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NFI5
forest area
proportion of sanitary/salvage fellings · reason for sanitary/salvage felling (forest area classifier)
regional demarcation: biogeographical region
unit: 1000 ha
evaluation area: accessible forest without shrub forest
grid: 1.4 km grid, subgrids 1-5
state 2018/26
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
proportion of sanitary/salvage fellingsreason for sanitary/salvage felling (forest area classifier)1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
no sanitary/salvage felling89.1589.96227.3389.06122.55149.13766.81
insects0.0.0.0.0.0.0.0.0.0.0.0.0.0.
fungi0.0.0.0.0.0.0.0.0.0.0.0.0.0.
wind0.0.0.0.0.0.0.0.0.0.0.0.0.0.
snow load0.0.0.0.0.0.0.0.0.0.0.0.0.0.
avalanche0.0.0.0.0.0.0.0.0.0.0.0.0.0.
debris flow, landslide0.0.0.0.0.0.0.0.0.0.0.0.0.0.
flood0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other causes0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality due to drought0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other loss of vitality0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total89.1589.96227.3389.06122.55149.13766.81
0%n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
no sanitary/salvage felling60.4778.7651.3810.41821.7126.223228.73
insects0.0.0.0.0.0.0.0.0.0.0.0.0.0.
fungi0.0.0.0.0.0.0.0.0.0.0.0.0.0.
wind0.0.0.0.0.0.0.0.0.0.0.0.0.0.
snow load0.0.0.0.0.0.0.0.0.0.0.0.0.0.
avalanche0.0.0.0.0.0.0.0.0.0.0.0.0.0.
debris flow, landslide0.0.0.0.0.0.0.0.0.0.0.0.0.0.
flood0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other causes0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality due to drought0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other loss of vitality0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total60.4778.7651.3810.41821.7126.223228.73
1-50%n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
no sanitary/salvage felling0.0.0.0.0.0.0.0.0.0.0.0.0.0.
insects6.12412.2175.3261.1580.7712.53727.911
fungi2.8357.3223.7320.0.0.41000.0.14.216
wind4.72710.5188.7201.8453.2331.15829.911
snow load0.31003.8302.1411.4501.4500.7719.619
avalanche0.0.0.0.0.7710.0.0.0.0.0.0.771
debris flow, landslide0.0.0.0.0.31000.0.0.0.0.0.0.3100
flood0.0.0.0.0.0.0.0.0.41000.0.0.4100
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other causes0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality due to drought5.0264.5280.7710.41000.31001.84512.617
other loss of vitality0.41000.41000.31000.0.0.31000.8702.241
total19.21338.6921.9124.6286.7236.82397.96
>50%n/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
no sanitary/salvage felling0.0.0.0.0.0.0.0.0.0.0.0.0.0.
insects9.71919.11310.9180.7710.7710.77141.89
fungi1.8458.7201.5500.0.0.0.0.0.12.017
wind3.73115.11513.9161.4503.9301.55039.59
snow load0.7711.1582.8351.8450.7710.41007.422
avalanche0.0.0.0.0.7710.31000.41000.41001.845
debris flow, landslide0.0.0.0.0.41000.41000.0.0.0.0.771
flood0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other causes0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality due to drought6.0245.5250.31000.31000.31000.310012.816
other loss of vitality0.0.1.4500.41000.41000.0.0.0.2.141
total21.91250.7830.9105.2266.0243.333118.05
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
no sanitary/salvage felling149.53168.63278.6399.45144.24155.43995.51
insects15.81531.21016.2151.8451.4503.23369.77
fungi4.62816.0145.2270.0.0.41000.0.26.111
wind8.42025.61122.6123.1337.1222.63869.47
snow load1.0584.8274.9273.2332.1411.05817.014
avalanche0.0.0.0.1.4500.31000.41000.41002.538
debris flow, landslide0.0.0.0.0.7710.41000.0.0.0.1.158
flood0.0.0.0.0.0.0.0.0.41000.0.0.4100
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.
other causes0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality due to drought11.0179.9181.0580.7710.7712.14125.511
other loss of vitality0.41001.7450.7710.41000.31000.8704.329
total190.62258.02331.32109.25156.94165.421211.51
© WSL, Swiss National Forest Inventory, 05.03.2024 #1317877/499627

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1317877. Birmensdorf, Swiss Federal Research Institute WSL

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