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NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track34.35.811.95.034.06.921.64.831.07.14.82.722.62.3
road and skidding road40.36.014.35.48.54.14.12.39.54.511.14.015.42.0
road and cable line11.94.052.47.736.27.040.55.735.77.438.16.134.62.6
road and flight path3.02.111.95.014.95.233.85.523.86.644.46.322.92.3
no access intended10.43.79.54.56.43.6....1.61.64.51.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track63.71.416.31.723.52.518.12.725.32.52.91.036.80.8
road and skidding road25.71.313.01.512.82.07.01.84.41.28.01.616.40.7
road and cable line4.00.642.62.240.02.936.23.449.62.930.32.825.10.8
road and flight path0.20.16.41.110.01.834.73.420.42.344.23.011.60.6
no access intended6.50.721.81.913.72.04.01.40.30.314.62.110.10.6
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 #163153/149533

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track8.2211.8455.5255.5254.6271.15826.711
road and skidding road9.7192.2411.4501.0581.4502.53818.114
road and cable line2.9357.9215.92410.3185.3258.52040.79
road and flight path0.7711.8452.4388.6193.5319.91826.911
no access intended2.5381.4501.058....0.41005.326
total24.01215.11516.21425.41014.81522.312117.85
outside perimeterroad and skidding track253.6328.51123.61112.41626.4112.835347.32
road and skidding road102.3522.71212.8164.8264.6277.721154.94
road and cable line15.71574.6640.2824.71151.7729.310236.33
road and flight path0.77111.21810.01823.71121.31242.98109.85
no access intended25.81138.2913.8152.7350.410014.21595.06
total398.11175.32100.4368.35104.3397.04943.41
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 #163154/149534

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system %± %± %±
Western Juraroad and skidding track31.77.350.52.648.72.5
road and skidding road46.37.836.72.537.62.4
road and cable line14.65.54.81.15.71.1
road and flight path2.42.40.50.40.70.4
no access intended4.93.47.41.47.21.3
total100.0.100.0.100.0.
Eastern Juraroad and skidding track60.015.560.64.660.64.4
road and skidding road20.012.734.84.633.54.3
road and cable line..3.71.83.41.7
road and flight path......
no access intended20.012.70.90.92.51.4
total100.0.100.0.100.0.
Western Plateauroad and skidding track..73.34.272.04.2
road and skidding road50.035.517.83.618.43.6
road and cable line50.035.5..0.90.9
road and flight path......
no access intended..8.92.78.72.6
total100.0.100.0.100.0.
Central Plateauroad and skidding track22.213.965.63.363.83.2
road and skidding road44.416.618.32.719.42.7
road and cable line11.110.53.31.23.61.3
road and flight path......
no access intended22.213.912.82.313.22.3
total100.0.100.0.100.0.
Eastern Plateauroad and skidding track40.021.976.22.475.72.4
road and skidding road20.017.916.82.216.92.1
road and cable line..5.01.24.91.2
road and flight path20.017.9..0.30.3
no access intended20.017.92.00.82.30.9
total100.0.100.0.100.0.
Western Pre-Alpsroad and skidding track22.213.931.44.630.64.4
road and skidding road..8.82.88.12.6
road and cable line33.315.841.24.940.54.7
road and flight path11.110.54.92.15.42.2
no access intended33.315.813.83.415.33.4
total100.0.100.0.100.0.
Central Pre-Alpsroad and skidding track10.09.513.82.213.62.1
road and skidding road30.014.518.92.519.32.4
road and cable line40.015.533.13.033.32.9
road and flight path10.09.55.11.45.31.4
no access intended10.09.529.12.928.42.8
total100.0.100.0.100.0.
Eastern Pre-Alpsroad and skidding track59.110.536.33.738.93.5
road and skidding road18.28.215.82.816.12.6
road and cable line13.67.329.23.527.53.2
road and flight path4.54.58.22.17.81.9
no access intended4.54.510.52.49.82.1
total100.0.100.0.100.0.
Northwestern Alpsroad and skidding track8.85.99.22.59.22.3
road and skidding road13.07.04.61.85.91.9
road and cable line65.19.962.34.362.73.9
road and flight path13.07.010.02.610.52.5
no access intended..13.83.011.82.6
total100.0.100.0.100.0.
Central Alpsroad and skidding track8.38.03.82.74.72.6
road and skidding road..8.03.86.53.1
road and cable line66.713.644.26.948.46.3
road and flight path16.710.817.25.317.14.7
no access intended8.38.026.86.223.35.3
total100.0.100.0.100.0.
Northeastern Alpsroad and skidding track15.410.06.02.97.53.0
road and skidding road..9.03.57.53.0
road and cable line46.213.964.25.961.35.5
road and flight path30.712.89.03.512.53.7
no access intended7.77.411.94.011.23.5
total100.0.100.0.100.0.
Southwestern Alpsroad and skidding track21.64.818.12.719.02.4
road and skidding road4.12.37.01.86.21.5
road and cable line40.55.736.23.437.42.9
road and flight path33.85.534.73.434.42.9
no access intended..4.01.42.91.0
total100.0.100.0.100.0.
Southeastern Alpsroad and skidding track31.07.125.32.526.02.4
road and skidding road9.54.54.41.25.01.2
road and cable line35.77.449.62.947.82.7
road and flight path23.86.620.42.320.92.2
no access intended..0.30.30.30.3
total100.0.100.0.100.0.
Southern Alpsroad and skidding track4.82.72.91.03.31.0
road and skidding road11.14.08.01.68.61.5
road and cable line38.16.130.32.831.72.5
road and flight path44.46.344.23.044.22.7
no access intended1.61.614.62.112.21.8
total100.0.100.0.100.0.
Switzerlandroad and skidding track22.82.336.80.835.30.8
road and skidding road15.32.016.50.716.30.7
road and cable line34.52.625.10.826.10.7
road and flight path22.82.311.60.612.90.6
no access intended4.51.110.00.69.40.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163155/149535

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track4.62767.9672.55
road and skidding road6.82249.3756.07
road and cable line2.1416.4238.620
road and flight path0.41000.7711.158
no access intended0.77110.01810.718
total14.615134.32148.92
Eastern Juraroad and skidding track2.44026.1828.58
road and skidding road0.87015.01415.813
road and cable line..1.6491.649
road and flight path......
no access intended0.8700.41001.257
total4.03043.0447.03
Western Plateauroad and skidding track..34.0734.07
road and skidding road0.41008.2218.720
road and cable line0.4100..0.4100
road and flight path......
no access intended..4.1304.130
total0.87046.3447.24
Central Plateauroad and skidding track0.67143.2643.86
road and skidding road1.25012.11513.314
road and cable line0.31002.2372.535
road and flight path......
no access intended0.6718.4189.118
total2.83365.9368.72
Eastern Plateauroad and skidding track0.77182.6483.34
road and skidding road0.410018.21318.613
road and cable line..5.4255.425
road and flight path0.4100..0.4100
no access intended0.41002.1412.537
total1.844108.32110.12
Western Pre-Alpsroad and skidding track0.77011.81612.615
road and skidding road..3.3333.333
road and cable line1.15715.51316.612
road and flight path0.41001.9442.240
no access intended1.1575.2256.323
total3.33237.7541.14
Central Pre-Alpsroad and skidding track0.410012.51612.916
road and skidding road1.15817.21318.313
road and cable line1.45030.1931.69
road and flight path0.41004.7275.026
no access intended0.410026.51026.910
total3.63191.1394.72
Eastern Pre-Alpsroad and skidding track4.62722.11126.810
road and skidding road1.4509.61811.117
road and cable line1.15717.91318.912
road and flight path0.41005.0265.425
no access intended0.41006.4236.822
total7.92061.1468.93
Northwestern Alpsroad and skidding track0.7714.3285.026
road and skidding road1.1572.2403.233
road and cable line5.42528.9934.37
road and flight path1.1574.7275.724
no access intended..6.4236.423
total8.22046.5654.74
Central Alpsroad and skidding track0.31000.7701.057
road and skidding road..1.4501.450
road and cable line2.7347.91910.715
road and flight path0.7703.1323.829
no access intended0.31004.8255.224
total4.12718.01022.18
Northeastern Alpsroad and skidding track0.7701.4502.240
road and skidding road..2.1402.140
road and cable line2.24015.41217.511
road and flight path1.4492.1403.630
no access intended0.41002.9343.232
total4.72624.0828.76
Southwestern Alpsroad and skidding track5.52512.41617.813
road and skidding road1.0584.8265.824
road and cable line10.31824.71135.09
road and flight path8.61923.71132.39
no access intended..2.7352.735
total25.41068.3593.73
Southeastern Alpsroad and skidding track4.62726.41130.910
road and skidding road1.4504.6276.024
road and cable line5.32551.7756.96
road and flight path3.53121.31224.811
no access intended..0.41000.4100
total14.815104.33119.03
Southern Alpsroad and skidding track1.1582.8353.930
road and skidding road2.5387.72110.218
road and cable line8.52029.31037.99
road and flight path9.91842.9852.87
no access intended0.410014.21514.515
total22.31297.04119.33
Switzerlandroad and skidding track27.011348.22375.22
road and skidding road18.114155.84173.94
road and cable line40.89237.13277.93
road and flight path27.011110.05137.05
no access intended5.42694.66100.06
total118.25945.711063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163156/149536

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder60.06.673.710.135.55.035.85.924.37.115.64.536.82.6
forwarder20.05.421.19.45.42.3..8.14.51.61.67.21.4
mobile tower yarder9.13.9..22.64.326.95.418.96.414.14.317.82.1
cable crane3.62.5..19.44.11.51.521.66.823.55.313.21.8
helicopter1.81.85.35.117.23.935.85.927.07.345.36.224.12.3
others5.53.1..........0.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder61.52.258.41.935.81.719.43.017.32.510.71.841.00.9
forwarder30.22.136.51.83.80.75.01.67.61.72.50.917.40.7
mobile tower yarder5.31.03.90.722.31.522.33.124.92.812.11.913.60.6
cable crane0.90.40.40.222.11.510.02.227.02.916.42.211.60.6
helicopter0.60.40.10.115.61.342.83.723.12.755.83.015.60.6
others1.50.60.70.30.40.20.60.6..2.50.90.90.2
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 #163157/149537

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder11.9174.92611.7178.2203.2333.63143.59
forwarder4.0301.4501.845..1.1580.41008.620
mobile tower yarder1.845..7.4226.2232.5373.23321.113
cable crane0.771..6.4230.31002.8355.42515.615
helicopter0.41000.41005.7258.2203.53110.31828.511
others1.158..........1.158
total19.8136.72333.01022.91113.11622.812118.35
outside perimeterskidder104.14144.33100.9512.01614.51510.618386.42
forwarder51.2790.2510.7183.1336.4232.538164.04
mobile tower yarder9.0209.51962.8713.71520.91212.017127.95
cable crane1.4501.15862.276.22322.61116.414109.95
helicopter1.1580.410044.0826.41019.31355.67146.74
others2.5381.8451.1580.3100..2.5388.221
total169.32247.21281.6261.7583.6499.64943.01
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 #163158/149538

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside 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.
AIskidder100.0.64.313.266.712.5
forwarder..7.17.16.76.6
mobile tower yarder..7.17.16.76.6
cable crane..7.17.16.76.6
helicopter..14.39.613.39.0
others......
total100.0.100.0.100.0.
ARskidder50.020.857.911.456.010.0
forwarder50.020.815.88.524.08.7
mobile tower yarder..15.88.512.06.6
cable crane..10.57.28.05.5
helicopter......
others......
total100.0.100.0.100.0.
BEskidder53.07.050.62.450.92.3
forwarder9.84.215.11.714.51.6
mobile tower yarder23.55.915.81.816.71.7
cable crane7.83.812.51.612.01.5
helicopter3.92.75.91.15.71.1
others2.01.9..0.20.2
total100.0.100.0.100.0.
BL/BSskidder16.715.360.87.755.17.3
forwarder50.020.634.37.536.37.1
mobile tower yarder16.715.34.93.46.43.6
cable crane16.715.3..2.12.1
helicopter......
others......
total100.0.100.0.100.0.
FRskidder50.025.153.84.953.64.8
forwarder..13.23.312.73.2
mobile tower yarder..19.83.919.13.8
cable crane25.021.78.52.79.12.8
helicopter25.021.74.72.15.52.2
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.
GLskidder12.511.827.37.824.46.8
forwarder......
mobile tower yarder..18.26.814.65.6
cable crane50.017.839.48.641.57.7
helicopter37.517.315.26.319.56.2
others......
total100.0.100.0.100.0.
GRskidder20.45.519.52.119.62.0
forwarder5.63.16.51.36.41.2
mobile tower yarder27.86.122.62.223.32.1
cable crane24.15.827.12.426.72.2
helicopter22.25.724.22.323.92.1
others......
total100.0.100.0.100.0.
JUskidder100.0.76.94.778.24.4
forwarder..14.53.913.73.7
mobile tower yarder..4.92.44.62.3
cable crane......
helicopter......
others..3.72.13.52.0
total100.0.100.0.100.0.
LUskidder..56.44.556.04.5
forwarder100.0.14.63.215.33.2
mobile tower yarder..14.53.214.43.1
cable crane..12.12.912.02.9
helicopter..2.41.42.41.4
others......
total100.0.100.0.100.0.
NEskidder70.014.594.72.691.83.0
forwarder10.09.55.32.65.92.6
mobile tower yarder......
cable crane......
helicopter......
others20.012.7..2.31.6
total100.0.100.0.100.0.
NWskidder100.0.25.011.129.411.3
forwarder......
mobile tower yarder..25.011.123.510.5
cable crane..25.011.123.510.5
helicopter..25.011.123.510.5
others......
total100.0.100.0.100.0.
OWskidder50.025.219.25.821.65.8
forwarder..4.33.03.92.7
mobile tower yarder..25.66.423.66.0
cable crane25.021.823.36.223.46.0
helicopter25.021.827.76.627.56.3
others......
total100.0.100.0.100.0.
SGskidder64.811.654.24.655.54.3
forwarder5.95.74.21.84.41.8
mobile tower yarder..6.72.35.82.0
cable crane5.85.620.03.718.23.3
helicopter23.610.314.23.215.33.1
others..0.80.80.70.7
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.
SOskidder33.327.442.55.642.25.5
forwarder33.327.446.25.645.85.5
mobile tower yarder..8.83.28.43.1
cable crane33.327.4..1.21.2
helicopter......
others..2.51.82.41.7
total100.0.100.0.100.0.
SZskidder..27.35.525.45.2
forwarder..6.13.05.62.8
mobile tower yarder40.022.027.35.528.25.4
cable crane40.022.010.63.812.74.0
helicopter20.018.025.85.425.35.2
others..3.02.12.82.0
total100.0.100.0.100.0.
TGskidder100.0.49.86.151.26.0
forwarder..42.96.041.75.9
mobile tower yarder..1.51.51.41.4
cable crane......
helicopter......
others..5.92.95.72.8
total100.0.100.0.100.0.
TIskidder17.65.310.12.011.51.9
forwarder2.01.92.81.12.61.0
mobile tower yarder5.93.38.21.97.81.6
cable crane21.65.814.82.416.12.2
helicopter52.97.060.93.359.43.0
others..3.21.22.61.0
total100.0.100.0.100.0.
URskidder10.09.515.86.514.55.5
forwarder10.09.5..2.32.3
mobile tower yarder40.015.612.05.718.45.9
cable crane20.012.733.38.330.37.1
helicopter20.012.738.98.534.57.3
others......
total100.0.100.0.100.0.
VDskidder53.312.940.33.241.13.1
forwarder6.76.539.83.237.83.1
mobile tower yarder13.38.810.42.010.62.0
cable crane6.76.53.01.13.31.1
helicopter20.010.36.51.67.31.7
others......
total100.0.100.0.100.0.
VSskidder36.55.622.12.926.02.7
forwarder..5.51.64.01.2
mobile tower yarder28.45.221.12.923.12.6
cable crane1.41.311.52.38.81.7
helicopter33.85.539.23.537.72.9
others..0.50.50.40.4
total100.0.100.0.100.0.
ZGskidder100.0.50.015.053.814.3
forwarder..8.38.37.77.7
mobile tower yarder..33.314.130.813.2
cable crane..8.38.37.77.7
helicopter......
others......
total100.0.100.0.100.0.
ZHskidder..57.74.257.34.1
forwarder..31.03.930.83.9
mobile tower yarder..10.62.610.52.6
cable crane100.0.0.70.71.41.0
helicopter......
others......
total100.0.100.0.100.0.
Switzerlandskidder36.72.640.90.940.40.8
forwarder7.21.417.70.716.50.6
mobile tower yarder17.72.113.50.714.00.6
cable crane13.41.911.50.611.70.6
helicopter24.32.315.50.616.50.6
others0.80.50.90.20.90.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163159/149539

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside 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
AIskidder0.31002.9243.222
forwarder..0.31000.3100
mobile tower yarder..0.31000.3100
cable crane..0.31000.3100
helicopter..0.6690.669
others......
total0.31004.5134.811
ARskidder1.0553.5234.518
forwarder1.0551.0551.936
mobile tower yarder..1.0551.055
cable crane..0.6690.669
helicopter......
others......
total1.9376.1128.05
BEskidder9.31973.3582.55
forwarder1.74521.91223.611
mobile tower yarder4.12922.91227.010
cable crane1.45018.11319.513
helicopter0.7718.6209.319
others0.3100..0.3100
total17.513144.83162.32
BL/BSskidder0.410010.11510.515
forwarder1.2575.7236.920
mobile tower yarder0.41000.8701.257
cable crane0.4100..0.4100
helicopter......
others......
total2.43916.6819.16
FRskidder0.77021.31022.09
forwarder..5.2255.225
mobile tower yarder..7.8207.820
cable crane0.41003.4323.730
helicopter0.41001.9442.240
others......
total1.54939.6441.13
GEskidder......
forwarder..2.2342.234
mobile tower yarder......
cable crane......
helicopter......
others......
total..2.2342.234
GLskidder0.41003.5313.929
forwarder......
mobile tower yarder..2.3392.339
cable crane1.5495.0246.520
helicopter1.2571.9433.133
others......
total3.13312.71115.88
GRskidder3.83024.11127.910
forwarder1.0588.0209.119
mobile tower yarder5.22527.91033.29
cable crane4.62733.5938.19
helicopter4.22929.91034.19
others......
total18.913123.53142.33
JUskidder1.94424.6726.56
forwarder..4.6274.627
mobile tower yarder..1.6491.649
cable crane......
helicopter......
others..1.2571.257
total1.94431.9433.93
LUskidder..22.0922.09
forwarder0.31005.7226.022
mobile tower yarder..5.6225.622
cable crane..4.7244.724
helicopter..0.9570.957
others......
total0.310039.0339.33
NEskidder2.23722.9625.15
forwarder0.31001.3491.644
mobile tower yarder......
cable crane......
helicopter......
others0.670..0.670
total3.23024.2627.44
NWskidder0.41001.5461.940
forwarder......
mobile tower yarder..1.5461.546
cable crane..1.5461.546
helicopter..1.5461.546
others......
total0.41006.1146.513
OWskidder0.7703.4314.127
forwarder..0.7700.770
mobile tower yarder..4.5264.526
cable crane0.41004.1284.526
helicopter0.41004.9245.223
others......
total1.54917.5619.04
SGskidder4.02923.51027.59
forwarder0.41001.8442.240
mobile tower yarder..2.9352.935
cable crane0.41008.7199.019
helicopter1.4506.1237.621
others..0.41000.4100
total6.12343.4649.54
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
forwarder0.410014.01314.413
mobile tower yarder..2.6362.636
cable crane0.4100..0.4100
helicopter......
others..0.8700.870
total1.15730.3431.44
SZskidder..6.5216.521
forwarder..1.4491.449
mobile tower yarder0.7706.5217.220
cable crane0.7702.5363.332
helicopter0.41006.2226.521
others..0.7700.770
total1.84423.9625.75
TGskidder0.67010.21310.712
forwarder..8.7158.715
mobile tower yarder..0.31000.3100
cable crane......
helicopter......
others..1.2491.249
total0.67020.4421.04
TIskidder3.2337.82111.117
forwarder0.41002.1412.537
mobile tower yarder1.1586.4237.521
cable crane3.93011.51715.414
helicopter9.71947.3757.06
others..2.5382.538
total18.31377.6595.94
URskidder0.31001.7442.140
forwarder0.3100..0.3100
mobile tower yarder1.3491.3492.634
cable crane0.7703.7294.326
helicopter0.7704.3255.023
others......
total3.33011.01414.311
VDskidder3.03535.3938.38
forwarder0.410034.8935.29
mobile tower yarder0.8719.1209.919
cable crane0.41002.7373.035
helicopter1.1585.6256.823
others......
total5.72587.5393.23
VSskidder9.31915.11424.411
forwarder..3.8303.830
mobile tower yarder7.22114.41521.612
cable crane0.31007.9208.220
helicopter8.61926.81035.39
others..0.31000.3100
total25.41068.3593.73
ZGskidder0.41002.6323.028
forwarder..0.41000.4100
mobile tower yarder..1.7441.744
cable crane..0.41000.4100
helicopter......
others......
total0.41005.1135.69
ZHskidder..28.9828.98
forwarder..15.51315.513
mobile tower yarder..5.3255.325
cable crane0.41000.41000.770
helicopter......
others......
total0.410050.0250.42
Switzerlandskidder43.39386.72429.92
forwarder8.520167.14175.64
mobile tower yarder20.813128.15149.05
cable crane15.715109.05124.75
helicopter28.611146.94175.64
others1.0588.2219.220
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163160/149540

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %±
inside perimeterskidder54.97.075.010.858.57.729.93.615.94.636.92.6
forwarder25.56.112.58.39.84.62.41.21.61.67.31.4
mobile tower yarder7.83.86.36.14.93.426.83.514.34.417.72.1
cable crane3.92.7..14.65.513.42.722.35.313.11.8
helicopter2.01.96.36.112.25.127.43.546.06.324.02.3
others5.93.3........0.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder60.02.257.82.045.42.222.61.59.41.841.10.9
forwarder31.52.137.71.95.71.04.60.82.61.017.40.7
mobile tower yarder5.41.02.90.721.81.822.71.512.42.013.60.6
cable crane0.80.40.80.414.81.523.91.616.42.211.50.6
helicopter0.60.40.20.211.81.426.21.656.63.015.50.6
others1.60.60.60.30.60.30.10.12.61.00.90.2
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 #163161/149541

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder10.2184.2298.72016.9143.53143.69
forwarder4.7270.7711.4501.4500.41008.620
mobile tower yarder1.5500.41000.77115.2153.23320.913
cable crane0.771..2.2417.6215.02615.515
helicopter0.41000.41001.84515.51510.31828.311
others1.158........1.158
total18.6135.62514.81556.7722.312118.15
outside perimeterskidder106.24127.6486.1558.279.219387.32
forwarder55.8783.3510.81811.7172.538164.24
mobile tower yarder9.5196.32341.5958.5712.017127.75
cable crane1.5501.84528.11161.6715.914108.85
helicopter1.1580.410022.31267.6754.97146.34
others2.9351.4501.1580.31002.5388.221
total177.02220.71189.92257.9297.04942.61
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 #163162/149542

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder59.76.045.27.736.17.036.55.623.86.615.94.636.82.6
forwarder22.45.1..10.64.5..7.14.01.61.67.21.4
mobile tower yarder7.53.223.86.612.84.928.45.221.46.314.34.417.82.1
cable crane3.02.116.75.821.46.01.41.323.86.622.35.313.21.8
helicopter3.02.114.35.419.15.733.85.523.86.646.06.324.12.3
others4.52.5..........0.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder58.81.538.12.239.22.922.12.921.92.49.41.841.00.9
forwarder35.01.43.90.94.11.25.51.67.41.52.61.017.40.7
mobile tower yarder4.00.626.72.016.52.221.12.921.62.412.42.013.60.6
cable crane0.80.318.51.820.62.411.52.328.02.616.42.211.60.6
helicopter0.40.212.81.518.62.339.23.521.12.456.63.015.50.6
others1.10.3..1.00.60.50.5..2.61.00.90.2
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 #163163/149543

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder14.3166.9235.9249.3193.5313.53143.39
forwarder5.426..1.744..1.1580.41008.520
mobile tower yarder1.8453.6312.1417.2213.2333.23321.013
cable crane0.7712.5383.5310.31003.5315.02615.515
helicopter0.7712.2413.1338.6193.53110.31828.311
others1.158..........1.158
total24.01215.11516.21425.41014.81522.312117.85
outside perimeterskidder233.9366.7639.3815.11422.9129.219387.12
forwarder139.546.9234.1283.8307.7212.538164.54
mobile tower yarder15.71546.9816.51414.41522.51212.017128.15
cable crane3.23332.51020.7127.92029.21015.914109.45
helicopter1.45022.41218.61326.81022.01254.97146.14
others4.329..1.1580.3100..2.5388.221
total398.11175.32100.4368.35104.3397.04943.41
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 #163164/149544

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionmain type of harvest %± %± %±
Western Juraskidder63.47.565.72.565.42.3
forwarder14.65.525.62.324.52.1
mobile tower yarder7.34.15.61.25.71.1
cable crane4.93.41.10.51.40.6
helicopter2.42.40.80.51.00.5
others7.34.11.30.61.90.7
total100.0.100.0.100.0.
Eastern Juraskidder20.012.740.34.738.64.5
forwarder70.014.552.44.853.84.5
mobile tower yarder10.09.54.62.05.02.0
cable crane......
helicopter......
others..2.81.62.51.4
total100.0.100.0.100.0.
Western Plateauskidder100.0.50.44.751.34.7
forwarder..48.74.747.84.7
mobile tower yarder..0.90.90.90.9
cable crane......
helicopter......
others......
total100.0.100.0.100.0.
Central Plateauskidder66.715.761.33.461.63.3
forwarder22.213.935.43.334.83.2
mobile tower yarder11.110.51.40.81.80.9
cable crane..1.90.91.80.9
helicopter......
others......
total100.0.100.0.100.0.
Eastern Plateauskidder80.017.958.12.858.42.8
forwarder..35.32.734.72.7
mobile tower yarder..4.61.24.51.2
cable crane..0.30.30.30.3
helicopter20.017.90.30.30.60.5
others..1.30.71.30.6
total100.0.100.0.100.0.
Western Pre-Alpsskidder55.616.638.24.839.64.7
forwarder..5.92.35.42.2
mobile tower yarder11.110.531.34.629.74.4
cable crane11.110.514.73.514.43.3
helicopter22.213.99.83.010.83.0
others......
total100.0.100.0.100.0.
Central Pre-Alpsskidder60.015.545.73.146.23.1
forwarder..4.71.34.51.3
mobile tower yarder10.09.521.32.620.82.5
cable crane20.012.718.12.418.22.4
helicopter10.09.510.21.910.21.9
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsskidder59.110.549.13.850.33.6
forwarder18.28.27.02.08.32.0
mobile tower yarder..17.02.915.02.6
cable crane13.67.39.92.310.42.2
helicopter9.16.115.22.814.52.5
others..1.81.01.60.9
total100.0.100.0.100.0.
Northwestern Alpsskidder34.910.023.13.724.93.5
forwarder..0.80.80.70.7
mobile tower yarder34.79.933.84.234.03.8
cable crane17.47.922.33.721.53.3
helicopter13.07.020.03.519.03.2
others......
total100.0.100.0.100.0.
Central Alpsskidder8.38.017.55.315.84.6
forwarder8.38.0..1.61.6
mobile tower yarder50.014.519.15.524.95.4
cable crane16.710.827.06.225.05.4
helicopter16.710.836.46.732.75.9
others......
total100.0.100.0.100.0.
Northeastern Alpsskidder23.111.729.95.628.85.1
forwarder......
mobile tower yarder..13.44.211.23.5
cable crane38.513.543.36.142.55.6
helicopter38.413.513.44.217.54.3
others......
total100.0.100.0.100.0.
Southwestern Alpsskidder36.55.622.12.926.02.7
forwarder..5.51.64.01.2
mobile tower yarder28.45.221.12.923.12.6
cable crane1.41.311.52.38.81.7
helicopter33.85.539.23.537.72.9
others..0.50.50.40.4
total100.0.100.0.100.0.
Southeastern Alpsskidder23.86.621.92.422.22.3
forwarder7.14.07.41.57.41.4
mobile tower yarder21.46.321.62.421.62.2
cable crane23.86.628.02.627.52.4
helicopter23.86.621.12.421.42.2
others......
total100.0.100.0.100.0.
Southern Alpsskidder15.94.69.41.810.61.7
forwarder1.61.62.61.02.40.8
mobile tower yarder14.34.412.42.012.71.8
cable crane22.35.316.42.217.52.1
helicopter46.06.356.63.054.62.7
others..2.61.02.10.8
total100.0.100.0.100.0.
Switzerlandskidder36.72.640.90.940.40.8
forwarder7.41.417.60.716.40.6
mobile tower yarder17.72.113.60.614.10.6
cable crane13.21.811.60.611.80.6
helicopter24.12.315.50.616.40.6
others0.90.50.90.20.90.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163165/149545

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionmain type of harvest1000 ha± %1000 ha± %1000 ha± %
Western Juraskidder9.31988.1497.44
forwarder2.14134.3936.59
mobile tower yarder1.1587.5218.620
cable crane0.7711.4502.141
helicopter0.41001.1581.450
others1.1581.8452.935
total14.615134.32148.92
Eastern Juraskidder0.87017.31218.112
forwarder2.83722.51025.39
mobile tower yarder0.41002.0442.440
cable crane......
helicopter......
others..1.2571.257
total4.03043.0447.03
Western Plateauskidder0.87023.41024.210
forwarder..22.51022.510
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others......
total0.87046.3447.24
Central Plateauskidder1.94040.4642.36
forwarder0.67123.31023.99
mobile tower yarder0.31000.9571.250
cable crane..1.2501.250
helicopter......
others......
total2.83365.9368.72
Eastern Plateauskidder1.45062.9564.35
forwarder..38.2838.28
mobile tower yarder..5.0265.026
cable crane..0.41000.4100
helicopter0.41000.41000.771
others..1.4501.450
total1.844108.32110.12
Western Pre-Alpsskidder1.94414.41416.313
forwarder..2.2402.240
mobile tower yarder0.410011.81612.215
cable crane0.41005.6245.923
helicopter0.7703.7304.428
others......
total3.33237.7541.14
Central Pre-Alpsskidder2.24041.6743.77
forwarder..4.3284.328
mobile tower yarder0.410019.41219.712
cable crane0.77116.51417.213
helicopter0.41009.3199.718
others......
total3.63191.1394.72
Eastern Pre-Alpsskidder4.62730.0934.68
forwarder1.4504.3285.724
mobile tower yarder..10.41710.417
cable crane1.1576.1237.121
helicopter0.7719.31910.018
others..1.1581.158
total7.92061.1468.93
Northwestern Alpsskidder2.93510.71713.615
forwarder..0.41000.4100
mobile tower yarder2.93515.71318.612
cable crane1.45010.41711.816
helicopter1.1579.31910.417
others......
total8.22046.5654.74
Central Alpsskidder0.31003.2333.531
forwarder0.3100..0.3100
mobile tower yarder2.1403.4305.523
cable crane0.7704.8255.523
helicopter0.7706.5217.220
others......
total4.12718.01022.18
Northeastern Alpsskidder1.1577.2218.219
forwarder......
mobile tower yarder..3.2323.232
cable crane1.84410.41612.215
helicopter1.8443.2325.025
others......
total4.72624.0828.76
Southwestern Alpsskidder9.31915.11424.411
forwarder..3.8303.830
mobile tower yarder7.22114.41521.612
cable crane0.31007.9208.220
helicopter8.61926.81035.39
others..0.31000.3100
total25.41068.3593.73
Southeastern Alpsskidder3.53122.91226.411
forwarder1.1587.7218.819
mobile tower yarder3.23322.51225.711
cable crane3.53129.21032.79
helicopter3.53122.01225.511
others......
total14.815104.33119.03
Southern Alpsskidder3.5319.21912.716
forwarder0.41002.5382.835
mobile tower yarder3.23312.01715.215
cable crane5.02615.91420.912
helicopter10.31854.9765.26
others..2.5382.538
total22.31297.04119.33
Switzerlandskidder43.49386.42429.82
forwarder8.720166.14174.84
mobile tower yarder21.013128.75149.64
cable crane15.615109.75125.35
helicopter28.411146.54174.94
others1.1588.3219.420
total118.25945.711063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163166/149546

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · 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
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago49.16.763.211.136.65.029.95.621.66.820.45.034.12.6
11-20 years ago16.45.015.88.422.64.313.44.227.07.310.93.917.62.1
21-30 years ago14.54.8..12.93.59.03.516.26.19.43.611.41.7
31-40 years ago3.62.55.35.19.73.13.02.116.26.16.23.07.21.4
41-50 years ago1.81.85.35.15.42.36.02.95.43.76.23.05.11.2
over 50 years ago14.54.810.57.012.93.538.86.013.55.646.86.224.72.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago53.02.376.51.637.11.717.82.924.12.89.31.744.90.9
11-20 years ago24.72.014.51.323.61.517.22.819.42.67.51.618.90.8
21-30 years ago8.11.34.90.811.61.17.82.015.12.36.11.48.70.5
31-40 years ago6.61.11.70.57.70.95.01.68.91.94.61.35.50.4
41-50 years ago3.60.91.00.46.80.98.42.15.91.57.81.64.80.4
over 50 years ago4.00.91.40.413.21.243.83.726.62.964.72.917.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago52.62.276.21.637.01.621.12.623.72.611.41.743.70.8
11-20 years ago23.81.914.51.323.51.416.22.320.52.48.21.518.80.7
21-30 years ago8.81.24.70.811.81.18.11.715.32.26.71.39.00.5
31-40 years ago6.31.11.80.57.90.94.41.39.91.84.91.25.70.4
41-50 years ago3.40.81.10.46.70.87.71.75.81.47.51.44.90.4
over 50 years ago5.11.01.70.513.21.142.53.124.82.661.32.618.00.6
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 #163167/149547

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · 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
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago9.7194.22912.1176.8222.8354.62740.39
11-20 years ago3.2331.1587.4223.1333.5312.53820.913
21-30 years ago2.935..4.3292.1412.1412.14113.516
31-40 years ago0.7710.41003.2330.7712.1411.4508.520
41-50 years ago0.41000.41001.8451.4500.7711.4506.024
over 50 years ago2.9350.7714.3298.9191.84410.71829.211
total19.8136.72333.01022.91113.11622.812118.35
outside perimeterless than 10 years ago89.75189.22104.4511.01720.1129.319423.62
11-20 years ago41.8835.7966.4710.61716.3147.521178.34
21-30 years ago13.71612.01732.7104.82612.6166.12481.96
31-40 years ago11.2184.32921.7123.1337.4214.62752.28
41-50 years ago6.1242.53819.2135.2254.9267.82145.79
over 50 years ago6.8233.53137.3927.01022.21264.46161.34
total169.32247.21281.6261.7583.6499.64943.01
totalless than 10 years ago99.44193.42116.4517.81323.01113.915463.92
11-20 years ago45.0836.8973.8613.71519.81210.018199.24
21-30 years ago16.61412.01737.096.82214.8158.22095.46
31-40 years ago11.9174.62824.9123.8309.5196.12460.77
41-50 years ago6.5232.83520.9136.5225.7249.21951.68
over 50 years ago9.7194.22941.6935.9824.01175.15190.54
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163168/149548

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside 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 ago..21.411.320.010.6
11-20 years ago100.0.42.913.546.713.2
21-30 years ago..7.17.16.76.6
31-40 years ago..7.17.16.76.6
41-50 years ago..14.39.613.39.0
over 50 years ago..7.17.16.76.6
total100.0.100.0.100.0.
ARless than 10 years ago50.020.826.310.332.09.5
11-20 years ago16.715.542.111.536.09.8
21-30 years ago16.715.521.19.520.08.1
31-40 years ago16.715.55.35.28.05.5
41-50 years ago......
over 50 years ago..5.35.24.04.0
total100.0.100.0.100.0.
BEless than 10 years ago53.07.053.82.453.82.3
11-20 years ago13.74.819.01.918.41.8
21-30 years ago13.74.810.21.510.61.4
31-40 years ago5.93.35.41.15.51.0
41-50 years ago2.01.94.71.04.40.9
over 50 years ago11.74.56.81.27.41.2
total100.0.100.0.100.0.
BL/BSless than 10 years ago66.719.449.07.851.37.3
11-20 years ago..34.37.529.96.7
21-30 years ago16.715.37.44.18.54.1
31-40 years ago..4.93.44.33.0
41-50 years ago..2.02.01.71.7
over 50 years ago16.715.32.52.44.33.0
total100.0.100.0.100.0.
FRless than 10 years ago50.025.157.64.857.34.7
11-20 years ago..20.74.020.03.8
21-30 years ago25.021.72.81.63.61.8
31-40 years ago..8.52.78.22.6
41-50 years ago..4.72.14.52.0
over 50 years ago25.021.75.72.36.42.3
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 ago..36.48.529.37.2
11-20 years ago50.017.818.26.824.46.8
21-30 years ago12.511.821.27.219.56.2
31-40 years ago12.511.86.14.27.34.1
41-50 years ago..9.15.07.34.1
over 50 years ago25.015.49.15.112.25.2
total100.0.100.0.100.0.
GRless than 10 years ago22.35.721.82.221.82.0
11-20 years ago22.25.718.42.118.91.9
21-30 years ago14.84.814.61.914.71.8
31-40 years ago16.75.19.31.510.31.5
41-50 years ago7.43.66.21.36.41.2
over 50 years ago16.75.129.72.427.92.2
total100.0.100.0.100.0.
JUless than 10 years ago..59.85.456.45.3
11-20 years ago40.022.020.84.521.94.4
21-30 years ago40.022.06.12.78.12.9
31-40 years ago..7.32.96.92.7
41-50 years ago..3.52.03.31.9
over 50 years ago20.018.02.41.73.52.0
total100.0.100.0.100.0.
LUless than 10 years ago..59.64.459.24.4
11-20 years ago100.0.24.93.925.53.9
21-30 years ago..6.62.36.52.2
31-40 years ago..6.42.26.42.2
41-50 years ago..1.61.11.61.1
over 50 years ago..0.80.80.80.8
total100.0.100.0.100.0.
NEless than 10 years ago90.09.475.54.977.24.5
11-20 years ago..14.64.112.93.6
21-30 years ago10.09.51.61.62.61.8
31-40 years ago..5.62.75.02.4
41-50 years ago......
over 50 years ago..2.71.92.31.6
total100.0.100.0.100.0.
NWless than 10 years ago..18.810.017.69.4
11-20 years ago100.0.43.812.647.112.3
21-30 years ago..12.58.411.88.0
31-40 years ago......
41-50 years ago......
over 50 years ago..25.011.123.510.5
total100.0.100.0.100.0.
OWless than 10 years ago50.025.240.57.241.27.0
11-20 years ago..19.25.817.75.4
21-30 years ago..6.23.55.73.2
31-40 years ago..2.12.12.02.0
41-50 years ago..10.74.59.84.2
over 50 years ago50.025.221.36.023.66.0
total100.0.100.0.100.0.
SGless than 10 years ago47.112.143.34.543.84.3
11-20 years ago29.411.122.53.823.43.6
21-30 years ago5.85.611.72.910.92.7
31-40 years ago11.87.86.72.37.32.2
41-50 years ago..2.51.42.21.3
over 50 years ago5.95.713.33.112.42.8
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 ago33.327.456.25.655.45.5
11-20 years ago..27.55.026.54.9
21-30 years ago..1.31.21.21.2
31-40 years ago..6.32.76.02.6
41-50 years ago..2.51.82.41.7
over 50 years ago66.727.46.32.78.43.1
total100.0.100.0.100.0.
SZless than 10 years ago..45.56.242.35.9
11-20 years ago60.022.016.74.619.74.7
21-30 years ago20.018.04.52.65.62.8
31-40 years ago..7.63.37.03.1
41-50 years ago20.018.07.63.38.43.3
over 50 years ago..18.24.816.94.5
total100.0.100.0.100.0.
TGless than 10 years ago50.035.673.25.372.65.3
11-20 years ago50.035.611.73.912.84.0
21-30 years ago..13.24.112.84.0
31-40 years ago..1.91.81.81.8
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
TIless than 10 years ago21.65.87.81.810.51.9
11-20 years ago11.84.57.41.88.21.7
21-30 years ago7.83.84.21.44.91.3
31-40 years ago3.92.74.21.44.11.2
41-50 years ago3.92.78.71.97.81.6
over 50 years ago51.07.067.83.264.62.9
total100.0.100.0.100.0.
URless than 10 years ago60.015.627.37.834.97.3
11-20 years ago10.09.515.06.213.85.3
21-30 years ago..12.45.89.54.6
31-40 years ago20.012.79.05.011.54.9
41-50 years ago10.09.59.45.29.54.6
over 50 years ago..26.97.720.76.2
total100.0.100.0.100.0.
VDless than 10 years ago13.38.847.73.345.63.2
11-20 years ago20.010.322.92.822.72.7
21-30 years ago20.010.311.32.111.82.1
31-40 years ago6.76.55.21.55.31.4
41-50 years ago13.38.86.11.66.51.6
over 50 years ago26.711.46.91.78.11.7
total100.0.100.0.100.0.
VSless than 10 years ago29.75.318.12.721.22.5
11-20 years ago13.54.017.62.716.52.2
21-30 years ago9.53.48.52.08.81.7
31-40 years ago4.12.34.51.54.41.2
41-50 years ago6.82.99.12.08.51.7
over 50 years ago36.55.642.23.540.63.0
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 ago100.0.73.23.773.43.7
11-20 years ago..16.93.216.83.1
21-30 years ago..5.61.95.61.9
31-40 years ago..3.51.63.51.5
41-50 years ago......
over 50 years ago..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandless than 10 years ago33.72.645.00.943.80.8
11-20 years ago17.72.118.90.818.80.7
21-30 years ago11.41.78.60.58.90.5
31-40 years ago7.11.45.50.45.70.4
41-50 years ago5.11.24.90.44.90.4
over 50 years ago25.02.417.10.718.00.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163169/149549

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside 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 ago..1.0541.054
11-20 years ago0.31001.9342.330
21-30 years ago..0.31000.3100
31-40 years ago..0.31000.3100
41-50 years ago..0.6690.669
over 50 years ago..0.31000.3100
total0.31004.5134.811
ARless than 10 years ago1.0551.6412.630
11-20 years ago0.31002.6302.928
21-30 years ago0.31001.3471.641
31-40 years ago0.31000.31000.669
41-50 years ago......
over 50 years ago..0.31000.3100
total1.9376.1128.05
BEless than 10 years ago9.31978.0587.25
11-20 years ago2.43827.51029.910
21-30 years ago2.43814.71517.114
31-40 years ago1.0587.9208.919
41-50 years ago0.31006.8227.221
over 50 years ago2.1419.91812.016
total17.513144.83162.32
BL/BSless than 10 years ago1.6498.2189.815
11-20 years ago..5.7235.723
21-30 years ago0.41001.2571.649
31-40 years ago..0.8700.870
41-50 years ago..0.31000.3100
over 50 years ago0.41000.41000.870
total2.43916.6819.16
FRless than 10 years ago0.77022.8923.59
11-20 years ago..8.2208.220
21-30 years ago0.41001.1571.549
31-40 years ago..3.4323.432
41-50 years ago..1.9441.944
over 50 years ago0.41002.2402.637
total1.54939.6441.13
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 ago..4.6264.626
11-20 years ago1.5492.3393.929
21-30 years ago0.41002.7363.133
31-40 years ago0.41000.8701.257
41-50 years ago..1.2571.257
over 50 years ago0.8701.2571.943
total3.13312.71115.88
GRless than 10 years ago4.22926.91131.110
11-20 years ago4.22922.71226.911
21-30 years ago2.83518.11320.912
31-40 years ago3.13311.51714.715
41-50 years ago1.4507.7219.119
over 50 years ago3.13336.6939.88
total18.913123.53142.33
JUless than 10 years ago..19.11019.110
11-20 years ago0.8706.6227.420
21-30 years ago0.8701.9442.736
31-40 years ago..2.3402.340
41-50 years ago..1.1581.158
over 50 years ago0.41000.8701.257
total1.94431.9433.93
LUless than 10 years ago..23.3823.38
11-20 years ago0.31009.71610.016
21-30 years ago..2.6352.635
31-40 years ago..2.5342.534
41-50 years ago..0.6700.670
over 50 years ago..0.31000.3100
total0.310039.0339.33
NEless than 10 years ago2.93218.3821.17
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 ago..0.6700.670
total3.23024.2627.44
NWless than 10 years ago..1.2551.255
11-20 years ago0.41002.7323.129
21-30 years ago..0.8690.869
31-40 years ago......
41-50 years ago......
over 50 years ago..1.5461.546
total0.41006.1146.513
OWless than 10 years ago0.7707.1197.817
11-20 years ago..3.4313.431
21-30 years ago..1.1571.157
31-40 years ago..0.41000.4100
41-50 years ago..1.9431.943
over 50 years ago0.7703.7294.526
total1.54917.5619.04
SGless than 10 years ago2.93518.81221.711
11-20 years ago1.8449.81811.616
21-30 years ago0.41005.1265.425
31-40 years ago0.7702.9353.631
41-50 years ago..1.1571.157
over 50 years ago0.41005.8246.123
total6.12343.4649.54
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 ago0.410017.01117.411
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 ago0.8701.9442.636
total1.15730.3431.44
SZless than 10 years ago..10.91510.915
11-20 years ago1.1574.0285.125
21-30 years ago0.41001.1571.449
31-40 years ago..1.8441.844
41-50 years ago0.41001.8442.240
over 50 years ago..4.3274.327
total1.84423.9625.75
TGless than 10 years ago0.310014.9815.28
11-20 years ago0.31002.4342.731
21-30 years ago..2.7312.731
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago......
total0.67020.4421.04
TIless than 10 years ago3.9306.12410.018
11-20 years ago2.1415.7247.921
21-30 years ago1.4503.2334.727
31-40 years ago0.7713.2333.930
41-50 years ago0.7716.8227.521
over 50 years ago9.31952.6761.96
total18.31377.6595.94
URless than 10 years ago2.0393.0325.024
11-20 years ago0.31001.7442.039
21-30 years ago..1.4501.450
31-40 years ago0.7701.0571.744
41-50 years ago0.31001.0581.450
over 50 years ago..3.0313.031
total3.33011.01414.311
VDless than 10 years ago0.87141.7842.57
11-20 years ago1.15820.01321.212
21-30 years ago1.1589.91911.018
31-40 years ago0.41004.6284.927
41-50 years ago0.8715.3266.124
over 50 years ago1.5506.0247.522
total5.72587.5393.23
VSless than 10 years ago7.52112.41619.912
11-20 years ago3.43112.01615.414
21-30 years ago2.4375.8248.220
31-40 years ago1.0583.1334.128
41-50 years ago1.7446.2237.920
over 50 years ago9.31928.81038.18
total25.41068.3593.73
ZGless than 10 years ago0.41005.1135.69
11-20 years ago......
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago......
total0.41005.1135.69
ZHless than 10 years ago0.410036.7637.05
11-20 years ago..8.5198.519
21-30 years ago..2.8352.835
31-40 years ago..1.8441.844
41-50 years ago......
over 50 years ago..0.41000.4100
total0.410050.0250.42
Switzerlandless than 10 years ago39.89426.12465.82
11-20 years ago20.813178.74199.64
21-30 years ago13.51681.6695.16
31-40 years ago8.42052.2860.57
41-50 years ago6.02445.9951.98
over 50 years ago29.511161.54191.04
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163170/149550

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimeterless than 10 years ago51.07.056.312.441.57.729.93.620.75.134.22.6
11-20 years ago17.65.312.58.329.37.117.73.011.14.017.62.1
21-30 years ago13.74.86.36.17.34.112.82.69.53.711.31.7
31-40 years ago2.01.96.36.17.34.19.12.36.33.17.11.4
41-50 years ago2.01.96.36.14.93.46.11.94.82.75.01.2
over 50 years ago13.74.812.58.39.84.624.43.447.66.324.72.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago55.12.375.81.745.42.225.11.68.81.745.00.9
11-20 years ago24.72.014.01.425.01.919.01.47.31.618.90.8
21-30 years ago7.01.25.60.98.31.213.61.36.21.58.70.5
31-40 years ago5.61.02.20.67.81.27.00.94.71.35.50.4
41-50 years ago3.90.90.80.45.11.07.51.08.01.64.80.4
over 50 years ago3.70.91.60.58.41.227.81.665.02.917.00.7
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 #163171/149551

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · 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
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago9.5193.2336.12416.9144.62740.49
11-20 years ago3.3330.7714.32910.0182.53820.813
21-30 years ago2.6380.41001.1587.3222.14113.416
31-40 years ago0.41000.41001.1585.2261.4508.420
41-50 years ago0.41000.41000.7713.5311.1586.024
over 50 years ago2.6380.7711.45013.81610.61829.111
total18.6135.62514.81556.7722.312118.15
outside perimeterless than 10 years ago97.55167.2386.1564.778.520424.12
11-20 years ago43.8830.91047.6849.187.122178.54
21-30 years ago12.41712.31715.91535.0106.02481.66
31-40 years ago9.9194.92714.81518.0144.62752.28
41-50 years ago6.9231.8459.71919.4137.72145.69
over 50 years ago6.6233.53115.91571.7663.06160.74
total177.02220.71189.92257.9297.04942.61
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 #163172/149552

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · cause of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncause of salvage logging1000 ha± %1000 ha± %1000 ha± %
Western Juran/a13.216122.13135.32
insects0.41006.1246.423
fungi......
windthrow0.7713.6314.329
snow load0.4100..0.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..2.5382.538
others......
total14.615134.32148.92
Eastern Juran/a2.04435.1637.15
insects0.8700.8701.649
fungi..0.8700.870
windthrow..4.4294.429
snow load0.8700.41001.257
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.41001.2571.649
others..0.41000.4100
total4.03043.0447.03
Western Plateaun/a0.87039.4540.25
insects..2.9372.937
fungi......
windthrow..2.0442.044
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.8700.870
others..0.8700.870
total0.87046.3447.24
Central Plateaun/a2.53553.8456.34
insects0.31005.9226.221
fungi..0.6710.671
windthrow..3.1313.131
snow load..1.2501.250
avalanches......
landslides..0.31000.3100
flooding......
forest fire......
loss of vitality..0.9570.957
others......
total2.83365.9368.72
Eastern Plateaun/a1.84487.9389.73
insects..7.5217.521
fungi..1.4501.450
windthrow..6.1246.124
snow load..3.2333.233
avalanches......
landslides..0.41000.4100
flooding......
forest fire......
loss of vitality..0.7710.771
others..1.1581.158
total1.844108.32110.12
Western Pre-Alpsn/a3.03436.3639.25
insects..0.41000.4100
fungi......
windthrow0.41001.1571.549
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total3.33237.7541.14
Central Pre-Alpsn/a3.63183.5387.13
insects..5.7245.724
fungi......
windthrow..0.7710.771
snow load..0.7710.771
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total3.63191.1394.72
Eastern Pre-Alpsn/a6.42355.0561.44
insects0.41002.1402.537
fungi0.4100..0.4100
windthrow0.41001.1571.450
snow load0.41002.1402.537
avalanches......
landslides..0.41000.4100
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total7.92061.1468.93
Northwestern Alpsn/a7.92042.2650.05
insects..1.4501.450
fungi......
windthrow0.41002.5372.935
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total8.22046.5654.74
Central Alpsn/a3.43016.91120.49
insects......
fungi......
windthrow0.31000.7701.057
snow load..0.31000.3100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.3100..0.3100
others......
total4.12718.01022.18
Northeastern Alpsn/a4.72622.9927.67
insects..0.7700.770
fungi......
windthrow......
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total4.72624.0828.76
Southwestern Alpsn/a24.31166.3590.64
insects......
fungi......
windthrow0.31001.4501.744
snow load0.7710.7711.450
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total25.41068.3593.73
Southeastern Alpsn/a13.416101.54114.83
insects0.7710.7711.450
fungi......
windthrow..0.7710.771
snow load0.7711.4502.141
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total14.815104.33119.03
Southern Alpsn/a21.61294.14115.73
insects0.41000.41000.771
fungi......
windthrow..1.1581.158
snow load0.41000.7711.158
avalanches..0.7710.771
landslides......
flooding......
forest fire......
loss of vitality......
others......
total22.31297.04119.33
Switzerlandn/a108.55857.11965.61
insects2.93534.61037.510
fungi0.41002.8353.233
windthrow2.53828.31130.811
snow load3.23311.61714.915
avalanches..0.7710.771
landslides..1.0581.058
flooding......
forest fire......
loss of vitality0.7717.2228.021
others..2.3412.341
total118.25945.711063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163173/149553

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · basal area (standing live trees) · 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
avalanches SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha....21.24.018.04.724.37.110.95.118.22.4
20-39 m2/ha46.113.8..30.84.540.36.051.48.253.98.240.33.1
40-59 m2/ha53.913.8..32.74.626.85.418.96.424.47.129.12.8
from 60 m2/ha....15.43.514.94.45.43.710.85.112.42.0
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha24.01.928.61.724.91.542.23.727.82.931.32.627.80.9
20-39 m2/ha48.82.243.31.935.01.734.43.538.83.242.62.841.00.9
40-59 m2/ha22.81.921.91.527.81.619.42.924.92.821.22.323.80.8
from 60 m2/ha4.30.96.30.912.31.23.91.58.41.84.91.27.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha23.41.928.61.724.51.435.73.127.32.729.12.526.90.8
20-39 m2/ha48.82.243.31.934.51.636.03.140.53.043.82.740.90.9
40-59 m2/ha23.61.921.91.528.41.521.42.624.12.621.62.224.30.8
from 60 m2/ha4.20.96.30.912.61.16.91.68.01.65.51.27.90.5
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 #163174/149554

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · basal area (standing live trees) · 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
avalanches SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha....7.8214.1283.2331.45016.614
20-39 m2/ha2.241..11.3179.2186.7227.12236.610
40-59 m2/ha2.538..12.1176.2232.5373.23326.411
from 60 m2/ha....5.7253.4310.7711.45011.218
total4.727..36.9922.91113.11613.21690.86
outside perimeterto 19 m2/ha44.3872.5669.1726.01023.21134.29269.43
20-39 m2/ha90.15110.0497.2521.21232.5946.58397.52
40-59 m2/ha42.1855.5777.3612.01620.91223.212231.04
from 60 m2/ha7.92115.91534.1102.4387.1225.32572.77
total184.52253.91277.7261.6583.64109.24970.61
totalto 19 m2/ha44.3872.5677.0630.2926.41035.69285.93
20-39 m2/ha92.25110.04108.5530.5939.2853.77434.02
40-59 m2/ha44.7855.5789.4618.11323.31126.411257.43
from 60 m2/ha7.92115.91539.795.8247.8216.82383.96
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163175/149555

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · basal area (standing live trees) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonbasal area (standing live trees) %± %± %±
AGto 19 m2/ha..38.04.438.04.4
20-39 m2/ha..46.34.546.34.5
40-59 m2/ha..14.03.214.03.2
from 60 m2/ha..1.71.21.71.2
total..100.0.100.0.
AIto 19 m2/ha..16.711.113.39.0
20-39 m2/ha..8.38.26.76.6
40-59 m2/ha66.727.950.014.953.313.3
from 60 m2/ha33.328.025.012.826.711.7
total100.0.100.0.100.0.
ARto 19 m2/ha..16.77.716.07.5
20-39 m2/ha..16.77.816.07.5
40-59 m2/ha..37.510.036.09.7
from 60 m2/ha100.0.29.29.432.09.5
total100.0.100.0.100.0.
BEto 19 m2/ha31.87.325.92.126.42.0
20-39 m2/ha34.07.440.72.440.12.3
40-59 m2/ha34.27.424.72.125.52.0
from 60 m2/ha..8.81.48.01.2
total100.0.100.0.100.0.
BL/BSto 19 m2/ha..23.56.223.56.2
20-39 m2/ha..61.97.161.97.1
40-59 m2/ha..10.74.610.74.6
from 60 m2/ha..3.92.73.92.7
total..100.0.100.0.
FRto 19 m2/ha33.327.327.14.327.34.3
20-39 m2/ha66.727.328.14.429.14.4
40-59 m2/ha..34.64.633.64.5
from 60 m2/ha..10.22.910.02.9
total100.0.100.0.100.0.
GEto 19 m2/ha..21.019.921.019.9
20-39 m2/ha..62.922.362.922.3
40-59 m2/ha..16.214.416.214.4
from 60 m2/ha......
total..100.0.100.0.
GLto 19 m2/ha20.012.829.08.226.87.0
20-39 m2/ha30.014.635.58.734.17.5
40-59 m2/ha10.09.619.47.217.15.9
from 60 m2/ha40.015.616.16.722.06.5
total100.0.100.0.100.0.
GRto 19 m2/ha16.14.927.22.425.72.2
20-39 m2/ha53.56.738.62.640.72.4
40-59 m2/ha25.15.826.52.426.32.2
from 60 m2/ha5.43.07.71.47.41.3
total100.0.100.0.100.0.
JUto 19 m2/ha..23.64.623.04.5
20-39 m2/ha50.035.545.95.446.05.4
40-59 m2/ha50.035.522.34.522.94.5
from 60 m2/ha..8.23.08.12.9
total100.0.100.0.100.0.
LUto 19 m2/ha..21.13.720.73.6
20-39 m2/ha..46.24.545.54.5
40-59 m2/ha50.035.520.43.720.93.7
from 60 m2/ha50.035.512.33.012.93.0
total100.0.100.0.100.0.
NEto 19 m2/ha..25.74.924.84.7
20-39 m2/ha66.727.342.45.543.35.4
40-59 m2/ha33.327.429.45.129.55.0
from 60 m2/ha..2.41.72.31.6
total100.0.100.0.100.0.
NWto 19 m2/ha..14.39.611.88.0
20-39 m2/ha66.727.721.411.229.411.3
40-59 m2/ha33.327.857.113.452.912.3
from 60 m2/ha..7.17.05.95.8
total100.0.100.0.100.0.
OWto 19 m2/ha..36.87.233.26.6
20-39 m2/ha40.022.124.06.425.56.2
40-59 m2/ha60.022.128.36.731.46.5
from 60 m2/ha..10.94.69.84.2
total100.0.100.0.100.0.
SGto 19 m2/ha30.014.517.33.418.23.3
20-39 m2/ha20.012.737.04.335.84.1
40-59 m2/ha30.014.528.44.028.53.9
from 60 m2/ha20.012.717.33.417.53.3
total100.0.100.0.100.0.
SHto 19 m2/ha..13.95.813.95.8
20-39 m2/ha..58.38.258.38.2
40-59 m2/ha..27.87.527.87.5
from 60 m2/ha......
total..100.0.100.0.
SOto 19 m2/ha..25.34.825.34.8
20-39 m2/ha..53.05.553.05.5
40-59 m2/ha..19.34.319.34.3
from 60 m2/ha..2.41.72.41.7
total..100.0.100.0.
SZto 19 m2/ha16.715.320.05.019.74.7
20-39 m2/ha16.715.336.96.035.25.7
40-59 m2/ha50.020.535.46.036.65.8
from 60 m2/ha16.715.37.73.38.53.3
total100.0.100.0.100.0.
TGto 19 m2/ha..29.95.529.95.5
20-39 m2/ha..39.85.939.85.9
40-59 m2/ha..24.65.224.65.2
from 60 m2/ha..5.72.85.72.8
total..100.0.100.0.
TIto 19 m2/ha17.58.032.73.031.42.8
20-39 m2/ha52.110.444.03.244.73.0
40-59 m2/ha17.47.918.82.518.72.4
from 60 m2/ha13.07.04.51.35.21.4
total100.0.100.0.100.0.
URto 19 m2/ha11.110.517.86.616.45.7
20-39 m2/ha22.213.947.38.642.17.6
40-59 m2/ha44.416.720.36.925.36.6
from 60 m2/ha22.213.914.56.016.15.6
total100.0.100.0.100.0.
VDto 19 m2/ha10.09.526.72.926.02.8
20-39 m2/ha30.014.544.93.244.33.2
40-59 m2/ha30.014.521.22.721.62.6
from 60 m2/ha30.014.57.21.78.11.7
total100.0.100.0.100.0.
VSto 19 m2/ha17.04.541.13.534.82.9
20-39 m2/ha39.45.834.63.435.92.9
40-59 m2/ha28.15.319.32.821.62.5
from 60 m2/ha15.54.35.01.57.71.6
total100.0.100.0.100.0.
ZGto 19 m2/ha..38.513.938.513.9
20-39 m2/ha..46.214.346.214.3
40-59 m2/ha..15.410.415.410.4
from 60 m2/ha......
total..100.0.100.0.
ZHto 19 m2/ha..31.53.931.53.9
20-39 m2/ha..41.34.141.34.1
40-59 m2/ha..24.53.624.53.6
from 60 m2/ha..2.81.42.81.4
total..100.0.100.0.
Switzerlandto 19 m2/ha18.22.427.80.927.00.8
20-39 m2/ha40.33.141.10.941.00.9
40-59 m2/ha29.02.823.70.824.10.8
from 60 m2/ha12.52.17.40.57.80.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163176/149556
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