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NFI4b

forest area: percentage of salvage logging · cause of salvage logging · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
percentage of salvage loggingcause of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0%n/a76.93.893.36.692.05.587.61.576.56.390.02.9100.0.97.62.496.80.995.42.388.02.989.53.3100.0.90.24.292.72.280.66.488.03.690.13.677.25.096.61.195.43.291.51.896.71.153.814.386.02.990.70.5
insects....................................................
fungi....................................................
windthrow....................................................
snow load....................................................
avalanches....................................................
landslides....................................................
flooding....................................................
forest fire....................................................
loss of vitality....................................................
others....................................................
total76.93.893.36.692.05.587.61.576.56.390.02.9100.0.97.62.496.80.995.42.388.02.989.53.3100.0.90.24.292.72.280.66.488.03.690.13.677.25.096.61.195.43.291.51.896.71.153.814.386.02.990.70.5
1-50%n/a....................................................
insects4.11.8....1.70.6..0.90.9......1.21.20.80.83.52.0....0.70.75.63.91.21.2..2.82.00.40.4..0.40.4....2.11.21.00.2
fungi1.71.2....0.40.3......................2.82.8................2.11.20.30.1
windthrow5.82.1....2.30.74.33.01.81.3..........2.31.6..3.92.71.51.08.34.76.02.6..4.32.40.40.4..2.00.9..7.77.72.11.21.70.2
snow load1.71.2..4.04.0..4.33.0......0.50.3..0.80.8....2.02.02.21.3..2.41.7..2.82.00.40.4......7.77.72.81.40.70.2
avalanches......................................0.40.4..........0.00.0
landslides............................0.70.7....................0.00.0
flooding....................................................
forest fire....................................................
loss of vitality1.71.2....0.60.42.12.1............1.21.2........2.41.7........0.80.6......0.40.1
others0.80.8..............................................0.70.70.10.1
total15.73.3..4.04.05.11.010.74.62.71.6....0.50.31.21.21.61.17.02.8..5.93.35.11.916.76.312.03.6..10.03.61.50.7..3.21.1..15.410.49.82.54.20.4
over 50%n/a....................................................
insects3.31.6..4.04.04.81.04.33.02.71.6..2.42.41.00.51.21.28.82.53.52.0..2.02.01.51.0....4.22.48.53.40.40.4..2.91.1....2.11.22.50.3
fungi0.80.8................................................0.00.0
windthrow1.71.2....1.70.62.12.11.81.3....0.50.31.21.20.80.8....2.02.0..2.82.8..2.82.01.41.40.70.52.32.31.20.71.80.815.410.41.41.01.30.2
snow load......0.60.42.12.1......1.20.5..........0.70.7....1.41.41.41.40.40.4..0.40.41.50.715.410.4..0.70.1
avalanches......................................0.40.4..........0.00.0
landslides....................0.80.8............1.41.4..............0.10.0
flooding....................................................
forest fire....................................................
loss of vitality..6.76.6..0.20.24.33.00.90.9......1.21.2................1.41.4..2.32.30.80.6....0.70.70.40.1
others1.71.2........1.81.3......................................0.10.1
total7.42.46.76.64.04.07.41.212.84.97.32.5..2.42.42.70.83.52.010.42.73.52.0..3.92.72.21.32.82.8..9.93.612.84.01.90.84.63.25.31.43.31.130.813.24.21.75.10.4
totaln/a76.93.893.36.692.05.587.61.576.56.390.02.9100.0.97.62.496.80.995.42.388.02.989.53.3100.0.90.24.292.72.280.66.788.03.690.13.677.25.096.61.195.43.291.51.896.71.153.814.386.02.990.70.5
insects7.42.4..4.04.06.51.14.33.03.61.8..2.42.41.00.52.31.69.62.67.02.8..2.02.02.21.35.63.91.21.24.22.411.43.80.70.5..3.31.1....4.21.73.50.3
fungi2.51.4....0.40.3......................2.82.8................2.11.20.30.1
windthrow7.42.4....4.00.96.43.63.61.8....0.50.31.21.20.80.82.31.6..5.93.31.51.011.15.36.02.62.82.05.72.81.10.62.32.33.21.11.80.823.112.13.51.52.90.3
snow load1.71.2..4.04.00.60.46.43.6......1.70.6..0.80.8....2.02.02.91.4..2.41.71.41.44.32.40.70.5..0.40.41.50.723.112.12.81.41.40.2
avalanches......................................0.70.5..........0.10.0
landslides....................0.80.8......0.70.7....1.41.4..............0.10.1
flooding....................................................
forest fire....................................................
loss of vitality1.71.26.76.6..0.80.46.43.60.90.9......1.21.2..1.21.2........2.41.7..1.41.4..2.32.31.60.8....0.70.70.80.2
others2.51.4........1.81.3....................................0.70.70.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137131/123505

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
percentage of salvage logging
0%1-50%over 50%total
cantoncause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a37.45....37.46
insects..2.0441.6493.632
fungi..0.8700.41001.257
windthrow..2.8370.8703.632
snow load..0.870..0.870
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.870..0.870
others..0.41000.8701.257
total37.457.6213.63248.72
AIn/a4.513....4.513
insects........
fungi........
windthrow........
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.31000.3100
others........
total4.513..0.31004.811
ARn/a7.48....7.48
insects....0.31000.3100
fungi........
windthrow........
snow load..0.3100..0.3100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total7.480.31000.31008.05
BEn/a142.13....142.13
insects..2.7357.92010.617
fungi..0.771..0.771
windthrow..3.8302.7356.523
snow load....1.0581.058
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..1.0580.31001.450
others........
total142.138.22012.016162.32
BL/BSn/a14.610....14.610
insects....0.8700.870
fungi........
windthrow..0.8700.41001.257
snow load..0.8700.41001.257
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.41000.8701.257
others........
total14.6102.0432.43919.16
FRn/a37.05....37.05
insects..0.41001.1571.549
fungi........
windthrow..0.7700.7701.549
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.41000.4100
others....0.7700.770
total37.051.1573.03441.13
GEn/a2.234....2.234
insects........
fungi........
windthrow........
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total2.234....2.234
GLn/a15.48....15.48
insects....0.41000.4100
fungi........
windthrow........
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total15.48..0.410015.88
GRn/a137.83....137.83
insects....1.4501.450
fungi........
windthrow....0.7710.771
snow load..0.7711.7452.438
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total137.830.7713.830142.33
JUn/a32.34....32.34
insects..0.41000.41000.870
fungi........
windthrow....0.41000.4100
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.41000.4100
others........
total32.340.41001.25733.93
LUn/a34.65....34.65
insects..0.31003.5293.828
fungi........
windthrow....0.31000.3100
snow load..0.3100..0.3100
avalanches........
landslides....0.31000.3100
flooding........
forest fire........
loss of vitality........
others........
total34.650.6704.12639.33
NEn/a24.56....24.56
insects..1.0571.0571.940
fungi........
windthrow..0.670..0.670
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.3100..0.3100
others........
total24.561.9401.05727.44
NWn/a6.512....6.513
insects........
fungi........
windthrow........
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total6.512....6.513
OWn/a17.26....17.26
insects....0.41000.4100
fungi........
windthrow..0.7700.41001.157
snow load..0.4100..0.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total17.261.1570.77019.04
SGn/a45.95....45.95
insects..0.41000.7701.157
fungi........
windthrow..0.770..0.770
snow load..1.1570.41001.450
avalanches........
landslides..0.4100..0.4100
flooding........
forest fire........
loss of vitality........
others........
total45.952.5371.15749.54
SHn/a10.39....10.39
insects..0.770..0.770
fungi..0.4100..0.4100
windthrow..1.1560.41001.448
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total10.392.1380.410012.83
SOn/a27.65....27.65
insects..0.4100..0.4100
fungi........
windthrow..1.944..1.944
snow load..0.870..0.870
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.870..0.870
others........
total27.653.830..31.44
SZn/a23.26....23.26
insects....1.1571.157
fungi........
windthrow....0.7700.770
snow load....0.41000.4100
avalanches........
landslides....0.41000.4100
flooding........
forest fire........
loss of vitality........
others........
total23.26..2.53625.75
TGn/a16.28....16.28
insects..0.6701.8392.434
fungi........
windthrow..0.9570.31001.249
snow load..0.6700.31000.957
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.31000.3100
others........
total16.282.1362.73121.04
TIn/a92.74....92.74
insects..0.41000.41000.771
fungi........
windthrow..0.41000.7711.158
snow load..0.41000.41000.771
avalanches..0.41000.41000.771
landslides........
flooding........
forest fire........
loss of vitality........
others........
total92.741.4501.84495.94
URn/a13.712....13.712
insects........
fungi........
windthrow....0.31000.3100
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.31000.3100
others........
total13.712..0.77014.311
VDn/a85.33....85.33
insects..0.41002.7373.035
fungi........
windthrow..1.9451.1583.035
snow load....0.41000.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.8710.8711.550
others........
total85.333.0354.92793.23
VSn/a90.64....90.64
insects........
fungi........
windthrow....1.7441.744
snow load....1.4501.450
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total90.64..3.13393.73
ZGn/a3.028....3.028
insects........
fungi........
windthrow..0.41000.9681.353
snow load..0.41000.9681.353
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total3.0280.9681.7445.69
ZHn/a43.44....43.44
insects..1.1571.1572.140
fungi..1.157..1.157
windthrow..1.1570.7701.844
snow load..1.449..1.449
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.41000.4100
others..0.4100..0.4100
total43.444.9262.14050.42
Switzerlandn/a965.31....965.31
insects..10.61826.41137.010
fungi..2.9350.41003.333
windthrow..17.81413.31631.111
snow load..8.0217.22215.115
avalanches..0.41000.41000.771
landslides..0.41000.7711.058
flooding........
forest fire........
loss of vitality..4.1304.0308.121
others..0.8711.6502.341
total965.3144.9953.881064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137132/123506

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
percentage of salvage loggingcause of salvage logging %± %± %± %± %± %±
0%n/a88.21.482.31.591.71.295.40.797.00.990.80.5
insects............
fungi............
windthrow............
snow load............
avalanches............
landslides............
flooding............
forest fire............
loss of vitality............
others............
total88.21.482.31.591.71.295.40.797.00.990.80.5
1-50%n/a............
insects1.50.52.60.60.70.4..0.30.31.00.2
fungi0.40.30.80.30.20.2....0.30.1
windthrow3.20.83.40.70.90.40.40.20.30.31.60.2
snow load0.40.31.70.50.90.40.20.20.60.40.70.2
avalanches........0.30.30.00.0
landslides..0.20.2......0.00.0
flooding............
forest fire............
loss of vitality1.30.50.30.20.20.20.10.1..0.40.1
others..0.30.2......0.10.0
total6.71.19.31.12.80.70.80.31.50.74.20.4
over 50%n/a............
insects2.60.74.80.83.50.81.10.30.30.32.50.3
fungi..0.20.2......0.00.0
windthrow1.10.51.60.50.90.41.50.40.60.41.20.2
snow load0.40.30.50.30.70.41.10.30.30.30.70.1
avalanches........0.30.30.00.0
landslides..0.20.20.20.2....0.10.0
flooding............
forest fire............
loss of vitality0.70.40.80.30.20.20.10.1..0.40.1
others0.20.20.50.3......0.10.1
total5.00.98.41.15.51.03.80.61.50.75.10.4
totaln/a88.21.482.31.591.71.295.40.797.00.990.80.5
insects4.10.97.51.04.20.81.10.30.60.43.60.3
fungi0.40.30.90.40.20.2....0.30.1
windthrow4.30.95.00.91.80.62.00.50.90.52.90.3
snow load0.70.42.20.61.60.51.30.40.90.51.40.2
avalanches........0.60.40.10.0
landslides..0.30.20.20.2....0.10.1
flooding............
forest fire............
loss of vitality2.10.61.10.40.40.20.20.2..0.70.2
others0.20.20.80.3......0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137133/123507

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
percentage of salvage loggingcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0%n/a172.72186.22187.82300.12115.73962.61
insects............
fungi............
windthrow............
snow load............
avalanches............
landslides............
flooding............
forest fire............
loss of vitality............
others............
total172.72186.22187.82300.12115.73962.61
1-50%n/a............
insects2.9356.0241.450..0.410010.718
fungi0.7711.8450.4100....2.835
windthrow6.2247.7211.8451.4500.410017.514
snow load0.7713.9301.8450.7710.7717.821
avalanches........0.41000.4100
landslides..0.4100......0.4100
flooding............
forest fire............
loss of vitality2.6380.7710.41000.3100..4.030
others..0.771......0.771
total13.11621.1125.8252.4381.84544.29
over 50%n/a............
insects5.12610.9187.2223.5310.410027.011
fungi..0.4100......0.4100
windthrow2.2413.5311.8454.8270.77113.116
snow load0.7711.1581.4503.5320.41007.022
avalanches........0.41000.4100
landslides..0.41000.4100....0.771
flooding............
forest fire............
loss of vitality1.5501.8450.41000.3100..3.930
others0.41001.158......1.450
total9.91919.01311.21812.1171.84553.98
totaln/a172.72186.22187.82300.12115.73962.61
insects8.02116.9148.7203.5310.77137.79
fungi0.7712.1410.4100....3.233
windthrow8.42011.3173.6316.2231.15830.511
snow load1.5504.9263.2334.1291.15814.815
avalanches........0.7710.771
landslides..0.7710.4100....1.158
flooding............
forest fire............
loss of vitality4.0302.5380.7710.771..7.921
others0.41001.845......2.141
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137134/123508

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
percentage of salvage loggingcause of salvage logging %± %± %± %± %± %± %±
0%n/a85.01.092.61.191.41.596.71.196.51.097.00.990.70.5
insects..............
fungi..............
windthrow..............
snow load..............
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total85.01.092.61.191.41.596.71.196.51.097.00.990.70.5
1-50%n/a..............
insects2.10.40.60.30.30.3....0.30.31.00.2
fungi0.60.2..0.30.3......0.30.1
windthrow3.30.51.30.50.60.4....0.30.31.70.2
snow load1.10.30.20.21.50.7..0.30.30.60.40.70.2
avalanches..........0.30.30.00.0
landslides0.10.1..........0.00.0
flooding..............
forest fire..............
loss of vitality0.80.30.40.3........0.40.1
others0.20.1..........0.10.0
total8.10.82.50.72.70.9..0.30.31.50.74.20.4
over 50%n/a..............
insects3.80.63.40.82.40.8..1.20.60.30.32.60.3
fungi0.10.1..........0.00.0
windthrow1.40.31.30.51.50.71.80.80.60.40.60.41.20.2
snow load0.40.20.20.21.20.61.50.71.50.70.30.30.70.1
avalanches..........0.30.30.00.0
landslides0.10.1..0.30.3......0.10.0
flooding..............
forest fire..............
loss of vitality0.80.3..0.60.4......0.40.1
others0.30.2..........0.10.1
total6.90.74.90.95.91.33.31.13.21.01.50.75.10.4
totaln/a85.01.092.61.191.41.596.71.196.51.097.00.990.70.5
insects5.90.74.00.92.70.9..1.20.60.60.43.60.3
fungi0.70.2..0.30.3......0.30.1
windthrow4.70.62.70.72.10.81.80.80.60.40.90.52.90.3
snow load1.50.40.40.32.70.91.50.71.80.70.90.51.40.2
avalanches..........0.60.40.10.0
landslides0.20.1..0.30.3......0.10.1
flooding..............
forest fire..............
loss of vitality1.50.40.40.30.60.4......0.70.2
others0.50.2..........0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137135/123509

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
percentage of salvage loggingcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0%n/a358.82176.32106.7390.64114.83115.73962.91
insects..............
fungi..............
windthrow..............
snow load..............
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total358.82176.32106.7390.64114.83115.73962.91
1-50%n/a..............
insects8.9201.1580.3100....0.410010.718
fungi2.538..0.3100......2.835
windthrow14.0162.5380.771....0.410017.514
snow load4.6280.41001.744..0.41000.7717.821
avalanches..........0.41000.4100
landslides0.4100..........0.4100
flooding..............
forest fire..............
loss of vitality3.2330.771........3.930
others0.771..........0.771
total34.3104.7273.133..0.41001.84544.39
over 50%n/a..............
insects16.1156.5232.835..1.4500.410027.111
fungi0.4100..........0.4100
windthrow5.7252.5381.7441.7440.7710.77113.116
snow load1.8450.41001.4501.4501.8450.41007.022
avalanches..........0.41000.4100
landslides0.4100..0.3100......0.771
flooding..............
forest fire..............
loss of vitality3.233..0.771......3.930
others1.450..........1.450
total29.0119.4196.9223.1333.9301.84554.08
totaln/a358.82176.32106.7390.64114.83115.73962.91
insects25.0127.6213.133..1.4500.77137.89
fungi2.935..0.3100......3.233
windthrow19.7135.0262.4381.7440.7711.15830.611
snow load6.4230.7713.1331.4502.1411.15814.815
avalanches..........0.7710.771
landslides0.771..0.3100......1.158
flooding..............
forest fire..............
loss of vitality6.4230.7710.771......7.821
others2.141..........2.141
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137136/123510

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
percentage of salvage loggingcause of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0%n/a90.91.479.03.885.33.382.02.681.52.295.52.092.01.789.12.291.52.392.23.496.32.196.71.196.51.097.00.990.80.5
insects..............................
fungi..............................
windthrow..............................
snow load..............................
avalanches..............................
landslides..............................
flooding..............................
forest fire..............................
loss of vitality..............................
others..............................
total90.91.479.03.885.33.382.02.681.52.295.52.092.01.789.12.291.52.392.23.496.32.196.71.196.51.097.00.990.80.5
1-50%n/a..............................
insects1.20.52.51.40.90.93.21.22.91.00.90.90.80.50.50.5..........0.30.31.00.2
fungi..1.71.2..0.90.61.00.6....0.50.5............0.30.1
windthrow1.90.77.62.42.51.43.21.23.91.12.71.50.40.40.50.52.01.11.61.6......0.30.31.70.2
snow load..1.71.2..1.40.82.60.9..0.40.42.11.0....1.21.2..0.30.30.60.40.70.2
avalanches..........................0.30.30.00.0
landslides........0.30.3..................0.00.0
flooding..............................
forest fire..............................
loss of vitality1.20.51.71.2..0.90.6....0.40.4..0.70.7..........0.40.1
others........0.60.5..................0.10.0
total4.31.015.13.33.41.79.52.011.41.83.61.81.90.83.61.32.61.31.61.61.21.2..0.30.31.50.74.20.4
over 50%n/a..............................
insects3.10.90.80.85.22.15.91.63.91.1..5.31.43.11.32.61.3..2.51.8..1.20.60.30.32.50.3
fungi........0.30.3..................0.00.0
windthrow1.00.51.71.21.71.21.40.81.60.70.90.90.40.41.60.93.31.43.12.2..1.80.80.60.40.60.41.20.2
snow load0.20.20.80.80.90.90.50.50.30.3..0.40.41.60.9..1.61.6..1.50.71.50.70.30.30.70.1
avalanches..........................0.30.30.00.0
landslides......0.50.5......0.50.5............0.10.0
flooding..............................
forest fire..............................
loss of vitality0.50.31.71.21.71.20.50.50.60.5....0.50.5..1.61.6........0.40.1
others..0.80.81.71.2..0.30.3..................0.10.1
total4.81.05.92.211.43.08.61.97.11.50.90.96.11.57.31.95.91.96.23.02.51.83.31.13.21.01.50.75.10.4
totaln/a90.91.479.03.885.33.382.02.681.52.295.52.092.01.789.12.291.52.392.23.496.32.196.71.196.51.097.00.990.80.5
insects4.31.03.41.76.12.29.01.96.81.40.90.96.11.53.61.32.61.3..2.51.8..1.20.60.60.43.50.3
fungi..1.71.2..0.90.61.30.6....0.50.5............0.30.1
windthrow2.90.89.32.74.21.94.51.45.51.33.61.80.80.52.11.05.21.84.72.6..1.80.80.60.40.90.52.90.3
snow load0.20.22.51.40.90.91.80.92.91.0..0.80.53.61.3..1.61.61.21.21.50.71.80.70.90.51.40.2
avalanches..........................0.60.40.10.0
landslides......0.50.50.30.3....0.50.5............0.10.1
flooding..............................
forest fire..............................
loss of vitality1.70.63.41.71.71.21.40.80.60.5..0.40.40.50.50.70.71.61.6........0.70.2
others..0.80.81.71.2..1.00.6..................0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137137/123511

NFI4b

forest area: percentage of salvage logging · cause of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
percentage of salvage logging
0%1-50%over 50%total
economic regioncause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a135.32....135.32
insects..1.8454.6276.423
fungi........
windthrow..2.9351.4504.329
snow load....0.41000.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..1.8450.7712.538
others........
total135.326.4237.122148.92
Eastern Juran/a37.15....37.15
insects..1.2570.41001.649
fungi..0.870..0.870
windthrow..3.6320.8704.429
snow load..0.8700.41001.257
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.8700.8701.649
others....0.41000.4100
total37.157.1222.83747.03
Western Plateaun/a40.25....40.25
insects..0.41002.5402.937
fungi........
windthrow..1.2580.8702.044
snow load....0.41000.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.8700.870
others....0.8700.870
total40.251.6505.42647.24
Central Plateaun/a56.34....56.34
insects..2.2374.0276.221
fungi..0.671..0.671
windthrow..2.2370.9573.131
snow load..0.9570.31001.250
avalanches........
landslides....0.31000.3100
flooding........
forest fire........
loss of vitality..0.6710.31000.957
others........
total56.346.5215.92268.72
Eastern Plateaun/a89.73....89.73
insects..3.2334.3287.521
fungi..1.1580.41001.450
windthrow..4.3281.8446.124
snow load..2.9350.41003.233
avalanches........
landslides..0.4100..0.4100
flooding........
forest fire........
loss of vitality....0.7710.771
others..0.7710.41001.158
total89.7312.5167.921110.12
Western Pre-Alpsn/a39.25....39.25
insects..0.4100..0.4100
fungi........
windthrow..1.1570.41001.549
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total39.251.5490.410041.14
Central Pre-Alpsn/a87.13....87.13
insects..0.7715.0265.724
fungi........
windthrow..0.41000.41000.771
snow load..0.41000.41000.771
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.4100..0.4100
others........
total87.131.8445.72494.72
Eastern Pre-Alpsn/a61.44....61.44
insects..0.41002.1402.537
fungi..0.4100..0.4100
windthrow..0.41001.1571.450
snow load..1.4501.1572.537
avalanches........
landslides....0.41000.4100
flooding........
forest fire........
loss of vitality....0.41000.4100
others........
total61.442.5375.02668.93
Northwestern Alpsn/a50.05....50.05
insects....1.4501.450
fungi........
windthrow..1.1571.8442.935
snow load........
avalanches........
landslides........
flooding........
forest fire........
loss of vitality..0.4100..0.4100
others........
total50.051.4503.23354.74
Central Alpsn/a20.49....20.49
insects........
fungi........
windthrow..0.31000.7701.057
snow load....0.31000.3100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality....0.31000.3100
others........
total20.490.31001.44922.18
Northeastern Alpsn/a27.67....27.67
insects....0.7700.770
fungi........
windthrow........
snow load..0.4100..0.4100
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total27.670.41000.77028.76
Southwestern Alpsn/a90.64....90.64
insects........
fungi........
windthrow....1.7441.744
snow load....1.4501.450
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total90.64..3.13393.73
Southeastern Alpsn/a114.83....114.83
insects....1.4501.450
fungi........
windthrow....0.7710.771
snow load..0.41001.8452.141
avalanches........
landslides........
flooding........
forest fire........
loss of vitality........
others........
total114.830.41003.930119.03
Southern Alpsn/a115.73....115.73
insects..0.41000.41000.771
fungi........
windthrow..0.41000.7711.158
snow load..0.7710.41001.158
avalanches..0.41000.41000.771
landslides........
flooding........
forest fire........
loss of vitality........
others........
total115.731.8451.845119.33
Switzerlandn/a965.61....965.61
insects..10.61826.91137.510
fungi..2.8350.41003.233
windthrow..17.71413.21630.811
snow load..7.8217.12214.915
avalanches..0.41000.41000.771
landslides..0.41000.7711.058
flooding........
forest fire........
loss of vitality..3.9304.1308.021
others..0.7711.6502.341
total965.6144.2954.181063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137138/123512

NFI4b

forest area: stand stability · degree of damage of the stand · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilitydegree of damage of the stand %± %± %± %± %± %± %±
criticaln/a....1.41.42.62.53.93.8..1.60.9
insignificant damage45.515.033.311.117.84.623.16.811.66.37.04.819.42.9
slightly damaged27.313.433.311.135.95.820.56.531.09.141.99.232.43.4
moderately damaged18.211.616.78.818.74.730.87.434.59.327.38.324.33.1
highly damaged..16.78.820.14.810.34.915.57.17.04.814.12.5
extemely damaged9.18.7..2.92.02.62.5..9.95.53.61.3
dead....3.12.210.34.93.53.47.04.84.71.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stablen/a2.91.31.10.61.10.50.80.81.61.11.40.81.40.3
insignificant damage40.73.753.73.030.22.132.54.327.94.124.73.035.51.3
slightly damaged38.43.732.12.841.22.332.54.344.14.637.73.438.01.3
moderately damaged15.12.79.91.815.71.722.53.816.23.421.32.815.91.0
highly damaged2.91.32.91.06.71.26.72.38.52.610.62.16.20.7
extemely damaged..0.40.43.00.82.51.40.80.83.41.31.90.4
dead....2.10.72.51.40.80.81.00.71.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablen/a2.00.73.00.81.80.61.61.11.60.92.71.22.20.4
insignificant damage53.22.761.22.350.42.446.14.458.43.646.23.753.81.2
slightly damaged34.12.526.02.133.52.231.74.134.03.533.43.531.71.1
moderately damaged7.91.46.01.17.51.314.33.14.31.513.42.58.00.7
highly damaged1.70.72.80.83.20.83.21.61.60.92.71.22.50.4
extemely damaged0.60.40.50.32.00.71.61.1..1.10.81.00.2
dead0.60.40.70.41.60.61.61.1..0.50.50.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.20.62.20.51.40.41.40.71.80.71.90.71.80.2
insignificant damage49.12.257.61.838.51.637.22.943.82.733.02.344.20.9
slightly damaged35.32.128.51.737.31.630.52.737.42.736.12.334.30.8
moderately damaged10.41.37.71.012.21.020.02.411.01.718.21.912.20.6
highly damaged2.00.63.20.66.10.85.61.45.21.26.81.24.70.4
extemely damaged0.60.30.40.22.60.52.10.90.30.32.80.81.50.2
dead0.40.30.40.21.90.43.21.00.60.41.20.51.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137145/123519

NFI4b

forest area: stand stability · degree of damage of the stand · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilitydegree of damage of the stand1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticaln/a....0.41000.31000.4100..1.058
insignificant damage1.8452.1414.4293.1331.1580.77113.116
slightly damaged1.1582.1418.9202.7352.8354.32921.913
moderately damaged0.7711.1584.6284.1283.1332.83516.414
highly damaged..1.1585.0271.4501.4500.7719.519
extemely damaged0.4100..0.7710.3100..1.0582.438
dead....0.8711.4500.31000.7713.233
total4.0306.42324.71213.3159.11910.21867.67
less stablen/a1.8451.1581.8450.31000.7711.0586.723
insignificant damage25.21152.0749.4813.31511.61718.213169.74
slightly damaged23.81231.11067.5713.31518.31327.810181.84
moderately damaged9.4199.61925.6119.2196.72215.71476.27
highly damaged1.8452.83511.0182.7353.5317.82129.711
extemely damaged..0.41005.0271.0580.41002.5389.220
dead....3.4331.0580.41000.7715.526
total62.0696.95163.6441.0741.6873.65478.72
stablen/a2.5384.6282.9350.7711.1581.84513.516
insignificant damage68.1694.1579.0619.91238.1830.510329.73
slightly damaged43.6840.0952.5813.71522.21222.112194.04
moderately damaged10.1199.21911.7176.2232.8358.82048.88
highly damaged2.2414.2295.0271.4501.1581.84515.615
extemely damaged0.7710.7713.2330.771..0.7716.024
dead0.7711.1582.5380.771..0.41005.326
total127.93153.83156.7443.2765.2566.16613.02
totaln/a4.3295.7255.0271.4502.1412.83521.213
insignificant damage95.15148.23132.7436.3850.8749.47512.62
slightly damaged68.5673.26128.8429.8943.3854.27397.72
moderately damaged20.21319.81341.9919.51212.71627.311141.45
highly damaged4.0308.12120.9135.5246.02410.31854.88
extemely damaged1.1581.1588.9202.1410.41004.22917.614
dead0.7711.1586.6233.1330.7711.84514.016
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137146/123520

NFI4b

forest area: stand stability · degree of damage of the stand · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantondegree of damage of the stand %± %± %± %±
AGn/a..6.53.75.32.65.72.1
insignificant damage..52.27.457.95.655.74.5
slightly damaged..21.76.123.74.923.03.8
moderately damaged..15.25.37.93.110.72.8
highly damaged..4.33.02.61.83.31.6
extemely damaged....1.31.30.80.8
dead....1.31.30.80.8
total..100.0.100.0.100.0.
AIn/a........
insignificant damage..40.022.591.18.875.311.0
slightly damaged..60.022.4..18.59.9
moderately damaged........
highly damaged........
extemely damaged........
dead....8.98.86.26.1
total..100.0.100.0.100.0.
ARn/a........
insignificant damage..60.015.864.312.860.010.0
slightly damaged..30.014.821.411.224.08.7
moderately damaged..10.09.77.17.08.05.5
highly damaged100.0.....4.04.0
extemely damaged....7.17.04.04.0
dead........
total100.0.100.0.100.0.100.0.
BEn/a4.03.90.90.71.20.71.20.5
insignificant damage32.09.337.63.350.23.143.92.2
slightly damaged36.09.640.83.431.92.935.92.2
moderately damaged20.08.011.22.29.31.810.71.4
highly damaged4.03.96.11.63.91.24.81.0
extemely damaged..1.90.91.60.81.60.6
dead4.03.91.40.81.90.91.80.6
total100.0.100.0.100.0.100.0.
BL/BSn/a........
insignificant damage..47.411.547.18.947.27.0
slightly damaged..21.19.440.38.733.16.6
moderately damaged..31.610.76.34.315.75.1
highly damaged....3.13.12.02.0
extemely damaged........
dead....3.13.12.02.0
total..100.0.100.0.100.0.
FRn/a........
insignificant damage..44.56.858.26.649.24.7
slightly damaged20.018.029.76.229.16.229.04.3
moderately damaged40.022.012.94.65.43.010.52.9
highly damaged..3.62.57.33.55.22.1
extemely damaged40.022.05.63.1..4.41.9
dead..3.72.6..1.81.2
total100.0.100.0.100.0.100.0.
GEn/a....21.019.914.814.6
insignificant damage..50.038.0..14.814.6
slightly damaged..50.038.058.123.755.720.1
moderately damaged....21.019.914.814.6
highly damaged........
extemely damaged........
dead........
total..100.0.100.0.100.0.
GLn/a....11.87.94.53.1
insignificant damage20.018.026.19.252.712.235.47.2
slightly damaged40.022.143.510.45.95.828.96.8
moderately damaged..13.07.123.710.415.65.5
highly damaged40.022.18.75.9..8.94.3
extemely damaged..8.75.95.95.86.73.8
dead........
total100.0.100.0.100.0.100.0.
GRn/a3.03.00.50.51.90.81.40.5
insignificant damage12.25.725.63.255.23.041.12.2
slightly damaged36.68.445.93.733.22.938.32.2
moderately damaged30.28.017.02.87.41.612.61.5
highly damaged12.25.79.92.21.90.85.61.0
extemely damaged..0.50.50.40.40.40.3
dead5.84.00.50.5..0.60.3
total100.0.100.0.100.0.100.0.
JUn/a..3.13.13.92.73.52.0
insignificant damage25.021.825.17.739.26.933.45.1
slightly damaged75.021.759.38.737.36.847.15.4
moderately damaged..9.45.217.65.413.83.7
highly damaged..3.13.12.02.02.31.6
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
LUn/a..2.01.91.51.51.61.1
insignificant damage9.18.733.26.649.26.239.34.4
slightly damaged36.414.543.07.038.56.140.14.4
moderately damaged18.211.716.05.29.23.612.73.0
highly damaged27.313.53.92.71.51.54.71.9
extemely damaged..2.01.9..0.80.8
dead9.18.7....0.80.8
total100.0.100.0.100.0.100.0.
NEn/a..4.54.41.61.62.51.8
insignificant damage..47.79.658.46.455.15.4
slightly damaged..40.49.535.06.236.75.2
moderately damaged..7.35.01.61.63.41.9
highly damaged....3.32.32.31.6
extemely damaged........
dead........
total..100.0.100.0.100.0.
NWn/a........
insignificant damage..30.813.033.319.630.010.5
slightly damaged100.0.38.513.766.719.550.011.4
moderately damaged..23.111.9..15.08.2
highly damaged..7.77.6..5.05.0
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
OWn/a..4.04.04.44.33.92.7
insignificant damage33.327.536.09.660.710.347.07.1
slightly damaged33.327.540.09.813.17.127.56.3
moderately damaged33.327.512.06.68.75.911.84.6
highly damaged..4.04.04.44.33.92.7
extemely damaged..4.04.04.44.33.92.7
dead....4.44.32.02.0
total100.0.100.0.100.0.100.0.
SGn/a....4.42.52.01.1
insignificant damage..28.65.257.46.040.74.0
slightly damaged60.022.044.25.730.95.638.74.0
moderately damaged20.017.916.94.34.42.511.32.6
highly damaged20.017.95.22.5..3.31.5
extemely damaged..1.31.31.51.51.30.9
dead..3.92.21.51.52.71.3
total100.0.100.0.100.0.100.0.
SHn/a....3.83.82.82.8
insignificant damage100.0.66.715.873.18.572.27.4
slightly damaged..33.315.923.18.325.07.3
moderately damaged........
highly damaged........
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
SOn/a....3.82.72.41.7
insignificant damage..35.58.653.86.946.45.5
slightly damaged..29.08.230.86.429.85.0
moderately damaged100.0.29.08.25.83.315.54.0
highly damaged..6.54.43.82.74.82.3
extemely damaged........
dead....1.91.91.21.2
total100.0.100.0.100.0.100.0.
SZn/a....2.62.61.31.3
insignificant damage42.918.842.58.752.68.147.45.7
slightly damaged14.313.333.38.234.27.732.05.3
moderately damaged14.313.312.15.7..6.42.8
highly damaged28.617.26.14.27.94.49.03.3
extemely damaged..6.14.22.72.63.92.2
dead........
total100.0.100.0.100.0.100.0.
TGn/a..3.43.45.03.54.22.4
insignificant damage50.035.676.17.970.07.271.95.4
slightly damaged..13.76.422.56.618.24.6
moderately damaged..3.43.42.52.52.82.0
highly damaged50.035.63.43.4..2.82.0
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
TIn/a..1.71.02.21.31.80.7
insignificant damage4.24.124.33.347.04.332.22.6
slightly damaged42.210.136.13.735.44.136.32.7
moderately damaged28.99.321.93.211.82.818.22.1
highly damaged8.45.710.62.42.21.37.01.4
extemely damaged12.06.54.11.50.70.73.31.0
dead4.24.11.20.80.70.71.20.6
total100.0.100.0.100.0.100.0.
URn/a..11.86.4..5.53.1
insignificant damage..20.28.134.810.024.15.9
slightly damaged32.619.136.59.760.910.246.36.8
moderately damaged34.819.727.58.94.34.318.65.3
highly damaged32.619.13.93.9..5.53.1
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
VDn/a....1.81.11.20.7
insignificant damage36.414.539.45.358.63.951.33.1
slightly damaged27.313.445.45.428.73.534.22.9
moderately damaged9.18.712.83.68.52.29.91.9
highly damaged18.211.62.31.61.81.02.71.0
extemely damaged9.18.7..0.60.60.80.5
dead........
total100.0.100.0.100.0.100.0.
VSn/a2.42.40.80.81.41.01.30.6
insignificant damage22.06.533.84.145.24.237.42.7
slightly damaged19.56.231.64.034.03.931.12.6
moderately damaged31.77.320.33.513.22.818.62.2
highly damaged12.25.18.32.43.51.56.61.4
extemely damaged2.42.43.01.51.41.02.20.8
dead9.84.62.31.31.41.02.80.9
total100.0.100.0.100.0.100.0.
ZGn/a........
insignificant damage..20.018.555.617.142.913.7
slightly damaged..60.022.622.214.435.713.3
moderately damaged....11.110.87.17.1
highly damaged........
extemely damaged....11.110.87.17.1
dead..20.018.5..7.17.1
total..100.0.100.0.100.0.
ZHn/a..2.01.91.11.11.41.0
insignificant damage33.319.354.97.065.95.160.74.1
slightly damaged33.319.325.56.128.44.827.63.7
moderately damaged16.715.315.75.11.11.16.92.1
highly damaged16.715.32.01.91.11.12.11.2
extemely damaged....1.11.10.70.7
dead....1.11.10.70.7
total100.0.100.0.100.0.100.0.
Switzerlandn/a1.50.91.40.32.20.41.90.2
insignificant damage19.42.935.41.353.71.244.20.9
slightly damaged32.63.438.01.331.61.134.30.8
moderately damaged24.43.116.01.08.00.712.30.6
highly damaged13.92.56.20.72.60.44.70.4
extemely damaged3.71.41.90.41.00.21.50.2
dead4.51.51.10.30.90.21.20.2
total100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137147/123521

NFI4b

forest area: stand stability · degree of damage of the stand · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantondegree of damage of the stand1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a..1.2571.6492.837
insignificant damage..9.71817.71227.48
slightly damaged..4.0307.22211.317
moderately damaged..2.8372.4405.226
highly damaged..0.8700.8701.649
extemely damaged....0.41000.4100
dead....0.41000.4100
total..18.51230.6749.12
AIn/a........
insignificant damage..0.6693.3243.920
slightly damaged..1.054..1.054
moderately damaged........
highly damaged........
extemely damaged........
dead....0.31000.3100
total..1.6393.6225.212
ARn/a........
insignificant damage..1.9372.9274.817
slightly damaged..1.0551.0551.936
moderately damaged..0.31000.31000.669
highly damaged0.3100....0.3100
extemely damaged....0.31000.3100
dead........
total0.31003.2254.5188.05
BEn/a0.31000.7711.0582.141
insignificant damage2.73527.41044.2874.45
slightly damaged3.13329.81028.11060.96
moderately damaged1.7458.2208.22018.113
highly damaged0.31004.4273.4318.220
extemely damaged..1.4501.4502.835
dead0.31001.0581.7453.133
total8.52072.9588.05169.52
BL/BSn/a........
insignificant damage..3.7316.1229.815
slightly damaged..1.6495.2256.921
moderately damaged..2.4390.8703.333
highly damaged....0.41000.4100
extemely damaged........
dead....0.41000.4100
total..7.71913.01220.75
FRn/a........
insignificant damage..9.01812.01520.910
slightly damaged0.41006.0236.02312.315
moderately damaged0.7702.6371.1584.528
highly damaged..0.7711.5492.240
extemely damaged0.7701.157..1.944
dead..0.770..0.770
total1.94420.21020.51042.63
GEn/a....0.51000.5100
insignificant damage..0.5100..0.5100
slightly damaged..0.51001.3541.743
moderately damaged....0.51000.5100
highly damaged........
extemely damaged........
dead........
total..0.9652.2343.120
GLn/a....0.8700.870
insignificant damage0.41002.3393.4316.122
slightly damaged0.8703.9290.41005.024
moderately damaged..1.2571.5492.736
highly damaged0.8700.870..1.549
extemely damaged..0.8700.41001.257
dead........
total1.9438.9166.52117.37
GRn/a0.31000.31001.7452.438
insignificant damage1.45016.41451.5769.36
slightly damaged4.22929.31031.01064.56
moderately damaged3.53110.8176.92221.212
highly damaged1.4506.3231.7459.419
extemely damaged..0.31000.31000.771
dead0.7710.3100..1.058
total11.41763.8693.44168.62
JUn/a..0.41000.8701.257
insignificant damage0.41003.1347.82011.315
slightly damaged1.2577.4217.42115.912
moderately damaged..1.2573.5324.727
highly damaged..0.41000.41000.870
extemely damaged........
dead........
total1.64912.41519.9933.93
LUn/a..0.31000.31000.670
insignificant damage0.31005.32310.11615.812
slightly damaged1.3496.9207.91816.111
moderately damaged0.6702.6351.9405.124
highly damaged0.9570.6700.31001.940
extemely damaged..0.3100..0.3100
dead0.3100....0.3100
total3.52916.11120.5940.03
NEn/a..0.41000.31000.771
insignificant damage..4.22611.41415.511
slightly damaged..3.5286.82010.315
moderately damaged..0.6700.31001.057
highly damaged....0.6700.670
extemely damaged........
dead........
total..8.71719.4928.24
NWn/a........
insignificant damage..1.5460.8692.336
slightly damaged0.41001.9401.5463.824
moderately damaged..1.255..1.255
highly damaged..0.4100..0.4100
extemely damaged........
dead........
total0.41005.0192.3367.78
OWn/a..0.41000.41000.770
insignificant damage0.41003.4315.2248.916
slightly damaged0.41003.7291.1575.223
moderately damaged0.41001.1570.7702.239
highly damaged..0.41000.41000.770
extemely damaged..0.41000.41000.770
dead....0.41000.4100
total1.1579.3158.61619.04
SGn/a....1.1581.158
insignificant damage..8.02014.11422.011
slightly damaged1.15712.3167.62121.011
moderately damaged0.41004.7271.1576.123
highly damaged0.41001.450..1.844
extemely damaged..0.41000.41000.770
dead..1.1580.41001.450
total1.84427.8924.61054.24
SHn/a....0.41000.4100
insignificant damage0.41002.1386.8169.311
slightly damaged..1.1562.1383.229
moderately damaged........
highly damaged........
extemely damaged........
dead........
total0.41003.2299.31112.83
SOn/a....0.8700.870
insignificant damage..4.22910.61614.812
slightly damaged..3.4326.1239.517
moderately damaged0.41003.4321.1574.926
highly damaged..0.8700.8701.549
extemely damaged........
dead....0.41000.4100
total0.410011.71519.7931.83
SZn/a....0.41000.4100
insignificant damage1.1575.1257.22013.413
slightly damaged0.41004.0284.7269.017
moderately damaged0.41001.449..1.844
highly damaged0.7700.7701.1572.537
extemely damaged..0.7700.41001.157
dead........
total2.53611.91413.81328.35
TGn/a..0.31000.6700.957
insignificant damage0.31006.7188.41515.38
slightly damaged..1.2492.7313.925
moderately damaged..0.31000.31000.670
highly damaged0.31000.3100..0.670
extemely damaged........
dead........
total0.6708.71511.91121.33
TIn/a..1.0581.1582.141
insignificant damage0.410014.71522.91137.98
slightly damaged3.63121.91217.21442.78
moderately damaged2.53813.3165.72521.412
highly damaged0.7716.4231.1588.220
extemely damaged1.0582.5370.41003.930
dead0.41000.7710.41001.450
total8.52060.5648.77117.72
URn/a..1.057..1.057
insignificant damage..1.7442.6344.326
slightly damaged0.7703.1324.6248.317
moderately damaged0.7712.3360.31003.330
highly damaged0.7700.3100..1.057
extemely damaged........
dead........
total2.0408.4177.61718.09
VDn/a....1.1581.158
insignificant damage1.55012.91636.4850.76
slightly damaged1.15814.81517.81333.89
moderately damaged0.41004.2305.3269.819
highly damaged0.8710.8711.1582.638
extemely damaged0.4100..0.41000.871
dead........
total4.23032.6962.1598.92
VSn/a0.31000.31000.7711.450
insignificant damage3.13315.41422.31140.98
slightly damaged2.73514.41516.81333.99
moderately damaged4.5279.3196.52220.212
highly damaged1.7443.8301.7447.221
extemely damaged0.31001.4500.7712.437
dead1.4501.0580.7713.133
total14.11545.6749.57109.13
ZGn/a........
insignificant damage..0.41002.1372.632
slightly damaged..1.3530.9682.138
moderately damaged....0.41000.4100
highly damaged........
extemely damaged....0.41000.4100
dead..0.4100..0.4100
total..2.1373.9216.06
ZHn/a..0.41000.41000.770
insignificant damage0.7709.91720.51031.07
slightly damaged0.7704.6278.81814.114
moderately damaged0.41002.8350.41003.531
highly damaged0.41000.41000.41001.157
extemely damaged....0.41000.4100
dead....0.41000.4100
total2.14018.01231.0751.12
Switzerlandn/a1.0586.72313.81621.613
insignificant damage13.016169.94330.33513.22
slightly damaged21.913182.44194.24398.53
moderately damaged16.41476.7749.58142.55
highly damaged9.41929.61115.71554.78
extemely damaged2.5389.3206.22417.914
dead3.0335.4265.42613.816
total67.27480.02615.021162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137148/123522

NFI4b

forest area: stand stability · degree of damage of the stand · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilitydegree of damage of the stand %± %± %± %± %± %±
criticaln/a......3.11.8..1.50.9
insignificant damage50.014.425.010.817.15.918.94.07.55.119.42.9
slightly damaged25.012.537.512.136.67.528.04.641.29.532.33.4
moderately damaged16.710.818.89.822.06.526.14.529.48.824.43.1
highly damaged..18.89.814.65.516.63.87.55.114.02.5
extemely damaged8.38.0..4.93.41.01.010.75.93.61.3
dead....4.93.46.32.53.73.74.71.5
total100.0.100.0.100.0.100.0.100.0.100.0.
less stablen/a2.91.31.20.70.70.51.30.51.40.81.40.3
insignificant damage42.53.852.93.236.92.927.32.124.73.035.51.3
slightly damaged36.83.732.13.039.43.041.22.337.03.438.01.3
moderately damaged15.52.79.41.915.72.217.21.821.72.915.91.0
highly damaged2.31.14.11.33.31.18.61.310.82.26.20.7
extemely damaged..0.40.42.20.92.60.83.51.31.90.4
dead....1.80.81.80.61.00.71.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.
stablen/a2.20.82.80.81.80.81.80.62.81.22.20.4
insignificant damage53.62.660.82.554.63.050.62.246.63.753.81.2
slightly damaged33.82.526.12.233.12.833.02.133.03.531.71.1
moderately damaged7.41.46.41.25.31.39.21.313.22.58.00.7
highly damaged1.90.72.60.82.81.02.80.72.71.22.50.4
extemely damaged0.50.40.50.41.10.61.60.61.10.81.00.2
dead0.50.40.80.41.40.71.00.40.50.50.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.40.62.10.61.20.41.70.41.90.71.80.2
insignificant damage50.02.156.91.943.92.037.71.533.32.344.20.9
slightly damaged34.52.028.71.836.22.036.11.535.52.434.30.8
moderately damaged10.21.37.81.111.21.314.21.118.41.912.20.6
highly damaged2.00.63.50.73.80.86.50.87.01.34.70.4
extemely damaged0.50.30.50.31.80.52.00.42.90.81.50.2
dead0.40.30.50.31.80.51.80.41.00.51.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137149/123523

NFI4b

forest area: stand stability · degree of damage of the stand · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilitydegree of damage of the stand1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticaln/a......1.058..1.058
insignificant damage2.2411.4502.5386.3230.77113.116
slightly damaged1.1582.1415.4269.3193.93021.813
moderately damaged0.7711.1583.2338.7202.83516.514
highly damaged..1.1582.2415.5250.7719.519
extemely damaged0.4100..0.7710.31001.0582.438
dead....0.7712.1410.41003.233
total4.4295.62514.81533.3109.51967.57
less stablen/a1.8451.1580.7712.1411.0586.723
insignificant damage27.01145.7836.4943.0917.713169.84
slightly damaged23.41227.71138.9964.8726.611181.44
moderately damaged9.9198.12115.51527.01115.61476.17
highly damaged1.5503.5313.23313.5167.72129.511
extemely damaged..0.41002.2414.1292.5389.120
dead....1.8452.8350.7715.326
total63.5686.4598.75157.4471.85477.92
stablen/a2.9353.9301.8453.1331.84513.516
insignificant damage71.2683.3555.9789.0630.010329.43
slightly damaged44.9835.8933.91058.2721.312194.14
moderately damaged9.8198.8205.42616.3148.52048.88
highly damaged2.6383.5312.9354.9271.84515.615
extemely damaged0.7710.7711.1582.8350.7716.024
dead0.7711.1581.4501.7450.41005.326
total132.93137.13102.35176.1364.46612.82
totaln/a4.7274.9262.5386.3232.83521.313
insignificant damage100.44130.4494.85138.3448.57512.42
slightly damaged69.4665.7678.26132.3451.87397.33
moderately damaged20.41317.91424.11252.0826.911141.45
highly damaged4.0308.1218.32123.91210.21854.58
extemely damaged1.1581.1584.0307.3224.22917.614
dead0.7711.1584.0306.6231.45013.816
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137150/123524

NFI4b

forest area: stand stability · degree of damage of the stand · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of damage of the stand %± %± %± %± %± %± %±
criticaln/a..2.42.4..2.42.43.43.3..1.60.9
insignificant damage35.79.122.06.517.47.922.06.510.15.57.55.119.52.9
slightly damaged32.18.834.17.435.39.519.56.236.98.841.29.532.43.4
moderately damaged17.97.219.56.215.97.331.77.329.98.429.48.824.33.1
highly damaged10.75.812.25.131.49.312.25.113.46.27.55.114.02.5
extemely damaged3.63.54.93.4..2.42.4..10.75.93.61.3
dead..4.93.4..9.84.66.44.43.73.74.61.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stablen/a1.90.70.70.52.61.30.80.80.70.71.40.81.40.3
insignificant damage48.62.433.02.829.83.533.84.125.43.624.73.035.51.3
slightly damaged34.02.341.33.040.33.831.64.047.04.137.03.437.91.3
moderately damaged11.91.614.92.117.22.920.33.516.13.021.72.915.91.0
highly damaged3.30.95.11.35.21.78.32.49.42.410.82.26.20.7
extemely damaged0.20.23.31.12.31.23.01.50.70.73.51.31.90.4
dead..1.80.82.61.32.31.30.70.71.00.71.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablen/a2.50.61.20.73.41.41.41.01.40.82.81.22.20.4
insignificant damage57.31.849.23.254.93.745.24.257.23.346.63.753.81.2
slightly damaged29.81.733.13.030.43.534.03.934.73.233.03.531.71.1
moderately damaged6.90.98.51.85.61.713.22.85.41.513.22.58.00.7
highly damaged2.30.54.41.31.71.03.51.51.40.82.71.22.60.4
extemely damaged0.50.31.60.82.81.21.41.0..1.10.81.00.2
dead0.70.32.00.91.10.81.41.0..0.50.50.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.20.41.10.42.80.91.30.61.20.61.90.71.80.2
insignificant damage53.71.439.32.140.92.637.42.741.92.533.32.344.20.9
slightly damaged31.41.337.22.035.32.531.12.639.42.435.52.434.30.8
moderately damaged8.90.812.41.411.61.718.62.211.21.618.41.912.20.6
highly damaged2.80.55.30.95.31.26.61.45.31.17.01.34.70.4
extemely damaged0.50.22.70.72.40.82.20.80.20.22.90.81.50.2
dead0.40.22.10.61.70.72.80.90.70.41.00.51.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137151/123525

NFI4b

forest area: stand stability · degree of damage of the stand · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of damage of the stand1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticaln/a..0.4100..0.31000.4100..1.158
insignificant damage3.6323.2331.5513.1331.1580.77113.216
slightly damaged3.2335.0263.1332.7353.9303.93021.913
moderately damaged1.8452.9351.4504.5273.1332.83516.414
highly damaged1.1581.8452.8351.7441.4500.7719.519
extemely damaged0.41000.771..0.3100..1.0582.438
dead..0.771..1.4500.7710.41003.133
total10.01914.8158.82014.11510.5189.51967.67
less stablen/a2.9350.7711.5510.31000.41001.0586.823
insignificant damage73.0632.81017.61315.41413.31617.713169.94
slightly damaged51.1841.1923.81114.41524.61126.611181.64
moderately damaged17.91414.81510.2189.3198.42015.61476.17
highly damaged5.0275.0263.1333.8304.9267.72129.611
extemely damaged0.41003.2331.4501.4500.41002.5389.220
dead..1.8451.5511.0580.41000.7715.426
total150.2499.5559.2645.6752.3771.85478.72
stablen/a6.8231.1582.1410.7711.1581.84513.516
insignificant damage154.5444.0833.9922.31144.5830.010329.33
slightly damaged80.5629.61018.81316.81327.01021.312193.94
moderately damaged18.6147.6223.4316.5224.2298.52048.88
highly damaged6.1244.0301.1581.7441.1581.84515.615
extemely damaged1.4501.4501.7450.771..0.7716.024
dead1.8451.8450.7710.771..0.41005.326
total269.7289.4561.7649.5777.9564.46612.62
totaln/a9.7192.2413.6321.4501.8452.83521.413
insignificant damage231.1380.1653.0740.9858.9648.57512.42
slightly damaged134.9475.7645.7733.9955.5751.87397.53
moderately damaged38.3925.21115.01520.21215.81426.911141.45
highly damaged12.21710.8186.9227.2217.42110.21854.78
extemely damaged2.1415.4263.1332.4370.41004.22917.614
dead1.8454.3292.2413.1331.0581.45013.916
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137152/123526

NFI4b

forest area: stand stability · degree of damage of the stand · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
economic regiondegree of damage of the stand %± %± %± %±
Western Juran/a..1.61.11.40.71.40.6
insignificant damage50.015.840.04.352.12.948.32.4
slightly damaged30.014.542.34.334.72.836.92.3
moderately damaged10.09.513.93.08.41.610.11.5
highly damaged..2.31.32.10.82.10.7
extemely damaged10.09.5..0.70.50.70.4
dead....0.70.50.50.3
total100.0.100.0.100.0.100.0.
Eastern Juran/a..6.83.85.32.65.72.1
insignificant damage50.035.550.07.559.35.655.84.5
slightly damaged..20.56.130.15.326.14.0
moderately damaged50.035.520.56.14.02.210.72.8
highly damaged..2.32.31.31.31.61.2
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
Western Plateaun/a....2.71.91.71.2
insignificant damage..41.57.753.95.848.24.6
slightly damaged66.727.341.57.729.85.334.84.4
moderately damaged33.327.314.65.58.23.211.12.9
highly damaged..2.42.45.42.74.31.9
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
Central Plateaun/a..2.31.63.11.52.71.1
insignificant damage16.715.247.85.457.54.452.63.4
slightly damaged50.020.439.45.326.33.932.03.1
moderately damaged16.715.24.62.310.02.68.11.8
highly damaged16.715.25.82.52.31.34.11.3
extemely damaged........
dead....0.80.80.50.5
total100.0.100.0.100.0.100.0.
Eastern Plateaun/a..0.80.82.71.21.90.8
insignificant damage42.918.760.54.565.83.563.32.7
slightly damaged14.313.223.53.924.63.124.02.4
moderately damaged14.313.210.92.93.21.36.41.4
highly damaged28.617.13.41.71.60.92.90.9
extemely damaged..0.80.81.10.81.00.6
dead....1.10.80.60.5
total100.0.100.0.100.0.100.0.
Western Pre-Alpsn/a....1.81.80.80.8
insignificant damage14.313.339.16.449.16.742.24.5
slightly damaged14.313.335.66.334.66.433.94.3
moderately damaged28.617.113.54.59.03.912.33.0
highly damaged14.313.33.32.33.62.54.11.8
extemely damaged28.617.15.12.9..4.11.8
dead..3.42.41.81.82.51.4
total100.0.100.0.100.0.100.0.
Central Pre-Alpsn/a..0.80.80.80.80.70.5
insignificant damage12.56.833.94.254.54.541.23.0
slightly damaged45.810.242.54.434.74.339.33.0
moderately damaged20.88.316.53.35.02.011.82.0
highly damaged12.56.83.91.73.31.64.41.2
extemely damaged..1.61.10.80.81.10.6
dead8.35.70.80.80.80.81.50.7
total100.0.100.0.100.0.100.0.
Eastern Pre-Alpsn/a..1.11.12.81.61.91.0
insignificant damage30.014.539.85.257.44.848.53.5
slightly damaged30.014.537.55.230.64.433.53.3
moderately damaged20.012.715.93.93.71.89.72.1
highly damaged20.012.72.31.61.91.32.91.2
extemely damaged..1.11.11.91.31.50.8
dead..2.31.61.91.31.91.0
total100.0.100.0.100.0.100.0.
Northwestern Alpsn/a10.09.51.11.11.41.41.71.0
insignificant damage50.015.827.84.740.35.834.33.6
slightly damaged20.012.743.35.229.15.436.03.7
moderately damaged10.09.513.33.613.94.113.42.6
highly damaged10.09.57.82.87.03.07.62.0
extemely damaged..4.42.24.22.44.11.5
dead..2.21.64.22.42.91.3
total100.0.100.0.100.0.100.0.
Central Alpsn/a..8.54.7..3.82.2
insignificant damage..22.97.144.28.330.75.2
slightly damaged28.217.037.48.247.08.341.05.6
moderately damaged29.417.422.77.12.82.714.14.0
highly damaged42.418.75.73.93.02.97.73.1
extemely damaged..2.82.83.02.92.71.9
dead........
total100.0.100.0.100.0.100.0.
Northeastern Alpsn/a....8.94.93.41.9
insignificant damage12.511.717.05.558.88.532.65.0
slightly damaged50.017.748.97.311.85.534.85.1
moderately damaged..14.95.214.76.113.53.6
highly damaged37.517.210.64.5..9.03.0
extemely damaged..4.33.05.94.04.52.2
dead..4.33.0..2.31.6
total100.0.100.0.100.0.100.0.
Southwestern Alpsn/a2.42.40.80.81.41.01.30.6
insignificant damage22.06.533.84.145.24.237.42.7
slightly damaged19.56.231.64.034.03.931.12.6
moderately damaged31.77.320.33.513.22.818.62.2
highly damaged12.25.18.32.43.51.56.61.4
extemely damaged2.42.43.01.51.41.02.20.8
dead9.84.62.31.31.41.02.80.9
total100.0.100.0.100.0.100.0.
Southeastern Alpsn/a3.43.30.70.71.40.81.20.6
insignificant damage10.15.525.43.657.23.341.92.5
slightly damaged36.98.847.04.134.73.239.42.4
moderately damaged29.98.416.13.05.41.511.21.6
highly damaged13.46.29.42.41.40.85.31.1
extemely damaged..0.70.7..0.20.2
dead6.44.40.70.7..0.70.4
total100.0.100.0.100.0.100.0.
Southern Alpsn/a..1.40.82.81.21.90.7
insignificant damage7.55.124.73.046.63.733.32.3
slightly damaged41.29.537.03.433.03.535.52.4
moderately damaged29.48.821.72.913.22.518.41.9
highly damaged7.55.110.82.22.71.27.01.3
extemely damaged10.75.93.51.31.10.82.90.8
dead3.73.71.00.70.50.51.00.5
total100.0.100.0.100.0.100.0.
Switzerlandn/a1.60.91.40.32.20.41.80.2
insignificant damage19.32.935.51.353.81.244.20.9
slightly damaged32.43.437.91.331.71.134.30.8
moderately damaged24.43.116.01.07.90.612.20.6
highly damaged14.02.56.20.62.60.44.70.4
extemely damaged3.61.31.90.41.00.21.50.2
dead4.61.51.10.30.90.21.20.2
total100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137153/123527

NFI4b

forest area: stand stability · degree of damage of the stand · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
economic regiondegree of damage of the stand1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..0.7711.4502.241
insignificant damage1.84518.61353.5773.95
slightly damaged1.15819.61335.7956.47
moderately damaged0.41006.4238.62015.415
highly damaged..1.1582.1413.233
extemely damaged0.4100..0.7711.158
dead....0.7710.771
total3.63146.48102.84152.82
Eastern Juran/a..1.2571.6492.837
insignificant damage0.41008.71917.81226.98
slightly damaged..3.6329.01912.615
moderately damaged0.41003.6321.2575.126
highly damaged..0.41000.41000.870
extemely damaged........
dead........
total0.87017.41230.0748.22
Western Plateaun/a....0.8700.870
insignificant damage..7.02316.31423.310
slightly damaged0.8707.0239.02016.813
moderately damaged0.41002.5402.5405.426
highly damaged..0.41001.6492.144
extemely damaged........
dead........
total1.25716.91330.3848.43
Central Plateaun/a..0.6711.2501.940
insignificant damage0.310012.81423.11036.27
slightly damaged0.95710.51610.51622.010
moderately damaged0.31001.2504.0275.623
highly damaged0.31001.5440.9572.833
extemely damaged........
dead....0.31000.3100
total1.94026.7940.1668.72
Eastern Plateaun/a..0.41001.8442.141
insignificant damage1.15825.71044.0770.85
slightly damaged0.410010.01816.41426.810
moderately damaged0.41004.7272.1417.222
highly damaged0.7711.4501.1583.233
extemely damaged..0.41000.7711.158
dead....0.7710.771
total2.53742.5766.85111.92
Western Pre-Alpsn/a....0.41000.4100
insignificant damage0.41008.51910.01718.911
slightly damaged0.41007.8207.02115.213
moderately damaged0.7702.9351.8445.525
highly damaged0.41000.7710.7701.844
extemely damaged0.7701.157..1.944
dead..0.7700.41001.157
total2.63721.81020.41044.84
Central Pre-Alpsn/a..0.41000.41000.771
insignificant damage1.15815.41423.71140.28
slightly damaged3.93019.41215.11438.48
moderately damaged1.8447.5212.24011.517
highly damaged1.1581.8441.4504.328
extemely damaged..0.7710.41001.158
dead0.7710.41000.41001.450
total8.62045.5743.4797.52
Eastern Pre-Alpsn/a..0.41001.1581.450
insignificant damage1.15712.51622.11135.78
slightly damaged1.15711.81611.81624.610
moderately damaged0.7715.0261.4507.121
highly damaged0.7710.7710.7712.140
extemely damaged..0.41000.7711.157
dead..0.7710.7711.450
total3.63131.4838.6773.63
Northwestern Alpsn/a0.41000.41000.41001.157
insignificant damage1.8448.91910.41721.111
slightly damaged0.77113.9147.52122.111
moderately damaged0.41004.3283.6318.220
highly damaged0.41002.5371.8444.727
extemely damaged..1.4501.1582.537
dead..0.7711.1571.844
total3.63132.2825.81061.54
Central Alpsn/a..1.057..1.057
insignificant damage..2.8345.5238.318
slightly damaged0.7704.5275.82211.115
moderately damaged0.7712.7340.31003.829
highly damaged1.0570.7700.41002.140
extemely damaged..0.31000.41000.771
dead........
total2.43712.11412.41427.07
Northeastern Alpsn/a....1.1581.158
insignificant damage0.41002.9347.22110.416
slightly damaged1.4498.2191.44911.115
moderately damaged..2.5371.8444.328
highly damaged1.1571.844..2.934
extemely damaged..0.7700.7701.449
dead..0.771..0.771
total2.93416.81112.21531.96
Southwestern Alpsn/a0.31000.31000.7711.450
insignificant damage3.13315.41422.31140.98
slightly damaged2.73514.41516.81333.99
moderately damaged4.5279.3196.52220.212
highly damaged1.7443.8301.7447.221
extemely damaged0.31001.4500.7712.437
dead1.4501.0580.7713.133
total14.11545.6749.57109.13
Southeastern Alpsn/a0.41000.41001.1581.845
insignificant damage1.15813.31644.5858.96
slightly damaged3.93024.61127.01055.57
moderately damaged3.1338.4204.22915.814
highly damaged1.4504.9261.1587.421
extemely damaged..0.4100..0.4100
dead0.7710.4100..1.058
total10.51852.3777.95140.62
Southern Alpsn/a..1.0581.8452.835
insignificant damage0.77117.71330.01048.57
slightly damaged3.93026.61121.31251.87
moderately damaged2.83515.6148.52026.911
highly damaged0.7717.7211.84510.218
extemely damaged1.0582.5380.7714.229
dead0.41000.7710.41001.450
total9.51971.8564.46145.72
Switzerlandn/a1.1586.72313.61621.413
insignificant damage13.116170.34330.53513.82
slightly damaged21.913181.94194.54398.33
moderately damaged16.51476.7748.88142.05
highly damaged9.51929.51115.81554.88
extemely damaged2.4389.2206.12417.714
dead3.1335.4265.32613.816
total67.67479.62614.521161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137154/123528

NFI4b

forest area: stand stability · slope (20% classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
criticalto 20%18.211.638.911.55.82.8..7.85.33.53.48.42.0
21-40 %81.837.161.121.785.619.094.924.888.429.093.029.786.411.4
over 100%....8.63.45.13.53.93.83.53.45.21.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stableto 20%26.23.457.73.07.81.31.71.23.41.71.50.818.41.0
21-40 %72.710.842.36.286.17.592.514.890.715.287.511.176.74.2
over 100%1.20.8..6.11.15.82.15.92.211.02.24.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stableto 20%32.72.560.72.311.31.53.21.64.91.63.31.326.01.0
21-40 %67.36.639.34.187.17.492.914.293.511.489.912.172.43.4
over 100%....1.60.64.01.71.60.96.81.81.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%30.32.059.01.89.30.92.10.94.61.22.40.721.90.6
21-40 %69.35.741.03.586.55.193.09.592.18.988.98.075.02.6
over 100%0.40.3..4.20.64.91.33.41.08.71.43.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137155/123529

NFI4b

forest area: stand stability · slope (20% classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilityslope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalto 20%0.7712.5381.450..0.7710.41005.725
21-40 %3.22023.98521.111212.71638.12199.517158.467
over 100%....2.1410.7710.41000.41003.532
total4.0306.42324.71213.3159.11910.21867.67
less stableto 20%16.21455.9712.8160.7711.4501.15888.06
21-40 %45.09041.0121140.94038.07937.77764.461367.025
over 100%0.771..9.9192.4372.5378.12023.712
total62.0696.95163.6441.0741.6873.65478.72
stableto 20%41.8893.4517.7141.4503.2332.241159.64
21-40 %86.19660.564136.54640.18061.07659.561443.626
over 100%....2.5381.7441.1584.5289.819
total127.93153.83156.7443.2765.2566.16613.02
totalto 20%58.87151.7331.9102.1415.3253.631253.43
21-40 %134.459105.4101298.42790.749106.746133.439869.116
over 100%0.771..14.6154.8263.93013.01636.910
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137156/123530

NFI4b

forest area: stand stability · slope (20% classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantonslope (20% classes) %± %± %± %±
AGto 20%..43.57.351.35.748.44.5
21-40 %..56.515.148.79.751.69.1
over 100%........
total..100.0.100.0.100.0.
AIto 20%....8.98.86.26.1
21-40 %..80.059.391.144.687.737.3
over 100%..20.018.4..6.26.1
total..100.0.100.0.100.0.
ARto 20%..20.012.914.39.516.07.5
21-40 %100.0.80.050.285.725.684.028.8
over 100%........
total100.0.100.0.100.0.100.0.
BEto 20%28.09.023.02.927.62.825.62.0
21-40 %64.029.272.810.371.28.771.56.6
over 100%8.05.44.21.41.20.72.80.7
total100.0.100.0.100.0.100.0.
BL/BSto 20%..21.19.437.78.631.56.6
21-40 %..78.934.862.320.168.519.1
over 100%........
total..100.0.100.0.100.0.
FRto 20%60.022.029.76.243.76.737.84.6
21-40 %20.018.066.718.656.316.559.612.2
over 100%20.018.03.62.5..2.61.5
total100.0.100.0.100.0.100.0.
GEto 20%..100.0.100.0.100.0.
21-40 %........
over 100%........
total..100.0.100.0.100.0.
GLto 20%..4.34.35.95.84.53.1
21-40 %100.058.295.726.488.239.893.323.1
over 100%....5.95.82.22.2
total100.0.100.0.100.0.100.0.
GRto 20%6.14.24.41.55.61.45.21.0
21-40 %90.926.387.411.991.49.589.97.3
over 100%3.03.08.22.03.01.04.91.0
total100.0.100.0.100.0.100.0.
JUto 20%25.021.834.58.429.46.431.15.0
21-40 %75.046.965.521.170.619.168.914.2
over 100%........
total100.0.100.0.100.0.100.0.
LUto 20%9.18.723.45.935.25.928.24.0
21-40 %90.940.876.619.464.813.671.811.7
over 100%........
total100.0.100.0.100.0.100.0.
NEto 20%..36.79.335.46.235.85.2
21-40 %..59.624.164.614.463.113.0
over 100%..3.73.6..1.11.1
total..100.0.100.0.100.0.
NWto 20%....16.715.55.05.0
21-40 %100.0.76.944.383.354.880.036.6
over 100%..23.111.9..15.08.2
total100.0.100.0.100.0.100.0.
OWto 20%..8.05.521.88.713.74.9
21-40 %100.082.488.027.578.232.384.321.9
over 100%..4.04.0..2.02.0
total100.0.100.0.100.0.100.0.
SGto 20%..16.94.320.64.918.03.1
21-40 %100.057.875.317.377.918.177.312.4
over 100%..7.83.11.51.54.71.7
total100.0.100.0.100.0.100.0.
SHto 20%..44.416.746.29.844.48.4
21-40 %100.0.55.629.953.817.555.615.1
over 100%........
total100.0.100.0.100.0.100.0.
SOto 20%..22.67.528.86.326.24.8
21-40 %100.0.77.427.971.217.073.815.8
over 100%........
total100.0.100.0.100.0.100.0.
SZto 20%..9.15.07.94.47.73.0
21-40 %100.062.684.927.289.422.188.418.2
over 100%..6.14.22.72.63.92.2
total100.0.100.0.100.0.100.0.
TGto 20%..71.78.572.57.070.15.5
21-40 %100.0.28.38.527.510.929.98.1
over 100%........
total100.0.100.0.100.0.100.0.
TIto 20%4.24.10.60.64.41.82.40.9
21-40 %91.632.689.412.589.814.289.79.1
over 100%4.24.110.02.35.82.07.81.5
total100.0.100.0.100.0.100.0.
URto 20%..8.45.74.34.35.83.2
21-40 %67.419.183.725.195.732.686.921.0
over 100%32.619.17.95.4..7.33.6
total100.0.100.0.100.0.100.0.
VDto 20%..36.15.245.63.940.53.0
21-40 %90.938.362.715.254.49.458.78.1
over 100%9.18.71.21.2..0.80.5
total100.0.100.0.100.0.100.0.
VSto 20%..2.31.34.21.72.80.9
21-40 %95.124.092.514.191.713.292.59.0
over 100%4.93.45.31.94.21.74.71.2
total100.0.100.0.100.0.100.0.
ZGto 20%....44.417.128.612.5
21-40 %..100.036.855.630.671.426.2
over 100%........
total..100.0.100.0.100.0.
ZHto 20%16.715.351.07.055.75.352.44.2
21-40 %83.339.849.014.844.39.547.68.2
over 100%........
total100.0.100.0.100.0.100.0.
Switzerlandto 20%8.42.018.41.026.31.022.00.7
21-40 %86.411.476.74.272.23.474.92.6
over 100%5.21.64.90.61.60.33.20.3
total100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137157/123531

NFI4b

forest area: stand stability · slope (20% classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantonslope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGto 20%..8.02115.71323.710
21-40 %..10.515614.914325.4210
over 100%........
total..18.51230.6749.12
AIto 20%....0.31000.3100
21-40 %..1.32683.33054.6252
over 100%..0.3100..0.3100
total..1.6393.6225.212
ARto 20%..0.6690.6691.347
21-40 %0.31002.62943.8776.7226
over 100%........
total0.31003.2254.5188.05
BEto 20%2.43816.81424.31143.58
21-40 %5.520253.16762.782121.246
over 100%0.7713.1331.0584.826
total8.52072.9588.05169.52
BL/BSto 20%..1.6494.9266.521
21-40 %..6.12368.113314.2186
over 100%........
total..7.71913.01220.75
FRto 20%1.1576.0239.01816.112
21-40 %0.410013.416511.619425.4115
over 100%0.41000.771..1.158
total1.94420.21020.51042.63
GEto 20%..0.9652.2343.120
21-40 %........
over 100%........
total..0.9652.2343.120
GLto 20%..0.41000.41000.870
21-40 %1.92578.51295.721116.1147
over 100%....0.41000.4100
total1.9438.9166.52117.37
GRto 20%0.7712.8355.2258.720
21-40 %10.417955.86585.462151.639
over 100%0.31005.2252.8358.320
total11.41763.8693.44168.62
JUto 20%0.41004.3285.82410.516
21-40 %1.21708.112114.018923.3166
over 100%........
total1.64912.41519.9933.93
LUto 20%0.31003.8287.21911.314
21-40 %3.116912.318713.311328.7153
over 100%........
total3.52916.11120.5940.03
NEto 20%..3.2306.92010.115
21-40 %..5.227612.69717.8182
over 100%..0.3100..0.3100
total..8.71719.4928.24
NWto 20%....0.41000.4100
21-40 %0.41003.82481.92386.1186
over 100%..1.255..1.255
total0.41005.0192.3367.78
OWto 20%..0.7701.9432.636
21-40 %1.13008.21046.719816.0129
over 100%..0.4100..0.4100
total1.1579.3158.61619.04
SGto 20%..4.7275.1269.818
21-40 %1.825721.010819.112941.975
over 100%..2.2400.41002.537
total1.84427.8924.61054.24
SHto 20%..1.4484.3245.719
21-40 %0.41001.81265.0707.155
over 100%........
total0.41003.2299.31112.83
SOto 20%..2.6375.7248.319
21-40 %0.41009.116714.024323.5112
over 100%........
total0.410011.71519.7931.83
SZto 20%..1.1571.1572.240
21-40 %2.532710.116912.38625.095
over 100%..0.7700.41001.157
total2.53611.91413.81328.35
TGto 20%..6.3198.71514.98
21-40 %0.6702.5343.3836.466
over 100%........
total0.6708.71511.91121.33
TIto 20%0.41000.41002.2412.935
21-40 %7.819154.16643.871105.644
over 100%0.41006.0242.8359.219
total8.52060.5648.77117.72
URto 20%..0.7710.31001.058
21-40 %1.4507.01327.321315.6125
over 100%0.7700.770..1.349
total2.0408.4177.61718.09
VDto 20%..11.81728.31040.18
21-40 %3.818220.511733.812158.077
over 100%0.41000.4100..0.871
total4.23032.6962.1598.92
VSto 20%..1.0582.1413.133
21-40 %13.416142.27545.476100.947
over 100%0.7712.4372.1415.125
total14.11545.6749.57109.13
ZGto 20%....1.7441.744
21-40 %..2.11442.11214.377
over 100%........
total..2.1373.9216.06
ZHto 20%0.41009.21817.31226.88
21-40 %1.81288.811313.712424.374
over 100%........
total2.14018.01231.0751.12
Switzerlandto 20%5.62588.46161.44255.43
21-40 %58.067368.025443.826869.916
over 100%3.53223.6129.81936.810
total67.27480.02615.021162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137158/123532

NFI4b

forest area: stand stability · slope (20% classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilityslope (20% classes) %± %± %± %± %± %±
criticalto 20%16.710.843.812.49.84.62.11.53.73.78.42.0
21-40 %83.334.956.322.480.523.792.715.892.530.086.411.4
over 100%....9.84.65.22.33.73.75.21.6
total100.0.100.0.100.0.100.0.100.0.100.0.
less stableto 20%27.63.461.03.112.02.03.30.81.00.718.41.0
21-40 %71.310.639.06.183.29.590.37.687.711.276.74.2
over 100%1.10.8..4.71.36.41.111.32.24.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.
stableto 20%34.62.563.12.414.82.15.71.03.31.326.11.0
21-40 %65.46.536.94.284.98.891.57.089.712.272.33.4
over 100%....0.40.42.80.77.01.91.60.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%32.02.061.81.913.21.44.30.62.20.721.90.6
21-40 %67.65.638.23.583.86.391.15.088.98.074.92.6
over 100%0.40.3..3.00.74.50.68.91.43.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137159/123533

NFI4b

forest area: stand stability · slope (20% classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilityslope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalto 20%0.7712.5381.4500.7710.41005.725
21-40 %3.71983.29411.916430.91048.718758.367
over 100%....1.4501.7450.41003.532
total4.4295.62514.81533.3109.51967.57
less stableto 20%17.51452.7711.9175.2260.77188.06
21-40 %45.39033.717082.255142.14163.062366.325
over 100%0.771..4.72810.0188.12023.512
total63.5686.4598.75157.4471.85477.92
stableto 20%46.0886.5515.11510.0182.141159.84
21-40 %86.99650.67686.967161.24157.862443.326
over 100%....0.41004.9274.5279.719
total132.93137.13102.35176.1364.46612.82
totalto 20%64.26141.6328.51116.0143.233253.53
21-40 %135.86087.5148180.938334.225129.640868.016
over 100%0.771..6.52316.61412.91636.810
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137160/123534
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