1421.0992.226
larch0.4980.3981.2729.1271.5662.8433.022
stone pine0.0.0.1980.0.0.4683.6670.0.0.557
other conifers0.0.0.0.0.1990.0.0.0.0.0.0.0100
beech16.81910.4278.8301.4411.8673.0306.014
maple2.0391.3371.3270.2710.0.0.4380.718
ash1.1701.1912.2400.4400.0.1.2491.126
oak0.7910.0.0.2990.4760.0.0.7510.436
chestnut0.0.0.0.0.0.0.7630.0.7.8362.436
other broadleaves1.5551.5741.3472.2350.0.5.8212.717
total36.6832.81436.11129.71136.61528.81032.55
outside perimeterspruce6.81018.6417.4615.0621.247.3814.42
fir6.996.885.791.3210.9211.2183.65
pine1.2270.2340.6362.6140.9210.1520.810
larch0.1640.1410.5328.984.5104.093.15
stone pine0.0.0.11000.0.1.4191.1210.0.0.414
other conifers0.2470.1580.1360.0910.1470.0920.125
beech12.165.787.790.9220.8285.6125.25
maple2.0111.592.4120.4210.2290.3241.06
ash2.6150.7171.6150.3290.3390.6200.98
oak0.5270.2360.1440.2370.1651.0200.414
chestnut0.0.0.0.0.0.0.0810.01004.7111.111
other broadleaves0.9150.9151.1151.4140.9233.581.66
total33.3334.9237.2332.3331.1328.3332.61
totalspruce9.8319.0318.8411.9518.546.4713.22
fir5.546.164.671.0190.8161.0173.93
pine1.280.4270.5252.3122.1120.3391.15
larch0.3150.2260.4268.364.183.982.04
stone pine0.0.0.1670.0711.3151.4140.0590.310
other conifers0.2180.0480.0290.0600.1330.0920.115
beech8.735.176.460.8190.8184.4115.52
maple1.351.391.890.3170.2240.3191.04
ash1.760.8151.7130.4290.2300.6151.15
oak1.480.2280.2300.3230.1480.8170.77
chestnut0.0800.01000.0.0.1550.01004.9100.710
other broadleaves1.270.9131.1131.4110.8173.871.44
total31.3134.0235.5228.2329.1226.6331.11
© WSL, Swiss National Forest Inventory, 17.06.2020 #875561/341893
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