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NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
less than 10 years ago35.141.04536.14
11-20 years ago6.4170.21006.616
21-30 years ago1.8330.0.1.833
31-40 years ago0.4700.0.0.470
41-50 years ago0.8500.21001.044
over 50 years ago1.0440.4701.437
total45.721.83347.52
AIn/a0.0.0.0.0.0.
less than 10 years ago0.21000.8480.942
11-20 years ago0.9440.9421.928
21-30 years ago0.0.0.21000.2100
31-40 years ago0.8450.21001.041
41-50 years ago0.21000.4720.657
over 50 years ago0.4700.4720.850
total2.5242.8205.310
ARn/a0.0.0.0.0.0.
less than 10 years ago2.4280.9453.222
11-20 years ago1.6310.9442.523
21-30 years ago0.6480.7491.333
31-40 years ago0.4730.3690.750
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.21000.473
total5.3132.8208.16
BEn/a0.0.0.0.0.0.
less than 10 years ago52.6536.3789.03
11-20 years ago14.61116.21130.77
21-30 years ago6.5179.81416.311
31-40 years ago4.7215.0209.714
41-50 years ago2.9263.8236.717
over 50 years ago8.0168.51516.511
total89.3479.64168.91
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago9.0121.53710.511
11-20 years ago3.7221.4405.019
21-30 years ago1.3400.4701.735
31-40 years ago1.1440.4711.537
41-50 years ago0.21000.21000.470
over 50 years ago1.0480.21001.343
total16.364.12120.43
FRn/a0.0.0.0.0.0.
less than 10 years ago15.797.11522.87
11-20 years ago5.6182.2307.815
21-30 years ago1.8330.7492.627
31-40 years ago1.5381.6333.124
41-50 years ago0.6591.1401.733
over 50 years ago1.7351.7363.325
total27.0514.4941.43
GEn/a0.0.0.0.0.0.
less than 10 years ago2.7190.0.2.719
11-20 years ago0.0.0.0.0.0.
21-30 years ago1.0570.0.1.057
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total3.750.0.3.75
GLn/a0.0.0.0.0.0.
less than 10 years ago1.5352.7254.219
11-20 years ago1.2411.9313.124
21-30 years ago1.0441.3372.328
31-40 years ago0.7480.8491.533
41-50 years ago0.4710.5690.949
over 50 years ago1.2412.1293.323
total6.0169.21115.26
GRn/a0.0.0.0.0.0.
less than 10 years ago15.71120.01035.77
11-20 years ago12.31218.01030.27
21-30 years ago9.21515.01124.29
31-40 years ago7.91611.41319.310
41-50 years ago4.4217.21611.613
over 50 years ago20.4930.1750.56
total69.85101.73171.52
JUn/a0.0.0.0.0.0.
less than 10 years ago12.6105.11817.77
11-20 years ago4.3212.8267.015
21-30 years ago2.1290.9443.124
31-40 years ago1.6350.9422.527
41-50 years ago0.6580.4701.045
over 50 years ago0.8501.3372.129
total21.9611.41133.43
LUn/a0.0.0.0.0.0.
less than 10 years ago20.572.72623.27
11-20 years ago7.3152.92610.212
21-30 years ago1.2400.8492.031
31-40 years ago1.4380.6582.031
41-50 years ago1.0450.21001.340
over 50 years ago1.3410.4711.735
total32.847.61540.42
NEn/a0.0.0.0.0.0.
less than 10 years ago18.573.42221.95
11-20 years ago3.1240.0.3.124
21-30 years ago1.0400.21001.237
31-40 years ago1.0450.0.1.045
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.3710.660
total24.153.92128.03
NWn/a0.0.0.0.0.0.
less than 10 years ago1.8341.2422.925
11-20 years ago1.0491.5372.528
21-30 years ago0.8560.4721.243
31-40 years ago0.0.0.31000.3100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.7570.6571.340
total4.3184.0198.27
OWn/a0.0.0.0.0.0.
less than 10 years ago1.9294.9176.813
11-20 years ago3.4231.0454.420
21-30 years ago1.1420.21001.338
31-40 years ago0.5580.0.0.558
41-50 years ago1.1440.5601.635
over 50 years ago1.9332.6274.520
total9.9119.21119.04
SGn/a0.0.0.0.0.0.
less than 10 years ago11.21211.91223.08
11-20 years ago4.5217.31611.912
21-30 years ago2.2302.8264.919
31-40 years ago1.0452.4293.424
41-50 years ago0.6572.0332.629
over 50 years ago2.9264.5217.516
total22.4830.9653.33
SHn/a0.0.0.0.0.0.
less than 10 years ago5.9140.21006.114
11-20 years ago4.0190.21004.219
21-30 years ago1.6330.0.1.633
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.0.0.2100
over 50 years ago0.21000.0.0.2100
total11.940.46912.33
SOn/a0.0.0.0.0.0.
less than 10 years ago18.171.43819.67
11-20 years ago6.2160.4726.616
21-30 years ago1.3380.0.1.338
31-40 years ago1.2410.21001.338
41-50 years ago1.1450.21001.241
over 50 years ago1.2410.9502.131
total29.033.12532.12
SZn/a0.0.0.0.0.0.
less than 10 years ago4.9195.51810.412
11-20 years ago3.4233.5236.915
21-30 years ago1.4371.3382.826
31-40 years ago1.0450.8501.733
41-50 years ago1.0451.0451.931
over 50 years ago3.6231.2414.720
total15.3913.3928.54
TGn/a0.0.0.0.0.0.
less than 10 years ago13.470.94114.26
11-20 years ago2.7250.5593.222
21-30 years ago1.0441.0442.029
31-40 years ago0.7560.0.0.756
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total17.742.42620.12
TIn/a0.0.0.0.0.0.
less than 10 years ago4.02210.41314.411
11-20 years ago2.6285.8198.415
21-30 years ago2.3297.0179.314
31-40 years ago3.3246.71710.014
41-50 years ago2.2309.01511.213
over 50 years ago11.21356.9568.14
total25.6895.73121.32
URn/a0.0.0.0.0.0.
less than 10 years ago1.5343.5225.017
11-20 years ago1.1401.5322.624
21-30 years ago1.3401.2402.527
31-40 years ago0.4711.0441.437
41-50 years ago0.5560.4690.944
over 50 years ago2.0311.4373.423
total6.8159.01015.86
VDn/a0.21000.0.0.2100
less than 10 years ago39.167.81546.95
11-20 years ago14.4113.72318.110
21-30 years ago7.4163.62311.013
31-40 years ago4.4211.3385.718
41-50 years ago4.5201.3385.818
over 50 years ago4.7203.0257.715
total74.7320.8995.62
VSn/a0.0.0.0.0.0.
less than 10 years ago7.31618.21025.58
11-20 years ago4.02210.61314.511
21-30 years ago2.2307.6169.714
31-40 years ago3.6235.9189.614
41-50 years ago3.0267.01610.114
over 50 years ago14.21130.2744.56
total34.3779.53113.82
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.6222.3214.910
11-20 years ago0.21000.11000.472
21-30 years ago0.21000.0.0.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total3.3172.5205.76
ZHn/a0.0.0.0.0.0.
less than 10 years ago34.351.34035.64
11-20 years ago8.2150.21008.414
21-30 years ago3.1250.0.3.125
31-40 years ago1.3400.0.1.340
41-50 years ago0.4710.0.0.471
over 50 years ago0.4700.21000.658
total47.821.63549.42
Switzerlandn/a0.4710.0.0.471
less than 10 years ago332.32151.03483.32
11-20 years ago116.7483.55200.23
21-30 years ago53.6655.06108.64
31-40 years ago38.8739.8778.65
41-50 years ago25.9935.3761.26
over 50 years ago79.65147.13226.73
total647.41511.711159.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #849420/315751
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago37.341.24138.54
11-20 years ago4.8190.0.4.819
21-30 years ago1.8320.0.1.832
31-40 years ago1.2400.21001.437
41-50 years ago0.6580.0.0.658
over 50 years ago0.21000.4700.658
total45.921.83347.72
AIless than 10 years ago0.9431.2362.126
11-20 years ago0.21000.7470.942
21-30 years ago0.8450.21001.041
31-40 years ago0.21000.5570.749
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.21000.657
total2.5242.8205.310
ARless than 10 years ago2.5251.6324.017
11-20 years ago1.4340.7492.127
21-30 years ago1.1410.5551.633
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.21000.2100
over 50 years ago0.31000.0.0.3100
total5.3132.8208.16
BEless than 10 years ago54.6539.5694.13
11-20 years ago13.61215.81129.58
21-30 years ago9.0159.51418.610
31-40 years ago5.7185.51911.213
41-50 years ago1.8335.2197.017
over 50 years ago14.7117.21621.99
total99.4382.84182.21
BL/BSless than 10 years ago9.4122.23111.610
11-20 years ago3.2250.4713.623
21-30 years ago2.1301.0443.124
31-40 years ago0.4710.21000.757
41-50 years ago0.8570.21000.950
over 50 years ago0.8570.0.0.857
total16.664.12120.73
FRless than 10 years ago18.186.51624.66
11-20 years ago4.1211.7335.817
21-30 years ago1.6352.1303.722
31-40 years ago0.4732.0292.427
41-50 years ago0.9501.0401.931
over 50 years ago2.9261.5384.421
total28.0514.8942.82
GEless than 10 years ago2.3250.0.2.325
11-20 years ago1.0570.0.1.057
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.6750.0.0.675
total3.970.0.3.97
GLless than 10 years ago2.1303.6225.716
11-20 years ago2.0311.7323.621
21-30 years ago1.3361.4372.725
31-40 years ago0.8500.6571.437
41-50 years ago0.8500.9451.732
over 50 years ago3.1242.3285.417
total10.01210.5920.54
GRless than 10 years ago19.21025.1844.36
11-20 years ago12.51221.1933.67
21-30 years ago12.71215.91128.68
31-40 years ago9.6148.21517.810
41-50 years ago7.8165.61813.412
over 50 years ago34.9734.1769.05
total96.74109.93206.71
JUless than 10 years ago13.1105.71718.87
11-20 years ago3.1241.5354.719
21-30 years ago4.1212.1296.216
31-40 years ago1.2411.0442.129
41-50 years ago0.4700.21000.657
over 50 years ago0.21000.9441.241
total22.1611.41133.52
LUless than 10 years ago19.683.52323.07
11-20 years ago5.8181.4377.115
21-30 years ago4.0211.4375.518
31-40 years ago2.3300.8503.025
41-50 years ago0.4710.21000.658
over 50 years ago2.5290.6583.125
total34.547.81442.42
NEless than 10 years ago17.772.92420.76
11-20 years ago3.7220.9454.619
21-30 years ago2.7280.0.2.728
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.3710.660
total24.554.22028.73
NWless than 10 years ago0.7592.2292.924
11-20 years ago1.9340.9502.726
21-30 years ago0.5710.31000.856
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.3400.6572.032
total4.4174.0198.46
OWless than 10 years ago4.7195.0179.711
11-20 years ago1.1411.2402.328
21-30 years ago1.0410.0.1.041
31-40 years ago0.9500.5601.438
41-50 years ago0.6570.7561.340
over 50 years ago2.0312.3284.320
total10.3119.81020.03
SGless than 10 years ago13.21113.31126.57
11-20 years ago3.4247.61511.112
21-30 years ago2.5293.9226.317
31-40 years ago0.8502.9263.723
41-50 years ago0.4711.1451.538
over 50 years ago5.1206.21811.313
total25.4835.0560.43
SHless than 10 years ago7.4110.4697.810
11-20 years ago3.0220.0.3.022
21-30 years ago1.0440.0.1.044
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.0.0.2100
over 50 years ago0.21000.0.0.2100
total11.940.46912.33
SOless than 10 years ago17.671.63519.27
11-20 years ago6.2160.21006.416
21-30 years ago3.6230.4724.022
31-40 years ago0.9500.21001.045
41-50 years ago0.6590.5701.145
over 50 years ago0.4720.4720.851
total29.233.32432.52
SZless than 10 years ago6.3166.71613.010
11-20 years ago2.6272.6275.219
21-30 years ago1.4381.6353.025
31-40 years ago1.2400.8502.031
41-50 years ago1.0451.4382.429
over 50 years ago3.6231.4374.919
total16.1914.4930.53
TGless than 10 years ago13.771.23514.96
11-20 years ago2.4260.9453.321
21-30 years ago1.8310.21002.029
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total18.142.42620.53
TIless than 10 years ago4.72011.01315.711
11-20 years ago5.2197.11712.312
21-30 years ago6.7179.51416.211
31-40 years ago4.1228.61512.812
41-50 years ago3.6239.91413.512
over 50 years ago18.61063.3481.93
total42.96109.42152.41
URless than 10 years ago3.0233.4226.415
11-20 years ago1.2402.1293.323
21-30 years ago1.2410.21001.438
31-40 years ago0.5571.7322.227
41-50 years ago1.0450.8491.833
over 50 years ago4.7192.8267.515
total11.71110.9922.65
VDless than 10 years ago39.368.51447.85
11-20 years ago16.4105.21921.69
21-30 years ago8.2152.32910.513
31-40 years ago5.5181.4386.916
41-50 years ago2.4291.0453.424
over 50 years ago7.0163.62310.513
total78.8321.98100.71
VSless than 10 years ago8.61515.91024.68
11-20 years ago3.32410.61313.911
21-30 years ago6.5178.01514.511
31-40 years ago4.0227.21611.313
41-50 years ago6.51710.11316.610
over 50 years ago16.01130.9746.95
total45.0682.73127.72
ZGless than 10 years ago2.0262.1244.113
11-20 years ago0.6560.21000.848
21-30 years ago0.4720.4670.750
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total3.3172.6185.95
ZHless than 10 years ago35.241.24136.54
11-20 years ago7.7150.0.7.715
21-30 years ago3.1250.21003.424
31-40 years ago1.2410.0.1.241
41-50 years ago0.4700.21000.658
over 50 years ago0.0.0.0.0.0.
total47.821.63549.42
Switzerlandless than 10 years ago353.22165.53518.81
11-20 years ago110.5484.55195.03
21-30 years ago79.2561.06140.24
31-40 years ago41.2742.3783.55
41-50 years ago30.1839.1769.25
over 50 years ago120.04159.23279.22
total734.31551.611285.80
© WSL, Swiss National Forest Inventory, 19.06.2020 #849421/315752
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
less than 10 years ago35.141.04536.14
11-20 years ago6.4170.21006.616
21-30 years ago1.8330.0.1.833
31-40 years ago0.4700.0.0.470
41-50 years ago0.8500.21001.044
over 50 years ago1.0440.4701.437
total45.721.83347.52
AIn/a0.0.0.0.0.0.
less than 10 years ago0.21000.8480.942
11-20 years ago0.9440.9421.928
21-30 years ago0.0.0.21000.2100
31-40 years ago0.8450.21001.041
41-50 years ago0.21000.4720.657
over 50 years ago0.4700.4720.850
total2.5242.8205.310
ARn/a0.0.0.0.0.0.
less than 10 years ago2.5260.9453.421
11-20 years ago1.8300.9442.722
21-30 years ago0.6480.7491.333
31-40 years ago0.4730.3690.750
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.21000.473
total5.6122.8208.46
BEn/a0.0.0.0.0.0.
less than 10 years ago54.6536.5791.23
11-20 years ago15.51116.21131.77
21-30 years ago7.7169.81417.510
31-40 years ago5.1205.02010.114
41-50 years ago3.9223.8237.716
over 50 years ago11.7138.81520.510
total98.6380.24178.81
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago9.4121.53710.910
11-20 years ago3.7221.4405.019
21-30 years ago1.3400.4701.735
31-40 years ago1.1440.4711.537
41-50 years ago0.21000.21000.470
over 50 years ago1.0480.21001.343
total16.764.12120.83
FRn/a0.0.0.0.0.0.
less than 10 years ago15.997.11523.07
11-20 years ago5.8182.2308.015
21-30 years ago1.8330.7492.627
31-40 years ago1.5381.6333.124
41-50 years ago0.6591.1401.733
over 50 years ago1.7351.9343.524
total27.4514.6942.03
GEn/a0.0.0.0.0.0.
less than 10 years ago2.7190.0.2.719
11-20 years ago0.0.0.0.0.0.
21-30 years ago1.0570.0.1.057
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total3.750.0.3.75
GLn/a0.0.0.0.0.0.
less than 10 years ago1.7322.7254.419
11-20 years ago1.6351.9313.522
21-30 years ago1.8331.3373.124
31-40 years ago1.3370.8492.128
41-50 years ago0.6580.5691.144
over 50 years ago3.3232.3285.617
total10.3129.51019.85
GRn/a0.0.0.0.0.0.
less than 10 years ago16.81021.4938.27
11-20 years ago13.11218.21031.27
21-30 years ago12.41216.21128.68
31-40 years ago10.11412.01222.19
41-50 years ago8.6157.41616.011
over 50 years ago38.7732.4771.25
total99.74107.63207.42
JUn/a0.0.0.0.0.0.
less than 10 years ago12.7105.11817.87
11-20 years ago4.3212.9257.215
21-30 years ago2.1290.9443.124
31-40 years ago1.6350.9422.527
41-50 years ago0.6580.4701.045
over 50 years ago0.8501.3372.129
total22.1611.61133.72
LUn/a0.0.0.0.0.0.
less than 10 years ago20.772.72623.46
11-20 years ago7.3152.92610.212
21-30 years ago1.4370.8492.229
31-40 years ago1.4380.6582.031
41-50 years ago1.0450.21001.340
over 50 years ago1.5380.4711.933
total33.347.61541.02
NEn/a0.0.0.0.0.0.
less than 10 years ago18.773.42222.15
11-20 years ago3.4230.0.3.423
21-30 years ago1.0400.21001.237
31-40 years ago1.0450.0.1.045
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.3710.660
total24.653.92128.53
NWn/a0.0.0.0.0.0.
less than 10 years ago1.8341.2422.925
11-20 years ago1.2441.5372.727
21-30 years ago0.8560.4721.243
31-40 years ago0.0.0.31000.3100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.7570.6571.340
total4.5184.0198.47
OWn/a0.0.0.0.0.0.
less than 10 years ago2.1285.3167.413
11-20 years ago3.4231.1414.519
21-30 years ago1.5360.4711.932
31-40 years ago0.5580.0.0.558
41-50 years ago1.1440.5601.635
over 50 years ago2.3302.8255.118
total10.91110.21021.04
SGn/a0.0.0.0.0.0.
less than 10 years ago11.61212.11223.78
11-20 years ago5.3197.31612.612
21-30 years ago2.9263.0255.918
31-40 years ago1.2412.4293.623
41-50 years ago1.1452.0333.126
over 50 years ago5.2205.02010.114
total27.3731.7659.03
SHn/a0.0.0.0.0.0.
less than 10 years ago6.1140.21006.313
11-20 years ago4.0190.21004.219
21-30 years ago1.6330.0.1.633
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.0.0.2100
over 50 years ago0.21000.0.0.2100
total12.140.46912.53
SOn/a0.0.0.0.0.0.
less than 10 years ago18.171.43819.67
11-20 years ago6.6160.4727.015
21-30 years ago1.3380.0.1.338
31-40 years ago1.2410.21001.338
41-50 years ago1.1450.21001.241
over 50 years ago1.2410.9502.131
total29.533.12532.62
SZn/a0.0.0.0.0.0.
less than 10 years ago5.1195.51810.611
11-20 years ago3.4233.7227.115
21-30 years ago1.4371.3382.826
31-40 years ago1.2410.8502.031
41-50 years ago1.0451.0451.931
over 50 years ago3.6231.4385.019
total15.7913.7929.34
TGn/a0.0.0.0.0.0.
less than 10 years ago13.470.94114.26
11-20 years ago2.7250.5593.222
21-30 years ago1.0441.0442.029
31-40 years ago0.7560.0.0.756
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total17.942.42620.32
TIn/a0.0.0.0.0.0.
less than 10 years ago4.62110.61315.211
11-20 years ago3.4246.1189.614
21-30 years ago4.5217.21711.613
31-40 years ago6.5178.51515.011
41-50 years ago3.82310.01413.712
over 50 years ago14.91161.8476.74
total37.67104.12141.82
URn/a0.0.0.0.0.0.
less than 10 years ago1.7333.5225.217
11-20 years ago2.1301.7313.821
21-30 years ago2.1311.4373.423
31-40 years ago1.2411.1402.428
41-50 years ago0.5560.4690.944
over 50 years ago3.4242.0315.418
total11.01210.11021.16
VDn/a0.21000.0.0.2100
less than 10 years ago39.567.81547.35
11-20 years ago14.8113.72318.510
21-30 years ago8.2153.62311.812
31-40 years ago4.8201.3386.118
41-50 years ago4.5201.3385.818
over 50 years ago5.3193.2258.515
total77.4321.0998.42
VSn/a0.0.0.0.0.0.
less than 10 years ago8.31518.21026.58
11-20 years ago4.62110.61315.111
21-30 years ago3.6237.81511.313
31-40 years ago6.3186.31712.612
41-50 years ago5.0207.51612.512
over 50 years ago18.71031.0749.85
total46.5681.43127.82
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.8202.3215.19
11-20 years ago0.21000.11000.472
21-30 years ago0.21000.0.0.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total3.5152.5206.05
ZHn/a0.0.0.0.0.0.
less than 10 years ago35.041.34036.34
11-20 years ago8.4140.21008.614
21-30 years ago3.4240.0.3.424
31-40 years ago1.3400.0.1.340
41-50 years ago0.4710.0.0.471
over 50 years ago0.4700.21000.658
total48.921.63550.51
Switzerlandn/a0.4710.0.0.471
less than 10 years ago341.12153.53494.61
11-20 years ago124.0484.75208.73
21-30 years ago65.7557.26122.94
31-40 years ago49.4642.7792.25
41-50 years ago35.4736.9772.35
over 50 years ago117.04157.63274.62
total732.91532.711265.61
© WSL, Swiss National Forest Inventory, 19.06.2020 #849422/315753
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
less than 10 years ago35.141.04536.14
11-20 years ago6.4170.21006.616
21-30 years ago1.8330.0.1.833
31-40 years ago0.4700.0.0.470
41-50 years ago0.8500.21001.044
over 50 years ago1.0440.4701.437
total45.721.83347.52
AIn/a0.0.0.0.0.0.
less than 10 years ago0.21000.8480.942
11-20 years ago0.9440.9421.928
21-30 years ago0.0.0.21000.2100
31-40 years ago0.8450.21001.041
41-50 years ago0.21000.4720.657
over 50 years ago0.4700.4720.850
total2.5242.8205.310
ARn/a0.0.0.0.0.0.
less than 10 years ago2.5260.9453.421
11-20 years ago1.8300.9442.722
21-30 years ago0.6480.7491.333
31-40 years ago0.4730.3690.750
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.21000.473
total5.6122.8208.46
BEn/a0.0.0.0.0.0.
less than 10 years ago54.2536.5790.83
11-20 years ago15.11116.21131.37
21-30 years ago7.5169.81417.310
31-40 years ago5.1205.02010.114
41-50 years ago2.9263.8236.717
over 50 years ago9.2158.81518.110
total94.2380.24174.31
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago9.4121.53710.910
11-20 years ago3.7221.4405.019
21-30 years ago1.3400.4701.735
31-40 years ago1.1440.4711.537
41-50 years ago0.21000.21000.470
over 50 years ago1.0480.21001.343
total16.764.12120.83
FRn/a0.0.0.0.0.0.
less than 10 years ago15.997.11523.07
11-20 years ago5.8182.2308.015
21-30 years ago1.8330.7492.627
31-40 years ago1.5381.6333.124
41-50 years ago0.6591.1401.733
over 50 years ago1.7351.7363.325
total27.4514.4941.83
GEn/a0.0.0.0.0.0.
less than 10 years ago2.7190.0.2.719
11-20 years ago0.0.0.0.0.0.
21-30 years ago1.0570.0.1.057
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total3.750.0.3.75
GLn/a0.0.0.0.0.0.
less than 10 years ago1.7322.7254.419
11-20 years ago1.2411.9313.124
21-30 years ago1.2401.3372.527
31-40 years ago0.9430.8491.731
41-50 years ago0.6580.5691.144
over 50 years ago1.6352.3283.921
total7.1159.51016.66
GRn/a0.0.0.0.0.0.
less than 10 years ago16.61121.0937.67
11-20 years ago12.31218.21030.47
21-30 years ago11.21315.81127.08
31-40 years ago8.11511.41319.510
41-50 years ago4.8207.41612.212
over 50 years ago24.4931.3755.75
total77.44105.03182.51
JUn/a0.0.0.0.0.0.
less than 10 years ago12.7105.11817.87
11-20 years ago4.3212.9257.215
21-30 years ago2.1290.9443.124
31-40 years ago1.6350.9422.527
41-50 years ago0.6580.4701.045
over 50 years ago0.8501.3372.129
total22.1611.61133.72
LUn/a0.0.0.0.0.0.
less than 10 years ago20.572.72623.27
11-20 years ago7.3152.92610.212
21-30 years ago1.4370.8492.229
31-40 years ago1.4380.6582.031
41-50 years ago1.0450.21001.340
over 50 years ago1.5380.4711.933
total33.247.61540.82
NEn/a0.0.0.0.0.0.
less than 10 years ago18.773.42222.15
11-20 years ago3.4230.0.3.423
21-30 years ago1.0400.21001.237
31-40 years ago1.0450.0.1.045
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.3710.660
total24.653.92128.53
NWn/a0.0.0.0.0.0.
less than 10 years ago1.8341.2422.925
11-20 years ago1.2441.5372.727
21-30 years ago0.8560.4721.243
31-40 years ago0.0.0.31000.3100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.7570.6571.340
total4.5184.0198.47
OWn/a0.0.0.0.0.0.
less than 10 years ago2.1285.1177.213
11-20 years ago3.4231.1414.519
21-30 years ago1.3380.4711.734
31-40 years ago0.5580.0.0.558
41-50 years ago1.1440.5601.635
over 50 years ago2.1312.8254.919
total10.51110.01020.44
SGn/a0.0.0.0.0.0.
less than 10 years ago11.61212.11223.78
11-20 years ago4.9207.31612.212
21-30 years ago2.5283.0255.518
31-40 years ago1.0452.4293.424
41-50 years ago1.1452.0333.126
over 50 years ago3.6245.0208.515
total24.7831.7656.53
SHn/a0.0.0.0.0.0.
less than 10 years ago6.1140.21006.313
11-20 years ago4.0190.21004.219
21-30 years ago1.6330.0.1.633
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.0.0.2100
over 50 years ago0.21000.0.0.2100
total12.140.46912.53
SOn/a0.0.0.0.0.0.
less than 10 years ago18.171.43819.67
11-20 years ago6.6160.4727.015
21-30 years ago1.3380.0.1.338
31-40 years ago1.2410.21001.338
41-50 years ago1.1450.21001.241
over 50 years ago1.2410.9502.131
total29.533.12532.62
SZn/a0.0.0.0.0.0.
less than 10 years ago5.1195.51810.611
11-20 years ago3.4233.7227.115
21-30 years ago1.4371.3382.826
31-40 years ago1.0450.8501.733
41-50 years ago1.0451.0451.931
over 50 years ago3.6231.4385.019
total15.5913.7929.14
TGn/a0.0.0.0.0.0.
less than 10 years ago13.470.94114.26
11-20 years ago2.7250.5593.222
21-30 years ago1.0441.0442.029
31-40 years ago0.7560.0.0.756
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total17.942.42620.32
TIn/a0.0.0.0.0.0.
less than 10 years ago4.22210.41314.611
11-20 years ago3.0265.9189.015
21-30 years ago2.5277.0179.514
31-40 years ago4.3216.71711.013
41-50 years ago2.6289.21411.813
over 50 years ago12.91258.7471.64
total29.5897.92127.42
URn/a0.0.0.0.0.0.
less than 10 years ago1.7333.5225.217
11-20 years ago1.1401.7312.823
21-30 years ago1.3401.2402.527
31-40 years ago0.6581.0441.635
41-50 years ago0.5560.4690.944
over 50 years ago2.0311.6343.622
total7.2149.41016.55
VDn/a0.21000.0.0.2100
less than 10 years ago39.567.81547.35
11-20 years ago14.8113.72318.510
21-30 years ago7.8153.62311.413
31-40 years ago4.6201.3385.918
41-50 years ago4.5201.3385.818
over 50 years ago4.9203.2258.115
total76.4321.0997.42
VSn/a0.0.0.0.0.0.
less than 10 years ago8.31518.21026.58
11-20 years ago4.22210.61314.711
21-30 years ago3.2257.81510.913
31-40 years ago4.6216.11810.813
41-50 years ago4.0227.51611.513
over 50 years ago15.91130.8746.75
total40.2681.03121.12
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.8202.3215.19
11-20 years ago0.21000.11000.472
21-30 years ago0.21000.0.0.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total3.5152.5206.05
ZHn/a0.0.0.0.0.0.
less than 10 years ago35.041.34036.34
11-20 years ago8.4140.21008.614
21-30 years ago3.4240.0.3.424
31-40 years ago1.3400.0.1.340
41-50 years ago0.4710.0.0.471
over 50 years ago0.4700.21000.658
total48.921.63550.51
Switzerlandn/a0.4710.0.0.471
less than 10 years ago339.92152.73492.61
11-20 years ago120.1484.65204.73
21-30 years ago59.5656.46115.94
31-40 years ago42.0740.0782.05
41-50 years ago28.4836.1764.55
over 50 years ago90.15152.53242.62
total680.51522.211202.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #849423/315754
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
less than 10 years ago35.141.04536.14
11-20 years ago6.4170.21006.616
21-30 years ago1.8330.0.1.833
31-40 years ago0.4700.0.0.470
41-50 years ago0.8500.21001.044
over 50 years ago1.0440.4701.437
total45.721.83347.52
AIn/a0.0.0.0.0.0.
less than 10 years ago0.21000.8480.942
11-20 years ago0.9440.9421.928
21-30 years ago0.0.0.21000.2100
31-40 years ago0.8450.21001.041
41-50 years ago0.21000.4720.657
over 50 years ago0.4700.4720.850
total2.5242.8205.310
ARn/a0.0.0.0.0.0.
less than 10 years ago2.4280.9453.222
11-20 years ago1.6310.9442.523
21-30 years ago0.6480.7491.333
31-40 years ago0.4730.3690.750
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.21000.473
total5.3132.8208.16
BEn/a0.21000.0.0.2100
less than 10 years ago52.8536.5789.43
11-20 years ago15.11116.41131.57
21-30 years ago7.31610.01417.310
31-40 years ago4.7215.2199.914
41-50 years ago4.1223.8237.916
over 50 years ago13.5129.41422.99
total97.8381.44179.21
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago9.0121.53710.511
11-20 years ago3.7221.4405.019
21-30 years ago1.3400.4701.735
31-40 years ago1.1440.4711.537
41-50 years ago0.21000.21000.470
over 50 years ago1.3430.21001.539
total16.664.12120.73
FRn/a0.0.0.0.0.0.
less than 10 years ago15.797.11522.87
11-20 years ago5.6182.2307.815
21-30 years ago1.8330.7492.627
31-40 years ago1.5381.6333.124
41-50 years ago0.6591.1401.733
over 50 years ago2.5281.9344.421
total27.8514.6942.42
GEn/a0.0.0.0.0.0.
less than 10 years ago2.7190.0.2.719
11-20 years ago0.0.0.0.0.0.
21-30 years ago1.0570.0.1.057
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total3.970.0.3.97
GLn/a0.0.0.0.0.0.
less than 10 years ago1.5352.7254.219
11-20 years ago1.6352.2293.722
21-30 years ago1.2401.5342.726
31-40 years ago1.3370.8492.128
41-50 years ago0.6580.5691.144
over 50 years ago3.7222.9246.615
total9.81210.5920.34
GRn/a0.0.0.0.0.0.
less than 10 years ago15.91120.6936.57
11-20 years ago12.31218.01030.27
21-30 years ago9.61415.21124.88
31-40 years ago10.31413.01223.39
41-50 years ago8.4157.61616.011
over 50 years ago38.1734.6772.75
total94.54109.03203.51
JUn/a0.0.0.0.0.0.
less than 10 years ago12.6105.11817.77
11-20 years ago4.3212.8267.015
21-30 years ago2.1290.9443.124
31-40 years ago1.6350.9422.527
41-50 years ago0.6580.4701.045
over 50 years ago0.8501.3372.129
total21.9611.41133.43
LUn/a0.0.0.0.0.0.
less than 10 years ago20.872.72623.66
11-20 years ago7.3152.92610.212
21-30 years ago1.2400.8492.031
31-40 years ago1.4380.6582.031
41-50 years ago1.0450.4711.537
over 50 years ago1.8330.4712.330
total33.747.81441.62
NEn/a0.0.0.0.0.0.
less than 10 years ago18.573.42221.95
11-20 years ago3.1240.21003.323
21-30 years ago1.0400.21001.237
31-40 years ago1.0450.0.1.045
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.3710.660
total24.154.02028.23
NWn/a0.0.0.0.0.0.
less than 10 years ago1.8341.2422.925
11-20 years ago1.0491.5372.528
21-30 years ago0.8560.4721.243
31-40 years ago0.0.0.31000.3100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.9490.6571.536
total4.4174.0198.46
OWn/a0.0.0.0.0.0.
less than 10 years ago1.9294.9176.813
11-20 years ago3.4231.1414.519
21-30 years ago1.3380.21001.536
31-40 years ago0.5580.0.0.558
41-50 years ago1.1440.5601.635
over 50 years ago2.1312.8254.919
total10.3119.61019.84
SGn/a0.0.0.0.0.0.
less than 10 years ago11.41212.11223.58
11-20 years ago4.5217.31611.912
21-30 years ago2.2303.0255.119
31-40 years ago1.2412.6273.823
41-50 years ago0.8502.2313.026
over 50 years ago4.9206.81711.712
total25.0834.0559.03
SHn/a0.0.0.0.0.0.
less than 10 years ago5.9140.21006.114
11-20 years ago4.0190.21004.219
21-30 years ago1.6330.0.1.633
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.0.0.2100
over 50 years ago0.21000.0.0.2100
total11.940.46912.33
SOn/a0.0.0.0.0.0.
less than 10 years ago18.171.43819.67
11-20 years ago6.2160.4726.616
21-30 years ago1.3380.0.1.338
31-40 years ago1.2410.21001.338
41-50 years ago1.1450.21001.241
over 50 years ago1.2410.9502.131
total29.033.12532.12
SZn/a0.0.0.0.0.0.
less than 10 years ago4.9195.91710.811
11-20 years ago3.4233.7227.115
21-30 years ago1.4371.5352.925
31-40 years ago1.0450.8501.733
41-50 years ago1.0451.0451.931
over 50 years ago4.0221.4385.418
total15.7914.2929.93
TGn/a0.0.0.0.0.0.
less than 10 years ago13.470.94114.26
11-20 years ago2.7250.5593.222
21-30 years ago1.0441.0442.029
31-40 years ago0.7560.0.0.756
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total17.742.42620.12
TIn/a0.0.0.0.0.0.
less than 10 years ago4.42110.81315.211
11-20 years ago3.4246.1189.614
21-30 years ago4.1227.21711.213
31-40 years ago6.5178.31514.811
41-50 years ago4.12210.21414.311
over 50 years ago19.41066.1485.53
total41.96108.72150.61
URn/a0.0.0.0.0.0.
less than 10 years ago1.5343.5225.017
11-20 years ago1.3371.7313.023
21-30 years ago1.8321.4373.224
31-40 years ago1.4381.1402.627
41-50 years ago0.5560.4690.944
over 50 years ago4.5202.8267.315
total11.11110.9922.05
VDn/a0.21000.0.0.2100
less than 10 years ago39.167.81546.95
11-20 years ago14.4113.92218.310
21-30 years ago7.8153.62311.413
31-40 years ago4.8201.3386.118
41-50 years ago4.5201.3385.818
over 50 years ago6.1173.6239.714
total76.9321.6898.52
VSn/a0.0.0.0.0.0.
less than 10 years ago7.51618.41025.98
11-20 years ago4.42110.61314.911
21-30 years ago2.2307.6169.714
31-40 years ago5.5196.11811.613
41-50 years ago4.0227.21611.313
over 50 years ago20.5932.4752.95
total44.0682.33126.32
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.6222.5195.19
11-20 years ago0.21000.11000.472
21-30 years ago0.21000.0.0.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total3.3172.6185.95
ZHn/a0.0.0.0.0.0.
less than 10 years ago34.351.34035.64
11-20 years ago8.2150.21008.414
21-30 years ago3.1250.0.3.125
31-40 years ago1.3400.0.1.340
41-50 years ago0.4710.0.0.471
over 50 years ago0.4700.21000.658
total47.821.63549.42
Switzerlandn/a0.6580.0.0.658
less than 10 years ago333.92153.23487.11
11-20 years ago119.1485.15204.33
21-30 years ago57.9656.46114.34
31-40 years ago48.4643.7792.15
41-50 years ago34.5837.5772.05
over 50 years ago128.24169.83298.02
total722.71545.611268.40
© WSL, Swiss National Forest Inventory, 19.06.2020 #849424/315755
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a2.0320.4710.0.0.21000.4710.0.3.026
less than 10 years ago267.6246.3628.986.01821.893.026373.62
11-20 years ago55.0614.1127.9164.0226.0183.52490.54
21-30 years ago14.6115.8183.2253.3255.2192.23034.38
31-40 years ago3.8234.7212.6282.2304.1222.62819.910
41-50 years ago0.9452.2301.5351.3381.6351.0458.515
over 50 years ago10.3147.9165.6187.51611.5137.81550.86
total354.3181.4449.7524.5850.6520.19580.61
inside perimetern/a0.0.0.4710.0.0.5570.0.0.21001.141
less than 10 years ago32.8754.6533.7714.51129.4716.011181.03
11-20 years ago9.51425.5812.91213.51113.11212.31286.75
21-30 years ago5.5197.8166.81714.4119.41412.01255.96
31-40 years ago2.8275.7194.1229.8145.71817.41045.56
41-50 years ago0.8502.6281.4383.7232.42712.61223.49
over 50 years ago6.5178.4156.71718.21010.61332.5782.95
total57.85105.0365.5474.5370.74103.03476.51
totaln/a2.0320.8500.0.0.7500.4710.21004.122
less than 10 years ago300.42100.9362.5420.5951.2519.010554.61
11-20 years ago64.5539.6620.8917.41019.1915.811177.23
21-30 years ago20.11013.61210.01417.71014.61114.21190.25
31-40 years ago6.51710.4146.71711.9129.81420.0965.35
41-50 years ago1.7334.8202.9265.0194.12213.51231.98
over 50 years ago16.81116.41112.31225.7822.1940.36133.74
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #849425/315756
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a2.0320.4710.0.0.21000.4710.0.3.026
less than 10 years ago272.6248.2630.576.61723.094.222385.12
11-20 years ago56.4614.5128.7154.6216.4173.72394.34
21-30 years ago14.8116.4173.4243.5245.4192.42935.97
31-40 years ago3.8235.1202.6282.2304.1222.62820.310
41-50 years ago1.1412.2301.5351.3381.6351.3389.115
over 50 years ago11.3138.9156.2178.71513.4128.81557.46
total362.0185.7452.9527.1854.3523.09605.01
inside perimetern/a0.0.0.4710.0.0.5570.0.0.21001.141
less than 10 years ago33.0756.3534.4714.81129.8716.610185.03
11-20 years ago9.51426.3813.71114.51113.31212.71290.04
21-30 years ago5.5198.6157.21614.4119.61412.21257.56
31-40 years ago2.8276.3184.1229.8145.71817.81046.56
41-50 years ago0.8502.6281.4383.7232.42712.71223.69
over 50 years ago7.1178.9157.51618.81011.81234.3788.24
total58.65109.3368.3476.5372.74106.52491.91
totaln/a2.0320.8500.0.0.7500.4710.21004.122
less than 10 years ago305.61104.5364.9421.4952.8520.89570.11
11-20 years ago65.9540.8622.5919.1919.7916.310184.23
21-30 years ago20.31015.01110.61317.91015.01114.61193.44
31-40 years ago6.51711.3136.71711.9129.81420.5966.75
41-50 years ago1.9324.8202.9265.0194.12214.11132.78
over 50 years ago18.41017.81013.71127.5825.1843.16145.63
total420.61194.91121.32103.62127.02129.521096.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #849426/315757
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.2100
less than 10 years ago35.141.04536.14
11-20 years ago6.4170.21006.616
21-30 years ago1.8330.0.1.833
31-40 years ago0.4700.0.0.470
41-50 years ago0.8500.21001.044
over 50 years ago1.0440.4701.437
total45.721.83347.52
AIn/a0.0.0.0.0.0.
less than 10 years ago0.21000.8480.942
11-20 years ago0.9440.9421.928
21-30 years ago0.0.0.21000.2100
31-40 years ago0.8450.21001.041
41-50 years ago0.21000.4720.657
over 50 years ago0.4700.4720.850
total2.5242.8205.310
ARn/a0.0.0.0.0.0.
less than 10 years ago2.5260.9453.421
11-20 years ago1.8300.9442.722
21-30 years ago0.6480.7491.333
31-40 years ago0.4730.3690.750
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.21000.473
total5.6122.8208.46
BEn/a0.21000.0.0.2100
less than 10 years ago54.8536.5791.43
11-20 years ago15.71116.41132.17
21-30 years ago8.31510.01418.310
31-40 years ago5.3195.21910.514
41-50 years ago4.1223.8237.916
over 50 years ago15.3119.41424.89
total103.8381.44185.21
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago9.4121.53710.910
11-20 years ago3.7221.4405.019
21-30 years ago1.3400.4701.735
31-40 years ago1.1440.4711.537
41-50 years ago0.21000.21000.470
over 50 years ago1.3430.21001.539
total17.064.12121.13
FRn/a0.0.0.0.0.0.
less than 10 years ago16.197.11523.27
11-20 years ago5.8182.2308.015
21-30 years ago1.8330.7492.627
31-40 years ago1.5381.6333.124
41-50 years ago0.6591.1401.733
over 50 years ago2.5281.9344.421
total28.4514.6943.02
GEn/a0.0.0.0.0.0.
less than 10 years ago2.7190.0.2.719
11-20 years ago0.0.0.0.0.0.
21-30 years ago1.0570.0.1.057
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total3.970.0.3.97
GLn/a0.0.0.0.0.0.
less than 10 years ago1.7322.7254.419
11-20 years ago1.6352.2293.722
21-30 years ago1.8331.5343.323
31-40 years ago1.3370.8492.128
41-50 years ago0.6580.5691.144
over 50 years ago4.5202.9247.414
total11.41110.5921.94
GRn/a0.0.0.0.0.0.
less than 10 years ago17.41021.4938.87
11-20 years ago13.11218.21031.27
21-30 years ago12.41216.21128.68
31-40 years ago10.31413.01223.39
41-50 years ago8.6157.61616.211
over 50 years ago42.3735.6777.94
total104.14111.93216.01
JUn/a0.0.0.0.0.0.
less than 10 years ago12.7105.11817.87
11-20 years ago4.3212.9257.215
21-30 years ago2.1290.9443.124
31-40 years ago1.6350.9422.527
41-50 years ago0.6580.4701.045
over 50 years ago0.8501.3372.129
total22.1611.61133.72
LUn/a0.0.0.0.0.0.
less than 10 years ago20.872.72623.66
11-20 years ago7.3152.92610.212
21-30 years ago1.4370.8492.229
31-40 years ago1.4380.6582.031
41-50 years ago1.0450.4711.537
over 50 years ago1.8330.6582.528
total33.948.01442.02
NEn/a0.0.0.0.0.0.
less than 10 years ago18.773.42222.15
11-20 years ago3.4230.21003.523
21-30 years ago1.0400.21001.237
31-40 years ago1.0450.0.1.045
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.3710.660
total24.654.02028.63
NWn/a0.0.0.0.0.0.
less than 10 years ago1.8341.2422.925
11-20 years ago1.2441.5372.727
21-30 years ago0.8560.4721.243
31-40 years ago0.0.0.31000.3100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.9490.6571.536
total4.6174.0198.66
OWn/a0.0.0.0.0.0.
less than 10 years ago2.1285.3167.413
11-20 years ago3.4231.2384.719
21-30 years ago1.7340.4712.130
31-40 years ago0.5580.0.0.558
41-50 years ago1.1440.5601.635
over 50 years ago2.3302.8255.118
total11.11110.31021.44
SGn/a0.0.0.0.0.0.
less than 10 years ago11.61212.11223.78
11-20 years ago5.3197.31612.612
21-30 years ago2.9263.0255.918
31-40 years ago1.2412.6273.823
41-50 years ago1.1452.2313.225
over 50 years ago5.8186.81712.612
total27.9734.0561.93
SHn/a0.0.0.0.0.0.
less than 10 years ago6.1140.21006.313
11-20 years ago4.0190.21004.219
21-30 years ago1.6330.0.1.633
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.0.0.2100
over 50 years ago0.21000.0.0.2100
total12.140.46912.53
SOn/a0.0.0.0.0.0.
less than 10 years ago18.171.43819.67
11-20 years ago6.6160.4727.015
21-30 years ago1.3380.0.1.338
31-40 years ago1.2410.21001.338
41-50 years ago1.1450.21001.241
over 50 years ago1.2410.9502.131
total29.533.12532.62
SZn/a0.0.0.0.0.0.
less than 10 years ago5.1195.91711.011
11-20 years ago3.4233.7227.115
21-30 years ago1.4371.5352.925
31-40 years ago1.2410.8502.031
41-50 years ago1.0451.0451.931
over 50 years ago4.2211.4385.618
total16.3914.2930.53
TGn/a0.0.0.0.0.0.
less than 10 years ago13.470.94114.26
11-20 years ago2.7250.5593.222
21-30 years ago1.0441.0442.029
31-40 years ago0.7560.0.0.756
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total17.942.42620.32
TIn/a0.0.0.0.0.0.
less than 10 years ago4.62110.81315.411
11-20 years ago3.4246.1189.614
21-30 years ago4.8207.21712.013
31-40 years ago6.7178.51515.211
41-50 years ago4.32110.21414.511
over 50 years ago22.2966.5488.73
total46.16109.22155.41
URn/a0.0.0.0.0.0.
less than 10 years ago1.7333.5225.217
11-20 years ago2.1301.7313.821
21-30 years ago2.2291.4373.623
31-40 years ago1.4381.1402.627
41-50 years ago1.1400.4691.535
over 50 years ago4.7202.8267.515
total13.31010.9924.25
VDn/a0.21000.0.0.2100
less than 10 years ago39.567.81547.35
11-20 years ago14.8113.92218.79
21-30 years ago8.2153.62311.812
31-40 years ago5.0201.3386.317
41-50 years ago4.5201.3385.818
over 50 years ago6.5173.62310.113
total78.7321.68100.32
VSn/a0.0.0.0.0.0.
less than 10 years ago8.51518.41026.98
11-20 years ago4.62110.61315.111
21-30 years ago3.8237.81511.513
31-40 years ago6.3186.31712.612
41-50 years ago5.2197.51612.712
over 50 years ago24.1932.8757.05
total52.5583.33135.82
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.8202.5195.38
11-20 years ago0.21000.11000.472
21-30 years ago0.21000.0.0.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total3.5152.6186.14
ZHn/a0.0.0.0.0.0.
less than 10 years ago35.041.34036.34
11-20 years ago8.6140.21008.714
21-30 years ago3.4240.0.3.424
31-40 years ago1.3400.0.1.340
41-50 years ago0.4710.0.0.471
over 50 years ago0.4700.21000.658
total49.121.63550.71
Switzerlandn/a0.6580.0.0.658
less than 10 years ago342.52154.43496.91
11-20 years ago124.3485.75210.03
21-30 years ago67.2557.86125.04
31-40 years ago50.4644.1794.54
41-50 years ago37.0737.7774.75
over 50 years ago143.74171.83315.52
total765.71551.411317.10
© WSL, Swiss National Forest Inventory, 19.06.2020 #849427/315758
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a2.4210.3580.0.0.4500.3580.0.3.417
less than 10 years ago275.3148.7431.657.71122.864.016390.01
11-20 years ago58.0415.387.7114.8147.9113.41797.03
21-30 years ago13.096.7122.4203.2174.4152.42032.16
31-40 years ago5.0144.1162.0222.1224.7153.01821.07
41-50 years ago1.4271.5261.4271.0322.1220.8358.211
over 50 years ago12.899.4107.21210.6913.689.01062.74
total367.9185.9352.3429.8555.8422.66614.21
inside perimetern/a0.11000.7380.0.0.8350.11000.11001.824
less than 10 years ago31.6556.1435.2515.3831.2516.57185.82
11-20 years ago9.61024.2612.9813.2812.5912.6985.03
21-30 years ago4.8149.8107.41113.689.01013.4857.94
31-40 years ago2.8196.1134.3159.6106.11318.8747.74
41-50 years ago0.6412.1221.9233.5173.31712.4923.86
over 50 years ago5.61310.3107.81116.7711.8935.0587.23
total55.14109.3269.5372.6274.03108.82489.21
totaln/a2.5201.0320.0.1.1290.4500.11005.114
less than 10 years ago306.81104.7266.7323.0654.0420.57575.81
11-20 years ago67.6439.5520.6717.9720.5716.08182.02
21-30 years ago17.8716.589.81016.8713.3815.8890.03
31-40 years ago7.81110.2106.31211.8910.8921.8668.74
41-50 years ago2.0223.6173.3174.5155.41313.2831.95
over 50 years ago18.4719.7715.0827.3625.4644.04149.92
total422.90195.21121.81102.42129.71131.411103.50
© WSL, Swiss National Forest Inventory, 19.06.2020 #849428/315759
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a2.9194.9146.3137.51111.4913.9846.85
less than 10 years ago275.6149.2431.857.81122.964.016391.21
11-20 years ago58.2415.487.8115.0148.0113.51797.93
21-30 years ago13.197.0122.4203.3174.5152.42032.75
31-40 years ago5.1144.2152.0222.1225.0143.31721.87
41-50 years ago1.4271.5261.4271.0322.1221.0328.411
over 50 years ago13.1911.098.01111.9914.7810.41069.14
total369.4193.1359.7338.6568.5338.55667.81
inside perimetern/a0.4501.8243.6172.5203.01814.0825.36
less than 10 years ago31.8556.3435.3515.6731.4516.67187.02
11-20 years ago9.71024.3613.0813.5812.6912.7985.83
21-30 years ago4.8149.9107.51113.989.21013.5858.84
31-40 years ago2.8196.2135.0149.8106.31219.4749.54
41-50 years ago0.6412.3212.0223.6163.31712.7824.56
over 50 years ago5.71311.498.81017.9712.5937.0593.33
total55.84112.2275.2376.8278.33125.92524.11
totaln/a3.3186.7129.81010.01014.4827.9672.14
less than 10 years ago307.31105.4267.0323.4654.3420.67578.11
11-20 years ago67.9439.7520.8618.4720.7716.27183.62
21-30 years ago18.0717.079.91017.2713.6815.9891.53
31-40 years ago7.91110.4107.01212.0911.3922.7671.34
41-50 years ago2.0223.8163.4174.6145.41313.7832.95
over 50 years ago18.8722.4616.9729.8527.2647.44162.52
total425.10205.31134.81115.41146.81164.411191.90
© WSL, Swiss National Forest Inventory, 19.06.2020 #849429/315760
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a19.597.7156.0173.7225.4183.22345.56
less than 10 years ago231.9236.3723.986.51618.293.124319.82
11-20 years ago76.3421.3912.0124.22012.0123.123129.03
21-30 years ago21.298.1154.7193.5225.0192.03044.56
31-40 years ago7.3154.4201.6332.4273.6222.52721.89
41-50 years ago2.4273.1242.1291.8312.0302.52713.911
over 50 years ago6.4179.6136.1176.91613.0119.51351.56
total365.0190.5456.5529.0759.1526.08626.01
inside perimetern/a3.6228.3145.8177.8146.21710.41342.16
less than 10 years ago26.4845.3627.3715.81026.0813.111153.93
11-20 years ago12.51224.7816.11010.01316.31010.81290.44
21-30 years ago4.71913.3117.6159.9137.4159.41352.36
31-40 years ago3.1235.4185.1189.8136.31610.01339.76
41-50 years ago2.1293.8222.9247.2153.72214.91034.77
over 50 years ago4.7198.3156.71617.0911.11241.5689.24
total57.15109.2371.5477.5377.13110.02502.31
totaln/a23.1816.11011.81211.51211.61213.61187.64
less than 10 years ago258.3281.7451.2522.3844.2516.110473.81
11-20 years ago88.8446.0628.1714.21028.3714.011219.43
21-30 years ago25.9821.4912.31113.41112.41211.41296.84
31-40 years ago10.4139.9136.71612.2119.91312.41161.55
41-50 years ago4.5206.9165.0189.0135.81717.4948.66
over 50 years ago11.11217.81012.81124.0824.0851.15140.73
total422.11199.71128.02106.42136.12136.021128.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #849430/315761
NFI1
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a2.8275.8186.5177.31712.01314.21148.66
less than 10 years ago272.8248.6630.976.61723.394.222386.22
11-20 years ago56.6614.7118.7154.8206.6173.92395.24
21-30 years ago15.0116.6173.4243.7235.6192.42936.77
31-40 years ago4.0225.1202.6282.2304.7202.62821.110
41-50 years ago1.1412.2301.5351.3381.6351.6359.314
over 50 years ago11.71310.3147.3169.91414.41110.01463.65
total364.0193.4460.8535.8768.1538.87660.81
inside perimetern/a0.21001.8333.2252.1303.02614.41124.89
less than 10 years ago33.0756.3534.6714.81130.0716.610185.43
11-20 years ago9.51426.3813.71114.91113.31212.71290.44
21-30 years ago5.5198.6157.21614.8119.81412.41258.36
31-40 years ago2.8276.3185.11910.2135.71818.41048.56
41-50 years ago0.8502.8271.6353.7232.42712.91224.29
over 50 years ago7.2169.9148.81519.9912.21236.0794.14
total59.05111.9374.2480.5376.54123.52525.71
totaln/a3.0267.7169.7149.41415.01128.6873.45
less than 10 years ago305.81104.9365.5421.4953.3520.89571.71
11-20 years ago66.0541.0622.5919.7919.9916.510185.63
21-30 years ago20.51015.21110.61318.51015.41114.81195.04
31-40 years ago6.71711.3137.61612.41210.41321.1969.55
41-50 years ago1.9325.0203.1255.0194.12214.51133.67
over 50 years ago19.01020.21016.01029.9726.6846.06157.73
total422.91205.31135.02116.22144.62162.321186.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #849431/315762
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a2.2301.4381.2410.8501.2410.21007.017
less than 10 years ago235.7236.2723.886.51718.5103.325323.92
11-20 years ago86.4424.0913.6124.82013.4123.523145.73
21-30 years ago23.999.1155.4194.0225.6192.33050.36
31-40 years ago8.3155.0201.8332.7274.0222.82724.69
41-50 years ago2.8273.4242.4292.0312.3302.82715.611
over 50 years ago7.21710.7137.0167.91614.61110.71358.06
total366.4189.7455.2528.8759.5525.68625.11
inside perimetern/a0.21000.0.0.21000.6581.2411.0453.225
less than 10 years ago27.8847.2626.9815.71125.2812.712155.53
11-20 years ago14.31227.6818.21011.21218.41012.012101.74
21-30 years ago5.31915.0118.61511.2138.41510.61359.26
31-40 years ago3.5236.1185.81811.0137.11611.21344.86
41-50 years ago2.3294.3223.3248.2154.22216.81039.27
over 50 years ago5.3199.3157.61619.2912.51246.66100.64
total58.85109.5370.7477.1377.14111.02504.21
totaln/a2.4291.4381.4381.4382.4291.24110.214
less than 10 years ago263.5283.4450.6522.2943.7616.011479.42
11-20 years ago100.7451.6631.9716.01031.8715.511247.43
21-30 years ago29.3824.1914.01115.21114.01112.912109.54
31-40 years ago11.81311.1137.61613.81111.11314.01169.45
41-50 years ago5.1207.7165.71810.2136.51719.6954.86
over 50 years ago12.51219.91014.61127.2827.1857.35158.63
total425.21199.21125.92105.92136.62136.621129.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #849432/315763
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a0.0.0.0.0.0.0.0.0.4710.21000.658
less than 10 years ago229.7234.5722.195.91817.1102.927312.22
11-20 years ago84.4423.3912.6123.62312.0122.032137.94
21-30 years ago23.498.4155.0203.4244.2221.93346.26
31-40 years ago7.9164.0221.8332.3303.4242.42921.810
41-50 years ago2.8273.0262.4291.5351.9332.23013.812
over 50 years ago6.1188.0165.8187.71611.7138.61548.06
total354.3181.4449.7524.5850.6520.19580.61
inside perimetern/a0.0.0.0.0.0.0.4710.0.0.0.0.471
less than 10 years ago27.4845.3625.3815.11124.2811.213148.53
11-20 years ago14.31227.0817.91010.41316.71011.61397.74
21-30 years ago5.31914.8117.61610.6138.21510.41357.06
31-40 years ago3.5235.3195.41911.0136.71711.01343.07
41-50 years ago2.3293.9233.1258.2154.22216.01137.87
over 50 years ago4.9208.6156.31818.9910.71342.7692.14
total57.85105.0365.5474.5370.74103.03476.51
totaln/a0.0.0.0.0.0.0.4710.4710.21001.045
less than 10 years ago257.2279.9447.4521.0941.3614.011460.72
11-20 years ago98.7450.3630.5714.01128.6813.512235.63
21-30 years ago28.7823.3912.61214.01112.41212.312103.24
31-40 years ago11.4139.3147.21613.41110.11413.41264.85
41-50 years ago5.1207.0175.5199.7146.11818.31051.66
over 50 years ago11.01316.71112.01226.6822.5951.35140.13
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #849433/315764
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a4.02210.51411.3138.31516.71116.61167.35
less than 10 years ago235.7236.4723.886.51718.5103.325324.12
11-20 years ago86.4424.0913.6124.82013.4123.523145.73
21-30 years ago23.999.1155.4194.0225.6192.33050.36
31-40 years ago8.3155.0201.8332.7274.0222.82724.69
41-50 years ago2.8273.4242.4292.0312.3302.82715.611
over 50 years ago7.21710.7137.2167.91614.61110.71358.26
total368.2199.0465.4536.2775.0441.96685.81
inside perimetern/a0.6582.7286.1184.3214.82018.61037.07
less than 10 years ago27.8847.4626.9815.91025.2812.712155.93
11-20 years ago14.31227.6818.21011.21218.41012.012101.74
21-30 years ago5.31915.0118.61511.2138.41510.61359.26
31-40 years ago3.5236.1185.81811.0137.11611.21344.86
41-50 years ago2.3294.3223.3248.2154.22217.01039.47
over 50 years ago5.5199.5147.61619.2912.71246.86101.44
total59.45112.6376.6481.1380.93129.02539.51
totaln/a4.62113.21217.41012.61221.5935.27104.44
less than 10 years ago263.5283.8450.6522.4943.7616.011480.02
11-20 years ago100.7451.6631.9716.01031.8715.511247.43
21-30 years ago29.3824.1914.01115.21114.01112.912109.54
31-40 years ago11.81311.1137.61613.81111.11314.01169.45
41-50 years ago5.1207.7165.71810.2136.51719.8955.06
over 50 years ago12.71220.11014.81127.2827.3857.55159.63
total427.61211.61142.02117.32155.92170.911225.30
© WSL, Swiss National Forest Inventory, 19.06.2020 #849434/315765
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago250.3240.4625.288.41518.5104.621347.42
11-20 years ago59.0516.61110.2143.32411.7133.424104.24
21-30 years ago32.9710.5146.7175.12010.1144.32169.65
31-40 years ago10.6137.7163.4242.6284.8202.82731.98
41-50 years ago4.7203.4242.2303.3252.3292.23018.110
over 50 years ago7.01714.1129.71411.61316.21114.71173.35
total364.5192.7457.4534.3763.5532.07644.51
inside perimeterless than 10 years ago30.9850.6630.1715.91023.1912.013162.53
11-20 years ago10.01420.11013.91110.61318.4109.61482.55
21-30 years ago7.61611.9137.8158.01510.41311.71357.36
31-40 years ago3.0268.6156.2176.8166.0188.71539.37
41-50 years ago2.3295.7184.0229.5143.7239.71434.97
over 50 years ago4.52111.8138.21528.7717.81066.34137.33
total58.25108.7370.1479.5379.34117.92513.91
totalless than 10 years ago281.2290.9455.3524.4841.5616.611509.91
11-20 years ago68.9536.8724.1813.91130.0712.912186.63
21-30 years ago40.5722.3914.51113.11220.4916.011126.94
31-40 years ago13.61216.3119.6149.41410.81311.51371.25
41-50 years ago7.0179.1146.21812.8126.01812.01253.16
over 50 years ago11.51325.9817.91040.3634.0781.04210.73
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #849435/315766
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago245.5238.1723.696.41716.2114.621334.42
11-20 years ago56.5614.6128.3152.7279.2141.63593.04
21-30 years ago31.589.7145.7182.4297.1161.83358.26
31-40 years ago10.1146.5173.1251.2413.1251.24125.39
41-50 years ago4.7202.4292.2302.2301.9321.43814.912
over 50 years ago5.91810.1146.7179.61413.0129.41454.76
total354.3181.4449.7524.5850.6520.19580.61
inside perimeterless than 10 years ago30.5849.8629.0715.51121.3910.214156.23
11-20 years ago10.01418.91013.31210.01317.1107.81677.15
21-30 years ago7.61611.5137.6166.2178.2158.61549.56
31-40 years ago3.0268.6155.4186.2176.0187.31636.57
41-50 years ago2.3295.5193.4249.3143.5238.81532.78
over 50 years ago4.52110.8136.81727.4714.61160.35124.43
total57.85105.0365.5474.5370.74103.03476.51
totalless than 10 years ago276.0287.9452.6521.9937.5614.811490.71
11-20 years ago66.5533.5721.7912.71226.489.414170.13
21-30 years ago39.1721.1913.3128.61515.21110.413107.74
31-40 years ago13.01215.1118.6157.4169.1148.61561.85
41-50 years ago7.0177.9165.61911.5125.41910.21447.76
over 50 years ago10.41420.9913.61236.9627.6869.74179.13
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #849436/315767
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago250.5240.6625.488.61518.5105.219348.82
11-20 years ago59.0516.81111.4133.32412.1135.020107.64
21-30 years ago32.9711.1137.9166.51710.7137.71676.85
31-40 years ago10.6138.5153.6233.6237.6165.41939.37
41-50 years ago4.7203.8233.2255.1205.5194.42126.89
over 50 years ago7.01717.11114.31113.21226.1817.31095.04
total364.8197.9465.8540.4680.4444.96694.21
inside perimeterless than 10 years ago30.9850.6630.1715.91023.3912.212162.93
11-20 years ago10.01420.11014.31110.61318.6109.81483.35
21-30 years ago7.61611.9138.0158.01511.01312.91259.36
31-40 years ago3.0268.6156.2177.2166.2179.61440.97
41-50 years ago2.3295.7184.0229.5144.32110.91336.77
over 50 years ago4.52112.0139.01529.0718.21069.54142.13
total58.25108.9371.5480.1381.54124.82525.11
totalless than 10 years ago281.4291.1455.5524.6841.7617.310511.71
11-20 years ago68.9537.0725.7813.91130.6714.711190.83
21-30 years ago40.5722.9915.91114.51121.7920.69136.14
31-40 years ago13.61217.1109.81410.81313.81215.01180.25
41-50 years ago7.0179.5147.21614.6119.81415.31163.45
over 50 years ago11.51329.1823.3942.1644.3686.74237.12
total423.01206.81137.32120.52162.02169.721219.31
© WSL, Swiss National Forest Inventory, 19.06.2020 #849437/315768
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago251.9241.0626.288.41518.7104.820351.02
11-20 years ago60.2517.11110.4143.32411.9133.623106.44
21-30 years ago33.5710.5146.7175.12010.3144.32170.45
31-40 years ago10.8137.7163.4243.0265.2192.82732.98
41-50 years ago4.7203.4242.2303.5242.3292.42918.510
over 50 years ago7.41615.3119.91412.01316.81015.71177.15
total368.5194.9458.8535.3765.1533.67656.31
inside perimeterless than 10 years ago31.3851.6630.5715.91023.5912.013164.73
11-20 years ago10.21420.11014.31110.61318.4109.61483.15
21-30 years ago7.61611.9138.0158.01510.81312.31258.56
31-40 years ago3.0269.0156.2176.8166.0188.71539.77
41-50 years ago2.3296.1184.0229.5143.7239.71435.37
over 50 years ago4.52112.0138.61528.7718.21067.94139.93
total58.85110.7371.6479.5380.54120.12521.21
totalless than 10 years ago283.2292.6456.7524.4842.1616.710515.71
11-20 years ago70.3537.2724.7813.91130.2713.112189.53
21-30 years ago41.1722.3914.71113.11221.0916.610128.94
31-40 years ago13.81216.7109.6149.81411.21311.51372.65
41-50 years ago7.0179.5146.21813.0126.01812.21253.96
over 50 years ago11.91327.3818.51040.7635.0783.54217.03
total427.31205.61130.42114.82145.62153.721177.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #849438/315769
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago251.9241.2626.488.61518.7105.419352.22
11-20 years ago60.2517.31111.6133.32412.5125.219110.04
21-30 years ago33.5711.1137.9166.51710.9137.71677.65
31-40 years ago10.8138.5153.6233.8238.0165.41940.17
41-50 years ago4.7203.8233.2255.3195.5194.62127.29
over 50 years ago7.41617.91014.71113.61226.7818.01098.44
total368.5199.8467.4541.2682.3446.26705.41
inside perimeterless than 10 years ago31.3851.6630.5715.91023.5912.212164.93
11-20 years ago10.21420.11014.71110.61318.6109.81483.95
21-30 years ago7.61611.9138.1158.01511.41313.31260.36
31-40 years ago3.0269.0156.2177.2166.2179.61441.37
41-50 years ago2.3296.1184.0229.5144.52110.91337.37
over 50 years ago4.52112.2139.41429.0718.61070.44144.13
total58.85110.9373.0480.1382.74126.22531.71
totalless than 10 years ago283.2292.8456.9524.6842.1617.510517.11
11-20 years ago70.3537.4726.3813.91131.0714.911193.83
21-30 years ago41.1722.9916.11114.51122.2921.09137.94
31-40 years ago13.81217.5109.81411.01314.21115.01181.45
41-50 years ago7.0179.9147.21614.81110.01415.51164.45
over 50 years ago11.91330.1824.1942.5645.3688.54242.52
total427.31210.71140.42121.32164.92172.421237.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #849439/315770
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago248.9239.5625.988.41417.7105.019345.42
11-20 years ago59.6516.31010.9123.92112.7124.819108.14
21-30 years ago36.0711.7129.0146.81611.1127.81582.45
31-40 years ago10.7138.3144.4204.7198.3145.21841.56
41-50 years ago5.1183.5223.4234.9195.8174.12126.98
over 50 years ago7.91517.11014.91114.21126.5818.0998.44
total368.1196.4468.4442.7682.2444.96702.61
inside perimeterless than 10 years ago31.4751.6530.8715.81023.5813.711166.83
11-20 years ago9.81321.2914.61010.21317.898.91482.54
21-30 years ago7.71512.5128.3147.71511.51213.01160.75
31-40 years ago2.8258.8145.9177.7156.1179.71341.16
41-50 years ago2.1296.5163.7229.0134.22011.01236.57
over 50 years ago4.62012.6129.71328.1719.2969.84144.03
total58.45113.3373.0478.5382.33126.12531.61
totalless than 10 years ago280.3291.1456.7524.1841.3618.79512.21
11-20 years ago69.4537.5625.5814.01130.5713.711190.63
21-30 years ago43.7624.2817.31014.51122.6820.89143.13
31-40 years ago13.51117.11010.31312.41214.51114.91182.64
41-50 years ago7.31510.1137.11613.91110.01315.11163.45
over 50 years ago12.51229.6724.6842.3545.6687.83242.52
total426.61209.71141.42121.22164.52171.011234.31
© WSL, Swiss National Forest Inventory, 19.06.2020 #849440/315771
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago249.1239.9625.988.41417.7105.019345.92
11-20 years ago59.7516.31010.9123.92112.7125.019108.44
21-30 years ago36.0712.1129.3136.81611.3128.31483.84
31-40 years ago10.8138.3144.4204.9198.3145.51842.26
41-50 years ago5.3183.9213.4235.9175.8175.31829.78
over 50 years ago9.21422.8918.01016.71028.7724.58119.84
total370.11103.2371.8446.4584.6453.75729.91
inside perimeterless than 10 years ago31.6752.0531.5715.81023.7814.111168.63
11-20 years ago9.81321.7915.51010.21317.898.91483.94
21-30 years ago7.71512.7128.5147.71512.01213.21161.85
31-40 years ago2.8259.0146.1177.7156.31610.31342.26
41-50 years ago2.1297.2154.1219.6134.22011.21238.37
over 50 years ago4.81913.81113.11130.2721.4976.14159.53
total58.85116.5378.8381.1385.53133.72554.41
totalless than 10 years ago280.6291.9357.4524.1841.5619.19514.51
11-20 years ago69.5538.0626.4814.01130.5713.911192.43
21-30 years ago43.7624.8817.8914.51123.4821.59145.63
31-40 years ago13.71117.31010.51312.51114.61115.81084.44
41-50 years ago7.41511.1127.51515.51010.01316.51068.05
over 50 years ago13.91136.6731.1746.9550.25100.63279.32
total428.91219.71150.62127.52170.12187.411284.20
© WSL, Swiss National Forest Inventory, 19.06.2020 #849441/315772
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago252.1241.4626.488.61518.7105.419352.62
11-20 years ago60.2517.31111.6133.32412.5125.419110.24
21-30 years ago33.5711.3138.3156.51711.1138.31579.05
31-40 years ago11.0138.5153.6234.0228.0165.81840.97
41-50 years ago4.7204.0223.2256.5175.5195.81829.78
over 50 years ago8.81523.4917.81016.01129.1824.49119.34
total370.31105.8470.9445.0684.8454.95731.71
inside perimeterless than 10 years ago31.5852.0631.3715.91023.7912.612166.93
11-20 years ago10.21420.5915.71110.61318.6109.81485.35
21-30 years ago7.61612.1138.3158.01512.01213.51261.56
31-40 years ago3.0269.2146.5177.2166.41710.31442.57
41-50 years ago2.3296.7174.42110.1134.52111.11339.17
over 50 years ago4.72013.41212.61230.9720.7976.34158.73
total59.25114.0378.8482.7385.83133.52554.01
totalless than 10 years ago283.6293.4457.7524.6842.3617.910519.51
11-20 years ago70.3537.8727.4813.91131.0715.111195.53
21-30 years ago41.1723.3916.71014.51123.0921.89140.44
31-40 years ago14.01217.71010.01411.31314.41116.01183.55
41-50 years ago7.01710.7137.61616.61010.01416.91068.85
over 50 years ago13.41236.8730.4846.9549.86100.73278.02
total429.51219.81149.72127.72170.62188.411285.70
© WSL, Swiss National Forest Inventory, 19.06.2020 #849442/315773
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago250.9240.8625.488.61518.5105.219349.42
11-20 years ago59.0517.01111.4133.32412.1135.219107.94
21-30 years ago32.9711.3138.3156.51710.9138.11578.05
31-40 years ago10.8138.5153.6233.8237.6165.81840.17
41-50 years ago4.7204.0223.2256.3185.5195.61929.38
over 50 years ago8.41522.0917.41015.41128.5823.89115.34
total366.71103.6469.3444.0683.0453.55720.11
inside perimeterless than 10 years ago31.1851.2630.7715.91023.5912.612164.93
11-20 years ago10.01420.5915.31110.61318.6109.81484.75
21-30 years ago7.61612.1138.1158.01511.81313.11260.76
31-40 years ago3.0268.8156.5177.2166.41710.31442.27
41-50 years ago2.3296.3174.4219.9134.32111.11338.37
over 50 years ago4.72013.01212.61230.7720.5975.74157.33
total58.65112.0377.6482.3385.03132.52548.01
totalless than 10 years ago282.0292.0456.1524.6841.9617.710514.31
11-20 years ago68.9537.6726.7813.91130.6714.911192.63
21-30 years ago40.5723.3916.51014.51122.6921.29138.64
31-40 years ago13.81217.41010.01411.11314.01216.01182.35
41-50 years ago7.01710.3147.61616.2119.81416.71167.65
over 50 years ago13.01235.0730.0846.1549.0699.53272.72
total425.31215.61146.92126.32168.02186.011268.10
© WSL, Swiss National Forest Inventory, 19.06.2020 #849443/315774
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