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NFI3
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %±
outside of perimetercritical4.90.78.10.85.10.95.90.82.21.16.10.4
less stable28.71.536.31.434.92.030.41.634.93.532.80.8
stable66.41.655.61.560.02.063.61.762.93.661.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.21.54.91.97.41.04.70.63.60.75.10.4
less stable30.73.237.74.437.11.935.61.335.71.835.70.9
stable64.13.357.44.555.52.059.81.460.61.959.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical5.00.77.80.76.30.75.20.53.30.65.60.3
less stable29.01.436.41.336.11.433.51.035.61.634.10.6
stable66.01.455.81.457.61.461.31.161.11.760.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #848964/315295
NFI4
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %±
outside of perimetercritical1.80.52.90.55.61.17.11.14.92.23.90.4
less stable32.91.742.31.545.12.341.82.147.75.040.40.9
stable65.31.754.81.649.32.351.12.147.45.055.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical1.10.81.81.36.41.17.60.87.01.16.50.5
less stable36.93.552.04.950.82.248.01.558.22.250.21.0
stable62.03.546.14.942.82.244.31.534.72.143.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical1.70.42.80.56.00.87.40.76.71.05.10.3
less stable33.61.543.21.548.11.645.91.256.52.044.80.7
stable64.71.554.01.545.91.646.61.236.81.950.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #848965/315296
NFI3
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %±
outside of perimetercritical5.20.88.00.85.00.95.70.92.31.26.00.4
less stable27.91.636.81.535.12.130.01.735.73.732.80.8
stable66.91.755.21.559.82.264.31.862.03.761.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical5.11.65.62.27.51.14.90.63.70.85.20.4
less stable29.03.338.24.837.42.135.21.435.21.935.40.9
stable65.93.456.24.955.12.159.91.461.12.059.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical5.20.77.80.86.30.75.20.53.40.75.70.3
less stable28.11.436.91.436.31.533.21.135.31.733.90.6
stable66.71.555.31.557.41.561.61.161.31.860.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #848966/315297
NFI1
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGn/a2.0310.0.2.031
critical2.6270.21002.826
less stable20.381.24021.57
stable20.080.47120.48
total44.921.83346.72
AIn/a0.21000.4720.658
critical0.21000.0.0.2100
less stable1.0411.9282.920
stable0.9420.6571.531
total2.3252.8205.19
ARn/a0.21000.0.0.2100
critical0.0.0.0.0.0.
less stable2.0290.7512.723
stable3.1222.1235.313
total5.3132.8208.16
BEn/a4.8204.0228.815
critical6.4174.72111.113
less stable38.7638.8677.54
stable33.5730.1763.75
total83.5477.64161.11
BL/BSn/a1.3410.4701.635
critical0.6580.21000.850
less stable5.8171.2407.015
stable8.0132.13110.111
total15.763.92219.64
FRn/a1.4381.0452.429
critical0.9501.1412.031
less stable9.7136.11615.89
stable14.0105.51719.58
total25.9513.81039.73
GEn/a0.0.0.0.0.0.
critical0.0.0.0.0.0.
less stable2.0320.0.2.032
stable1.2500.0.1.250
total3.1130.0.3.113
GLn/a0.6580.6571.241
critical0.4711.1401.534
less stable2.0305.0177.013
stable2.0312.2294.120
total4.9188.91113.87
GRn/a2.0323.0265.020
critical3.2257.71610.913
less stable24.2847.8672.04
stable24.8831.8756.65
total54.2590.33144.52
JUn/a0.6580.8491.437
critical0.21000.21000.470
less stable9.0132.52711.511
stable11.5118.01419.57
total21.3611.41132.83
LUn/a1.0450.0.1.045
critical1.3370.6582.031
less stable19.584.22123.76
stable10.0122.62712.710
total31.947.41539.43
NEn/a0.6600.4711.046
critical0.21000.0.0.2100
less stable5.5171.0406.515
stable17.172.52719.66
total23.453.92127.33
NWn/a0.0.0.0.0.0.
critical0.31000.31000.571
less stable1.9331.6363.521
stable1.3421.9233.221
total3.5213.7207.29
OWn/a1.1420.4711.536
critical0.9460.21001.142
less stable4.4196.11510.59
stable2.6262.3284.918
total9.1129.01118.14
SGn/a0.8501.4382.230
critical1.4383.1254.521
less stable10.81314.81025.67
stable7.2169.31416.510
total20.1928.7648.84
SHn/a0.9490.0.0.949
critical0.4710.0.0.471
less stable4.6180.21004.717
stable6.1140.21006.313
total11.940.46912.33
SOn/a1.1440.21001.440
critical1.0450.21001.241
less stable17.781.83319.57
stable8.6130.8519.513
total28.533.12531.62
SZn/a1.0440.6581.634
critical1.6350.0.1.635
less stable4.8196.51611.410
stable6.0174.91910.911
total13.51012.01025.54
TGn/a0.5600.21000.751
critical0.8450.0.0.845
less stable8.6120.6519.211
stable7.3131.5338.911
total17.252.42619.63
TIn/a0.8501.9312.727
critical1.2412.0323.225
less stable6.91737.6644.56
stable7.31642.1649.45
total16.31083.6399.92
URn/a0.4720.0.0.472
critical0.21000.6560.849
less stable2.7255.6158.311
stable1.6351.9303.522
total4.8188.11112.96
VDn/a2.3290.6582.925
critical5.3191.4386.717
less stable25.489.31434.76
stable34.469.01443.45
total67.5320.2987.72
VSn/a1.8333.2255.020
critical1.9335.5197.416
less stable9.21428.3737.56
stable11.71337.5649.15
total24.5874.5399.02
ZGn/a0.21000.11000.472
critical0.11000.4720.558
less stable1.8280.7462.523
stable0.7501.3332.024
total2.9192.5205.48
ZHn/a1.5370.21001.735
critical3.0240.21003.324
less stable23.470.85024.27
stable19.180.47019.68
total47.121.63548.82
Switzerlandn/a27.2919.41046.66
critical34.1829.6863.85
less stable262.12224.33486.42
stable259.92201.13461.02
total583.41474.411057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #848967/315298
NFI4
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %±
outside of perimetercritical1.70.52.90.56.11.18.81.16.72.04.60.4
less stable32.91.742.41.545.62.242.71.844.03.940.70.9
stable65.41.754.71.548.32.248.51.949.23.954.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical1.10.71.81.36.41.18.10.87.11.16.70.5
less stable36.53.552.04.950.22.147.71.558.12.050.01.0
stable62.43.546.14.943.42.144.21.534.81.943.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical1.60.42.80.56.30.78.40.67.00.95.60.3
less stable33.61.543.31.547.91.545.71.155.11.844.80.6
stable64.81.553.91.545.81.545.91.237.81.749.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #848968/315299
NFI1
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGn/a2.2300.0.2.230
critical2.6270.21002.826
less stable20.381.24021.57
stable20.680.47121.08
total45.721.83347.52
AIn/a0.21000.4720.658
critical0.21000.0.0.2100
less stable1.0411.9282.920
stable0.9420.6571.531
total2.3252.8205.19
ARn/a0.21000.0.0.2100
critical0.0.0.0.0.0.
less stable2.0290.7512.723
stable3.1222.1235.313
total5.3132.8208.16
BEn/a5.0204.4219.414
critical6.4175.31911.713
less stable39.7640.0679.74
stable35.1730.7765.94
total86.3480.44166.71
BL/BSn/a1.5380.4701.832
critical0.6580.21000.850
less stable5.8171.2407.015
stable8.0132.13110.111
total15.963.92219.73
FRn/a1.8341.2413.026
critical0.9501.1412.031
less stable9.7136.11615.89
stable14.0105.71719.78
total26.3614.2940.53
GEn/a0.0.0.0.0.0.
critical0.0.0.0.0.0.
less stable2.0320.0.2.032
stable1.2500.0.1.250
total3.1130.0.3.113
GLn/a0.6580.8501.438
critical0.4711.1401.534
less stable2.0305.0177.013
stable2.2292.2294.319
total5.1179.11114.27
GRn/a2.6283.8236.417
critical3.4247.71611.113
less stable25.8848.6574.44
stable26.4832.7759.05
total58.2592.73150.92
JUn/a0.6580.8491.437
critical0.21000.21000.470
less stable9.0132.52711.511
stable12.5118.11420.77
total22.4611.61134.03
LUn/a1.2410.0.1.241
critical1.3370.6582.031
less stable20.184.42024.56
stable10.6122.62713.310
total33.347.61541.03
NEn/a0.6600.4711.046
critical0.21000.0.0.2100
less stable5.5171.0406.515
stable17.872.72620.56
total24.154.12028.23
NWn/a0.0.0.0.0.0.
critical0.31000.31000.571
less stable1.9331.8333.819
stable1.3421.9233.221
total3.5214.0197.58
OWn/a1.3380.4711.733
critical0.9460.21001.142
less stable4.4196.51510.99
stable2.6262.3284.918
total9.3129.41118.74
SGn/a1.9331.6353.524
critical1.6353.3254.920
less stable10.81315.51026.47
stable7.5169.61317.110
total21.8830.1652.03
SHn/a0.9490.0.0.949
critical0.4710.0.0.471
less stable4.6180.21004.717
stable6.1140.21006.313
total11.940.46912.33
SOn/a1.1440.21001.440
critical1.0450.21001.241
less stable18.171.83319.97
stable8.6130.8519.513
total28.933.12531.92
SZn/a1.8320.6582.528
critical1.8330.0.1.833
less stable4.8197.11511.910
stable6.0174.91910.911
total14.5912.61027.14
TGn/a0.5600.21000.751
critical0.8450.0.0.845
less stable8.6120.6519.211
stable7.5131.5339.011
total17.352.42619.73
TIn/a1.4382.7274.122
critical1.4382.0323.424
less stable7.71639.2646.95
stable8.31542.9551.15
total18.81086.73105.52
URn/a0.4720.0.0.472
critical0.21000.8490.944
less stable3.1235.8158.911
stable1.6351.9303.522
total5.2178.41113.76
VDn/a2.9260.6583.523
critical5.5191.4386.916
less stable26.089.31435.26
stable35.769.51345.25
total70.0320.7990.82
VSn/a2.8273.6236.417
critical2.1315.5197.616
less stable9.41428.7738.16
stable12.91238.7651.55
total27.1876.53103.62
ZGn/a0.21000.11000.472
critical0.11000.4720.558
less stable1.8280.9392.622
stable0.7501.3332.024
total2.9192.6185.57
ZHn/a1.7350.21001.933
critical3.0240.21003.324
less stable24.270.85025.07
stable19.680.47020.08
total48.521.63550.22
Switzerlandn/a33.5822.4955.96
critical35.3730.7866.05
less stable268.52230.73499.22
stable270.62205.83476.42
total607.91489.611097.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #848969/315300
NFI4
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability %± %± %± %± %± %±
outside of perimetercritical1.70.52.90.56.11.08.81.07.31.94.80.4
less stable32.81.742.21.545.22.143.01.845.03.640.80.8
stable65.51.754.91.548.72.148.21.847.83.654.40.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical1.10.71.81.36.41.08.40.87.31.16.90.5
less stable36.83.552.54.950.42.147.61.457.82.050.01.0
stable62.13.545.74.943.22.144.01.434.91.943.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical1.60.42.80.56.30.78.50.67.30.95.70.3
less stable33.51.543.11.547.81.545.81.154.81.744.80.6
stable64.91.554.01.545.91.545.71.138.01.749.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #848970/315301
NFI1
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGn/a2.1210.0.2.121
critical2.4200.2712.619
less stable22.951.13024.05
stable19.060.35819.36
total46.321.62547.91
AIn/a0.11000.2720.358
critical0.2670.11000.357
less stable1.1271.6212.714
stable0.7300.8321.520
total2.2172.7144.97
ARn/a0.3570.2710.545
critical0.0.0.11000.1100
less stable1.5240.7362.218
stable3.1152.0195.010
total4.9103.0157.94
BEn/a4.5154.2158.710
critical5.5135.51311.09
less stable40.8441.5482.33
stable36.3527.0663.33
total87.0378.33165.41
BL/BSn/a0.9330.3571.228
critical0.4500.11000.544
less stable6.7101.0317.79
stable8.992.12111.17
total16.943.51620.42
FRn/a1.6250.9332.520
critical1.2301.5252.619
less stable8.5108.51017.06
stable12.975.41218.36
total24.2416.3640.42
GEn/a0.11000.0.0.1100
critical0.0.0.0.0.0.
less stable1.6220.0.1.622
stable1.6210.0.1.621
total3.460.0.3.46
GLn/a1.0320.9331.922
critical0.5441.0311.525
less stable2.6194.1146.710
stable2.1212.7184.813
total6.2118.7815.05
GRn/a2.7193.5176.213
critical4.4158.21112.69
less stable26.1650.7476.83
stable25.9632.2558.14
total59.1494.62153.71
JUn/a0.7380.6411.327
critical0.2710.11000.358
less stable9.592.71812.27
stable13.177.21120.35
total23.4410.7834.12
LUn/a1.8230.11001.922
critical1.2270.5411.722
less stable19.453.61523.05
stable11.782.81814.57
total34.137.01141.22
NEn/a0.8340.2711.031
critical0.11000.11000.271
less stable5.7121.0296.711
stable17.952.51920.44
total24.533.81528.42
NWn/a0.4490.3560.835
critical0.2690.3580.544
less stable1.6241.7223.314
stable1.2282.1183.315
total3.5144.5118.05
OWn/a1.0320.2711.229
critical1.0320.7381.724
less stable3.9156.11110.08
stable3.3162.7185.911
total9.189.7718.83
SGn/a1.4281.9233.317
critical1.6253.0184.614
less stable9.8916.3726.15
stable7.1119.7916.87
total19.9630.9450.82
SHn/a0.7370.0.0.737
critical0.4490.0.0.449
less stable4.9120.11005.011
stable5.6100.5446.19
total11.630.64012.22
SOn/a0.6410.11000.837
critical1.3270.2701.525
less stable17.052.02219.05
stable9.091.03110.18
total28.033.31731.42
SZn/a1.8240.9332.719
critical1.5250.5452.022
less stable4.6147.61012.37
stable4.9134.9149.89
total12.9714.0626.83
TGn/a0.6380.11000.735
critical0.5400.0.0.540
less stable8.580.8339.38
stable7.391.5238.88
total17.032.41819.42
TIn/a1.3282.7194.016
critical0.9332.6193.517
less stable7.51141.7449.24
stable9.31041.3450.64
total19.1788.32107.42
URn/a0.6410.3581.033
critical0.4500.9331.327
less stable3.0186.2109.28
stable1.3271.5252.918
total5.4129.0814.45
VDn/a2.9190.8353.716
critical4.4151.3285.713
less stable25.2610.7935.84
stable40.448.41048.83
total72.8221.2694.11
VSn/a3.5173.9167.411
critical3.0184.6147.611
less stable9.11026.5535.65
stable14.2837.6451.83
total29.8572.62102.42
ZGn/a0.2710.11000.358
critical0.2710.3570.543
less stable2.2181.0283.313
stable0.7370.9291.621
total3.3122.4165.74
ZHn/a1.9230.11002.022
critical2.0220.11002.122
less stable24.050.54524.45
stable20.950.27121.15
total48.810.93349.71
Switzerlandn/a33.8522.7756.54
critical33.5532.1665.64
less stable267.62238.02505.61
stable278.62197.42476.01
total613.41490.111103.60
© WSL, Swiss National Forest Inventory, 19.06.2020 #848971/315302
NFI2
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
critical1.7330.0.1.733
less stable16.880.94417.78
stable27.460.75028.15
total46.021.63347.62
AIn/a0.0.0.0.0.0.
critical0.0.0.0.0.0.
less stable2.1242.3194.411
stable0.21000.5570.748
total2.3232.8185.09
ARn/a0.4740.0.0.474
critical0.6510.0.0.651
less stable2.5241.9244.415
stable1.5321.2352.722
total5.0123.1188.16
BEn/a0.9450.6571.535
critical5.3184.91910.313
less stable36.7639.0675.84
stable45.2634.7679.94
total88.2379.24167.41
BL/BSn/a0.0.0.0.0.0.
critical0.4730.0.0.473
less stable4.1201.0445.118
stable11.793.12414.87
total16.264.12020.23
FRn/a0.0.0.0.0.0.
critical1.7311.3353.123
less stable13.1107.91321.07
stable12.6115.11817.78
total27.4514.3941.73
GEn/a0.0.0.0.0.0.
critical0.0.0.0.0.0.
less stable0.31000.0.0.3100
stable2.5180.0.2.518
total2.8150.0.2.815
GLn/a0.11000.5570.649
critical0.7501.0411.731
less stable2.7246.1148.811
stable2.5261.9294.419
total6.0159.41015.56
GRn/a0.7501.8312.527
critical5.81710.61316.510
less stable29.1744.7573.84
stable28.1741.6669.74
total63.7498.73162.52
JUn/a0.0.0.0.0.0.
critical0.3700.3710.750
less stable9.2125.21714.49
stable12.0106.31518.37
total21.5611.81033.32
LUn/a0.6570.0.0.657
critical4.4191.5355.916
less stable20.373.42223.76
stable9.4122.03011.311
total34.646.91541.42
NEn/a0.21000.0.0.2100
critical0.5580.0.0.558
less stable5.7151.3357.113
stable17.572.62420.16
total24.044.01927.93
NWn/a0.21000.21000.568
critical0.7491.1401.829
less stable0.7561.7322.326
stable2.7240.8513.520
total4.3173.8188.17
OWn/a0.4710.11000.558
critical0.3730.21000.559
less stable5.3167.31212.68
stable3.9201.9295.815
total10.0119.51019.43
SGn/a0.7501.6342.328
critical1.9312.5274.320
less stable10.31216.0926.36
stable10.01211.61121.68
total22.9831.6554.63
SHn/a0.0.0.0.0.0.
critical0.21000.0.0.2100
less stable3.5200.5564.018
stable8.290.0.8.29
total11.830.55612.42
SOn/a0.0.0.0.0.0.
critical1.1400.0.1.140
less stable11.1111.04112.210
stable17.272.03019.26
total29.433.12332.52
SZn/a0.9450.21001.140
critical1.8321.4353.223
less stable5.4175.51710.911
stable6.5156.41512.910
total14.5913.5928.04
TGn/a0.21000.0.0.2100
critical0.5620.11000.653
less stable6.4131.1387.512
stable10.291.13911.38
total17.342.32519.73
TIn/a0.0.0.5580.558
critical1.4356.2177.615
less stable8.01542.5550.55
stable11.61239.4651.05
total21.0988.63109.62
URn/a0.21000.3710.557
critical1.7302.6234.317
less stable2.0284.6176.613
stable2.9231.1404.019
total6.8138.61015.45
VDn/a0.21000.4710.558
critical2.3271.7314.020
less stable29.379.31338.65
stable41.0510.11251.14
total72.8321.4894.22
VSn/a0.6581.4352.030
critical3.1237.11510.213
less stable11.31236.6647.95
stable14.01132.4646.45
total29.0777.53106.52
ZGn/a0.0.0.0.0.0.
critical0.11000.3710.457
less stable1.3320.7502.024
stable1.7281.6253.315
total3.1172.6195.76
ZHn/a0.0.0.0.0.0.
critical1.4350.0.1.435
less stable17.681.04018.68
stable28.850.55829.45
total47.921.63349.41
Switzerlandn/a6.5177.61514.211
critical37.9743.0680.95
less stable254.82241.32496.11
stable329.12208.63537.71
total628.41500.511128.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #848972/315303
NFI2
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
critical1.8330.0.1.833
less stable16.491.04417.49
stable27.960.85028.76
total46.321.83348.12
AIn/a0.0.0.0.0.0.
critical0.0.0.0.0.0.
less stable2.1272.2234.312
stable0.21000.6570.848
total2.3252.8205.19
ARn/a0.4730.0.0.473
critical0.7500.0.0.750
less stable2.6261.5314.018
stable1.6341.4353.022
total5.3132.8208.16
BEn/a1.0450.6571.635
critical5.3194.6219.914
less stable36.6739.4676.04
stable44.7635.6780.34
total87.7480.24167.91
BL/BSn/a0.0.0.0.0.0.
critical0.5720.0.0.572
less stable3.7231.1444.820
stable11.993.02514.97
total16.164.12120.23
FRn/a0.0.0.0.0.0.
critical1.7331.3373.024
less stable13.1117.81420.97
stable12.3115.51817.89
total27.1514.6941.73
GEn/a0.0.0.0.0.0.
critical0.0.0.0.0.0.
less stable0.41000.0.0.4100
stable3.1130.0.3.113
total3.520.0.3.52
GLn/a0.0.0.4710.471
critical0.8501.1411.931
less stable2.7255.8158.512
stable2.2301.9314.120
total5.7179.21114.96
GRn/a0.6582.0312.628
critical5.51910.31415.811
less stable28.6844.1672.74
stable29.4842.5671.84
total64.1598.83162.92
JUn/a0.0.0.0.0.0.
critical0.4700.4710.849
less stable8.9135.01813.99
stable12.9106.21619.17
total22.1611.61133.73
LUn/a0.6570.0.0.657
critical4.1211.7355.817
less stable19.783.82223.57
stable9.1132.23011.312
total33.547.61541.22
NEn/a0.31000.0.0.3100
critical0.6580.0.0.658
less stable6.1161.4387.414
stable17.272.72520.06
total24.254.12028.33
NWn/a0.0.0.31000.3100
critical0.6580.9501.536
less stable0.8561.7342.527
stable2.9250.9503.720
total4.3183.7208.08
OWn/a0.4710.11000.559
critical0.4740.0.0.474
less stable5.4177.21312.58
stable3.7221.9315.716
total9.9119.31119.14
SGn/a0.8501.1441.932
critical1.9332.5294.421
less stable10.41316.9927.27
stable10.01311.01221.08
total23.1831.4654.53
SHn/a0.0.0.0.0.0.
critical0.21000.0.0.2100
less stable3.0240.4693.422
stable8.790.0.8.79
total11.940.46912.33
SOn/a0.0.0.0.0.0.
critical1.2400.0.1.240
less stable10.3121.24111.511
stable17.771.93319.67
total29.333.12532.32
SZn/a1.0450.21001.240
critical1.5371.6353.125
less stable5.0195.51710.611
stable6.7165.81712.610
total14.3913.2927.54
TGn/a0.21000.0.0.2100
critical0.5600.11000.652
less stable6.7131.1417.712
stable10.1101.23811.38
total17.552.42619.93
TIn/a0.0.0.6580.658
critical1.6356.7178.215
less stable7.91643.0650.95
stable11.21339.1650.35
total20.7989.43110.12
URn/a0.0.0.4720.472
critical1.7322.5264.219
less stable1.7324.9176.614
stable2.6261.0443.621
total6.0158.81114.85
VDn/a0.21000.4710.658
critical2.6271.6354.221
less stable29.379.11438.56
stable41.2610.01351.25
total73.3321.1894.52
VSn/a0.6581.4382.131
critical3.0266.6179.614
less stable11.21337.3648.55
stable13.91131.8745.85
total28.8777.13105.92
ZGn/a0.0.0.0.0.0.
critical0.11000.3710.556
less stable1.3340.6591.827
stable1.5331.8253.216
total2.9192.6185.57
ZHn/a0.0.0.0.0.0.
critical1.6350.0.1.635
less stable17.991.24119.28
stable28.860.47129.26
total48.421.63550.01
Switzerlandn/a6.4187.51613.912
critical38.4742.2780.65
less stable251.72243.02494.72
stable331.62209.33540.91
total628.11502.011130.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #848973/315304
NFI3
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical2.2300.0.2.230
less stable17.490.85018.28
stable26.361.04427.46
total45.921.83347.72
AIcritical0.0.0.0.0.0.
less stable0.0.0.21000.2100
stable2.5242.6215.210
total2.5242.8205.310
ARcritical0.0.0.21000.2100
less stable1.9300.5572.326
stable3.4212.2245.713
total5.3132.8208.16
BEcritical3.2254.2227.416
less stable35.4733.3768.84
stable52.5543.7696.13
total91.1481.24172.31
BL/BScritical0.8490.4701.139
less stable7.2150.7577.914
stable8.4133.12511.510
total16.364.12120.43
FRcritical1.1440.9442.031
less stable12.6115.11917.79
stable13.5108.61322.17
total27.2514.6941.72
GEcritical0.0.0.0.0.0.
less stable0.0.0.0.0.0.
stable3.750.0.3.75
total3.750.0.3.75
GLcritical0.5570.9441.434
less stable2.7255.1177.812
stable2.9253.3236.215
total6.2169.21115.46
GRcritical3.1255.0208.115
less stable20.11034.1754.25
stable49.2664.35113.53
total72.44103.43175.82
JUcritical2.4280.21002.627
less stable5.5184.1219.612
stable14.397.11521.46
total22.1611.41133.52
LUcritical3.9221.0454.919
less stable13.5103.22416.79
stable16.193.42319.68
total33.547.61541.22
NEcritical0.5570.0.0.557
less stable5.0190.5585.518
stable19.073.62222.55
total24.554.12028.63
NWcritical1.3421.3432.627
less stable2.2302.1284.318
stable0.7570.6581.338
total4.3184.0198.27
OWcritical0.4701.2391.733
less stable2.1314.1206.215
stable7.4143.82111.29
total9.9119.21119.04
SGcritical2.4292.2304.621
less stable5.1198.61513.711
stable15.21121.3836.55
total22.8832.0654.83
SHcritical0.5700.0.0.570
less stable3.5210.4693.920
stable7.9100.0.7.910
total11.940.46912.33
SOcritical2.3300.4722.727
less stable7.3151.2418.513
stable19.671.63521.26
total29.233.32432.52
SZcritical0.6581.0451.535
less stable4.8195.51710.311
stable10.3126.81517.18
total15.7913.3929.04
TGcritical1.9280.0.1.928
less stable6.2151.5337.813
stable9.9100.84510.89
total18.142.42620.53
TIcritical0.6582.5293.026
less stable9.41433.8743.26
stable16.21161.0477.34
total26.2897.33123.42
URcritical0.9440.4711.337
less stable2.8254.0196.814
stable3.5234.7188.213
total7.3149.01016.35
VDcritical4.4211.1415.619
less stable21.598.51529.97
stable50.8511.61262.44
total76.8321.2997.92
VScritical2.0324.2216.218
less stable11.41325.8837.26
stable21.9949.5571.44
total35.3779.53114.82
ZGcritical0.6570.0.0.657
less stable0.6460.0.0.646
stable2.0262.6184.711
total3.3172.6185.95
ZHcritical4.3210.21004.420
less stable18.090.65818.68
stable25.560.95026.36
total47.821.63549.42
Switzerlandcritical40.0727.2967.25
less stable216.33183.43399.72
stable402.82308.32711.11
total659.11518.911178.01
© WSL, Swiss National Forest Inventory, 19.06.2020 #848974/315305
NFI4
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical1.0440.0.1.044
less stable20.480.85021.27
stable23.571.04424.56
total44.921.83346.72
AIcritical0.0.0.21000.2100
less stable1.1391.2352.324
stable1.3361.4342.622
total2.3252.8205.19
ARcritical0.0.0.21000.2100
less stable3.1220.6483.719
stable2.2272.1274.316
total5.3132.8208.16
BEcritical3.2253.3246.517
less stable38.4734.6773.04
stable41.9639.6681.54
total83.5477.64161.11
BL/BScritical0.0.0.0.0.0.
less stable5.9171.6357.514
stable9.8112.23012.09
total15.763.92219.64
FRcritical1.3410.0.1.341
less stable11.9117.91419.88
stable12.7115.91718.68
total25.9513.81039.73
GEcritical0.0.0.0.0.0.
less stable0.8660.0.0.866
stable2.3250.0.2.325
total3.1130.0.3.113
GLcritical0.4710.4700.850
less stable2.6255.3177.912
stable1.8323.2235.117
total4.9188.91113.87
GRcritical3.4245.8189.214
less stable19.81040.5660.25
stable31.0744.0675.14
total54.2590.33144.52
JUcritical1.0440.21001.240
less stable9.4134.81914.210
stable10.9116.41617.48
total21.3611.41132.83
LUcritical1.9331.0452.926
less stable12.2113.92116.19
stable17.882.62720.47
total31.947.41539.43
NEcritical0.0.0.0.0.0.
less stable6.7151.2387.913
stable16.782.62619.36
total23.453.92127.33
NWcritical0.31000.7571.047
less stable2.2301.8334.019
stable1.1481.1352.229
total3.5213.7207.29
OWcritical0.0.0.5590.559
less stable4.2205.71610.010
stable4.8182.8257.613
total9.1129.01118.14
SGcritical1.1451.2412.330
less stable8.71417.1925.97
stable10.31310.31320.78
total20.1928.7648.84
SHcritical0.21000.0.0.2100
less stable3.0240.0.3.024
stable8.790.4699.08
total11.940.46912.33
SOcritical0.21000.0.0.2100
less stable10.0121.73511.811
stable18.371.33819.67
total28.533.12531.62
SZcritical0.8501.6352.428
less stable6.3166.11612.410
stable6.3164.42010.711
total13.51012.01025.54
TGcritical0.9450.0.0.945
less stable7.2141.2388.412
stable9.1111.23810.310
total17.252.42619.63
TIcritical0.8506.4177.216
less stable8.21549.7557.94
stable7.31627.4734.77
total16.31083.6399.92
URcritical0.6580.7501.337
less stable2.9244.0206.913
stable1.4373.4224.718
total4.8188.11112.96
VDcritical1.8331.0452.826
less stable23.0810.51333.56
stable42.658.71451.45
total67.5320.2987.72
VScritical2.4296.8169.214
less stable8.31535.9644.35
stable13.81131.8745.65
total24.5874.5399.02
ZGcritical0.0.0.21000.2100
less stable1.6321.0372.522
stable1.3351.3332.622
total2.9192.5205.48
ZHcritical2.0310.21002.130
less stable17.491.04518.48
stable27.860.47028.26
total47.121.63548.82
Switzerlandcritical23.0930.4853.46
less stable235.53238.42473.82
stable325.02205.63530.61
total583.41474.411057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #848975/315306
NFI3
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical2.2300.0.2.230
less stable17.090.85017.88
stable25.761.04426.86
total44.921.83346.72
AIcritical0.0.0.0.0.0.
less stable0.0.0.21000.2100
stable2.3252.6215.010
total2.3252.8205.19
ARcritical0.0.0.21000.2100
less stable1.9300.5572.326
stable3.4212.2245.713
total5.3132.8208.16
BEcritical2.8273.2256.018
less stable32.8732.1765.05
stable47.9642.3690.13
total83.5477.64161.11
BL/BScritical0.8490.4701.139
less stable7.0150.7577.714
stable7.9132.82710.810
total15.763.92219.64
FRcritical0.8500.9441.833
less stable12.2114.72016.99
stable12.9118.21421.17
total25.9513.81039.73
GEcritical0.0.0.0.0.0.
less stable0.0.0.0.0.0.
stable3.1130.0.3.113
total3.1130.0.3.113
GLcritical0.5570.7491.336
less stable2.4274.9177.213
stable2.0313.3235.317
total4.9188.91113.87
GRcritical1.9324.0225.918
less stable14.81130.0744.86
stable37.4756.3593.73
total54.2590.33144.52
JUcritical2.4280.21002.627
less stable5.1184.1219.213
stable13.9107.11521.06
total21.3611.41132.83
LUcritical3.7221.0454.720
less stable13.1113.22416.39
stable15.193.22418.48
total31.947.41539.43
NEcritical0.4710.0.0.471
less stable4.8190.5585.318
stable18.273.42221.65
total23.453.92127.33
NWcritical1.0471.0492.031
less stable2.0322.1284.118
stable0.4720.6581.143
total3.5213.7207.29
OWcritical0.4701.2391.733
less stable1.9324.1206.015
stable6.8143.72110.510
total9.1129.01118.14
SGcritical2.4292.2304.621
less stable4.5207.81512.212
stable13.21118.7831.96
total20.1928.7648.84
SHcritical0.5700.0.0.570
less stable3.5210.4693.920
stable7.9100.0.7.910
total11.940.46912.33
SOcritical2.1310.4722.628
less stable7.0151.2418.214
stable19.471.43820.86
total28.533.12531.62
SZcritical0.4711.0451.337
less stable4.8195.31710.111
stable8.2145.81714.09
total13.51012.01025.54
TGcritical1.4350.0.1.435
less stable5.9151.5337.413
stable9.9100.84510.89
total17.252.42619.63
TIcritical0.0.1.9331.933
less stable6.11828.9735.07
stable10.21352.8563.04
total16.31083.6399.92
URcritical0.5560.0.0.556
less stable1.6344.0195.616
stable2.7254.1206.814
total4.8188.11112.96
VDcritical4.0221.1415.219
less stable19.598.11527.57
stable43.9511.01355.04
total67.5320.2987.72
VScritical1.6354.0225.619
less stable7.51623.4830.97
stable15.41147.1562.54
total24.5874.5399.02
ZGcritical0.4720.0.0.472
less stable0.5560.0.0.556
stable2.0262.5204.512
total2.9192.5205.48
ZHcritical4.3210.21004.420
less stable18.090.65818.68
stable24.970.95025.76
total47.121.63548.82
Switzerlandcritical34.6723.5958.16
less stable193.83168.93362.72
stable355.12282.02637.01
total583.41474.411057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #848976/315307
NFI3
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical2.1280.0.2.128
less stable17.780.75018.48
stable26.160.94427.06
total45.921.63347.52
AIcritical0.0.0.0.0.0.
less stable0.0.0.5570.557
stable2.4232.5194.910
total2.4233.0165.48
ARcritical0.0.0.11000.1100
less stable1.8290.4572.225
stable3.7182.2236.011
total5.5122.8208.36
BEcritical3.3234.0217.415
less stable34.2733.8767.94
stable50.4545.5595.83
total87.8383.33171.11
BL/BScritical0.7490.3701.139
less stable7.0140.8507.813
stable8.7123.02511.69
total16.464.12020.53
FRcritical1.4370.8442.228
less stable11.4115.81617.18
stable13.5108.61222.17
total26.2515.3841.42
GEcritical0.0.0.0.0.0.
less stable0.0.0.0.0.0.
stable3.750.0.3.75
total3.750.0.3.75
GLcritical0.6500.8441.432
less stable3.1224.8167.911
stable3.1223.4216.514
total6.8149.01015.76
GRcritical3.2235.3188.514
less stable20.1933.9754.05
stable49.0563.54112.53
total72.24102.73175.01
JUcritical2.4270.21002.526
less stable5.7174.1209.812
stable14.496.61521.16
total22.5610.91133.42
LUcritical4.6181.0415.616
less stable13.1102.72415.98
stable16.183.22219.47
total33.847.01440.82
NEcritical0.5570.0.0.557
less stable5.1170.7505.816
stable18.963.62122.55
total24.544.31928.83
NWcritical1.1421.4362.525
less stable2.1292.5244.616
stable0.6570.6581.238
total3.8184.5168.36
OWcritical0.4701.2391.633
less stable2.1294.2196.314
stable7.8133.91911.79
total10.3119.31019.64
SGcritical2.3282.1294.420
less stable5.7178.61414.210
stable15.01021.3736.25
total23.0831.9554.93
SHcritical0.5720.0.0.572
less stable3.7200.5574.218
stable7.5100.0.7.510
total11.740.55712.23
SOcritical2.0300.4712.427
less stable7.7131.1418.712
stable19.561.83121.36
total29.233.22332.42
SZcritical0.5581.1411.633
less stable4.6185.3169.911
stable10.0127.21417.28
total15.1913.6928.73
TGcritical1.7290.0.1.729
less stable5.9141.8297.712
stable10.190.84510.99
total17.742.52320.23
TIcritical0.5582.2292.726
less stable9.11434.5643.65
stable16.01060.7476.73
total25.6897.42123.02
URcritical0.8440.3711.237
less stable3.1224.2187.313
stable3.4224.8178.112
total7.3139.31016.65
VDcritical4.1201.2385.318
less stable22.288.41430.66
stable50.0411.91161.94
total76.3321.5897.82
VScritical2.3283.8226.117
less stable12.01225.7737.76
stable22.4848.4570.84
total36.8677.93114.72
ZGcritical0.5560.0.0.556
less stable0.6460.0.0.646
stable2.2222.6184.810
total3.4152.6186.05
ZHcritical4.0200.21004.220
less stable17.090.65817.68
stable26.460.85027.16
total47.421.53548.92
Switzerlandcritical39.6726.5866.25
less stable214.73185.53400.32
stable400.82307.72708.51
total655.21519.711174.90
© WSL, Swiss National Forest Inventory, 19.06.2020 #848977/315308
NFI4
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical1.0440.0.1.044
less stable21.080.85021.87
stable23.771.04424.76
total45.721.83347.52
AIcritical0.0.0.21000.2100
less stable1.1391.2352.324
stable1.5341.4342.922
total2.5242.8205.310
ARcritical0.0.0.21000.2100
less stable3.2210.6483.918
stable2.4262.1274.415
total5.6122.8208.46
BEcritical4.6213.3247.916
less stable43.0636.3779.24
stable46.6640.6687.24
total94.2380.24174.31
BL/BScritical0.0.0.0.0.0.
less stable6.3161.6358.013
stable10.4112.52812.99
total16.764.12120.83
FRcritical1.5380.0.1.538
less stable12.3118.11420.48
stable13.5116.31619.88
total27.4514.4941.83
GEcritical0.0.0.0.0.0.
less stable0.8660.0.0.866
stable2.9190.0.2.919
total3.750.0.3.75
GLcritical0.6580.5561.140
less stable4.2205.5169.711
stable2.4283.4225.816
total7.1159.51016.66
GRcritical6.6177.51614.112
less stable29.9846.6676.44
stable40.9651.0592.04
total77.44105.03182.51
JUcritical1.0440.21001.240
less stable9.8125.01814.89
stable11.3116.41617.77
total22.1611.61133.72
LUcritical1.9331.0452.926
less stable13.3113.92117.19
stable18.082.82620.87
total33.247.61540.82
NEcritical0.0.0.0.0.0.
less stable7.1151.2388.313
stable17.572.62620.16
total24.653.92128.53
NWcritical0.5721.0471.537
less stable2.7271.8334.517
stable1.3421.1352.527
total4.5184.0198.47
OWcritical0.21000.7500.945
less stable4.6196.21510.810
stable5.6173.1248.712
total10.51110.01020.44
SGcritical1.1451.5382.528
less stable11.71218.4930.17
stable12.01211.91223.88
total24.7831.7656.53
SHcritical0.21000.0.0.2100
less stable3.0240.0.3.024
stable8.990.4699.29
total12.140.46912.53
SOcritical0.21000.0.0.2100
less stable10.4121.73512.210
stable18.971.33820.26
total29.533.12532.62
SZcritical1.0451.8332.826
less stable6.7167.11513.99
stable7.7154.71912.510
total15.5913.7929.14
TGcritical0.9450.0.0.945
less stable7.9131.2389.111
stable9.1111.23810.310
total17.942.42620.32
TIcritical2.1307.6169.714
less stable13.11257.7570.74
stable14.31132.6746.96
total29.5897.92127.42
URcritical1.0440.9441.930
less stable4.3205.1179.411
stable1.9313.4225.317
total7.2149.41016.55
VDcritical2.0311.0453.026
less stable26.2810.91337.16
stable48.159.21457.34
total76.4321.0997.42
VScritical4.0228.21512.212
less stable15.31138.3653.65
stable20.9934.4655.35
total40.2681.03121.12
ZGcritical0.0.0.21000.2100
less stable1.8291.0372.821
stable1.7291.3333.020
total3.5152.5206.05
ZHcritical2.4290.21002.527
less stable17.891.04518.88
stable28.860.47029.25
total48.921.63550.51
Switzerlandcritical32.7835.9768.65
less stable277.42261.32538.72
stable370.42225.03595.41
total680.51522.211202.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #848978/315309
NFI2
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
critical1.8330.0.1.833
less stable16.291.04417.29
stable26.760.85027.56
total44.921.83346.72
AIn/a0.0.0.0.0.0.
critical0.0.0.0.0.0.
less stable2.1272.2234.312
stable0.21000.6570.848
total2.3252.8205.19
ARn/a0.4730.0.0.473
critical0.7500.0.0.750
less stable2.6261.5314.018
stable1.6341.4353.022
total5.3132.8208.16
BEn/a1.0450.6571.635
critical5.2194.4219.614
less stable35.0737.6772.54
stable42.3635.0777.44
total83.5477.64161.11
BL/BSn/a0.0.0.0.0.0.
critical0.5720.0.0.572
less stable3.3240.9504.221
stable11.993.02514.97
total15.763.92219.64
FRn/a0.0.0.0.0.0.
critical1.7331.3373.024
less stable12.7117.61420.38
stable11.5124.91916.49
total25.9513.81039.73
GEn/a0.0.0.0.0.0.
critical0.0.0.0.0.0.
less stable0.41000.0.0.4100
stable2.7190.0.2.719
total3.1130.0.3.113
GLn/a0.0.0.4710.471
critical0.8501.1411.931
less stable1.9305.6167.612
stable2.2301.8333.921
total4.9188.91113.87
GRn/a0.4712.0312.429
critical3.9229.51413.412
less stable24.5841.2665.74
stable25.3837.7663.05
total54.2590.33144.52
JUn/a0.0.0.0.0.0.
critical0.4700.4710.849
less stable8.7135.01813.79
stable12.3116.01718.37
total21.3611.41132.83
LUn/a0.6570.0.0.657
critical3.9211.7355.618
less stable19.183.82222.97
stable8.3142.03110.312
total31.947.41539.43
NEn/a0.31000.0.0.3100
critical0.6580.0.0.658
less stable6.1161.4387.414
stable16.482.52618.97
total23.453.92127.33
NWn/a0.0.0.31000.3100
critical0.6580.9501.536
less stable0.8561.7342.527
stable2.1310.9503.024
total3.5213.7207.29
OWn/a0.4710.11000.559
critical0.4740.0.0.474
less stable5.0186.91411.98
stable3.3231.9315.317
total9.1129.01118.14
SGn/a0.8500.8491.734
critical1.7352.1323.823
less stable9.31415.71025.17
stable8.3159.91318.39
total20.1928.7648.84
SHn/a0.0.0.0.0.0.
critical0.21000.0.0.2100
less stable3.0240.4693.422
stable8.790.0.8.79
total11.940.46912.33
SOn/a0.0.0.0.0.0.
critical1.0440.0.1.044
less stable10.0121.24111.111
stable17.571.93319.47
total28.533.12531.62
SZn/a1.0450.21001.240
critical1.3401.6352.926
less stable5.0194.9199.912
stable6.1175.31811.411
total13.51012.01025.54
TGn/a0.21000.0.0.2100
critical0.5600.11000.652
less stable6.7131.1417.712
stable9.8101.23811.09
total17.252.42619.63
TIn/a0.0.0.6580.658
critical1.2416.3187.516
less stable6.41740.3646.65
stable8.71536.4645.25
total16.31083.6399.92
URn/a0.0.0.4720.472
critical1.5342.3273.820
less stable1.3364.5175.815
stable2.1300.8492.924
total4.8188.11112.96
VDn/a0.21000.4710.658
critical2.4291.6354.022
less stable27.378.81436.16
stable37.569.41446.95
total67.5320.2987.72
VSn/a0.6581.2411.933
critical3.0266.6179.614
less stable9.21436.4645.65
stable11.71230.2741.96
total24.5874.5399.02
ZGn/a0.0.0.0.0.0.
critical0.11000.11000.367
less stable1.3340.6591.827
stable1.5331.8253.216
total2.9192.5205.48
ZHn/a0.0.0.0.0.0.
critical1.4380.0.1.438
less stable17.791.24119.08
stable28.060.47128.46
total47.121.63548.82
Switzerlandn/a6.2187.11713.312
critical34.7740.1774.85
less stable235.63231.33466.92
stable307.02195.93502.82
total583.41474.411057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #848979/315310
NFI3
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical2.2300.0.2.230
less stable17.290.85018.08
stable26.361.04427.46
total45.721.83347.52
AIcritical0.0.0.0.0.0.
less stable0.0.0.21000.2100
stable2.5242.6215.210
total2.5242.8205.310
ARcritical0.0.0.21000.2100
less stable1.9300.5572.326
stable3.4212.2245.713
total5.3132.8208.16
BEcritical3.0263.6236.617
less stable34.8732.5767.44
stable51.5543.5695.03
total89.3479.64168.91
BL/BScritical0.8490.4701.139
less stable7.2150.7577.914
stable8.4133.12511.510
total16.364.12120.43
FRcritical1.1440.9442.031
less stable12.6114.91917.59
stable13.3118.61321.97
total27.0514.4941.43
GEcritical0.0.0.0.0.0.
less stable0.0.0.0.0.0.
stable3.750.0.3.75
total3.750.0.3.75
GLcritical0.5570.9441.434
less stable2.7255.1177.812
stable2.7263.3236.016
total6.0169.21115.26
GRcritical3.1255.0208.115
less stable19.11033.7752.85
stable47.6663.05110.53
total69.85101.73171.52
JUcritical2.4280.21002.627
less stable5.3184.1219.413
stable14.397.11521.46
total21.9611.41133.43
LUcritical3.9221.0454.919
less stable13.3113.22416.59
stable15.593.42319.08
total32.847.61540.42
NEcritical0.5570.0.0.557
less stable4.8190.5585.318
stable18.873.42222.15
total24.153.92128.03
NWcritical1.3421.3432.627
less stable2.2302.1284.318
stable0.7570.6581.338
total4.3184.0198.27
OWcritical0.4701.2391.733
less stable2.1314.1206.215
stable7.4143.82111.29
total9.9119.21119.04
SGcritical2.4292.2304.621
less stable5.1198.21513.411
stable14.81120.5835.35
total22.4830.9653.33
SHcritical0.5700.0.0.570
less stable3.5210.4693.920
stable7.9100.0.7.910
total11.940.46912.33
SOcritical2.3300.4722.727
less stable7.1151.2418.314
stable19.671.43821.06
total29.033.12532.12
SZcritical0.6581.0451.535
less stable4.8195.51710.311
stable9.8136.81516.78
total15.3913.3928.54
TGcritical1.9280.0.1.928
less stable5.9151.5337.413
stable9.9100.84510.89
total17.742.42620.12
TIcritical0.6582.3302.827
less stable8.81533.0741.86
stable16.21160.4476.64
total25.6895.73121.32
URcritical0.9440.4711.337
less stable2.4274.0196.414
stable3.5234.7188.213
total6.8159.01015.86
VDcritical4.2211.1415.419
less stable21.398.31529.67
stable49.2511.41260.64
total74.7320.8995.62
VScritical1.8334.2216.018
less stable11.21325.8837.06
stable21.3949.5570.84
total34.3779.53113.82
ZGcritical0.6570.0.0.657
less stable0.6460.0.0.646
stable2.0262.5204.512
total3.3172.5205.76
ZHcritical4.3210.21004.420
less stable18.090.65818.68
stable25.560.95026.36
total47.821.63549.42
Switzerlandcritical39.4726.4965.85
less stable212.03180.73392.72
stable396.02304.62700.61
total647.41511.711159.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #848980/315311
NFI4
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical1.0440.0.1.044
less stable21.080.85021.87
stable23.771.04424.76
total45.721.83347.52
AIcritical0.0.0.21000.2100
less stable1.1391.2352.324
stable1.5341.4342.922
total2.5242.8205.310
ARcritical0.0.0.21000.2100
less stable3.1220.6483.719
stable2.2272.1274.316
total5.3132.8208.16
BEcritical4.2223.3247.516
less stable41.6635.9777.44
stable43.6640.4684.04
total89.3479.64168.91
BL/BScritical0.0.0.0.0.0.
less stable6.1161.6357.814
stable10.2112.52812.79
total16.364.12120.43
FRcritical1.5380.0.1.538
less stable12.3118.11420.48
stable13.1116.31619.48
total27.0514.4941.43
GEcritical0.0.0.0.0.0.
less stable0.8660.0.0.866
stable2.9190.0.2.919
total3.750.0.3.75
GLcritical0.6580.5561.140
less stable3.4225.3178.712
stable2.0313.4225.417
total6.0169.21115.26
GRcritical5.8187.31613.112
less stable26.3845.0671.24
stable37.7749.4587.24
total69.85101.73171.52
JUcritical1.0440.21001.240
less stable9.8124.81914.69
stable11.1116.41617.67
total21.9611.41133.43
LUcritical1.9331.0452.926
less stable12.9113.92116.79
stable18.082.82620.87
total32.847.61540.42
NEcritical0.0.0.0.0.0.
less stable6.9151.2388.113
stable17.282.62619.96
total24.153.92128.03
NWcritical0.31001.0471.340
less stable2.7271.8334.517
stable1.3421.1352.527
total4.3184.0198.27
OWcritical0.0.0.5590.559
less stable4.6195.71610.410
stable5.2182.9248.213
total9.9119.21119.04
SGcritical1.1451.2412.330
less stable10.21317.8928.07
stable11.11311.91223.08
total22.4830.9653.33
SHcritical0.21000.0.0.2100
less stable3.0240.0.3.024
stable8.790.4699.08
total11.940.46912.33
SOcritical0.21000.0.0.2100
less stable10.2121.73512.011
stable18.771.33820.06
total29.033.12532.12
SZcritical1.0451.8332.826
less stable6.7166.91513.79
stable7.5154.62012.111
total15.3913.3928.54
TGcritical0.9450.0.0.945
less stable7.7131.2388.911
stable9.1111.23810.310
total17.742.42620.12
TIcritical1.7337.4169.114
less stable11.31356.7568.04
stable12.51231.6744.26
total25.6895.73121.32
URcritical1.0440.7501.732
less stable3.9214.9178.812
stable1.9313.4225.317
total6.8159.01015.86
VDcritical2.0311.0453.026
less stable25.6810.71336.36
stable47.159.21456.34
total74.7320.8995.62
VScritical3.6237.61611.213
less stable12.81238.0650.85
stable17.81034.0751.85
total34.3779.53113.82
ZGcritical0.0.0.21000.2100
less stable1.8291.0372.821
stable1.5321.3332.721
total3.3172.5205.76
ZHcritical2.2300.21002.329
less stable17.691.04518.68
stable28.060.47028.46
total47.821.63549.42
Switzerlandcritical30.1834.2764.35
less stable263.42255.82519.32
stable353.92221.63575.51
total647.41511.711159.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #848981/315312
NFI1
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a12.5125.8184.0231.8331.8331.04527.09
critical19.4105.3193.4241.9333.2251.24134.57
less stable156.1341.6621.899.21422.498.915260.12
stable166.2328.6820.5911.71323.199.014259.12
total354.3181.4449.7524.5850.6520.19580.61
inside perimetern/a2.7275.2193.4243.2252.4292.52819.410
critical2.4297.0175.0205.5196.5173.22529.68
less stable21.0955.6534.8728.3734.6750.95225.33
stable31.7837.2722.3937.5627.1846.45202.23
total57.85105.0365.5474.5370.74103.03476.51
totaln/a15.31111.0137.4165.0204.2223.52346.46
critical21.7912.4128.4157.4169.8144.42164.05
less stable177.2397.3356.7537.5657.1559.75485.42
stable197.9265.8542.8649.1550.3555.55461.32
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #848982/315313
NFI1
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a13.686.6125.9133.5172.6201.42733.75
critical16.085.4133.9163.0184.3151.03233.55
less stable160.8241.7422.669.11024.069.710267.82
stable177.5232.2520.0714.2824.8610.510279.22
total367.9185.9352.3429.8555.8422.66614.21
inside perimetern/a2.4205.4134.7153.9163.1183.11822.67
critical1.9238.9105.8134.6146.7124.11532.16
less stable21.7760.1337.0426.5536.6555.73237.72
stable29.1635.0521.9637.6427.5645.94196.92
total55.14109.3269.5372.6274.03108.82489.21
totaln/a16.0812.0910.6107.4115.7134.51556.24
critical17.9714.389.6107.61111.195.11465.64
less stable182.52101.8259.6335.6560.7365.43505.51
stable206.6267.2341.9451.8352.3456.43476.11
total422.90195.21121.81102.42129.71131.411103.50
© WSL, Swiss National Forest Inventory, 19.06.2020 #848983/315314
NFI2
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a1.3381.5352.3280.6580.7500.0.6.317
critical12.3129.0146.2163.1235.3181.93037.87
less stable139.6342.1625.5811.31228.079.214255.62
stable211.8238.0622.5814.01125.1814.910326.22
total365.0190.5456.5529.0759.1526.08626.01
inside perimetern/a0.0.1.3382.5261.4351.6330.7507.515
critical1.6339.6138.1147.1159.4137.41543.16
less stable24.6857.0537.3636.6637.4649.65242.62
stable30.9741.3623.6832.4628.6752.35209.13
total57.15109.2371.5477.5377.13110.02502.31
totaln/a1.3382.8254.8192.0302.3270.75013.911
critical13.91118.6914.31110.21314.7119.31380.95
less stable164.2399.1362.8447.9565.4458.84498.21
stable242.7279.2446.1546.4553.7567.24535.31
total422.11199.71128.02106.42136.12136.021128.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #848984/315315
NFI2
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a1.4381.4382.2300.6580.4710.0.6.118
critical12.2138.9155.6183.0263.7231.43834.87
less stable135.6337.9722.799.21423.997.216236.43
stable204.9233.2719.21011.71222.7911.613303.32
total354.3181.4449.7524.5850.6520.19580.61
inside perimetern/a0.0.1.5381.8331.2411.8330.8507.117
critical1.6358.7157.4166.6178.0157.71640.07
less stable25.0954.4535.3636.4634.6746.75232.53
stable31.2840.4621.1930.2726.3847.75196.93
total57.85105.0365.5474.5370.74103.03476.51
totaln/a1.4382.9264.0221.9332.2300.85013.212
critical13.81217.71013.0129.61411.7139.11474.95
less stable160.7392.3457.9545.6558.5553.95468.82
stable236.1273.6440.3641.9648.9559.35500.22
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #848985/315316
NFI1
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a14.1126.5185.8182.8272.4291.63533.18
critical19.6105.3193.8232.1313.4241.43835.77
less stable157.9343.3622.299.41423.999.814266.62
stable170.4330.6821.1912.91224.5810.214269.72
total362.0185.7452.9527.1854.3523.09605.01
inside perimetern/a2.7275.8183.8233.6233.2253.32422.49
critical2.4297.6165.4195.5196.5173.22530.68
less stable21.2957.4536.6628.7735.0752.85231.83
stable32.3838.4722.5938.7627.9847.25207.03
total58.65109.3368.3476.5372.74106.52491.91
totaln/a16.81112.2139.6146.4175.6194.92055.66
critical21.9913.0129.2147.61610.0144.62166.35
less stable179.23100.8358.8538.1658.9562.74498.42
stable202.7269.0543.6651.5552.5557.45476.72
total420.61194.91121.32103.62127.02129.521096.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #848986/315317
NFI3
forest area
protection forest perimeter SilvaProtect · stand stability
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetercritical23.794.4212.6271.6351.9320.0.34.27
less stable117.1432.1714.7117.51613.9127.116192.43
stable213.5244.9632.5715.41134.8713.012354.02
total354.3181.4449.7524.5850.6520.19580.61
inside perimetercritical3.1256.3174.2224.0222.4293.42423.49
less stable19.01046.1622.2923.4822.4936.76169.73
stable35.7752.6539.1647.1546.0562.94283.42
total57.85105.0365.5474.5370.74103.03476.51
totalcritical26.8810.8136.8175.6194.3213.42457.66
less stable136.1378.2436.8630.9736.3743.86362.12
stable249.2297.4371.6462.5480.8375.94637.41
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #848987/315318
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