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NFI4
forest area
rockfall SilvaProtect · basal area (standing live trees)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jurato 19 m2/ha29.070.6584.82034.36
20-39 m2/ha56.451.93113.51171.84
40-59 m2/ha27.480.8509.11437.26
from 60 m2/ha5.9180.21001.1417.216
total118.623.42328.47150.51
Eastern Jurato 19 m2/ha12.3100.31000.65813.29
20-39 m2/ha19.980.0.3.72223.66
40-59 m2/ha7.4150.0.0.8508.214
from 60 m2/ha1.6350.0.0.0.1.635
total41.230.31005.11946.62
Western Plateauto 19 m2/ha14.480.0.1.73516.18
20-39 m2/ha17.090.0.1.93318.98
40-59 m2/ha9.2130.0.0.5709.713
from 60 m2/ha3.5230.0.1.0444.420
total44.130.0.5.01949.12
Central Plateauto 19 m2/ha19.670.21002.72622.56
20-39 m2/ha26.070.0.3.72229.76
40-59 m2/ha11.4120.0.2.32813.710
from 60 m2/ha2.7260.0.0.6583.323
total59.730.21009.21369.11
Eastern Plateauto 19 m2/ha35.250.0.1.73337.05
20-39 m2/ha39.850.0.2.72642.45
40-59 m2/ha21.980.0.1.63523.58
from 60 m2/ha4.7200.0.0.0.4.720
total101.610.0.6.018107.61
Western Pre-Alpsto 19 m2/ha6.9170.0.6.21813.110
20-39 m2/ha3.5230.21008.81412.511
40-59 m2/ha4.2200.0.6.81510.911
from 60 m2/ha3.0240.0.3.9206.914
total17.690.210025.6743.33
Central Pre-Alpsto 19 m2/ha15.8100.210010.71326.77
20-39 m2/ha16.6100.47118.11035.16
40-59 m2/ha12.0120.210013.81126.07
from 60 m2/ha6.9170.0.4.82111.712
total51.250.85047.4599.42
Eastern Pre-Alpsto 19 m2/ha8.8150.0.6.51715.310
20-39 m2/ha12.1120.210012.61225.08
40-59 m2/ha9.6140.47011.21221.28
from 60 m2/ha5.7180.0.5.21810.912
total36.160.65835.6672.32
Northwestern Alpsto 19 m2/ha9.2140.8508.71418.79
20-39 m2/ha7.4161.04512.81121.38
40-59 m2/ha4.3211.3416.11711.712
from 60 m2/ha2.8260.3704.1217.215
total23.783.52431.7658.93
Central Alpsto 19 m2/ha4.2210.6571.4376.217
20-39 m2/ha3.9211.2414.8199.912
40-59 m2/ha2.5270.8503.2226.514
from 60 m2/ha1.5340.8500.6572.824
total12.1113.3249.91125.44
Northeastern Alpsto 19 m2/ha3.5221.2415.61710.211
20-39 m2/ha2.6280.8515.9179.313
40-59 m2/ha2.2300.9452.2285.418
from 60 m2/ha1.2410.3703.3234.818
total9.5133.32417.0829.85
Southwestern Alpsto 19 m2/ha21.293.22519.9944.35
20-39 m2/ha9.1141.93129.6740.66
40-59 m2/ha3.0251.24115.61019.88
from 60 m2/ha1.0440.8507.4159.113
total34.377.01672.53113.82
Southeastern Alpsto 19 m2/ha26.481.04519.3946.75
20-39 m2/ha20.591.73331.8754.05
40-59 m2/ha12.1120.65819.5932.27
from 60 m2/ha4.4210.4715.0199.913
total63.553.82375.64142.82
Southern Alpsto 19 m2/ha17.4103.42434.9755.75
20-39 m2/ha10.4144.62144.5659.55
40-59 m2/ha3.2252.03121.5926.78
from 60 m2/ha1.0450.8506.3178.115
total32.0710.813107.13150.02
Switzerlandto 19 m2/ha223.9311.513124.54359.82
20-39 m2/ha245.2214.012194.23453.32
40-59 m2/ha130.448.116114.34252.82
from 60 m2/ha45.763.52343.4692.74
total645.2137.17476.311158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #861350/327681
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