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NFI2–NFI3
increment
avalanches SilvaProtect · main tree species
unit of reference: protection forest region
unit: m³/ha/yr
unit of evaluation: accessible forest without shrub forest NFI2/NFI3
grid: 1.4 x 1.4 km grid
change1993/95–2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectmain tree species m³/ha/yr± % m³/ha/yr± % m³/ha/yr± % m³/ha/yr± % m³/ha/yr± % m³/ha/yr± % m³/ha/yr± %
n/aspruce4.045.676.191.2223.791.0304.13
fir2.152.2101.5150.1530.1510.2571.74
pine0.2150.0740.01360.3370.4230.1700.212
larch0.2340.1410.01261.6270.7200.8280.315
stone pine0.0.0.0.0.0870.1370.2370.0710.027
other conifers0.1230.0670.0630.0920.0550.0.0.122
beech2.741.2141.3140.1630.2310.3311.94
maple0.4100.3250.3490.1500.0630.13750.39
ash0.690.3230.8290.1870.1640.5350.58
oak0.4120.1450.1510.1400.0800.01300.211
chestnut0.077-0.01000.0.0.0700.0.0.7340.032
other broadleaves0.4120.3380.5300.5310.3301.5200.49
total11.1210.0510.574.3125.775.1129.82
inside perimeterspruce0.61234.5115.3133.7144.6142.8184.06
fir1.4551.6201.3250.3310.1590.2640.714
pine-0.11930.0105-0.01360.2500.287-0.06970.152
larch0.0.0.0950.1901.3200.7260.41630.621
stone pine0.0.0.0.0.0.0.3390.3360.0.0.128
other conifers0.0.0.01000.0.0.0.0.0870.0990.058
beech1.3531.2270.21620.2470.1560.8350.520
maple0.2520.4230.2710.0850.0.0.0730.122
ash0.1880.1400.5460.0890.091-0.11230.135
oak0.0.0.0890.0.0.0990.0.-0.0990.068
chestnut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.2400.1360.3660.2340.2450.4460.221
total3.7297.977.9116.396.2104.6176.55
outside perimeterspruce1.9175.154.882.6104.771.1143.34
fir2.1112.591.7140.5260.3270.2411.26
pine0.2320.0430.2380.4280.2380.0870.116
larch0.1760.0430.1651.1120.8200.5190.49
stone pine0.0.0.0920.0.0.1390.1310.0.0.024
other conifers0.1720.0700.0400.0.0.0480.01000.049
beech3.0101.4131.6170.2280.1541.5211.38
maple0.6200.3130.4230.1290.1600.1240.29
ash0.9170.2240.6210.1320.1320.2270.310
oak0.1350.01150.0480.145-0.0285900.1390.123
chestnut0.0.0.0.0.0.0.0770.01000.6210.221
other broadleaves0.2240.3240.4300.4210.2340.9130.49
total9.1510.049.855.466.455.387.52
totalspruce3.745.245.462.584.351.2113.82
fir2.152.361.690.4200.2230.2311.43
pine0.2140.0430.1390.3200.3190.0600.29
larch0.1330.1290.1511.3110.7130.5190.48
stone pine0.0.0.0920.0870.1230.1210.0710.015
other conifers0.1220.0550.0340.0920.0340.0950.120
beech2.741.391.3120.2230.1251.2201.54
maple0.490.3120.3220.1240.0490.1470.37
ash0.780.2160.6180.1310.1360.2220.46
oak0.3110.0420.0380.1290.0830.1370.110
chestnut0.077-0.01000.0.0.0560.01000.6180.118
other broadleaves0.4110.3210.4200.4160.3211.0110.46
total10.829.839.945.356.145.268.61
© WSL, Swiss National Forest Inventory, 16.06.2020 #890930/357135
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