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NFI1–NFI2
increment
avalanches SilvaProtect · main tree species
unit of reference: protection forest region
unit: m³/ha/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2
grid: 1.4 x 1.4 km grid
change1983/85–1993/95
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/aspruce4.645.966.181.8163.790.7374.63
fir2.252.391.4150.033930.1570.2731.84
pine0.3110.1460.01140.3370.5180.11010.29
larch0.1200.1750.1411.3220.6240.5240.211
stone pine0.0.0.0.0.01070.1530.2360.0950.030
other conifers0.1250.0670.0710.01000.0860.0.0.124
beech3.041.5171.5160.1580.2320.3352.24
maple0.3100.3230.3340.0650.01170.1790.39
ash0.780.3320.5230.1640.0710.3420.57
oak0.4100.0590.0770.1640.0710.1390.310
chestnut0.0880.0.0.0.0.01000.01001.1290.028
other broadleaves0.590.3230.2270.4490.3261.1200.47
total12.1210.7410.264.3115.774.51110.61
inside perimeterspruce2.4315.3123.7164.3134.4143.2184.26
fir2.5301.1291.6240.432-0.03450.5480.815
pine0.3590.0880.0710.3510.367-0.1840.139
larch0.0.0.0990.2901.6200.4370.8590.618
stone pine0.0.0.0990.0.0.2400.11220.0.0.041
other conifers0.0.0.01000.0.0.0.0.0990.0.0.079
beech3.6231.0271.5280.273-0.21490.4400.717
maple0.03210.4270.3530.1400.0.0.0800.223
ash0.1750.1360.11850.1560.0800.0700.159
oak0.0.0.0830.0.-0.0990.0.0.0990.0225
chestnut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other broadleaves0.3420.2450.07470.2420.2460.4370.224
total9.2128.197.5127.385.3125.3157.05
outside perimeterspruce2.3125.264.882.894.481.2153.44
fir2.2112.891.9120.3360.2270.2251.36
pine0.2310.01360.2350.6210.2330.0630.214
larch0.1830.0420.1511.3120.5190.4190.49
stone pine0.0.0.01030.0.0.1470.1370.0.0.028
other conifers0.0500.070-0.0947190.01000.0580.01000.047
beech3.781.8131.9140.2310.1521.3121.56
maple0.6180.3140.5180.0590.0660.0590.210
ash0.9170.2200.5210.1370.1680.2230.310
oak0.1350.0380.0500.0320.01040.3290.120
chestnut0.0.0.0.0.0.0.0960.01001.5110.311
other broadleaves0.3190.3170.5170.5270.2261.0100.57
total10.4510.7410.556.066.066.158.32
totalspruce4.335.545.252.974.151.3114.12
fir2.252.461.690.2260.2270.2221.53
pine0.3100.0410.1320.5180.3160.0840.28
larch0.1190.0420.1341.490.5140.5160.36
stone pine0.0.0.01000.01070.1270.1260.0960.018
other conifers0.1230.0590.07630.0930.0620.01000.022
beech3.131.5101.7100.2260.1411.0111.83
maple0.380.3120.4160.1330.0600.0430.26
ash0.780.2190.5150.1290.0470.2200.46
oak0.4100.0340.0530.1440.0650.2260.29
chestnut0.0880.0.0.0.0.0780.0721.3100.110
other broadleaves0.480.3130.3160.4210.2170.990.45
total11.9110.4310.035.945.845.749.51
© WSL, Swiss National Forest Inventory, 16.06.2020 #890928/357133
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