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NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track30.24.540.55.517.41.614.62.518.33.13.51.116.51.0
road and skidding road47.24.930.45.210.41.34.21.43.31.47.21.512.10.9
road and cable line13.23.312.73.752.32.239.63.554.24.032.42.841.01.3
road and flight path2.81.61.31.38.81.237.53.524.23.546.92.921.81.1
no access intended6.62.415.24.011.11.44.21.4..10.01.88.50.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterroad and skidding track55.92.472.61.822.02.229.16.127.34.17.53.650.51.2
road and skidding road35.12.317.51.511.01.710.94.28.32.516.45.019.71.0
road and cable line4.11.02.80.732.82.523.85.842.34.527.86.114.00.8
road and flight path....9.61.636.26.521.23.726.06.05.60.6
no access intended5.01.17.01.024.72.3..0.80.822.35.710.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track50.72.269.11.719.21.317.82.422.32.54.11.135.20.8
road and skidding road37.52.118.91.510.61.05.71.55.51.48.71.516.30.7
road and cable line5.91.03.90.744.51.736.03.149.03.031.72.526.20.7
road and flight path0.60.30.10.19.11.037.33.122.92.543.62.712.90.6
no access intended5.31.07.91.016.61.23.21.10.40.411.91.89.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162753/149132

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track11.51711.31732.7109.6189.9183.63178.66
road and skidding road18.0148.52019.5132.7351.8447.52158.08
road and cable line5.0263.53198.6526.01029.31033.49195.94
road and flight path1.1580.410016.71424.71113.11648.47104.35
no access intended2.5384.22920.9132.735..10.31840.79
total38.2927.911188.4365.7554.16103.24477.52
outside of perimeterroad and skidding track84.35164.1327.7115.52511.7171.450294.73
road and skidding road53.0739.6913.8162.1413.5313.133115.15
road and cable line6.1246.42341.394.52718.0135.32581.76
road and flight path....12.1176.8229.1195.02632.910
no access intended7.62115.91531.210..0.41004.32959.37
total151.03226.02126.2418.91342.6819.213583.82
totalroad and skidding track95.85175.4360.4715.11421.6125.026373.32
road and skidding road71.0648.1833.4104.8265.32510.618173.14
road and cable line11.2179.919139.9430.5947.4738.88277.63
road and flight path1.1580.410028.71131.5922.11253.47137.25
no access intended10.11820.21352.182.7350.410014.615100.16
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162754/149133

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonconcept of transportation system %± %± %±
AGroad and skidding track..62.74.461.24.4
road and skidding road33.327.332.24.332.24.3
road and cable line......
road and flight path......
no access intended66.727.35.12.06.62.3
total100.0.100.0.100.0.
AIroad and skidding track40.015.8100.0.60.012.9
road and skidding road20.013.0..13.39.0
road and cable line30.014.9..20.010.6
road and flight path10.09.8..6.76.6
no access intended......
total100.0.100.0.100.0.
ARroad and skidding track80.012.753.313.164.09.6
road and skidding road..26.711.616.07.5
road and cable line20.012.920.010.520.08.2
road and flight path......
no access intended......
total100.0.100.0.100.0.
BEroad and skidding track21.02.852.63.138.02.2
road and skidding road22.42.820.42.521.31.9
road and cable line43.43.419.62.530.62.1
road and flight path4.11.40.40.42.10.7
no access intended9.11.97.01.68.01.2
total100.0.100.0.100.0.
BL/BSroad and skidding track50.015.959.88.157.77.2
road and skidding road30.014.634.87.933.87.0
road and cable line10.09.65.43.86.43.6
road and flight path......
no access intended10.09.6..2.12.1
total100.0.100.0.100.0.
FRroad and skidding track24.56.458.56.144.64.7
road and skidding road13.25.112.34.112.73.2
road and cable line44.57.413.84.326.34.2
road and flight path......
no access intended17.85.715.44.516.43.5
total100.0.100.0.100.0.
GEroad and skidding track..100.0.100.0.
road and skidding road......
road and cable line......
road and flight path......
no access intended......
total..100.0.100.0.
GLroad and skidding track......
road and skidding road......
road and cable line65.49.473.311.568.37.3
road and flight path11.56.313.38.912.25.2
no access intended23.18.313.38.919.56.2
total100.0.100.0.100.0.
GRroad and skidding track17.52.430.63.722.62.1
road and skidding road2.81.07.72.14.71.0
road and cable line55.83.139.63.949.62.5
road and flight path21.52.620.23.221.02.0
no access intended2.41.01.91.12.20.7
total100.0.100.0.100.0.
JUroad and skidding track26.78.152.76.643.75.3
road and skidding road60.08.943.86.649.45.4
road and cable line3.33.3..1.21.2
road and flight path......
no access intended10.05.53.52.55.82.5
total100.0.100.0.100.0.
LUroad and skidding track13.67.327.14.424.73.9
road and skidding road..12.63.310.42.7
road and cable line31.810.04.82.19.62.6
road and flight path......
no access intended54.510.755.54.955.34.5
total100.0.100.0.100.0.
NEroad and skidding track21.411.057.75.951.85.5
road and skidding road71.412.136.75.842.45.4
road and cable line......
road and flight path......
no access intended7.16.95.62.75.92.6
total100.0.100.0.100.0.
NWroad and skidding track14.313.5..5.95.8
road and skidding road..10.09.75.95.8
road and cable line42.919.140.015.841.212.2
road and flight path14.313.510.09.711.88.0
no access intended28.617.440.015.835.311.8
total100.0.100.0.100.0.
OWroad and skidding track..4.04.02.02.0
road and skidding road7.75.312.06.69.84.2
road and cable line57.79.843.810.050.97.1
road and flight path23.18.316.17.419.65.6
no access intended11.56.324.18.617.75.4
total100.0.100.0.100.0.
SGroad and skidding track36.95.345.36.940.14.2
road and skidding road17.94.220.85.619.03.4
road and cable line33.35.217.05.227.03.8
road and flight path10.73.417.05.213.12.9
no access intended1.21.2..0.70.7
total100.0.100.0.100.0.
SHroad and skidding track100.0.82.46.483.36.0
road and skidding road..14.76.113.95.8
road and cable line..2.92.92.82.8
road and flight path......
no access intended......
total100.0.100.0.100.0.
SOroad and skidding track33.319.357.15.755.45.5
road and skidding road50.020.529.95.231.35.1
road and cable line..10.43.59.63.3
road and flight path......
no access intended16.715.32.61.83.62.1
total100.0.100.0.100.0.
SZroad and skidding track2.52.56.54.44.22.4
road and skidding road17.56.09.75.314.14.2
road and cable line57.57.812.96.138.05.8
road and flight path2.52.56.54.44.22.4
no access intended20.06.464.58.639.45.8
total100.0.100.0.100.0.
TGroad and skidding track60.015.690.03.985.84.2
road and skidding road30.014.610.03.912.84.0
road and cable line10.09.5..1.41.4
road and flight path......
no access intended......
total100.0.100.0.100.0.
TIroad and skidding track2.61.12.62.52.61.0
road and skidding road8.31.820.26.410.01.8
road and cable line25.32.923.26.825.02.6
road and flight path53.73.328.37.250.03.1
no access intended10.12.025.87.012.32.0
total100.0.100.0.100.0.
URroad and skidding track7.14.96.56.46.93.9
road and skidding road4.03.914.09.27.64.2
road and cable line60.49.327.111.648.77.7
road and flight path21.37.826.211.323.06.4
no access intended7.14.926.211.313.85.3
total100.0.100.0.100.0.
VDroad and skidding track7.33.557.73.646.73.2
road and skidding road9.34.024.03.120.82.6
road and cable line52.06.84.71.515.12.3
road and flight path16.65.14.11.46.91.6
no access intended14.94.99.42.110.62.0
total100.0.100.0.100.0.
VSroad and skidding track15.12.532.86.019.02.4
road and skidding road4.71.511.44.16.21.5
road and cable line41.53.423.15.437.42.9
road and flight path34.93.332.76.034.42.9
no access intended3.81.3..2.91.0
total100.0.100.0.100.0.
ZGroad and skidding track33.316.275.022.446.214.3
road and skidding road11.110.825.022.415.410.4
road and cable line55.617.0..38.513.9
road and flight path......
no access intended......
total100.0.100.0.100.0.
ZHroad and skidding track..77.03.674.83.6
road and skidding road25.021.711.52.711.92.7
road and cable line75.021.710.82.612.62.8
road and flight path......
no access intended..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track16.31.050.61.235.20.8
road and skidding road12.10.920.01.016.50.7
road and cable line41.01.313.90.826.10.8
road and flight path21.91.15.60.612.90.6
no access intended8.60.89.90.79.30.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162755/149134

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track..29.8829.88
road and skidding road0.410015.31415.713
road and cable line......
road and flight path......
no access intended0.8702.4403.234
total1.25747.5348.72
AIroad and skidding track1.3451.6392.924
road and skidding road0.669..0.669
road and cable line1.054..1.054
road and flight path0.3100..0.3100
no access intended......
total3.2211.6394.811
ARroad and skidding track2.6302.6305.116
road and skidding road..1.3471.347
road and cable line0.6691.0551.641
road and flight path......
no access intended......
total3.2254.8178.05
BEroad and skidding track15.81445.9861.76
road and skidding road16.81417.81334.59
road and cable line32.5917.11449.67
road and flight path3.1330.31003.431
no access intended6.8226.22313.016
total75.0587.35162.32
BL/BSroad and skidding track2.0439.01711.014
road and skidding road1.2575.2256.422
road and cable line0.41000.8701.257
road and flight path......
no access intended0.4100..0.4100
total4.12915.01019.16
FRroad and skidding track4.12914.21318.311
road and skidding road2.2403.0345.225
road and cable line7.5203.33210.816
road and flight path......
no access intended3.0343.7306.722
total16.81224.3941.13
GEroad and skidding track..2.2342.234
road and skidding road......
road and cable line......
road and flight path......
no access intended......
total..2.2342.234
GLroad and skidding track......
road and skidding road......
road and cable line6.5204.22710.813
road and flight path1.2570.8701.943
no access intended2.3390.8703.133
total10.0145.82215.88
GRroad and skidding track15.41416.81432.110
road and skidding road2.4384.2296.623
road and cable line48.9721.71270.56
road and flight path18.91311.01729.910
no access intended2.1411.0583.133
total87.6554.77142.33
JUroad and skidding track3.13411.71514.812
road and skidding road7.0219.71716.711
road and cable line0.4100..0.4100
road and flight path......
no access intended1.2570.8701.944
total11.71522.2833.93
LUroad and skidding track0.9578.8179.716
road and skidding road..4.1264.126
road and cable line2.2371.6443.828
road and flight path......
no access intended3.82818.01021.89
total6.92032.4539.33
NEroad and skidding track1.05713.21214.211
road and skidding road3.2308.41711.613
road and cable line......
road and flight path......
no access intended0.31001.3491.644
total4.52522.9627.44
NWroad and skidding track0.4100..0.4100
road and skidding road..0.41000.4100
road and cable line1.2551.5462.732
road and flight path0.41000.41000.869
no access intended0.8691.5462.336
total2.7323.8246.513
OWroad and skidding track..0.41000.4100
road and skidding road0.7701.1571.943
road and cable line5.6224.1289.715
road and flight path2.2391.5493.729
no access intended1.1572.2393.431
total9.7149.31519.04
SGroad and skidding track11.2178.71919.911
road and skidding road5.4254.0299.418
road and cable line10.1183.23313.415
road and flight path3.3333.3336.522
no access intended0.4100..0.4100
total30.4819.21249.54
SHroad and skidding track0.77010.0910.78
road and skidding road..1.8421.842
road and cable line..0.41000.4100
road and flight path......
no access intended......
total0.77012.1512.83
SOroad and skidding track0.87016.71117.410
road and skidding road1.1578.7189.817
road and cable line..3.0343.034
road and flight path......
no access intended0.41000.8701.157
total2.34029.1531.44
SZroad and skidding track0.41000.7701.157
road and skidding road2.5371.1573.630
road and cable line8.3181.4499.816
road and flight path0.41000.7701.157
no access intended2.9347.22010.116
total14.51211.21425.75
TGroad and skidding track1.83916.2818.06
road and skidding road0.9571.8392.731
road and cable line0.3100..0.3100
road and flight path......
no access intended......
total3.03018.0621.04
TIroad and skidding track2.1410.41002.537
road and skidding road6.8222.8359.619
road and cable line20.7123.23324.011
road and flight path44.083.93048.07
no access intended8.2203.63111.817
total82.0413.91595.94
URroad and skidding track0.7700.31001.057
road and skidding road0.41000.7711.158
road and cable line5.6211.4507.019
road and flight path2.0391.3493.330
no access intended0.7701.3492.039
total9.3155.02414.311
VDroad and skidding track1.55042.0843.57
road and skidding road1.94417.51419.413
road and cable line10.6183.43314.115
road and flight path3.4333.0356.424
no access intended3.0356.8239.919
total20.51272.7493.23
VSroad and skidding track11.0176.92217.813
road and skidding road3.4312.4385.824
road and cable line30.294.82635.09
road and flight path25.4116.92232.39
no access intended2.735..2.735
total72.7521.01293.73
ZGroad and skidding track1.3531.3532.632
road and skidding road0.41000.41000.968
road and cable line2.137..2.137
road and flight path......
no access intended......
total3.9211.7445.69
ZHroad and skidding track..37.7537.75
road and skidding road0.41005.6246.023
road and cable line1.1575.3256.322
road and flight path......
no access intended..0.41000.4100
total1.44949.0350.42
Switzerlandroad and skidding track77.96296.93374.82
road and skidding road58.08117.25175.24
road and cable line195.8481.56277.43
road and flight path104.5533.110137.64
no access intended40.9958.1799.05
total477.12586.821064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162756/149135

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectconcept of transportation system %± %± %± %± %± %±
inside perimeterroad and skidding track31.14.637.36.824.42.514.41.43.11.016.51.0
road and skidding road45.64.935.36.716.02.14.80.97.01.512.20.9
road and cable line11.73.29.84.241.02.852.92.032.12.840.91.3
road and flight path2.91.72.01.96.51.422.51.747.63.021.81.1
no access intended8.72.815.75.112.11.95.30.910.11.88.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterroad and skidding track56.12.473.91.826.82.724.92.53.92.750.51.2
road and skidding road34.62.316.51.516.12.37.91.517.45.319.81.0
road and cable line3.70.93.20.723.02.639.32.829.56.413.90.8
road and flight path....5.71.421.72.425.56.15.60.6
no access intended5.51.16.41.028.42.86.21.423.76.010.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.32.271.01.825.51.817.91.33.31.035.20.8
road and skidding road36.82.118.01.516.01.55.80.88.61.516.40.7
road and cable line5.21.03.70.732.72.048.41.731.72.526.00.7
road and flight path0.60.30.20.26.21.022.21.444.22.712.90.6
no access intended6.21.07.11.019.51.75.60.812.21.89.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162757/149136

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track11.7176.72327.01130.1103.23378.76
road and skidding road17.2146.32317.71410.0187.12258.38
road and cable line4.4291.84545.48110.6532.69194.74
road and flight path1.1580.41007.22247.0848.27103.95
no access intended3.3332.83513.31611.11710.31840.89
total37.6917.914110.74208.93101.34476.32
outside of perimeterroad and skidding track88.75153.9325.21126.3110.771294.93
road and skidding road54.8734.4915.1158.3203.133115.85
road and cable line5.8256.72321.61241.695.32581.16
road and flight path....5.42622.9124.62733.010
no access intended8.82013.41626.7116.6234.32959.67
total158.13208.4294.15105.8518.013584.32
totalroad and skidding track100.44160.6352.3756.473.930373.62
road and skidding road71.9640.7832.81018.41310.218174.04
road and cable line10.2188.42067.06152.2437.99275.83
road and flight path1.1580.410012.61670.0652.87136.85
no access intended12.01716.21440.0917.61414.515100.46
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162758/149137

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track33.13.814.02.023.13.015.12.521.12.93.11.016.41.0
road and skidding road42.24.012.31.912.22.34.71.53.11.27.01.512.10.9
road and cable line11.02.551.72.947.23.541.53.454.63.632.12.841.01.3
road and flight path2.61.37.31.59.22.034.93.321.12.947.63.021.81.1
no access intended11.02.514.72.08.31.93.81.3..10.11.88.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterroad and skidding track66.41.518.42.627.93.932.86.032.53.93.92.750.61.2
road and skidding road24.21.314.02.312.12.811.44.17.62.217.45.319.71.0
road and cable line3.40.632.53.127.53.923.15.438.74.129.56.414.00.8
road and flight path..6.11.612.82.932.76.020.53.325.56.15.60.5
no access intended6.00.728.93.019.63.5..0.70.723.76.010.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track62.01.415.91.625.02.419.02.426.02.43.31.035.20.8
road and skidding road26.51.313.11.512.21.86.21.55.01.28.61.516.30.7
road and cable line4.40.643.42.239.52.737.42.947.82.731.72.526.10.7
road and flight path0.30.26.81.110.61.734.42.920.92.244.22.712.90.6
no access intended6.70.720.81.812.71.82.91.00.30.312.21.89.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162759/149138

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track18.21415.11516.41411.01714.4153.23378.36
road and skidding road23.21213.3168.7203.4312.1417.12257.98
road and cable line6.12455.9733.5930.2937.2832.69195.44
road and flight path1.4507.9216.62225.41114.41548.27103.95
no access intended6.12415.9155.9242.735..10.31840.89
total55.18108.2470.9572.7568.25101.34476.32
outside of perimeterroad and skidding track243.6315.11512.8166.92216.5140.771295.63
road and skidding road88.7611.5175.5252.4383.9303.133115.25
road and cable line12.51726.71112.6164.82619.7135.32581.76
road and flight path..5.0265.9246.92210.4184.62732.810
no access intended22.21223.8129.019..0.41004.32959.67
total367.0182.2545.7721.01250.9718.013584.82
totalroad and skidding track261.8230.31029.21017.81330.9103.930374.02
road and skidding road112.0524.91114.2155.8246.02410.218173.04
road and cable line18.61482.6546.1735.0956.9637.99277.13
road and flight path1.45013.01612.41632.3924.81152.87136.75
no access intended28.31139.7914.8142.7350.410014.515100.46
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162760/149139

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionconcept of transportation system %± %± %±
Western Juraroad and skidding track26.94.754.62.848.72.5
road and skidding road48.35.334.72.637.62.4
road and cable line13.53.63.71.05.71.1
road and flight path3.41.9..0.70.4
no access intended7.92.97.01.47.21.3
total100.0.100.0.100.0.
Eastern Juraroad and skidding track57.113.261.04.760.64.4
road and skidding road28.612.134.24.633.54.3
road and cable line..3.81.93.41.7
road and flight path......
no access intended14.39.41.01.02.51.4
total100.0.100.0.100.0.
Western Plateauroad and skidding track41.014.275.64.372.04.2
road and skidding road33.713.716.63.718.43.6
road and cable line8.48.1..0.90.9
road and flight path......
no access intended16.910.97.82.78.72.6
total100.0.100.0.100.0.
Central Plateauroad and skidding track27.39.567.83.363.83.2
road and skidding road40.910.517.02.719.42.7
road and cable line9.16.13.01.23.61.3
road and flight path......
no access intended22.79.012.12.313.22.3
total100.0.100.0.100.0.
Eastern Plateauroad and skidding track47.112.177.32.575.72.4
road and skidding road29.411.116.22.216.92.1
road and cable line11.87.84.51.24.91.2
road and flight path5.95.7..0.30.3
no access intended5.95.72.10.82.30.9
total100.0.100.0.100.0.
Western Pre-Alpsroad and skidding track25.05.339.67.530.64.4
road and skidding road8.83.47.03.98.12.6
road and cable line44.16.034.87.340.54.7
road and flight path5.92.94.73.25.42.2
no access intended16.24.514.05.315.33.4
total100.0.100.0.100.0.
Central Pre-Alpsroad and skidding track14.73.112.62.913.62.1
road and skidding road19.43.519.33.419.32.4
road and cable line43.44.423.73.733.32.9
road and flight path7.02.23.71.65.31.4
no access intended15.53.240.74.228.42.8
total100.0.100.0.100.0.
Eastern Pre-Alpsroad and skidding track35.54.643.45.538.93.5
road and skidding road16.43.515.74.016.12.6
road and cable line36.44.615.74.027.53.2
road and flight path6.42.39.63.27.81.9
no access intended5.52.215.74.09.82.1
total100.0.100.0.100.0.
Northwestern Alpsroad and skidding track5.82.316.05.29.22.3
road and skidding road5.82.36.03.45.91.9
road and cable line67.04.653.97.162.73.9
road and flight path8.82.814.04.910.52.5
no access intended12.63.310.04.211.82.6
total100.0.100.0.100.0.
Central Alpsroad and skidding track5.43.73.73.64.72.6
road and skidding road5.63.97.75.26.53.1
road and cable line62.08.029.88.848.46.3
road and flight path16.26.118.47.517.14.7
no access intended10.85.140.59.523.35.3
total100.0.100.0.100.0.
Northeastern Alpsroad and skidding track10.44.0..7.53.0
road and skidding road8.63.74.54.57.53.0
road and cable line58.66.568.210.061.35.5
road and flight path10.34.018.28.312.53.7
no access intended12.14.39.16.211.23.5
total100.0.100.0.100.0.
Southwestern Alpsroad and skidding track15.12.532.86.019.02.4
road and skidding road4.71.511.44.16.21.5
road and cable line41.53.423.15.437.42.9
road and flight path34.93.332.76.034.42.9
no access intended3.81.3..2.91.0
total100.0.100.0.100.0.
Southeastern Alpsroad and skidding track21.12.932.53.926.02.4
road and skidding road3.11.27.62.25.01.2
road and cable line54.63.638.74.147.82.7
road and flight path21.12.920.53.320.92.2
no access intended..0.70.70.30.3
total100.0.100.0.100.0.
Southern Alpsroad and skidding track3.11.03.92.73.31.0
road and skidding road7.01.517.45.38.61.5
road and cable line32.12.829.56.431.72.5
road and flight path47.63.025.56.144.22.7
no access intended10.11.823.76.012.21.8
total100.0.100.0.100.0.
Switzerlandroad and skidding track16.51.050.61.235.30.8
road and skidding road12.10.919.81.016.30.7
road and cable line41.01.313.90.826.10.7
road and flight path21.81.15.60.512.90.6
no access intended8.60.810.10.79.40.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162761/149140

NFI4b

forest area: protection forest perimeter SilvaProtect · concept of transportation system · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track8.62063.9672.55
road and skidding road15.31540.7856.07
road and cable line4.3294.3298.620
road and flight path1.158..1.158
no access intended2.5388.22010.718
total31.810117.13148.92
Eastern Juraroad and skidding track3.23425.3928.58
road and skidding road1.64914.21415.813
road and cable line..1.6491.649
road and flight path......
no access intended0.8700.41001.257
total5.52541.5447.03
Western Plateauroad and skidding track2.04432.0734.07
road and skidding road1.6497.0238.720
road and cable line0.4100..0.4100
road and flight path......
no access intended0.8703.3344.130
total4.92842.3547.24
Central Plateauroad and skidding track1.94042.0643.86
road and skidding road2.83310.51613.314
road and cable line0.6711.9402.535
road and flight path......
no access intended1.5447.5209.118
total6.82061.9368.72
Eastern Plateauroad and skidding track2.93580.4483.34
road and skidding road1.84416.81418.613
road and cable line0.7714.6275.425
road and flight path0.4100..0.4100
no access intended0.41002.1412.537
total6.124104.02110.12
Western Pre-Alpsroad and skidding track6.3236.32312.615
road and skidding road2.2401.1573.333
road and cable line11.1165.52516.612
road and flight path1.5490.7702.240
no access intended4.1292.2406.323
total25.2915.91341.14
Central Pre-Alpsroad and skidding track6.8226.12412.916
road and skidding road9.0199.31918.313
road and cable line20.11211.51731.69
road and flight path3.2331.8445.026
no access intended7.22219.71226.910
total46.3748.4794.72
Eastern Pre-Alpsroad and skidding track13.91512.91526.810
road and skidding road6.4234.62711.117
road and cable line14.3144.62718.912
road and flight path2.5372.9355.425
no access intended2.1404.6276.822
total39.3729.6968.93
Northwestern Alpsroad and skidding track2.2402.9355.026
road and skidding road2.1401.1583.233
road and cable line24.6109.61834.37
road and flight path3.2332.5375.724
no access intended4.6271.8446.423
total36.8717.91354.74
Central Alpsroad and skidding track0.7700.31001.057
road and skidding road0.7710.7711.450
road and cable line7.9192.83410.715
road and flight path2.1401.7443.829
no access intended1.4493.8295.224
total12.7139.31722.18
Northeastern Alpsroad and skidding track2.240..2.240
road and skidding road1.8440.41002.140
road and cable line12.2155.42417.511
road and flight path2.1401.4493.630
no access intended2.5370.7703.232
total20.8107.91928.76
Southwestern Alpsroad and skidding track11.0176.92217.813
road and skidding road3.4312.4385.824
road and cable line30.294.82635.09
road and flight path25.4116.92232.39
no access intended2.735..2.735
total72.7521.01293.73
Southeastern Alpsroad and skidding track14.41516.51430.910
road and skidding road2.1413.9306.024
road and cable line37.2819.71356.96
road and flight path14.41510.41824.811
no access intended..0.41000.4100
total68.2550.97119.03
Southern Alpsroad and skidding track3.2330.7713.930
road and skidding road7.1223.13310.218
road and cable line32.695.32537.99
road and flight path48.274.62752.87
no access intended10.3184.32914.515
total101.3418.013119.33
Switzerlandroad and skidding track79.06296.23375.22
road and skidding road58.08115.85173.94
road and cable line196.2481.76277.93
road and flight path104.1532.910137.05
no access intended40.9959.07100.06
total478.22585.721063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162762/149141

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder57.54.862.05.533.02.021.33.014.42.810.01.828.01.2
forwarder18.93.822.84.72.40.72.11.04.61.72.10.85.10.6
mobile tower yarder12.33.210.13.424.81.925.03.128.83.712.72.020.81.1
cable crane2.81.62.51.825.61.99.42.128.83.718.02.318.91.1
helicopter2.81.61.31.314.11.541.73.623.53.455.52.926.31.1
others5.72.21.31.3..0.50.5..1.70.81.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterskidder62.32.458.42.040.02.632.76.323.23.820.25.450.71.2
forwarder31.82.337.71.96.21.39.13.911.62.93.72.625.41.1
mobile tower yarder4.11.03.00.718.62.118.35.218.33.511.14.38.50.7
cable crane0.70.40.20.216.12.01.81.823.23.816.75.16.00.6
helicopter0.20.20.20.218.32.138.16.623.73.944.66.88.50.7
others1.00.50.60.30.80.5....3.72.60.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder61.32.158.81.835.81.623.92.718.32.311.61.740.50.8
forwarder29.22.036.11.84.00.73.61.27.71.62.30.816.30.6
mobile tower yarder5.71.03.80.722.31.423.52.724.12.612.51.814.00.6
cable crane1.10.50.40.221.81.47.71.726.32.717.82.111.80.6
helicopter0.80.40.30.215.81.240.93.123.62.653.82.716.50.6
others1.90.60.70.30.30.20.40.4..2.00.80.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162763/149142

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder22.01217.31462.2714.0157.82110.318133.65
forwarder7.2226.4234.6281.4502.5372.14124.212
mobile tower yarder4.7272.83546.8816.41315.51413.11699.46
cable crane1.1580.77148.286.22315.51418.51390.36
helicopter1.1580.410026.61127.41012.71657.37125.55
others2.2410.4100..0.3100..1.8454.628
total38.2927.911188.4365.7554.16103.24477.52
outside of perimeterskidder94.05131.9450.486.2239.9183.930296.33
forwarder47.9885.257.9211.7444.9260.771148.44
mobile tower yarder6.1246.72323.4123.5317.8212.14149.68
cable crane1.1580.410020.3130.31009.9183.23335.210
helicopter0.41000.410023.1127.22110.1188.62049.68
others1.4501.4501.158....0.7714.628
total151.03226.02126.2418.91342.6819.213583.82
totalskidder116.04149.23112.6520.21217.71314.215429.92
forwarder55.1791.6512.5173.1337.4212.835172.64
mobile tower yarder10.8189.51970.2619.91223.31115.315149.04
cable crane2.2411.15868.676.52225.41121.712125.55
helicopter1.4500.77149.7834.6822.81165.96175.14
others3.6311.8451.1580.3100..2.5389.320
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162764/149143

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonmain type of harvest %± %± %±
AGskidder66.727.357.64.557.94.5
forwarder33.327.338.14.538.04.4
mobile tower yarder..1.71.21.71.2
cable crane......
helicopter..0.80.80.80.8
others..1.71.21.71.2
total100.0.100.0.100.0.
AIskidder50.016.1100.0.66.712.5
forwarder10.09.8..6.76.6
mobile tower yarder10.09.8..6.76.6
cable crane10.09.8..6.76.6
helicopter20.013.0..13.39.0
others......
total100.0.100.0.100.0.
ARskidder50.016.160.012.856.010.0
forwarder30.014.820.010.524.08.7
mobile tower yarder10.09.713.38.912.06.6
cable crane10.09.76.76.68.05.5
helicopter......
others......
total100.0.100.0.100.0.
BEskidder44.33.456.53.150.92.3
forwarder5.51.522.32.614.51.6
mobile tower yarder23.72.910.61.916.71.7
cable crane16.92.57.81.712.01.5
helicopter9.12.02.71.05.71.1
others0.50.5..0.20.2
total100.0.100.0.100.0.
BL/BSskidder40.015.659.38.255.17.3
forwarder40.015.635.37.936.37.1
mobile tower yarder10.09.65.43.86.43.6
cable crane10.09.6..2.12.1
helicopter......
others......
total100.0.100.0.100.0.
FRskidder39.97.363.16.053.64.8
forwarder6.73.716.94.712.73.2
mobile tower yarder33.47.19.23.619.13.8
cable crane13.35.16.23.09.12.8
helicopter6.73.74.62.65.52.2
others......
total100.0.100.0.100.0.
GEskidder......
forwarder..100.0.100.0.
mobile tower yarder......
cable crane......
helicopter......
others......
total..100.0.100.0.
GLskidder23.18.326.711.524.46.8
forwarder......
mobile tower yarder7.75.326.711.514.65.6
cable crane50.09.926.711.541.57.7
helicopter19.27.820.010.419.56.2
others......
total100.0.100.0.100.0.
GRskidder15.92.325.53.519.62.0
forwarder2.81.012.12.66.41.2
mobile tower yarder27.52.816.63.023.32.1
cable crane29.52.922.43.326.72.2
helicopter24.32.723.43.423.92.1
others......
total100.0.100.0.100.0.
JUskidder73.38.080.85.278.24.4
forwarder6.74.617.45.013.73.7
mobile tower yarder13.36.2..4.62.3
cable crane......
helicopter......
others6.74.61.81.83.52.0
total100.0.100.0.100.0.
LUskidder27.39.562.14.856.04.5
forwarder13.67.315.73.615.33.2
mobile tower yarder22.79.012.63.314.43.1
cable crane31.810.07.72.612.02.9
helicopter4.54.51.91.42.41.4
others......
total100.0.100.0.100.0.
NEskidder71.412.195.82.491.83.0
forwarder14.39.44.22.45.92.6
mobile tower yarder......
cable crane......
helicopter......
others14.39.4..2.31.6
total100.0.100.0.100.0.
NWskidder28.617.430.014.829.411.3
forwarder......
mobile tower yarder14.313.530.014.823.510.5
cable crane42.919.110.09.723.510.5
helicopter14.313.530.014.823.510.5
others......
total100.0.100.0.100.0.
OWskidder15.47.128.19.121.65.8
forwarder3.83.84.04.03.92.7
mobile tower yarder26.98.820.18.123.66.0
cable crane26.98.819.78.023.46.0
helicopter26.98.828.19.127.56.3
others......
total100.0.100.0.100.0.
SGskidder52.45.560.46.755.54.3
forwarder2.41.77.63.64.41.8
mobile tower yarder9.53.2..5.82.0
cable crane23.84.79.44.018.23.3
helicopter11.93.520.75.615.33.1
others..1.91.80.70.7
total100.0.100.0.100.0.
SHskidder..14.76.113.95.8
forwarder100.0.79.46.880.66.4
mobile tower yarder..2.92.92.82.8
cable crane......
helicopter......
others..2.92.92.82.8
total100.0.100.0.100.0.
SOskidder16.715.344.25.742.25.5
forwarder50.020.545.55.745.85.5
mobile tower yarder..9.13.38.43.1
cable crane16.715.3..1.21.2
helicopter......
others16.715.31.31.32.41.7
total100.0.100.0.100.0.
SZskidder22.56.629.08.225.45.2
forwarder5.03.56.54.45.62.8
mobile tower yarder37.57.716.16.628.25.4
cable crane20.06.43.23.212.74.0
helicopter15.05.738.78.825.35.2
others..6.54.42.82.0
total100.0.100.0.100.0.
TGskidder50.015.951.46.551.26.0
forwarder30.014.643.66.541.75.9
mobile tower yarder10.09.5..1.41.4
cable crane......
helicopter......
others10.09.55.02.85.72.8
total100.0.100.0.100.0.
TIskidder10.12.020.26.411.51.9
forwarder2.61.12.62.52.61.0
mobile tower yarder7.81.87.74.37.81.6
cable crane16.22.415.45.816.12.2
helicopter61.23.249.08.059.43.0
others2.21.05.13.52.61.0
total100.0.100.0.100.0.
URskidder11.26.120.510.614.55.5
forwarder3.63.5..2.32.3
mobile tower yarder24.98.26.56.418.45.9
cable crane32.08.927.111.630.37.1
helicopter28.48.645.812.934.57.3
others......
total100.0.100.0.100.0.
VDskidder33.36.443.33.641.13.1
forwarder9.34.045.83.637.83.1
mobile tower yarder29.76.25.21.610.62.0
cable crane9.34.01.60.93.31.1
helicopter18.45.34.11.47.31.7
others......
total100.0.100.0.100.0.
VSskidder22.62.937.76.226.02.7
forwarder2.41.09.83.84.01.2
mobile tower yarder25.03.016.54.823.12.6
cable crane10.82.11.61.68.81.7
helicopter38.73.434.36.137.72.9
others0.50.5..0.40.4
total100.0.100.0.100.0.
ZGskidder44.417.175.022.453.814.3
forwarder..25.022.47.77.7
mobile tower yarder44.417.1..30.813.2
cable crane11.110.8..7.77.7
helicopter......
others......
total100.0.100.0.100.0.
ZHskidder25.021.758.34.257.34.1
forwarder..31.73.930.83.9
mobile tower yarder50.025.19.42.510.52.6
cable crane25.021.70.70.71.41.0
helicopter......
others......
total100.0.100.0.100.0.
Switzerlandskidder28.01.250.51.240.40.8
forwarder5.00.625.81.016.50.6
mobile tower yarder20.81.18.40.714.00.6
cable crane18.91.15.90.611.70.6
helicopter26.31.18.50.716.50.6
others1.00.30.80.20.90.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162765/149144

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %
AGskidder0.87027.4828.28
forwarder0.410018.11218.512
mobile tower yarder..0.8700.870
cable crane......
helicopter..0.41000.4100
others..0.8700.870
total1.25747.5348.72
AIskidder1.6391.6393.222
forwarder0.3100..0.3100
mobile tower yarder0.3100..0.3100
cable crane0.3100..0.3100
helicopter0.669..0.669
others......
total3.2211.6394.811
ARskidder1.6412.9274.518
forwarder1.0551.0551.936
mobile tower yarder0.31000.6691.055
cable crane0.31000.31000.669
helicopter......
others......
total3.2254.8178.05
BEskidder33.2949.3782.55
forwarder4.12919.51323.611
mobile tower yarder17.8139.31927.010
cable crane12.7166.82219.513
helicopter6.9222.4389.319
others0.3100..0.3100
total75.0587.35162.32
BL/BSskidder1.6498.91710.515
forwarder1.6495.3246.920
mobile tower yarder0.41000.8701.257
cable crane0.4100..0.4100
helicopter......
others......
total4.12915.01019.16
FRskidder6.72215.31322.09
forwarder1.1574.1295.225
mobile tower yarder5.6242.2407.820
cable crane2.2401.5493.730
helicopter1.1571.1572.240
others......
total16.81224.3941.13
GEskidder......
forwarder..2.2342.234
mobile tower yarder......
cable crane......
helicopter......
others......
total..2.2342.234
GLskidder2.3391.5493.929
forwarder......
mobile tower yarder0.8701.5492.339
cable crane5.0241.5496.520
helicopter1.9431.2573.133
others......
total10.0145.82215.88
GRskidder14.01514.01527.910
forwarder2.4386.6239.119
mobile tower yarder24.1119.11933.29
cable crane25.81112.21638.19
helicopter21.31212.81634.19
others......
total87.6554.77142.33
JUskidder8.61917.91026.56
forwarder0.8703.9304.627
mobile tower yarder1.649..1.649
cable crane......
helicopter......
others0.8700.41001.257
total11.71522.2833.93
LUskidder1.94020.1922.09
forwarder0.9575.1246.022
mobile tower yarder1.6444.1275.622
cable crane2.2372.5344.724
helicopter0.31000.6700.957
others......
total6.92032.4539.33
NEskidder3.23021.9725.15
forwarder0.6701.0571.644
mobile tower yarder......
cable crane......
helicopter......
others0.670..0.670
total4.52522.9627.44
NWskidder0.8691.2551.940
forwarder......
mobile tower yarder0.41001.2551.546
cable crane1.2550.41001.546
helicopter0.41001.2551.546
others......
total2.7323.8246.513
OWskidder1.5492.6364.127
forwarder0.41000.41000.770
mobile tower yarder2.6361.9434.526
cable crane2.6361.8444.526
helicopter2.6362.6365.223
others......
total9.7149.31519.04
SGskidder15.91311.61627.59
forwarder0.7701.4502.240
mobile tower yarder2.935..2.935
cable crane7.2211.8449.019
helicopter3.6314.0297.621
others..0.41000.4100
total30.4819.21249.54
SHskidder..1.8421.842
forwarder0.7709.61010.39
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others..0.41000.4100
total0.77012.1512.83
SOskidder0.410012.91413.213
forwarder1.15713.21314.413
mobile tower yarder..2.6362.636
cable crane0.4100..0.4100
helicopter......
others0.41000.41000.870
total2.34029.1531.44
SZskidder3.3323.3326.521
forwarder0.7700.7701.449
mobile tower yarder5.4231.8447.220
cable crane2.9340.41003.332
helicopter2.2404.3276.521
others..0.7700.770
total14.51211.21425.75
TGskidder1.5439.31410.712
forwarder0.9577.8168.715
mobile tower yarder0.3100..0.3100
cable crane......
helicopter......
others0.31000.9571.249
total3.03018.0621.04
TIskidder8.2202.83511.117
forwarder2.1410.41002.537
mobile tower yarder6.4231.1587.521
cable crane13.3162.14115.414
helicopter50.176.82257.06
others1.8440.7712.538
total82.0413.91595.94
URskidder1.0581.0582.140
forwarder0.3100..0.3100
mobile tower yarder2.3360.31002.634
cable crane3.0311.4504.326
helicopter2.6342.3365.023
others......
total9.3155.02414.311
VDskidder6.82331.5938.38
forwarder1.94433.3935.29
mobile tower yarder6.1243.8319.919
cable crane1.9441.1583.035
helicopter3.8313.0356.823
others......
total20.51272.7493.23
VSskidder16.5147.92024.411
forwarder1.7442.1413.830
mobile tower yarder18.2133.53121.612
cable crane7.9200.31008.220
helicopter28.1107.22135.39
others0.3100..0.3100
total72.7521.01293.73
ZGskidder1.7441.3533.028
forwarder..0.41000.4100
mobile tower yarder1.744..1.744
cable crane0.4100..0.4100
helicopter......
others......
total3.9211.7445.69
ZHskidder0.410028.5828.98
forwarder..15.51315.513
mobile tower yarder0.7704.6275.325
cable crane0.41000.41000.770
helicopter......
others......
total1.44949.0350.42
Switzerlandskidder133.45296.53429.92
forwarder24.012151.64175.64
mobile tower yarder99.4649.58149.05
cable crane90.1634.710124.75
helicopter125.7549.98175.64
others4.6284.6289.220
total477.12586.821064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162766/149145

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectmain type of harvest %± %± %± %± %± %±
inside perimeterskidder55.34.960.86.843.62.821.21.79.41.728.11.2
forwarder21.44.027.46.24.21.22.20.62.10.85.10.6
mobile tower yarder11.73.25.93.323.52.426.11.812.92.020.81.1
cable crane2.91.72.01.918.22.224.01.717.52.318.81.1
helicopter2.91.72.01.910.41.726.31.856.32.926.21.2
others5.82.32.01.9..0.20.21.70.81.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterskidder60.52.458.02.049.43.129.22.617.45.350.81.2
forwarder33.22.338.02.08.01.78.21.63.92.725.41.1
mobile tower yarder4.21.02.70.717.22.318.02.211.84.58.50.7
cable crane0.70.40.70.310.71.918.02.217.75.46.00.6
helicopter0.20.20.20.213.42.126.62.545.37.08.50.7
others1.20.50.50.31.10.7..3.92.70.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder59.52.158.21.946.32.123.91.410.61.740.60.8
forwarder31.02.037.11.96.01.04.20.72.40.816.30.6
mobile tower yarder5.61.02.90.720.61.723.41.412.71.814.00.6
cable crane1.10.50.80.314.81.522.01.417.52.111.70.6
helicopter0.70.40.30.211.81.426.41.554.62.716.50.6
others2.10.60.60.30.50.30.10.12.10.80.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162767/149146

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder20.81310.91848.3844.389.619133.95
forwarder8.0214.9264.7274.5282.14124.312
mobile tower yarder4.4291.15826.01154.6713.11699.06
cable crane1.1580.410020.21350.1817.71389.56
helicopter1.1580.410011.51755.0757.07125.05
others2.2410.4100..0.31001.8454.728
total37.6917.914110.74208.93101.34476.32
outside of perimeterskidder95.65120.9446.5830.9103.133297.03
forwarder52.6779.167.6218.6200.771148.54
mobile tower yarder6.6235.62516.21419.1132.14149.68
cable crane1.1581.45010.11919.1133.23334.810
helicopter0.41000.410012.61628.1118.22049.68
others1.8451.1581.158..0.7714.728
total158.13208.4294.15105.8518.013584.32
totalskidder116.54131.8494.8575.2612.716430.92
forwarder60.6784.0512.31713.1162.835172.84
mobile tower yarder11.0186.72342.2873.7615.215148.64
cable crane2.2411.84530.31069.2620.912124.35
helicopter1.5500.77124.21283.1665.26174.64
others4.0301.4501.1580.31002.5389.319
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162768/149147

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder57.14.035.02.835.83.422.62.918.62.89.41.728.01.2
forwarder23.43.41.70.74.41.42.41.03.61.32.10.85.10.6
mobile tower yarder9.72.429.32.619.02.725.03.025.83.112.92.020.91.1
cable crane2.61.321.02.426.33.110.82.131.43.317.52.318.91.1
helicopter2.61.313.01.914.62.538.73.420.62.956.32.926.31.1
others4.51.7....0.50.5..1.70.81.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterskidder59.11.543.43.343.34.337.76.227.03.717.45.350.81.2
forwarder36.01.56.11.66.02.19.83.812.42.73.92.725.51.1
mobile tower yarder3.30.622.82.811.32.816.54.815.93.011.84.58.50.7
cable crane0.70.314.92.412.12.81.61.622.13.517.75.46.00.6
helicopter0.20.112.72.224.93.834.36.122.63.545.37.08.40.7
others0.80.3..2.31.3....3.92.70.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder58.81.438.62.138.72.726.02.722.22.310.61.740.60.9
forwarder34.31.43.60.85.01.24.01.27.41.42.40.816.30.6
mobile tower yarder4.20.626.51.916.02.023.12.621.62.212.71.814.10.6
cable crane0.90.318.41.720.72.28.81.727.52.417.52.111.80.6
helicopter0.50.212.91.518.62.137.72.921.42.254.62.716.40.6
others1.30.3..0.90.50.40.4..2.10.80.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162769/149148

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder31.51037.9925.41116.51412.7169.619133.45
forwarder12.9161.8453.1331.7442.5382.14124.112
mobile tower yarder5.42631.71013.41518.21317.61313.11699.36
cable crane1.45022.71218.7137.92021.41217.71389.86
helicopter1.45014.11610.31828.11014.11557.07125.15
others2.538....0.3100..1.8454.628
total55.18108.2470.9572.7568.25101.34476.32
outside of perimeterskidder216.7335.7919.8127.92013.7153.133297.03
forwarder132.045.0262.8352.1416.3230.771148.94
mobile tower yarder12.21718.8135.2253.5318.1202.14149.88
cable crane2.53812.3175.5250.310011.3173.23335.110
helicopter0.77110.51811.4177.22111.5178.22049.48
others2.935..1.158....0.7714.628
total367.0182.2545.7721.01250.9718.013584.82
totalskidder248.2373.6645.2724.41126.41112.716430.42
forwarder144.946.9235.9243.8308.8192.835173.04
mobile tower yarder17.51450.5818.61321.61225.71115.215149.14
cable crane3.93035.0924.2118.22032.7920.912124.95
helicopter2.24124.51221.71235.3925.51165.26174.54
others5.426..1.1580.3100..2.5389.220
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162770/149149

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionmain type of harvest %± %± %±
Western Juraskidder58.45.267.32.665.42.3
forwarder15.73.926.92.524.52.1
mobile tower yarder12.33.54.01.15.71.1
cable crane3.41.90.90.51.40.6
helicopter3.41.90.30.31.00.5
others6.72.70.60.41.90.7
total100.0.100.0.100.0.
Eastern Juraskidder35.712.839.04.838.64.5
forwarder57.113.253.44.953.84.5
mobile tower yarder7.16.94.82.15.02.0
cable crane......
helicopter......
others..2.91.62.51.4
total100.0.100.0.100.0.
Western Plateauskidder49.414.551.54.951.34.7
forwarder50.614.547.54.947.84.7
mobile tower yarder..1.01.00.90.9
cable crane......
helicopter......
others......
total100.0.100.0.100.0.
Central Plateauskidder68.29.960.83.561.63.3
forwarder22.79.036.23.434.83.2
mobile tower yarder4.54.51.50.91.80.9
cable crane4.54.51.50.91.80.9
helicopter......
others......
total100.0.100.0.100.0.
Eastern Plateauskidder58.811.958.42.958.42.8
forwarder17.69.335.72.834.72.7
mobile tower yarder11.87.84.11.24.51.2
cable crane..0.30.30.30.3
helicopter5.95.70.30.30.60.5
others5.95.71.00.61.30.6
total100.0.100.0.100.0.
Western Pre-Alpsskidder41.16.037.37.439.64.7
forwarder1.51.511.64.95.42.2
mobile tower yarder35.35.820.86.229.74.4
cable crane11.83.918.66.014.43.3
helicopter10.33.711.64.910.83.0
others......
total100.0.100.0.100.0.
Central Pre-Alpsskidder41.94.350.44.346.23.1
forwarder3.11.55.92.04.51.3
mobile tower yarder20.23.521.53.520.82.5
cable crane24.83.811.92.818.22.4
helicopter10.12.710.42.610.21.9
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsskidder47.34.854.25.550.33.6
forwarder7.32.59.63.28.32.0
mobile tower yarder20.03.88.43.115.02.6
cable crane14.53.44.82.410.42.2
helicopter10.93.019.34.314.52.5
others..3.62.01.60.9
total100.0.100.0.100.0.
Northwestern Alpsskidder22.34.130.06.524.93.5
forwarder..2.02.00.70.7
mobile tower yarder36.94.828.06.434.03.8
cable crane22.34.120.05.721.53.3
helicopter18.53.820.05.719.03.2
others......
total100.0.100.0.100.0.
Central Alpsskidder11.05.222.48.115.84.6
forwarder2.72.7..1.61.6
mobile tower yarder32.47.714.76.824.95.4
cable crane29.77.518.77.625.05.4
helicopter24.37.144.29.632.75.9
others......
total100.0.100.0.100.0.
Northeastern Alpsskidder29.36.027.39.528.85.1
forwarder......
mobile tower yarder8.63.718.28.311.23.5
cable crane46.66.631.810.042.55.6
helicopter15.54.822.79.017.54.3
others......
total100.0.100.0.100.0.
Southwestern Alpsskidder22.62.937.76.226.02.7
forwarder2.41.09.83.84.01.2
mobile tower yarder25.03.016.54.823.12.6
cable crane10.82.11.61.68.81.7
helicopter38.73.434.36.137.72.9
others0.50.5..0.40.4
total100.0.100.0.100.0.
Southeastern Alpsskidder18.62.827.03.722.22.3
forwarder3.61.312.42.77.41.4
mobile tower yarder25.83.115.93.021.62.2
cable crane31.43.322.13.527.52.4
helicopter20.62.922.63.521.42.2
others......
total100.0.100.0.100.0.
Southern Alpsskidder9.41.717.45.310.61.7
forwarder2.10.83.92.72.40.8
mobile tower yarder12.92.011.84.512.71.8
cable crane17.52.317.75.417.52.1
helicopter56.32.945.37.054.62.7
others1.70.83.92.72.10.8
total100.0.100.0.100.0.
Switzerlandskidder28.01.250.51.240.40.8
forwarder5.10.625.71.016.40.6
mobile tower yarder20.81.18.50.714.10.6
cable crane18.91.16.00.611.80.6
helicopter26.21.18.50.716.40.6
others1.00.30.80.20.90.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162771/149150

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionmain type of harvest1000 ha± %1000 ha± %1000 ha± %
Western Juraskidder18.61378.9597.44
forwarder5.02631.51036.59
mobile tower yarder3.9304.6278.620
cable crane1.1581.1582.141
helicopter1.1580.41001.450
others2.1410.7712.935
total31.810117.13148.92
Eastern Juraskidder2.04416.21318.112
forwarder3.23422.11025.39
mobile tower yarder0.41002.0442.440
cable crane......
helicopter......
others..1.2571.257
total5.52541.5447.03
Western Plateauskidder2.44021.81124.210
forwarder2.54020.11122.510
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others......
total4.92842.3547.24
Central Plateauskidder4.62537.6742.36
forwarder1.54422.41023.99
mobile tower yarder0.31000.9571.250
cable crane0.31000.9571.250
helicopter......
others......
total6.82061.9368.72
Eastern Plateauskidder3.63160.8564.35
forwarder1.15837.2838.28
mobile tower yarder0.7714.3285.026
cable crane..0.41000.4100
helicopter0.41000.41000.771
others0.41001.1581.450
total6.124104.02110.12
Western Pre-Alpsskidder10.3175.92316.313
forwarder0.41001.9442.240
mobile tower yarder8.9193.33312.215
cable crane3.0343.0345.923
helicopter2.6371.9444.428
others......
total25.2915.91341.14
Central Pre-Alpsskidder19.41224.41143.77
forwarder1.4502.9354.328
mobile tower yarder9.31910.41819.712
cable crane11.5175.72417.213
helicopter4.7275.0269.718
others......
total46.3748.4794.72
Eastern Pre-Alpsskidder18.61216.11334.68
forwarder2.9352.9355.724
mobile tower yarder7.9202.53710.417
cable crane5.7241.4507.121
helicopter4.3285.72410.018
others..1.1581.158
total39.3729.6968.93
Northwestern Alpsskidder8.2205.42513.615
forwarder..0.41000.4100
mobile tower yarder13.6155.02618.612
cable crane8.2203.63111.816
helicopter6.8223.63110.417
others......
total36.8717.91354.74
Central Alpsskidder1.4502.1403.531
forwarder0.3100..0.3100
mobile tower yarder4.1271.4495.523
cable crane3.8291.7445.523
helicopter3.1324.1277.220
others......
total12.7139.31722.18
Northeastern Alpsskidder6.1232.1408.219
forwarder......
mobile tower yarder1.8441.4493.232
cable crane9.7172.53712.215
helicopter3.2321.8445.025
others......
total20.8107.91928.76
Southwestern Alpsskidder16.5147.92024.411
forwarder1.7442.1413.830
mobile tower yarder18.2133.53121.612
cable crane7.9200.31008.220
helicopter28.1107.22135.39
others0.3100..0.3100
total72.7521.01293.73
Southeastern Alpsskidder12.71613.71526.411
forwarder2.5386.3238.819
mobile tower yarder17.6138.12025.711
cable crane21.41211.31732.79
helicopter14.11511.51725.511
others......
total68.2550.97119.03
Southern Alpsskidder9.6193.13312.716
forwarder2.1410.7712.835
mobile tower yarder13.1162.14115.215
cable crane17.7133.23320.912
helicopter57.078.22065.26
others1.8450.7712.538
total101.3418.013119.33
Switzerlandskidder133.85295.93429.82
forwarder24.612150.34174.84
mobile tower yarder99.7650.08149.64
cable crane90.2635.110125.35
helicopter125.3549.68174.94
others4.6284.7289.420
total478.22585.721063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162772/149151

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGless than 10 years ago33.327.383.93.382.63.3
11-20 years ago..11.93.011.62.9
21-30 years ago..1.71.21.71.2
31-40 years ago......
41-50 years ago33.327.31.71.22.51.4
over 50 years ago33.327.30.80.81.71.2
total100.0.100.0.100.0.
AIless than 10 years ago20.013.020.018.420.010.6
11-20 years ago40.015.860.022.546.713.2
21-30 years ago10.09.8..6.76.6
31-40 years ago..20.018.46.76.6
41-50 years ago20.013.0..13.39.0
over 50 years ago10.09.8..6.76.6
total100.0.100.0.100.0.
ARless than 10 years ago40.015.826.711.632.09.5
11-20 years ago30.014.840.012.936.09.8
21-30 years ago20.012.920.010.520.08.1
31-40 years ago10.09.76.76.68.05.5
41-50 years ago......
over 50 years ago..6.76.64.04.0
total100.0.100.0.100.0.
BEless than 10 years ago45.13.461.13.153.82.3
11-20 years ago20.22.716.92.418.41.8
21-30 years ago14.22.47.51.610.61.4
31-40 years ago5.91.65.11.45.51.0
41-50 years ago4.61.44.31.34.40.9
over 50 years ago10.02.05.11.47.41.2
total100.0.100.0.100.0.
BL/BSless than 10 years ago50.015.951.68.251.37.3
11-20 years ago20.012.832.67.829.96.7
21-30 years ago10.09.68.14.58.54.1
31-40 years ago10.09.62.72.74.33.0
41-50 years ago..2.22.21.71.7
over 50 years ago10.09.62.72.74.33.0
total100.0.100.0.100.0.
FRless than 10 years ago48.87.563.16.057.34.7
11-20 years ago15.65.423.05.220.03.8
21-30 years ago2.22.24.62.63.61.8
31-40 years ago15.65.43.12.28.22.6
41-50 years ago6.73.73.12.24.52.0
over 50 years ago11.14.73.12.26.42.3
total100.0.100.0.100.0.
GEless than 10 years ago..62.922.362.922.3
11-20 years ago......
21-30 years ago..37.122.337.122.3
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..100.0.100.0.
GLless than 10 years ago30.89.126.711.529.37.2
11-20 years ago23.18.326.711.524.46.8
21-30 years ago19.27.820.010.419.56.2
31-40 years ago7.75.36.76.57.34.1
41-50 years ago3.83.813.38.97.34.1
over 50 years ago15.47.16.76.512.25.2
total100.0.100.0.100.0.
GRless than 10 years ago19.12.526.23.521.82.0
11-20 years ago19.92.517.23.018.91.9
21-30 years ago15.52.313.32.714.71.8
31-40 years ago9.61.911.52.610.31.5
41-50 years ago6.81.65.71.96.41.2
over 50 years ago29.12.926.13.527.92.2
total100.0.100.0.100.0.
JUless than 10 years ago46.79.161.56.556.45.3
11-20 years ago30.08.417.65.121.94.4
21-30 years ago6.74.68.83.88.12.9
31-40 years ago6.74.67.03.46.92.7
41-50 years ago3.33.33.32.33.31.9
over 50 years ago6.74.61.81.83.52.0
total100.0.100.0.100.0.
LUless than 10 years ago27.39.566.04.759.24.4
11-20 years ago45.510.621.34.025.53.9
21-30 years ago18.28.34.12.06.52.2
31-40 years ago9.16.25.82.36.42.2
41-50 years ago..1.91.41.61.1
over 50 years ago..1.01.00.80.8
total100.0.100.0.100.0.
NEless than 10 years ago85.79.275.65.077.24.5
11-20 years ago..15.44.312.93.6
21-30 years ago7.16.91.71.72.61.8
31-40 years ago..5.92.95.02.4
41-50 years ago......
over 50 years ago7.16.91.41.42.31.6
total100.0.100.0.100.0.
NWless than 10 years ago..30.014.817.69.4
11-20 years ago57.119.040.015.847.112.3
21-30 years ago14.313.510.09.711.88.0
31-40 years ago......
41-50 years ago......
over 50 years ago28.617.420.012.923.510.5
total100.0.100.0.100.0.
OWless than 10 years ago57.79.824.18.641.27.0
11-20 years ago7.75.328.19.117.75.4
21-30 years ago..11.76.45.73.2
31-40 years ago..4.04.02.02.0
41-50 years ago3.83.816.17.49.84.2
over 50 years ago30.89.116.17.423.66.0
total100.0.100.0.100.0.
SGless than 10 years ago39.35.350.96.943.84.3
11-20 years ago27.44.917.05.223.43.6
21-30 years ago10.73.411.34.410.92.7
31-40 years ago8.33.05.73.27.32.2
41-50 years ago2.41.71.91.92.21.3
over 50 years ago11.93.513.24.712.42.8
total100.0.100.0.100.0.
SHless than 10 years ago50.035.852.98.652.88.4
11-20 years ago50.035.832.48.133.37.9
21-30 years ago..11.85.611.15.3
31-40 years ago......
41-50 years ago......
over 50 years ago..2.92.92.82.8
total100.0.100.0.100.0.
SOless than 10 years ago50.020.555.85.755.45.5
11-20 years ago..28.65.226.54.9
21-30 years ago..1.31.31.21.2
31-40 years ago..6.52.86.02.6
41-50 years ago..2.61.82.41.7
over 50 years ago50.020.55.22.58.43.1
total100.0.100.0.100.0.
SZless than 10 years ago47.57.935.58.642.35.9
11-20 years ago22.56.616.16.619.74.7
21-30 years ago7.54.23.23.25.62.8
31-40 years ago7.54.26.54.47.03.1
41-50 years ago10.04.86.54.48.43.3
over 50 years ago5.03.532.38.416.94.5
total100.0.100.0.100.0.
TGless than 10 years ago30.014.679.65.272.65.3
11-20 years ago30.014.610.03.912.84.0
21-30 years ago40.015.68.33.612.84.0
31-40 years ago..2.12.11.81.8
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
TIless than 10 years ago10.12.012.95.410.51.9
11-20 years ago7.41.712.95.48.21.7
21-30 years ago4.81.45.13.54.91.3
31-40 years ago4.41.42.62.54.11.2
41-50 years ago7.81.87.74.37.81.6
over 50 years ago65.53.158.87.964.62.9
total100.0.100.0.100.0.
URless than 10 years ago39.19.327.111.634.97.3
11-20 years ago17.87.36.56.413.85.3
21-30 years ago7.65.213.18.79.54.6
31-40 years ago14.26.66.56.411.54.9
41-50 years ago3.63.520.510.69.54.6
over 50 years ago17.87.326.211.320.76.2
total100.0.100.0.100.0.
VDless than 10 years ago31.46.349.53.645.63.2
11-20 years ago22.35.722.83.022.72.7
21-30 years ago16.75.110.52.211.82.1
31-40 years ago3.72.65.71.75.31.4
41-50 years ago9.34.05.71.76.51.6
over 50 years ago16.65.15.71.78.11.7
total100.0.100.0.100.0.
VSless than 10 years ago21.22.821.35.321.22.5
11-20 years ago16.52.516.44.816.52.2
21-30 years ago9.02.08.23.58.81.7
31-40 years ago4.21.44.92.84.41.2
41-50 years ago9.02.06.63.28.51.7
over 50 years ago40.13.442.56.340.63.0
total100.0.100.0.100.0.
ZGless than 10 years ago100.0.100.0.100.0.
11-20 years ago......
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
ZHless than 10 years ago50.025.174.13.773.43.7
11-20 years ago25.021.716.53.216.83.1
21-30 years ago..5.82.05.61.9
31-40 years ago..3.61.63.51.5
41-50 years ago......
over 50 years ago25.021.7..0.70.7
total100.0.100.0.100.0.
Switzerlandless than 10 years ago29.91.255.11.243.80.8
11-20 years ago18.21.019.21.018.80.7
21-30 years ago10.60.87.60.78.90.5
31-40 years ago6.40.75.10.55.70.4
41-50 years ago6.30.73.70.54.90.4
over 50 years ago28.51.29.30.718.00.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162789/149168

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago0.410039.8540.25
11-20 years ago..5.6255.625
21-30 years ago..0.8700.870
31-40 years ago......
41-50 years ago0.41000.8701.257
over 50 years ago0.41000.41000.870
total1.25747.5348.72
AIless than 10 years ago0.6690.31001.054
11-20 years ago1.3451.0542.330
21-30 years ago0.3100..0.3100
31-40 years ago..0.31000.3100
41-50 years ago0.669..0.669
over 50 years ago0.3100..0.3100
total3.2211.6394.811
ARless than 10 years ago1.3471.3472.630
11-20 years ago1.0551.9372.928
21-30 years ago0.6691.0551.641
31-40 years ago0.31000.31000.669
41-50 years ago......
over 50 years ago..0.31000.3100
total3.2254.8178.05
BEless than 10 years ago33.9953.4787.25
11-20 years ago15.11514.71529.910
21-30 years ago10.6186.52317.114
31-40 years ago4.4274.4278.919
41-50 years ago3.4313.8307.221
over 50 years ago7.5214.42712.016
total75.0587.35162.32
BL/BSless than 10 years ago2.0437.7199.815
11-20 years ago0.8704.9265.723
21-30 years ago0.41001.2571.649
31-40 years ago0.41000.41000.870
41-50 years ago..0.31000.3100
over 50 years ago0.41000.41000.870
total4.12915.01019.16
FRless than 10 years ago8.22015.31323.59
11-20 years ago2.6375.6248.220
21-30 years ago0.41001.1571.549
31-40 years ago2.6370.7703.432
41-50 years ago1.1570.7701.944
over 50 years ago1.9440.7702.637
total16.81224.3941.13
GEless than 10 years ago..1.4481.448
11-20 years ago......
21-30 years ago..0.8710.871
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..2.2342.234
GLless than 10 years ago3.1331.5494.626
11-20 years ago2.3391.5493.929
21-30 years ago1.9431.2573.133
31-40 years ago0.8700.41001.257
41-50 years ago0.41000.8701.257
over 50 years ago1.5490.41001.943
total10.0145.82215.88
GRless than 10 years ago16.81414.31531.110
11-20 years ago17.4139.41926.911
21-30 years ago13.6157.32120.912
31-40 years ago8.4206.32314.715
41-50 years ago5.9243.1339.119
over 50 years ago25.51114.31539.88
total87.6554.77142.33
JUless than 10 years ago5.52513.61319.110
11-20 years ago3.5323.9307.420
21-30 years ago0.8701.9442.736
31-40 years ago0.8701.6492.340
41-50 years ago0.41000.7711.158
over 50 years ago0.8700.41001.257
total11.71522.2833.93
LUless than 10 years ago1.94021.4923.38
11-20 years ago3.1316.92010.016
21-30 years ago1.3491.3502.635
31-40 years ago0.6701.9402.534
41-50 years ago..0.6700.670
over 50 years ago..0.31000.3100
total6.92032.4539.33
NEless than 10 years ago3.82717.3921.17
11-20 years ago..3.5283.528
21-30 years ago0.31000.41000.771
31-40 years ago..1.4501.450
41-50 years ago......
over 50 years ago0.31000.31000.670
total4.52522.9627.44
NWless than 10 years ago..1.2551.255
11-20 years ago1.5461.5463.129
21-30 years ago0.41000.41000.869
31-40 years ago......
41-50 years ago......
over 50 years ago0.8690.8691.546
total2.7323.8246.513
OWless than 10 years ago5.6222.2397.817
11-20 years ago0.7702.6363.431
21-30 years ago..1.1571.157
31-40 years ago..0.41000.4100
41-50 years ago0.41001.5491.943
over 50 years ago3.0331.5494.526
total9.7149.31519.04
SGless than 10 years ago11.9169.81821.711
11-20 years ago8.3203.23311.616
21-30 years ago3.2332.2405.425
31-40 years ago2.5371.1573.631
41-50 years ago0.7700.41001.157
over 50 years ago3.6312.5376.123
total30.4819.21249.54
SHless than 10 years ago0.41006.4176.816
11-20 years ago0.41003.9264.324
21-30 years ago..1.4481.448
31-40 years ago......
41-50 years ago......
over 50 years ago..0.41000.4100
total0.77012.1512.83
SOless than 10 years ago1.15716.31117.411
11-20 years ago..8.3198.319
21-30 years ago..0.41000.4100
31-40 years ago..1.9441.944
41-50 years ago..0.8700.870
over 50 years ago1.1571.5492.636
total2.34029.1531.44
SZless than 10 years ago6.9214.02810.915
11-20 years ago3.3321.8445.125
21-30 years ago1.1570.41001.449
31-40 years ago1.1570.7701.844
41-50 years ago1.4490.7702.240
over 50 years ago0.7703.6304.327
total14.51211.21425.75
TGless than 10 years ago0.95714.3915.28
11-20 years ago0.9571.8392.731
21-30 years ago1.2491.5432.731
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago......
total3.03018.0621.04
TIless than 10 years ago8.2201.84410.018
11-20 years ago6.1241.8447.921
21-30 years ago3.9300.7714.727
31-40 years ago3.6310.41003.930
41-50 years ago6.4231.1587.521
over 50 years ago53.768.22061.96
total82.0413.91595.94
URless than 10 years ago3.6281.4505.024
11-20 years ago1.7430.31002.039
21-30 years ago0.7710.7701.450
31-40 years ago1.3490.31001.744
41-50 years ago0.31001.0581.450
over 50 years ago1.7431.3493.031
total9.3155.02414.311
VDless than 10 years ago6.42436.0842.57
11-20 years ago4.62816.61421.212
21-30 years ago3.4337.62211.018
31-40 years ago0.8714.2304.927
41-50 years ago1.9444.2306.124
over 50 years ago3.4334.2307.522
total20.51272.7493.23
VSless than 10 years ago15.4144.52719.912
11-20 years ago12.0163.43115.414
21-30 years ago6.5221.7448.220
31-40 years ago3.1331.0584.128
41-50 years ago6.5221.4507.920
over 50 years ago29.2108.91938.18
total72.7521.01293.73
ZGless than 10 years ago3.9211.7445.69
11-20 years ago......
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago......
total3.9211.7445.69
ZHless than 10 years ago0.77036.3637.05
11-20 years ago0.41008.1198.519
21-30 years ago..2.8352.835
31-40 years ago..1.8441.844
41-50 years ago......
over 50 years ago0.4100..0.4100
total1.44949.0350.42
Switzerlandless than 10 years ago142.65323.33465.82
11-20 years ago87.06112.65199.64
21-30 years ago50.7844.3995.16
31-40 years ago30.71129.81160.57
41-50 years ago30.01121.91351.98
over 50 years ago136.2454.98191.04
total477.12586.821064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162790/149169

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimeterless than 10 years ago48.64.953.07.046.32.825.21.810.91.829.91.2
11-20 years ago21.34.021.65.823.82.419.81.67.31.518.31.0
21-30 years ago7.82.611.84.58.81.614.11.46.61.510.70.8
31-40 years ago6.82.53.92.76.81.47.11.04.91.36.40.7
41-50 years ago2.91.73.92.74.91.27.31.17.31.56.30.7
over 50 years ago12.63.35.93.39.41.726.51.863.02.928.41.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterless than 10 years ago56.12.477.21.743.73.127.52.611.84.555.11.2
11-20 years ago24.72.113.31.427.22.816.72.111.84.519.21.0
21-30 years ago7.61.35.10.97.71.612.11.97.93.87.50.7
31-40 years ago4.81.02.20.68.81.87.91.55.93.35.10.5
41-50 years ago3.90.90.70.35.41.47.21.57.93.83.70.5
over 50 years ago2.80.81.50.57.31.628.62.654.87.09.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago54.72.275.31.745.12.126.01.511.01.743.80.8
11-20 years ago24.11.814.01.425.31.818.81.38.01.518.80.7
21-30 years ago7.61.15.60.98.31.213.41.16.81.49.00.5
31-40 years ago5.21.02.30.67.71.17.40.95.01.25.70.4
41-50 years ago3.70.80.90.45.10.97.30.97.41.44.90.4
over 50 years ago4.70.91.90.58.51.227.21.561.72.717.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162791/149170

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago18.3149.51951.2752.6811.017142.55
11-20 years ago8.0213.93026.31141.597.42187.16
21-30 years ago2.9352.1419.71929.4106.72350.98
31-40 years ago2.6380.7717.62114.9155.02630.711
41-50 years ago1.1580.7715.42615.2157.42129.811
over 50 years ago4.7271.15810.51855.3763.86135.34
total37.6917.914110.74208.93101.34476.32
outside of perimeterless than 10 years ago88.75160.9341.1929.1112.141321.92
11-20 years ago39.1927.81125.61117.7142.141112.25
21-30 years ago12.01710.5187.22212.8161.45044.19
31-40 years ago7.7214.6288.3208.3201.15829.911
41-50 years ago6.2241.4505.0267.6211.45021.713
over 50 years ago4.4293.2336.82330.2109.91854.58
total158.13208.4294.15105.8518.013584.32
totalless than 10 years ago107.04170.4392.3581.7613.116464.42
11-20 years ago47.1831.61051.9759.179.619199.34
21-30 years ago15.01512.71616.91442.298.12095.06
31-40 years ago10.2185.32615.91523.2126.02460.67
41-50 years ago7.3222.14110.51822.9128.82051.58
over 50 years ago9.1204.22917.31485.5673.65189.84
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162792/149171
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