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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 NFI1/NFI2/NFI3/NFI4
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/aspruce9.5419.8725.586.42518.197.92412.83
fir5.566.5124.5180.3650.7401.6694.85
pine1.1110.7600.2623.0363.2190.5991.210
larch0.3180.3380.2569.2214.6184.4241.111
stone pine......1.5392.2240.1990.221
other conifers0.3260.0830.01000.1800.248..0.224
beech8.244.2166.1140.6991.0351.6356.44
maple1.271.5201.6210.2650.2480.1721.17
ash1.891.0302.1241.2770.2600.7571.58
oak1.3120.1450.2750.5430.21000.6580.911
chestnut0.0800.0100......3.3330.135
other broadleaves1.2100.7351.1291.8310.9465.3211.28
total30.4234.7441.6524.81231.3525.9831.61
inside perimeterspruce8.14315.33022.42411.63413.2328.53213.314
fir1.5422.2444.1511.1986.5640.1981.930
pine1.7950.4971.9682.46913.361..1.838
larch..0.597..6.5280.6912.8572.328
stone pine..0.297..0.2810.291..0.158
other conifers....0.285......0.087
beech14.73210.6307.2340.7703.0911.6715.319
maple2.0471.1452.0320.169..0.5630.923
ash0.5951.7853.1480.653..2.1721.635
oak0.3950.2970.0.....0.2980.162
chestnut......1.161..8.9512.749
other broadleaves0.2682.1681.9552.841..7.8283.522
total28.91434.21442.81327.21336.82032.51333.66
outside perimeterspruce6.51419.4617.2916.4822.568.71215.44
fir7.8127.1106.2131.5290.7301.2254.16
pine1.0280.2580.1632.6211.2280.1530.814
larch0.1790.1600.4428.7135.0154.5143.18
stone pine......1.3291.131..0.421
other conifers0.1480.0830.1480.0740.0650.01000.128
beech11.486.0117.8121.4281.2366.2125.65
maple2.3161.7122.7140.5290.4340.3341.38
ash2.8210.8201.9180.3450.3590.4291.011
oak0.8300.1550.1550.3550.11001.0220.416
chestnut......0.11000.11006.1141.315
other broadleaves0.9190.9211.1191.0211.1253.3121.58
total33.8436.3437.6434.0433.8432.0334.62
totalspruce9.1419.4520.8613.7820.558.61113.92
fir5.856.775.4101.2260.8231.2254.44
pine1.1100.4460.3402.6172.3160.2541.08
larch0.2180.2310.3348.6104.7114.4121.96
stone pine..0.0100..1.2231.6190.01000.315
other conifers0.3240.0680.1410.0550.1390.01000.221
beech8.645.397.191.2271.2255.1126.03
maple1.471.6112.2110.4270.3280.3291.25
ash1.980.9182.0140.5430.3450.6291.36
oak1.2110.1340.1450.3380.1710.9200.79
chestnut0.0800.0100..0.1540.01005.9130.713
other broadleaves1.290.8181.2161.4161.0244.0101.46
total30.8235.6339.5331.4432.8331.1332.91
© WSL, Swiss National Forest Inventory, 28.12.2015 #206492/192755
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