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NFI2
basal area
protection forest perimeter SilvaProtect · main tree species
unit of reference: protection forest region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
outside of perimeterspruce11.6322.1522.066.51816.175.32214.02
fir5.256.493.8130.4590.5300.7714.54
pine1.380.5410.3402.2264.1140.9541.47
larch0.3150.2390.2406.7153.9123.0201.08
stone pine0.0.0.0.0.1701.8292.0200.0830.317
other conifers0.2210.0650.0530.1930.1660.0.0.119
beech8.134.4144.7110.5640.8270.9456.13
maple1.060.9171.2170.1520.1550.5400.96
ash1.470.7231.3220.3460.1540.7341.16
oak1.580.3440.2430.3300.2720.6401.07
chestnut0.0810.0.0.0.0.01000.0.5.3240.225
other broadleaves1.180.7221.0201.3330.6284.1181.17
total31.6136.2334.7420.3828.6422.0731.51
inside perimeterspruce7.3819.9418.0613.8621.556.9914.62
fir6.196.775.191.2221.0201.0203.55
pine1.4240.3340.8302.9141.2210.2551.010
larch0.2540.2340.5318.383.8113.4102.75
stone pine0.0.0.1870.0.1.0201.3200.0.0.414
other conifers0.1500.0650.0390.0710.1690.01000.028
beech11.465.897.690.8220.9295.0135.05
maple1.8111.2102.0130.2240.2310.1270.96
ash2.3140.6171.2140.2290.2530.4210.78
oak0.5260.1340.1440.2370.1640.7180.312
chestnut0.0.0.0.0.0.0.1470.01005.2111.211
other broadleaves0.8140.8151.1141.1150.6223.381.46
total32.0335.7236.5329.8330.8326.4331.71
totalspruce11.0320.9319.8412.0519.346.7814.22
fir5.346.654.581.0200.8161.0194.03
pine1.370.4280.6252.7122.4120.3391.25
larch0.3150.2260.4267.973.983.391.74
stone pine0.0.0.0880.0711.2161.6140.0840.311
other conifers0.2190.0540.0320.0850.1480.01000.116
beech8.535.276.470.7210.9204.4125.62
maple1.161.191.7100.2230.2270.2230.94
ash1.570.6141.3120.2250.2390.5170.95
oak1.370.2300.2310.2250.1520.7160.76
chestnut0.0810.0.0.0.0.1460.01005.2100.610
other broadleaves1.080.8121.0121.2140.6173.471.24
total31.7135.9235.7227.4329.8225.7331.61
© WSL, Swiss National Forest Inventory, 17.06.2020 #875433/341765
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