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NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
outside of perimetern/a0.10.10.10.10.20.20.0.0.0.0.10.0
less than 10 years ago57.61.774.01.342.32.117.91.28.51.644.80.8
11-20 years ago20.91.415.61.122.11.712.81.06.51.416.20.6
21-30 years ago8.41.05.20.79.01.212.41.09.01.68.80.5
31-40 years ago5.30.82.20.56.41.09.80.914.62.16.60.4
41-50 years ago3.40.60.90.35.30.97.90.810.21.84.80.3
over 50 years ago4.30.72.00.414.61.539.31.551.32.918.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago46.13.659.54.845.12.124.61.210.41.228.20.8
11-20 years ago20.12.917.93.722.91.816.81.15.60.915.60.7
21-30 years ago8.32.09.52.99.31.213.31.07.21.010.50.6
31-40 years ago7.51.94.72.16.91.18.90.88.21.18.00.5
41-50 years ago4.11.41.91.34.80.97.40.79.11.16.80.5
over 50 years ago13.92.56.52.411.11.329.21.359.61.930.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.10.10.0.0.0.0.00.0
less than 10 years ago55.41.672.71.343.71.521.50.99.81.037.80.5
11-20 years ago20.71.315.81.122.51.214.90.75.90.816.00.4
21-30 years ago8.40.95.60.79.10.912.90.77.70.99.50.4
31-40 years ago5.70.72.40.56.60.79.30.610.11.07.20.3
41-50 years ago3.50.61.00.35.10.67.60.69.40.95.70.3
over 50 years ago6.10.82.40.412.91.033.91.057.01.623.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #849396/315727
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
outside of perimetern/a0.10.10.10.10.20.20.0.0.0.0.10.0
less than 10 years ago57.71.774.21.343.02.118.41.39.01.746.20.8
11-20 years ago20.71.415.51.122.11.813.41.16.71.516.50.6
21-30 years ago8.51.05.10.78.51.210.51.08.41.78.00.5
31-40 years ago5.30.82.20.56.71.110.41.015.62.26.70.4
41-50 years ago3.50.61.00.35.51.07.90.910.81.94.80.4
over 50 years ago4.20.71.90.414.01.539.51.649.63.017.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago46.33.660.14.845.22.124.61.210.41.228.30.8
11-20 years ago19.72.918.13.822.81.816.91.15.60.915.60.7
21-30 years ago8.42.09.62.99.11.213.11.07.11.010.30.6
31-40 years ago7.51.94.82.16.91.18.90.88.11.18.00.5
41-50 years ago4.21.41.91.44.80.97.40.79.21.16.90.5
over 50 years ago13.92.55.52.211.21.329.11.359.71.930.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.10.10.0.0.0.0.00.0
less than 10 years ago55.51.672.91.344.11.521.90.910.01.038.50.6
11-20 years ago20.51.315.71.122.51.315.40.85.90.816.10.5
21-30 years ago8.40.95.50.78.80.911.90.77.50.99.00.4
31-40 years ago5.70.72.50.56.80.89.60.610.21.07.30.3
41-50 years ago3.60.61.00.35.20.77.60.69.61.05.70.3
over 50 years ago6.10.82.20.412.61.033.61.056.81.623.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #849397/315728
NFI4
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
outside of perimetern/a0.10.10.10.10.0.0.0.0.0.0.10.0
less than 10 years ago58.01.774.61.344.12.219.41.310.72.147.90.8
11-20 years ago20.81.415.51.122.81.814.11.27.61.817.00.6
21-30 years ago8.51.05.10.78.71.210.81.09.11.98.20.5
31-40 years ago5.30.82.20.56.71.110.81.017.22.56.80.4
41-50 years ago3.30.61.00.35.71.08.50.911.62.14.80.4
over 50 years ago3.90.71.50.412.01.436.41.643.83.315.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago46.63.660.64.846.12.125.41.310.81.229.20.9
11-20 years ago19.32.918.23.823.11.817.51.15.80.916.10.7
21-30 years ago8.42.09.72.99.41.213.41.07.51.110.70.6
31-40 years ago7.61.94.82.16.71.19.00.88.41.18.10.5
41-50 years ago4.21.42.01.44.80.97.70.89.21.27.00.5
over 50 years ago14.02.54.72.09.91.326.91.358.22.029.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.81.673.41.345.11.522.80.910.81.139.80.6
11-20 years ago20.51.315.71.123.01.316.00.86.30.816.60.5
21-30 years ago8.50.95.50.79.10.912.30.77.90.99.20.4
31-40 years ago5.70.72.50.56.70.89.80.710.71.17.40.3
41-50 years ago3.50.61.00.35.20.78.00.69.91.05.80.3
over 50 years ago5.80.71.80.410.90.931.01.054.41.721.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #849398/315729
NFI1
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 NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.
less than 10 years ago35.641.04436.64
11-20 years ago6.6160.21006.816
21-30 years ago1.6350.0.1.635
31-40 years ago0.21000.4710.658
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8500.21001.044
total44.921.83346.72
AIn/a0.0.0.0.0.0.
less than 10 years ago1.4341.9273.316
11-20 years ago0.6580.7471.235
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.21000.21000.471
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total2.3252.8205.19
ARn/a0.0.0.0.0.0.
less than 10 years ago3.5211.6325.115
11-20 years ago1.3361.1362.525
21-30 years ago0.0.0.21000.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.31000.0.0.3100
over 50 years ago0.21000.0.0.2100
total5.3132.8208.16
BEn/a0.0.0.4710.471
less than 10 years ago62.3545.56107.93
11-20 years ago10.41415.61126.08
21-30 years ago3.8236.1189.914
31-40 years ago1.6352.6284.222
41-50 years ago0.6581.9332.529
over 50 years ago4.8205.61910.313
total83.5477.64161.11
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago12.292.42914.67
11-20 years ago1.7341.1442.827
21-30 years ago0.9500.4711.341
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.5670.0.0.567
total15.763.92219.64
FRn/a0.0.0.0.0.0.
less than 10 years ago14.3106.31620.67
11-20 years ago5.7184.91810.612
21-30 years ago2.5290.4722.926
31-40 years ago1.2410.9512.132
41-50 years ago0.0.0.21000.2100
over 50 years ago2.1321.2413.325
total25.9513.81039.73
GEn/a0.0.0.0.0.0.
less than 10 years ago0.8660.0.0.866
11-20 years ago0.41000.0.0.4100
21-30 years ago0.8660.0.0.866
31-40 years ago1.2500.0.1.250
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total3.1130.0.3.113
GLn/a0.0.0.0.0.0.
less than 10 years ago3.1233.9207.014
11-20 years ago0.6581.8322.328
21-30 years ago0.4711.4371.832
31-40 years ago0.0.0.6570.657
41-50 years ago0.21000.0.0.2100
over 50 years ago0.6581.3371.930
total4.9188.91113.87
GRn/a0.4710.0.0.471
less than 10 years ago22.4934.5756.95
11-20 years ago6.51715.61122.29
21-30 years ago5.31912.21217.610
31-40 years ago4.8208.51513.312
41-50 years ago2.0324.8206.817
over 50 years ago12.71214.71127.48
total54.2590.33144.52
JUn/a0.0.0.0.0.0.
less than 10 years ago13.5105.01818.57
11-20 years ago4.5202.9257.415
21-30 years ago1.9311.0442.925
31-40 years ago0.21000.6580.850
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.2412.0313.124
total21.3611.41132.83
LUn/a0.0.0.0.0.0.
less than 10 years ago24.864.42029.25
11-20 years ago4.6202.2306.816
21-30 years ago1.0440.21001.241
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.9490.0.0.949
over 50 years ago0.6580.6571.241
total31.947.41539.43
NEn/a0.21000.0.0.2100
less than 10 years ago17.373.12320.46
11-20 years ago3.9210.21004.120
21-30 years ago0.8510.0.0.851
31-40 years ago0.9510.21001.145
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.4720.851
total23.453.92127.33
NWn/a0.31000.0.0.3100
less than 10 years ago1.8332.0313.820
11-20 years ago0.0.1.1441.144
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.4720.4670.848
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.0490.31001.243
total3.5213.7207.29
OWn/a0.0.0.0.0.0.
less than 10 years ago4.1203.4227.513
11-20 years ago1.4371.2412.626
21-30 years ago0.6581.1441.734
31-40 years ago1.0440.7571.734
41-50 years ago0.7580.9481.536
over 50 years ago1.3371.8303.122
total9.1129.01118.14
SGn/a0.0.0.0.0.0.
less than 10 years ago14.21115.01029.26
11-20 years ago2.4295.5197.915
21-30 years ago0.8503.1263.923
31-40 years ago1.4381.8333.225
41-50 years ago0.0.1.3401.340
over 50 years ago1.3411.9333.225
total20.1928.7648.84
SHn/a0.21000.0.0.2100
less than 10 years ago10.160.210010.36
11-20 years ago0.9410.21001.137
21-30 years ago0.4710.0.0.471
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total11.940.46912.33
SOn/a0.0.0.0.0.0.
less than 10 years ago23.951.73325.64
11-20 years ago2.7250.21002.924
21-30 years ago1.1410.5701.636
31-40 years ago0.21000.5700.758
41-50 years ago0.21000.0.0.2100
over 50 years ago0.3710.21000.557
total28.533.12531.62
SZn/a0.0.0.0.0.0.
less than 10 years ago6.7166.41613.29
11-20 years ago2.0311.9313.921
21-30 years ago1.6351.5343.124
31-40 years ago0.8501.1401.930
41-50 years ago0.6580.0.0.658
over 50 years ago1.8331.0452.826
total13.51012.01025.54
TGn/a0.0.0.0.0.0.
less than 10 years ago14.172.02816.05
11-20 years ago2.6250.21002.824
21-30 years ago0.0.0.21000.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.6590.0.0.659
total17.252.42619.63
TIn/a0.0.0.21000.2100
less than 10 years ago2.52910.91313.312
11-20 years ago2.8269.81412.712
21-30 years ago2.0319.21411.213
31-40 years ago1.93314.61116.410
41-50 years ago0.65710.21310.813
over 50 years ago6.61728.6735.27
total16.31083.6399.92
URn/a0.0.0.0.0.0.
less than 10 years ago1.1403.3214.418
11-20 years ago1.2401.2392.426
21-30 years ago0.4710.6561.043
31-40 years ago0.4720.4690.850
41-50 years ago0.4670.21000.652
over 50 years ago1.4362.4273.820
total4.8188.11112.96
VDn/a1.8330.0.1.833
less than 10 years ago38.066.81644.95
11-20 years ago17.1104.52021.69
21-30 years ago4.1213.4247.516
31-40 years ago1.6352.4293.922
41-50 years ago1.2410.6581.833
over 50 years ago3.7232.5286.217
total67.5320.2987.72
VSn/a0.21000.5570.750
less than 10 years ago6.01814.41120.59
11-20 years ago4.02213.51117.410
21-30 years ago3.32514.41117.710
31-40 years ago2.2309.81411.912
41-50 years ago1.3383.7235.019
over 50 years ago7.51618.21025.78
total24.5874.5399.02
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.4231.8284.213
11-20 years ago0.21000.7460.943
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 ago0.21000.0.0.2100
total2.9192.5205.48
ZHn/a0.0.0.0.0.0.
less than 10 years ago38.241.53739.64
11-20 years ago6.3170.0.6.317
21-30 years ago1.5380.21001.735
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.2400.0.1.240
total47.121.63548.82
Switzerlandn/a3.1261.1414.222
less than 10 years ago374.52179.03553.51
11-20 years ago90.6486.35176.93
21-30 years ago34.8856.0690.95
31-40 years ago20.61045.5666.05
41-50 years ago8.81523.8932.68
over 50 years ago51.0682.75133.74
total583.41474.411057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #849399/315730
NFI1
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
state1983/85
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.
less than 10 years ago36.041.04437.04
11-20 years ago6.8160.21007.016
21-30 years ago1.8330.0.1.833
31-40 years ago0.21000.4710.658
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.0440.21001.240
total45.921.83347.72
AIn/a0.0.0.0.0.0.
less than 10 years ago1.4341.9273.316
11-20 years ago0.6580.7471.235
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.21000.21000.471
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total2.3252.8205.19
ARn/a0.0.0.0.0.0.
less than 10 years ago3.5211.6325.115
11-20 years ago1.3361.1362.525
21-30 years ago0.0.0.21000.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.31000.0.0.3100
over 50 years ago0.21000.0.0.2100
total5.3132.8208.16
BEn/a4.0220.8504.820
less than 10 years ago63.9547.06110.93
11-20 years ago10.81316.21127.08
21-30 years ago4.4216.51710.813
31-40 years ago1.6352.8274.421
41-50 years ago0.6582.1322.728
over 50 years ago6.4176.81713.112
total91.7382.04173.81
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago12.492.42914.87
11-20 years ago1.7341.1442.827
21-30 years ago0.9500.4711.341
31-40 years ago0.5700.0.0.570
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.5670.0.0.567
total16.163.92220.03
FRn/a0.8510.0.0.851
less than 10 years ago14.5106.31620.87
11-20 years ago5.7185.11810.812
21-30 years ago2.5290.4722.926
31-40 years ago1.2411.1452.330
41-50 years ago0.0.0.21000.2100
over 50 years ago2.3301.2413.524
total27.2514.2941.43
GEn/a0.0.0.0.0.0.
less than 10 years ago0.8660.0.0.866
11-20 years ago0.41000.0.0.4100
21-30 years ago0.8660.0.0.866
31-40 years ago1.2500.0.1.250
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total3.1130.0.3.113
GLn/a1.7330.9492.627
less than 10 years ago3.4224.1207.513
11-20 years ago0.6581.8322.328
21-30 years ago0.4711.4371.832
31-40 years ago0.0.0.8500.850
41-50 years ago0.21000.0.0.2100
over 50 years ago0.6581.5342.129
total6.81510.41017.15
GRn/a17.1113.32420.410
less than 10 years ago23.8935.1758.95
11-20 years ago7.11615.81123.09
21-30 years ago5.71812.81218.610
31-40 years ago5.4198.51513.911
41-50 years ago2.0325.0197.016
over 50 years ago16.21117.21033.47
total77.4497.83175.22
JUn/a0.0.0.0.0.0.
less than 10 years ago14.395.01819.37
11-20 years ago4.7192.9257.615
21-30 years ago1.9311.0442.925
31-40 years ago0.21000.6580.850
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.2412.2293.323
total22.4611.61134.03
LUn/a0.21000.21000.471
less than 10 years ago25.664.42030.05
11-20 years ago5.0192.2307.216
21-30 years ago1.2400.21001.438
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.9490.0.0.949
over 50 years ago1.4380.8492.230
total34.347.81442.12
NEn/a0.21000.21000.370
less than 10 years ago17.773.32321.06
11-20 years ago4.2200.21004.420
21-30 years ago0.8510.0.0.851
31-40 years ago0.9510.21001.145
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.4720.851
total24.154.22028.33
NWn/a0.5710.0.0.571
less than 10 years ago2.0322.2294.318
11-20 years ago0.0.1.1441.144
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.4720.4670.848
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.0490.31001.243
total3.9204.0197.98
OWn/a0.21000.21000.471
less than 10 years ago4.3193.4227.713
11-20 years ago1.4371.2412.626
21-30 years ago0.6581.4391.932
31-40 years ago1.0440.8511.833
41-50 years ago0.7580.9481.536
over 50 years ago1.3371.8303.122
total9.5129.61019.14
SGn/a1.2410.9502.132
less than 10 years ago15.01015.31030.26
11-20 years ago2.9276.3179.114
21-30 years ago1.0453.1264.122
31-40 years ago1.4382.6284.022
41-50 years ago0.0.1.5381.538
over 50 years ago2.0333.1265.120
total23.4832.8656.33
SHn/a0.21000.0.0.2100
less than 10 years ago10.160.210010.36
11-20 years ago0.9410.21001.137
21-30 years ago0.4710.0.0.471
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total11.940.46912.33
SOn/a0.0.0.0.0.0.
less than 10 years ago24.351.73326.04
11-20 years ago2.9240.21003.123
21-30 years ago1.1410.5701.636
31-40 years ago0.21000.5700.758
41-50 years ago0.21000.0.0.2100
over 50 years ago0.3710.21000.557
total29.133.12532.12
SZn/a0.21000.21000.471
less than 10 years ago7.3156.61514.09
11-20 years ago2.4281.9314.320
21-30 years ago1.6351.9313.523
31-40 years ago0.8501.1401.930
41-50 years ago0.6580.0.0.658
over 50 years ago2.4281.4373.822
total15.3913.2928.53
TGn/a0.0.0.0.0.0.
less than 10 years ago14.272.02816.15
11-20 years ago2.6250.21002.824
21-30 years ago0.0.0.21000.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.6590.0.0.659
total17.352.42619.73
TIn/a9.31414.01123.39
less than 10 years ago3.62311.51315.111
11-20 years ago3.22510.21313.412
21-30 years ago2.2309.41411.613
31-40 years ago1.93315.61017.410
41-50 years ago1.24110.41311.613
over 50 years ago8.11531.2739.46
total29.58102.32131.82
URn/a3.0251.4384.321
less than 10 years ago1.5353.5215.017
11-20 years ago1.2401.2392.426
21-30 years ago0.4710.6561.043
31-40 years ago0.4720.4690.850
41-50 years ago0.4670.21000.652
over 50 years ago1.8312.6264.418
total8.6139.81018.45
VDn/a2.8260.6583.424
less than 10 years ago39.066.81645.95
11-20 years ago17.5104.52022.08
21-30 years ago4.3213.5237.915
31-40 years ago2.0312.4294.321
41-50 years ago1.4370.6582.031
over 50 years ago4.5213.1257.616
total71.5321.5893.02
VSn/a7.3172.1309.414
less than 10 years ago6.61714.81121.49
11-20 years ago4.82014.91119.79
21-30 years ago3.72314.81118.510
31-40 years ago2.23010.21312.412
41-50 years ago1.3383.7235.019
over 50 years ago9.91419.9929.97
total35.8780.53116.32
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.4232.0264.412
11-20 years ago0.21000.7460.943
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 ago0.21000.0.0.2100
total2.9192.6185.57
ZHn/a0.0.0.0.0.0.
less than 10 years ago39.241.53740.63
11-20 years ago6.5170.0.6.517
21-30 years ago1.5380.21001.735
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.4370.0.1.437
total48.521.63550.22
Switzerlandn/a48.8624.8973.55
less than 10 years ago387.02183.53570.51
11-20 years ago95.5489.94185.43
21-30 years ago37.2758.4695.64
31-40 years ago21.81048.4670.25
41-50 years ago9.61424.6934.27
over 50 years ago63.8593.84157.63
total663.81523.311187.01
© WSL, Swiss National Forest Inventory, 19.06.2020 #849400/315731
NFI1
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
state1983/85
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.
less than 10 years ago36.041.04437.04
11-20 years ago6.8160.21007.016
21-30 years ago1.6350.0.1.635
31-40 years ago0.21000.4710.658
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.0440.21001.240
total45.721.83347.52
AIn/a0.0.0.0.0.0.
less than 10 years ago1.4341.9273.316
11-20 years ago0.6580.7471.235
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.21000.21000.471
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.0.0.2100
total2.3252.8205.19
ARn/a0.0.0.0.0.0.
less than 10 years ago3.5211.6325.115
11-20 years ago1.3361.1362.525
21-30 years ago0.0.0.21000.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.31000.0.0.3100
over 50 years ago0.21000.0.0.2100
total5.3132.8208.16
BEn/a0.0.0.4710.471
less than 10 years ago63.5547.06110.53
11-20 years ago10.81316.21127.08
21-30 years ago4.4216.51710.813
31-40 years ago1.6352.8274.421
41-50 years ago0.6581.9332.529
over 50 years ago5.4195.81811.113
total86.3480.44166.71
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago12.492.42914.87
11-20 years ago1.7341.1442.827
21-30 years ago0.9500.4711.341
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.5670.0.0.567
total15.963.92219.73
FRn/a0.0.0.0.0.0.
less than 10 years ago14.5106.31620.87
11-20 years ago5.7185.11810.812
21-30 years ago2.5290.4722.926
31-40 years ago1.2411.1452.330
41-50 years ago0.0.0.21000.2100
over 50 years ago2.3301.2413.524
total26.3614.2940.53
GEn/a0.0.0.0.0.0.
less than 10 years ago0.8660.0.0.866
11-20 years ago0.41000.0.0.4100
21-30 years ago0.8660.0.0.866
31-40 years ago1.2500.0.1.250
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total3.1130.0.3.113
GLn/a0.0.0.0.0.0.
less than 10 years ago3.4224.1207.513
11-20 years ago0.6581.8322.328
21-30 years ago0.4711.4371.832
31-40 years ago0.0.0.6570.657
41-50 years ago0.21000.0.0.2100
over 50 years ago0.6581.3371.930
total5.1179.11114.27
GRn/a0.4710.0.0.471
less than 10 years ago23.6934.9758.55
11-20 years ago6.91715.81122.89
21-30 years ago5.51912.41218.010
31-40 years ago4.8208.51513.312
41-50 years ago2.0324.8206.817
over 50 years ago15.01116.21131.27
total58.2592.73150.92
JUn/a0.0.0.0.0.0.
less than 10 years ago14.395.01819.37
11-20 years ago4.7192.9257.615
21-30 years ago1.9311.0442.925
31-40 years ago0.21000.6580.850
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.2412.2293.323
total22.4611.61134.03
LUn/a0.0.0.0.0.0.
less than 10 years ago25.664.42030.05
11-20 years ago4.8202.2307.016
21-30 years ago1.0440.21001.241
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.9490.0.0.949
over 50 years ago1.0450.8491.833
total33.347.61541.03
NEn/a0.21000.0.0.2100
less than 10 years ago17.773.32321.06
11-20 years ago4.2200.21004.420
21-30 years ago0.8510.0.0.851
31-40 years ago0.9510.21001.145
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.4720.851
total24.154.12028.23
NWn/a0.31000.0.0.3100
less than 10 years ago1.8332.2294.119
11-20 years ago0.0.1.1441.144
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.4720.4670.848
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.0490.31001.243
total3.5214.0197.58
OWn/a0.0.0.0.0.0.
less than 10 years ago4.3193.4227.713
11-20 years ago1.4371.2412.626
21-30 years ago0.6581.4391.932
31-40 years ago1.0440.8511.833
41-50 years ago0.7580.9481.536
over 50 years ago1.3371.8303.122
total9.3129.41118.74
SGn/a0.0.0.0.0.0.
less than 10 years ago14.81115.31030.16
11-20 years ago2.9276.3179.114
21-30 years ago1.0453.1264.122
31-40 years ago1.4381.8333.225
41-50 years ago0.0.1.3401.340
over 50 years ago1.8352.3304.122
total21.8830.1652.03
SHn/a0.21000.0.0.2100
less than 10 years ago10.160.210010.36
11-20 years ago0.9410.21001.137
21-30 years ago0.4710.0.0.471
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total11.940.46912.33
SOn/a0.0.0.0.0.0.
less than 10 years ago24.351.73326.04
11-20 years ago2.7250.21002.924
21-30 years ago1.1410.5701.636
31-40 years ago0.21000.5700.758
41-50 years ago0.21000.0.0.2100
over 50 years ago0.3710.21000.557
total28.933.12531.92
SZn/a0.0.0.0.0.0.
less than 10 years ago7.3156.41613.89
11-20 years ago2.4281.9314.320
21-30 years ago1.6351.9313.523
31-40 years ago0.8501.1401.930
41-50 years ago0.6580.0.0.658
over 50 years ago1.8331.2412.925
total14.5912.61027.14
TGn/a0.0.0.0.0.0.
less than 10 years ago14.272.02816.15
11-20 years ago2.6250.21002.824
21-30 years ago0.0.0.21000.2100
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.6590.0.0.659
total17.352.42619.73
TIn/a0.0.0.21000.2100
less than 10 years ago3.62311.51315.111
11-20 years ago3.02610.21313.312
21-30 years ago2.2309.41411.613
31-40 years ago1.93315.01116.810
41-50 years ago0.94510.41311.413
over 50 years ago7.21630.0737.26
total18.81086.73105.52
URn/a0.0.0.0.0.0.
less than 10 years ago1.3373.5214.817
11-20 years ago1.2401.2392.426
21-30 years ago0.4710.6561.043
31-40 years ago0.4720.4690.850
41-50 years ago0.4670.21000.652
over 50 years ago1.6342.6264.219
total5.2178.41113.76
VDn/a1.8330.0.1.833
less than 10 years ago39.066.81645.95
11-20 years ago17.5104.52022.08
21-30 years ago4.3213.5237.915
31-40 years ago2.0312.4294.321
41-50 years ago1.4370.6582.031
over 50 years ago4.1222.9266.916
total70.0320.7990.82
VSn/a0.21000.5570.750
less than 10 years ago6.61714.81121.49
11-20 years ago4.62114.51119.19
21-30 years ago3.52414.41117.910
31-40 years ago2.2309.81411.912
41-50 years ago1.3383.7235.019
over 50 years ago8.71518.81027.58
total27.1876.53103.62
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.4232.0264.412
11-20 years ago0.21000.7460.943
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 ago0.21000.0.0.2100
total2.9192.6185.57
ZHn/a0.0.0.0.0.0.
less than 10 years ago39.241.53740.63
11-20 years ago6.5170.0.6.517
21-30 years ago1.5380.21001.735
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.4370.0.1.437
total48.521.63550.22
Switzerlandn/a3.1261.1414.222
less than 10 years ago385.92183.13568.91
11-20 years ago94.6489.44184.03
21-30 years ago36.4757.6694.14
31-40 years ago21.01046.4667.45
41-50 years ago9.41524.0933.48
over 50 years ago57.6688.04145.63
total607.91489.611097.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #849401/315732
NFI1
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: terrestrial grid NFI1
state1983/85
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.
less than 10 years ago37.930.93338.83
11-20 years ago6.2120.11006.312
21-30 years ago1.3270.11001.426
31-40 years ago0.4500.2710.641
41-50 years ago0.0.0.11000.1100
over 50 years ago0.6400.2710.835
total46.321.62547.91
AIn/a0.0.0.0.0.0.
less than 10 years ago1.4221.6213.012
11-20 years ago0.4500.9301.325
21-30 years ago0.0.0.11000.1100
31-40 years ago0.11000.11000.271
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3570.0.0.357
total2.2172.7144.97
ARn/a0.0.0.0.0.0.
less than 10 years ago3.2151.6234.810
11-20 years ago1.2271.0292.219
21-30 years ago0.0.0.3580.358
31-40 years ago0.11000.0.0.1100
41-50 years ago0.2720.0.0.272
over 50 years ago0.2710.11000.357
total4.9103.0157.94
BEn/a0.2710.3580.545
less than 10 years ago63.8345.84109.62
11-20 years ago11.1916.0827.26
21-30 years ago4.3156.41210.69
31-40 years ago1.5262.4203.916
41-50 years ago0.5451.2291.724
over 50 years ago5.6136.21211.89
total87.0378.33165.41
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago13.162.22115.35
11-20 years ago2.4200.9333.316
21-30 years ago0.6410.3580.933
31-40 years ago0.11000.0.0.1100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.6380.11000.834
total16.943.51620.42
FRn/a0.0.0.0.0.0.
less than 10 years ago13.777.31121.05
11-20 years ago5.3134.6139.89
21-30 years ago2.2211.1303.317
31-40 years ago1.0311.4272.420
41-50 years ago0.0.0.2710.271
over 50 years ago2.0221.6253.616
total24.2416.3640.42
GEn/a0.11000.0.0.1100
less than 10 years ago1.0300.0.1.030
11-20 years ago0.3690.0.0.369
21-30 years ago1.0320.0.1.032
31-40 years ago0.6410.0.0.641
41-50 years ago0.11000.0.0.1100
over 50 years ago0.3690.0.0.369
total3.460.0.3.46
GLn/a0.0.0.0.0.0.
less than 10 years ago3.7153.7157.59
11-20 years ago0.4501.6242.021
21-30 years ago0.4500.8351.228
31-40 years ago0.11000.8340.932
41-50 years ago0.11000.2710.358
over 50 years ago1.5251.5253.017
total6.2118.7815.05
GRn/a0.3580.11000.450
less than 10 years ago23.2636.4559.63
11-20 years ago8.51114.7823.26
21-30 years ago4.61511.8916.47
31-40 years ago5.3149.01014.28
41-50 years ago2.3216.0138.311
over 50 years ago14.9816.7731.65
total59.1494.62153.71
JUn/a0.0.0.0.0.0.
less than 10 years ago14.175.21319.35
11-20 years ago5.1132.4207.511
21-30 years ago1.7241.0312.719
31-40 years ago0.6410.3580.933
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.9231.8243.716
total23.4410.7834.12
LUn/a0.0.0.0.0.0.
less than 10 years ago25.144.41429.53
11-20 years ago5.8121.5257.310
21-30 years ago0.9330.4501.227
31-40 years ago0.6410.3580.933
41-50 years ago0.4490.0.0.449
over 50 years ago1.4260.5451.922
total34.137.01141.22
NEn/a0.2700.0.0.270
less than 10 years ago18.352.61821.04
11-20 years ago4.1150.6414.714
21-30 years ago0.6410.0.0.641
31-40 years ago0.5450.2710.738
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8350.4501.229
total24.533.81528.42
NWn/a0.2710.4490.740
less than 10 years ago1.8222.7174.512
11-20 years ago0.2690.8371.032
21-30 years ago0.11000.2710.358
31-40 years ago0.3580.2690.543
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8370.2691.032
total3.5144.5118.05
OWn/a0.0.0.0.0.0.
less than 10 years ago4.9133.7158.69
11-20 years ago0.9331.1302.121
21-30 years ago0.4501.4271.823
31-40 years ago1.0330.8351.823
41-50 years ago0.4500.8351.328
over 50 years ago1.4251.8233.216
total9.189.7718.83
SGn/a0.0.0.0.0.0.
less than 10 years ago14.6715.7730.34
11-20 years ago2.1225.8137.911
21-30 years ago0.6413.4174.016
31-40 years ago0.8352.1222.918
41-50 years ago0.3581.0311.328
over 50 years ago1.5272.9184.415
total19.9630.9450.82
SHn/a0.2710.0.0.271
less than 10 years ago8.660.4509.06
11-20 years ago1.9210.11002.021
21-30 years ago0.5450.0.0.545
31-40 years ago0.4480.11000.543
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total11.630.64012.22
SOn/a0.0.0.0.0.0.
less than 10 years ago22.542.12124.63
11-20 years ago3.5160.4503.915
21-30 years ago0.9330.2701.130
31-40 years ago0.3580.3580.641
41-50 years ago0.11000.0.0.1100
over 50 years ago0.7370.3581.031
total28.033.31731.42
SZn/a0.0.0.0.0.0.
less than 10 years ago7.1117.51014.66
11-20 years ago2.1222.2214.315
21-30 years ago1.2292.2213.417
31-40 years ago0.7370.9331.624
41-50 years ago0.4500.2710.640
over 50 years ago1.4260.9332.420
total12.9714.0626.83
TGn/a0.0.0.11000.1100
less than 10 years ago14.151.92116.04
11-20 years ago2.6180.2702.817
21-30 years ago0.0.0.2710.271
31-40 years ago0.0.0.11000.1100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3580.0.0.358
total17.032.41819.42
TIn/a0.0.0.11000.1100
less than 10 years ago3.41711.2914.78
11-20 years ago2.81910.3913.18
21-30 years ago2.12210.5912.68
31-40 years ago2.42016.0718.47
41-50 years ago0.6419.81010.49
over 50 years ago7.71130.4538.14
total19.1788.32107.42
URn/a0.0.0.0.0.0.
less than 10 years ago1.3283.5164.813
11-20 years ago1.1301.4262.519
21-30 years ago0.3580.8371.131
31-40 years ago0.3570.4480.837
41-50 years ago0.2550.6440.835
over 50 years ago2.1222.3214.414
total5.4129.0814.45
VDn/a1.7240.0.1.724
less than 10 years ago42.147.11249.23
11-20 years ago16.774.61421.36
21-30 years ago4.2153.4177.611
31-40 years ago1.6252.5204.215
41-50 years ago1.5260.4501.923
over 50 years ago4.9143.2178.111
total72.8221.2694.11
VSn/a0.4500.8351.129
less than 10 years ago7.71115.3823.06
11-20 years ago4.81413.2817.97
21-30 years ago3.21713.6816.87
31-40 years ago2.1229.61011.89
41-50 years ago1.0323.5174.515
over 50 years ago10.6916.7727.36
total29.8572.62102.42
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.8142.0184.97
11-20 years ago0.4490.4490.733
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 ago0.11000.0.0.1100
total3.3122.4165.74
ZHn/a0.0.0.0.0.0.
less than 10 years ago39.030.83539.83
11-20 years ago7.2110.0.7.211
21-30 years ago1.2290.11001.327
31-40 years ago0.3580.0.0.358
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.1300.0.1.130
total48.810.93349.71
Switzerlandn/a3.4171.8235.214
less than 10 years ago388.81185.62574.31
11-20 years ago96.7384.93181.62
21-30 years ago32.3658.3490.63
31-40 years ago21.3747.8469.14
41-50 years ago8.31123.9632.25
over 50 years ago62.7487.83150.52
total613.41490.111103.60
© WSL, Swiss National Forest Inventory, 19.06.2020 #849402/315733
NFI2
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 NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.
less than 10 years ago34.040.47134.44
11-20 years ago7.6140.6588.214
21-30 years ago1.8330.21002.031
31-40 years ago0.8500.0.0.850
41-50 years ago0.21000.4710.658
over 50 years ago0.4710.21000.658
total44.921.83346.72
AIn/a0.0.0.0.0.0.
less than 10 years ago0.4681.1381.531
11-20 years ago0.9421.0431.927
21-30 years ago0.6580.5571.139
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.21000.471
over 50 years ago0.21000.0.0.2100
total2.3252.8205.19
ARn/a0.0.0.0.0.0.
less than 10 years ago2.9221.2384.117
11-20 years ago1.5351.0392.525
21-30 years ago0.5670.5551.044
31-40 years ago0.0.0.21000.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4730.0.0.473
total5.3132.8208.16
BEn/a0.0.0.0.0.0.
less than 10 years ago49.4535.6785.04
11-20 years ago20.9920.9941.86
21-30 years ago5.8189.21415.011
31-40 years ago2.4294.5216.817
41-50 years ago1.4381.8333.225
over 50 years ago3.6235.6199.214
total83.5477.64161.11
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago7.9141.4409.212
11-20 years ago5.5171.7347.114
21-30 years ago0.9510.4711.341
31-40 years ago0.9500.4711.341
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.0.0.3100
total15.763.92219.64
FRn/a0.0.0.0.0.0.
less than 10 years ago13.9105.41819.38
11-20 years ago6.1183.5239.613
21-30 years ago2.2313.0225.218
31-40 years ago1.6350.4722.032
41-50 years ago0.8500.5711.341
over 50 years ago1.3411.0452.330
total25.9513.81039.73
GEn/a0.0.0.0.0.0.
less than 10 years ago1.2500.0.1.250
11-20 years ago0.0.0.0.0.0.
21-30 years ago0.41000.0.0.4100
31-40 years ago0.41000.0.0.4100
41-50 years ago1.2500.0.1.250
over 50 years ago0.0.0.0.0.0.
total3.1130.0.3.113
GLn/a0.0.0.0.0.0.
less than 10 years ago1.6353.1244.718
11-20 years ago1.9292.1294.019
21-30 years ago0.4711.0441.437
31-40 years ago0.4711.2401.634
41-50 years ago0.0.0.6570.657
over 50 years ago0.6580.9441.534
total4.9188.91113.87
GRn/a0.4710.0.0.471
less than 10 years ago17.11027.8844.96
11-20 years ago12.61219.8932.47
21-30 years ago4.8209.91414.711
31-40 years ago3.6239.11412.612
41-50 years ago2.4296.7179.214
over 50 years ago13.31217.01030.37
total54.2590.33144.52
JUn/a0.0.0.0.0.0.
less than 10 years ago9.6134.32013.910
11-20 years ago8.0143.22311.311
21-30 years ago2.3281.6353.921
31-40 years ago1.0440.6571.635
41-50 years ago0.21000.6580.850
over 50 years ago0.21001.2401.437
total21.3611.41132.83
LUn/a0.0.0.0.0.0.
less than 10 years ago16.883.12519.87
11-20 years ago10.4122.62713.010
21-30 years ago3.1251.1404.221
31-40 years ago0.6570.21000.850
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.1440.4711.537
total31.947.41539.43
NEn/a0.0.0.0.0.0.
less than 10 years ago16.773.12319.86
11-20 years ago4.8190.21005.019
21-30 years ago1.3410.0.1.341
31-40 years ago0.4710.0.0.471
41-50 years ago0.31000.21000.572
over 50 years ago0.0.0.4720.472
total23.453.92127.33
NWn/a0.0.0.0.0.0.
less than 10 years ago1.8332.4284.219
11-20 years ago0.5710.7591.243
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.4670.552
over 50 years ago1.0490.31001.243
total3.5213.7207.29
OWn/a0.0.0.0.0.0.
less than 10 years ago3.4233.3236.714
11-20 years ago2.3271.8334.119
21-30 years ago1.0451.0452.031
31-40 years ago0.4700.7581.144
41-50 years ago0.4710.7571.144
over 50 years ago1.6351.6333.223
total9.1129.01118.14
SGn/a0.0.0.0.0.0.
less than 10 years ago11.01310.21321.28
11-20 years ago5.5188.91414.310
21-30 years ago0.8503.0263.823
31-40 years ago0.4712.3302.728
41-50 years ago1.1411.4382.627
over 50 years ago1.3412.8274.222
total20.1928.7648.84
SHn/a0.0.0.0.0.0.
less than 10 years ago7.7110.0.7.711
11-20 years ago3.8200.21004.019
21-30 years ago0.0.0.21000.2100
31-40 years ago0.21000.0.0.2100
41-50 years ago0.21000.0.0.2100
over 50 years ago0.0.0.0.0.0.
total11.940.46912.33
SOn/a0.0.0.0.0.0.
less than 10 years ago18.571.04519.57
11-20 years ago7.6151.0458.514
21-30 years ago1.0390.21001.236
31-40 years ago0.8510.5701.341
41-50 years ago0.0.0.21000.2100
over 50 years ago0.6590.21000.850
total28.533.12531.62
SZn/a0.0.0.0.0.0.
less than 10 years ago6.6164.12110.711
11-20 years ago2.2303.6225.817
21-30 years ago1.4381.3372.726
31-40 years ago1.0451.2392.229
41-50 years ago0.8500.8501.634
over 50 years ago1.5351.0452.527
total13.51012.01025.54
TGn/a0.0.0.0.0.0.
less than 10 years ago11.292.02813.27
11-20 years ago5.0170.4735.316
21-30 years ago0.7520.0.0.752
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3720.0.0.372
total17.252.42619.63
TIn/a0.21000.0.0.2100
less than 10 years ago2.7287.31610.014
11-20 years ago1.4388.5159.914
21-30 years ago1.2418.71510.014
31-40 years ago2.2308.81511.013
41-50 years ago1.73513.41115.011
over 50 years ago7.01636.8643.76
total16.31083.6399.92
URn/a0.0.0.0.0.0.
less than 10 years ago1.2403.5224.718
11-20 years ago0.7491.2391.930
21-30 years ago1.2401.0432.228
31-40 years ago0.0.0.6560.656
41-50 years ago0.4720.21000.658
over 50 years ago1.3371.7342.924
total4.8188.11112.96
VDn/a0.0.0.0.0.0.
less than 10 years ago35.168.51543.65
11-20 years ago15.5103.82219.39
21-30 years ago9.4142.32911.812
31-40 years ago2.2301.6353.723
41-50 years ago1.2411.6352.726
over 50 years ago4.0222.5276.517
total67.5320.2987.72
VSn/a0.0.0.4710.471
less than 10 years ago5.91815.11121.09
11-20 years ago3.62310.41314.011
21-30 years ago3.42410.61314.011
31-40 years ago2.33011.01313.411
41-50 years ago1.5358.2159.714
over 50 years ago7.71618.9926.68
total24.5874.5399.02
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.3241.5293.815
11-20 years ago0.4720.6571.044
21-30 years ago0.0.0.4670.467
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
total2.9192.5205.48
ZHn/a0.0.0.0.0.0.
less than 10 years ago34.941.24136.24
11-20 years ago8.6140.21008.814
21-30 years ago2.6280.0.2.628
31-40 years ago0.7570.21000.850
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.0.0.470
total47.121.63548.82
Switzerlandn/a0.6580.4710.945
less than 10 years ago313.72146.83460.52
11-20 years ago137.4497.84235.23
21-30 years ago46.7656.16102.84
31-40 years ago22.21043.3765.55
41-50 years ago14.51237.8752.36
over 50 years ago48.3692.34140.63
total583.41474.411057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #849403/315734
NFI1
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: terrestrial grid NFI1
state1983/85
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a0.0.0.0.0.0.
less than 10 years ago37.930.93338.83
11-20 years ago6.2120.11006.312
21-30 years ago1.4260.11001.526
31-40 years ago0.4500.2710.641
41-50 years ago0.0.0.11000.1100
over 50 years ago0.6400.2710.835
total46.411.62548.01
AIn/a0.11000.0.0.1100
less than 10 years ago1.4221.6213.012
11-20 years ago0.5450.9301.424
21-30 years ago0.0.0.11000.1100
31-40 years ago0.11000.11000.271
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3570.0.0.357
total2.4172.7145.17
ARn/a0.0.0.0.0.0.
less than 10 years ago3.2151.6234.810
11-20 years ago1.2271.0292.219
21-30 years ago0.0.0.3580.358
31-40 years ago0.11000.0.0.1100
41-50 years ago0.2720.0.0.272
over 50 years ago0.2710.11000.357
total4.9103.0157.94
BEn/a3.7160.6414.315
less than 10 years ago64.3346.14110.42
11-20 years ago11.1916.2727.46
21-30 years ago4.5156.41210.99
31-40 years ago1.6252.4204.016
41-50 years ago0.5451.4271.923
over 50 years ago6.7127.31114.08
total92.4280.43172.91
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago13.162.22115.35
11-20 years ago2.4200.9333.316
21-30 years ago0.6410.3580.933
31-40 years ago0.2700.0.0.270
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.6380.11000.834
total17.043.51620.52
FRn/a0.5450.11000.641
less than 10 years ago13.877.31121.15
11-20 years ago5.3134.6139.89
21-30 years ago2.2211.2283.417
31-40 years ago1.0311.4272.420
41-50 years ago0.0.0.2710.271
over 50 years ago2.1221.6253.716
total24.8416.5641.32
GEn/a0.11000.0.0.1100
less than 10 years ago1.0300.0.1.030
11-20 years ago0.3690.0.0.369
21-30 years ago1.0320.0.1.032
31-40 years ago0.6410.0.0.641
41-50 years ago0.11000.0.0.1100
over 50 years ago0.3690.0.0.369
total3.460.0.3.46
GLn/a1.6240.7362.320
less than 10 years ago3.7153.7157.59
11-20 years ago0.4501.6242.021
21-30 years ago0.4500.8351.228
31-40 years ago0.11000.9321.031
41-50 years ago0.11000.2710.358
over 50 years ago1.5251.7243.217
total7.8109.8717.64
GRn/a15.783.91619.77
less than 10 years ago23.3636.6559.93
11-20 years ago8.61114.8823.46
21-30 years ago4.71412.1916.87
31-40 years ago5.6139.31014.88
41-50 years ago2.3216.1138.411
over 50 years ago16.3818.0734.35
total76.53100.72177.21
JUn/a0.0.0.0.0.0.
less than 10 years ago14.175.21319.35
11-20 years ago5.1132.4207.511
21-30 years ago1.7241.0312.719
31-40 years ago0.6410.3580.933
41-50 years ago0.0.0.0.0.0.
over 50 years ago2.0221.8243.716
total23.5410.7834.22
LUn/a0.11000.11000.271
less than 10 years ago25.144.41429.53
11-20 years ago5.9121.5257.510
21-30 years ago0.9310.4501.326
31-40 years ago0.6410.3580.933
41-50 years ago0.4490.0.0.449
over 50 years ago1.7230.5452.221
total34.837.11141.92
NEn/a0.2700.2700.449
less than 10 years ago18.352.61821.04
11-20 years ago4.1150.6414.714
21-30 years ago0.6410.0.0.641
31-40 years ago0.5450.2710.738
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8350.4501.229
total24.534.01428.52
NWn/a0.3580.4490.837
less than 10 years ago1.9222.7174.611
11-20 years ago0.2690.8371.032
21-30 years ago0.11000.2710.358
31-40 years ago0.3580.2690.543
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.8370.2691.032
total3.7144.5118.25
OWn/a0.3580.11000.450
less than 10 years ago4.9133.7158.69
11-20 years ago0.9331.1302.121
21-30 years ago0.4501.4271.823
31-40 years ago1.0330.9331.923
41-50 years ago0.4500.8351.328
over 50 years ago1.4251.8233.216
total9.489.9719.33
SGn/a1.1301.0332.122
less than 10 years ago14.7715.7730.44
11-20 years ago2.1225.8128.011
21-30 years ago0.6413.5174.115
31-40 years ago0.8352.7193.516
41-50 years ago0.3581.1301.427
over 50 years ago1.6263.6165.214
total21.2633.5454.72
SHn/a0.2710.0.0.271
less than 10 years ago8.660.4509.06
11-20 years ago1.9210.11002.021
21-30 years ago0.5450.0.0.545
31-40 years ago0.4480.11000.543
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.0.0.0.0.0.
total11.630.64012.22
SOn/a0.0.0.0.0.0.
less than 10 years ago22.542.22124.73
11-20 years ago3.6150.4504.015
21-30 years ago0.9330.2701.130
31-40 years ago0.3580.3580.641
41-50 years ago0.11000.0.0.1100
over 50 years ago0.7370.3581.031
total28.133.41631.62
SZn/a0.11000.2710.357
less than 10 years ago7.1117.61014.76
11-20 years ago2.1222.2214.315
21-30 years ago1.2292.2213.417
31-40 years ago0.7370.9331.624
41-50 years ago0.4500.2710.640
over 50 years ago1.9221.0313.018
total13.5714.4627.92
TGn/a0.0.0.11000.1100
less than 10 years ago14.151.92116.04
11-20 years ago2.6180.2702.817
21-30 years ago0.0.0.2710.271
31-40 years ago0.0.0.11000.1100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3580.0.0.358
total17.032.41819.42
TIn/a9.51013.1822.76
less than 10 years ago3.41711.3914.88
11-20 years ago2.91810.4913.38
21-30 years ago2.12210.5912.68
31-40 years ago2.71916.5719.27
41-50 years ago0.83510.01010.89
over 50 years ago8.81031.8540.64
total30.35103.72134.01
URn/a3.3171.7245.014
less than 10 years ago1.4273.5164.913
11-20 years ago1.1301.4262.519
21-30 years ago0.3580.8371.131
31-40 years ago0.3570.4480.837
41-50 years ago0.2550.6440.835
over 50 years ago2.3202.3214.614
total9.0910.7719.74
VDn/a2.5200.6413.118
less than 10 years ago42.147.11249.23
11-20 years ago16.774.61421.36
21-30 years ago4.2153.4177.611
31-40 years ago1.6252.5204.215
41-50 years ago1.5260.4501.923
over 50 years ago5.2143.3178.511
total73.8221.9695.81
VSn/a7.5112.52010.010
less than 10 years ago7.81115.6723.46
11-20 years ago5.01413.5818.47
21-30 years ago3.31713.9817.27
31-40 years ago2.1229.81012.09
41-50 years ago1.0323.6164.614
over 50 years ago11.9917.9729.85
total38.6576.82115.41
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.8142.0184.97
11-20 years ago0.4490.4490.733
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 ago0.11000.0.0.1100
total3.3122.4165.74
ZHn/a0.0.0.0.0.0.
less than 10 years ago39.130.83539.93
11-20 years ago7.2110.0.7.211
21-30 years ago1.2290.11001.327
31-40 years ago0.3580.0.0.358
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.1300.0.1.130
total48.910.93349.81
Switzerlandn/a46.8525.4672.34
less than 10 years ago390.01186.72576.71
11-20 years ago97.5385.73183.32
21-30 years ago32.9559.2492.13
31-40 years ago22.1749.6471.74
41-50 years ago8.51124.6633.15
over 50 years ago69.3493.93163.22
total667.11525.111192.20
© WSL, Swiss National Forest Inventory, 19.06.2020 #849404/315735
NFI2
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
state1993/95
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 ago34.640.47135.04
11-20 years ago7.8140.6588.414
21-30 years ago1.8330.21002.031
31-40 years ago1.0440.0.1.044
41-50 years ago0.21000.4710.658
over 50 years ago0.6570.21000.850
total46.321.83348.12
AIn/a0.0.0.0.0.0.
less than 10 years ago0.4681.1381.531
11-20 years ago0.9421.0431.927
21-30 years ago0.6580.5571.139
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.21000.471
over 50 years ago0.21000.0.0.2100
total2.3252.8205.19
ARn/a0.0.0.0.0.0.
less than 10 years ago2.9221.2384.117
11-20 years ago1.5351.0392.525
21-30 years ago0.5670.5551.044
31-40 years ago0.0.0.21000.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4730.0.0.473
total5.3132.8208.16
BEn/a7.1172.0319.115
less than 10 years ago50.4536.8787.24
11-20 years ago21.3921.5942.86
21-30 years ago6.0189.21415.211
31-40 years ago2.7274.9207.616
41-50 years ago1.4382.0323.424
over 50 years ago4.8205.81810.613
total93.8382.24176.01
BL/BSn/a0.21000.0.0.2100
less than 10 years ago8.2131.6379.911
11-20 years ago5.5171.7347.114
21-30 years ago0.9510.4711.341
31-40 years ago0.9500.4711.341
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.0.0.3100
total16.364.12120.43
FRn/a1.0450.0.1.045
less than 10 years ago14.7105.61820.38
11-20 years ago6.3173.5239.813
21-30 years ago2.2313.2215.418
31-40 years ago1.6350.4722.032
41-50 years ago0.8500.7581.538
over 50 years ago1.3411.2412.529
total28.0514.6942.52
GEn/a0.6750.0.0.675
less than 10 years ago1.2500.0.1.250
11-20 years ago0.0.0.0.0.0.
21-30 years ago0.41000.0.0.4100
31-40 years ago0.41000.0.0.4100
41-50 years ago1.2500.0.1.250
over 50 years ago0.0.0.0.0.0.
total3.750.0.3.75
GLn/a3.7221.3395.019
less than 10 years ago2.0313.2235.217
11-20 years ago1.9292.1294.019
21-30 years ago0.4711.0441.437
31-40 years ago0.4711.2401.634
41-50 years ago0.0.0.6570.657
over 50 years ago0.8501.1401.931
total9.21310.5919.75
GRn/a21.2106.11827.38
less than 10 years ago18.51029.0847.66
11-20 years ago14.01121.6935.67
21-30 years ago6.21810.11316.311
31-40 years ago4.3219.71414.011
41-50 years ago3.1266.91710.014
over 50 years ago16.71020.3937.17
total84.14103.83187.81
JUn/a0.4710.0.0.471
less than 10 years ago9.8124.32014.110
11-20 years ago8.2143.22311.511
21-30 years ago2.3281.6353.921
31-40 years ago1.0440.6571.635
41-50 years ago0.21000.6580.850
over 50 years ago0.21001.4371.635
total22.1611.61133.73
LUn/a1.0450.21001.241
less than 10 years ago17.283.12520.27
11-20 years ago10.6122.62713.210
21-30 years ago3.4241.1404.620
31-40 years ago0.6570.21000.850
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.5370.8502.330
total34.348.01442.42
NEn/a0.21000.21000.371
less than 10 years ago16.973.32320.26
11-20 years ago5.1190.21005.218
21-30 years ago1.4380.0.1.438
31-40 years ago0.4710.0.0.471
41-50 years ago0.31000.21000.572
over 50 years ago0.0.0.4720.472
total24.254.22028.43
NWn/a0.21000.0.0.2100
less than 10 years ago1.8332.4284.219
11-20 years ago0.8560.7591.539
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.4670.552
over 50 years ago1.4390.31001.736
total4.4173.7208.17
OWn/a0.21000.21000.470
less than 10 years ago3.6223.4227.014
11-20 years ago2.3271.8334.119
21-30 years ago1.0451.0452.031
31-40 years ago0.6570.9491.537
41-50 years ago0.4710.7571.144
over 50 years ago1.8331.6333.422
total9.9119.61119.54
SGn/a3.2253.4256.617
less than 10 years ago11.61211.11222.68
11-20 years ago6.1179.11415.210
21-30 years ago1.0453.6234.721
31-40 years ago0.4712.3302.728
41-50 years ago1.1411.4382.627
over 50 years ago2.2313.7245.918
total25.7834.6560.33
SHn/a0.0.0.0.0.0.
less than 10 years ago7.7110.0.7.711
11-20 years ago3.8200.21004.019
21-30 years ago0.0.0.21000.2100
31-40 years ago0.21000.0.0.2100
41-50 years ago0.21000.0.0.2100
over 50 years ago0.0.0.0.0.0.
total11.940.46912.33
SOn/a0.0.0.0.0.0.
less than 10 years ago18.971.04519.97
11-20 years ago7.7141.0458.713
21-30 years ago1.2360.21001.433
31-40 years ago0.8510.5701.341
41-50 years ago0.0.0.21000.2100
over 50 years ago0.6590.21000.850
total29.333.12532.32
SZn/a0.8500.4711.340
less than 10 years ago6.8154.52011.211
11-20 years ago2.6273.6226.217
21-30 years ago1.6351.3372.925
31-40 years ago1.0451.6342.627
41-50 years ago0.8501.0451.833
over 50 years ago1.5351.2412.726
total15.1913.6928.73
TGn/a0.11000.0.0.1100
less than 10 years ago11.392.02813.47
11-20 years ago5.0170.4735.316
21-30 years ago0.7520.0.0.752
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3720.0.0.372
total17.552.42619.93
TIn/a12.31217.21029.58
less than 10 years ago3.1268.71511.813
11-20 years ago2.9268.91511.813
21-30 years ago1.6358.91410.613
31-40 years ago2.4298.81511.213
41-50 years ago2.03214.21116.210
over 50 years ago8.51539.5648.05
total32.87106.22139.02
URn/a3.4241.2414.620
less than 10 years ago1.8313.7215.516
11-20 years ago0.7491.2391.930
21-30 years ago1.2401.4372.626
31-40 years ago0.0.0.6560.656
41-50 years ago0.4720.21000.658
over 50 years ago1.6321.8323.522
total9.21210.01019.25
VDn/a3.4240.6584.022
less than 10 years ago37.468.81446.25
11-20 years ago16.1103.82219.99
21-30 years ago9.6142.32911.912
31-40 years ago2.8261.7334.521
41-50 years ago1.6351.6353.125
over 50 years ago5.2192.9258.115
total76.1321.7897.92
VSn/a8.3154.32112.612
less than 10 years ago6.51715.91022.49
11-20 years ago4.82011.21216.010
21-30 years ago4.02211.21315.211
31-40 years ago2.72711.01313.811
41-50 years ago2.0318.21510.213
over 50 years ago7.91619.2927.28
total36.2781.13117.32
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.3241.5293.815
11-20 years ago0.4720.8471.139
21-30 years ago0.0.0.4670.467
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
total2.9192.6185.57
ZHn/a0.0.0.0.0.0.
less than 10 years ago36.041.24137.24
11-20 years ago8.8140.21009.014
21-30 years ago2.6280.0.2.628
31-40 years ago0.7570.21000.850
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.0.0.470
total48.421.63550.01
Switzerlandn/a67.5537.07104.54
less than 10 years ago325.62154.03479.62
11-20 years ago145.33101.84247.03
21-30 years ago50.7658.36109.04
31-40 years ago25.0945.1670.15
41-50 years ago16.31139.4755.66
over 50 years ago58.66101.64160.13
total688.81537.111226.00
© WSL, Swiss National Forest Inventory, 19.06.2020 #849405/315736
NFI2
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: terrestrial grid NFI2
state1993/95
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a2.1280.0.2.128
less than 10 years ago33.640.47133.94
11-20 years ago7.1140.5587.614
21-30 years ago1.6330.21001.831
31-40 years ago0.9440.0.0.944
41-50 years ago0.21000.4710.558
over 50 years ago0.6570.21000.750
total46.021.63347.62
AIn/a0.21000.3710.557
less than 10 years ago0.5551.1351.627
11-20 years ago0.8430.8441.629
21-30 years ago0.5580.4560.939
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.21000.471
over 50 years ago0.21000.0.0.2100
total2.3232.8185.09
ARn/a0.4740.11000.560
less than 10 years ago2.5231.6294.116
11-20 years ago1.3360.9402.226
21-30 years ago0.5670.4550.945
31-40 years ago0.0.0.11000.1100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4740.0.0.474
total5.0123.1188.16
BEn/a12.3127.21619.59
less than 10 years ago50.3535.4685.73
11-20 years ago18.9919.2938.06
21-30 years ago5.3188.21413.511
31-40 years ago2.5274.3206.816
41-50 years ago1.2381.8323.024
over 50 years ago4.3205.2189.513
total94.8381.24176.01
BL/BSn/a0.8490.0.0.849
less than 10 years ago8.5121.93210.410
11-20 years ago4.9181.5346.415
21-30 years ago0.8510.4711.241
31-40 years ago0.9500.3711.241
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.0.0.3100
total16.464.12020.53
FRn/a2.9250.8453.822
less than 10 years ago14.595.41720.07
11-20 years ago5.6173.1238.813
21-30 years ago2.0312.9224.818
31-40 years ago1.4350.4721.832
41-50 years ago0.7500.6581.438
over 50 years ago1.2411.1412.229
total28.3514.3942.72
GEn/a0.9470.0.0.947
less than 10 years ago0.8530.0.0.853
11-20 years ago0.0.0.0.0.0.
21-30 years ago0.31000.0.0.3100
31-40 years ago0.31000.0.0.3100
41-50 years ago0.8530.0.0.853
over 50 years ago0.0.0.0.0.0.
total2.9150.0.2.915
GLn/a3.8211.9305.717
less than 10 years ago2.5253.4215.815
11-20 years ago1.7301.9293.619
21-30 years ago0.4710.9441.338
31-40 years ago0.4721.0411.435
41-50 years ago0.0.0.5580.558
over 50 years ago0.7501.0411.731
total9.41210.6920.04
GRn/a26.3813.41139.76
less than 10 years ago18.1929.7747.95
11-20 years ago12.51119.1931.67
21-30 years ago5.5188.91414.411
31-40 years ago3.9218.61412.411
41-50 years ago2.7266.1178.814
over 50 years ago14.91117.9932.87
total83.94103.63187.51
JUn/a1.3351.0402.426
less than 10 years ago9.5124.21913.89
11-20 years ago7.4142.92310.211
21-30 years ago2.1281.4353.522
31-40 years ago0.9440.5581.435
41-50 years ago0.21000.5580.750
over 50 years ago0.21001.2371.435
total21.5611.81033.32
LUn/a3.4220.3713.721
less than 10 years ago17.482.72520.17
11-20 years ago9.5122.32711.811
21-30 years ago3.1241.0414.120
31-40 years ago0.5580.21000.750
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.4370.7502.030
total35.347.21442.52
NEn/a1.3370.3701.633
less than 10 years ago16.673.22219.86
11-20 years ago4.5190.11004.618
21-30 years ago1.3380.0.1.338
31-40 years ago0.3710.0.0.371
41-50 years ago0.21000.21000.472
over 50 years ago0.0.0.3710.371
total24.244.11928.33
NWn/a0.5580.4710.944
less than 10 years ago1.8312.5254.317
11-20 years ago0.7560.6591.339
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.11000.3680.453
over 50 years ago1.3400.21001.536
total4.4164.0188.46
OWn/a1.1401.2382.327
less than 10 years ago3.4213.3226.714
11-20 years ago2.0261.6333.620
21-30 years ago0.9450.9451.831
31-40 years ago0.5570.8491.337
41-50 years ago0.4710.6580.944
over 50 years ago1.6331.5333.122
total10.0119.81019.73
SGn/a4.2205.5179.713
less than 10 years ago11.71111.51123.27
11-20 years ago5.5188.01413.510
21-30 years ago0.9453.2234.121
31-40 years ago0.4712.0302.328
41-50 years ago1.0411.3382.328
over 50 years ago1.9313.2245.118
total25.6734.6560.22
SHn/a0.4700.21000.657
less than 10 years ago7.6100.0.7.610
11-20 years ago3.4210.21003.620
21-30 years ago0.0.0.21000.2100
31-40 years ago0.21000.0.0.2100
41-50 years ago0.21000.0.0.2100
over 50 years ago0.0.0.0.0.0.
total11.830.55612.42
SOn/a1.8300.4712.227
less than 10 years ago18.470.94519.36
11-20 years ago6.8150.8457.614
21-30 years ago1.1360.11001.334
31-40 years ago0.7510.4701.241
41-50 years ago0.0.0.21000.2100
over 50 years ago0.5590.21000.750
total29.433.12332.52
SZn/a2.3271.5333.921
less than 10 years ago6.4154.61811.010
11-20 years ago2.3283.3235.617
21-30 years ago1.4351.2382.625
31-40 years ago0.9451.4352.327
41-50 years ago0.7500.8451.533
over 50 years ago1.3351.1412.426
total15.4913.9929.33
TGn/a0.5490.0.0.549
less than 10 years ago11.382.02813.37
11-20 years ago4.6170.3745.016
21-30 years ago0.7530.0.0.753
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3730.0.0.373
total17.342.32519.73
TIn/a14.41123.8838.26
less than 10 years ago2.9259.11412.012
11-20 years ago2.6268.21510.813
21-30 years ago1.5357.9159.413
31-40 years ago2.1297.91510.013
41-50 years ago1.83212.61114.510
over 50 years ago7.61535.4643.05
total32.97104.92137.91
URn/a4.6191.7316.316
less than 10 years ago2.1263.5205.614
11-20 years ago0.6491.0391.630
21-30 years ago1.0401.2372.226
31-40 years ago0.0.0.5570.557
41-50 years ago0.3710.21000.558
over 50 years ago1.5321.6323.022
total10.1119.6919.85
VDn/a7.3152.82410.213
less than 10 years ago37.068.21445.25
11-20 years ago14.2103.52217.79
21-30 years ago8.4142.02910.412
31-40 years ago2.5261.5334.021
41-50 years ago1.4351.4352.825
over 50 years ago4.6192.5267.115
total75.4321.9897.42
VSn/a11.21211.11222.38
less than 10 years ago6.51616.01022.58
11-20 years ago4.22010.01314.210
21-30 years ago3.5229.91313.411
31-40 years ago2.4279.81312.211
41-50 years ago1.8317.2159.013
over 50 years ago6.91617.0924.08
total36.4681.03117.42
ZGn/a0.0.0.21000.2100
less than 10 years ago2.6201.3303.913
11-20 years ago0.3730.7471.039
21-30 years ago0.0.0.3680.368
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
total3.1172.6195.76
ZHn/a2.7250.0.2.725
less than 10 years ago34.741.23735.94
11-20 years ago7.5140.21007.714
21-30 years ago2.1280.0.2.128
31-40 years ago0.5570.21000.750
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3700.0.0.370
total47.921.63349.41
Switzerlandn/a106.6474.25180.93
less than 10 years ago321.32153.03474.31
11-20 years ago128.8390.54219.43
21-30 years ago44.7651.6696.34
31-40 years ago22.1940.0662.05
41-50 years ago14.21134.8748.96
over 50 years ago52.1690.24142.33
total689.81534.211224.10
© WSL, Swiss National Forest Inventory, 19.06.2020 #849406/315737
NFI2
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
state1993/95
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 ago34.640.47135.04
11-20 years ago7.8140.6588.414
21-30 years ago1.8330.21002.031
31-40 years ago1.0440.0.1.044
41-50 years ago0.21000.4710.658
over 50 years ago0.6570.21000.850
total46.321.83348.12
AIn/a0.0.0.0.0.0.
less than 10 years ago0.4681.1381.531
11-20 years ago0.9421.0431.927
21-30 years ago0.6580.5571.139
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.21000.471
over 50 years ago0.21000.0.0.2100
total2.3252.8205.19
ARn/a0.0.0.0.0.0.
less than 10 years ago2.9221.2384.117
11-20 years ago1.5351.0392.525
21-30 years ago0.5670.5551.044
31-40 years ago0.0.0.21000.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4730.0.0.473
total5.3132.8208.16
BEn/a1.0450.21001.241
less than 10 years ago50.4536.8787.24
11-20 years ago21.3921.5942.86
21-30 years ago6.0189.21415.211
31-40 years ago2.7274.9207.616
41-50 years ago1.4382.0323.424
over 50 years ago4.8205.61910.414
total87.7480.24167.91
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago8.2131.6379.911
11-20 years ago5.5171.7347.114
21-30 years ago0.9510.4711.341
31-40 years ago0.9500.4711.341
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.0.0.3100
total16.164.12120.23
FRn/a0.21000.0.0.2100
less than 10 years ago14.7105.61820.38
11-20 years ago6.3173.5239.813
21-30 years ago2.2313.2215.418
31-40 years ago1.6350.4722.032
41-50 years ago0.8500.7581.538
over 50 years ago1.3411.2412.529
total27.1514.6941.73
GEn/a0.41000.0.0.4100
less than 10 years ago1.2500.0.1.250
11-20 years ago0.0.0.0.0.0.
21-30 years ago0.41000.0.0.4100
31-40 years ago0.41000.0.0.4100
41-50 years ago1.2500.0.1.250
over 50 years ago0.0.0.0.0.0.
total3.520.0.3.52
GLn/a0.21000.0.0.2100
less than 10 years ago2.0313.2235.217
11-20 years ago1.9292.1294.019
21-30 years ago0.4711.0441.437
31-40 years ago0.4711.2401.634
41-50 years ago0.0.0.6570.657
over 50 years ago0.8501.1401.931
total5.7179.21114.96
GRn/a1.2411.4382.628
less than 10 years ago18.51029.0847.66
11-20 years ago14.01121.6935.67
21-30 years ago6.21810.11316.311
31-40 years ago4.3219.71414.011
41-50 years ago3.1266.91710.014
over 50 years ago16.71020.1936.97
total64.1598.83162.92
JUn/a0.4710.0.0.471
less than 10 years ago9.8124.32014.110
11-20 years ago8.2143.22311.511
21-30 years ago2.3281.6353.921
31-40 years ago1.0440.6571.635
41-50 years ago0.21000.6580.850
over 50 years ago0.21001.4371.635
total22.1611.61133.73
LUn/a0.21000.0.0.2100
less than 10 years ago17.283.12520.27
11-20 years ago10.6122.62713.210
21-30 years ago3.4241.1404.620
31-40 years ago0.6570.21000.850
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.5370.6582.131
total33.547.61541.22
NEn/a0.21000.0.0.2100
less than 10 years ago16.973.32320.26
11-20 years ago5.1190.21005.218
21-30 years ago1.4380.0.1.438
31-40 years ago0.4710.0.0.471
41-50 years ago0.31000.21000.572
over 50 years ago0.0.0.4720.472
total24.254.12028.33
NWn/a0.0.0.0.0.0.
less than 10 years ago1.8332.4284.219
11-20 years ago0.8560.7591.539
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.4670.552
over 50 years ago1.4390.31001.736
total4.3183.7208.08
OWn/a0.21000.0.0.2100
less than 10 years ago3.6223.3236.914
11-20 years ago2.3271.8334.119
21-30 years ago1.0451.0452.031
31-40 years ago0.6570.9491.537
41-50 years ago0.4710.7571.144
over 50 years ago1.8331.6333.422
total9.9119.31119.14
SGn/a0.7580.21000.950
less than 10 years ago11.61211.11222.68
11-20 years ago6.1179.11415.210
21-30 years ago1.0453.6234.721
31-40 years ago0.4712.3302.728
41-50 years ago1.1411.4382.627
over 50 years ago2.2313.7245.918
total23.1831.4654.53
SHn/a0.0.0.0.0.0.
less than 10 years ago7.7110.0.7.711
11-20 years ago3.8200.21004.019
21-30 years ago0.0.0.21000.2100
31-40 years ago0.21000.0.0.2100
41-50 years ago0.21000.0.0.2100
over 50 years ago0.0.0.0.0.0.
total11.940.46912.33
SOn/a0.0.0.0.0.0.
less than 10 years ago18.971.04519.97
11-20 years ago7.7141.0458.713
21-30 years ago1.2360.21001.433
31-40 years ago0.8510.5701.341
41-50 years ago0.0.0.21000.2100
over 50 years ago0.6590.21000.850
total29.333.12532.32
SZn/a0.0.0.0.0.0.
less than 10 years ago6.8154.52011.211
11-20 years ago2.6273.6226.217
21-30 years ago1.6351.3372.925
31-40 years ago1.0451.6342.627
41-50 years ago0.8501.0451.833
over 50 years ago1.5351.2412.726
total14.3913.2927.54
TGn/a0.11000.0.0.1100
less than 10 years ago11.392.02813.47
11-20 years ago5.0170.4735.316
21-30 years ago0.7520.0.0.752
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3720.0.0.372
total17.552.42619.93
TIn/a0.21000.8501.045
less than 10 years ago3.1268.71511.813
11-20 years ago2.9268.91511.813
21-30 years ago1.6358.91410.613
31-40 years ago2.4298.81511.213
41-50 years ago2.03214.01116.010
over 50 years ago8.51539.3647.85
total20.7989.43110.12
URn/a0.4710.0.0.471
less than 10 years ago1.8313.7215.516
11-20 years ago0.7491.2391.930
21-30 years ago1.2401.4372.626
31-40 years ago0.0.0.6560.656
41-50 years ago0.4720.21000.658
over 50 years ago1.5341.8323.322
total6.0158.81114.85
VDn/a0.8500.0.0.850
less than 10 years ago37.268.81446.05
11-20 years ago16.1103.82219.99
21-30 years ago9.6142.32911.912
31-40 years ago2.8261.7334.521
41-50 years ago1.6351.6353.125
over 50 years ago5.2192.9258.115
total73.3321.1894.52
VSn/a0.8500.6581.438
less than 10 years ago6.51715.71122.29
11-20 years ago4.82011.21216.010
21-30 years ago4.02211.21315.211
31-40 years ago2.72711.01313.811
41-50 years ago2.0318.21510.213
over 50 years ago7.91619.2927.28
total28.8777.13105.92
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.3241.5293.815
11-20 years ago0.4720.8471.139
21-30 years ago0.0.0.4670.467
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
total2.9192.6185.57
ZHn/a0.0.0.0.0.0.
less than 10 years ago36.041.24137.24
11-20 years ago8.8140.21009.014
21-30 years ago2.6280.0.2.628
31-40 years ago0.7570.21000.850
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.0.0.470
total48.421.63550.01
Switzerlandn/a7.1173.22510.314
less than 10 years ago325.32153.73479.02
11-20 years ago145.33101.84247.03
21-30 years ago50.7658.36109.04
31-40 years ago25.0945.1670.15
41-50 years ago16.31139.2755.46
over 50 years ago58.46100.84159.23
total628.11502.011130.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #849407/315738
NFI2
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: terrestrial grid NFI2
state1993/95
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a2.1280.0.2.128
less than 10 years ago33.640.47133.94
11-20 years ago7.1140.5587.614
21-30 years ago1.6330.21001.831
31-40 years ago0.9440.0.0.944
41-50 years ago0.21000.4710.558
over 50 years ago0.6570.21000.750
total46.021.63347.62
AIn/a0.21000.3710.557
less than 10 years ago0.5551.1351.627
11-20 years ago0.8430.8441.629
21-30 years ago0.5580.4560.939
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.21000.21000.471
over 50 years ago0.21000.0.0.2100
total2.3232.8185.09
ARn/a0.4740.11000.560
less than 10 years ago2.5231.6294.116
11-20 years ago1.3360.9402.226
21-30 years ago0.5670.4550.945
31-40 years ago0.0.0.11000.1100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4740.0.0.474
total5.0123.1188.16
BEn/a5.6185.41811.012
less than 10 years ago50.3535.4685.73
11-20 years ago18.9919.2938.06
21-30 years ago5.3188.21413.511
31-40 years ago2.5274.3206.816
41-50 years ago1.2381.8323.024
over 50 years ago4.3205.0199.314
total88.2379.24167.41
BL/BSn/a0.6570.0.0.657
less than 10 years ago8.5121.93210.410
11-20 years ago4.9181.5346.415
21-30 years ago0.8510.4711.241
31-40 years ago0.9500.3711.241
41-50 years ago0.21000.0.0.2100
over 50 years ago0.31000.0.0.3100
total16.264.12020.23
FRn/a2.0300.8452.825
less than 10 years ago14.595.41720.07
11-20 years ago5.6173.1238.813
21-30 years ago2.0312.9224.818
31-40 years ago1.4350.4721.832
41-50 years ago0.7500.6581.438
over 50 years ago1.2411.1412.229
total27.4514.3941.73
GEn/a0.8530.0.0.853
less than 10 years ago0.8530.0.0.853
11-20 years ago0.0.0.0.0.0.
21-30 years ago0.31000.0.0.3100
31-40 years ago0.31000.0.0.3100
41-50 years ago0.8530.0.0.853
over 50 years ago0.0.0.0.0.0.
total2.8150.0.2.815
GLn/a0.5580.7501.237
less than 10 years ago2.5253.4215.815
11-20 years ago1.7301.9293.619
21-30 years ago0.4710.9441.338
31-40 years ago0.4721.0411.435
41-50 years ago0.0.0.5580.558
over 50 years ago0.7501.0411.731
total6.0159.41015.56
GRn/a6.1178.71414.810
less than 10 years ago18.1929.7747.95
11-20 years ago12.51119.1931.67
21-30 years ago5.5188.91414.411
31-40 years ago3.9218.61412.411
41-50 years ago2.7266.1178.814
over 50 years ago14.91117.7932.67
total63.7498.73162.52
JUn/a1.3351.0402.426
less than 10 years ago9.5124.21913.89
11-20 years ago7.4142.92310.211
21-30 years ago2.1281.4353.522
31-40 years ago0.9440.5581.435
41-50 years ago0.21000.5580.750
over 50 years ago0.21001.2371.435
total21.5611.81033.32
LUn/a2.7240.21002.923
less than 10 years ago17.482.72520.17
11-20 years ago9.5122.32711.811
21-30 years ago3.1241.0414.120
31-40 years ago0.5580.21000.750
41-50 years ago0.0.0.0.0.0.
over 50 years ago1.4370.5581.931
total34.646.91541.42
NEn/a1.1410.11001.238
less than 10 years ago16.673.22219.86
11-20 years ago4.5190.11004.618
21-30 years ago1.3380.0.1.338
31-40 years ago0.3710.0.0.371
41-50 years ago0.21000.21000.472
over 50 years ago0.0.0.3710.371
total24.044.01927.93
NWn/a0.4720.21000.657
less than 10 years ago1.8312.5254.317
11-20 years ago0.7560.6591.339
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.11000.3680.453
over 50 years ago1.3400.21001.536
total4.3173.8188.17
OWn/a1.1401.1412.228
less than 10 years ago3.4213.1226.514
11-20 years ago2.0261.6333.620
21-30 years ago0.9450.9451.831
31-40 years ago0.5570.8491.337
41-50 years ago0.4710.6580.944
over 50 years ago1.6331.5333.122
total10.0119.51019.43
SGn/a1.5332.5254.120
less than 10 years ago11.71111.51123.27
11-20 years ago5.5188.01413.510
21-30 years ago0.9453.2234.121
31-40 years ago0.4712.0302.328
41-50 years ago1.0411.3382.328
over 50 years ago1.9313.2245.118
total22.9831.6554.63
SHn/a0.4700.21000.657
less than 10 years ago7.6100.0.7.610
11-20 years ago3.4210.21003.620
21-30 years ago0.0.0.21000.2100
31-40 years ago0.21000.0.0.2100
41-50 years ago0.21000.0.0.2100
over 50 years ago0.0.0.0.0.0.
total11.830.55612.42
SOn/a1.8300.4712.227
less than 10 years ago18.470.94519.36
11-20 years ago6.8150.8457.614
21-30 years ago1.1360.11001.334
31-40 years ago0.7510.4701.241
41-50 years ago0.0.0.21000.2100
over 50 years ago0.5590.21000.750
total29.433.12332.52
SZn/a1.4351.2372.625
less than 10 years ago6.4154.61811.010
11-20 years ago2.3283.3235.617
21-30 years ago1.4351.2382.625
31-40 years ago0.9451.4352.327
41-50 years ago0.7500.8451.533
over 50 years ago1.3351.1412.426
total14.5913.5928.04
TGn/a0.5490.0.0.549
less than 10 years ago11.382.02813.37
11-20 years ago4.6170.3745.016
21-30 years ago0.7530.0.0.753
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3730.0.0.373
total17.342.32519.73
TIn/a2.4267.81510.313
less than 10 years ago2.9259.11412.012
11-20 years ago2.6268.21510.813
21-30 years ago1.5357.9159.413
31-40 years ago2.1297.91510.013
41-50 years ago1.83212.51114.311
over 50 years ago7.61535.2642.85
total21.0988.63109.62
URn/a1.4350.7492.028
less than 10 years ago2.1263.5205.614
11-20 years ago0.6491.0391.630
21-30 years ago1.0401.2372.226
31-40 years ago0.0.0.5570.557
41-50 years ago0.3710.21000.558
over 50 years ago1.3341.6322.823
total6.8138.61015.45
VDn/a4.8192.3267.215
less than 10 years ago36.868.21445.05
11-20 years ago14.2103.52217.79
21-30 years ago8.4142.02910.412
31-40 years ago2.5261.5334.021
41-50 years ago1.4351.4352.825
over 50 years ago4.6192.5267.115
total72.8321.4894.22
VSn/a3.7227.81411.512
less than 10 years ago6.51615.81022.38
11-20 years ago4.22010.01314.210
21-30 years ago3.5229.91313.411
31-40 years ago2.4279.81312.211
41-50 years ago1.8317.2159.013
over 50 years ago6.91617.0924.08
total29.0777.53106.52
ZGn/a0.0.0.21000.2100
less than 10 years ago2.6201.3303.913
11-20 years ago0.3730.7471.039
21-30 years ago0.0.0.3680.368
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
total3.1172.6195.76
ZHn/a2.7250.0.2.725
less than 10 years ago34.741.23735.94
11-20 years ago7.5140.21007.714
21-30 years ago2.1280.0.2.128
31-40 years ago0.5570.21000.750
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.3700.0.0.370
total47.921.63349.41
Switzerlandn/a45.5641.7687.24
less than 10 years ago321.12152.73473.81
11-20 years ago128.8390.54219.43
21-30 years ago44.7651.6696.34
31-40 years ago22.1940.0662.05
41-50 years ago14.21134.6748.86
over 50 years ago51.9689.54141.43
total628.41500.511128.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #849408/315739
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: accessible forest without shrub 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 ago54.0539.3693.33
11-20 years ago13.61215.71129.38
21-30 years ago8.6159.31417.910
31-40 years ago4.7205.51910.213
41-50 years ago1.2414.8206.018
over 50 years ago9.0156.71715.711
total91.1481.24172.31
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 ago0.5710.0.0.571
total16.364.12120.43
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 ago2.0311.3413.324
total27.2514.6941.72
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 ago0.41000.0.0.4100
total3.750.0.3.75
GLless than 10 years ago1.9313.3225.317
11-20 years ago1.4371.5342.924
21-30 years ago0.9421.4372.326
31-40 years ago0.6580.6571.240
41-50 years ago0.4710.9451.337
over 50 years ago1.0441.5352.527
total6.2169.21115.46
GRless than 10 years ago19.21024.9844.16
11-20 years ago11.91320.9932.97
21-30 years ago10.81314.51125.48
31-40 years ago6.0187.61613.612
41-50 years ago2.9264.9207.816
over 50 years ago21.4930.7752.15
total72.44103.43175.82
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 ago2.3300.6582.826
41-50 years ago0.4710.21000.658
over 50 years ago1.5370.6582.131
total33.547.61541.22
NEless than 10 years ago17.772.82520.56
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
total24.554.12028.63
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 ago1.2440.6571.834
total4.3184.0198.27
OWless than 10 years ago4.7195.0179.711
11-20 years ago0.9451.0441.930
21-30 years ago1.0410.0.1.041
31-40 years ago0.9500.5601.438
41-50 years ago0.6570.5711.144
over 50 years ago1.8332.1303.921
total9.9119.21119.04
SGless than 10 years ago13.21113.11126.37
11-20 years ago3.4247.11610.513
21-30 years ago2.1323.6225.718
31-40 years ago0.8502.7273.524
41-50 years ago0.4711.1451.538
over 50 years ago2.9264.4217.416
total22.8832.0654.83
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 ago6.3166.41612.610
11-20 years ago2.6272.2294.819
21-30 years ago1.4381.6353.025
31-40 years ago1.2400.8502.031
41-50 years ago1.0451.1412.230
over 50 years ago3.2241.2414.320
total15.7913.3929.04
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 ago4.12210.41314.611
11-20 years ago3.4246.91710.314
21-30 years ago3.7238.51512.212
31-40 years ago2.0327.3169.214
41-50 years ago1.8338.51510.313
over 50 years ago11.11355.7566.84
total26.2897.33123.42
URless than 10 years ago3.0233.4226.415
11-20 years ago0.8491.9302.825
21-30 years ago0.4710.0.0.471
31-40 years ago0.5571.7322.227
41-50 years ago0.4710.6561.043
over 50 years ago2.0311.4373.523
total7.3149.01016.35
VDless than 10 years ago39.368.41547.65
11-20 years ago16.2105.21921.49
21-30 years ago7.8152.32910.113
31-40 years ago5.5181.4386.916
41-50 years ago2.4291.0453.424
over 50 years ago5.6183.0258.615
total76.8321.2997.92
VSless than 10 years ago8.41515.91024.48
11-20 years ago3.32410.61313.911
21-30 years ago5.1208.01513.112
31-40 years ago3.0266.8169.814
41-50 years ago3.5249.51413.012
over 50 years ago12.01328.7740.76
total35.3779.53114.82
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 ago351.62163.43515.01
11-20 years ago106.8482.45189.23
21-30 years ago70.6558.16128.74
31-40 years ago33.2839.5772.75
41-50 years ago18.91035.3754.26
over 50 years ago78.05140.23218.23
total659.11518.911178.01
© WSL, Swiss National Forest Inventory, 19.06.2020 #849409/315740
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: accessible forest without shrub forest
grid: terrestrial grid NFI3
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 ago36.741.14137.84
11-20 years ago4.8180.0.4.818
21-30 years ago2.1280.0.2.128
31-40 years ago1.2370.21001.434
41-50 years ago0.7500.0.0.750
over 50 years ago0.21000.4700.558
total45.921.63347.52
AIless than 10 years ago0.7441.4292.123
11-20 years ago0.21000.6410.838
21-30 years ago0.8420.4711.235
31-40 years ago0.3690.4580.743
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.21000.657
total2.4233.0165.48
ARless than 10 years ago2.4251.4323.817
11-20 years ago1.3340.6491.927
21-30 years ago1.0410.6501.631
31-40 years ago0.3690.0.0.369
41-50 years ago0.11000.11000.371
over 50 years ago0.4680.0.0.468
total5.5122.8208.36
BEless than 10 years ago51.7539.8691.63
11-20 years ago13.31116.01029.37
21-30 years ago8.21410.41318.79
31-40 years ago5.1185.61710.612
41-50 years ago1.2384.7196.017
over 50 years ago8.2146.71615.011
total87.8383.33171.11
BL/BSless than 10 years ago9.5112.13111.69
11-20 years ago3.1240.7503.821
21-30 years ago2.1290.9443.123
31-40 years ago0.4710.21000.657
41-50 years ago0.7580.21000.950
over 50 years ago0.5710.0.0.571
total16.464.12020.53
FRless than 10 years ago17.886.91524.76
11-20 years ago3.7212.4266.116
21-30 years ago1.6332.1293.621
31-40 years ago0.4711.8292.227
41-50 years ago0.7501.0401.731
over 50 years ago2.0291.1413.123
total26.2515.3841.42
GEless than 10 years ago2.1270.0.2.127
11-20 years ago0.9570.0.0.957
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.41000.0.0.4100
over 50 years ago0.41000.0.0.4100
total3.750.0.3.75
GLless than 10 years ago2.2273.6205.815
11-20 years ago1.4351.5322.923
21-30 years ago0.8431.3372.027
31-40 years ago0.6580.5581.141
41-50 years ago0.4720.8451.238
over 50 years ago1.5331.3352.823
total6.8149.01015.76
GRless than 10 years ago18.2925.0843.26
11-20 years ago12.11219.9932.07
21-30 years ago11.21214.51125.78
31-40 years ago6.0177.61513.611
41-50 years ago3.2244.9198.114
over 50 years ago21.6930.9752.45
total72.24102.73175.01
JUless than 10 years ago12.9105.41718.37
11-20 years ago3.5211.6335.117
21-30 years ago3.9201.8295.816
31-40 years ago1.0410.9441.930
41-50 years ago0.4700.21000.557
over 50 years ago0.7501.0401.731
total22.5610.91133.42
LUless than 10 years ago19.573.22222.76
11-20 years ago5.6161.2376.815
21-30 years ago5.1171.2376.315
31-40 years ago1.9300.7502.625
41-50 years ago0.3710.21000.558
over 50 years ago1.4340.5581.929
total33.847.01440.82
NEless than 10 years ago17.772.92320.66
11-20 years ago4.0200.9454.818
21-30 years ago2.4270.0.2.427
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.5570.750
total24.544.31928.83
NWless than 10 years ago0.8502.4253.321
11-20 years ago1.6340.8502.327
21-30 years ago0.4710.4680.948
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.21000.2100
over 50 years ago1.0440.7471.732
total3.8184.5168.36
OWless than 10 years ago5.1184.91710.010
11-20 years ago0.9451.2402.129
21-30 years ago1.2380.0.1.238
31-40 years ago0.8500.5591.338
41-50 years ago0.6570.4711.044
over 50 years ago1.8312.3274.219
total10.3119.31019.64
SGless than 10 years ago13.01112.71125.77
11-20 years ago3.6226.81510.412
21-30 years ago2.4273.8216.216
31-40 years ago0.7502.6263.323
41-50 years ago0.6581.1411.733
over 50 years ago2.8264.9197.715
total23.0831.9554.93
SHless than 10 years ago7.1110.5577.710
11-20 years ago2.9210.0.2.921
21-30 years ago0.9430.0.0.943
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.6590.0.0.659
over 50 years ago0.21000.0.0.2100
total11.740.55712.23
SOless than 10 years ago17.271.73119.06
11-20 years ago6.1150.21006.215
21-30 years ago4.1200.4724.419
31-40 years ago0.8500.11000.945
41-50 years ago0.5580.4700.945
over 50 years ago0.6590.4710.945
total29.233.22332.42
SZless than 10 years ago6.2166.71513.09
11-20 years ago2.4272.4264.818
21-30 years ago1.5331.6333.223
31-40 years ago1.3370.7502.030
41-50 years ago0.9451.0411.930
over 50 years ago2.8241.1413.920
total15.1913.6928.73
TGless than 10 years ago13.461.33314.86
11-20 years ago2.5240.8443.320
21-30 years ago1.6310.4701.928
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
total17.742.52320.23
TIless than 10 years ago3.92112.01215.910
11-20 years ago3.1246.4179.414
21-30 years ago3.9218.31412.212
31-40 years ago2.1297.4159.513
41-50 years ago1.6338.41410.013
over 50 years ago11.11255.0466.04
total25.6897.42123.02
URless than 10 years ago2.8233.5206.314
11-20 years ago0.7492.0292.724
21-30 years ago0.4710.0.0.471
31-40 years ago0.9441.7312.625
41-50 years ago0.3710.6560.943
over 50 years ago2.1281.5343.621
total7.3139.31016.65
VDless than 10 years ago38.668.31446.85
11-20 years ago14.9105.11819.99
21-30 years ago9.7132.22811.911
31-40 years ago5.4181.5356.916
41-50 years ago2.3281.2383.622
over 50 years ago5.4183.2238.614
total76.3321.5897.82
VSless than 10 years ago8.21415.81024.08
11-20 years ago3.92110.21314.011
21-30 years ago5.3187.71513.011
31-40 years ago3.8227.31511.112
41-50 years ago3.2239.01312.211
over 50 years ago12.41227.9740.36
total36.8677.93114.72
ZGless than 10 years ago1.9262.0243.913
11-20 years ago0.6560.21000.848
21-30 years ago0.7470.4671.139
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
total3.4152.6186.05
ZHless than 10 years ago34.941.14136.04
11-20 years ago7.6140.0.7.614
21-30 years ago3.2230.21003.423
31-40 years ago1.3370.0.1.337
41-50 years ago0.4700.21000.658
over 50 years ago0.0.0.0.0.0.
total47.421.53548.92
Switzerlandless than 10 years ago344.72165.93510.61
11-20 years ago104.4481.34185.73
21-30 years ago74.5558.65133.13
31-40 years ago34.4739.6774.15
41-50 years ago19.21034.7753.96
over 50 years ago77.95139.63217.52
total655.21519.711174.90
© WSL, Swiss National Forest Inventory, 19.06.2020 #849410/315741
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: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago36.341.24137.54
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
total44.921.83346.72
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 ago0.21000.21000.471
total2.3252.8205.19
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 ago52.4537.7790.13
11-20 years ago12.41214.91127.28
21-30 years ago8.4159.31417.710
31-40 years ago4.1225.3199.414
41-50 years ago0.8504.4215.219
over 50 years ago5.4196.01811.413
total83.5477.64161.11
BL/BSless than 10 years ago8.9122.03310.910
11-20 years ago3.0250.4713.423
21-30 years ago2.1301.0443.124
31-40 years ago0.4710.21000.757
41-50 years ago0.8570.21000.950
over 50 years ago0.5710.0.0.571
total15.763.92219.64
FRless than 10 years ago17.986.51624.46
11-20 years ago3.5231.7335.218
21-30 years ago1.4381.9313.324
31-40 years ago0.4731.8312.228
41-50 years ago0.9501.0401.931
over 50 years ago1.8330.9502.827
total25.9513.81039.73
GEless than 10 years ago2.0320.0.2.032
11-20 years ago0.8660.0.0.866
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 ago0.41000.0.0.4100
total3.1130.0.3.113
GLless than 10 years ago1.9313.3225.317
11-20 years ago0.8501.3372.129
21-30 years ago0.9421.4372.326
31-40 years ago0.6580.6571.240
41-50 years ago0.4710.9451.337
over 50 years ago0.21001.3371.535
total4.9188.91113.87
GRless than 10 years ago16.81022.5939.36
11-20 years ago9.31419.7929.08
21-30 years ago7.41611.41318.810
31-40 years ago3.6237.61611.113
41-50 years ago1.9324.4216.417
over 50 years ago15.21124.8839.96
total54.2590.33144.52
JUless than 10 years ago12.6105.71718.37
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 ago0.0.0.9440.944
total21.3611.41132.83
LUless than 10 years ago18.883.52322.27
11-20 years ago5.6181.4376.916
21-30 years ago4.0211.4375.518
31-40 years ago2.1310.6582.727
41-50 years ago0.4710.21000.658
over 50 years ago1.1440.4711.537
total31.947.41539.43
NEless than 10 years ago17.372.62619.96
11-20 years ago3.3240.9454.220
21-30 years ago2.5290.0.2.529
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.3710.660
total23.453.92127.33
NWless than 10 years ago0.7592.0312.726
11-20 years ago1.9340.9502.726
21-30 years ago0.31000.31000.567
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.7590.6571.339
total3.5213.7207.29
OWless than 10 years ago4.3204.9189.211
11-20 years ago0.9451.0441.930
21-30 years ago1.0410.0.1.041
31-40 years ago0.9500.5601.438
41-50 years ago0.4700.5710.949
over 50 years ago1.6352.1303.722
total9.1129.01118.14
SGless than 10 years ago12.01212.51224.57
11-20 years ago3.4246.2179.613
21-30 years ago1.4383.4234.819
31-40 years ago0.6582.5293.126
41-50 years ago0.4711.1451.538
over 50 years ago2.3302.9265.319
total20.1928.7648.84
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 ago17.371.63518.87
11-20 years ago6.2160.0.6.216
21-30 years ago3.4240.4723.823
31-40 years ago0.7580.21000.851
41-50 years ago0.6590.5701.145
over 50 years ago0.4720.4720.851
total28.533.12531.62
SZless than 10 years ago5.9175.71711.611
11-20 years ago1.6352.2293.822
21-30 years ago1.4381.6353.025
31-40 years ago1.2400.8502.031
41-50 years ago1.0450.7501.833
over 50 years ago2.3281.0453.323
total13.51012.01025.54
TGless than 10 years ago13.271.23514.46
11-20 years ago2.2270.9453.222
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 ago0.0.0.0.0.0.
total17.252.42619.63
TIless than 10 years ago4.0228.81512.812
11-20 years ago1.5385.2206.717
21-30 years ago1.4385.4196.817
31-40 years ago0.8505.9186.717
41-50 years ago1.4387.7159.214
over 50 years ago7.31650.5557.84
total16.31083.6399.92
URless than 10 years ago2.1293.2235.317
11-20 years ago0.6571.9302.626
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.5571.2391.732
41-50 years ago0.4710.4690.849
over 50 years ago1.2401.4372.626
total4.8188.11112.96
VDless than 10 years ago37.068.21545.25
11-20 years ago13.4114.82018.210
21-30 years ago6.2172.1308.315
31-40 years ago4.7201.4386.117
41-50 years ago2.0310.8502.827
over 50 years ago4.2213.0257.116
total67.5320.2987.72
VSless than 10 years ago6.41715.51121.99
11-20 years ago2.72710.01312.712
21-30 years ago2.4296.2178.615
31-40 years ago1.2416.2177.416
41-50 years ago2.2309.31411.512
over 50 years ago9.61427.4736.96
total24.5874.5399.02
ZGless than 10 years ago2.0262.1244.113
11-20 years ago0.4710.21000.657
21-30 years ago0.21000.21000.471
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
total2.9192.5205.48
ZHless than 10 years ago34.841.24136.04
11-20 years ago7.6150.0.7.615
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.
total47.121.63548.82
Switzerlandless than 10 years ago335.12155.03490.11
11-20 years ago93.7476.55170.13
21-30 years ago58.4649.26107.54
31-40 years ago25.6936.4762.06
41-50 years ago15.31232.7848.06
over 50 years ago55.56124.63180.13
total583.41474.411057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #849411/315742
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: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago37.141.24138.34
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
total45.721.83347.52
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 ago53.4538.3791.73
11-20 years ago13.21215.71128.98
21-30 years ago8.6159.31417.910
31-40 years ago4.5215.3199.814
41-50 years ago1.2414.6215.818
over 50 years ago8.4156.41714.911
total89.3479.64168.91
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 ago0.5710.0.0.571
total16.364.12120.43
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 ago0.4731.8312.228
41-50 years ago0.9501.0401.931
over 50 years ago1.8331.3413.125
total27.0514.4941.43
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 ago0.41000.0.0.4100
total3.750.0.3.75
GLless than 10 years ago1.9313.3225.317
11-20 years ago1.2401.5342.625
21-30 years ago0.9421.4372.326
31-40 years ago0.6580.6571.240
41-50 years ago0.4710.9451.337
over 50 years ago1.0441.5352.527
total6.0169.21115.26
GRless than 10 years ago19.01024.5843.56
11-20 years ago11.71320.9932.77
21-30 years ago10.61313.91124.68
31-40 years ago5.6197.61613.212
41-50 years ago2.7274.9207.616
over 50 years ago20.01029.9850.06
total69.85101.73171.52
JUless than 10 years ago12.9105.71718.67
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
total21.9611.41133.43
LUless than 10 years ago19.083.52322.57
11-20 years ago5.6181.4376.916
21-30 years ago4.0211.4375.518
31-40 years ago2.3300.6582.826
41-50 years ago0.4710.21000.658
over 50 years ago1.5370.6582.131
total32.847.61540.42
NEless than 10 years ago17.572.62620.16
11-20 years ago3.7220.9454.619
21-30 years ago2.5290.0.2.529
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.3710.660
total24.153.92128.03
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 ago1.2440.6571.834
total4.3184.0198.27
OWless than 10 years ago4.7195.0179.711
11-20 years ago0.9451.0441.930
21-30 years ago1.0410.0.1.041
31-40 years ago0.9500.5601.438
41-50 years ago0.6570.5711.144
over 50 years ago1.8332.1303.921
total9.9119.21119.04
SGless than 10 years ago12.81112.71125.57
11-20 years ago3.4246.61610.013
21-30 years ago2.1323.6225.718
31-40 years ago0.8502.7273.524
41-50 years ago0.4711.1451.538
over 50 years ago2.9264.1227.017
total22.4830.9653.33
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 ago17.471.63519.07
11-20 years ago6.2160.0.6.216
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
total29.033.12532.12
SZless than 10 years ago6.1176.41612.410
11-20 years ago2.6272.2294.819
21-30 years ago1.4381.6353.025
31-40 years ago1.2400.8502.031
41-50 years ago1.0451.1412.230
over 50 years ago2.9251.2414.121
total15.3913.3928.54
TGless than 10 years ago13.771.23514.96
11-20 years ago2.2270.9453.222
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 ago0.0.0.0.0.0.
total17.742.42620.12
TIless than 10 years ago4.02210.41314.411
11-20 years ago3.2256.91710.114
21-30 years ago3.7238.11611.813
31-40 years ago2.0327.3169.214
41-50 years ago1.8338.51510.313
over 50 years ago11.01354.5565.44
total25.6895.73121.32
URless than 10 years ago2.6253.4226.015
11-20 years ago0.8491.9302.825
21-30 years ago0.4710.0.0.471
31-40 years ago0.5571.7322.227
41-50 years ago0.4710.6561.043
over 50 years ago2.0311.4373.523
total6.8159.01015.86
VDless than 10 years ago39.168.21547.25
11-20 years ago15.4115.21920.69
21-30 years ago7.4162.3299.713
31-40 years ago5.5181.4386.916
41-50 years ago2.4290.8503.225
over 50 years ago5.0203.0258.015
total74.7320.8995.62
VSless than 10 years ago8.41515.91024.48
11-20 years ago3.32410.61313.911
21-30 years ago5.1208.01513.112
31-40 years ago2.6286.8169.414
41-50 years ago3.3259.51412.812
over 50 years ago11.61328.7740.36
total34.3779.53113.82
ZGless than 10 years ago2.0262.1244.113
11-20 years ago0.6560.21000.848
21-30 years ago0.4720.21000.659
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
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 ago348.12161.23509.31
11-20 years ago104.6481.85186.43
21-30 years ago69.8556.96126.74
31-40 years ago32.2839.1771.35
41-50 years ago18.51034.9753.46
over 50 years ago74.25137.73211.93
total647.41511.711159.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #849412/315743
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: accessible 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 ago54.2539.3693.53
11-20 years ago13.61215.71129.38
21-30 years ago8.8159.31418.110
31-40 years ago5.5195.51911.013
41-50 years ago1.6354.8206.417
over 50 years ago11.2136.71717.910
total94.9381.24176.11
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 ago0.5710.0.0.571
total16.364.12120.43
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 ago2.0311.5383.524
total27.2514.8941.93
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 ago0.41000.0.0.4100
total3.750.0.3.75
GLless than 10 years ago2.1303.3225.517
11-20 years ago2.0311.5343.522
21-30 years ago1.3361.4372.725
31-40 years ago0.8500.6571.437
41-50 years ago0.8500.9451.732
over 50 years ago2.5261.5354.020
total9.5129.21118.75
GRless than 10 years ago19.21024.9844.16
11-20 years ago12.51221.1933.67
21-30 years ago12.51215.11127.68
31-40 years ago9.6147.81517.410
41-50 years ago7.4165.61813.012
over 50 years ago32.5731.5764.05
total93.74106.03199.72
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 ago2.3300.6582.826
41-50 years ago0.4710.21000.658
over 50 years ago1.7350.6582.330
total33.747.61541.42
NEless than 10 years ago17.772.82520.56
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
total24.554.12028.63
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 ago1.2440.6571.834
total4.3184.0198.27
OWless than 10 years ago4.7195.0179.711
11-20 years ago1.1411.0442.129
21-30 years ago1.0410.0.1.041
31-40 years ago0.9500.5601.438
41-50 years ago0.6570.5711.144
over 50 years ago2.0312.1304.120
total10.3119.21119.44
SGless than 10 years ago13.21113.11126.37
11-20 years ago3.4247.31610.713
21-30 years ago2.5293.6226.117
31-40 years ago0.8502.7273.524
41-50 years ago0.4711.1451.538
over 50 years ago4.6214.4219.015
total24.8832.3657.13
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 ago6.3166.41612.610
11-20 years ago2.6272.2294.819
21-30 years ago1.4381.6353.025
31-40 years ago1.2400.8502.031
41-50 years ago1.0451.1412.230
over 50 years ago3.2241.2414.320
total15.7913.3929.04
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 ago4.72010.61315.311
11-20 years ago5.0207.11712.113
21-30 years ago6.1189.51415.611
31-40 years ago3.7238.21512.013
41-50 years ago2.8279.71412.512
over 50 years ago12.31257.8570.14
total34.77102.92137.62
URless than 10 years ago3.0233.4226.415
11-20 years ago1.2402.1293.323
21-30 years ago0.8500.21001.045
31-40 years ago0.5571.7322.227
41-50 years ago1.0450.6561.634
over 50 years ago3.4242.2295.618
total10.01210.11020.16
VDless than 10 years ago39.368.41547.65
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 ago5.8183.0258.815
total77.6321.2998.72
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 ago3.8237.21611.013
41-50 years ago5.3199.51414.811
over 50 years ago13.61229.0742.56
total41.2680.13121.32
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 ago352.82163.63516.41
11-20 years ago110.3483.25193.53
21-30 years ago77.8559.86137.74
31-40 years ago40.4741.1781.55
41-50 years ago27.5937.2764.75
over 50 years ago99.24144.33243.52
total708.11529.211237.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #849413/315745
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: accessible forest
grid: terrestrial grid NFI3
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 ago36.741.14137.84
11-20 years ago4.8180.0.4.818
21-30 years ago2.1280.0.2.128
31-40 years ago1.2370.21001.434
41-50 years ago0.7500.0.0.750
over 50 years ago0.21000.4700.558
total45.921.63347.52
AIless than 10 years ago0.7441.4292.123
11-20 years ago0.21000.6410.838
21-30 years ago0.8420.4711.235
31-40 years ago0.3690.4580.743
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.21000.657
total2.4233.0165.48
ARless than 10 years ago2.4251.4323.817
11-20 years ago1.3340.6491.927
21-30 years ago1.0410.6501.631
31-40 years ago0.3690.0.0.369
41-50 years ago0.11000.11000.371
over 50 years ago0.4680.0.0.468
total5.5122.8208.36
BEless than 10 years ago51.9539.8691.73
11-20 years ago13.51116.01029.57
21-30 years ago8.61410.41319.09
31-40 years ago5.8175.61711.312
41-50 years ago1.6334.7196.316
over 50 years ago10.5136.71617.310
total91.9383.33175.21
BL/BSless than 10 years ago9.5112.13111.69
11-20 years ago3.1240.7503.821
21-30 years ago2.1290.9443.123
31-40 years ago0.4710.21000.657
41-50 years ago0.7580.21000.950
over 50 years ago0.5710.0.0.571
total16.464.12020.53
FRless than 10 years ago17.886.91524.76
11-20 years ago3.7212.4266.116
21-30 years ago1.6332.1293.621
31-40 years ago0.4711.8292.227
41-50 years ago0.7501.0401.731
over 50 years ago2.0291.3383.323
total26.2515.5841.62
GEless than 10 years ago2.1270.0.2.127
11-20 years ago0.9570.0.0.957
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.41000.0.0.4100
over 50 years ago0.41000.0.0.4100
total3.750.0.3.75
GLless than 10 years ago2.4263.6206.015
11-20 years ago1.9301.5323.421
21-30 years ago1.4331.3372.724
31-40 years ago0.7500.5581.338
41-50 years ago0.7500.8451.533
over 50 years ago2.9231.5334.418
total10.1119.11019.25
GRless than 10 years ago18.2925.0843.26
11-20 years ago12.81220.1932.97
21-30 years ago12.81215.01027.88
31-40 years ago9.8137.81517.510
41-50 years ago7.4155.61713.011
over 50 years ago32.4732.1764.55
total93.44105.63199.01
JUless than 10 years ago12.9105.41718.37
11-20 years ago3.5211.6335.117
21-30 years ago3.9201.8295.816
31-40 years ago1.0410.9441.930
41-50 years ago0.4700.21000.557
over 50 years ago0.7501.0401.731
total22.5610.91133.42
LUless than 10 years ago19.573.22222.76
11-20 years ago5.6161.2376.815
21-30 years ago5.1171.2376.315
31-40 years ago1.9300.7502.625
41-50 years ago0.3710.21000.558
over 50 years ago1.8310.5582.327
total34.247.01441.22
NEless than 10 years ago17.772.92320.66
11-20 years ago4.0200.9454.818
21-30 years ago2.4270.0.2.427
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.5570.750
total24.544.31928.83
NWless than 10 years ago0.8502.4253.321
11-20 years ago1.6340.8502.327
21-30 years ago0.4710.4680.948
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.21000.2100
over 50 years ago1.0440.7471.732
total3.8184.5168.36
OWless than 10 years ago5.1184.91710.010
11-20 years ago1.0411.2402.228
21-30 years ago1.2380.0.1.238
31-40 years ago0.8500.5591.338
41-50 years ago0.6570.4711.044
over 50 years ago2.0302.3274.319
total10.7119.31020.04
SGless than 10 years ago13.01112.71125.77
11-20 years ago3.6227.01510.612
21-30 years ago2.7263.8216.516
31-40 years ago0.7502.6263.323
41-50 years ago0.6581.1411.733
over 50 years ago4.4204.9199.313
total24.9732.1557.13
SHless than 10 years ago7.1110.5577.710
11-20 years ago2.9210.0.2.921
21-30 years ago0.9430.0.0.943
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.6590.0.0.659
over 50 years ago0.21000.0.0.2100
total11.740.55712.23
SOless than 10 years ago17.271.73119.06
11-20 years ago6.1150.21006.215
21-30 years ago4.1200.4724.419
31-40 years ago0.8500.11000.945
41-50 years ago0.5580.4700.945
over 50 years ago0.6590.4710.945
total29.233.22332.42
SZless than 10 years ago6.2166.71513.09
11-20 years ago2.4272.4264.818
21-30 years ago1.5331.6333.223
31-40 years ago1.3370.7502.030
41-50 years ago0.9451.0411.930
over 50 years ago2.8241.1413.920
total15.1913.6928.73
TGless than 10 years ago13.461.33314.86
11-20 years ago2.5240.8443.320
21-30 years ago1.6310.4701.928
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
total17.742.52320.23
TIless than 10 years ago4.52012.11216.610
11-20 years ago4.7196.51611.212
21-30 years ago6.2179.41415.510
31-40 years ago3.7228.31412.012
41-50 years ago2.5279.51312.012
over 50 years ago12.11257.1469.24
total33.67102.82136.52
URless than 10 years ago2.8233.5206.314
11-20 years ago1.1402.2273.222
21-30 years ago1.1410.21001.238
31-40 years ago1.1411.7312.824
41-50 years ago1.0410.6561.632
over 50 years ago3.3222.2285.517
total10.41110.31020.75
VDless than 10 years ago38.668.31446.85
11-20 years ago15.1105.11820.19
21-30 years ago10.0132.22812.311
31-40 years ago5.4181.5356.916
41-50 years ago2.3281.2383.622
over 50 years ago5.8173.2239.014
total77.2321.5898.62
VSless than 10 years ago8.41415.81024.18
11-20 years ago3.92110.21314.011
21-30 years ago6.8167.71514.511
31-40 years ago4.7197.71512.412
41-50 years ago4.9199.01313.911
over 50 years ago14.21128.1742.35
total42.7678.53121.22
ZGless than 10 years ago1.9262.0243.913
11-20 years ago0.6560.21000.848
21-30 years ago0.7470.4671.139
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
total3.4152.6186.05
ZHless than 10 years ago34.941.14136.04
11-20 years ago7.6140.0.7.614
21-30 years ago3.2230.21003.423
31-40 years ago1.3370.0.1.337
41-50 years ago0.4700.21000.658
over 50 years ago0.0.0.0.0.0.
total47.421.53548.92
Switzerlandless than 10 years ago345.82166.13511.91
11-20 years ago108.1482.04190.13
21-30 years ago82.3560.45142.73
31-40 years ago41.8641.1682.84
41-50 years ago27.3836.4763.75
over 50 years ago99.04144.23243.22
total704.31530.111234.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #849414/315744
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: accessible forest NFI3/NFI4
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 ago37.141.24138.34
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
total45.721.83347.52
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 ago53.6538.3791.93
11-20 years ago13.21215.71128.98
21-30 years ago8.8159.31418.110
31-40 years ago5.3195.31910.613
41-50 years ago1.6354.6216.218
over 50 years ago10.8136.41717.310
total93.4479.64172.91
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 ago0.5710.0.0.571
total16.364.12120.43
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 ago0.4731.8312.228
41-50 years ago0.9501.0401.931
over 50 years ago1.8331.5383.325
total27.0514.6941.63
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 ago0.41000.0.0.4100
total3.750.0.3.75
GLless than 10 years ago2.1303.3225.517
11-20 years ago1.8331.5343.223
21-30 years ago1.3361.4372.725
31-40 years ago0.8500.6571.437
41-50 years ago0.8500.9451.732
over 50 years ago2.5261.5354.020
total9.3129.21118.55
GRless than 10 years ago19.01024.7843.76
11-20 years ago12.11321.1933.27
21-30 years ago12.31214.61126.88
31-40 years ago9.2157.81517.010
41-50 years ago7.2175.41912.612
over 50 years ago31.3830.7762.05
total91.14104.33195.42
JUless than 10 years ago12.9105.71718.67
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
total21.9611.41133.43
LUless than 10 years ago19.283.52322.67
11-20 years ago5.6181.4376.916
21-30 years ago4.0211.4375.518
31-40 years ago2.3300.6582.826
41-50 years ago0.4710.21000.658
over 50 years ago1.7350.6582.330
total33.147.61540.82
NEless than 10 years ago17.572.62620.16
11-20 years ago3.7220.9454.619
21-30 years ago2.5290.0.2.529
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.3710.660
total24.153.92128.03
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 ago1.2440.6571.834
total4.3184.0198.27
OWless than 10 years ago4.7195.0179.711
11-20 years ago1.1411.0442.129
21-30 years ago1.0410.0.1.041
31-40 years ago0.9500.5601.438
41-50 years ago0.6570.5711.144
over 50 years ago2.0312.1304.120
total10.3119.21119.44
SGless than 10 years ago12.81112.71125.57
11-20 years ago3.4246.81610.313
21-30 years ago2.5293.6226.117
31-40 years ago0.8502.7273.524
41-50 years ago0.4711.1451.538
over 50 years ago4.6214.1228.615
total24.4831.1655.53
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 ago17.471.63519.07
11-20 years ago6.2160.0.6.216
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
total29.033.12532.12
SZless than 10 years ago6.1176.41612.410
11-20 years ago2.6272.2294.819
21-30 years ago1.4381.6353.025
31-40 years ago1.2400.8502.031
41-50 years ago1.0451.1412.230
over 50 years ago2.9251.2414.121
total15.3913.3928.54
TGless than 10 years ago13.771.23514.96
11-20 years ago2.2270.9453.222
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 ago0.0.0.0.0.0.
total17.742.42620.12
TIless than 10 years ago4.62110.61315.111
11-20 years ago4.8207.11711.913
21-30 years ago6.1189.31415.411
31-40 years ago3.7238.21512.013
41-50 years ago2.8279.71412.512
over 50 years ago12.11257.2569.34
total34.17102.12136.22
URless than 10 years ago2.6253.4226.015
11-20 years ago1.2402.1293.323
21-30 years ago0.8500.21001.045
31-40 years ago0.5571.7322.227
41-50 years ago1.0450.6561.634
over 50 years ago3.2242.2295.418
total9.31310.11019.56
VDless than 10 years ago39.168.21547.25
11-20 years ago15.6115.21920.89
21-30 years ago7.8152.32910.113
31-40 years ago5.5181.4386.916
41-50 years ago2.4290.8503.225
over 50 years ago5.4193.0258.415
total75.8320.8996.62
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 ago3.6237.21610.813
41-50 years ago5.1209.51414.611
over 50 years ago13.21229.0742.16
total40.4680.13120.62
ZGless than 10 years ago2.0262.1244.113
11-20 years ago0.6560.21000.848
21-30 years ago0.4720.21000.659
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
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 ago349.52161.63511.11
11-20 years ago108.0482.65190.53
21-30 years ago77.0558.96135.94
31-40 years ago39.6740.7780.35
41-50 years ago27.1936.7763.85
over 50 years ago95.84142.43238.23
total697.01522.811219.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #849415/315746
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 NFI3/NFI4
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 ago37.141.24138.34
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
total45.721.83347.52
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 ago54.2538.7692.93
11-20 years ago13.21215.81129.18
21-30 years ago9.0159.51418.610
31-40 years ago5.5195.31910.813
41-50 years ago1.8335.0206.817
over 50 years ago14.1127.01721.19
total97.8381.44179.21
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 ago0.4731.8312.228
41-50 years ago0.9501.0401.931
over 50 years ago2.7271.5384.222
total27.8514.6942.42
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 ago1.8331.7323.422
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
total9.81210.5920.34
GRless than 10 years ago19.01024.9843.96
11-20 years ago12.11321.1933.27
21-30 years ago12.51215.51128.08
31-40 years ago9.2158.21517.410
41-50 years ago7.6165.41913.012
over 50 years ago34.1733.9767.95
total94.54109.03203.51
JUless than 10 years ago12.9105.71718.67
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
total21.9611.41133.43
LUless than 10 years ago19.283.52322.67
11-20 years ago5.6181.4376.916
21-30 years ago4.0211.4375.518
31-40 years ago2.3300.8503.025
41-50 years ago0.4710.21000.658
over 50 years ago2.3300.6582.926
total33.747.81441.62
NEless than 10 years ago17.572.72520.36
11-20 years ago3.7220.9454.619
21-30 years ago2.5290.0.2.529
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.3710.660
total24.154.02028.23
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 ago2.0312.1304.120
total10.3119.61019.84
SGless than 10 years ago12.81112.91125.77
11-20 years ago3.4247.21610.613
21-30 years ago2.5293.6226.117
31-40 years ago0.8502.9263.723
41-50 years ago0.4711.1451.538
over 50 years ago5.1206.21811.313
total25.0834.0559.03
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 ago17.471.63519.07
11-20 years ago6.2160.0.6.216
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
total29.033.12532.12
SZless than 10 years ago6.1176.51612.610
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 ago3.4241.4374.719
total15.7914.2929.93
TGless than 10 years ago13.771.23514.96
11-20 years ago2.2270.9453.222
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 ago0.0.0.0.0.0.
total17.742.42620.12
TIless than 10 years ago4.62111.01315.511
11-20 years ago5.0207.11712.113
21-30 years ago6.5179.31415.811
31-40 years ago4.1228.61512.812
41-50 years ago3.6239.91413.512
over 50 years ago18.21062.7481.04
total41.96108.72150.61
URless than 10 years ago2.6253.4226.015
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 ago4.5202.8267.315
total11.11110.9922.05
VDless than 10 years ago39.168.41547.45
11-20 years ago15.8105.21921.09
21-30 years ago7.8152.32910.113
31-40 years ago5.5181.4386.916
41-50 years ago2.4290.8503.225
over 50 years ago6.4173.6239.914
total76.9321.6898.52
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 ago3.8237.21611.113
41-50 years ago6.3189.91316.211
over 50 years ago15.41130.7746.15
total44.0682.33126.32
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 ago350.12163.63513.61
11-20 years ago108.4483.85192.23
21-30 years ago78.2560.26138.44
31-40 years ago40.4741.9782.35
41-50 years ago29.7838.3768.05
over 50 years ago116.04157.83273.82
total722.71545.611268.40
© WSL, Swiss National Forest Inventory, 19.06.2020 #849416/315747
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: terrestrial grid NFI3
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 ago36.741.14137.84
11-20 years ago4.8180.0.4.818
21-30 years ago2.1280.0.2.128
31-40 years ago1.2370.21001.434
41-50 years ago0.7500.0.0.750
over 50 years ago0.21000.4700.558
total45.921.63347.52
AIless than 10 years ago0.7441.4292.123
11-20 years ago0.21000.6410.838
21-30 years ago0.8420.4711.235
31-40 years ago0.3690.4580.743
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.4700.21000.657
total2.4233.0165.48
ARless than 10 years ago2.4251.4323.817
11-20 years ago1.3340.6491.927
21-30 years ago1.0410.6501.631
31-40 years ago0.3690.0.0.369
41-50 years ago0.11000.11000.371
over 50 years ago0.4680.0.0.468
total5.5122.8208.36
BEless than 10 years ago52.5540.0692.53
11-20 years ago13.51116.31029.87
21-30 years ago8.91410.61319.69
31-40 years ago6.0175.61711.512
41-50 years ago1.9305.3187.215
over 50 years ago13.9117.41521.49
total96.7385.23181.91
BL/BSless than 10 years ago9.5112.13111.69
11-20 years ago3.1240.7503.821
21-30 years ago2.1290.9443.123
31-40 years ago0.4710.21000.657
41-50 years ago0.7580.21000.950
over 50 years ago0.7580.0.0.758
total16.664.12020.73
FRless than 10 years ago17.886.91524.76
11-20 years ago3.9202.4266.315
21-30 years ago1.6332.1293.621
31-40 years ago0.4711.8292.227
41-50 years ago0.7501.0401.731
over 50 years ago3.1231.3384.419
total27.4515.5842.92
GEless than 10 years ago2.1270.0.2.127
11-20 years ago0.9570.0.0.957
21-30 years ago0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.41000.0.0.4100
over 50 years ago0.5750.0.0.575
total3.960.0.3.96
GLless than 10 years ago2.4263.8206.215
11-20 years ago1.9301.7303.620
21-30 years ago1.4331.3372.724
31-40 years ago0.7500.5581.338
41-50 years ago0.7500.8451.533
over 50 years ago3.4212.5265.816
total10.51010.5921.14
GRless than 10 years ago18.2925.2843.46
11-20 years ago12.81220.1932.97
21-30 years ago12.91115.81028.77
31-40 years ago9.8138.11417.910
41-50 years ago8.0155.61713.611
over 50 years ago34.7734.7769.44
total96.44109.43205.91
JUless than 10 years ago12.9105.41718.37
11-20 years ago3.5211.6335.117
21-30 years ago3.9201.8295.816
31-40 years ago1.0410.9441.930
41-50 years ago0.5570.21000.749
over 50 years ago0.7501.0401.731
total22.6610.91133.62
LUless than 10 years ago19.573.22222.76
11-20 years ago5.6161.2376.815
21-30 years ago5.1171.2376.315
31-40 years ago1.9300.8442.725
41-50 years ago0.3710.21000.558
over 50 years ago2.4260.5583.024
total34.947.11442.02
NEless than 10 years ago17.773.02220.85
11-20 years ago4.0200.9454.818
21-30 years ago2.4270.0.2.427
31-40 years ago0.21000.0.0.2100
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.21000.5570.750
total24.544.41828.93
NWless than 10 years ago0.8502.4253.321
11-20 years ago1.6340.8502.327
21-30 years ago0.4710.4680.948
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.0.0.21000.2100
over 50 years ago1.3370.7472.028
total4.2184.5168.75
OWless than 10 years ago5.1184.91710.010
11-20 years ago1.0411.3372.427
21-30 years ago1.2380.0.1.238
31-40 years ago0.8500.5591.338
41-50 years ago0.6570.6561.240
over 50 years ago2.0302.5264.519
total10.7119.91020.53
SGless than 10 years ago13.01112.91125.97
11-20 years ago3.6227.31510.912
21-30 years ago2.7264.0206.716
31-40 years ago0.7502.8253.523
41-50 years ago0.6581.1411.733
over 50 years ago5.1196.81511.912
total25.6735.0560.62
SHless than 10 years ago7.1110.5577.710
11-20 years ago2.9210.0.2.921
21-30 years ago0.9430.0.0.943
31-40 years ago0.0.0.0.0.0.
41-50 years ago0.6590.0.0.659
over 50 years ago0.21000.0.0.2100
total11.740.55712.23
SOless than 10 years ago17.271.73119.06
11-20 years ago6.1150.21006.215
21-30 years ago4.1200.4724.419
31-40 years ago0.8500.11000.945
41-50 years ago0.5580.4700.945
over 50 years ago0.6590.4710.945
total29.233.22332.42
SZless than 10 years ago6.2167.11413.39
11-20 years ago2.4272.8245.118
21-30 years ago1.5331.6333.223
31-40 years ago1.3370.7502.030
41-50 years ago0.9451.2382.129
over 50 years ago3.2231.3374.519
total15.5814.6830.13
TGless than 10 years ago13.461.33314.86
11-20 years ago2.5240.8443.320
21-30 years ago1.6310.4701.928
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
total17.742.52320.23
TIless than 10 years ago4.52012.51217.010
11-20 years ago4.8196.51611.412
21-30 years ago6.7169.41416.110
31-40 years ago4.1218.61412.712
41-50 years ago3.2239.61312.811
over 50 years ago18.6963.0481.73
total41.96109.72151.61
URless than 10 years ago2.8233.5206.314
11-20 years ago1.1402.2273.222
21-30 years ago1.4350.21001.633
31-40 years ago1.1411.7312.824
41-50 years ago1.0410.7491.831
over 50 years ago4.7182.7257.414
total12.11011.0923.14
VDless than 10 years ago38.668.41447.05
11-20 years ago15.1105.11820.19
21-30 years ago10.0132.22812.311
31-40 years ago5.4181.5356.916
41-50 years ago2.3281.2383.622
over 50 years ago6.8163.82110.612
total78.2322.28100.41
VSless than 10 years ago8.41415.81024.18
11-20 years ago3.92110.21314.011
21-30 years ago6.8167.71514.511
31-40 years ago4.9197.71512.511
41-50 years ago5.9179.61315.510
over 50 years ago16.71030.2746.95
total46.4581.13127.52
ZGless than 10 years ago1.9262.0243.913
11-20 years ago0.6560.21000.848
21-30 years ago0.7470.4671.139
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
total3.4152.6186.05
ZHless than 10 years ago34.941.14136.04
11-20 years ago7.6140.0.7.614
21-30 years ago3.2230.21003.423
31-40 years ago1.3370.0.1.337
41-50 years ago0.4700.21000.658
over 50 years ago0.0.0.0.0.0.
total47.421.53548.92
Switzerlandless than 10 years ago346.32167.93514.21
11-20 years ago108.5483.34191.83
21-30 years ago83.7461.55145.23
31-40 years ago42.5642.1684.64
41-50 years ago30.2838.2768.45
over 50 years ago120.24160.03280.22
total731.31552.911284.20
© WSL, Swiss National Forest Inventory, 19.06.2020 #849417/315748
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 NFI1/NFI2/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 ago34.341.04535.34
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
total44.921.83346.72
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 ago0.21000.4720.658
total2.3252.8205.19
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 ago51.8536.1788.04
11-20 years ago13.71215.41129.28
21-30 years ago5.9189.21415.111
31-40 years ago4.3225.0209.314
41-50 years ago2.7273.8236.517
over 50 years ago5.0208.11513.112
total83.5477.64161.11
BL/BSn/a0.0.0.0.0.0.
less than 10 years ago8.6121.53710.111
11-20 years ago3.5231.1444.620
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
total15.763.92219.64
FRn/a0.0.0.0.0.0.
less than 10 years ago15.396.91522.27
11-20 years ago5.6182.2307.815
21-30 years ago1.4380.7492.230
31-40 years ago1.3411.6332.925
41-50 years ago0.6591.1401.733
over 50 years ago1.7351.3412.926
total25.9513.81039.73
GEn/a0.0.0.0.0.0.
less than 10 years ago2.3250.0.2.325
11-20 years ago0.0.0.0.0.0.
21-30 years ago0.8660.0.0.866
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.
total3.1130.0.3.113
GLn/a0.0.0.0.0.0.
less than 10 years ago1.3372.7254.020
11-20 years ago1.2411.9313.124
21-30 years ago0.8501.1401.931
31-40 years ago0.5550.8491.334
41-50 years ago0.4710.5690.949
over 50 years ago0.7571.9312.627
total4.9188.91113.87
GRn/a0.0.0.0.0.0.
less than 10 years ago14.31117.51031.77
11-20 years ago10.21417.21027.48
21-30 years ago6.61713.91120.59
31-40 years ago5.2199.41414.711
41-50 years ago2.9267.01610.014
over 50 years ago15.01125.3840.26
total54.2590.33144.52
JUn/a0.0.0.0.0.0.
less than 10 years ago12.6105.11817.77
11-20 years ago3.9222.8266.716
21-30 years ago2.1290.9443.124
31-40 years ago1.6350.9422.527
41-50 years ago0.6580.4701.045
over 50 years ago0.6571.3371.931
total21.3611.41132.83
LUn/a0.0.0.0.0.0.
less than 10 years ago20.372.72623.07
11-20 years ago7.1152.92610.012
21-30 years ago1.2400.8492.031
31-40 years ago1.4380.6582.031
41-50 years ago0.9500.21001.144
over 50 years ago1.1440.21001.340
total31.947.41539.43
NEn/a0.0.0.0.0.0.
less than 10 years ago18.173.42221.55
11-20 years ago3.1240.0.3.124
21-30 years ago0.9440.21001.040
31-40 years ago1.0450.0.1.045
41-50 years ago0.0.0.0.0.0.
over 50 years ago0.31000.3710.660
total23.453.92127.33
NWn/a0.0.0.0.0.0.
less than 10 years ago1.3400.9492.230
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 ago0.4720.6571.144
total3.5213.7207.29
OWn/a0.0.0.0.0.0.
less than 10 years ago1.9294.9176.813
11-20 years ago3.0250.8503.921
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 ago1.5382.6274.121
total9.1129.01118.14
SGn/a0.0.0.0.0.0.
less than 10 years ago10.71311.51222.28
11-20 years ago3.9237.11611.113
21-30 years ago2.2302.8264.919
31-40 years ago0.6582.1302.826
41-50 years ago0.4711.7352.231
over 50 years ago2.3303.4245.718
total20.1928.7648.84
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 ago6.0160.4726.416
21-30 years ago1.1410.0.1.141
31-40 years ago1.2410.21001.338
41-50 years ago1.1450.21001.241
over 50 years ago1.0460.9501.933
total28.533.12531.62
SZn/a0.0.0.0.0.0.
less than 10 years ago4.5205.1199.612
11-20 years ago3.0253.1246.116
21-30 years ago1.0441.3382.428
31-40 years ago1.0450.8501.733
41-50 years ago1.0451.0451.931
over 50 years ago3.0250.7503.722
total13.51012.01025.54
TGn/a0.0.0.0.0.0.
less than 10 years ago13.070.94113.97
11-20 years ago2.6260.5593.123
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.
total17.252.42619.63
TIn/a0.0.0.0.0.0.
less than 10 years ago3.4249.21412.712
11-20 years ago2.4295.0207.416
21-30 years ago0.6584.8215.419
31-40 years ago1.2414.4225.619
41-50 years ago1.4387.7169.114
over 50 years ago7.31652.5559.84
total16.31083.6399.92
URn/a0.0.0.0.0.0.
less than 10 years ago1.1403.0244.120
11-20 years ago0.9441.3342.226
21-30 years ago0.6571.2401.832
31-40 years ago0.21000.8491.043
41-50 years ago0.5560.4690.944
over 50 years ago1.4371.4372.825
total4.8188.11112.96
VDn/a0.21000.0.0.2100
less than 10 years ago36.367.81544.15
11-20 years ago13.2123.52316.710
21-30 years ago6.4173.4249.814
31-40 years ago3.6231.1414.720
41-50 years ago3.7231.3385.019
over 50 years ago4.1213.0257.116
total67.5320.2987.72
VSn/a0.0.0.0.0.0.
less than 10 years ago4.62117.41022.19
11-20 years ago3.52310.61314.111
21-30 years ago1.6356.8168.315
31-40 years ago2.0314.5216.517
41-50 years ago1.8336.2178.015
over 50 years ago11.01329.0740.06
total24.5874.5399.02
ZGn/a0.0.0.0.0.0.
less than 10 years ago2.4232.3214.710
11-20 years ago0.21000.11000.472
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 ago0.21000.0.0.2100
total2.9192.5205.48
ZHn/a0.0.0.0.0.0.
less than 10 years ago33.751.34035.04
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
total47.121.63548.82
Switzerlandn/a0.4710.0.0.471
less than 10 years ago318.42144.53462.92
11-20 years ago109.4479.85189.23
21-30 years ago44.6750.1694.74
31-40 years ago30.3833.4863.75
41-50 years ago20.91032.7853.66
over 50 years ago59.56134.03193.53
total583.41474.411057.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #849418/315749
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 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 ago14.71116.21130.97
21-30 years ago6.7179.81416.510
31-40 years ago4.7215.0209.714
41-50 years ago3.9223.8237.716
over 50 years ago10.6148.51519.110
total93.4479.64172.91
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 ago1.7351.9343.524
total27.0514.6941.63
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 ago1.6351.9313.522
21-30 years ago1.2401.3372.527
31-40 years ago1.3370.8492.128
41-50 years ago0.6580.5691.144
over 50 years ago3.1242.1295.218
total9.3129.21118.55
GRn/a0.0.0.0.0.0.
less than 10 years ago15.91120.4936.37
11-20 years ago12.31218.01030.27
21-30 years ago9.61415.21124.88
31-40 years ago10.11412.01222.19
41-50 years ago8.4157.41615.811
over 50 years ago34.9731.3766.25
total91.14104.33195.42
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 ago20.772.72623.46
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 ago1.5380.4711.933
total33.147.61540.82
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 ago1.3380.21001.536
31-40 years ago0.5580.0.0.558
41-50 years ago1.1440.5601.635
over 50 years ago2.1312.6274.719
total10.3119.21119.44
SGn/a0.0.0.0.0.0.
less than 10 years ago11.41211.91223.28
11-20 years ago4.5217.31611.912
21-30 years ago2.2303.0255.119
31-40 years ago1.2412.4293.623
41-50 years ago0.8502.0332.827
over 50 years ago4.3214.5218.915
total24.4831.1655.53
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 ago4.42110.61315.011
11-20 years ago3.2255.9189.215
21-30 years ago3.7237.21710.813
31-40 years ago5.9188.31514.212
41-50 years ago3.6239.81413.312
over 50 years ago13.31260.4473.74
total34.17102.12136.22
URn/a0.0.0.0.0.0.
less than 10 years ago1.5343.5225.017
11-20 years ago1.1401.7312.823
21-30 years ago1.7341.4373.025
31-40 years ago1.2411.1402.428
41-50 years ago0.5560.4690.944
over 50 years ago3.4242.0315.418
total9.31310.11019.56
VDn/a0.21000.0.0.2100
less than 10 years ago39.167.81546.95
11-20 years ago14.4113.72318.110
21-30 years ago7.8153.62311.413
31-40 years ago4.6201.3385.918
41-50 years ago4.5201.3385.818
over 50 years ago5.1193.0258.115
total75.8320.8996.62
VSn/a0.0.0.0.0.0.
less than 10 years ago7.31618.21025.58
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 ago17.11030.4747.55
total40.4680.13120.62
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 ago333.32151.63484.92
11-20 years ago118.4483.95202.23
21-30 years ago56.8655.86112.64
31-40 years ago47.2642.3789.55
41-50 years ago33.8836.5770.25
over 50 years ago107.24152.83260.02
total697.01522.811219.81
© WSL, Swiss National Forest Inventory, 19.06.2020 #849419/315750
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