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NFI1–NFI2
increment
rockfall 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
rockfall 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
larch0.1180.1750.1411.3220.6240.5240.211
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
maple0.390.3230.3340.0650.01170.1790.38
ash0.780.3320.5230.1640.0710.3420.58
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 perimeterspruce2.3372.7304.1282.1323.5270.5602.315
fir0.4750.3550.4430.5710.5650.3990.431
pine0.470-0.11280.2790.2601.7420.1990.332
larch0.6980.3730.4891.7260.2920.3510.623
stone pine0.0.0.0980.0.-0.05260.2820.0.0.0137
other conifers0.0.0.0.0.0800.0.0.0.0.0.0.081
beech4.4212.7362.4330.2450.31660.9361.617
maple0.6620.2600.21230.0590.0.0.1580.240
ash0.1800.4890.7460.1460.0.0.3420.328
oak-0.0980.0980.0990.1520.0.0.2850.166
chestnut0.0.0.0.0.0.0.2650.0.1.6260.527
other broadleaves0.2490.7750.4400.7450.0.1.4230.719
total9.0127.2168.7135.9136.4165.6127.06
outside perimeterspruce2.3125.354.683.484.571.5123.73
fir2.3112.692.0110.3270.2310.2221.36
pine0.2300.0580.1360.6200.1410.014770.115
larch0.1860.0460.1511.4110.5170.5200.49
stone pine0.0.0.01060.0.0.1290.1390.0.0.024
other conifers0.0480.068-0.010590.01000.0670.01000.045
beech3.681.6121.8130.2330.11321.2121.36
maple0.5200.3130.5170.1390.0660.0640.29
ash0.9160.2190.4240.1360.0630.2260.310
oak0.1340.0370.0580.0440.01040.2310.120
chestnut0.0.0.0.0.0.-0.03430.01001.3120.313
other broadleaves0.3200.3160.4210.4260.2230.8100.47
total10.4410.3410.056.455.866.058.12
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 #890910/357115
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