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NFI2
forest area
stand stability · stand age (classes of 40 years)
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
stand stability
n/acriticalless stablestabletotal
cantonstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.8505.1186.01711.911
41-800.0.0.0.4.0228.01412.011
81-1200.0.0.8496.21610.51217.58
121-1600.0.0.21001.8332.6274.520
over 1600.0.0.0.0.21000.21000.471
uneven-aged0.0.0.0.0.21001.4381.635
total0.21001.83317.4928.7648.12
AI0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.0.4680.0.0.468
41-800.0.0.0.1.2360.21001.434
81-1200.0.0.0.1.1290.21001.329
121-1600.0.0.0.0.6570.0.0.657
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.1.0440.4681.436
total0.0.0.0.4.3120.8485.19
AR0 (unstocked)0.4730.0.0.0.0.0.0.473
1-400.0.0.0.0.21000.8491.043
41-800.0.0.31001.0450.4731.634
81-1200.0.0.3691.8290.8402.919
121-1600.0.0.0.0.4730.21000.659
over 1600.0.0.0.0.21000.0.0.2100
uneven-aged0.0.0.21000.5580.8511.535
total0.4730.7504.0183.0228.16
BE0 (unstocked)1.6350.0.0.0.0.0.1.635
1-400.0.1.83311.4138.31521.49
41-800.0.1.43811.71311.71324.88
81-1200.0.3.22526.1821.4950.75
121-1600.0.2.72712.31215.61130.67
over 1600.0.0.21003.7235.4199.314
uneven-aged0.0.0.65810.91317.91029.48
total1.6359.91476.0480.34167.91
BL/BS0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.1.1441.3402.528
41-800.0.0.0.0.0.3.1243.124
81-1200.0.0.21002.0336.6158.812
121-1600.0.0.0.1.1452.9254.021
over 1600.0.0.0.0.4710.7581.145
uneven-aged0.0.0.31000.21000.21000.758
total0.0.0.5724.82014.9720.23
FR0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.5574.0223.3257.814
41-800.0.0.6584.7203.2258.514
81-1200.0.1.0457.6155.61814.210
121-1600.0.0.0.2.2302.3284.520
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.9452.4273.4256.816
total0.0.3.02420.9717.8941.73
GE0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.0.0.0.8660.866
41-800.0.0.0.0.41001.6402.032
81-1200.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.8660.866
uneven-aged0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.41003.1133.52
GL0 (unstocked)0.4710.0.0.0.0.0.0.471
1-400.0.0.4712.4260.8493.621
41-800.0.0.0.1.2400.5581.832
81-1200.0.0.5551.2400.4712.128
121-1600.0.0.21001.2390.8502.228
over 1600.0.0.8500.9490.8502.428
uneven-aged0.0.0.0.1.7320.8502.526
total0.4711.9318.5124.12014.96
GR0 (unstocked)2.6280.0.0.0.0.0.2.628
1-400.0.6.41711.41311.01328.88
41-800.0.1.2416.4174.02211.513
81-1200.0.1.2418.1157.11716.410
121-1600.0.2.23014.41113.01229.57
over 1600.0.4.42121.5918.31044.26
uneven-aged0.0.0.47110.91318.51029.98
total2.62815.81172.7471.84162.92
JU0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.21003.2241.8335.218
41-800.0.0.4704.1215.1189.512
81-1200.0.0.21003.9215.5189.612
121-1600.0.0.0.1.6353.1244.719
over 1600.0.0.0.0.0.0.21000.2100
uneven-aged0.0.0.0.1.2403.5224.719
total0.0.0.84913.9919.1733.73
LU0 (unstocked)0.6570.0.0.0.0.0.0.657
1-400.0.0.5563.2242.5276.216
41-800.0.1.0453.2242.6276.916
81-1200.0.2.62711.9113.62318.18
121-1600.0.1.1443.2240.21004.420
over 1600.0.0.0.0.21000.4710.658
uneven-aged0.0.0.6571.8332.0314.420
total0.6575.81723.5711.31241.22
NE0 (unstocked)0.31000.0.0.0.0.0.0.3100
1-400.0.0.21000.5571.5332.227
41-800.0.0.21001.2370.8432.226
81-1200.0.0.0.2.1296.2168.413
121-1600.0.0.21002.5276.1178.813
over 1600.0.0.0.0.21000.6580.850
uneven-aged0.0.0.0.0.8444.7195.617
total0.31000.6587.41420.0628.33
NW0 (unstocked)0.31000.0.0.0.0.0.0.3100
1-400.0.0.0.0.31000.8561.047
41-800.0.0.6580.31000.9501.833
81-1200.0.0.21000.9500.8531.932
121-1600.0.0.0.1.1450.0.1.145
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.7590.0.1.3432.033
total0.31001.5362.5273.7208.08
OW0 (unstocked)0.5590.0.0.0.0.0.0.559
1-400.0.0.0.2.3251.0453.321
41-800.0.0.21002.9250.3723.522
81-1200.0.0.0.3.1241.2414.219
121-1600.0.0.0.0.8490.21001.044
over 1600.0.0.11002.2301.9324.220
uneven-aged0.0.0.0.1.2411.1402.328
total0.5590.47412.585.71619.14
SG0 (unstocked)1.9320.0.0.0.0.0.1.932
1-400.0.0.8505.7182.5279.014
41-800.0.0.21005.8184.42110.413
81-1200.0.1.2417.3157.91516.49
121-1600.0.0.9501.4383.4245.718
over 1600.0.0.6581.7350.6562.926
uneven-aged0.0.0.7575.4192.1328.215
total1.9324.42127.2721.0854.53
SH0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.1.4381.8313.221
41-800.0.0.0.1.1442.3283.422
81-1200.0.0.21000.9413.7204.815
121-1600.0.0.0.0.0.0.9490.949
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.
total0.0.0.21003.4228.7912.33
SO0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.21002.7282.5285.418
41-800.0.0.21002.2294.7197.115
81-1200.0.0.7574.9196.51612.110
121-1600.0.0.21001.5334.5206.216
over 1600.0.0.0.0.0.0.21000.2100
uneven-aged0.0.0.0.0.21001.1411.337
total0.0.1.24011.51119.6732.32
SZ0 (unstocked)1.2400.0.0.0.0.0.1.240
1-400.0.0.8491.8331.6354.220
41-800.0.0.4702.0312.2294.619
81-1200.0.0.8502.5283.5236.715
121-1600.0.0.4691.7321.9314.120
over 1600.0.0.4711.3380.7502.527
uneven-aged0.0.0.21001.2412.7264.121
total1.2403.12510.61112.61027.54
TG0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.5602.9212.0255.313
41-800.0.0.0.1.5353.2224.718
81-1200.0.0.11002.8253.8206.814
121-1600.0.0.0.0.5601.2391.732
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.1.1411.141
total0.21000.6527.71211.3819.93
TI0 (unstocked)0.6580.0.0.0.0.0.0.658
1-400.0.4.32118.11011.91234.37
41-800.0.1.24112.41211.51325.18
81-1200.0.0.7583.6245.5199.714
121-1600.0.0.4713.7234.8208.914
over 1600.0.0.6583.0262.0325.619
uneven-aged0.0.1.04510.11414.81125.98
total0.6588.21550.9550.35110.12
UR0 (unstocked)0.4720.0.0.0.0.0.0.472
1-400.0.1.7320.6581.8324.119
41-800.0.0.4711.7320.21002.327
81-1200.0.0.8500.8500.4712.031
121-1600.0.0.6570.9440.0.1.534
over 1600.0.0.8491.7320.4692.924
uneven-aged0.0.0.0.0.8490.8491.634
total0.4724.2196.6143.62114.85
VD0 (unstocked)0.6580.0.0.0.0.0.0.658
1-400.0.0.8505.2187.71513.811
41-800.0.1.2418.0158.31517.510
81-1200.0.1.04511.31213.01125.38
121-1600.0.0.21006.0189.91416.110
over 1600.0.0.4702.7275.2198.315
uneven-aged0.0.0.6585.1197.11612.812
total0.6584.22138.5651.2594.52
VS0 (unstocked)2.1310.0.0.0.0.0.2.131
1-400.0.2.42910.8136.41719.79
41-800.0.1.5356.0186.51714.111
81-1200.0.1.0455.9186.91613.711
121-1600.0.1.0456.1175.41912.512
over 1600.0.1.7338.7147.31617.710
uneven-aged0.0.2.03211.01313.21226.18
total2.1319.61448.5545.85105.92
ZG0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.0.8491.2391.927
41-800.0.0.21000.0.0.6570.847
81-1200.0.0.3670.4721.1351.828
121-1600.0.0.0.0.11000.0.0.1100
over 1600.0.0.0.0.21000.0.0.2100
uneven-aged0.0.0.0.0.4720.4670.750
total0.0.0.5561.8273.2165.57
ZH0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.21004.0216.71510.911
41-800.0.0.21003.4244.7208.314
81-1200.0.0.7578.71412.91122.27
121-1600.0.0.21002.1312.9265.219
over 1600.0.0.0.0.0.0.4700.470
uneven-aged0.0.0.4711.1411.6353.125
total0.0.1.63519.2829.2650.01
Switzerland0 (unstocked)13.9120.0.0.0.0.0.13.912
1-400.0.22.6999.3486.05207.93
41-800.0.11.31386.4591.14188.83
81-1200.0.17.511125.14134.94277.52
121-1600.0.10.41467.2581.95159.43
over 1600.0.10.21448.7646.26105.04
uneven-aged0.0.8.61668.05100.84177.53
total13.91280.65494.72540.911130.11
© WSL, Swiss National Forest Inventory, 25.06.2020 #793961/260293
NFI4
forest area
stand stability · stand age (classes of 40 years)
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
stand stability
criticalless stablestabletotal
cantonstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0 (unstocked)0.21000.0.0.21000.471
1-400.21007.8136.41614.48
41-800.4713.6236.71610.712
81-1200.0.5.4177.61413.09
121-1600.0.2.0311.8333.822
over 1600.0.0.6580.0.0.658
uneven-aged0.21001.8321.8333.822
total1.04421.2724.5646.72
AI0 (unstocked)0.0.0.0.0.21000.2100
1-400.0.0.4680.0.0.468
41-800.21000.4710.21000.848
81-1200.0.0.7471.1381.826
121-1600.0.0.6570.4720.942
over 1600.0.0.0.0.21000.2100
uneven-aged0.0.0.21000.6570.849
total0.21002.3242.6225.19
AR0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.8420.6581.432
41-800.0.1.3390.0.1.339
81-1200.21000.8492.6193.615
121-1600.0.0.5550.4730.944
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.31000.7561.046
total0.21003.7194.3168.16
BE0 (unstocked)0.4711.7352.1314.122
1-401.83312.61214.71129.07
41-801.04510.01410.41321.49
81-1201.04514.01117.61032.67
121-1600.65811.01311.51323.18
over 1600.0.4.7203.9228.715
uneven-aged1.83319.11021.4942.26
total6.51773.0481.54161.11
BL/BS0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.2.8231.3394.116
41-800.0.0.7483.3234.020
81-1200.0.2.9263.3246.315
121-1600.0.0.7572.4303.025
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.4701.8352.131
total0.0.7.51412.0919.64
FR0 (unstocked)0.0.0.21001.3401.537
1-400.31005.7183.6239.612
41-800.0.4.9193.8228.713
81-1200.5725.1194.81910.312
121-1600.21001.1411.4382.726
over 1600.0.0.0.0.7490.749
uneven-aged0.4712.8263.1256.317
total1.34119.8818.6839.73
GE0 (unstocked)0.0.0.0.0.41000.4100
1-400.0.0.0.0.0.0.0.
41-800.0.0.41001.2501.640
81-1200.0.0.41000.8661.250
121-1600.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.8662.3253.113
GL0 (unstocked)0.0.0.0.0.0.0.0.
1-400.21002.1290.5572.824
41-800.21001.0440.7501.931
81-1200.0.0.7481.0441.731
121-1600.21001.8320.4712.427
over 1600.21000.4690.9471.535
uneven-aged0.0.1.9311.6353.422
total0.8507.9125.11713.87
GR0 (unstocked)0.8501.0452.2304.122
1-402.5287.6165.91815.911
41-802.7269.1146.81718.610
81-1201.0457.4169.91418.410
121-1601.04511.51212.51225.08
over 1600.21008.21514.41122.88
uneven-aged1.04515.41123.3939.76
total9.21460.2575.14144.52
JU0 (unstocked)0.0.0.0.0.0.0.0.
1-400.4713.0241.4364.818
41-800.21002.5273.2245.917
81-1200.21003.7225.2179.012
121-1600.0.1.4372.7264.121
over 1600.0.0.4700.0.0.470
uneven-aged0.4713.3234.9198.613
total1.24014.21017.4832.83
LU0 (unstocked)0.4700.0.0.4710.849
1-400.6574.1204.4199.111
41-800.4712.0312.8265.218
81-1200.4703.4234.9188.712
121-1600.7572.4282.6275.617
over 1600.0.0.21000.21000.471
uneven-aged0.4714.1215.1199.612
total2.92616.1920.4739.43
NE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.2.1290.6562.624
41-800.0.0.9441.3412.230
81-1200.0.1.4383.1244.419
121-1600.0.1.2414.7196.016
over 1600.0.0.21000.9431.139
uneven-aged0.0.2.2288.81311.011
total0.0.7.91319.3627.33
NW0 (unstocked)0.31000.0.0.0.0.3100
1-400.7570.7570.0.1.537
41-800.0.1.2430.7561.933
81-1200.0.0.9480.8481.732
121-1600.0.0.4720.0.0.472
over 1600.0.0.31000.0.0.3100
uneven-aged0.0.0.5670.7591.242
total1.0474.0192.2297.29
OW0 (unstocked)0.0.0.0.0.8490.849
1-400.0.1.8300.9432.723
41-800.0.0.4551.1441.535
81-1200.0.1.3400.21001.537
121-1600.0.2.7251.3374.019
over 1600.0.1.0450.4711.437
uneven-aged0.5592.7263.0246.215
total0.55910.0107.61318.14
SG0 (unstocked)0.21000.4710.6581.241
1-401.0456.1172.6279.813
41-800.21003.6231.7345.518
81-1200.21005.8177.01612.910
121-1600.0.3.9223.3247.215
over 1600.0.0.4711.6351.931
uneven-aged0.7575.7184.02310.313
total2.33025.9720.7848.84
SH0 (unstocked)0.0.0.0.0.0.0.0.
1-400.21001.4381.2422.824
41-800.0.1.0442.8253.820
81-1200.0.0.21003.3223.521
121-1600.0.0.0.1.6331.633
over 1600.0.0.21000.21000.469
uneven-aged0.0.0.21000.0.0.2100
total0.21003.0249.0812.33
SO0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.3.3232.8266.016
41-800.0.2.7273.6236.316
81-1200.0.3.0246.6159.611
121-1600.0.1.6373.6215.218
over 1600.0.0.0.0.6580.658
uneven-aged0.21001.2412.4283.822
total0.210011.81119.6731.62
SZ0 (unstocked)0.6580.21000.21000.945
1-400.8492.7250.6584.120
41-800.4712.5281.0453.821
81-1200.21003.0253.4226.614
121-1600.3702.3272.6265.317
over 1600.0.0.6581.1411.733
uneven-aged0.0.1.3401.8333.125
total2.42812.41010.71125.54
TG0 (unstocked)0.0.0.0.0.0.0.0.
1-400.6582.8232.9216.311
41-800.3701.4331.3352.921
81-1200.0.2.4283.6205.914
121-1600.0.0.4701.6342.029
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.1.4361.0372.525
total0.9458.41210.31019.63
TI0 (unstocked)0.0.0.4700.21000.658
1-401.7336.7172.23010.613
41-803.32521.398.61533.17
81-1200.21004.7213.5238.515
121-1600.21004.7212.5277.416
over 1600.0.3.6234.8208.415
uneven-aged1.83316.51012.91231.37
total7.21657.9434.7799.92
UR0 (unstocked)0.0.0.0.0.0.0.0.
1-400.7501.1400.3702.227
41-800.0.1.5361.2402.726
81-1200.0.0.0.0.9490.949
121-1600.21000.6560.4711.238
over 1600.21000.8490.8481.730
uneven-aged0.21002.9241.1404.219
total1.3376.9134.71812.96
VD0 (unstocked)0.0.0.21000.6580.850
1-401.2417.2167.21615.610
41-800.21005.4187.61513.211
81-1200.4714.42010.31315.110
121-1600.21005.4187.61513.211
over 1600.21003.8234.6208.615
uneven-aged0.6587.11613.51121.29
total2.82633.5651.4587.72
VS0 (unstocked)0.6580.6581.6352.926
1-402.7266.1182.72711.613
41-802.2308.4156.11716.710
81-1200.4714.2214.2228.714
121-1601.3376.4173.92211.512
over 1600.6586.9166.21713.611
uneven-aged1.43811.81220.9934.17
total9.21444.3545.6599.02
ZG0 (unstocked)0.0.0.11000.0.0.1100
1-400.0.0.8410.7501.528
41-800.0.0.21000.6560.848
81-1200.21000.8470.4671.333
121-1600.0.0.0.0.3710.371
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.6560.6591.238
total0.21002.5222.6225.48
ZH0 (unstocked)0.21000.0.0.0.0.2100
1-401.5356.9155.31713.78
41-800.21003.3235.4188.914
81-1200.0.5.21912.51117.68
121-1600.0.1.4382.5293.922
over 1600.0.0.0.0.0.0.0.
uneven-aged0.21001.7352.6274.521
total2.13018.4828.2648.82
Switzerland0 (unstocked)3.7244.82010.81419.310
1-4017.21196.4468.75182.43
41-8011.71389.7581.85183.33
81-1204.92181.65118.44204.83
121-1604.82064.0571.95140.73
over 1601.43832.2841.5775.15
uneven-aged9.714105.14137.54252.32
total53.46473.82530.611057.81
© WSL, Swiss National Forest Inventory, 25.06.2020 #793962/260294
NFI2
forest area
stand stability · stand age (classes of 40 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
stand stability
n/acriticalless stablestabletotal
cantonstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.7505.6176.01612.310
41-800.0.0.0.4.3207.51411.811
81-1200.0.0.7505.81610.91117.58
121-1600.0.0.21001.6332.3274.120
over 1600.0.0.0.0.21000.21000.471
uneven-aged0.0.0.0.0.21001.3381.435
total0.21001.73317.7828.1547.62
AI0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.0.6480.0.0.648
41-800.0.0.0.1.0370.21001.135
81-1200.0.0.0.1.2280.21001.327
121-1600.0.0.0.0.5570.0.0.557
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.1.2360.3691.531
total0.0.0.0.4.4110.7485.09
AR0 (unstocked)0.4740.0.0.0.0.0.0.474
1-400.0.0.0.0.3670.7501.039
41-800.0.0.21001.1410.4741.731
81-1200.0.0.3692.0260.6412.918
121-1600.0.0.0.0.4740.11000.560
over 1600.0.0.0.0.11000.0.0.1100
uneven-aged0.0.0.11000.6500.9461.632
total0.4740.6514.4152.7228.16
BE0 (unstocked)1.5350.0.0.0.0.0.1.535
1-400.0.1.83211.8128.41422.08
41-800.0.1.63311.81212.11225.58
81-1200.0.3.62225.7820.6949.85
121-1600.0.2.62612.21215.71030.57
over 1600.0.0.21004.0215.2189.413
uneven-aged0.0.0.55810.31317.9928.77
total1.53510.31375.8479.94167.41
BL/BS0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.1.2401.4372.626
41-800.0.0.0.0.21002.9233.122
81-1200.0.0.21002.0316.5158.612
121-1600.0.0.0.1.1403.1244.220
over 1600.0.0.0.0.4710.7591.045
uneven-aged0.0.0.31000.21000.21000.659
total0.0.0.4735.11814.8720.23
FR0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.6494.2203.1247.913
41-800.0.0.7504.7193.4238.813
81-1200.0.0.9457.5145.11813.510
121-1600.0.0.0.2.1292.3274.419
over 1600.0.0.0.0.0.0.3710.371
uneven-aged0.0.0.9452.5253.4236.815
total0.0.3.12321.0717.7841.73
GE0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.0.0.0.8530.853
41-800.0.0.0.0.31001.0441.337
81-1200.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.31000.3100
over 1600.0.0.0.0.0.0.5680.568
uneven-aged0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.31002.5182.815
GL0 (unstocked)0.6490.0.0.0.0.0.0.649
1-400.0.0.4712.8231.0444.218
41-800.0.0.0.1.3370.5581.731
81-1200.0.0.5551.0400.5582.027
121-1600.0.0.21001.4340.7502.226
over 1600.0.0.7500.8490.9452.327
uneven-aged0.0.0.0.1.4320.9452.326
total0.6491.7318.8114.41915.56
GR0 (unstocked)2.5270.0.0.0.0.0.2.527
1-400.0.6.41611.11211.11228.67
41-800.0.1.6336.8164.02112.411
81-1200.0.1.2388.6147.11516.910
121-1600.0.2.32815.01012.51129.87
over 1600.0.4.61921.4917.41043.46
uneven-aged0.0.0.37110.91217.61028.87
total2.52716.51073.8469.74162.52
JU0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.11002.9241.6334.718
41-800.0.0.3704.0204.7189.012
81-1200.0.0.21004.0195.6169.811
121-1600.0.0.0.1.8312.7244.518
over 1600.0.0.0.0.3710.21000.557
uneven-aged0.0.0.0.1.4353.5214.918
total0.0.0.75014.4918.3733.32
LU0 (unstocked)0.6570.0.0.0.0.0.0.657
1-400.0.0.5563.2232.5256.215
41-800.0.1.1413.3222.6267.015
81-1200.0.2.72511.4113.72117.88
121-1600.0.1.1413.5220.21004.818
over 1600.0.0.0.0.3700.6580.945
uneven-aged0.0.0.5571.9301.7314.120
total0.6575.91623.7611.31141.42
NE0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.21000.5571.5312.125
41-800.0.0.21001.1370.8432.026
81-1200.0.0.0.2.1276.5158.712
121-1600.0.0.21002.4266.3158.912
over 1600.0.0.0.0.21000.5580.750
uneven-aged0.0.0.0.0.8444.5195.317
total0.21000.5587.11320.1627.93
NW0 (unstocked)0.5680.0.0.0.0.0.0.568
1-400.0.0.0.0.4680.7561.141
41-800.0.0.8420.21000.8511.829
81-1200.0.0.4730.8510.7541.930
121-1600.0.0.0.0.9450.0.0.945
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.6590.0.1.3391.931
total0.5681.8292.3263.5208.17
OW0 (unstocked)0.5580.0.0.0.0.0.0.558
1-400.0.0.0.2.5231.0413.519
41-800.0.0.4712.8240.5583.720
81-1200.0.0.0.3.3221.3374.617
121-1600.0.0.0.0.9440.21001.140
over 1600.0.0.11002.1281.8304.019
uneven-aged0.0.0.0.1.0411.1402.128
total0.5580.55912.685.81519.43
SG0 (unstocked)2.3280.0.0.0.0.0.2.328
1-400.0.0.8505.1182.7258.613
41-800.0.0.4715.7174.71910.812
81-1200.0.1.0416.8158.11315.99
121-1600.0.1.0451.8313.4236.116
over 1600.0.0.5581.5350.6572.626
uneven-aged0.0.0.6575.5182.2298.314
total2.3284.32026.3621.6854.63
SH0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.1.6321.8303.418
41-800.0.0.0.1.5342.1283.620
81-1200.0.0.21000.9413.5194.615
121-1600.0.0.0.0.0.0.8490.849
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.
total0.0.0.21004.0188.2912.42
SO0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.21003.2242.8256.216
41-800.0.0.11001.9294.4196.515
81-1200.0.0.6575.2176.11511.810
121-1600.0.0.21001.7304.7196.515
over 1600.0.0.0.0.0.0.21000.2100
uneven-aged0.0.0.0.0.21001.0411.237
total0.0.1.14012.21019.2632.52
SZ0 (unstocked)1.1400.0.0.0.0.0.1.140
1-400.0.0.7491.8312.0304.518
41-800.0.0.4702.0292.3274.718
81-1200.0.0.9442.2283.1236.315
121-1600.0.0.6571.9301.9304.419
over 1600.0.0.4711.9300.7502.923
uneven-aged0.0.0.21001.1413.0234.319
total1.1403.22310.91112.91028.04
TG0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.5622.7202.1235.313
41-800.0.0.0.1.6343.0224.618
81-1200.0.0.11002.7253.9196.713
121-1600.0.0.0.0.5621.3361.831
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.1.0421.042
total0.21000.6537.51211.3819.73
TI0 (unstocked)0.5580.0.0.0.0.0.0.558
1-400.0.3.92118.1911.71233.76
41-800.0.1.14112.71111.71225.58
81-1200.0.0.6593.7225.81710.113
121-1600.0.0.4713.3234.8198.414
over 1600.0.0.5582.9252.1295.618
uneven-aged0.0.1.1419.71315.01025.88
total0.5587.61550.5551.05109.62
UR0 (unstocked)0.5570.0.0.0.0.0.0.557
1-400.0.1.5320.9431.6324.018
41-800.0.0.3711.5320.3692.226
81-1200.0.0.8440.9440.5572.226
121-1600.0.0.5570.8440.0.1.334
over 1600.0.1.0381.5320.3692.821
uneven-aged0.0.0.21001.0401.2372.426
total0.5574.3176.6134.01915.45
VD0 (unstocked)0.5580.0.0.0.0.0.0.558
1-400.0.0.7505.9167.51514.110
41-800.0.1.1418.2148.01417.39
81-1200.0.1.14110.91212.71124.77
121-1600.0.0.3716.5169.41316.210
over 1600.0.0.4702.3275.8178.514
uneven-aged0.0.0.5584.8197.61413.011
total0.5584.02038.6551.1494.22
VS0 (unstocked)2.0300.0.0.0.0.0.2.030
1-400.0.2.52710.5126.81619.89
41-800.0.1.5335.9176.41613.811
81-1200.0.1.0415.8176.41613.211
121-1600.0.0.8456.3165.91713.011
over 1600.0.2.1298.3147.21517.59
uneven-aged0.0.2.22811.21213.71127.27
total2.03010.21347.9546.45106.52
ZG0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.0.0.6491.1361.826
41-800.0.0.21000.21000.7471.037
81-1200.0.0.2670.5571.0351.827
121-1600.0.0.0.0.11000.0.0.1100
over 1600.0.0.0.0.21000.0.0.2100
uneven-aged0.0.0.0.0.3730.4560.844
total0.0.0.4572.0243.3155.76
ZH0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.0.21003.7206.61510.511
41-800.0.0.21003.4224.5198.114
81-1200.0.0.6578.11313.3921.96
121-1600.0.0.21002.1293.1245.317
over 1600.0.0.0.0.0.0.5580.558
uneven-aged0.0.0.3711.3351.4353.123
total0.0.1.43518.6829.4549.41
Switzerland0 (unstocked)14.2110.0.0.0.0.0.14.211
1-400.0.21.69101.3486.44209.33
41-800.0.12.21287.4489.54189.03
81-1200.0.17.810122.94133.83274.42
121-1600.0.10.51368.7581.44160.63
over 1600.0.10.51348.4645.56104.54
uneven-aged0.0.8.41567.45101.14176.93
total14.21180.95496.11537.711128.91
© WSL, Swiss National Forest Inventory, 25.06.2020 #793963/260295
NFI3
forest area
stand stability · stand age (classes of 40 years)
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
stand stability
criticalless stablestabletotal
cantonstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0 (unstocked)0.4710.21000.21000.850
1-400.21005.6177.61313.49
41-800.4713.4236.21710.012
81-1200.6585.1186.91512.710
121-1600.4711.4373.0254.719
over 1600.0.0.0.0.4710.471
uneven-aged0.21002.0312.4284.620
total2.23017.8826.8646.72
AI0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.0.0.4680.468
41-800.0.0.0.0.6570.657
81-1200.0.0.21001.4341.531
121-1600.0.0.0.1.7281.728
over 1600.0.0.0.0.9430.943
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.21005.0105.19
AR0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.3670.9441.234
41-800.0.0.5710.9491.339
81-1200.0.0.9441.6272.520
121-1600.21000.31001.4341.830
over 1600.0.0.0.0.31000.3100
uneven-aged0.0.0.4730.6591.044
total0.21002.3265.7138.16
BE0 (unstocked)1.4371.9332.3305.618
1-400.85011.31312.21224.48
41-800.4715.3198.61514.311
81-1201.24113.31223.9838.46
121-1600.85012.31215.31128.48
over 1600.21005.2197.31612.612
uneven-aged1.24115.71120.6937.57
total6.01865.0590.13161.11
BL/BS0 (unstocked)0.0.0.21000.4670.652
1-400.4670.6581.8302.922
41-800.4701.1441.7353.224
81-1200.21003.7224.6198.512
121-1600.0.0.9491.1452.132
over 1600.0.0.21000.0.0.2100
uneven-aged0.21000.8501.1452.131
total1.1397.71410.81019.64
FR0 (unstocked)0.21000.6581.4382.328
1-400.0.3.8234.4218.214
41-800.6583.5224.5208.513
81-1200.8504.8203.5229.113
121-1600.21001.5352.9254.619
over 1600.0.0.4710.21000.658
uneven-aged0.0.2.3314.2216.417
total1.83316.9921.1739.73
GE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.0.0.0.0.0.
41-800.0.0.0.2.3252.325
81-1200.0.0.0.0.8660.866
121-1600.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.0.3.1133.113
GL0 (unstocked)0.21000.21000.0.0.471
1-400.0.0.8501.7322.426
41-800.4692.0300.8503.223
81-1200.0.1.8311.0442.824
121-1600.4690.8500.6571.832
over 1600.0.0.6580.21000.850
uneven-aged0.4711.1400.9442.426
total1.3367.2135.31713.87
GR0 (unstocked)1.4381.4381.4384.322
1-401.4385.1198.51515.011
41-800.8505.9189.31415.910
81-1200.8507.21612.51220.49
121-1600.6588.01517.91026.68
over 1600.4717.01619.01026.48
uneven-aged0.65810.21425.1835.97
total5.91844.8693.73144.52
JU0 (unstocked)0.0.0.21000.21000.471
1-401.6351.6342.4275.516
41-800.4711.8333.0255.118
81-1200.21003.5228.11311.810
121-1600.4711.6354.3206.216
over 1600.0.0.4711.2411.535
uneven-aged0.0.0.21002.0312.229
total2.6279.21321.0632.83
LU0 (unstocked)0.4700.8500.4701.634
1-400.9442.3283.7216.914
41-801.6351.8332.8266.217
81-1201.0448.3144.81914.29
121-1600.6571.0443.0254.620
over 1600.0.0.21000.0.0.2100
uneven-aged0.21001.8333.7225.717
total4.72016.3918.4839.43
NE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.21000.7491.6342.426
41-800.0.0.4711.4381.833
81-1200.0.2.2295.4187.514
121-1600.0.1.0443.2234.220
over 1600.0.0.4700.9501.240
uneven-aged0.21000.7599.21210.112
total0.4715.31821.6527.33
NW0 (unstocked)0.5720.0.0.0.0.572
1-400.31000.5680.7571.537
41-800.8561.8350.21002.726
81-1200.5671.6310.0.2.127
121-1600.0.0.31000.21000.472
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total2.0314.1181.1437.29
OW0 (unstocked)0.0.0.21001.1401.337
1-400.6570.6580.9462.030
41-800.0.0.4740.21000.659
81-1200.21000.4700.7571.339
121-1600.0.1.0442.1273.122
over 1600.21001.0452.5273.722
uneven-aged0.6572.4273.0226.014
total1.7336.01510.51018.14
SG0 (unstocked)0.8500.21000.6581.735
1-400.8503.4244.0228.215
41-800.5571.6353.9226.017
81-1201.9333.6229.31314.810
121-1600.4711.7338.61410.712
over 1600.0.0.6581.5382.032
uneven-aged0.21001.1454.0225.319
total4.62112.21231.9648.84
SH0 (unstocked)0.0.0.21000.0.0.2100
1-400.21001.2421.4382.824
41-800.0.1.5362.3283.920
81-1200.0.0.6553.5214.018
121-1600.0.0.21000.6550.849
over 1600.0.0.21000.21000.469
uneven-aged0.21000.0.0.0.0.2100
total0.5703.9207.91012.33
SO0 (unstocked)0.0.0.21000.0.0.2100
1-401.5401.9334.0217.314
41-800.0.1.1414.6195.717
81-1200.7513.4228.31312.510
121-1600.3711.4382.5264.320
over 1600.0.0.0.0.21000.2100
uneven-aged0.0.0.21001.1451.341
total2.6288.21420.8631.62
SZ0 (unstocked)0.6570.0.0.8491.436
1-400.21001.0442.7263.921
41-800.21000.9442.2293.422
81-1200.21003.2233.5236.814
121-1600.0.2.3282.5274.818
over 1600.21002.3281.3373.821
uneven-aged0.0.0.4711.0451.438
total1.33710.11114.0925.54
TG0 (unstocked)0.5680.21000.5681.237
1-400.3712.5212.6225.313
41-800.4731.3361.3353.023
81-1200.0.2.0313.8195.815
121-1600.0.0.8501.7332.526
over 1600.0.0.0.0.11000.1100
uneven-aged0.21000.7560.7511.635
total1.4357.41310.8919.63
TI0 (unstocked)0.21000.6580.0.0.850
1-400.4719.0148.11517.510
41-800.0.9.41419.3928.67
81-1200.0.2.0328.11510.114
121-1600.31002.4294.8217.416
over 1600.5723.3253.7237.416
uneven-aged0.6588.51519.0928.18
total1.93335.0763.0499.92
UR0 (unstocked)0.21000.0.0.3700.556
1-400.3700.8500.9442.029
41-800.0.0.4711.0441.537
81-1200.0.1.0441.4362.427
121-1600.0.1.0440.8481.831
over 1600.0.1.2390.8502.030
uneven-aged0.0.1.2401.6342.825
total0.5565.6166.81412.96
VD0 (unstocked)0.6570.6581.0452.229
1-400.8503.8237.31611.912
41-801.6353.1257.31612.012
81-1201.4387.61514.21123.18
121-1600.6585.61811.81218.010
over 1600.0.1.4384.5205.918
uneven-aged0.21005.4198.91414.511
total5.21927.5755.0487.72
VS0 (unstocked)0.6580.8500.4711.933
1-401.4386.9166.21814.511
41-801.0454.8198.11513.811
81-1200.4713.5238.21512.112
121-1600.8504.42011.41216.610
over 1600.6584.62010.31315.510
uneven-aged0.8505.91817.91024.68
total5.61930.9762.5499.02
ZG0 (unstocked)0.0.0.11000.11000.367
1-400.21000.0.0.8491.042
41-800.11000.21001.2381.533
81-1200.0.0.11001.8252.024
121-1600.0.0.0.0.4720.472
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.21000.2100
total0.4720.5564.5125.48
ZH0 (unstocked)0.21000.21000.4720.950
1-400.9454.8177.21512.910
41-800.21004.5204.4209.113
81-1201.4386.21710.11217.78
121-1600.6581.7352.2314.521
over 1600.0.0.0.0.21000.2100
uneven-aged1.1441.1441.4383.623
total4.42018.6825.7648.82
Switzerland0 (unstocked)8.3169.11511.71329.08
1-4013.51268.5591.94173.83
41-809.61456.7698.04164.33
81-12011.41386.15147.33244.72
121-1606.41751.56104.14162.03
over 1602.03228.9855.6686.54
uneven-aged6.91762.06128.54197.43
total58.16362.72637.011057.81
© WSL, Swiss National Forest Inventory, 25.06.2020 #793964/260296
NFI1
forest area
stand stability · stand age (classes of 40 years)
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
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0 (unstocked)2.1301.0451.7351.0450.8500.21006.817
1-400.0.0.0.0.21000.0.0.21000.0.0.471
41-800.21000.0.0.0.0.0.0.0.0.0.0.2100
81-1200.0.0.21000.21000.0.0.0.0.0.0.471
121-1600.21000.0.0.0.0.0.0.0.0.0.0.2100
over 1600.0.0.0.0.0.0.0.0.21000.0.0.2100
uneven-aged12.7129.8145.3194.0223.0263.32438.17
total15.31111.0137.4165.0204.2223.52346.46
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-406.0182.0323.2252.0312.2302.03217.511
41-804.7203.2251.8331.2411.2410.0.12.113
81-1203.8231.7351.2411.2410.6580.4718.815
121-1601.2411.2410.21000.0.1.4380.0.4.022
over 1600.6580.4710.21000.4710.6570.21002.429
uneven-aged5.5193.9231.8332.6283.8231.83319.310
total21.7912.4128.4157.4169.8144.42164.05
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.21000.0.0.2100
1-4039.4711.8139.2144.4216.01821.2992.04
41-8037.6716.01111.5134.0223.1257.71679.85
81-12048.6622.6912.2123.8224.7212.92594.84
121-1606.3188.6154.7203.8229.9145.11938.47
over 1602.2303.8232.6284.6208.0154.32125.59
uneven-aged43.2634.4716.51016.81025.2818.510154.63
total177.2397.3356.7537.5657.1559.75485.42
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4020.2104.7213.1263.1253.22413.31247.56
41-8035.877.8165.7184.1212.42911.81367.55
81-12058.2514.2129.8135.8183.6236.41798.04
121-16019.6108.7156.9164.1217.3163.82350.56
over 1605.6193.6233.5237.01610.1142.82632.68
uneven-aged58.5526.8813.81225.0823.6817.510165.23
total197.9265.8542.8649.1550.3555.55461.32
total0 (unstocked)2.1301.0451.7351.0451.0450.21007.017
1-4065.5518.51015.8119.61411.61236.46157.33
41-8078.3527.0818.999.3146.71719.59159.73
81-120110.5438.7723.4810.8138.9159.814202.03
121-16027.4818.51011.8127.91518.6108.81493.14
over 1608.4157.8166.31712.11219.0107.31660.75
uneven-aged119.9374.9437.3648.4555.6541.16377.22
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 25.06.2020 #793965/260297
NFI4
forest area
stand stability · stand age (classes of 40 years)
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
stand stability
criticalless stablestabletotal
cantonstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0 (unstocked)0.21000.0.0.21000.471
1-400.21008.2136.61515.08
41-800.4713.6236.71610.712
81-1200.0.5.4177.61413.09
121-1600.0.2.0311.8333.822
over 1600.0.0.6580.0.0.658
uneven-aged0.21002.0311.8334.021
total1.04421.8724.7647.52
AI0 (unstocked)0.0.0.0.0.21000.2100
1-400.0.0.4680.0.0.468
41-800.21000.4710.21000.848
81-1200.0.0.7471.1381.826
121-1600.0.0.6570.4720.942
over 1600.0.0.0.0.4720.472
uneven-aged0.0.0.21000.6570.849
total0.21002.3242.9225.310
AR0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.1.0370.6581.529
41-800.0.1.3390.0.1.339
81-1200.21000.8492.6193.615
121-1600.0.0.5550.4730.944
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.31000.9491.142
total0.21003.9184.4158.46
BE0 (unstocked)0.4711.9332.1314.321
1-402.82714.61115.51132.87
41-801.24111.21310.41322.89
81-1201.04514.41118.41033.87
121-1600.65811.61311.71323.98
over 1600.21004.7203.9228.914
uneven-aged1.83320.8925.2847.86
total7.91679.2487.24174.31
BL/BS0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.2.8231.3394.116
41-800.0.1.0443.3234.319
81-1200.0.2.9263.5236.515
121-1600.0.0.7572.8273.523
over 1600.0.0.0.0.21000.2100
uneven-aged0.0.0.6561.8352.329
total0.0.8.01312.9920.83
FR0 (unstocked)0.0.0.21001.3401.537
1-400.5715.9183.62310.012
41-800.0.4.9194.6209.513
81-1200.5725.3185.01810.711
121-1600.21001.1411.4382.726
over 1600.0.0.0.0.7490.749
uneven-aged0.4713.0253.3256.616
total1.53820.4819.8841.83
GE0 (unstocked)0.0.0.0.0.41000.4100
1-400.0.0.0.0.6750.675
41-800.0.0.41001.2501.640
81-1200.0.0.41000.8661.250
121-1600.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.8662.9193.75
GL0 (unstocked)0.0.0.0.0.0.0.0.
1-400.4703.2230.7494.319
41-800.4701.2400.7502.328
81-1200.0.0.7481.0441.731
121-1600.21001.8320.5572.525
over 1600.21000.6570.9471.733
uneven-aged0.0.2.1291.9314.020
total1.1409.7115.81616.66
GR0 (unstocked)1.0451.0452.4294.521
1-405.11914.61110.31430.08
41-804.12210.2148.61523.09
81-1201.2418.21510.71320.29
121-1601.04512.11213.51126.68
over 1600.21008.81415.41124.48
uneven-aged1.43821.4931.0753.85
total14.11276.4492.04182.51
JU0 (unstocked)0.0.0.0.0.0.0.0.
1-400.4713.2231.4365.017
41-800.21002.5273.2245.917
81-1200.21003.7225.2179.012
121-1600.0.1.4372.7264.121
over 1600.0.0.6580.0.0.658
uneven-aged0.4713.5235.3189.213
total1.24014.8917.7733.72
LU0 (unstocked)0.4700.0.0.4710.849
1-400.6574.5194.4199.511
41-800.4712.2293.0255.618
81-1200.4703.4234.9188.712
121-1600.7572.6272.6275.917
over 1600.0.0.21000.21000.471
uneven-aged0.4714.3215.31810.012
total2.92617.1920.8740.82
NE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.2.2270.6562.823
41-800.0.0.9441.4382.329
81-1200.0.1.6353.3234.918
121-1600.0.1.2414.9186.116
over 1600.0.0.21000.9431.139
uneven-aged0.0.2.2289.01311.211
total0.0.8.31320.1628.53
NW0 (unstocked)0.31000.0.0.0.0.3100
1-401.2430.9500.0.2.130
41-800.0.1.5370.7562.230
81-1200.0.0.9480.8481.732
121-1600.0.0.4720.31000.759
over 1600.0.0.31000.0.0.3100
uneven-aged0.0.0.5670.7591.242
total1.5374.5172.5278.47
OW0 (unstocked)0.0.0.0.0.8490.849
1-400.21002.0290.9433.122
41-800.21000.6501.3402.130
81-1200.0.1.5360.4721.932
121-1600.0.2.7251.3374.019
over 1600.0.1.0450.4711.437
uneven-aged0.5592.9253.7217.114
total0.94510.8108.71220.44
SG0 (unstocked)0.21000.4710.6581.241
1-401.0458.1153.12512.111
41-800.21004.0221.9336.017
81-1200.21006.4167.21513.810
121-1600.0.3.9224.4218.314
over 1600.0.0.6582.0312.628
uneven-aged0.9496.7174.82112.412
total2.52830.1723.8856.53
SH0 (unstocked)0.0.0.0.0.0.0.0.
1-400.21001.4381.2422.824
41-800.0.1.0442.8253.820
81-1200.0.0.21003.5213.721
121-1600.0.0.0.1.6331.633
over 1600.0.0.21000.21000.469
uneven-aged0.0.0.21000.0.0.2100
total0.21003.0249.2912.53
SO0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.3.5233.2246.715
41-800.0.2.7273.6236.316
81-1200.0.3.0246.6159.611
121-1600.0.1.6373.8215.418
over 1600.0.0.0.0.6580.658
uneven-aged0.21001.4372.4283.921
total0.210012.21020.2632.62
SZ0 (unstocked)0.6580.21000.21000.945
1-401.1443.3230.8505.118
41-800.4712.9251.4384.619
81-1200.21003.0253.8217.014
121-1600.3702.5272.6265.416
over 1600.0.0.6581.1411.733
uneven-aged0.21001.5372.6274.321
total2.82613.9912.51029.14
TG0 (unstocked)0.0.0.0.0.0.0.0.
1-400.6583.0212.9216.511
41-800.3701.4331.3352.921
81-1200.0.2.6263.6206.114
121-1600.0.0.4701.6342.029
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.1.7331.0372.724
total0.9459.11110.31020.32
TI0 (unstocked)0.0.0.6580.21000.850
1-403.82212.5126.11822.49
41-803.52424.6811.51339.56
81-1200.21004.7213.9228.915
121-1600.21004.7212.7267.616
over 1600.0.3.8235.4199.214
uneven-aged2.13219.9917.11039.06
total9.71470.7446.96127.42
UR0 (unstocked)0.0.0.0.0.0.0.0.
1-401.0443.1240.5574.619
41-800.3702.0311.2403.622
81-1200.0.0.0.0.9490.949
121-1600.21000.6560.4711.238
over 1600.21000.8490.8481.730
uneven-aged0.21002.9241.5354.618
total1.9309.4115.31716.55
VD0 (unstocked)0.0.0.21000.6580.850
1-401.4389.6138.81419.88
41-800.21005.7187.81513.711
81-1200.4714.42010.71315.510
121-1600.21005.6188.41514.211
over 1600.21003.8234.8208.815
uneven-aged0.6587.71516.21024.58
total3.02637.1657.3497.42
VS0 (unstocked)0.6580.6581.6352.926
1-404.82011.0135.22021.09
41-802.5289.4147.81619.79
81-1200.4714.2215.4199.913
121-1601.3376.7164.02112.112
over 1600.6587.5156.41714.511
uneven-aged2.03214.21124.9841.16
total12.21253.6555.35121.12
ZG0 (unstocked)0.0.0.11000.0.0.1100
1-400.0.1.1380.7501.827
41-800.0.0.21000.9461.041
81-1200.21000.8470.5561.531
121-1600.0.0.0.0.3710.371
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.6560.6591.238
total0.21002.8213.0206.05
ZH0 (unstocked)0.21000.0.0.0.0.2100
1-401.9317.0145.51714.58
41-800.21003.5235.4189.113
81-1200.0.5.21913.11018.38
121-1600.0.1.4382.5293.922
over 1600.0.0.0.0.0.0.0.
uneven-aged0.21001.7352.8264.720
total2.52718.8829.2550.51
Switzerland0 (unstocked)3.9235.22011.01420.210
1-4027.18127.0484.45238.52
41-8014.71199.5490.65204.83
81-1205.12084.35124.34213.73
121-1604.82066.2576.65147.73
over 1601.63534.2744.3680.15
uneven-aged11.313122.34164.33297.82
total68.65538.72595.411202.71
© WSL, Swiss National Forest Inventory, 25.06.2020 #793966/260298
NFI4
forest area
stand stability · stand age (classes of 40 years)
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
stand stability
criticalless stablestabletotal
cantonstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0 (unstocked)0.21000.0.0.21000.471
1-400.21008.2136.61515.08
41-800.4713.6236.71610.712
81-1200.0.5.4177.61413.09
121-1600.0.2.0311.8333.822
over 1600.0.0.6580.0.0.658
uneven-aged0.21002.0311.8334.021
total1.04421.8724.7647.52
AI0 (unstocked)0.0.0.0.0.21000.2100
1-400.0.0.4680.0.0.468
41-800.21000.4710.21000.848
81-1200.0.0.7471.1381.826
121-1600.0.0.6570.4720.942
over 1600.0.0.0.0.4720.472
uneven-aged0.0.0.21000.6570.849
total0.21002.3242.9225.310
AR0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.8420.6581.432
41-800.0.1.3390.0.1.339
81-1200.21000.8492.6193.615
121-1600.0.0.5550.4730.944
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.31000.7561.046
total0.21003.7194.3168.16
BE0 (unstocked)0.4711.9332.1314.321
1-402.62813.61214.91131.07
41-801.04510.81310.41322.29
81-1201.04514.41117.81033.27
121-1600.65811.61311.51323.78
over 1600.21004.7203.9228.914
uneven-aged1.83320.5923.4945.66
total7.51677.4484.04168.91
BL/BS0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.2.8231.3394.116
41-800.0.1.0443.3234.319
81-1200.0.2.9263.5236.515
121-1600.0.0.7572.6283.324
over 1600.0.0.0.0.21000.2100
uneven-aged0.0.0.4701.8352.131
total0.0.7.81412.7920.43
FR0 (unstocked)0.0.0.21001.3401.537
1-400.5715.9183.62310.012
41-800.0.4.9194.2219.113
81-1200.5725.3185.01810.711
121-1600.21001.1411.4382.726
over 1600.0.0.0.0.7490.749
uneven-aged0.4713.0253.3256.616
total1.53820.4819.4841.43
GE0 (unstocked)0.0.0.0.0.41000.4100
1-400.0.0.0.0.6750.675
41-800.0.0.41001.2501.640
81-1200.0.0.41000.8661.250
121-1600.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.8662.9193.75
GL0 (unstocked)0.0.0.0.0.0.0.0.
1-400.4702.6250.5573.521
41-800.4701.2400.7502.328
81-1200.0.0.7481.0441.731
121-1600.21001.8320.5572.525
over 1600.21000.4690.9471.535
uneven-aged0.0.1.9311.7333.621
total1.1408.7125.41715.26
GR0 (unstocked)1.0451.0452.4294.521
1-404.52112.2129.31426.08
41-803.92210.0148.01622.09
81-1201.2418.01510.31419.610
121-1601.04512.11213.51126.68
over 1600.21008.61415.01123.88
uneven-aged1.24119.21028.6849.06
total13.11271.2487.24171.52
JU0 (unstocked)0.0.0.0.0.0.0.0.
1-400.4713.2231.4365.017
41-800.21002.5273.2245.917
81-1200.21003.7225.2179.012
121-1600.0.1.4372.7264.121
over 1600.0.0.6580.0.0.658
uneven-aged0.4713.3235.1188.813
total1.24014.6917.6733.43
LU0 (unstocked)0.4700.0.0.4710.849
1-400.6574.1204.4199.111
41-800.4712.2293.0255.618
81-1200.4703.4234.9188.712
121-1600.7572.6272.6275.917
over 1600.0.0.21000.21000.471
uneven-aged0.4714.3215.31810.012
total2.92616.7920.8740.42
NE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.2.2270.6562.823
41-800.0.0.9441.4382.329
81-1200.0.1.4383.1244.419
121-1600.0.1.2414.9186.116
over 1600.0.0.21000.9431.139
uneven-aged0.0.2.2289.01311.211
total0.0.8.11319.9628.03
NW0 (unstocked)0.31000.0.0.0.0.3100
1-401.0470.9500.0.1.931
41-800.0.1.5370.7562.230
81-1200.0.0.9480.8481.732
121-1600.0.0.4720.31000.759
over 1600.0.0.31000.0.0.3100
uneven-aged0.0.0.5670.7591.242
total1.3404.5172.5278.27
OW0 (unstocked)0.0.0.0.0.8490.849
1-400.0.1.8300.9432.723
41-800.0.0.6501.1441.733
81-1200.0.1.3400.4721.635
121-1600.0.2.7251.3374.019
over 1600.0.1.0450.4711.437
uneven-aged0.5592.9253.3226.815
total0.55910.4108.21319.04
SG0 (unstocked)0.21000.4710.6581.241
1-401.0457.0162.92610.912
41-800.21003.6231.9335.618
81-1200.21006.0177.01613.210
121-1600.0.3.9224.2218.114
over 1600.0.0.4712.0312.429
uneven-aged0.7576.7174.62111.912
total2.33028.0723.0853.33
SH0 (unstocked)0.0.0.0.0.0.0.0.
1-400.21001.4381.2422.824
41-800.0.1.0442.8253.820
81-1200.0.0.21003.3223.521
121-1600.0.0.0.1.6331.633
over 1600.0.0.21000.21000.469
uneven-aged0.0.0.21000.0.0.2100
total0.21003.0249.0812.33
SO0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.3.3232.9256.215
41-800.0.2.7273.6236.316
81-1200.0.3.0246.6159.611
121-1600.0.1.6373.8215.418
over 1600.0.0.0.0.6580.658
uneven-aged0.21001.4372.4283.921
total0.210012.01120.0632.12
SZ0 (unstocked)0.6580.21000.21000.945
1-401.1443.3230.8505.118
41-800.4712.9251.4384.619
81-1200.21003.0253.8217.014
121-1600.3702.5272.6265.416
over 1600.0.0.6581.1411.733
uneven-aged0.21001.3402.2303.723
total2.82613.7912.11128.54
TG0 (unstocked)0.0.0.0.0.0.0.0.
1-400.6583.0212.9216.511
41-800.3701.4331.3352.921
81-1200.0.2.4283.6205.914
121-1600.0.0.4701.6342.029
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.1.7331.0372.724
total0.9458.91110.31020.12
TI0 (unstocked)0.0.0.6580.21000.850
1-403.42312.1125.11920.69
41-803.52423.8810.71337.96
81-1200.21004.7213.5238.515
121-1600.21004.7212.5277.416
over 1600.0.3.8235.4199.214
uneven-aged1.83318.31016.81036.96
total9.11468.0444.26121.32
UR0 (unstocked)0.0.0.0.0.0.0.0.
1-401.0442.5270.5574.020
41-800.21002.0311.2403.422
81-1200.0.0.0.0.9490.949
121-1600.21000.6560.4711.238
over 1600.21000.8490.8481.730
uneven-aged0.21002.9241.5354.618
total1.7328.8125.31715.86
VD0 (unstocked)0.0.0.21000.6580.850
1-401.4389.2148.61419.29
41-800.21005.7187.81513.711
81-1200.4714.42010.51315.310
121-1600.21005.4188.41514.011
over 1600.21003.8234.6208.615
uneven-aged0.6587.51515.81023.98
total3.02636.3656.3495.62
VS0 (unstocked)0.6580.6581.6352.926
1-404.0228.6154.62117.110
41-802.5289.4146.51718.510
81-1200.4714.2215.0209.514
121-1601.3376.7164.02112.112
over 1600.6587.5156.41714.511
uneven-aged1.83313.81123.7839.36
total11.21350.8551.85113.82
ZG0 (unstocked)0.0.0.11000.0.0.1100
1-400.0.1.1380.7501.827
41-800.0.0.21000.6560.848
81-1200.21000.8470.5561.531
121-1600.0.0.0.0.3710.371
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.6560.6591.238
total0.21002.8212.7215.76
ZH0 (unstocked)0.21000.0.0.0.0.2100
1-401.7336.9155.31713.98
41-800.21003.5235.4189.113
81-1200.0.5.21912.71017.98
121-1600.0.1.4382.5293.922
over 1600.0.0.0.0.0.0.0.
uneven-aged0.21001.7352.6274.521
total2.32918.6828.4649.42
Switzerland0 (unstocked)3.9235.22011.01420.210
1-4024.69117.1480.15221.73
41-8013.91297.7487.25198.73
81-1205.12083.05121.34209.43
121-1604.82066.0575.85146.63
over 1601.63533.5743.7778.95
uneven-aged10.514116.74156.43283.62
total64.35519.32575.511159.11
© WSL, Swiss National Forest Inventory, 25.06.2020 #793967/260299
NFI3
forest area
stand stability · stand age (classes of 40 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
stand stability
criticalless stablestabletotal
cantonstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0 (unstocked)0.4710.21000.21000.750
1-400.21005.7168.01313.89
41-800.3713.8215.8169.912
81-1200.5585.3176.61512.410
121-1600.4711.2373.2234.818
over 1600.0.0.0.0.5580.558
uneven-aged0.4702.2282.7255.318
total2.12818.4827.0647.52
AI0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.21000.5550.746
41-800.0.0.0.0.6570.657
81-1200.0.0.11001.2321.330
121-1600.0.0.0.1.4301.430
over 1600.0.0.21001.3321.530
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.5574.9105.48
AR0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.3671.0391.332
41-800.0.0.4710.8491.239
81-1200.0.0.9391.7272.619
121-1600.11000.21001.2341.630
over 1600.0.0.0.0.21000.2100
uneven-aged0.0.0.4721.0411.434
total0.11002.2256.0118.36
BE0 (unstocked)1.6331.6332.7255.917
1-401.14112.61112.81126.57
41-800.3715.3188.41414.111
81-1201.43513.81125.6840.86
121-1601.04112.31215.41028.87
over 1600.3715.3187.51513.111
uneven-aged1.63317.01023.4842.06
total7.41567.9495.83171.11
BL/BS0 (unstocked)0.0.0.21000.4680.553
1-400.4681.0452.0293.321
41-800.3701.0442.0313.423
81-1200.21003.6225.2169.011
121-1600.0.1.0441.1452.131
over 1600.0.0.21000.0.0.2100
uneven-aged0.21000.8501.0452.031
total1.1397.81311.6920.53
FR0 (unstocked)0.21000.8501.8302.823
1-400.21003.9214.0218.113
41-800.9453.8204.8189.612
81-1200.7504.9183.4219.012
121-1600.21001.5333.3225.017
over 1600.0.0.3710.21000.558
uneven-aged0.0.1.9314.7196.516
total2.22817.1822.1741.42
GE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.0.0.5750.575
41-800.0.0.0.2.1272.127
81-1200.0.0.0.0.7670.767
121-1600.0.0.0.0.41000.4100
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.0.3.753.75
GL0 (unstocked)0.11000.21000.21000.557
1-400.3701.0402.4253.819
41-800.3692.4261.1403.819
81-1200.0.1.7301.2372.922
121-1600.3690.8440.6571.730
over 1600.0.0.5590.21000.750
uneven-aged0.3711.3350.8442.425
total1.4327.9116.51415.76
GR0 (unstocked)1.4351.3381.3384.021
1-402.3289.11415.71027.18
41-801.0416.51611.11218.79
81-1201.0418.01514.01123.18
121-1600.9458.51419.2928.67
over 1600.5588.21420.8929.57
uneven-aged1.23812.41230.5744.06
total8.51454.05112.53175.01
JU0 (unstocked)0.0.0.21000.21000.471
1-401.5352.0292.4265.915
41-800.6582.0303.0235.617
81-1200.21003.5218.21311.910
121-1600.4711.6334.4196.315
over 1600.0.0.4711.0411.435
uneven-aged0.0.0.21001.8312.030
total2.5269.81221.1633.42
LU0 (unstocked)0.5570.9440.3701.730
1-401.2372.2273.9197.213
41-801.4351.7313.6216.715
81-1201.4357.9134.41813.79
121-1600.8441.2372.9234.917
over 1600.0.0.21000.0.0.2100
uneven-aged0.3711.9294.3196.515
total5.61615.9819.4740.82
NE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.3710.8441.7322.923
41-800.0.0.5571.3381.831
81-1200.0.2.4275.9168.313
121-1600.0.1.1402.9234.019
over 1600.0.0.3700.9441.337
uneven-aged0.21000.6589.81110.611
total0.5575.81622.5528.83
NW0 (unstocked)0.4720.0.0.0.0.472
1-400.7561.1430.6572.425
41-801.0431.5360.21002.724
81-1200.4681.6290.0.2.127
121-1600.0.0.4680.4720.850
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total2.5254.6161.2388.36
OW0 (unstocked)0.0.0.4711.1401.434
1-400.6570.5581.3362.526
41-800.0.0.3730.21000.559
81-1200.21000.4700.8491.436
121-1600.0.1.2402.2263.421
over 1600.21001.1402.7254.020
uneven-aged0.6572.4263.4206.414
total1.6336.31411.7919.64
SG0 (unstocked)0.7500.21000.6581.535
1-400.9453.8214.9199.613
41-800.6501.9303.8216.416
81-1201.6334.61810.41216.69
121-1600.3712.0289.71212.011
over 1600.0.0.5581.8322.328
uneven-aged0.21001.1415.2186.516
total4.42014.21036.2554.93
SH0 (unstocked)0.0.0.21000.0.0.2100
1-400.31001.5361.4383.120
41-800.0.1.4332.2263.618
81-1200.0.0.5563.3203.818
121-1600.0.0.21000.5560.749
over 1600.0.0.21000.21000.469
uneven-aged0.21000.31000.0.0.572
total0.5724.2187.51012.23
SO0 (unstocked)0.0.0.21000.0.0.2100
1-401.4372.4273.8207.613
41-800.0.0.9414.7175.616
81-1200.7513.7198.71213.19
121-1600.3711.4352.6254.319
over 1600.0.0.0.0.21000.2100
uneven-aged0.0.0.11001.2401.337
total2.4278.71221.3632.42
SZ0 (unstocked)0.5570.0.1.0431.534
1-400.21000.9443.2224.319
41-800.21000.9442.7243.820
81-1200.3713.4204.6198.412
121-1600.0.2.1273.1235.217
over 1600.21002.2271.4343.820
uneven-aged0.21000.3711.3381.831
total1.6339.91117.2828.73
TG0 (unstocked)0.4680.21000.4681.038
1-400.5492.4212.7215.712
41-800.3721.9291.3323.620
81-1200.0.1.7313.7195.514
121-1600.0.0.9441.7312.624
over 1600.0.0.0.0.11000.1100
uneven-aged0.4680.6560.8441.830
total1.7297.71210.9920.23
TI0 (unstocked)0.21000.5580.0.0.750
1-401.43514.41114.81030.67
41-800.0.10.71219.7930.47
81-1200.0.2.1298.71410.812
121-1600.21002.6255.2198.015
over 1600.4723.6224.9199.014
uneven-aged0.5589.61323.4833.66
total2.72643.6576.73123.02
UR0 (unstocked)0.21000.0.0.5570.649
1-401.0401.5341.4353.820
41-800.0.0.5581.3371.830
81-1200.0.1.1391.3362.425
121-1600.0.1.3370.7492.028
over 1600.0.1.1390.7501.830
uneven-aged0.0.1.8312.3264.119
total1.2377.3138.11216.65
VD0 (unstocked)0.5570.5581.0402.128
1-400.7504.81910.21215.710
41-801.8323.5227.31512.711
81-1201.6338.01414.31023.97
121-1600.5585.91713.21119.79
over 1600.0.1.5354.2205.617
uneven-aged0.21006.31611.61218.19
total5.31830.6661.9497.82
VS0 (unstocked)0.5580.9450.6582.030
1-402.03010.8129.41322.28
41-801.1415.7178.51415.310
81-1200.4713.6228.41412.411
121-1600.9454.71911.71217.39
over 1600.5585.21812.31118.09
uneven-aged0.7506.81620.0927.67
total6.11737.7670.84114.72
ZG0 (unstocked)0.0.0.11000.11000.367
1-400.4680.0.0.7481.137
41-800.11000.21001.3351.630
81-1200.0.0.3671.8252.123
121-1600.0.0.0.0.5560.556
over 1600.0.0.0.0.21000.2100
uneven-aged0.0.0.0.0.21000.2100
total0.5560.6464.8106.05
ZH0 (unstocked)0.21000.21000.6581.044
1-400.8444.4187.01412.39
41-800.4714.7194.2209.213
81-1201.3385.61710.41217.28
121-1600.5581.7333.5235.717
over 1600.0.0.0.0.21000.2100
uneven-aged1.0441.0441.4353.323
total4.22017.6827.1648.92
Switzerland0 (unstocked)7.9158.71412.71229.38
1-4018.31087.34116.34221.92
41-8010.81361.85101.94174.43
81-12011.81288.74154.53255.12
121-1607.01653.96110.94171.73
over 1602.22931.0761.5594.74
uneven-aged8.21568.95150.73227.73
total66.25400.32708.511174.90
© WSL, Swiss National Forest Inventory, 25.06.2020 #793968/260300
NFI3
forest area
stand stability · stand age (classes of 40 years)
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
stand stability
criticalless stablestabletotal
cantonstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0 (unstocked)0.4710.21000.21000.850
1-400.21005.6177.81313.69
41-800.4713.6236.21710.212
81-1200.6585.1187.11512.910
121-1600.4711.4373.0254.719
over 1600.0.0.0.0.4710.471
uneven-aged0.21002.2302.6275.019
total2.23018.2827.4647.72
AI0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.0.0.4680.468
41-800.0.0.0.0.6570.657
81-1200.0.0.21001.4341.531
121-1600.0.0.0.1.7281.728
over 1600.0.0.0.1.1401.140
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.21005.2105.310
AR0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.3670.9441.234
41-800.0.0.5710.9491.339
81-1200.0.0.9441.6272.520
121-1600.21000.31001.4341.830
over 1600.0.0.0.0.31000.3100
uneven-aged0.0.0.4730.6591.044
total0.21002.3265.7138.16
BE0 (unstocked)1.6351.9332.3305.818
1-401.04512.51213.21226.88
41-800.4715.7198.61514.711
81-1201.43813.71225.0840.16
121-1600.85012.91216.71030.47
over 1600.4715.4197.41613.212
uneven-aged1.83316.71022.8941.36
total7.41668.8496.13172.31
BL/BS0 (unstocked)0.0.0.21000.4670.652
1-400.4670.6581.8302.922
41-800.4701.1442.0323.424
81-1200.21003.7225.1189.011
121-1600.0.1.1441.1452.231
over 1600.0.0.21000.0.0.2100
uneven-aged0.21000.8501.1452.131
total1.1397.91411.51020.43
FR0 (unstocked)0.21000.6581.4382.328
1-400.21004.0234.4218.614
41-800.6583.9215.0199.513
81-1200.8505.0193.5229.313
121-1600.21001.5352.9254.619
over 1600.0.0.4710.21000.658
uneven-aged0.0.2.3314.5206.816
total2.03117.7922.1741.72
GE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.0.0.6750.675
41-800.0.0.0.2.3252.325
81-1200.0.0.0.0.8660.866
121-1600.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.0.3.753.75
GL0 (unstocked)0.21000.21000.0.0.471
1-400.21001.1402.4263.720
41-800.4692.2281.0443.621
81-1200.0.1.8311.0442.824
121-1600.4690.8500.6571.832
over 1600.0.0.6580.21000.850
uneven-aged0.4711.1400.9442.426
total1.4347.8126.21515.46
GR0 (unstocked)1.4381.4381.4384.322
1-402.6289.41415.61127.68
41-801.0456.71711.11318.810
81-1200.8507.51613.41221.89
121-1600.6588.41519.31028.48
over 1600.4717.91520.8929.17
uneven-aged1.43812.81231.8745.96
total8.11554.25113.53175.82
JU0 (unstocked)0.0.0.21000.21000.471
1-401.6351.8322.4275.816
41-800.4712.0313.0255.318
81-1200.21003.5228.31312.010
121-1600.4711.6354.5206.416
over 1600.0.0.4711.2411.535
uneven-aged0.0.0.21002.0312.229
total2.6279.61221.4633.52
LU0 (unstocked)0.4700.8500.4701.634
1-400.9442.5263.7217.114
41-801.6351.8333.0256.417
81-1201.3408.5145.01914.89
121-1600.6571.0443.0254.620
over 1600.0.0.21000.0.0.2100
uneven-aged0.21001.8334.5206.516
total4.91916.7919.6841.22
NE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.4710.7491.6342.625
41-800.0.0.5571.4382.032
81-1200.0.2.2295.5177.714
121-1600.0.1.0443.2234.220
over 1600.0.0.4700.9501.240
uneven-aged0.21000.75910.01210.811
total0.5575.51822.5528.63
NW0 (unstocked)0.5720.0.0.0.0.572
1-400.8560.7570.7572.328
41-800.8561.8350.21002.726
81-1200.5671.6310.0.2.127
121-1600.0.0.31000.4720.759
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total2.6274.3181.3388.27
OW0 (unstocked)0.0.0.21001.1401.337
1-400.6570.6581.1422.228
41-800.0.0.4740.21000.659
81-1200.21000.4700.7571.339
121-1600.0.1.0442.2263.221
over 1600.21001.0452.5273.722
uneven-aged0.6572.6263.4206.614
total1.7336.21511.2919.04
SG0 (unstocked)0.8500.21000.6581.735
1-400.8503.9234.4219.114
41-800.5571.8334.1216.417
81-1201.9334.2219.91316.010
121-1600.4711.73310.01312.011
over 1600.0.0.6581.7352.330
uneven-aged0.21001.3415.8187.316
total4.62113.71136.5554.83
SH0 (unstocked)0.0.0.21000.0.0.2100
1-400.21001.2421.4382.824
41-800.0.1.5362.3283.920
81-1200.0.0.6553.5214.018
121-1600.0.0.21000.6550.849
over 1600.0.0.21000.21000.469
uneven-aged0.21000.0.0.0.0.2100
total0.5703.9207.91012.33
SO0 (unstocked)0.0.0.21000.0.0.2100
1-401.7371.9334.2207.713
41-800.0.1.1414.6195.717
81-1200.7513.6218.31312.610
121-1600.3711.6352.8254.719
over 1600.0.0.0.0.21000.2100
uneven-aged0.0.0.21001.1451.341
total2.7278.51321.2632.52
SZ0 (unstocked)0.6570.0.0.8491.436
1-400.21001.0443.3234.519
41-800.21000.9442.6263.821
81-1200.21003.2234.5207.814
121-1600.0.2.5273.3235.817
over 1600.21002.3281.3373.821
uneven-aged0.21000.4711.2411.833
total1.53510.31117.1829.04
TG0 (unstocked)0.5680.21000.5681.237
1-400.5492.5212.6225.612
41-800.4731.7321.3353.322
81-1200.0.2.0313.8195.815
121-1600.0.0.8501.7332.526
over 1600.0.0.0.0.11000.1100
uneven-aged0.5680.7560.7511.832
total1.9287.81310.8920.53
TI0 (unstocked)0.21000.6580.0.0.850
1-401.53514.21114.61130.47
41-800.0.10.51320.2930.77
81-1200.0.2.2308.71511.013
121-1600.31002.4295.0207.616
over 1600.5723.9235.0199.414
uneven-aged0.6589.41423.6833.67
total3.02643.2677.34123.42
UR0 (unstocked)0.21000.0.0.3700.556
1-401.1401.4371.5354.120
41-800.0.0.6581.2401.832
81-1200.0.1.2401.4362.625
121-1600.0.1.0440.8481.831
over 1600.0.1.2390.8502.030
uneven-aged0.0.1.4372.2293.522
total1.3376.8148.21316.35
VD0 (unstocked)0.6570.6581.0452.229
1-400.8504.4219.91315.010
41-801.8333.5237.71513.011
81-1201.6358.01515.01024.58
121-1600.6585.81813.31219.79
over 1600.0.1.7354.5206.117
uneven-aged0.21006.01811.21317.410
total5.61929.9762.4497.92
VS0 (unstocked)0.6580.8500.4711.933
1-402.03210.4138.81521.39
41-801.0455.4188.91415.211
81-1200.4713.7238.81412.912
121-1600.8505.01912.21218.09
over 1600.6584.62011.71216.910
uneven-aged0.8507.31620.5928.67
total6.21837.2671.44114.82
ZG0 (unstocked)0.0.0.11000.11000.367
1-400.5670.0.0.8491.236
41-800.11000.21001.4351.730
81-1200.0.0.3671.8252.123
121-1600.0.0.0.0.4720.472
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.21000.2100
total0.6570.6464.7115.95
ZH0 (unstocked)0.21000.21000.4720.950
1-400.9454.8177.21512.910
41-800.21004.5204.6209.313
81-1201.4386.21710.11217.78
121-1600.6581.7352.4294.720
over 1600.0.0.0.0.21000.2100
uneven-aged1.1441.1441.6353.823
total4.42018.6826.3649.42
Switzerland0 (unstocked)8.5169.11511.71329.28
1-4019.21085.65115.34220.23
41-8010.01462.06104.44176.43
81-12012.01389.14154.23255.42
121-1606.41753.96112.54172.73
over 1602.23030.7860.8593.74
uneven-aged8.81569.45152.23230.33
total67.25399.72711.111178.01
© WSL, Swiss National Forest Inventory, 25.06.2020 #793969/260301
NFI3
forest area
stand stability · stand age (classes of 40 years)
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
stand stability
criticalless stablestabletotal
cantonstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0 (unstocked)0.4710.21000.21000.850
1-400.21005.6177.81313.69
41-800.4713.6236.21710.212
81-1200.6585.1187.11512.910
121-1600.4711.4373.0254.719
over 1600.0.0.0.0.4710.471
uneven-aged0.21002.0312.6274.819
total2.23018.0827.4647.52
AI0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.0.0.4680.468
41-800.0.0.0.0.6570.657
81-1200.0.0.21001.4341.531
121-1600.0.0.0.1.7281.728
over 1600.0.0.0.1.1401.140
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.21005.2105.310
AR0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.3670.9441.234
41-800.0.0.5710.9491.339
81-1200.0.0.9441.6272.520
121-1600.21000.31001.4341.830
over 1600.0.0.0.0.31000.3100
uneven-aged0.0.0.4730.6591.044
total0.21002.3265.7138.16
BE0 (unstocked)1.4371.9332.3305.618
1-400.85011.71213.01225.68
41-800.4715.7198.61514.711
81-1201.43813.51224.6839.56
121-1600.85012.61216.31029.87
over 1600.21005.4197.41613.012
uneven-aged1.63516.51122.6940.76
total6.61767.4495.03168.91
BL/BS0 (unstocked)0.0.0.21000.4670.652
1-400.4670.6581.8302.922
41-800.4701.1442.0323.424
81-1200.21003.7225.1189.011
121-1600.0.1.1441.1452.231
over 1600.0.0.21000.0.0.2100
uneven-aged0.21000.8501.1452.131
total1.1397.91411.51020.43
FR0 (unstocked)0.21000.6581.4382.328
1-400.21004.0234.4218.614
41-800.6583.9215.0199.513
81-1200.8504.8203.5229.113
121-1600.21001.5352.9254.619
over 1600.0.0.4710.21000.658
uneven-aged0.0.2.3314.3216.617
total2.03117.5921.9741.43
GE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.0.0.0.0.6750.675
41-800.0.0.0.2.3252.325
81-1200.0.0.0.0.8660.866
121-1600.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total0.0.0.0.3.753.75
GL0 (unstocked)0.21000.21000.0.0.471
1-400.21001.1402.4263.720
41-800.4692.2280.8503.422
81-1200.0.1.8311.0442.824
121-1600.4690.8500.6571.832
over 1600.0.0.6580.21000.850
uneven-aged0.4711.1400.9442.426
total1.4347.8126.01615.26
GR0 (unstocked)1.4381.4381.4384.322
1-402.6289.01415.01126.68
41-801.0456.31710.91318.210
81-1200.8507.41613.01221.29
121-1600.6588.41519.11028.28
over 1600.4717.71620.6928.78
uneven-aged1.43812.61230.4744.46
total8.11552.85110.53171.52
JU0 (unstocked)0.0.0.21000.21000.471
1-401.6351.8322.4275.816
41-800.4711.8333.0255.118
81-1200.21003.5228.31312.010
121-1600.4711.6354.5206.416
over 1600.0.0.4711.2411.535
uneven-aged0.0.0.21002.0312.229
total2.6279.41321.4633.43
LU0 (unstocked)0.4700.8500.4701.634
1-400.9442.3283.7216.914
41-801.6351.8332.8266.217
81-1201.3408.5144.81914.69
121-1600.6571.0443.0254.620
over 1600.0.0.21000.0.0.2100
uneven-aged0.21001.8334.3206.316
total4.91916.5919.0840.42
NE0 (unstocked)0.0.0.0.0.0.0.0.
1-400.4710.7491.6342.625
41-800.0.0.4711.4381.833
81-1200.0.2.2295.5177.714
121-1600.0.1.0443.2234.220
over 1600.0.0.4700.9501.240
uneven-aged0.21000.7599.61210.512
total0.5575.31822.1528.03
NW0 (unstocked)0.5720.0.0.0.0.572
1-400.8560.7570.7572.328
41-800.8561.8350.21002.726
81-1200.5671.6310.0.2.127
121-1600.0.0.31000.4720.759
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.
total2.6274.3181.3388.27
OW0 (unstocked)0.0.0.21001.1401.337
1-400.6570.6581.1422.228
41-800.0.0.4740.21000.659
81-1200.21000.4700.7571.339
121-1600.0.1.0442.2263.221
over 1600.21001.0452.5273.722
uneven-aged0.6572.6263.4206.614
total1.7336.21511.2919.04
SG0 (unstocked)0.8500.21000.6581.735
1-400.8503.9234.4219.114
41-800.5571.6354.1216.217
81-1201.9334.0219.51315.410
121-1600.4711.7339.51311.611
over 1600.0.0.6581.7352.330
uneven-aged0.21001.3415.4196.917
total4.62113.41135.3553.33
SH0 (unstocked)0.0.0.21000.0.0.2100
1-400.21001.2421.4382.824
41-800.0.1.5362.3283.920
81-1200.0.0.6553.5214.018
121-1600.0.0.21000.6550.849
over 1600.0.0.21000.21000.469
uneven-aged0.21000.0.0.0.0.2100
total0.5703.9207.91012.33
SO0 (unstocked)0.0.0.21000.0.0.2100
1-401.7371.9334.2207.713
41-800.0.1.1414.6195.717
81-1200.7513.4228.31312.510
121-1600.3711.6352.5264.520
over 1600.0.0.0.0.21000.2100
uneven-aged0.0.0.21001.1451.341
total2.7278.31421.0632.12
SZ0 (unstocked)0.6570.0.0.8491.436
1-400.21001.0443.3234.519
41-800.21000.9442.6263.821
81-1200.21003.2234.3217.614
121-1600.0.2.5273.1245.617
over 1600.21002.3281.3373.821
uneven-aged0.21000.4711.2411.833
total1.53510.31116.7828.54
TG0 (unstocked)0.5680.21000.5681.237
1-400.5492.5212.6225.612
41-800.4731.3361.3353.023
81-1200.0.2.0313.8195.815
121-1600.0.0.8501.7332.526
over 1600.0.0.0.0.11000.1100
uneven-aged0.5680.7560.7511.832
total1.9287.41310.8920.12
TI0 (unstocked)0.21000.6580.0.0.850
1-401.43813.41114.51129.27
41-800.0.10.31320.2930.67
81-1200.0.2.0328.51510.513
121-1600.31002.4294.8217.416
over 1600.5723.7235.0199.214
uneven-aged0.6589.41423.6833.67
total2.82741.8676.64121.32
UR0 (unstocked)0.21000.0.0.3700.556
1-401.1401.2401.5353.921
41-800.0.0.4711.2401.634
81-1200.0.1.2401.4362.625
121-1600.0.1.0440.8481.831
over 1600.0.1.2390.8502.030
uneven-aged0.0.1.4372.2293.522
total1.3376.4148.21315.86
VD0 (unstocked)0.6570.6581.0452.229
1-400.8504.4219.71314.810
41-801.6353.1257.51512.212
81-1201.6358.01514.61124.28
121-1600.6585.81812.91219.39
over 1600.0.1.7354.5206.117
uneven-aged0.21006.01810.61316.810
total5.41929.6760.6495.62
VS0 (unstocked)0.6580.8500.4711.933
1-401.83310.4138.81521.19
41-801.0455.4188.91415.211
81-1200.4713.7238.61512.712
121-1600.8504.81912.21217.89
over 1600.6584.62011.61216.710
uneven-aged0.8507.31620.3928.47
total6.01837.0670.84113.82
ZG0 (unstocked)0.0.0.11000.11000.367
1-400.5670.0.0.8491.236
41-800.11000.21001.2381.533
81-1200.0.0.3671.8252.123
121-1600.0.0.0.0.4720.472
over 1600.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.21000.2100
total0.6570.6464.5125.76
ZH0 (unstocked)0.21000.21000.4720.950
1-400.9454.8177.21512.910
41-800.21004.5204.6209.313
81-1201.4386.21710.11217.78
121-1600.6581.7352.4294.720
over 1600.0.0.0.0.21000.2100
uneven-aged1.1441.1441.6353.823
total4.42018.6826.3649.42
Switzerland0 (unstocked)8.3169.11511.71329.08
1-4018.61083.25114.14216.03
41-809.81459.96103.44173.13
81-12012.01388.05151.93252.02
121-1606.41753.56110.44170.33
over 1602.03230.3860.4592.74
uneven-aged8.61568.75148.63225.93
total65.85392.72700.611159.11
© WSL, Swiss National Forest Inventory, 25.06.2020 #793970/260302
NFI1
forest area
stand stability · stand age (classes of 40 years)
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
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0 (unstocked)2.1301.0451.7351.0451.0450.6587.516
1-400.0.0.0.0.21000.0.0.21000.0.0.471
41-800.21000.0.0.0.0.0.0.0.0.0.0.2100
81-1200.0.0.21000.21000.0.0.0.0.0.0.471
121-1600.21000.0.0.0.0.0.0.21000.0.0.471
over 1600.0.0.0.0.0.0.0.0.21000.0.0.2100
uneven-aged14.31211.0137.5165.4194.0224.32146.56
total16.81112.2139.6146.4175.6194.92055.66
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-406.0182.2303.2252.2302.2302.23018.110
41-804.9203.2251.8331.2411.2410.0.12.313
81-1203.8231.7351.4381.2410.6580.4719.015
121-1601.2411.2410.21000.0.1.4380.0.4.022
over 1600.6580.6580.21000.4710.6570.21002.628
uneven-aged5.5194.1222.4292.6284.0221.83320.310
total21.9913.0129.2147.61610.0144.62166.35
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.21000.0.0.2100
1-4039.6712.4129.5144.8206.41722.4995.04
41-8038.4716.51112.1124.0223.3248.11582.25
81-12049.0623.2912.6123.8224.7212.92596.24
121-1606.5178.8154.7203.82210.1145.31939.27
over 1602.2303.8232.6284.6208.0154.52125.79
uneven-aged43.5636.0717.51017.01026.2819.59159.73
total179.23100.8358.8538.1658.9562.74498.42
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4020.895.1203.1263.3243.42314.41150.16
41-8036.078.4155.9184.5202.42912.01269.25
81-12058.7514.4129.8136.8174.0226.817100.64
121-16020.5108.7157.1164.3217.7163.82352.16
over 1605.6193.6233.7237.21610.3132.82633.28
uneven-aged61.1528.8814.01125.4824.6817.710171.63
total202.7269.0543.6651.5552.5557.45476.72
total0 (unstocked)2.1301.0451.7351.0451.2410.6587.716
1-4066.3519.71016.01110.41312.21239.06163.63
41-8079.5428.1819.799.7146.91720.19163.93
81-120111.5439.5624.0811.8129.31410.113206.23
121-16028.4818.71012.0128.11519.499.01495.74
over 1608.4158.0166.51712.31219.297.51661.75
uneven-aged124.4380.0441.3650.4558.8543.26398.22
total420.61194.91121.32103.62127.02129.521096.91
© WSL, Swiss National Forest Inventory, 25.06.2020 #793971/260303
NFI1
forest area
stand stability · stand age (classes of 40 years)
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
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0 (unstocked)1.8231.9231.6261.2291.0320.4507.911
1-400.11000.0.0.11000.11000.11000.11000.545
41-800.2710.3580.0.0.0.0.0.0.3580.835
81-1200.3580.11000.11000.0.0.0.0.0.0.545
121-1600.2710.0.0.0.0.0.0.11000.11000.450
over 1600.0.0.0.0.0.0.0.0.11000.0.0.1100
uneven-aged13.499.7108.8116.1134.4153.61746.05
total16.0812.0910.6107.4115.7134.51556.24
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-405.2142.6203.2182.4202.2212.42018.07
41-803.8162.8191.1300.9331.3280.54510.510
81-1203.1182.1221.6251.2290.8350.2719.011
121-1600.8351.2290.5450.2711.6250.11004.515
over 1600.5451.3280.5450.4500.5450.11003.317
uneven-aged4.4154.3152.7192.4204.6151.82320.37
total17.9714.389.6107.61111.195.11465.64
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.11000.0.0.1100
1-4040.3511.698.7114.7147.41123.1695.83
41-8041.7517.1712.094.2153.7168.91087.53
81-12048.4423.5611.994.1155.1143.81696.83
121-1607.9119.8105.8133.81610.895.41343.55
over 1601.8244.2152.3213.6167.7114.01623.76
uneven-aged42.4535.4518.9715.1826.0620.27158.02
total182.52101.8259.6335.6560.7365.43505.51
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4022.565.4133.8163.5172.61914.0851.84
41-8034.557.5114.8144.6142.42010.21064.04
81-12059.9413.2810.896.3124.5156.112100.83
121-16021.477.1125.7135.2147.6113.71650.74
over 1605.8134.3153.4177.5119.8102.52033.35
uneven-aged62.5429.6513.4824.7625.3619.97175.52
total206.6267.2341.9451.8352.3456.43476.11
total0 (unstocked)1.8231.9231.6261.2291.1300.4508.011
1-4068.1319.6715.8810.7912.3939.54166.12
41-8080.2327.7617.979.7107.41119.97162.92
81-120111.7338.9524.4611.7910.41010.19207.12
121-16030.3618.1712.199.21020.179.31099.13
over 1608.2119.9106.21211.5918.176.61260.54
uneven-aged122.7279.1343.9448.4460.3345.64399.91
total422.90195.21121.81102.42129.71131.411103.50
© WSL, Swiss National Forest Inventory, 25.06.2020 #793972/260304
NFI2
forest area
stand stability · stand age (classes of 40 years)
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
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0 (unstocked)1.4382.9264.0221.9332.2300.85013.212
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.4382.9264.0221.9332.2300.85013.212
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-402.7272.8273.1252.4293.6234.32119.010
41-802.0323.7231.2411.5351.2411.04510.614
81-1206.8174.6213.4231.0451.2410.65817.611
121-1601.6352.8271.9311.0451.8330.8509.814
over 1600.0.0.6582.6281.7333.5241.4389.814
uneven-aged0.8503.2250.8502.0320.4711.0458.116
total13.81217.71013.0129.61411.7139.11474.95
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4035.1710.7139.5149.2146.81717.41088.64
41-8032.7714.81112.1125.9184.42113.41283.25
81-12061.5528.8814.5115.5196.7174.820121.84
121-16019.81016.3116.7166.11712.7124.62066.25
over 1603.5245.7185.3198.71419.0103.82345.86
uneven-aged8.11616.0119.81410.4138.91410.01463.25
total160.7392.3457.9545.6558.5553.95468.82
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4037.176.5176.7175.0205.41913.81174.45
41-8050.169.3156.3176.1171.43812.31285.65
81-12081.6416.81111.9126.7175.1207.216129.34
121-16037.1713.4126.0185.3198.3157.51677.75
over 1607.2167.2162.4296.71716.5102.42942.47
uneven-aged23.0920.3107.01712.21212.31216.11190.95
total236.1273.6440.3641.9648.9559.35500.22
total0 (unstocked)1.4382.9264.0221.9332.2300.85013.212
1-4075.0419.91019.3916.61015.81035.57182.03
41-8084.8427.9819.5913.5117.01726.78179.33
81-120149.8350.2629.9713.11213.01212.612268.72
121-16058.5532.5714.71112.31222.8912.912153.73
over 16010.71313.51210.21317.11038.967.51698.04
uneven-aged31.9839.5617.61024.6821.6927.18162.23
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 25.06.2020 #793973/260305
NFI2
forest area
stand stability · stand age (classes of 40 years)
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
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0 (unstocked)1.4382.9264.2212.1312.4290.85013.812
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.4382.9264.2212.1312.4290.85013.812
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-402.9263.0263.9232.4295.4195.31923.09
41-802.4293.7231.4381.5351.2411.24111.313
81-1206.8174.6213.4231.0451.2410.65817.611
121-1601.6353.1251.9311.0451.8330.85010.214
over 1600.0.0.6582.8261.7333.7231.43810.214
uneven-aged0.8503.2251.0452.0320.4711.0458.315
total14.41218.21014.4119.61413.71210.31480.75
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4035.7712.31211.31310.8139.41420.1999.74
41-8033.3715.91112.7126.0184.82014.01186.75
81-12062.6530.0815.1115.9186.9174.820125.44
121-16020.41016.5116.7166.11713.5124.62067.85
over 1603.5246.1185.9188.71420.494.32148.86
uneven-aged8.11617.81010.61311.0139.91410.91368.45
total163.6398.6362.4448.5564.9458.85496.72
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4040.577.9167.7166.4177.01615.91185.45
41-8051.1610.1146.9176.5171.83313.71290.14
81-12083.8417.21113.7116.9165.1207.316134.14
121-16038.6714.0126.0185.4199.7148.11581.95
over 1607.8167.6162.6277.31617.3103.22545.86
uneven-aged23.9922.598.01613.21214.71118.510100.94
total245.7279.5444.8645.8555.6566.74538.11
total0 (unstocked)1.4382.9264.2212.1312.4290.85013.812
1-4079.1423.3922.9819.7921.7941.36208.13
41-8086.8429.7820.9914.1117.81628.98188.23
81-120153.2351.9632.3713.71113.21212.812277.02
121-16060.5533.7714.71112.51225.0813.511159.93
over 16011.31314.31111.21317.71041.468.914104.84
uneven-aged32.8743.5619.61026.1825.0830.47177.53
total425.21199.21125.92105.92136.62136.621129.41
© WSL, Swiss National Forest Inventory, 25.06.2020 #793974/260306
NFI2
forest area
stand stability · stand age (classes of 40 years)
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
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0 (unstocked)1.3382.8254.8192.0302.3270.75013.911
1-400.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-1200.0.0.0.0.0.0.0.0.0.0.0.0.0.
121-1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
over 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
uneven-aged0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total1.3382.8254.8192.0302.3270.75013.911
critical0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-402.6263.1243.5232.5275.5174.71921.99
41-802.3284.2211.5331.5331.6331.14112.212
81-1206.7164.8193.4221.0411.3380.65817.810
121-1601.6333.2232.1290.8452.0300.75010.313
over 1600.0.0.6582.7252.1294.0211.23810.613
uneven-aged0.7502.8251.0412.2280.4711.0418.215
total13.91118.6914.31110.21314.7119.31380.95
less stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4037.5612.51211.71210.5129.01420.29101.34
41-8033.7716.01012.6115.9174.91914.51187.64
81-12060.5530.1714.8105.8177.3154.919123.34
121-16020.9916.9107.1156.31614.0114.42069.65
over 1603.5236.5165.9178.31420.494.22048.76
uneven-aged8.21417.11010.91211.2129.81310.51367.75
total164.2399.1362.8447.9565.4458.84498.21
stable0 (unstocked)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1-4040.668.1157.8156.8167.21515.61086.14
41-8048.8610.1137.4156.4162.03013.71188.44
81-12083.2416.81013.6116.4164.9197.914132.73
121-16039.0613.3115.8175.9179.3138.11481.44
over 1608.2158.0152.5267.21516.6103.22345.56
uneven-aged23.0822.989.11413.71113.81118.79101.34
total242.7279.2446.1546.4553.7567.24535.31
total0 (unstocked)1.3382.8254.8192.0302.3270.75013.911
1-4080.7423.7822.9819.8921.6840.66209.33
41-8084.8430.3721.5813.8118.51429.37188.23
81-120150.4351.6531.7613.21113.51113.311273.72
121-16061.5533.4714.91013.01125.3813.211161.23
over 16011.61215.11111.11217.5940.968.614104.84
uneven-aged31.9742.8621.1927.2723.9830.37177.23
total422.11199.71128.02106.42136.12136.021128.41
© WSL, Swiss National Forest Inventory, 25.06.2020 #793975/260307
NFI4
forest area
stand stability · stand age (classes of 40 years)
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical0 (unstocked)0.6581.0450.6580.6580.6580.21003.624
1-403.9223.1263.3252.7262.3291.93117.311
41-801.9320.8501.0452.2302.1303.82311.813
81-1201.6350.8500.7500.4711.0450.21004.820
121-1600.0.1.6350.8501.3371.0450.21004.920
over 1600.0.0.21000.4710.6580.21000.0.1.438
uneven-aged1.4383.4240.8501.4381.0451.8339.714
total9.51410.9137.7169.2148.2158.21553.56
less stable0 (unstocked)0.6581.4380.8500.6581.0450.4714.920
1-4049.6613.71213.2126.1186.5177.71696.94
41-8028.9812.9129.3148.4156.01824.3889.84
81-12037.9716.11110.9134.2216.7175.41981.15
121-16016.51114.6119.9136.41710.4136.01863.65
over 1603.7237.8162.1306.9166.8165.11932.48
uneven-aged22.7927.4811.81311.81211.11320.89105.54
total159.9394.0457.9544.3548.7569.64474.32
stable0 (unstocked)2.5293.2250.8501.6351.7350.85010.614
1-4042.1611.1134.8202.7275.3192.82768.85
41-8044.469.1155.5196.1174.82010.61380.55
81-12069.6514.81116.1104.2229.2144.321118.14
121-16035.679.4147.9153.9229.9145.21971.95
over 1605.4196.3174.4206.21713.9115.51941.77
uneven-aged43.0627.6810.21420.9919.8916.211137.74
total242.7281.6449.7545.6564.5445.36529.31
total0 (unstocked)3.8235.7182.2302.9263.3251.43819.210
1-4095.7427.9821.3911.61314.01112.512183.03
41-8075.3522.8915.91116.71012.91238.76182.13
81-120109.1331.7727.778.71416.9109.814204.03
121-16052.1625.6818.5911.51221.3911.413140.43
over 1609.11514.3116.91613.61121.0910.61375.55
uneven-aged67.0558.4522.8934.1732.0738.86252.92
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 25.06.2020 #793976/260308
NFI4
forest area
stand stability · stand age (classes of 40 years)
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical0 (unstocked)0.6581.0450.6580.6580.8500.21003.923
1-404.1225.1204.1224.8204.5214.52127.18
41-801.9321.0451.8332.5283.1254.42114.811
81-1201.6350.8500.7500.4711.2410.21005.020
121-1600.0.1.6350.8501.3371.0450.21004.920
over 1600.0.0.4710.4710.6580.21000.0.1.635
uneven-aged1.4383.4241.2412.0321.4382.03211.313
total9.61413.3129.71412.21212.21211.51368.65
less stable0 (unstocked)0.8501.4380.8500.6581.0450.6585.320
1-4051.6618.81019.3911.01312.71214.411127.84
41-8029.7814.71110.9139.4147.01627.8899.64
81-12038.3716.91011.4124.2217.3165.61983.75
121-16016.51115.61110.1136.71610.8136.11865.85
over 1603.9237.8162.5287.5157.2165.51934.57
uneven-aged24.7929.4813.21214.21114.51126.78122.64
total165.53104.8368.2453.6560.6586.73539.32
stable0 (unstocked)2.5293.2250.8501.6351.9330.85010.814
1-4044.3612.6125.8185.2209.1157.31684.25
41-8044.8610.1146.5177.8166.61713.51289.34
81-12071.4516.01116.7105.4199.6145.119124.14
121-16037.0710.0149.0144.02111.0135.41876.55
over 1606.0186.3174.8206.41714.7116.21744.56
uneven-aged46.7632.4712.81224.9826.1821.89164.73
total252.8290.7456.4555.3578.8460.15594.01
total0 (unstocked)3.9235.7182.2302.9263.7231.63520.010
1-40100.0336.5729.2721.0926.3826.18239.12
41-8076.5525.9819.31019.7916.61045.76203.73
81-120111.3333.7728.979.91318.11010.813212.83
121-16053.5627.2819.9912.11222.7911.812147.23
over 1609.91414.5117.71514.51122.2911.81280.55
uneven-aged72.7565.2527.2841.1642.0650.55298.72
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 25.06.2020 #793977/260309
NFI3
forest area
stand stability · stand age (classes of 40 years)
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
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical0 (unstocked)2.3301.9331.8330.6581.0450.6588.216
1-407.0171.7351.4381.4380.9450.85013.312
41-805.0202.1300.7501.0450.5570.21009.614
81-1206.9171.9311.2410.4710.4710.47111.213
121-1602.8271.5380.8500.8500.4710.4716.617
over 1600.0.0.4710.21000.6580.4710.4712.032
uneven-aged2.8271.4380.6580.8500.6580.6586.817
total26.8810.8136.8175.6194.3213.42457.66
less stable0 (unstocked)3.1262.6270.4710.8501.5370.6589.015
1-4033.677.7166.2186.9164.6209.51468.65
41-8023.897.2175.3194.8192.72612.51256.36
81-12044.9618.31010.6133.5236.1183.22586.55
121-16016.31114.3115.7184.4206.5173.92251.26
over 1603.8235.6194.7204.6206.6173.82328.98
uneven-aged10.61322.594.0225.9188.31510.41361.66
total136.1378.2436.8630.9736.3743.86362.12
stable0 (unstocked)3.1264.7202.0310.4711.4380.0.11.713
1-4047.1610.91311.2136.2188.1158.61592.04
41-8040.0710.6149.9148.1156.71721.6996.94
81-12081.3417.41019.098.2159.41411.113146.43
121-16038.0716.51116.21011.41215.4117.416105.04
over 1607.4169.9145.51910.31317.0106.11856.26
uneven-aged32.2727.487.91617.91022.8921.19129.24
total249.2297.4371.6462.5480.8375.94637.41
total0 (unstocked)8.5159.2144.2211.9333.9231.24128.88
1-4087.8420.3918.81014.51113.61118.810173.93
41-8068.8519.91015.91113.8119.91334.47162.73
81-120133.2337.6730.8712.11215.81114.611244.12
121-16057.0532.3722.7816.61022.4911.812162.83
over 16011.21315.91110.41315.51024.0810.21387.14
uneven-aged45.6651.3612.41224.6831.6732.17197.63
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 25.06.2020 #793978/260310
NFI3
forest area
stand stability · stand age (classes of 40 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical0 (unstocked)2.2292.0301.6330.5581.1410.5588.015
1-407.5152.3282.8262.0301.6332.12918.210
41-805.5182.4270.7501.1410.8450.210010.713
81-1207.0162.2281.2380.4710.5580.55811.912
121-1602.7261.8320.7500.9450.6580.6577.216
over 1600.0.0.5580.21000.5580.6580.4712.129
uneven-aged2.9251.9300.7500.7501.0410.7508.015
total27.8813.1117.9156.1176.1175.11966.15
less stable0 (unstocked)2.9252.6260.4710.9451.3380.5588.614
1-4035.0710.8137.51510.8128.21415.41087.64
41-8025.587.4155.6185.7173.32313.91161.45
81-12045.3618.6911.4113.6226.5163.72289.14
121-16016.61014.8116.3164.7197.2154.02153.66
over 1603.4236.0174.5195.2187.4154.42031.07
uneven-aged12.11223.084.8196.8169.51312.41268.65
total140.8383.3440.4637.7643.4654.45399.92
stable0 (unstocked)3.1245.3182.3270.6581.3380.0.12.612
1-4048.6513.91114.1119.41315.11015.410116.54
41-8040.8610.51310.8128.5147.71522.98101.24
81-12083.2418.1921.488.41410.61312.012153.73
121-16040.0617.71017.3911.71216.6107.914111.34
over 1607.21610.2136.41612.31117.997.91562.05
uneven-aged35.2732.0710.41320.0926.4827.37151.33
total258.02107.8382.8370.8495.6393.53708.51
total0 (unstocked)8.3149.9134.3202.0303.6221.14129.28
1-4091.0427.0824.4822.2824.8832.97222.32
41-8071.8520.3917.01015.31011.91237.06173.23
81-120135.4338.9634.0612.41117.61016.310254.72
121-16059.3534.4724.3817.3924.3812.511172.13
over 16010.61316.81011.11218.0925.9812.81195.14
uneven-aged50.1656.9515.91027.6737.0640.46227.93
total426.61204.21131.02114.72145.12152.921174.50
© WSL, Swiss National Forest Inventory, 25.06.2020 #793979/260311
NFI4
forest area
stand stability · stand age (classes of 40 years)
unit of reference: protection forest region
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 region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical0 (unstocked)0.6581.0450.6580.6580.8500.21003.923
1-403.9224.5214.1224.0224.1223.92224.59
41-801.9320.8501.4382.5283.1254.22214.012
81-1201.6350.8500.7500.4711.2410.21005.020
121-1600.0.1.6350.8501.3371.0450.21004.920
over 1600.0.0.4710.4710.6580.21000.0.1.635
uneven-aged1.4383.4241.0451.8331.2411.83310.514
total9.51412.5129.11411.21311.61310.51364.45
less stable0 (unstocked)0.8501.4380.8500.6581.0450.6585.320
1-4051.2616.81116.9108.61510.71313.612117.84
41-8029.7814.31210.5139.4146.81727.0897.84
81-12037.9716.71011.1134.2217.1165.61982.55
121-16016.51115.41110.1136.71610.8136.11865.65
over 1603.9237.8162.1307.5157.0165.51933.97
uneven-aged23.9929.2812.81213.81113.11224.28117.14
total163.93101.7364.2450.8556.6582.74519.92
stable0 (unstocked)2.5293.2250.8501.6351.9330.85010.814
1-4043.5612.2125.4194.6218.5155.91880.05
41-8044.869.7146.1186.5176.01812.71285.95
81-12070.6515.21116.5105.0209.4144.521121.14
121-16036.6710.0148.8144.02111.0135.21975.75
over 1605.8186.3174.8206.41714.3116.21743.97
uneven-aged45.5630.6811.81323.7823.7921.49156.73
total249.4287.2454.3551.8574.6456.85574.11
total0 (unstocked)3.9235.7182.2302.9263.7231.63520.010
1-4098.6333.5726.4817.11023.3923.49222.33
41-8076.5524.8918.11018.51015.91144.06197.73
81-120110.1332.7728.379.51417.71010.213208.63
121-16053.1627.0819.7912.11222.7911.612146.23
over 1609.71414.5117.31614.51121.6911.81279.35
uneven-aged70.7563.2525.6839.3638.0647.56284.32
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 25.06.2020 #793980/260312
NFI3
forest area
stand stability · stand age (classes of 40 years)
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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical0 (unstocked)2.3302.1311.8330.6581.0450.6588.415
1-407.8162.5292.7282.0321.8332.42919.110
41-805.2202.1300.7501.0450.7500.210010.014
81-1207.1172.3291.2410.4710.4710.47111.813
121-1602.8271.5380.8500.8500.4710.4716.617
over 1600.0.0.6580.21000.6580.4710.4712.230
uneven-aged3.0262.0320.8500.8501.2410.8508.615
total28.2813.0128.2156.2185.9185.21966.75
less stable0 (unstocked)3.1262.6270.4710.8501.5370.6589.015
1-4034.0710.0147.61610.4138.41515.31185.85
41-8025.298.0165.8185.4183.12514.11161.66
81-12045.7619.11011.4123.7236.1183.72389.64
121-16016.91114.9115.9185.0196.9173.92253.66
over 1603.8236.0184.7204.6207.2164.52130.78
uneven-aged11.61323.594.4217.31610.11412.11268.95
total140.2384.1440.2637.2643.2654.35399.32
stable0 (unstocked)3.1264.7202.0310.4711.4380.0.11.713
1-4048.7614.01213.6128.81514.91115.411115.54
41-8041.0711.21311.2138.9147.71623.48103.34
81-12083.6418.41020.798.8149.81412.312153.53
121-16040.1718.31018.21012.21216.7107.815113.34
over 1607.41610.1145.91811.71218.2108.01561.45
uneven-aged35.1731.9710.51420.5927.8827.38153.03
total258.92108.6382.0471.4496.5394.23711.61
total0 (unstocked)8.5159.4144.2211.9333.9231.24129.08
1-4090.5426.5823.9821.3925.1833.17220.43
41-8071.3521.3917.71015.21111.51337.76174.93
81-120136.4339.7633.3712.91216.21116.410254.92
121-16059.7534.7724.9818.0924.0812.212173.53
over 16011.21316.61110.81316.91025.8813.01294.34
uneven-aged49.7657.4515.61128.6739.1640.26230.63
total427.31205.61130.42114.82145.62153.721177.51
© WSL, Swiss National Forest Inventory, 25.06.2020 #793981/260313
NFI1
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic 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
stand stability
n/acriticalless stablestabletotal
economic regionstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0 (unstocked)0.6580.0.0.0.0.0.0.658
1-400.0.1.3387.7152.72711.812
41-800.21000.94513.11111.41325.68
81-1200.0.1.43814.11120.5936.06
121-1600.0.0.0.2.9269.81412.712
over 1600.0.0.4710.9453.6234.920
uneven-aged4.6200.65815.11132.9753.25
total5.4194.62053.8580.94144.81
Eastern Jura0 (unstocked)0.31000.0.0.0.0.0.0.3100
1-400.0.0.6585.3193.1268.914
41-800.0.0.21003.7234.9208.814
81-1200.0.0.6586.3177.01613.910
121-1600.0.0.4710.8502.6283.823
over 1600.0.0.0.0.0.0.21000.2100
uneven-aged2.6270.0.3.1254.1229.813
total2.9261.83319.2821.8745.72
Western Plateau0 (unstocked)0.9490.0.0.0.0.0.0.949
1-400.0.0.4713.2254.9208.614
41-800.0.0.4713.4245.3199.113
81-1200.0.0.21004.3216.51711.012
121-1600.0.0.21000.6573.1254.022
over 1600.0.0.0.0.8501.7352.628
uneven-aged0.6581.0444.2225.02010.913
total1.5372.33016.6926.6647.02
Central Plateau0 (unstocked)0.5580.0.0.0.0.0.0.558
1-400.0.1.5358.0153.72213.211
41-800.0.1.5357.3163.02511.812
81-1200.0.1.0459.5139.51320.18
121-1600.0.0.0.0.8501.7332.528
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged1.5351.83110.4137.01620.88
total2.1305.91736.0524.9769.01
Eastern Plateau0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.2.03015.0106.21723.28
41-800.0.1.6359.91411.51223.08
81-1200.0.0.65814.01114.41129.07
121-1600.21000.6581.1412.6284.521
over 1600.0.0.21000.4710.21000.750
uneven-aged3.3241.93210.3139.71425.28
total3.5236.71650.7544.75105.61
Western Pre-Alps0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.21003.6221.0454.819
41-800.0.1.4383.7221.2416.417
81-1200.0.0.21003.1263.9237.216
121-1600.0.0.6592.3292.1305.119
over 1600.0.0.0.0.9440.7491.633
uneven-aged3.0271.9354.4215.81815.010
total3.2264.32218.1914.71040.33
Central Pre-Alps0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.9455.3191.6357.815
41-800.0.0.8509.4144.42214.611
81-1200.21000.85015.9118.01624.98
121-1600.0.0.4713.0263.1256.617
over 1600.0.0.0.0.6581.0451.535
uneven-aged4.1221.73319.4914.21139.56
total4.5214.72053.6432.3795.12
Eastern Pre-Alps0 (unstocked)0.7580.0.0.0.0.0.0.758
1-400.0.1.5385.6192.4309.514
41-800.0.0.6586.5173.92211.112
81-1200.0.0.21006.7167.11614.011
121-1600.0.0.0.1.0454.1215.119
over 1600.0.0.0.0.6581.4382.031
uneven-aged3.4251.24011.6129.11425.38
total4.1223.52432.0628.1767.73
Northwestern Alps0 (unstocked)0.6580.0.0.0.0.0.0.658
1-400.0.0.8502.7272.1315.619
41-800.0.1.0452.9262.3296.317
81-1200.0.0.5583.6222.6276.816
121-1600.0.0.21003.3253.5247.016
over 1600.0.0.4712.2301.8334.421
uneven-aged2.9260.47110.5136.61720.48
total3.5243.52425.2718.9951.13
Central Alps0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.4711.4370.6582.428
41-800.0.0.6583.1230.8494.419
81-1200.21000.4712.8241.2414.619
121-1600.0.0.21002.3270.9443.522
over 1600.0.0.0.0.6570.7501.337
uneven-aged1.0440.0.2.6271.0444.619
total1.4361.63512.795.21820.95
Northeastern Alps0 (unstocked)0.7500.0.0.0.0.0.0.750
1-400.21001.3382.2300.21003.922
41-800.0.0.6582.0321.0453.523
81-1200.0.0.5582.6241.5354.617
121-1600.0.0.0.1.4381.9333.324
over 1600.0.0.21001.4381.4373.025
uneven-aged1.1450.6582.3283.7227.615
total2.0323.12411.9119.61326.65
Southwestern Alps0 (unstocked)1.0450.0.0.0.0.0.1.045
1-400.0.2.0314.4213.1259.614
41-800.0.1.2414.0224.1219.314
81-1200.0.1.2413.8225.81810.813
121-1600.0.0.0.3.8224.1217.915
over 1600.0.0.4714.6207.01612.112
uneven-aged4.0222.62816.81025.0848.45
total5.0207.41637.5649.1599.02
Southeastern Alps0 (unstocked)0.8500.0.0.21000.0.1.045
1-400.21002.2306.0183.22411.612
41-800.0.1.2413.1252.4296.717
81-1200.0.0.6584.7213.6238.915
121-1600.0.1.4389.9147.31618.610
over 1600.21000.6578.01510.11419.010
uneven-aged3.0263.82325.2823.6855.65
total4.2229.81457.1550.35121.32
Southern Alps0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.2.03221.2913.31236.46
41-800.0.0.0.7.71611.81319.59
81-1200.0.0.4712.9256.4179.814
121-1600.0.0.0.5.1193.8238.814
over 1600.0.0.21004.3212.8267.316
uneven-aged3.3241.83318.51017.51041.16
total3.5234.42159.7555.55123.12
Switzerland0 (unstocked)7.0170.0.0.21000.0.7.217
1-400.47117.21191.6448.06157.23
41-800.210012.11379.8568.05160.13
81-1200.4718.61594.3498.14201.43
121-1600.21004.12238.4750.7693.54
over 1600.21002.42925.4932.6860.65
uneven-aged38.5719.310154.43165.23377.52
total46.9663.65484.12462.721057.41
© WSL, Swiss National Forest Inventory, 25.06.2020 #793982/260314
NFI3
forest area
stand stability · stand age (classes of 40 years)
unit of reference: protection forest region
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 region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
stand stabilitystand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical0 (unstocked)2.3301.9331.8330.6581.0450.6588.216
1-407.8162.3302.7281.8331.8332.23018.510
41-805.0202.1300.7501.0450.7500.21009.814
81-1207.1172.3291.2410.4710.4710.47111.813
121-1602.8271.5380.8500.8500.4710.4716.617
over 1600.0.0.4710.21000.6580.4710.4712.032
uneven-aged3.0261.8330.8500.8501.2410.8508.415
total28.0812.2128.2156.0185.9185.02065.35
less stable0 (unstocked)3.1262.6270.4710.8501.5370.6589.015
1-4033.879.2157.41610.4138.01514.51183.45
41-8024.297.8165.4195.4183.12513.51259.46
81-12045.3618.91011.3123.7236.1183.42488.55
121-16016.91114.7115.9184.8196.9173.92253.26
over 1603.8236.0184.7204.6207.0164.32130.48
uneven-aged11.21323.594.4217.3169.91412.11268.35
total138.3382.7439.4637.0642.4652.45392.22
stable0 (unstocked)3.1264.7202.0310.4711.4380.0.11.713
1-4048.7613.61213.6128.81514.31115.211114.34
41-8040.8711.01310.8138.9147.71623.29102.34
81-12083.0418.01020.098.6159.61411.913151.03
121-16039.2718.11017.61012.21216.5107.616111.24
over 1607.41610.1145.91811.61218.0108.01561.05
uneven-aged34.3731.1810.11420.3927.0826.78149.43
total256.52106.6379.9470.8494.5392.63701.01
total0 (unstocked)8.5159.2144.2211.9333.9231.24128.88
1-4090.3425.1823.7821.1924.1831.97216.23
41-8070.0520.9916.91015.21111.51336.96171.53
81-120135.4339.2632.5712.71216.01115.611251.42
121-16058.9534.3724.3817.8923.8812.012171.13
over 16011.21316.41110.81316.71025.4812.81293.34
uneven-aged48.5656.4515.21128.4738.1639.66226.13
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 25.06.2020 #793983/260315
NFI1
forest area
stand stability · stand age (classes of 40 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
stand stability
n/acriticalless stablestabletotal
economic regionstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0 (unstocked)0.6580.0.0.0.0.0.0.658
1-400.0.1.3387.7152.72711.812
41-800.21000.94513.11111.61225.88
81-1200.0.1.43814.11120.7936.26
121-1600.0.0.0.2.92610.61313.512
over 1600.0.0.4710.9453.6234.920
uneven-aged5.0190.65815.51134.3755.45
total5.8184.62054.2583.53148.21
Eastern Jura0 (unstocked)0.31000.0.0.0.0.0.0.3100
1-400.0.0.6585.3193.1268.914
41-800.0.0.21003.7234.9208.814
81-1200.0.0.6586.3177.01613.910
121-1600.0.0.4710.8502.6283.823
over 1600.0.0.0.0.0.0.21000.2100
uneven-aged2.9260.0.3.1254.12210.113
total3.2251.83319.2821.8746.02
Western Plateau0 (unstocked)0.9490.0.0.0.0.0.0.949
1-400.0.0.4713.2254.9208.614
41-800.0.0.6583.7235.3199.613
81-1200.0.0.21004.3216.51711.012
121-1600.0.0.21000.6573.1254.022
over 1600.0.0.0.0.8501.7352.628
uneven-aged1.3411.0444.2225.61812.112
total2.2312.52816.8927.2648.72
Central Plateau0 (unstocked)0.5580.0.0.0.0.0.0.558
1-400.0.1.5358.0153.72213.211
41-800.0.1.5357.5163.02512.012
81-1200.0.1.0459.7139.91320.78
121-1600.0.0.0.1.0451.7332.727
over 1600.0.0.0.0.0.0.0.0.0.
uneven-aged1.7331.83110.4137.01621.08
total2.3295.91736.6525.3770.11
Eastern Plateau0 (unstocked)0.0.0.0.0.0.0.0.0.0.
1-400.0.2.03015.2106.81624.07
41-800.0.1.63510.31311.51223.48
81-1200.0.0.65814.21114.41129.27
121-1600.21000.6581.1412.6284.521
over 1600.0.0.21000.4710.21000.750
uneven-aged3.5231.93210.31310.31326.08
total3.7236.71651.5545.85107.71
Western Pre-Alps0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.21003.6221.0454.819
41-800.0.1.4383.7221.2416.417
81-1200.0.0.21003.1263.9237.216
121-1600.0.0.6592.3292.1305.119
over 1600.0.0.0.0.9440.7491.633
uneven-aged3.8231.9354.4216.01816.110
total4.0234.32218.1914.91041.33
Central Pre-Alps0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.1.1415.9181.6358.515
41-800.0.0.8509.6144.62115.111
81-1200.21000.85016.1108.21625.38
121-1600.0.0.4713.0263.1256.617
over 1600.0.0.21000.6581.0451.733
uneven-aged4.3212.03120.4914.81141.56
total4.7205.31955.6433.3798.92
Eastern Pre-Alps0 (unstocked)0.7580.0.0.0.0.0.0.758
1-400.0.1.5385.6192.4309.514
41-800.0.0.6586.7173.92211.212
81-1200.0.0.21006.7167.11614.011
121-1600.0.0.0.1.0454.3215.319
over 1600.0.0.0.0.6581.4382.031
uneven-aged4.7211.24012.2129.31427.37
total5.4193.52432.8628.4770.12
Northwestern Alps0 (unstocked)0.6580.0.0.0.0.0.0.658
1-400.0.0.8502.7272.5296.018
41-800.0.1.0453.1252.7276.916
81-1200.0.0.5584.0212.6277.115
121-1600.0.0.21003.5243.5247.216
over 1600.0.0.4712.2301.8334.421
uneven-aged3.1260.47111.1127.81522.48
total3.8233.52426.5720.9854.73
Central Alps0 (unstocked)0.21000.0.0.0.0.0.0.2100
1-400.0.0.4711.4370.6582.428
41-800.0.0.6583.5220.8494.818
81-1200.21000.6583.2221.2415.117
121-1600.0.0.21002.3270.9443.522
over 1600.0.0.0.0.6570.7501.337
uneven-aged1.4370.21002.9251.0445.617
total1.8322.03113.985.21822.95
Northeastern Alps0 (unstocked)0.7500.0.0.0.0.0.0.750
1-400.21001.3382.4280.21004.121
41-800.0.0.6582.0321.2413.722
81-1200.0.0.5582.6241.5354.617
121-1600.0.0.0.1.4381.9333.324
over 1600.0.0.21001.4381.6353.225
uneven-aged1.7350.9452.3283.7228.614
total2.6283.52212.11010.01328.25
Southwestern Alps0 (unstocked)1.0450.0.0.0.0.0.1.045
1-400.0.2.2304.8203.32410.413
41-800.0.1.2414.0224.5209.714
81-1200.0.1.2413.8226.81711.812
121-1600.0.0.0.3.8224.3218.115
over 1600.0.0.4714.6207.21612.312
uneven-aged5.4192.62817.01025.4850.45
total6.4177.61638.1651.55103.62
Southeastern Alps0 (unstocked)1.0450.0.0.21000.0.1.241
1-400.21002.2306.4173.42312.212
41-800.0.1.2413.3242.4296.917
81-1200.0.0.6584.7214.0229.314
121-1600.21001.43810.1147.71619.49
over 1600.21000.6578.01510.31319.29
uneven-aged4.0224.02226.2824.6858.85
total5.61910.01458.9552.55127.02
Southern Alps0 (unstocked)0.6580.0.0.0.0.0.0.658
1-400.0.2.23022.4914.41139.06
41-800.0.0.0.8.11512.01220.19
81-1200.0.0.4712.9256.81710.113
121-1600.0.0.0.5.3193.8239.014
over 1600.0.0.21004.5212.8267.516
uneven-aged4.3211.83319.5917.71043.26
total4.9204.62162.7457.45129.52
Switzerland0 (unstocked)7.6160.0.0.21000.0.7.816
1-400.47117.81094.6450.66163.33
41-800.210012.31382.2569.65164.33
81-1200.4718.81595.74100.74205.53
121-1600.4714.12239.2752.3696.14
over 1600.21002.52825.6933.2861.65
uneven-aged47.1620.310159.63171.53398.42
total56.3665.85497.02477.921097.01
© WSL, Swiss National Forest Inventory, 25.06.2020 #793984/260316
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