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NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantonforest management intensity (NFI1 model) %± %± %± %±
AGmanaged..75.66.393.42.586.82.9
infrequently managed..15.65.45.32.69.12.6
not managed..8.94.31.31.34.11.8
total..100.0.100.0.100.0.
AImanaged..60.022.480.012.873.311.5
infrequently managed..20.018.420.013.020.010.6
not managed..20.018.4..6.76.6
total..100.0.100.0.100.0.
ARmanaged..70.014.857.113.360.010.0
infrequently managed100.0.30.014.835.713.036.09.7
not managed....7.17.04.04.0
total100.0.100.0.100.0.100.0.
BEmanaged78.38.671.33.280.32.576.42.0
infrequently managed21.78.617.82.711.72.014.81.6
not managed..10.92.28.01.78.81.3
total100.0.100.0.100.0.100.0.
BL/BSmanaged..77.89.772.98.274.86.2
infrequently managed..11.17.520.27.516.75.4
not managed..11.17.56.94.88.54.1
total..100.0.100.0.100.0.
FRmanaged40.022.077.35.873.16.273.64.2
infrequently managed40.022.015.14.917.35.317.33.6
not managed20.018.07.63.69.64.19.12.8
total100.0.100.0.100.0.100.0.
GEmanaged..50.038.072.123.962.922.3
infrequently managed..50.038.027.924.037.122.3
not managed........
total..100.0.100.0.100.0.
GLmanaged75.021.863.610.373.311.568.37.3
infrequently managed..18.28.320.010.417.15.9
not managed25.021.818.28.36.76.514.65.6
total100.0.100.0.100.0.100.0.
GRmanaged59.811.047.84.060.23.255.42.5
infrequently managed15.18.018.33.115.72.416.71.8
not managed25.19.733.93.824.12.827.92.2
total100.0.100.0.100.0.100.0.
JUmanaged75.021.775.27.668.66.571.34.9
infrequently managed25.021.812.55.927.56.321.94.4
not managed..12.25.83.92.76.82.7
total100.0.100.0.100.0.100.0.
LUmanaged81.811.678.05.977.95.278.33.7
infrequently managed18.211.722.05.920.55.120.93.7
not managed....1.61.50.80.8
total100.0.100.0.100.0.100.0.
NEmanaged..96.33.692.73.393.92.7
infrequently managed....3.82.72.61.8
not managed..3.73.63.42.43.52.0
total..100.0.100.0.100.0.
NWmanaged..58.314.480.018.164.711.7
infrequently managed..16.711.0..11.88.0
not managed..25.012.820.018.323.510.5
total..100.0.100.0.100.0.
OWmanaged66.727.552.010.082.58.066.66.7
infrequently managed..8.05.58.75.97.93.8
not managed33.327.540.09.88.76.025.56.2
total100.0.100.0.100.0.100.0.
SGmanaged80.017.971.05.563.56.167.94.0
infrequently managed..16.04.420.65.117.53.3
not managed20.017.913.14.115.94.614.63.0
total100.0.100.0.100.0.100.0.
SHmanaged..66.715.857.79.758.38.2
infrequently managed100.0.22.214.042.39.738.98.2
not managed..11.110.6..2.82.8
total100.0.100.0.100.0.100.0.
SOmanaged..77.47.574.56.174.74.8
infrequently managed..6.54.421.65.815.74.0
not managed100.0.16.16.63.92.79.63.3
total100.0.100.0.100.0.100.0.
SZmanaged66.719.356.38.866.78.362.05.8
infrequently managed33.319.315.66.521.27.219.74.7
not managed..28.18.012.15.718.34.6
total100.0.100.0.100.0.100.0.
TGmanaged100.0.84.96.967.57.375.45.1
infrequently managed..15.17.032.57.424.65.2
not managed........
total100.0.100.0.100.0.100.0.
TImanaged5.65.519.63.322.64.119.82.4
infrequently managed22.49.917.63.111.63.215.62.2
not managed72.010.662.84.065.84.764.62.9
total100.0.100.0.100.0.100.0.
URmanaged38.921.855.511.865.010.757.97.6
infrequently managed22.219.217.29.020.09.019.16.1
not managed38.921.827.410.515.08.023.06.4
total100.0.100.0.100.0.100.0.
VDmanaged45.515.068.35.175.23.571.62.9
infrequently managed27.313.418.34.318.33.118.72.5
not managed27.313.413.43.86.52.09.71.9
total100.0.100.0.100.0.100.0.
VSmanaged34.48.448.24.755.14.449.83.0
infrequently managed12.55.99.62.88.72.59.51.8
not managed53.18.842.14.636.24.340.63.0
total100.0.100.0.100.0.100.0.
ZGmanaged..100.0.100.0.100.0.
infrequently managed........
not managed........
total..100.0.100.0.100.0.
ZHmanaged83.315.276.06.178.24.477.63.5
infrequently managed..22.05.920.74.420.33.4
not managed16.715.32.02.01.11.12.11.2
total100.0.100.0.100.0.100.0.
Switzerlandmanaged52.24.060.61.469.31.164.80.8
infrequently managed18.53.116.01.015.90.916.10.7
not managed29.33.623.31.214.80.919.10.7
total100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137189/123563

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantonforest management intensity (NFI1 model)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGmanaged..13.71528.6842.34
infrequently managed..2.8371.6494.429
not managed..1.6490.41002.044
total..18.11230.6748.72
AImanaged..1.0542.6273.519
infrequently managed..0.31000.6691.054
not managed..0.3100..0.3100
total..1.6393.2224.811
ARmanaged..2.2332.6304.817
infrequently managed0.31001.0551.6412.927
not managed....0.31000.3100
total0.31003.2254.5188.05
BEmanaged6.22349.3768.56123.93
infrequently managed1.74512.31610.01824.011
not managed..7.5216.82214.415
total7.92069.1685.35162.32
BL/BSmanaged..5.7238.61714.310
infrequently managed..0.8702.4403.234
not managed..0.8700.8701.649
total..7.31911.71319.16
FRmanaged0.77015.31314.21430.37
infrequently managed0.7703.0343.4327.121
not managed0.41001.5491.9443.730
total1.94419.81019.41141.13
GEmanaged..0.51000.9651.448
infrequently managed..0.51000.41000.871
not managed........
total..0.9651.3542.234
GLmanaged1.2575.4234.22710.813
infrequently managed..1.5491.2572.736
not managed0.41001.5490.41002.339
total1.5498.5175.82215.88
GRmanaged4.22926.51148.1778.85
infrequently managed1.05810.11812.61623.711
not managed1.74518.81319.21339.88
total6.92255.5779.95142.33
JUmanaged1.2579.41813.61324.27
infrequently managed0.41001.6495.5257.420
not managed..1.5500.8702.340
total1.64912.41519.9933.93
LUmanaged2.83212.21415.81230.86
infrequently managed0.6703.5294.1278.218
not managed....0.31000.3100
total3.52915.71120.2939.33
NEmanaged..8.41717.3925.75
infrequently managed....0.7710.771
not managed..0.31000.6701.057
total..8.71718.7827.44
NWmanaged..2.7321.5464.222
infrequently managed..0.869..0.869
not managed..1.2550.41001.546
total..4.6201.9406.513
OWmanaged0.7704.9247.11912.711
infrequently managed..0.7700.7701.549
not managed0.41003.7290.7704.924
total1.1579.3158.61619.04
SGmanaged1.45017.71214.51433.67
infrequently managed..4.0294.7278.719
not managed0.41003.3333.6317.221
total1.84424.91022.81049.54
SHmanaged..2.1385.3207.514
infrequently managed0.41000.7703.9265.021
not managed..0.4100..0.4100
total0.41003.2299.31112.83
SOmanaged..9.11814.41223.57
infrequently managed..0.8704.2284.926
not managed0.41001.9440.8703.034
total0.410011.71519.3931.44
SZmanaged1.4496.5218.01815.911
infrequently managed0.7701.8442.5365.125
not managed..3.3321.4494.726
total2.24011.61411.91425.75
TGmanaged0.6707.2178.11515.87
infrequently managed..1.3503.9255.222
not managed........
total0.6708.41511.91121.04
TImanaged0.410010.4188.22019.013
infrequently managed1.4509.3194.22915.015
not managed4.62733.3924.01161.96
total6.42353.0736.5995.94
URmanaged0.7703.3304.3258.317
infrequently managed0.41001.0581.3492.735
not managed0.7701.7441.0573.330
total1.7446.0216.61914.311
VDmanaged1.94421.31243.6766.75
infrequently managed1.1585.72510.61817.414
not managed1.1584.2303.8319.120
total4.23031.1957.9693.23
VSmanaged3.83018.91324.11146.77
infrequently managed1.4503.8303.8308.919
not managed5.82416.51415.81438.18
total11.01739.1843.6793.73
ZGmanaged..1.7443.9215.69
infrequently managed........
not managed........
total..1.7443.9215.69
ZHmanaged1.84413.41424.0939.15
infrequently managed..3.9296.32210.217
not managed0.41000.41000.41001.157
total2.14017.61230.7750.42
Switzerlandmanaged28.911268.73391.72689.31
infrequently managed10.21971.1790.26171.54
not managed16.215103.5583.56203.24
total55.38443.32565.421064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137190/123564

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · 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
stand stabilityforest management intensity (NFI1 model) %± %± %± %± %± %±
criticalmanaged58.314.281.39.866.77.549.35.910.16.852.74.0
infrequently managed33.313.66.36.123.16.714.14.125.29.718.53.1
not managed8.38.012.58.310.34.936.65.764.710.728.83.6
total100.0.100.0.100.0.100.0.100.0.100.0.
less stablemanaged76.63.282.22.567.72.954.42.518.82.960.71.3
infrequently managed14.02.713.22.219.02.416.51.916.52.816.11.0
not managed9.42.24.51.313.32.129.12.364.73.623.21.2
total100.0.100.0.100.0.100.0.100.0.100.0.
stablemanaged74.82.381.12.077.42.662.12.329.13.869.21.1
infrequently managed19.32.116.91.916.22.313.31.613.42.916.00.9
not managed6.01.32.10.76.41.524.62.057.54.214.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totalmanaged75.01.981.51.572.21.957.71.622.62.364.80.8
infrequently managed17.91.715.21.418.01.614.81.215.72.016.20.7
not managed7.11.13.30.79.91.327.51.561.72.719.00.7
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 #137191/123565

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · 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
stand stabilityforest management intensity (NFI1 model)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalmanaged2.6384.6279.41912.1170.77129.311
infrequently managed1.5500.41003.2333.5321.84510.318
not managed0.41000.7711.4509.0194.62716.015
total4.4295.62514.11624.6127.02255.78
less stablemanaged47.8869.9664.2674.4611.717267.93
infrequently managed8.82011.31718.01422.51210.31870.87
not managed5.8253.93012.61639.9940.38102.55
total62.4685.0594.85136.7462.36441.32
stablemanaged96.45110.0474.2695.1514.515390.32
infrequently managed24.81122.91215.51520.4136.72390.36
not managed7.7212.8356.12437.7928.71083.16
total128.93135.7395.95153.3450.07563.72
totalmanaged146.83184.52147.83181.6326.911687.51
infrequently managed35.0934.5936.8946.4818.713171.44
not managed13.9167.42220.21386.6673.65201.64
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137192/123566

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · 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
stand stabilityforest management intensity (NFI1 model) %± %± %± %± %± %± %±
criticalmanaged71.48.565.87.763.510.334.48.460.911.510.16.852.74.0
infrequently managed17.97.223.76.918.48.312.55.911.27.525.29.718.53.1
not managed10.75.810.55.018.18.253.18.827.910.664.710.728.83.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stablemanaged79.92.064.83.063.83.948.24.755.04.418.82.960.71.3
infrequently managed13.61.719.92.517.33.19.62.819.93.516.52.816.11.0
not managed6.51.215.32.218.93.242.14.625.13.864.73.623.21.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablemanaged78.11.578.62.768.13.755.14.463.13.529.13.869.31.1
infrequently managed18.01.412.72.220.33.28.72.515.32.613.42.916.00.9
not managed3.90.78.71.911.62.536.24.321.63.057.54.214.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalmanaged78.61.270.82.065.82.649.83.059.92.722.62.364.80.8
infrequently managed16.41.117.01.618.82.19.51.816.82.015.72.016.20.7
not managed5.00.612.11.415.42.040.63.023.32.361.72.719.00.7
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 #137193/123567

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · 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
stand stabilityforest management intensity (NFI1 model)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalmanaged7.2229.0204.8263.8303.8300.77129.311
infrequently managed1.8453.2331.4501.4500.7711.84510.319
not managed1.1581.4501.4505.8241.8454.62716.015
total10.01913.7167.62111.0176.3237.02255.68
less stablemanaged118.0560.9733.7918.91325.31111.717268.53
infrequently managed20.01318.8139.1193.8309.11910.31871.17
not managed9.71914.41510.01816.51411.51740.38102.45
total147.7494.1552.8739.1846.0762.36442.02
stablemanaged206.4364.9638.3824.11142.1814.515390.32
infrequently managed47.6810.51811.4173.83010.2186.72390.16
not managed10.4187.2226.62215.81414.41528.71083.16
total264.3282.6556.3643.6766.8650.07563.52
totalmanaged331.62134.9376.8546.7771.3526.911688.11
infrequently managed69.4732.51021.9128.91920.01218.713171.54
not managed21.11323.11217.91338.1827.71073.65201.54
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137194/123568

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
economic regionforest management intensity (NFI1 model) %± %± %± %±
Western Juramanaged70.014.578.93.676.32.577.02.1
infrequently managed30.014.512.52.917.62.316.31.8
not managed..8.62.56.11.46.71.2
total100.0.100.0.100.0.100.0.
Eastern Juramanaged..69.86.969.15.368.24.2
infrequently managed50.035.518.66.025.55.123.43.9
not managed50.035.511.64.95.42.68.42.6
total100.0.100.0.100.0.100.0.
Western Plateaumanaged33.327.377.56.676.65.075.84.0
infrequently managed33.327.312.55.217.84.516.43.4
not managed33.327.310.04.85.62.77.92.5
total100.0.100.0.100.0.100.0.
Central Plateaumanaged100.0.88.43.583.63.385.92.3
infrequently managed..8.12.914.13.111.42.1
not managed..3.52.02.31.32.71.1
total100.0.100.0.100.0.100.0.
Eastern Plateaumanaged85.713.279.33.881.12.980.52.3
infrequently managed..17.33.518.42.917.52.2
not managed14.313.23.41.70.50.51.90.8
total100.0.100.0.100.0.100.0.
Western Pre-Alpsmanaged57.118.867.86.375.06.370.24.4
infrequently managed14.313.323.35.718.85.720.83.9
not managed28.617.19.03.86.33.59.02.7
total100.0.100.0.100.0.100.0.
Central Pre-Alpsmanaged73.99.167.74.282.03.674.62.7
infrequently managed21.78.618.53.512.03.015.92.3
not managed4.34.313.73.16.02.29.51.8
total100.0.100.0.100.0.100.0.
Eastern Pre-Alpsmanaged55.616.667.55.273.34.469.93.3
infrequently managed33.315.716.94.119.84.019.22.8
not managed11.110.515.74.06.92.510.92.2
total100.0.100.0.100.0.100.0.
Northwestern Alpsmanaged50.017.758.05.575.05.464.73.9
infrequently managed37.517.219.74.49.43.716.33.0
not managed12.511.722.24.615.64.619.03.2
total100.0.100.0.100.0.100.0.
Central Alpsmanaged49.320.544.59.664.58.654.66.3
infrequently managed17.816.022.48.116.16.618.94.9
not managed32.919.233.19.119.47.126.55.5
total100.0.100.0.100.0.100.0.
Northeastern Alpsmanaged85.713.269.17.254.89.065.05.4
infrequently managed..14.35.425.87.917.54.3
not managed14.313.316.75.819.37.117.54.3
total100.0.100.0.100.0.100.0.
Southwestern Alpsmanaged34.48.448.24.755.14.449.83.0
infrequently managed12.55.99.62.88.72.59.51.8
not managed53.18.842.14.636.24.340.63.0
total100.0.100.0.100.0.100.0.
Southeastern Alpsmanaged60.911.555.04.463.13.559.92.7
infrequently managed11.27.519.93.515.32.616.82.0
not managed27.910.625.13.821.63.023.32.3
total100.0.100.0.100.0.100.0.
Southern Alpsmanaged10.16.818.82.929.13.822.62.3
infrequently managed25.29.716.52.813.42.915.72.0
not managed64.710.764.73.657.54.261.72.7
total100.0.100.0.100.0.100.0.
Switzerlandmanaged52.44.060.61.369.21.164.70.8
infrequently managed18.73.116.11.016.10.916.20.7
not managed29.03.623.21.214.80.919.00.7
total100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137195/123569

NFI4b

forest area: stand stability · forest management intensity (NFI1 model) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
economic regionforest management intensity (NFI1 model)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juramanaged2.53836.1976.05114.63
infrequently managed1.1585.72517.51424.311
not managed..3.9306.12410.018
total3.63145.7899.64148.92
Eastern Juramanaged..11.91620.21132.07
infrequently managed0.41003.2347.52111.017
not managed0.41002.0441.6494.030
total0.87017.01229.2847.03
Western Plateaumanaged0.410012.81622.51035.76
infrequently managed0.41002.1445.2277.722
not managed0.41001.6491.6493.732
total1.25716.51329.4847.24
Central Plateaumanaged1.94023.61033.5759.03
infrequently managed..2.2375.6237.819
not managed..0.9570.9571.940
total1.94026.7940.1668.72
Eastern Plateaumanaged2.14132.9953.6688.63
infrequently managed..7.22212.21619.313
not managed0.41001.4500.41002.141
total2.53741.5866.15110.12
Western Pre-Alpsmanaged1.54914.01413.31428.88
infrequently managed0.41004.8263.3328.519
not managed0.7701.9441.1573.730
total2.63720.71017.81241.14
Central Pre-Alpsmanaged6.12430.1934.4970.64
infrequently managed1.8448.2205.02615.114
not managed0.41006.1242.5379.019
total8.22044.5742.0794.72
Eastern Pre-Alpsmanaged1.84420.01226.41048.26
infrequently managed1.1575.0267.12113.215
not managed0.41004.6272.5377.521
total3.23329.6936.1768.93
Northwestern Alpsmanaged1.45016.81317.21335.47
infrequently managed1.1575.7242.2408.919
not managed0.41006.4233.63110.417
total2.93528.9922.91154.74
Central Alpsmanaged1.0574.2286.92012.114
infrequently managed0.41002.1401.7444.228
not managed0.7703.1322.1405.822
total2.1409.31710.71522.18
Northeastern Alpsmanaged2.14010.4166.12218.610
infrequently managed..2.1402.9355.025
not managed0.41002.5372.1405.025
total2.53715.01311.11628.76
Southwestern Alpsmanaged3.83018.91324.11146.77
infrequently managed1.4503.8303.8308.919
not managed5.82416.51415.81438.18
total11.01739.1843.6793.73
Southeastern Alpsmanaged3.83025.31142.1871.35
infrequently managed0.7719.11910.21820.012
not managed1.84511.51714.41527.710
total6.32346.0766.86119.03
Southern Alpsmanaged0.77111.71714.51526.911
infrequently managed1.84510.3186.72318.713
not managed4.62740.3828.71073.65
total7.02262.3650.07119.33
Switzerlandmanaged29.211268.53390.92688.71
infrequently managed10.41971.5790.96172.84
not managed16.215102.9583.46202.54
total55.88442.92565.321063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137196/123570

NFI4b

forest area: stand stability · degree of damage of the stand · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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......3.33.3....0.60.6
insignificant damage45.515.033.311.114.54.516.76.811.87.910.16.818.43.1
slightly damaged27.313.433.311.135.46.123.37.735.511.650.411.234.33.8
moderately damaged18.211.616.78.820.95.236.78.835.511.624.49.525.13.4
highly damaged..16.78.822.55.310.05.511.87.910.16.815.22.9
extemely damaged9.18.7..3.22.23.33.3..5.04.93.21.4
dead....3.52.46.74.65.35.2..3.21.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stablen/a3.01.30.70.50.90.51.01.01.01.00.60.61.10.3
insignificant damage39.63.854.33.030.42.231.74.626.74.424.53.235.81.3
slightly damaged39.03.832.32.941.42.433.74.645.65.037.83.638.31.4
moderately damaged15.42.89.31.814.91.723.14.116.93.721.73.115.51.0
highly damaged3.01.33.01.07.11.27.72.67.92.712.12.46.50.7
extemely damaged..0.40.43.10.81.01.01.01.02.81.21.70.4
dead....2.20.71.91.31.01.00.60.61.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablen/a2.00.82.80.81.50.61.81.31.30.91.41.02.00.3
insignificant damage52.72.761.32.349.82.546.94.757.14.045.14.253.61.2
slightly damaged34.52.626.22.134.72.432.74.435.93.834.14.032.31.2
moderately damaged7.81.45.81.18.01.414.23.33.81.514.62.98.00.7
highly damaged1.70.72.80.82.50.82.61.51.91.12.81.42.40.4
extemely damaged0.60.40.50.31.80.71.81.2..1.41.00.90.2
dead0.60.40.70.41.70.7....0.70.70.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.30.71.90.51.10.41.60.81.10.60.90.51.50.2
insignificant damage48.42.257.91.838.01.636.93.143.13.032.32.544.30.9
slightly damaged35.82.128.71.738.01.631.93.039.43.037.02.634.90.9
moderately damaged10.51.37.41.012.21.120.62.610.61.918.92.112.00.6
highly damaged2.10.63.20.76.10.85.71.54.71.38.11.54.80.4
extemely damaged0.60.30.40.22.50.51.60.80.40.42.30.81.40.2
dead0.40.30.40.22.10.51.60.80.70.50.60.41.10.2
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 #137197/123571

NFI4b

forest area: stand stability · degree of damage of the stand · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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......0.3100....0.3100
insignificant damage1.8452.1413.2331.7440.7710.77110.219
slightly damaged1.1582.1417.8212.4372.1413.63119.113
moderately damaged0.7711.1584.6283.8302.1411.74514.016
highly damaged..1.1585.0271.0580.7710.7718.520
extemely damaged0.4100..0.7710.3100..0.41001.845
dead....0.8710.7710.3100..1.845
total4.0306.42322.01210.3176.0247.12255.78
less stablen/a1.8450.7711.4500.31000.41000.41005.027
insignificant damage24.11251.6745.8811.3179.51915.714158.04
slightly damaged23.81230.81062.4712.01616.21424.211169.44
moderately damaged9.4198.82022.4128.2206.02413.91568.77
highly damaged1.8452.83510.6182.7352.8357.82128.611
extemely damaged..0.41004.6280.31000.41001.8457.422
dead....3.4330.7710.41000.41004.828
total60.9795.15150.6435.6835.6964.16441.92
stablen/a2.5384.2292.1410.7710.7710.77111.018
insignificant damage65.5693.4570.6618.21331.4923.112302.33
slightly damaged42.9840.0949.3812.71619.81217.514182.04
moderately damaged9.7198.82011.4175.5252.1417.52145.09
highly damaged2.2414.2293.6321.0581.1581.45013.516
extemely damaged0.7710.7712.5380.771..0.7715.326
dead0.7711.1582.538....0.41004.628
total124.33152.43141.9438.8855.1651.37563.82
totaln/a4.3294.9273.6321.4501.1581.15816.415
insignificant damage91.55147.13119.5531.2941.7839.58470.52
slightly damaged67.7672.86119.5527.01038.1845.38370.53
moderately damaged19.81318.71338.4917.51310.21823.112127.75
highly damaged4.0308.12119.2134.8264.6279.91850.58
extemely damaged1.1581.1587.8211.4500.41002.83514.516
dead0.7711.1586.6231.4500.7710.77111.218
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137198/123572

NFI4b

forest area: stand stability · degree of damage of the stand · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantondegree of damage of the stand %± %± %± %±
AGn/a..6.73.75.32.65.82.1
insignificant damage..51.17.457.95.655.44.5
slightly damaged..22.26.223.74.923.13.8
moderately damaged..15.65.47.93.110.72.8
highly damaged..4.43.12.61.83.31.6
extemely damaged....1.31.30.80.8
dead....1.31.30.80.8
total..100.0.100.0.100.0.
AIn/a........
insignificant damage..40.022.590.09.873.311.8
slightly damaged..60.022.4..20.010.6
moderately damaged........
highly damaged........
extemely damaged........
dead....10.09.86.76.6
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/a..1.00.71.20.71.10.5
insignificant damage30.49.636.73.450.23.243.52.3
slightly damaged39.110.241.13.532.13.036.32.2
moderately damaged21.78.611.42.29.61.911.01.4
highly damaged4.34.36.41.73.61.24.81.0
extemely damaged..2.01.01.20.71.50.6
dead4.34.31.50.92.00.91.90.6
total100.0.100.0.100.0.100.0.
BL/BSn/a........
insignificant damage..44.411.848.69.347.07.3
slightly damaged..22.29.941.09.233.87.0
moderately damaged..33.311.23.53.415.05.3
highly damaged....3.53.42.12.1
extemely damaged........
dead....3.53.42.12.1
total..100.0.100.0.100.0.
FRn/a........
insignificant damage..45.36.857.76.849.14.8
slightly damaged20.018.030.26.328.96.329.14.4
moderately damaged40.022.011.34.45.73.210.02.9
highly damaged..3.72.67.73.75.42.2
extemely damaged40.022.05.73.2..4.52.0
dead..3.82.6..1.81.3
total100.0.100.0.100.0.100.0.
GEn/a........
insignificant damage..50.038.0..21.019.9
slightly damaged..50.038.0100.0.79.019.9
moderately damaged........
highly damaged........
extemely damaged........
dead........
total..100.0.100.0.100.0.
GLn/a....6.76.52.42.4
insignificant damage..27.39.653.313.034.17.5
slightly damaged50.025.245.510.76.76.531.77.3
moderately damaged..9.16.226.711.514.65.6
highly damaged50.025.29.16.2..9.84.7
extemely damaged..9.16.26.76.57.34.1
dead........
total100.0.100.0.100.0.100.0.
GRn/a..0.60.61.70.91.20.5
insignificant damage15.18.025.73.553.73.340.92.4
slightly damaged40.211.045.94.034.93.239.52.4
moderately damaged30.210.316.42.97.01.711.81.6
highly damaged10.16.710.12.42.21.05.61.1
extemely damaged..0.60.60.40.40.50.3
dead4.54.40.60.6..0.50.3
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..2.02.01.61.51.61.1
insignificant damage9.18.734.06.748.46.339.24.4
slightly damaged36.414.544.07.039.16.140.84.4
moderately damaged18.211.714.04.99.33.612.02.9
highly damaged27.313.54.02.81.61.54.81.9
extemely damaged..2.02.0..0.80.8
dead9.18.7....0.80.8
total100.0.100.0.100.0.100.0.
NEn/a..4.54.41.71.72.61.8
insignificant damage..47.79.656.76.553.85.4
slightly damaged..40.49.536.56.437.75.3
moderately damaged..7.35.01.71.73.52.0
highly damaged....3.42.42.31.6
extemely damaged........
dead........
total..100.0.100.0.100.0.
NWn/a........
insignificant damage..33.313.940.022.435.311.8
slightly damaged..33.313.960.022.341.212.2
moderately damaged..25.012.8..17.69.4
highly damaged..8.38.2..5.95.8
extemely damaged........
dead........
total..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....4.72.62.21.2
insignificant damage..27.65.455.66.339.44.2
slightly damaged60.022.044.96.031.85.939.44.2
moderately damaged20.017.915.94.44.82.710.92.7
highly damaged20.017.95.82.8..3.71.6
extemely damaged..1.51.41.61.61.51.0
dead..4.32.41.61.62.91.4
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....3.92.72.41.7
insignificant damage..35.58.652.97.045.85.5
slightly damaged..29.08.231.46.530.15.0
moderately damaged100.0.29.08.25.93.315.74.0
highly damaged..6.54.43.92.74.82.4
extemely damaged........
dead....2.02.01.21.2
total100.0.100.0.100.0.100.0.
SZn/a....3.03.01.41.4
insignificant damage33.319.343.88.854.58.747.96.0
slightly damaged16.715.334.48.439.48.535.25.7
moderately damaged16.715.312.55.9..7.03.1
highly damaged33.319.36.24.33.03.07.03.1
extemely damaged..3.13.1..1.41.4
dead........
total100.0.100.0.100.0.100.0.
TGn/a....5.03.52.82.0
insignificant damage50.035.678.87.870.07.273.05.3
slightly damaged..14.16.622.56.618.54.7
moderately damaged..3.53.52.52.52.82.0
highly damaged50.035.63.53.5..2.82.0
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
TIn/a..0.70.7..0.40.4
insignificant damage5.65.523.03.546.04.930.62.8
slightly damaged50.411.837.24.036.34.837.83.0
moderately damaged27.110.423.03.513.73.419.72.4
highly damaged11.27.512.12.72.01.48.21.7
extemely damaged5.65.53.41.51.01.02.61.0
dead..0.70.71.01.00.80.5
total100.0.100.0.100.0.100.0.
URn/a..5.55.4..2.32.3
insignificant damage..21.99.835.010.725.36.7
slightly damaged19.517.645.311.860.011.049.07.7
moderately damaged41.622.327.410.55.04.918.76.0
highly damaged38.921.8....4.63.2
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
VDn/a....1.30.90.80.6
insignificant damage36.414.540.15.457.64.050.83.2
slightly damaged27.313.445.25.530.13.735.03.0
moderately damaged9.18.712.23.68.42.29.71.9
highly damaged18.211.62.41.71.91.12.81.1
extemely damaged9.18.7..0.70.70.80.6
dead........
total100.0.100.0.100.0.100.0.
VSn/a3.13.10.90.91.61.11.50.7
insignificant damage15.66.433.34.446.54.437.42.9
slightly damaged21.97.331.64.434.64.231.82.8
moderately damaged37.58.621.13.813.43.019.42.4
highly damaged12.55.99.62.82.41.36.61.5
extemely damaged3.13.11.81.21.61.11.80.8
dead6.34.31.81.2..1.50.7
total100.0.100.0.100.0.100.0.
ZGn/a........
insignificant damage..25.022.455.617.146.214.3
slightly damaged..50.025.822.214.430.813.3
moderately damaged....11.110.87.77.7
highly damaged........
extemely damaged....11.110.87.77.7
dead..25.022.4..7.77.7
total..100.0.100.0.100.0.
ZHn/a..2.02.01.11.11.41.0
insignificant damage33.319.356.07.065.55.160.84.1
slightly damaged33.319.326.06.228.74.928.03.8
moderately damaged16.715.314.04.91.11.16.32.0
highly damaged16.715.32.02.01.11.12.11.2
extemely damaged....1.11.10.70.7
dead....1.11.10.70.7
total100.0.100.0.100.0.100.0.
Switzerlandn/a0.60.61.10.32.00.41.60.2
insignificant damage18.43.135.71.453.61.244.30.9
slightly damaged34.43.838.31.432.21.234.90.9
moderately damaged25.23.515.61.08.00.712.10.6
highly damaged15.02.86.50.72.40.44.70.4
extemely damaged3.31.51.70.41.00.21.40.2
dead3.01.31.10.30.80.21.00.2
total100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137199/123573

NFI4b

forest area: stand stability · degree of damage of the stand · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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..9.31917.71227.08
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..18.11230.6748.72
AIn/a........
insignificant damage..0.6692.9243.519
slightly damaged..1.054..1.054
moderately damaged........
highly damaged........
extemely damaged........
dead....0.31000.3100
total..1.6393.2224.811
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/a..0.7711.0581.745
insignificant damage2.43825.31142.8870.66
slightly damaged3.13328.41027.41058.86
moderately damaged1.7457.9208.22017.813
highly damaged0.31004.4273.1337.920
extemely damaged..1.4501.0582.438
dead0.31001.0581.7453.133
total7.92069.1685.35162.32
BL/BSn/a........
insignificant damage..3.3335.7239.017
slightly damaged..1.6494.8266.422
moderately damaged..2.4390.41002.936
highly damaged....0.41000.4100
extemely damaged........
dead....0.41000.4100
total..7.31911.71319.16
FRn/a........
insignificant damage..9.01811.21620.210
slightly damaged0.41006.0235.62412.015
moderately damaged0.7702.2401.1584.129
highly damaged..0.7711.5492.240
extemely damaged0.7701.157..1.944
dead..0.770..0.770
total1.94419.81019.41141.13
GEn/a........
insignificant damage..0.5100..0.5100
slightly damaged..0.51001.3541.743
moderately damaged........
highly damaged........
extemely damaged........
dead........
total..0.9651.3542.234
GLn/a....0.41000.4100
insignificant damage..2.3393.1335.423
slightly damaged0.8703.9290.41005.024
moderately damaged..0.8701.5492.339
highly damaged0.8700.870..1.549
extemely damaged..0.8700.41001.257
dead........
total1.5498.5175.82215.88
GRn/a..0.31001.4501.745
insignificant damage1.05814.31542.9858.36
slightly damaged2.83525.51127.91056.27
moderately damaged2.1419.1195.62516.714
highly damaged0.7715.6251.7458.020
extemely damaged..0.31000.31000.771
dead0.31000.3100..0.771
total6.92255.5779.95142.33
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 damage0.31005.3239.81615.412
slightly damaged1.3496.9207.91816.111
moderately damaged0.6702.2371.9404.724
highly damaged0.9570.6700.31001.940
extemely damaged..0.3100..0.3100
dead0.3100....0.3100
total3.52915.71120.2939.33
NEn/a..0.41000.31000.771
insignificant damage..4.22610.61414.711
slightly damaged..3.5286.82010.315
moderately damaged..0.6700.31001.057
highly damaged....0.6700.670
extemely damaged........
dead........
total..8.71718.7827.44
NWn/a........
insignificant damage..1.5460.8692.336
slightly damaged..1.5461.2552.732
moderately damaged..1.255..1.255
highly damaged..0.4100..0.4100
extemely damaged........
dead........
total..4.6201.9406.513
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..6.92212.71519.511
slightly damaged1.15711.2167.22119.511
moderately damaged0.41004.0291.1575.425
highly damaged0.41001.450..1.844
extemely damaged..0.41000.41000.770
dead..1.1580.41001.450
total1.84424.91022.81049.54
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..4.22910.21614.413
slightly damaged..3.4326.1239.517
moderately damaged0.41003.4321.1574.926
highly damaged..0.8700.8701.549
extemely damaged........
dead....0.41000.4100
total0.410011.71519.3931.44
SZn/a....0.41000.4100
insignificant damage0.7705.1256.52112.314
slightly damaged0.41004.0284.7269.017
moderately damaged0.41001.449..1.844
highly damaged0.7700.7700.41001.844
extemely damaged..0.4100..0.4100
dead........
total2.24011.61411.91425.75
TGn/a....0.6700.670
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........
total0.6708.41511.91121.04
TIn/a..0.4100..0.4100
insignificant damage0.410012.21616.81429.310
slightly damaged3.23319.71213.31636.29
moderately damaged1.74512.2165.02618.913
highly damaged0.7716.4230.7717.821
extemely damaged0.41001.8440.41002.537
dead..0.41000.41000.771
total6.42353.0736.5995.94
URn/a..0.3100..0.3100
insignificant damage..1.3492.3363.628
slightly damaged0.31002.7354.0277.019
moderately damaged0.7711.7430.31002.734
highly damaged0.770....0.770
extemely damaged........
dead........
total1.7446.0216.61914.311
VDn/a....0.8710.871
insignificant damage1.55012.51633.3947.47
slightly damaged1.15814.11517.41432.69
moderately damaged0.41003.8314.9279.120
highly damaged0.8710.8711.1582.638
extemely damaged0.4100..0.41000.871
dead........
total4.23031.1957.9693.23
VSn/a0.31000.31000.7711.450
insignificant damage1.74413.01520.31235.09
slightly damaged2.43812.31615.11429.89
moderately damaged4.1288.2205.82418.213
highly damaged1.4503.8301.0586.223
extemely damaged0.31000.7710.7711.744
dead0.7710.771..1.450
total11.01739.1843.6793.73
ZGn/a........
insignificant damage..0.41002.1372.632
slightly damaged..0.9680.9681.744
moderately damaged....0.41000.4100
highly damaged........
extemely damaged....0.41000.4100
dead..0.4100..0.4100
total..1.7443.9215.69
ZHn/a..0.41000.41000.770
insignificant damage0.7709.91720.11130.77
slightly damaged0.7704.6278.81814.114
moderately damaged0.41002.5370.41003.232
highly damaged0.41000.41000.41001.157
extemely damaged....0.41000.4100
dead....0.41000.4100
total2.14017.61230.7750.42
Switzerlandn/a0.31005.12711.21816.615
insignificant damage10.219158.24302.93471.22
slightly damaged19.114170.04182.24371.23
moderately damaged13.91669.3745.49128.65
highly damaged8.32028.61113.61650.58
extemely damaged1.8457.5225.42614.816
dead1.7454.7284.72811.018
total55.38443.32565.421064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137200/123574

NFI4b

forest area: stand stability · degree of damage of the stand · 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
stand stabilitydegree of damage of the stand %± %± %± %± %± %±
criticaln/a......1.41.4..0.60.6
insignificant damage50.014.425.010.815.45.815.54.310.16.818.43.1
slightly damaged25.012.537.512.135.97.729.55.450.411.234.23.8
moderately damaged16.710.818.89.823.16.729.65.424.49.625.23.5
highly damaged..18.89.815.45.818.34.610.16.815.12.8
extemely damaged8.38.0..5.13.51.41.45.04.93.21.4
dead....5.13.54.32.4..3.21.4
total100.0.100.0.100.0.100.0.100.0.100.0.
less stablen/a2.91.30.80.60.80.51.00.50.60.61.10.3
insignificant damage41.53.853.33.237.33.026.62.224.43.235.81.3
slightly damaged37.43.732.63.039.23.042.32.537.03.638.31.4
moderately damaged15.82.88.71.815.22.217.01.922.23.115.61.0
highly damaged2.31.24.11.33.41.19.11.412.42.56.40.7
extemely damaged..0.40.42.30.92.30.72.81.31.70.4
dead....1.90.81.80.70.60.61.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.
stablen/a2.30.82.60.81.50.71.60.61.41.02.00.3
insignificant damage53.02.760.92.553.43.150.62.445.34.253.61.2
slightly damaged34.32.526.42.234.22.934.32.333.44.032.31.2
moderately damaged7.41.46.21.25.61.49.31.414.93.08.00.7
highly damaged2.00.72.60.82.61.02.30.72.81.42.40.4
extemely damaged0.60.40.50.41.10.61.40.61.41.00.90.2
dead0.60.40.80.41.50.70.70.40.70.70.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.40.71.90.51.10.41.30.40.90.51.50.2
insignificant damage49.32.257.22.043.32.137.41.632.32.644.40.9
slightly damaged35.12.129.01.836.62.037.41.636.32.634.90.9
moderately damaged10.31.37.51.011.31.314.21.219.32.112.00.6
highly damaged2.10.63.60.73.90.86.50.88.31.54.70.4
extemely damaged0.60.30.50.31.90.61.80.42.40.81.40.2
dead0.40.30.50.31.90.61.50.40.60.41.00.2
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 #137201/123575

NFI4b

forest area: stand stability · degree of damage of the stand · 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
stand stabilitydegree of damage of the stand1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticaln/a......0.3100..0.3100
insignificant damage2.2411.4502.2413.8300.77110.319
slightly damaged1.1582.1415.0267.3223.53119.013
moderately damaged0.7711.1583.2337.3221.74514.016
highly damaged..1.1582.2414.5280.7718.420
extemely damaged0.4100..0.7710.31000.41001.845
dead....0.7711.158..1.845
total4.4295.62514.11624.6127.02255.78
less stablen/a1.8450.7710.7711.4500.41005.027
insignificant damage25.91145.3835.3936.3915.215158.14
slightly damaged23.41227.71137.1957.8723.012169.14
moderately damaged9.9197.42214.41523.21213.81568.77
highly damaged1.5503.5313.23312.5167.72128.411
extemely damaged..0.41002.2413.1331.8457.422
dead....1.8452.5380.41004.628
total62.4685.0594.85136.7462.36441.32
stablen/a2.9353.5311.4502.5380.77111.018
insignificant damage68.3682.6551.2777.5622.612302.23
slightly damaged44.2835.8932.81052.6816.714182.14
moderately damaged9.5198.4205.42614.2157.42144.99
highly damaged2.6383.5312.5383.5321.45013.516
extemely damaged0.7710.7711.1582.1410.7715.326
dead0.7711.1581.4501.0580.41004.628
total128.93135.7395.95153.3450.07563.72
totaln/a4.7274.2292.2414.2291.15816.415
insignificant damage96.45129.3488.75117.6538.68470.62
slightly damaged68.6665.7675.06117.6543.28370.23
moderately damaged20.11316.91423.11244.6823.012127.65
highly damaged4.0308.1217.92120.4139.91850.38
extemely damaged1.1581.1584.0305.5252.83514.516
dead0.7711.1584.0304.6280.77111.018
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137202/123576

NFI4b

forest area: stand stability · degree of damage of the stand · 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
stand stabilitydegree of damage of the stand %± %± %± %± %± %± %±
criticaln/a......3.13.1....0.60.6
insignificant damage35.79.121.16.69.16.115.66.411.27.510.16.818.53.1
slightly damaged32.18.834.27.736.310.321.97.339.111.550.411.234.33.8
moderately damaged17.97.221.16.618.48.337.58.633.511.224.49.625.23.4
highly damaged10.75.813.25.536.310.312.55.911.27.510.16.815.12.8
extemely damaged3.63.55.33.6..3.13.1..5.04.93.21.4
dead..5.33.6..6.34.35.04.9..3.11.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stablen/a1.70.60.80.51.30.90.90.90.80.80.60.61.10.3
insignificant damage48.42.533.02.930.73.733.34.424.43.824.43.235.81.4
slightly damaged34.62.341.03.041.94.031.64.448.14.437.03.638.31.4
moderately damaged11.61.614.62.216.03.021.13.816.03.222.23.115.51.0
highly damaged3.40.95.41.45.21.89.62.89.22.512.42.56.50.7
extemely damaged0.20.23.41.12.01.11.81.20.80.82.81.31.70.4
dead..1.90.82.91.51.81.20.80.80.60.61.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stablen/a2.40.60.90.63.11.41.61.11.10.71.41.02.00.3
insignificant damage57.11.848.53.355.23.946.54.455.83.645.34.253.61.2
slightly damaged30.21.734.13.131.33.634.64.236.83.533.44.032.31.2
moderately damaged6.80.98.71.96.11.913.43.04.71.514.93.08.00.7
highly damaged2.30.64.41.40.60.62.41.31.60.92.81.42.40.4
extemely damaged0.50.31.30.82.51.21.61.1..1.41.00.90.2
dead0.70.32.21.01.20.9....0.70.70.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.10.40.80.42.10.81.50.70.90.50.90.51.50.2
insignificant damage53.61.538.82.141.12.737.42.941.32.732.32.644.40.9
slightly damaged31.81.437.52.136.42.631.82.841.32.736.32.634.90.9
moderately damaged8.70.812.51.411.41.719.42.410.61.719.32.112.00.6
highly damaged2.90.55.51.05.01.26.61.55.01.28.31.54.80.4
extemely damaged0.50.22.70.72.10.81.80.80.30.32.40.81.40.2
dead0.40.22.30.61.90.81.50.70.60.40.60.41.00.2
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 #137203/123577

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 NFI1/NFI2/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......0.3100....0.3100
insignificant damage3.6322.9350.7711.7440.7710.77110.318
slightly damaged3.2334.7272.8352.4382.5383.53119.114
moderately damaged1.8452.9351.4504.1282.1411.74514.016
highly damaged1.1581.8452.8351.4500.7710.7718.420
extemely damaged0.41000.771..0.3100..0.41001.845
dead..0.771..0.7710.3100..1.745
total10.01913.7167.62111.0176.3237.02255.68
less stablen/a2.5380.7710.7710.31000.41000.41005.027
insignificant damage71.5731.01016.21413.01511.21715.215158.24
slightly damaged51.1838.6922.11212.31622.11223.012169.44
moderately damaged17.21413.7168.4208.2207.42113.81568.77
highly damaged5.0275.0262.8353.8304.2287.72128.511
extemely damaged0.41003.2331.0580.7710.41001.8457.422
dead..1.8451.5510.7710.41000.41004.828
total147.7494.1552.8739.1846.0762.36442.02
stablen/a6.4230.7711.8450.7710.7710.77111.018
insignificant damage150.9440.0931.0920.31237.2822.612302.23
slightly damaged79.8628.11117.61315.11424.61116.714181.84
moderately damaged17.9147.2223.4315.8243.2337.42145.09
highly damaged6.1243.6310.31001.0581.1581.45013.516
extemely damaged1.4501.1581.4500.771..0.7715.326
dead1.8451.8450.771....0.41004.628
total264.3282.6556.3643.6766.8650.07563.52
totaln/a8.9201.4502.4381.4501.1581.15816.315
insignificant damage226.1373.9648.0735.0949.2738.68470.72
slightly damaged134.1471.4642.5829.8949.2743.28370.23
moderately damaged36.9923.81213.31618.21312.61623.012127.75
highly damaged12.21710.5185.9246.2236.0249.91850.58
extemely damaged2.1415.0262.4381.7440.41002.83514.516
dead1.8454.3292.2411.4500.7710.77111.118
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137204/123578

NFI4b

forest area: stand stability · degree of damage of the stand · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 damage50.015.839.14.351.23.047.52.4
slightly damaged30.014.542.94.435.52.937.72.4
moderately damaged10.09.514.13.18.31.710.11.5
highly damaged..2.31.32.10.92.20.7
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..7.03.95.42.65.92.2
insignificant damage50.035.548.87.659.65.755.54.5
slightly damaged..20.96.229.65.326.04.0
moderately damaged50.035.520.96.24.12.310.92.9
highly damaged..2.32.31.41.41.71.2
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
Western Plateaun/a....1.41.40.90.9
insignificant damage..42.57.855.45.949.44.7
slightly damaged66.727.342.57.830.65.535.74.5
moderately damaged33.327.312.55.27.03.09.62.8
highly damaged..2.52.55.62.74.41.9
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....2.71.21.60.7
insignificant damage42.918.761.24.565.43.563.32.8
slightly damaged14.313.224.14.024.93.224.32.4
moderately damaged14.313.210.32.83.21.36.21.4
highly damaged28.617.13.41.71.60.92.91.0
extemely damaged..0.90.91.10.81.00.6
dead....1.10.80.60.5
total100.0.100.0.100.0.100.0.
Western Pre-Alpsn/a........
insignificant damage14.313.341.16.645.97.241.54.7
slightly damaged14.313.333.96.437.57.034.34.5
moderately damaged28.617.112.54.410.34.412.63.2
highly damaged14.313.33.52.44.22.94.52.0
extemely damaged28.617.15.43.0..4.52.0
dead..3.62.52.12.12.71.5
total100.0.100.0.100.0.100.0.
Central Pre-Alpsn/a..0.80.80.90.90.80.5
insignificant damage13.07.033.94.353.84.640.93.0
slightly damaged43.510.342.74.435.04.439.43.0
moderately damaged21.78.616.13.35.12.011.72.0
highly damaged13.07.04.01.83.41.74.51.3
extemely damaged..1.61.10.90.91.10.7
dead8.75.90.80.80.90.91.50.8
total100.0.100.0.100.0.100.0.
Eastern Pre-Alpsn/a..1.21.23.01.72.11.0
insignificant damage22.213.939.85.456.44.947.73.6
slightly damaged33.315.737.35.331.74.634.23.4
moderately damaged22.213.915.74.04.01.99.82.1
highly damaged22.213.92.41.71.01.02.61.1
extemely damaged..1.21.22.01.41.60.9
dead..2.41.72.01.42.11.0
total100.0.100.0.100.0.100.0.
Northwestern Alpsn/a..1.21.21.61.61.30.9
insignificant damage50.017.725.94.940.76.233.43.8
slightly damaged25.015.343.25.529.65.736.63.9
moderately damaged12.511.713.63.814.04.313.72.8
highly damaged12.511.78.63.16.33.07.92.2
extemely damaged..4.92.43.22.23.91.6
dead..2.51.74.72.63.31.4
total100.0.100.0.100.0.100.0.
Central Alpsn/a..3.73.6..1.61.6
insignificant damage..25.88.448.49.034.26.0
slightly damaged16.415.144.89.648.49.043.86.2
moderately damaged34.219.522.18.03.23.214.14.4
highly damaged49.320.53.73.6..6.23.0
extemely damaged........
dead........
total100.0.100.0.100.0.100.0.
Northeastern Alpsn/a....6.54.42.51.8
insignificant damage..16.75.858.08.931.25.2
slightly damaged57.118.850.07.712.96.036.25.4
moderately damaged..11.95.016.16.612.53.7
highly damaged42.918.811.95.0..10.03.4
extemely damaged..4.83.36.44.45.02.4
dead..4.83.3..2.51.8
total100.0.100.0.100.0.100.0.
Southwestern Alpsn/a3.13.10.90.91.61.11.50.7
insignificant damage15.66.433.34.446.54.437.42.9
slightly damaged21.97.331.64.434.64.231.82.8
moderately damaged37.58.621.13.813.43.019.42.4
highly damaged12.55.99.62.82.41.36.61.5
extemely damaged3.13.11.81.21.61.11.80.8
dead6.34.31.81.2..1.50.7
total100.0.100.0.100.0.100.0.
Southeastern Alpsn/a..0.80.81.10.70.90.5
insignificant damage11.27.524.43.855.83.641.32.7
slightly damaged39.111.548.14.436.83.541.32.7
moderately damaged33.511.216.03.24.71.510.61.7
highly damaged11.27.59.22.51.60.95.01.2
extemely damaged..0.80.8..0.30.3
dead5.04.90.80.8..0.60.4
total100.0.100.0.100.0.100.0.
Southern Alpsn/a..0.60.61.41.00.90.5
insignificant damage10.16.824.43.245.34.232.32.6
slightly damaged50.411.237.03.633.44.036.32.6
moderately damaged24.49.622.23.114.93.019.32.1
highly damaged10.16.812.42.52.81.48.31.5
extemely damaged5.04.92.81.31.41.02.40.8
dead..0.60.60.70.70.60.4
total100.0.100.0.100.0.100.0.
Switzerlandn/a0.60.61.10.32.00.31.50.2
insignificant damage18.43.135.81.353.61.344.40.9
slightly damaged34.33.838.31.432.31.234.90.9
moderately damaged25.33.515.61.07.90.712.00.6
highly damaged15.12.86.40.72.40.44.70.4
extemely damaged3.21.41.70.40.90.21.40.2
dead3.11.41.10.30.80.21.00.2
total100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137205/123579

NFI4b

forest area: stand stability · degree of damage of the stand · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 damage1.84517.91351.0770.65
slightly damaged1.15819.61335.4956.17
moderately damaged0.41006.4238.22015.015
highly damaged..1.1582.1413.233
extemely damaged0.4100..0.7711.158
dead....0.7710.771
total3.63145.7899.64148.92
Eastern Juran/a..1.2571.6492.837
insignificant damage0.41008.32017.41226.18
slightly damaged..3.6328.62012.216
moderately damaged0.41003.6321.2575.126
highly damaged..0.41000.41000.870
extemely damaged........
dead........
total0.87017.01229.2847.03
Western Plateaun/a....0.41000.4100
insignificant damage..7.02316.31423.310
slightly damaged0.8707.0239.02016.813
moderately damaged0.41002.1442.1444.529
highly damaged..0.41001.6492.144
extemely damaged........
dead........
total1.25716.51329.4847.24
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....1.8441.844
insignificant damage1.15825.41143.2769.75
slightly damaged0.410010.01816.41426.810
moderately damaged0.41004.3282.1416.822
highly damaged0.7711.4501.1583.233
extemely damaged..0.41000.7711.158
dead....0.7710.771
total2.53741.5866.15110.12
Western Pre-Alpsn/a........
insignificant damage0.41008.5198.21917.012
slightly damaged0.41007.0216.72214.114
moderately damaged0.7702.6371.8445.226
highly damaged0.41000.7710.7701.844
extemely damaged0.7701.157..1.944
dead..0.7700.41001.157
total2.63720.71017.81241.14
Central Pre-Alpsn/a..0.41000.41000.771
insignificant damage1.15815.11422.61138.78
slightly damaged3.63119.01314.71537.38
moderately damaged1.8447.2222.24011.117
highly damaged1.1581.8441.4504.328
extemely damaged..0.7710.41001.158
dead0.7710.41000.41001.450
total8.22044.5742.0794.72
Eastern Pre-Alpsn/a..0.41001.1581.450
insignificant damage0.77111.81620.41232.98
slightly damaged1.15711.11711.41623.610
moderately damaged0.7714.6271.4506.822
highly damaged0.7710.7710.41001.844
extemely damaged..0.41000.7711.157
dead..0.7710.7711.450
total3.23329.6936.1768.93
Northwestern Alpsn/a..0.41000.41000.771
insignificant damage1.4507.5219.31918.212
slightly damaged0.77112.5156.82220.011
moderately damaged0.41003.9293.2337.521
highly damaged0.41002.5371.4504.328
extemely damaged..1.4500.7712.240
dead..0.7711.1571.844
total2.93528.9922.91154.74
Central Alpsn/a..0.3100..0.3100
insignificant damage..2.4375.2247.619
slightly damaged0.31004.2285.2249.717
moderately damaged0.7712.1400.31003.132
highly damaged1.0570.3100..1.449
extemely damaged........
dead........
total2.1409.31710.71522.18
Northeastern Alpsn/a....0.7710.771
insignificant damage..2.5376.4228.918
slightly damaged1.4497.5201.44910.416
moderately damaged..1.8441.8443.631
highly damaged1.1571.844..2.934
extemely damaged..0.7700.7701.449
dead..0.771..0.771
total2.53715.01311.11628.76
Southwestern Alpsn/a0.31000.31000.7711.450
insignificant damage1.74413.01520.31235.09
slightly damaged2.43812.31615.11429.89
moderately damaged4.1288.2205.82418.213
highly damaged1.4503.8301.0586.223
extemely damaged0.31000.7710.7711.744
dead0.7710.771..1.450
total11.01739.1843.6793.73
Southeastern Alpsn/a..0.41000.7711.158
insignificant damage0.77111.21737.2849.27
slightly damaged2.53822.11224.61149.27
moderately damaged2.1417.4213.23312.616
highly damaged0.7714.2281.1586.024
extemely damaged..0.4100..0.4100
dead0.31000.4100..0.771
total6.32346.0766.86119.03
Southern Alpsn/a..0.41000.7711.158
insignificant damage0.77115.21522.61238.68
slightly damaged3.53123.01216.71443.28
moderately damaged1.74513.8157.42123.012
highly damaged0.7717.7211.4509.918
extemely damaged0.41001.8450.7712.835
dead..0.41000.41000.771
total7.02262.3650.07119.33
Switzerlandn/a0.31005.02711.11816.415
insignificant damage10.319158.64303.23472.12
slightly damaged19.114169.54182.54371.13
moderately damaged14.11669.2744.99128.25
highly damaged8.42028.41113.71650.58
extemely damaged1.8457.5225.32614.616
dead1.7454.7284.62811.018
total55.88442.92565.321063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137206/123580

NFI4b

forest area: stand stability · slope (20% classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilityslope (20% classes) %± %± %± %± %± %± %±
criticalto 20%18.211.638.911.56.43.1..11.87.9..9.62.3
21-40 %81.837.161.121.783.919.896.727.488.236.595.035.985.412.6
over 100%....9.63.73.33.3..5.04.95.11.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
less stableto 20%25.43.458.03.07.51.31.91.34.01.91.10.819.21.1
21-40 %73.410.942.06.387.17.991.315.891.116.488.912.076.44.4
over 100%1.20.8..5.41.16.72.55.02.210.02.24.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
stableto 20%31.62.560.62.411.51.63.51.74.51.73.51.527.21.1
21-40 %68.46.839.44.187.57.892.115.093.612.390.413.871.53.6
over 100%....1.00.54.41.91.91.16.12.01.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%29.32.059.11.89.21.02.41.04.71.32.10.823.00.7
21-40 %70.35.840.93.687.05.492.310.292.39.789.88.874.32.7
over 100%0.40.3..3.70.65.31.42.91.08.11.52.80.3
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 #137207/123581

NFI4b

forest area: stand stability · slope (20% classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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..0.771..5.326
21-40 %3.22023.98518.51209.92075.32506.720347.574
over 100%....2.1410.3100..0.41002.835
total4.0306.42322.01210.3176.0247.12255.78
less stableto 20%15.51555.2711.4170.7711.4500.77184.86
21-40 %44.79040.0121131.14132.58632.58456.966337.626
over 100%0.771..8.2212.4371.8446.42319.413
total60.9795.15150.6435.6835.6964.16441.92
stableto 20%39.3992.3516.3141.4502.5371.845153.54
21-40 %85.09660.165124.24835.78551.68646.370402.927
over 100%....1.4501.7441.1583.1337.322
total124.33152.43141.9438.8855.1651.37563.82
totalto 20%55.57149.9329.1112.1414.6272.538243.73
21-40 %132.960104.0101273.82878.15489.352110.044788.017
over 100%0.771..11.7174.4272.8359.91829.611
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137208/123582

NFI4b

forest area: stand stability · slope (20% classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantonslope (20% classes) %± %± %± %±
AGto 20%..44.47.451.35.748.84.6
21-40 %..55.615.248.79.751.29.2
over 100%........
total..100.0.100.0.100.0.
AIto 20%....10.09.86.76.6
21-40 %..80.059.390.048.886.739.5
over 100%..20.018.4..6.76.6
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%30.49.623.33.028.12.926.22.0
21-40 %60.928.772.310.570.78.870.96.6
over 100%8.75.94.51.51.20.72.90.8
total100.0.100.0.100.0.100.0.
BL/BSto 20%..22.29.934.78.929.96.7
21-40 %..77.835.465.321.670.120.2
over 100%........
total..100.0.100.0.100.0.
FRto 20%60.022.030.26.346.26.939.14.7
21-40 %20.018.067.918.953.816.859.112.4
over 100%20.018.01.91.9..1.81.3
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%..4.54.5..2.42.4
21-40 %100.068.995.526.993.343.495.124.3
over 100%....6.76.52.42.4
total100.0.100.0.100.0.100.0.
GRto 20%10.16.74.41.65.71.55.41.1
21-40 %89.933.888.012.791.710.290.27.9
over 100%..7.62.12.61.14.41.0
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%9.18.724.06.135.76.028.74.1
21-40 %90.940.876.019.764.313.671.311.8
over 100%........
total100.0.100.0.100.0.100.0.
NEto 20%..36.79.332.66.233.95.2
21-40 %..59.624.167.414.864.913.3
over 100%..3.73.6..1.21.2
total..100.0.100.0.100.0.
NWto 20%....20.018.35.95.8
21-40 %..75.045.780.058.976.538.5
over 100%..25.012.8..17.69.5
total..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%..17.44.620.75.118.33.3
21-40 %100.057.878.218.679.319.079.513.2
over 100%..4.42.5..2.21.3
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%..22.67.529.46.426.54.9
21-40 %100.0.77.427.970.617.173.515.9
over 100%........
total100.0.100.0.100.0.100.0.
SZto 20%..9.45.29.15.08.43.3
21-40 %100.069.384.427.690.924.088.719.2
over 100%..6.24.3..2.82.0
total100.0.100.0.100.0.100.0.
TGto 20%..70.78.772.57.069.75.5
21-40 %100.0.29.38.727.510.930.38.2
over 100%........
total100.0.100.0.100.0.100.0.
TIto 20%..0.70.74.92.22.30.9
21-40 %94.438.790.513.489.316.490.310.1
over 100%5.65.58.82.35.72.37.41.6
total100.0.100.0.100.0.100.0.
URto 20%..6.26.0..2.62.6
21-40 %61.121.888.329.2100.035.490.523.7
over 100%38.921.85.55.4..6.93.9
total100.0.100.0.100.0.100.0.
VDto 20%..34.25.246.94.040.63.1
21-40 %90.938.364.615.753.19.658.68.4
over 100%9.18.71.21.2..0.80.6
total100.0.100.0.100.0.100.0.
VSto 20%..2.61.54.71.93.31.1
21-40 %96.926.391.215.191.414.092.09.7
over 100%3.13.16.12.33.91.74.81.3
total100.0.100.0.100.0.100.0.
ZGto 20%....44.417.130.813.3
21-40 %..100.0.55.630.669.226.4
over 100%........
total..100.0.100.0.100.0.
ZHto 20%16.715.352.07.155.25.352.44.2
21-40 %83.339.848.014.944.89.647.68.3
over 100%........
total100.0.100.0.100.0.100.0.
Switzerlandto 20%9.52.319.21.127.41.123.10.7
21-40 %85.412.676.44.471.33.674.22.7
over 100%5.11.74.40.61.30.32.80.3
total100.0.100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137209/123583

NFI4b

forest area: stand stability · slope (20% classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/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 %..10.115714.914325.0210
over 100%........
total..18.11230.6748.72
AIto 20%....0.31000.3100
21-40 %..1.32682.93074.2253
over 100%..0.3100..0.3100
total..1.6393.2224.811
ARto 20%..0.6690.6691.347
21-40 %0.31002.62943.8776.7226
over 100%........
total0.31003.2254.5188.05
BEto 20%2.43816.11424.01142.48
21-40 %4.824449.96960.383115.048
over 100%0.7713.1331.0584.826
total7.92069.1685.35162.32
BL/BSto 20%..1.6494.1295.723
21-40 %..5.72447.713513.4188
over 100%........
total..7.31911.71319.16
FRto 20%1.1576.0239.01816.112
21-40 %0.410013.416510.519924.3117
over 100%0.41000.4100..0.770
total1.94419.81019.41141.13
GEto 20%..0.9651.3542.234
21-40 %........
over 100%........
total..0.9651.3542.234
GLto 20%..0.4100..0.4100
21-40 %1.52708.11315.421615.0151
over 100%....0.41000.4100
total1.5498.5175.82215.88
GRto 20%0.7712.5384.5277.721
21-40 %6.223548.87173.368128.443
over 100%..4.2292.1416.323
total6.92255.5779.95142.33
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 %3.116911.918713.011428.1153
over 100%........
total3.52915.71120.2939.33
NEto 20%..3.2306.1219.316
21-40 %..5.227612.69717.8182
over 100%..0.3100..0.3100
total..8.71718.7827.44
NWto 20%....0.41000.4100
21-40 %..3.52621.52695.0217
over 100%..1.255..1.255
total..4.6201.9406.513
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%..4.3284.7279.019
21-40 %1.825719.511118.113139.477
over 100%..1.157..1.157
total1.84424.91022.81049.54
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 %0.41009.116713.624423.1113
over 100%........
total0.410011.71519.3931.44
SZto 20%..1.1571.1572.240
21-40 %2.23419.817110.99022.898
over 100%..0.770..0.770
total2.24011.61411.91425.75
TGto 20%..6.0198.71514.68
21-40 %0.6702.5343.3836.466
over 100%........
total0.6708.41511.91121.04
TIto 20%..0.41001.8452.241
21-40 %6.020848.07032.68386.649
over 100%0.41004.7272.1417.122
total6.42353.0736.5995.94
URto 20%..0.4100..0.4100
21-40 %1.0585.31706.622013.0139
over 100%0.7700.3100..1.057
total1.7446.0216.61914.311
VDto 20%..10.61827.21037.88
21-40 %3.818220.111830.712754.679
over 100%0.41000.4100..0.871
total4.23031.1957.9693.23
VSto 20%..1.0582.1413.133
21-40 %10.620535.68339.98186.152
over 100%0.31002.4371.7444.527
total11.01739.1843.6793.73
ZGto 20%....1.7441.744
21-40 %..1.7442.11213.986
over 100%........
total..1.7443.9215.69
ZHto 20%0.41009.21816.91226.48
21-40 %1.81288.511413.712424.074
over 100%........
total2.14017.61230.7750.42
Switzerlandto 20%5.32685.26155.04245.43
21-40 %47.374338.726403.127789.117
over 100%2.83519.4137.32229.511
total55.38443.32565.421064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 10.11.2014 #137210/123584

NFI4b

forest area: stand stability · slope (20% classes) · 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
stand stabilityslope (20% classes) %± %± %± %± %± %±
criticalto 20%16.710.843.812.410.34.92.82.0..9.62.3
21-40 %83.334.956.322.479.524.393.018.095.035.985.312.6
over 100%....10.34.94.22.45.04.95.11.8
total100.0.100.0.100.0.100.0.100.0.100.0.
less stableto 20%26.93.461.23.111.42.03.60.90.60.619.21.1
21-40 %71.910.838.86.184.09.790.68.189.212.176.44.3
over 100%1.20.8..4.61.35.81.210.22.34.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
stableto 20%33.72.563.02.515.42.25.41.13.61.627.31.1
21-40 %66.36.637.04.284.29.192.17.590.213.971.43.6
over 100%....0.40.42.50.76.32.01.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totalto 20%31.22.061.81.913.21.44.40.71.80.723.00.7
21-40 %68.55.738.23.583.86.491.55.389.98.974.22.7
over 100%0.40.3..3.00.74.10.78.31.52.80.3
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 #137211/123585

NFI4b

forest area: stand stability · slope (20% classes) · 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
stand stabilityslope (20% classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalto 20%0.7712.5381.4500.771..5.326
21-40 %3.71983.29411.216722.81276.720347.574
over 100%....1.4501.0580.41002.835
total4.4295.62514.11624.6127.02255.78
less stableto 20%16.81452.0710.8184.9270.410084.86
21-40 %44.99033.017079.756123.94455.667337.126
over 100%0.771..4.3298.0216.42319.413
total62.4685.0594.85136.7462.36441.32
stableto 20%43.4885.4514.8158.3201.845153.74
21-40 %85.49650.37680.768141.24445.071402.727
over 100%....0.41003.8303.1337.322
total128.93135.7395.95153.3450.07563.72
totalto 20%61.07139.9327.01113.9162.141243.93
21-40 %134.06086.4148171.639288.028107.345787.217
over 100%0.771..6.12412.8169.91829.511
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 10.11.2014 #137212/123586
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