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NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%..2.2410.7710.7710.41001.4505.326
21-40%..5.4262.2413.1335.3253.63119.613
41-60%1.15813.3168.52019.61223.21112.51678.16
61-80%6.82333.91016.61425.01120.41230.110132.85
over 80%24.71247.6837.6820.21212.31658.46200.84
total32.610102.4465.6668.6561.56105.94436.52
outside perimeter0-20%5.7251.1580.7710.31001.4500.41009.619
21-40%7.9214.3295.2265.5259.5193.93036.310
41-60%25.81119.51311.41712.01625.2118.820102.66
61-80%89.4638.6916.01412.41629.21010.218195.84
over 80%268.6237.9930.7910.31814.01516.614378.02
total397.41101.3564.1640.5879.1539.88722.31
total0-20%5.7253.2331.4501.0581.7451.84514.915
21-40%7.9219.7197.5228.61914.7157.42155.88
41-60%26.81132.81019.91331.6948.4721.312180.74
61-80%96.2572.5632.6937.4849.6740.38328.63
over 80%293.3285.5568.3530.5926.31175.05578.82
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164303/150684

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..1.30.61.20.5
21-40%..2.20.81.90.7
41-60%4.02.88.21.47.71.3
61-80%21.65.826.62.326.02.1
over 80%74.56.161.72.563.22.3
total100.0.100.0.100.0.
Eastern Jura0-20%..2.51.52.51.4
21-40%..0.80.80.80.8
41-60%..4.21.94.11.8
61-80%..14.43.214.03.2
over 80%100.0.77.93.878.73.7
total100.0.100.0.100.0.
Western Plateau0-20%..2.81.62.61.5
21-40%..1.91.31.71.2
41-60%..11.23.010.22.8
61-80%30.414.725.04.225.44.0
over 80%69.614.759.24.760.14.5
total100.0.100.0.100.0.
Central Plateau0-20%..1.40.81.40.8
21-40%..1.00.70.90.6
41-60%8.38.05.71.65.91.6
61-80%25.012.523.02.923.12.8
over 80%66.713.668.93.268.83.1
total100.0.100.0.100.0.
Eastern Plateau0-20%..0.70.50.60.5
21-40%..3.01.02.90.9
41-60%..4.01.13.81.1
61-80%14.39.419.42.319.22.2
over 80%85.79.372.92.673.52.5
total100.0.100.0.100.0.
Western Pre-Alps0-20%1.61.6..0.80.8
21-40%7.93.48.63.78.22.5
41-60%20.75.122.45.521.53.7
61-80%31.85.925.95.829.04.1
over 80%38.16.143.26.540.54.5
total100.0.100.0.100.0.
Central Pre-Alps0-20%0.80.81.41.01.10.6
21-40%3.21.61.41.02.20.9
41-60%8.02.419.03.214.02.1
61-80%36.84.342.24.139.73.0
over 80%51.24.536.04.043.03.0
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%1.01.00.90.91.00.7
21-40%3.01.73.81.93.41.3
41-60%7.92.715.23.511.62.2
61-80%26.74.423.84.225.23.0
over 80%61.44.956.24.858.73.4
total100.0.100.0.100.0.
Northwestern Alps0-20%4.22.01.31.32.91.3
21-40%6.22.56.62.86.41.9
41-60%14.63.617.14.315.72.8
61-80%29.24.739.45.633.73.6
over 80%45.85.135.65.541.33.8
total100.0.100.0.100.0.
Central Alps0-20%..2.32.31.31.3
21-40%2.92.811.95.07.93.1
41-60%17.16.425.76.721.94.7
61-80%20.06.830.17.025.65.0
over 80%60.18.329.97.043.45.6
total100.0.100.0.100.0.
Northeastern Alps0-20%1.91.9..1.11.1
21-40%3.82.616.76.29.03.0
41-60%18.95.413.95.816.94.0
61-80%26.46.122.27.024.74.6
over 80%49.06.947.28.448.35.3
total100.0.100.0.100.0.
Southwestern Alps0-20%1.00.70.80.80.90.5
21-40%4.51.513.63.27.91.5
41-60%28.53.229.74.228.92.5
61-80%36.53.430.54.234.32.7
over 80%29.53.225.44.028.02.5
total100.0.100.0.100.0.
Southeastern Alps0-20%0.60.61.70.91.20.5
21-40%8.62.112.02.210.51.5
41-60%37.73.731.83.134.42.4
61-80%33.13.636.93.235.22.4
over 80%20.03.017.62.518.71.9
total100.0.100.0.100.0.
Southern Alps0-20%1.30.70.90.91.20.5
21-40%3.41.09.72.85.11.1
41-60%11.81.922.13.914.61.7
61-80%28.42.625.64.127.62.2
over 80%55.12.941.74.651.52.5
total100.0.100.0.100.0.
Switzerland0-20%1.20.31.30.31.30.2
21-40%4.40.65.00.54.80.4
41-60%17.81.114.20.815.60.6
61-80%30.41.327.11.028.30.8
over 80%46.11.452.41.150.00.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164304/150685

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%..1.8451.845
21-40%..2.9352.935
41-60%0.77111.11711.817
61-80%3.93035.8939.78
over 80%13.51683.1596.74
total18.213134.62152.82
Eastern Jura0-20%..1.2571.257
21-40%..0.41000.4100
41-60%..2.0442.044
61-80%..6.7236.723
over 80%1.64936.3637.95
total1.64946.6348.22
Western Plateau0-20%..1.2571.257
21-40%..0.8700.870
41-60%..4.9284.928
61-80%1.25711.11712.316
over 80%2.83726.3929.18
total4.13144.3448.43
Central Plateau0-20%..0.9570.957
21-40%..0.6710.671
41-60%0.31003.7284.027
61-80%0.95714.91315.913
over 80%2.53544.8547.25
total3.72865.0368.72
Eastern Plateau0-20%..0.7710.771
21-40%..3.2333.233
41-60%..4.3284.328
61-80%0.77120.71221.412
over 80%4.32877.9482.24
total5.026106.92111.92
Western Pre-Alps0-20%0.4100..0.4100
21-40%1.8441.8443.731
41-60%4.8264.8279.618
61-80%7.4215.52513.015
over 80%8.9199.31818.112
total23.3921.41044.84
Central Pre-Alps0-20%0.41000.7711.158
21-40%1.4500.7712.241
41-60%3.63110.01813.615
61-80%16.51422.21138.78
over 80%22.91119.01341.97
total44.8752.7697.52
Eastern Pre-Alps0-20%0.41000.41000.771
21-40%1.1571.4502.537
41-60%2.9355.7248.620
61-80%9.6188.91918.612
over 80%22.11121.11143.26
total36.1837.5773.63
Northwestern Alps0-20%1.4500.41001.844
21-40%2.1401.8443.929
41-60%5.0264.7279.618
61-80%10.01810.71720.711
over 80%15.7139.71825.410
total34.3727.2961.54
Central Alps0-20%..0.31000.3100
21-40%0.31001.8442.140
41-60%2.1403.8295.923
61-80%2.4374.5266.920
over 80%7.2204.52611.714
total12.11414.91327.07
Northeastern Alps0-20%0.4100..0.4100
21-40%0.7712.1402.935
41-60%3.6311.8445.425
61-80%5.0252.9347.919
over 80%9.3176.12215.412
total19.01112.91431.96
Southwestern Alps0-20%0.7710.31001.058
21-40%3.1335.5258.619
41-60%19.61212.01631.69
61-80%25.01112.41637.48
over 80%20.21210.31830.59
total68.6540.58109.13
Southeastern Alps0-20%0.41001.4501.745
21-40%5.3259.51914.715
41-60%23.21125.21148.47
61-80%20.41229.21049.67
over 80%12.31614.01526.311
total61.5679.15140.62
Southern Alps0-20%1.4500.41001.845
21-40%3.6313.9307.421
41-60%12.5168.82021.312
61-80%30.11010.21840.38
over 80%58.4616.61475.05
total105.9439.88145.72
Switzerland0-20%5.3269.71915.015
21-40%19.51336.51055.98
41-60%78.26102.86181.04
61-80%133.35195.84329.03
over 80%201.94378.82580.72
total438.12723.611161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164305/150686

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track29.66.239.76.216.11.614.02.616.43.23.61.114.51.0
road and skidding road46.36.833.35.911.31.44.51.61.51.06.21.410.70.9
road and cable line11.14.315.94.651.32.239.93.758.94.329.82.641.61.4
road and flight path3.72.6..9.31.337.13.623.13.650.52.924.21.2
no access intended9.33.911.14.012.01.44.51.6..9.81.78.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track53.12.371.81.721.41.925.24.226.83.25.22.145.31.0
road and skidding road36.62.217.61.59.81.48.42.78.32.012.83.118.80.8
road and cable line5.21.02.70.634.22.220.63.938.03.524.14.016.00.8
road and flight path0.20.20.20.210.31.443.94.826.43.134.34.49.20.6
no access intended5.01.07.71.024.32.01.91.30.50.523.73.910.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track50.72.269.11.718.71.318.22.322.62.34.01.033.70.7
road and skidding road37.52.119.01.510.61.06.01.45.51.38.01.315.70.6
road and cable line5.81.03.90.743.11.632.62.846.62.828.22.225.70.7
road and flight path0.60.30.10.19.81.039.62.925.12.446.02.414.80.6
no access intended5.41.08.01.017.91.23.51.10.30.313.71.710.10.5
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 #164306/150687

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track5.8258.82028.8118.6197.8213.93063.77
road and skidding road9.0207.42220.2132.7350.7716.82346.99
road and cable line2.2413.53191.9524.31127.91032.410182.14
road and flight path0.771..16.71422.61111.01754.97105.85
no access intended1.8452.53821.4132.735..10.71839.19
total19.51322.312179.0360.9547.47108.64437.52
outside perimeterroad and skidding track92.65168.7335.6109.31918.4132.241326.62
road and skidding road63.8641.4916.3143.1335.7255.326135.55
road and cable line9.0206.42356.777.62126.11110.018115.75
road and flight path0.41000.410017.01416.11418.11314.21566.17
no access intended8.62018.01440.390.7710.41009.81977.87
total174.42234.82166.0436.7868.6541.48721.81
totalroad and skidding track98.44177.5364.4717.81326.1116.124390.32
road and skidding road72.8648.8836.695.8246.42312.017182.44
road and cable line11.2179.919148.6431.8954.0642.38297.83
road and flight path1.1580.410033.71038.7829.11069.06171.94
no access intended10.41820.51361.773.4310.410020.512116.95
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164307/150688

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonconcept of transportation system %± %± %±
AGroad and skidding track..61.54.461.54.4
road and skidding road..32.04.232.04.2
road and cable line......
road and flight path......
no access intended..6.62.26.62.2
total..100.0.100.0.
AIroad and skidding track44.416.969.317.855.512.6
road and skidding road22.214.216.814.819.810.3
road and cable line22.214.213.913.218.59.9
road and flight path11.110.8..6.26.1
no access intended......
total100.0.100.0.100.0.
ARroad and skidding track71.417.261.111.664.09.6
road and skidding road..22.210.016.07.5
road and cable line28.617.416.79.020.08.2
road and flight path......
no access intended......
total100.0.100.0.100.0.
BEroad and skidding track19.02.947.32.836.82.2
road and skidding road20.73.021.22.321.01.8
road and cable line46.83.720.92.330.52.1
road and flight path2.71.21.60.72.00.6
no access intended10.92.39.01.69.71.3
total100.0.100.0.100.0.
BL/BSroad and skidding track40.022.158.97.257.16.9
road and skidding road60.022.132.36.935.16.7
road and cable line..6.53.75.93.3
road and flight path......
no access intended..2.22.22.02.0
total100.0.100.0.100.0.
FRroad and skidding track22.86.355.85.943.04.6
road and skidding road13.55.211.43.812.33.1
road and cable line45.57.515.74.427.24.2
road and flight path......
no access intended18.25.817.14.517.53.6
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 line62.210.666.79.764.67.2
road and flight path9.66.512.56.811.14.7
no access intended28.39.920.88.424.36.4
total100.0.100.0.100.0.
GRroad and skidding track16.02.427.52.822.01.9
road and skidding road1.70.97.21.64.61.0
road and cable line57.73.237.73.147.32.3
road and flight path22.42.725.22.723.91.9
no access intended2.21.02.30.92.30.7
total100.0.100.0.100.0.
JUroad and skidding track28.69.948.66.243.75.3
road and skidding road57.110.846.96.249.45.4
road and cable line4.84.7..1.21.2
road and flight path......
no access intended9.56.44.62.65.82.5
total100.0.100.0.100.0.
LUroad and skidding track14.37.726.34.324.33.8
road and skidding road..12.23.210.22.7
road and cable line33.310.34.72.19.42.6
road and flight path......
no access intended52.410.956.94.856.14.4
total100.0.100.0.100.0.
NEroad and skidding track20.018.053.65.551.75.4
road and skidding road60.022.041.65.542.65.3
road and cable line......
road and flight path......
no access intended20.018.04.82.45.72.5
total100.0.100.0.100.0.
NWroad and skidding track14.313.5..5.05.0
road and skidding road14.313.57.77.610.06.9
road and cable line28.617.438.513.835.010.9
road and flight path14.313.515.410.215.08.2
no access intended28.617.438.513.835.010.9
total100.0.100.0.100.0.
OWroad and skidding track..3.63.62.02.0
road and skidding road8.75.910.75.99.84.2
road and cable line52.210.549.89.550.97.1
road and flight path26.19.214.36.719.65.6
no access intended13.07.121.57.817.75.4
total100.0.100.0.100.0.
SGroad and skidding track31.25.247.16.038.74.0
road and skidding road18.84.417.14.518.03.1
road and cable line36.25.414.34.226.03.6
road and flight path12.53.720.04.816.03.0
no access intended1.31.21.41.41.30.9
total100.0.100.0.100.0.
SHroad and skidding track..83.36.083.36.0
road and skidding road..13.95.813.95.8
road and cable line..2.82.82.82.8
road and flight path......
no access intended......
total..100.0.100.0.
SOroad and skidding track25.021.857.55.656.05.4
road and skidding road50.025.130.05.231.05.1
road and cable line..10.03.49.53.2
road and flight path......
no access intended25.021.82.51.83.62.0
total100.0.100.0.100.0.
SZroad and skidding track2.62.65.03.53.82.2
road and skidding road21.16.77.54.214.14.0
road and cable line52.68.120.06.435.95.5
road and flight path2.62.65.03.53.82.2
no access intended21.06.662.57.742.35.6
total100.0.100.0.100.0.
TGroad and skidding track60.015.688.64.184.64.3
road and skidding road30.014.611.44.114.04.1
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 track2.51.03.52.02.70.9
road and skidding road7.01.616.03.99.41.6
road and cable line23.12.718.54.221.92.3
road and flight path57.13.235.85.251.52.8
no access intended10.32.026.34.714.51.9
total100.0.100.0.100.0.
URroad and skidding track3.83.818.17.411.34.4
road and skidding road4.44.211.06.07.83.8
road and cable line57.49.725.18.340.66.7
road and flight path26.88.724.68.125.76.0
no access intended7.75.221.17.714.74.8
total100.0.100.0.100.0.
VDroad and skidding track8.44.055.13.446.73.1
road and skidding road6.43.622.92.920.02.5
road and cable line53.37.38.01.916.12.3
road and flight path16.95.54.21.46.51.5
no access intended14.95.29.82.010.81.9
total100.0.100.0.100.0.
VSroad and skidding track14.52.526.34.118.92.2
road and skidding road5.01.510.12.86.91.4
road and cable line42.03.521.23.834.32.7
road and flight path34.53.440.64.536.82.7
no access intended4.01.41.71.23.11.0
total100.0.100.0.100.0.
ZGroad and skidding track33.316.280.018.550.013.8
road and skidding road11.110.820.018.514.39.7
road and cable line55.617.0..35.713.2
road and flight path......
no access intended......
total100.0.100.0.100.0.
ZHroad and skidding track..76.03.674.53.6
road and skidding road33.327.312.02.712.42.7
road and cable line66.727.311.32.712.42.7
road and flight path......
no access intended..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track14.41.045.41.033.80.8
road and skidding road10.80.919.00.915.90.6
road and cable line41.61.415.90.825.60.7
road and flight path24.31.29.10.614.80.6
no access intended8.90.810.60.69.90.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164308/150689

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track..30.2730.27
road and skidding road..15.71315.713
road and cable line......
road and flight path......
no access intended..3.2343.234
total..49.1249.12
AIroad and skidding track1.3451.6392.924
road and skidding road0.6690.41001.057
road and cable line0.6690.31001.054
road and flight path0.3100..0.3100
no access intended......
total2.9242.3335.212
ARroad and skidding track1.6413.5235.116
road and skidding road..1.3471.347
road and cable line0.6691.0551.641
road and flight path......
no access intended......
total2.2335.8148.05
BEroad and skidding track12.01650.4762.36
road and skidding road13.01622.61235.69
road and cable line29.41022.31251.77
road and flight path1.7451.7453.431
no access intended6.8229.61916.514
total63.06106.54169.52
BL/BSroad and skidding track0.87011.01411.813
road and skidding road1.2576.0237.320
road and cable line..1.2571.257
road and flight path......
no access intended..0.41000.4100
total2.04318.7720.75
FRroad and skidding track3.73014.61318.311
road and skidding road2.2403.0345.225
road and cable line7.5204.12911.616
road and flight path......
no access intended3.0344.5287.521
total16.41226.1842.63
GEroad and skidding track..3.1203.120
road and skidding road......
road and cable line......
road and flight path......
no access intended......
total..3.1203.120
GLroad and skidding track......
road and skidding road......
road and cable line5.0246.22111.213
road and flight path0.8701.2571.943
no access intended2.3401.9434.228
total8.1189.21617.37
GRroad and skidding track12.91624.11137.19
road and skidding road1.4506.3237.721
road and cable line46.8733.1979.85
road and flight path18.21322.11240.38
no access intended1.7452.1413.830
total81.0587.65168.62
JUroad and skidding track2.34012.51414.812
road and skidding road4.72712.01516.711
road and cable line0.4100..0.4100
road and flight path......
no access intended0.8701.2571.944
total8.21925.7733.93
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 intended3.52919.01022.59
total6.62033.4540.03
NEroad and skidding track0.310014.21214.611
road and skidding road1.05711.01412.013
road and cable line......
road and flight path......
no access intended0.31001.3491.644
total1.64426.6528.24
NWroad and skidding track0.4100..0.4100
road and skidding road0.41000.41000.869
road and cable line0.8691.9402.732
road and flight path0.41000.8691.255
no access intended0.8691.9402.732
total2.7325.0197.78
OWroad and skidding track..0.41000.4100
road and skidding road0.7701.1571.943
road and cable line4.5265.2249.715
road and flight path2.2391.5493.729
no access intended1.1572.2393.431
total8.61610.41419.04
SGroad and skidding track9.01911.91621.011
road and skidding road5.4254.3289.818
road and cable line10.5173.63114.114
road and flight path3.6315.1268.719
no access intended0.41000.41000.770
total28.9925.31054.24
SHroad and skidding track..10.7810.78
road and skidding road..1.8421.842
road and cable line..0.41000.4100
road and flight path......
no access intended......
total..12.8312.83
SOroad and skidding track0.410017.41017.810
road and skidding road0.8709.1189.817
road and cable line..3.0343.034
road and flight path......
no access intended0.41000.8701.157
total1.54930.3431.83
SZroad and skidding track0.41000.7701.157
road and skidding road2.9341.1574.029
road and cable line7.2202.93410.116
road and flight path0.41000.7701.157
no access intended2.9349.11812.014
total13.81214.51228.35
TGroad and skidding track1.83916.2818.06
road and skidding road0.9572.1363.030
road and cable line0.3100..0.3100
road and flight path......
no access intended......
total3.03018.3621.33
TIroad and skidding track2.1411.1583.233
road and skidding road6.1245.02611.117
road and cable line20.0125.72425.711
road and flight path49.4711.11760.56
no access intended9.0198.22017.114
total86.6431.010117.72
URroad and skidding track0.31001.7442.040
road and skidding road0.41001.0581.450
road and cable line5.0232.4377.318
road and flight path2.3362.3364.624
no access intended0.7702.0392.634
total8.6169.41618.09
VDroad and skidding track1.55044.6746.17
road and skidding road1.15818.61319.713
road and cable line9.5196.52416.014
road and flight path3.0353.4336.424
no access intended2.7378.02110.618
total17.81381.1498.92
VSroad and skidding track9.91810.61720.612
road and skidding road3.4314.1287.521
road and cable line28.8108.61937.48
road and flight path23.71116.51440.18
no access intended2.7350.7713.431
total68.6540.58109.13
ZGroad and skidding track1.3531.7443.028
road and skidding road0.41000.41000.968
road and cable line2.137..2.137
road and flight path......
no access intended......
total3.9212.1386.06
ZHroad and skidding track..38.1538.15
road and skidding road0.41006.0236.422
road and cable line0.7705.6246.322
road and flight path......
no access intended..0.41000.4100
total1.15750.1351.12
Switzerlandroad and skidding track63.17329.23392.32
road and skidding road47.18137.45184.54
road and cable line181.94115.55297.43
road and flight path106.0566.37172.34
no access intended38.9976.76115.65
total437.02725.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164309/150690

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %±
inside perimeterroad and skidding track29.16.141.78.222.12.413.61.53.01.014.61.0
road and skidding road45.46.736.18.017.32.24.70.96.01.410.80.9
road and cable line10.94.28.34.641.52.953.42.129.42.641.51.4
road and flight path3.62.5..6.91.522.21.851.52.924.21.2
no access intended10.94.213.95.812.11.96.11.010.01.78.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track53.72.272.71.827.42.523.21.93.61.745.31.0
road and skidding road35.82.217.01.514.52.07.61.213.23.218.90.9
road and cable line4.40.93.40.724.52.435.82.124.94.115.90.8
road and flight path0.20.20.20.26.51.425.92.033.84.59.20.6
no access intended5.91.16.71.027.12.57.41.224.64.010.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.32.171.01.824.91.818.21.23.20.933.70.7
road and skidding road36.72.118.11.515.91.56.10.78.01.315.80.6
road and cable line5.10.93.70.732.71.945.11.528.22.225.50.7
road and flight path0.50.30.20.26.71.023.91.346.72.514.80.6
no access intended6.41.07.11.019.91.66.70.814.01.710.10.5
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 #164310/150691

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track5.8255.32623.11226.3113.23363.77
road and skidding road9.1204.62718.0149.0196.42347.19
road and cable line2.2411.15843.38103.3531.110181.04
road and flight path0.771..7.22242.9954.67105.45
no access intended2.2411.84512.61611.81710.61839.09
total20.11312.716104.24193.43105.94436.22
outside perimeterroad and skidding track97.15157.4330.61040.291.450326.82
road and skidding road64.6636.9916.21413.2165.326136.25
road and cable line8.0217.42227.41162.179.918114.85
road and flight path0.41000.41007.22244.9813.51666.37
no access intended10.61814.41530.31012.9169.81978.07
total180.72216.52111.74173.4439.88722.11
totalroad and skidding track102.94162.7353.7766.674.627390.52
road and skidding road73.7641.5834.21022.21211.617183.34
road and cable line10.2188.42070.66165.5441.18295.83
road and flight path1.1580.410014.41587.8668.06171.74
no access intended12.81616.21442.9824.71220.412117.05
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164311/150692

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track34.15.013.72.020.22.914.52.519.53.03.01.014.61.0
road and skidding road41.85.213.02.013.72.55.01.51.71.06.01.410.70.9
road and cable line9.93.151.43.045.83.642.03.558.33.729.42.641.61.4
road and flight path2.21.56.31.411.12.334.53.420.63.151.52.924.11.2
no access intended12.13.415.52.19.22.14.01.4..10.01.79.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track64.31.417.82.328.33.326.34.130.23.13.61.745.31.0
road and skidding road25.41.312.52.010.32.210.12.87.61.813.23.218.80.9
road and cable line3.90.634.22.827.73.321.23.836.73.224.94.116.00.8
road and flight path0.20.16.81.513.72.640.64.525.02.933.84.59.10.6
no access intended6.30.728.82.720.02.91.71.20.40.424.64.010.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track62.01.415.81.524.22.218.92.225.52.23.20.933.70.7
road and skidding road26.61.312.71.412.01.76.91.45.01.18.01.315.70.6
road and cable line4.30.642.82.136.92.534.32.746.12.528.22.225.60.7
road and flight path0.30.26.51.012.41.736.82.723.12.146.72.514.80.6
no access intended6.70.722.11.714.51.83.11.00.20.214.01.710.10.5
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 #164312/150693

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track11.11814.11613.3169.91812.0173.23363.57
road and skidding road13.61613.3169.0193.4311.1586.42346.89
road and cable line3.23352.6730.01028.81035.8931.110181.74
road and flight path0.7716.5237.32123.71112.61654.67105.45
no access intended3.93015.9156.0242.735..10.61839.29
total32.610102.4465.6668.6561.56105.94436.52
outside perimeterroad and skidding track255.4318.01418.11310.61723.9111.450327.62
road and skidding road100.9512.6166.6234.1286.0245.326135.55
road and cable line15.41534.6917.8138.61929.1109.918115.45
road and flight path0.7716.9238.82016.51419.81313.51666.17
no access intended25.01229.21012.8160.7710.41009.81977.96
total397.41101.3564.1640.5879.1539.88722.31
totalroad and skidding track266.5232.11031.41020.61235.994.627391.12
road and skidding road114.5526.01115.6147.5217.02211.617182.34
road and cable line18.61487.3547.8737.4864.9641.18297.03
road and flight path1.45013.31616.01440.1832.4968.06171.44
no access intended29.01145.1818.8133.4310.410020.412117.15
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164313/150694

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system %± %± %±
Western Juraroad and skidding track27.46.351.52.648.62.4
road and skidding road45.17.036.62.537.62.3
road and cable line11.84.54.81.15.61.1
road and flight path3.92.70.30.30.70.4
no access intended11.84.56.91.37.51.3
total100.0.100.0.100.0.
Eastern Juraroad and skidding track50.025.161.14.560.74.4
road and skidding road50.025.133.04.333.54.3
road and cable line..3.41.73.31.6
road and flight path......
no access intended..2.51.52.51.4
total100.0.100.0.100.0.
Western Plateauroad and skidding track49.315.974.94.272.74.1
road and skidding road30.414.716.73.617.93.5
road and cable line..0.90.90.90.9
road and flight path......
no access intended20.312.87.42.58.52.6
total100.0.100.0.100.0.
Central Plateauroad and skidding track25.012.566.03.363.83.2
road and skidding road41.714.318.12.719.42.7
road and cable line8.38.03.31.23.61.3
road and flight path......
no access intended25.012.512.52.313.22.3
total100.0.100.0.100.0.
Eastern Plateauroad and skidding track50.013.476.62.575.42.4
road and skidding road35.712.816.42.117.32.1
road and cable line14.39.44.31.24.81.2
road and flight path..0.30.30.30.3
no access intended..2.30.92.20.8
total100.0.100.0.100.0.
Western Pre-Alpsroad and skidding track22.35.336.26.329.04.1
road and skidding road9.53.75.22.97.42.4
road and cable line49.26.336.26.343.04.5
road and flight path3.22.26.93.35.02.0
no access intended15.94.615.54.815.73.3
total100.0.100.0.100.0.
Central Pre-Alpsroad and skidding track15.23.212.22.713.62.1
road and skidding road20.03.618.43.219.12.4
road and cable line41.64.425.23.632.72.8
road and flight path7.22.34.11.65.51.4
no access intended16.03.340.14.029.02.8
total100.0.100.0.100.0.
Eastern Pre-Alpsroad and skidding track30.74.643.84.937.43.4
road and skidding road18.83.914.33.416.52.6
road and cable line36.64.817.13.726.73.1
road and flight path8.92.89.52.99.22.0
no access intended5.02.215.23.510.22.1
total100.0.100.0.100.0.
Northwestern Alpsroad and skidding track6.22.514.54.19.92.3
road and skidding road6.22.56.62.96.41.9
road and cable line65.64.849.95.758.73.8
road and flight path7.32.711.83.79.32.2
no access intended14.63.617.14.315.72.8
total100.0.100.0.100.0.
Central Alpsroad and skidding track2.92.811.74.97.73.1
road and skidding road5.94.17.14.06.62.8
road and cable line57.08.427.86.940.95.6
road and flight path20.06.818.45.919.14.5
no access intended14.35.934.97.325.75.0
total100.0.100.0.100.0.
Northeastern Alpsroad and skidding track11.34.42.82.87.92.9
road and skidding road9.44.02.82.86.72.7
road and cable line56.66.858.38.357.35.3
road and flight path9.44.019.46.613.53.6
no access intended13.24.716.76.214.63.8
total100.0.100.0.100.0.
Southwestern Alpsroad and skidding track14.52.526.34.118.92.2
road and skidding road5.01.510.12.86.91.4
road and cable line42.03.521.23.834.32.7
road and flight path34.53.440.64.536.82.7
no access intended4.01.41.71.23.11.0
total100.0.100.0.100.0.
Southeastern Alpsroad and skidding track19.53.030.23.125.52.2
road and skidding road1.71.07.61.85.01.1
road and cable line58.33.736.73.246.12.5
road and flight path20.63.125.02.923.12.1
no access intended..0.40.40.20.2
total100.0.100.0.100.0.
Southern Alpsroad and skidding track3.01.03.61.73.20.9
road and skidding road6.01.413.23.28.01.3
road and cable line29.42.624.94.128.22.2
road and flight path51.52.933.84.546.72.5
no access intended10.01.724.64.014.01.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track14.61.045.41.033.80.7
road and skidding road10.70.918.80.915.80.6
road and cable line41.61.416.00.825.60.7
road and flight path24.11.29.10.614.80.6
no access intended8.90.810.70.710.00.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164314/150695

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track5.02669.3674.35
road and skidding road8.22049.3757.56
road and cable line2.1416.4238.620
road and flight path0.7710.41001.158
no access intended2.1419.31911.417
total18.213134.62152.82
Eastern Juraroad and skidding track0.87028.5829.37
road and skidding road0.87015.41416.213
road and cable line..1.6491.649
road and flight path......
no access intended..1.2571.257
total1.64946.6348.22
Western Plateauroad and skidding track2.04433.2735.27
road and skidding road1.2577.4228.720
road and cable line..0.41000.4100
road and flight path......
no access intended0.8703.3344.130
total4.13144.3448.43
Central Plateauroad and skidding track0.95742.9643.86
road and skidding road1.54411.81513.314
road and cable line0.31002.2372.535
road and flight path......
no access intended0.9578.1199.118
total3.72865.0368.72
Eastern Plateauroad and skidding track2.53781.9484.44
road and skidding road1.84417.51319.313
road and cable line0.7714.6275.425
road and flight path..0.41000.4100
no access intended..2.5372.537
total5.026106.92111.92
Western Pre-Alpsroad and skidding track5.2257.82013.015
road and skidding road2.2401.1573.333
road and cable line11.5167.82019.211
road and flight path0.7701.5492.240
no access intended3.7303.3337.021
total23.3921.41044.84
Central Pre-Alpsroad and skidding track6.8226.52313.315
road and skidding road9.0199.71818.613
road and cable line18.61313.31531.99
road and flight path3.2332.2405.425
no access intended7.22221.21228.310
total44.8752.7697.52
Eastern Pre-Alpsroad and skidding track11.11716.41327.59
road and skidding road6.8225.42512.116
road and cable line13.2156.42319.612
road and flight path3.2333.6316.822
no access intended1.8445.7247.521
total36.1837.5773.63
Northwestern Alpsroad and skidding track2.1403.9306.123
road and skidding road2.1401.8443.930
road and cable line22.51013.61536.17
road and flight path2.5373.2335.724
no access intended5.0264.7279.718
total34.3727.2961.54
Central Alpsroad and skidding track0.31001.7442.140
road and skidding road0.7711.1581.844
road and cable line6.9204.22811.015
road and flight path2.4372.7345.224
no access intended1.7445.2256.921
total12.11414.91327.07
Northeastern Alpsroad and skidding track2.2400.41002.537
road and skidding road1.8440.41002.140
road and cable line10.7167.52018.311
road and flight path1.8442.5374.327
no access intended2.5372.1404.726
total19.01112.91431.96
Southwestern Alpsroad and skidding track9.91810.61720.612
road and skidding road3.4314.1287.521
road and cable line28.8108.61937.48
road and flight path23.71116.51440.18
no access intended2.7350.7713.431
total68.6540.58109.13
Southeastern Alpsroad and skidding track12.01723.91135.99
road and skidding road1.1586.0247.022
road and cable line35.8929.11064.96
road and flight path12.61619.81332.49
no access intended..0.41000.4100
total61.5679.15140.62
Southern Alpsroad and skidding track3.2331.4504.627
road and skidding road6.4235.32611.617
road and cable line31.1109.91841.18
road and flight path54.6713.51668.06
no access intended10.6189.81920.412
total105.9439.88145.72
Switzerlandroad and skidding track64.07328.42392.52
road and skidding road47.09136.15183.14
road and cable line182.44115.55297.93
road and flight path105.5566.17171.64
no access intended39.2977.46116.65
total438.12723.611161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164315/150696

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder55.66.860.36.232.12.120.23.013.53.09.21.725.21.2
forwarder20.45.522.25.22.60.72.81.24.51.81.60.74.40.6
mobile tower yarder9.33.912.74.224.61.925.33.331.34.012.11.921.01.1
cable crane3.72.63.22.225.21.910.12.328.33.916.12.119.11.1
helicopter3.72.6..15.51.641.03.722.43.658.72.829.21.2
others7.43.61.61.6..0.60.6..2.30.91.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder62.02.258.71.938.82.330.84.523.23.014.53.347.61.1
forwarder30.42.137.21.95.21.04.72.09.32.14.31.922.00.9
mobile tower yarder5.21.02.90.618.21.815.03.516.02.610.32.89.20.6
cable crane0.80.40.30.216.71.71.91.322.63.012.93.17.10.6
helicopter0.40.30.30.220.31.946.74.828.43.252.94.613.00.7
others1.20.50.60.30.90.40.90.90.50.55.12.01.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder61.32.158.91.835.31.524.22.519.22.210.71.539.20.8
forwarder29.42.035.91.83.80.63.51.17.31.42.40.715.30.6
mobile tower yarder5.61.03.70.721.51.321.42.422.32.311.61.613.70.6
cable crane1.10.50.60.321.11.37.01.524.92.415.21.811.60.5
helicopter0.70.40.30.217.81.243.22.926.02.457.12.419.10.6
others1.90.60.70.30.40.20.70.50.30.33.10.81.10.2
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 #164316/150697

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder10.81813.41657.5712.3166.42310.018110.45
forwarder4.0304.9264.6281.7442.1411.84519.114
mobile tower yarder1.8452.83544.0815.41414.81513.11691.96
cable crane0.7710.77145.086.22313.41517.51483.56
helicopter0.771..27.81125.01010.61763.86127.95
others1.4500.4100..0.3100..2.5384.628
total19.51322.312179.0360.9547.47108.64437.52
outside perimeterskidder108.14137.9464.3711.31715.9146.024343.53
forwarder53.0787.458.6201.7446.4231.845158.84
mobile tower yarder9.0206.72330.2105.52511.0174.32966.77
cable crane1.4500.77127.8110.77115.5145.32551.58
helicopter0.7710.77133.61017.11319.51321.91293.66
others2.2411.4501.4500.31000.41002.1417.821
total174.42234.82166.0436.7868.6541.48721.81
totalskidder118.94151.43121.9523.61122.31216.014454.02
forwarder56.9792.3513.2163.4318.5203.631177.94
mobile tower yarder10.8189.51974.2620.91225.81017.414158.64
cable crane2.2411.45072.866.82228.91022.812135.05
helicopter1.4500.77161.4742.1730.11085.75221.43
others3.6311.8451.4500.7710.41004.62812.417
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164317/150698

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonmain type of harvest %± %± %±
AGskidder..58.24.458.24.4
forwarder..37.74.437.74.4
mobile tower yarder..1.61.21.61.2
cable crane......
helicopter..0.80.80.80.8
others..1.61.21.61.2
total..100.0.100.0.
AIskidder55.616.986.113.369.211.8
forwarder11.110.8..6.26.1
mobile tower yarder11.110.8..6.26.1
cable crane..13.913.26.26.1
helicopter22.214.2..12.38.4
others......
total100.0.100.0.100.0.
ARskidder42.919.061.111.656.010.0
forwarder28.617.422.210.024.08.7
mobile tower yarder14.313.511.17.512.06.6
cable crane14.313.55.65.58.05.5
helicopter......
others......
total100.0.100.0.100.0.
BEskidder41.83.654.72.849.92.2
forwarder4.31.519.92.314.11.6
mobile tower yarder23.43.112.21.916.41.7
cable crane20.13.07.71.512.31.5
helicopter9.82.25.51.37.11.2
others0.50.5..0.20.2
total100.0.100.0.100.0.
BL/BSskidder80.018.052.07.454.77.0
forwarder20.018.039.37.237.46.8
mobile tower yarder..6.53.75.93.3
cable crane..2.22.22.02.0
helicopter......
others......
total100.0.100.0.100.0.
FRskidder36.37.361.55.851.84.7
forwarder6.83.815.74.412.33.1
mobile tower yarder36.47.39.93.620.23.8
cable crane13.75.25.72.88.82.7
helicopter6.83.85.72.86.12.3
others..1.41.30.80.8
total100.0.100.0.100.0.
GEskidder......
forwarder..100.0.100.0.
mobile tower yarder......
cable crane......
helicopter......
others......
total..100.0.100.0.
GLskidder23.99.425.08.924.56.5
forwarder......
mobile tower yarder4.84.720.88.413.45.1
cable crane43.010.937.510.040.17.3
helicopter28.39.916.77.722.16.2
others......
total100.0.100.0.100.0.
GRskidder15.12.424.02.719.71.8
forwarder2.61.09.21.86.01.1
mobile tower yarder27.12.917.12.421.91.9
cable crane29.73.021.12.625.22.0
helicopter25.42.928.72.827.12.0
others......
total100.0.100.0.100.0.
JUskidder76.29.278.95.078.24.4
forwarder9.56.415.04.413.73.7
mobile tower yarder9.56.43.02.14.62.3
cable crane......
helicopter......
others4.84.73.02.13.52.0
total100.0.100.0.100.0.
LUskidder28.69.961.44.756.04.4
forwarder9.56.416.13.615.03.2
mobile tower yarder23.89.312.23.214.13.1
cable crane33.310.38.42.712.52.9
helicopter4.84.71.91.32.41.3
others......
total100.0.100.0.100.0.
NEskidder40.022.095.22.492.02.9
forwarder40.022.03.62.15.72.5
mobile tower yarder......
cable crane......
helicopter......
others20.018.01.21.22.31.6
total100.0.100.0.100.0.
NWskidder42.919.130.813.135.010.9
forwarder......
mobile tower yarder14.313.523.111.920.09.1
cable crane28.617.415.410.220.09.1
helicopter14.313.530.813.125.09.9
others......
total100.0.100.0.100.0.
OWskidder13.07.128.78.621.65.8
forwarder4.34.33.63.63.92.7
mobile tower yarder30.49.717.97.323.66.0
cable crane21.78.724.88.223.46.0
helicopter30.49.725.18.327.56.3
others......
total100.0.100.0.100.0.
SGskidder47.55.660.05.953.34.1
forwarder2.51.85.72.84.01.6
mobile tower yarder10.03.4..5.31.8
cable crane26.24.98.63.418.03.1
helicopter13.73.924.35.118.73.2
others..1.41.40.70.7
total100.0.100.0.100.0.
SHskidder..13.95.813.95.8
forwarder..80.66.480.66.4
mobile tower yarder..2.82.82.82.8
cable crane......
helicopter......
others..2.82.82.82.8
total..100.0.100.0.
SOskidder..43.75.641.75.4
forwarder50.025.146.25.646.45.5
mobile tower yarder..8.83.28.33.0
cable crane25.021.8..1.21.2
helicopter......
others25.021.81.31.22.41.7
total100.0.100.0.100.0.
SZskidder26.37.225.06.925.75.0
forwarder5.33.65.03.55.12.5
mobile tower yarder39.58.017.56.028.25.1
cable crane15.85.97.54.211.53.6
helicopter13.25.540.07.826.95.1
others..5.03.52.61.8
total100.0.100.0.100.0.
TGskidder50.015.952.26.451.95.9
forwarder30.014.642.96.441.15.9
mobile tower yarder10.09.5..1.41.4
cable crane......
helicopter......
others10.09.54.92.85.62.7
total100.0.100.0.100.0.
TIskidder8.71.816.03.910.61.7
forwarder2.10.94.62.32.70.9
mobile tower yarder8.21.84.62.37.31.4
cable crane14.12.212.73.613.71.9
helicopter64.13.155.35.361.82.7
others2.91.16.82.73.91.1
total100.0.100.0.100.0.
URskidder8.25.525.18.317.05.2
forwarder3.83.8..1.81.8
mobile tower yarder23.08.310.65.816.55.1
cable crane30.69.118.17.424.15.9
helicopter34.49.442.29.438.56.6
others..4.03.92.12.1
total100.0.100.0.100.0.
VDskidder27.66.544.93.441.83.1
forwarder10.74.542.03.436.43.0
mobile tower yarder29.96.76.61.710.81.9
cable crane12.84.91.90.93.81.2
helicopter19.15.74.71.47.21.6
others......
total100.0.100.0.100.0.
VSskidder21.52.933.94.426.12.5
forwarder3.01.25.92.24.11.1
mobile tower yarder25.53.113.63.221.12.3
cable crane11.52.32.51.48.21.5
helicopter38.03.443.24.639.92.8
others0.50.50.80.80.60.4
total100.0.100.0.100.0.
ZGskidder44.417.180.018.557.113.7
forwarder..20.018.57.17.1
mobile tower yarder44.417.1..28.612.5
cable crane11.110.8..7.17.1
helicopter......
others......
total100.0.100.0.100.0.
ZHskidder33.327.358.54.157.94.1
forwarder..31.03.930.33.8
mobile tower yarder66.727.39.22.410.32.5
cable crane..1.41.01.41.0
helicopter......
others......
total100.0.100.0.100.0.
Switzerlandskidder25.31.247.41.139.10.8
forwarder4.30.622.40.915.60.6
mobile tower yarder21.01.19.20.613.60.6
cable crane19.01.17.00.611.50.5
helicopter29.31.212.90.719.10.6
others1.00.31.10.21.10.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164318/150699

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %
AGskidder..28.6828.68
forwarder..18.51218.512
mobile tower yarder..0.8700.870
cable crane......
helicopter..0.41000.4100
others..0.8700.870
total..49.1249.12
AIskidder1.6392.0373.622
forwarder0.3100..0.3100
mobile tower yarder0.3100..0.3100
cable crane..0.31000.3100
helicopter0.669..0.669
others......
total2.9242.3335.212
ARskidder1.0553.5234.518
forwarder0.6691.3471.936
mobile tower yarder0.31000.6691.055
cable crane0.31000.31000.669
helicopter......
others......
total2.2335.8148.05
BEskidder26.31158.3784.65
forwarder2.73521.21223.911
mobile tower yarder14.71513.01627.710
cable crane12.7168.22020.912
helicopter6.2235.92412.016
others0.3100..0.3100
total63.06106.54169.52
BL/BSskidder1.6499.71611.314
forwarder0.41007.3197.719
mobile tower yarder..1.2571.257
cable crane..0.41000.4100
helicopter......
others......
total2.04318.7720.75
FRskidder6.02416.11222.09
forwarder1.1574.1295.225
mobile tower yarder6.0232.6378.619
cable crane2.2401.5493.730
helicopter1.1571.5492.637
others..0.41000.4100
total16.41226.1842.63
GEskidder......
forwarder..3.1203.120
mobile tower yarder......
cable crane......
helicopter......
others......
total..3.1203.120
GLskidder1.9432.3394.227
forwarder......
mobile tower yarder0.41001.9432.339
cable crane3.5313.5316.919
helicopter2.3401.5493.829
others......
total8.1189.21617.37
GRskidder12.21621.01233.29
forwarder2.1418.02010.118
mobile tower yarder22.01215.01537.09
cable crane24.11118.51342.58
helicopter20.61225.21145.88
others......
total81.0587.65168.62
JUskidder6.22320.3926.56
forwarder0.8703.9304.627
mobile tower yarder0.8700.8701.649
cable crane......
helicopter......
others0.41000.8701.257
total8.21925.7733.93
LUskidder1.94020.5922.49
forwarder0.6705.4236.022
mobile tower yarder1.6444.1275.622
cable crane2.2372.8325.024
helicopter0.31000.6700.957
others......
total6.62033.4540.03
NEskidder0.67025.3625.96
forwarder0.6701.0571.644
mobile tower yarder......
cable crane......
helicopter......
others0.31000.31000.670
total1.64426.6528.24
NWskidder1.2551.5462.732
forwarder......
mobile tower yarder0.41001.2551.546
cable crane0.8690.8691.546
helicopter0.41001.5461.940
others......
total2.7325.0197.78
OWskidder1.1573.0334.127
forwarder0.41000.41000.770
mobile tower yarder2.6361.9434.526
cable crane1.9432.6364.526
helicopter2.6362.6365.223
others......
total8.61610.41419.04
SGskidder13.71515.21428.99
forwarder0.7701.4502.240
mobile tower yarder2.935..2.935
cable crane7.6212.2409.818
helicopter4.0296.12310.118
others..0.41000.4100
total28.9925.31054.24
SHskidder..1.8421.842
forwarder..10.3910.39
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others..0.41000.4100
total..12.8312.83
SOskidder..13.21313.213
forwarder0.87014.01314.812
mobile tower yarder..2.6362.636
cable crane0.4100..0.4100
helicopter......
others0.41000.41000.870
total1.54930.3431.83
SZskidder3.6303.6307.320
forwarder0.7700.7701.449
mobile tower yarder5.4232.5368.018
cable crane2.2401.1573.332
helicopter1.8445.8237.620
others..0.7700.770
total13.81214.51228.35
TGskidder1.5439.61311.012
forwarder0.9577.8168.715
mobile tower yarder0.3100..0.3100
cable crane......
helicopter......
others0.31000.9571.249
total3.03018.3621.33
TIskidder7.5215.02612.516
forwarder1.8441.4503.233
mobile tower yarder7.1221.4508.520
cable crane12.2163.93016.114
helicopter55.5617.21472.75
others2.5372.1414.627
total86.6431.010117.72
URskidder0.7712.4373.132
forwarder0.3100..0.3100
mobile tower yarder2.0391.0573.031
cable crane2.6341.7444.326
helicopter3.0314.0276.919
others..0.41000.4100
total8.6169.41618.09
VDskidder4.92736.4841.38
forwarder1.94434.1936.09
mobile tower yarder5.3265.32610.618
cable crane2.3401.5503.831
helicopter3.4333.8317.222
others......
total17.81381.1498.92
VSskidder14.71413.71528.510
forwarder2.1412.4374.527
mobile tower yarder17.5135.52523.011
cable crane7.9201.0588.919
helicopter26.11017.51343.67
others0.31000.31000.771
total68.6540.58109.13
ZGskidder1.7441.7443.425
forwarder..0.41000.4100
mobile tower yarder1.744..1.744
cable crane0.4100..0.4100
helicopter......
others......
total3.9212.1386.06
ZHskidder0.410029.3829.68
forwarder..15.51315.513
mobile tower yarder0.7704.6275.325
cable crane..0.7700.770
helicopter......
others......
total1.15750.1351.12
Switzerlandskidder110.55343.93454.42
forwarder18.914162.44181.34
mobile tower yarder92.0666.57158.54
cable crane83.2651.08134.25
helicopter127.9593.66221.43
others4.6287.82112.417
total437.02725.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164319/150700

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %±
inside perimeterskidder56.46.755.68.342.22.920.41.78.41.625.41.2
forwarder20.05.433.37.94.21.22.50.71.70.74.40.6
mobile tower yarder9.13.95.63.825.32.625.91.912.01.921.01.1
cable crane3.62.52.82.717.62.224.11.815.72.119.01.1
helicopter3.62.5..10.71.826.91.959.92.829.21.2
others7.33.52.82.7..0.20.22.30.91.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder59.82.258.62.049.72.828.02.013.23.247.71.1
forwarder32.32.137.21.97.11.56.01.14.41.922.00.9
mobile tower yarder5.11.02.80.716.12.116.81.710.72.99.20.6
cable crane1.00.40.60.311.61.817.01.713.33.27.10.6
helicopter0.40.30.30.214.22.031.82.153.14.713.00.7
others1.40.50.50.31.30.60.40.35.22.11.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder59.52.158.41.946.12.024.01.39.71.539.30.8
forwarder31.12.037.01.95.70.94.10.62.40.815.40.6
mobile tower yarder5.51.02.90.720.51.721.61.311.61.613.70.6
cable crane1.30.50.80.314.51.420.81.215.11.811.60.5
helicopter0.70.40.30.212.51.429.21.458.02.419.10.6
others2.00.60.60.30.70.30.30.23.10.91.10.2
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 #164320/150701

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder11.3187.02244.0839.598.919110.75
forwarder4.0304.2294.3294.8271.84519.214
mobile tower yarder1.8450.77126.31150.1812.71691.66
cable crane0.7710.410018.41346.7816.71482.86
helicopter0.771..11.21851.9863.46127.35
others1.5500.4100..0.31002.5384.628
total20.11312.716104.24193.43105.94436.22
outside perimeterskidder108.14126.9455.5748.685.325344.33
forwarder58.4780.557.92110.4181.845158.94
mobile tower yarder9.1206.02418.01429.1114.32966.57
cable crane1.8451.45013.01629.5115.32551.08
helicopter0.7710.77115.91555.1821.21293.56
others2.6381.1581.4500.7712.1417.821
total180.72216.52111.74173.4439.88722.11
totalskidder119.44133.9499.5588.1614.115454.92
forwarder62.4784.7512.31715.2153.531178.14
mobile tower yarder11.0186.72344.3879.2616.914158.14
cable crane2.6381.84531.41076.2622.012133.85
helicopter1.5500.77127.011107.0584.65220.83
others4.0301.4501.4501.1584.62812.517
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164321/150702

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder56.15.234.22.834.53.521.52.917.72.98.41.625.31.2
forwarder25.34.62.10.94.21.53.01.23.41.41.70.74.40.6
mobile tower yarder7.72.829.22.719.42.925.53.126.83.412.01.921.01.2
cable crane3.31.921.52.424.23.111.52.332.03.515.72.119.11.1
helicopter2.21.513.02.017.62.838.03.420.03.059.92.829.21.2
others5.52.4....0.50.5..2.30.91.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder59.11.542.42.941.53.633.94.426.32.913.23.247.71.1
forwarder35.01.45.01.34.81.65.92.29.82.04.41.922.00.9
mobile tower yarder3.80.622.42.510.82.313.63.215.52.410.72.99.20.6
cable crane0.80.314.92.114.62.62.51.421.72.713.33.27.10.6
helicopter0.40.214.92.126.13.343.24.626.72.953.14.712.90.7
others0.90.30.40.42.21.10.80.8..5.22.11.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder58.91.438.22.038.02.526.12.522.52.19.71.539.20.8
forwarder34.31.43.50.84.51.14.11.17.01.32.40.815.40.6
mobile tower yarder4.10.625.81.815.21.921.12.320.52.011.61.613.70.6
cable crane1.00.318.21.619.52.08.21.526.22.215.11.811.60.5
helicopter0.50.214.01.521.82.139.92.823.82.158.02.419.00.6
others1.20.30.20.21.10.50.60.4..3.10.91.10.2
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 #164322/150703

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder18.21435.0922.61214.71410.9178.919110.45
forwarder8.2212.2412.8352.1412.1411.84519.114
mobile tower yarder2.53829.91012.81617.51316.51412.71691.96
cable crane1.15822.01215.9147.92019.71216.71483.26
helicopter0.77113.31611.61726.11012.31663.46127.45
others1.845....0.3100..2.5384.628
total32.610102.4465.6668.6561.56105.94436.52
outside perimeterskidder235.0342.9826.61113.71520.8125.325344.33
forwarder139.245.0263.1332.4377.7211.845159.24
mobile tower yarder15.01522.7126.9225.52512.3164.32966.77
cable crane3.23315.1159.3191.05817.2145.32551.28
helicopter1.45015.11516.71417.51321.21221.21293.26
others3.6320.41001.4500.3100..2.1417.821
total397.41101.3564.1640.5879.1539.88722.31
totalskidder253.3377.9649.2728.51031.71014.115454.62
forwarder147.447.2225.9244.5279.8183.531178.34
mobile tower yarder17.51452.7719.71223.01128.81016.914158.64
cable crane4.32937.1925.2118.91936.9922.012134.45
helicopter2.24128.51128.31043.6733.5984.65220.63
others5.4260.41001.4500.771..4.62812.417
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164323/150704

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionmain type of harvest %± %± %±
Western Juraskidder54.97.066.82.465.42.3
forwarder19.65.625.22.224.62.1
mobile tower yarder9.84.25.01.15.61.1
cable crane3.92.71.30.61.60.6
helicopter3.92.70.50.40.90.5
others7.83.81.10.51.90.7
total100.0.100.0.100.0.
Eastern Juraskidder75.021.737.24.538.44.4
forwarder25.021.755.24.654.24.5
mobile tower yarder..5.12.04.92.0
cable crane......
helicopter......
others..2.51.52.51.4
total100.0.100.0.100.0.
Western Plateauskidder39.115.451.94.850.94.6
forwarder60.915.447.14.848.34.6
mobile tower yarder..0.90.90.90.9
cable crane......
helicopter......
others......
total100.0.100.0.100.0.
Central Plateauskidder66.713.661.33.461.63.3
forwarder25.012.535.43.334.83.2
mobile tower yarder..1.90.91.80.9
cable crane8.38.01.40.81.80.9
helicopter......
others......
total100.0.100.0.100.0.
Eastern Plateauskidder57.113.259.22.859.12.8
forwarder21.411.034.82.834.22.7
mobile tower yarder14.39.44.01.14.51.2
cable crane..0.30.30.30.3
helicopter..0.70.50.60.5
others7.16.91.00.61.30.6
total100.0.100.0.100.0.
Western Pre-Alpsskidder36.56.141.46.538.84.4
forwarder1.61.68.63.75.02.0
mobile tower yarder39.76.220.75.330.64.2
cable crane14.34.413.84.614.13.2
helicopter7.93.413.84.610.82.8
others..1.61.60.80.8
total100.0.100.0.100.0.
Central Pre-Alpsskidder42.44.449.74.146.33.0
forwarder3.21.65.41.94.41.2
mobile tower yarder20.83.620.43.320.62.5
cable crane23.23.813.62.818.02.3
helicopter10.42.710.92.610.71.9
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsskidder45.55.054.34.950.03.5
forwarder6.92.58.62.77.81.9
mobile tower yarder21.84.17.62.614.62.5
cable crane12.93.37.62.610.22.1
helicopter12.93.319.03.816.02.6
others..2.91.61.50.8
total100.0.100.0.100.0.
Northwestern Alpsskidder21.94.229.05.225.03.3
forwarder1.01.01.31.31.20.8
mobile tower yarder33.34.827.65.130.83.5
cable crane24.04.418.44.421.53.1
helicopter19.84.123.74.921.53.1
others......
total100.0.100.0.100.0.
Central Alpsskidder8.84.923.26.516.84.3
forwarder2.92.8..1.31.3
mobile tower yarder31.47.916.15.622.94.8
cable crane28.57.714.05.320.54.6
helicopter28.57.744.17.637.25.5
others..2.52.51.41.4
total100.0.100.0.100.0.
Northeastern Alpsskidder30.26.325.07.228.14.8
forwarder......
mobile tower yarder7.53.613.95.810.13.2
cable crane43.46.836.18.040.55.2
helicopter18.95.425.07.221.44.4
others......
total100.0.100.0.100.0.
Southwestern Alpsskidder21.52.933.94.426.12.5
forwarder3.01.25.92.24.11.1
mobile tower yarder25.53.113.63.221.12.3
cable crane11.52.32.51.48.21.5
helicopter38.03.443.24.639.92.8
others0.50.50.80.80.60.4
total100.0.100.0.100.0.
Southeastern Alpsskidder17.72.926.32.922.52.1
forwarder3.41.49.82.07.01.3
mobile tower yarder26.83.415.52.420.52.0
cable crane32.03.521.72.726.22.2
helicopter20.03.026.72.923.82.1
others......
total100.0.100.0.100.0.
Southern Alpsskidder8.41.613.23.29.71.5
forwarder1.70.74.41.92.40.8
mobile tower yarder12.01.910.72.911.61.6
cable crane15.72.113.33.215.11.8
helicopter59.92.853.14.758.02.4
others2.30.95.22.13.10.9
total100.0.100.0.100.0.
Switzerlandskidder25.31.247.41.139.10.8
forwarder4.40.622.20.915.50.6
mobile tower yarder21.11.19.20.613.70.6
cable crane19.11.17.10.611.60.5
helicopter29.11.212.90.719.00.6
others1.10.31.10.21.10.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164324/150705

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionmain type of harvest1000 ha± %1000 ha± %1000 ha± %
Western Juraskidder10.01890.04100.04
forwarder3.63134.0937.59
mobile tower yarder1.8456.8228.620
cable crane0.7711.8452.538
helicopter0.7710.7711.450
others1.4501.4502.935
total18.213134.62152.82
Eastern Juraskidder1.25717.31218.512
forwarder0.410025.7926.18
mobile tower yarder..2.4402.440
cable crane......
helicopter......
others..1.2571.257
total1.64946.6348.22
Western Plateauskidder1.65023.01024.610
forwarder2.54020.91123.410
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others......
total4.13144.3448.43
Central Plateauskidder2.53539.8642.36
forwarder0.95723.01023.99
mobile tower yarder..1.2501.250
cable crane0.31000.9571.250
helicopter......
others......
total3.72865.0368.72
Eastern Plateauskidder2.93563.3566.15
forwarder1.15837.2838.28
mobile tower yarder0.7714.3285.026
cable crane..0.41000.4100
helicopter..0.7710.771
others0.41001.1581.450
total5.026106.92111.92
Western Pre-Alpsskidder8.5198.91917.412
forwarder0.41001.9442.240
mobile tower yarder9.3184.42813.714
cable crane3.3323.0346.323
helicopter1.9443.0344.826
others..0.41000.4100
total23.3921.41044.84
Central Pre-Alpsskidder19.01226.21045.27
forwarder1.4502.9354.328
mobile tower yarder9.31910.81720.112
cable crane10.4187.22217.613
helicopter4.7275.72410.418
others......
total44.8752.7697.52
Eastern Pre-Alpsskidder16.41320.41236.88
forwarder2.5373.2335.724
mobile tower yarder7.9202.93510.717
cable crane4.6272.9357.521
helicopter4.6277.12111.816
others..1.1581.158
total36.1837.5773.63
Northwestern Alpsskidder7.5217.92115.414
forwarder0.41000.41000.771
mobile tower yarder11.4167.52118.912
cable crane8.2205.02613.215
helicopter6.8226.42313.215
others......
total34.3727.2961.54
Central Alpsskidder1.1583.5314.527
forwarder0.3100..0.3100
mobile tower yarder3.8292.4376.222
cable crane3.4302.1405.523
helicopter3.4306.62110.016
others..0.41000.4100
total12.11414.91327.07
Northeastern Alpsskidder5.7233.2329.018
forwarder......
mobile tower yarder1.4491.8443.232
cable crane8.2194.72612.914
helicopter3.6313.2326.821
others......
total19.01112.91431.96
Southwestern Alpsskidder14.71413.71528.510
forwarder2.1412.4374.527
mobile tower yarder17.5135.52523.011
cable crane7.9201.0588.919
helicopter26.11017.51343.67
others0.31000.31000.771
total68.6540.58109.13
Southeastern Alpsskidder10.91720.81231.710
forwarder2.1417.7219.818
mobile tower yarder16.51412.31628.810
cable crane19.71217.21436.99
helicopter12.31621.21233.59
others......
total61.5679.15140.62
Southern Alpsskidder8.9195.32514.115
forwarder1.8451.8453.531
mobile tower yarder12.7164.32916.914
cable crane16.7145.32522.012
helicopter63.4621.21284.65
others2.5382.1414.628
total105.9439.88145.72
Switzerlandskidder110.95343.13454.02
forwarder19.414161.04180.34
mobile tower yarder92.3666.97159.24
cable crane83.5651.38134.85
helicopter127.5593.46220.83
others4.6287.92112.517
total438.12723.611161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164325/150706

NFI4b

forest area: protection forest perimeter SilvaProtect · stem count/ha (DBH >= 12cm, classified) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectstem count/ha (DBH >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha1.1589.4196.2237.2218.42012.81645.19
101-200 stems/ha8.22114.8157.2218.2209.81816.01464.37
201-300 stems/ha9.71917.01412.91616.11414.41513.81583.86
301-400 stems/ha8.62017.31410.4188.91912.61616.91474.87
401-500 stems/ha9.31912.61611.41712.3168.12014.91568.67
501-600 stems/ha7.22211.9178.8205.5258.12010.61852.08
more than 600 stems/ha11.81729.61018.01320.21214.41530.110124.15
total55.88112.5474.9578.5475.95115.13512.82
outside of perimeter0-100 stems/ha40.1910.8188.3218.9198.4207.32283.86
101-200 stems/ha60.5710.8183.9306.22312.2162.83596.56
201-300 stems/ha64.0714.4159.3192.14110.9183.531104.36
301-400 stems/ha65.8716.6147.3212.1417.4213.531102.66
401-500 stems/ha44.4910.5186.9223.83010.5182.14178.16
501-600 stems/ha36.997.6215.6251.4504.2293.53159.18
more than 600 stems/ha62.6720.61313.4156.22311.2177.721121.75
total374.2191.2554.8730.6964.7630.610646.12
total0-100 stems/ha41.1920.21314.51516.11416.81420.113128.95
101-200 stems/ha68.7725.61111.21714.41522.01218.813160.84
201-300 stems/ha73.7631.41022.31218.21325.31117.314188.14
301-400 stems/ha74.4633.91017.61311.01720.01220.512177.44
401-500 stems/ha53.7823.11218.31316.11418.61317.014146.75
501-600 stems/ha44.0919.51314.3156.92212.31614.215111.15
more than 600 stems/ha74.4650.1831.4926.41025.61137.99245.83
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164326/150707
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