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NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %±
inside perimeterto 19 m2/ha19.65.612.58.326.86.926.23.441.26.227.42.4
20-39 m2/ha54.97.068.811.619.56.243.93.942.96.243.62.7
40-59 m2/ha23.55.918.89.843.97.823.83.311.14.023.62.3
from 60 m2/ha2.01.9..9.84.66.11.94.82.75.41.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha28.52.126.41.822.01.835.81.850.73.031.00.9
20-39 m2/ha51.62.342.22.041.92.240.61.836.82.942.91.0
40-59 m2/ha18.11.827.41.826.21.918.11.410.21.821.10.8
from 60 m2/ha1.90.64.00.89.91.35.50.82.20.95.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha27.61.926.11.722.41.734.01.649.02.730.60.8
20-39 m2/ha51.92.242.92.040.32.141.21.638.02.643.00.9
40-59 m2/ha18.71.727.21.827.51.919.11.310.41.721.40.7
from 60 m2/ha1.90.63.90.89.91.35.60.82.70.95.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155220/141599

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha3.7310.7714.03014.9159.21932.410
20-39 m2/ha10.2183.9302.93524.9119.61951.48
40-59 m2/ha4.4291.1586.52313.5162.53827.911
from 60 m2/ha0.4100..1.4503.5311.1586.324
total18.6135.62514.81556.7722.312118.15
outside perimeterto 19 m2/ha50.4758.3741.8892.3549.27292.03
20-39 m2/ha91.3593.1579.66104.8535.79404.52
40-59 m2/ha32.11060.4749.7846.789.918198.94
from 60 m2/ha3.3338.82018.71314.2152.14147.18
total177.02220.71189.92257.9297.04942.61
totalto 19 m2/ha54.0759.0745.88107.1558.46324.43
20-39 m2/ha101.5497.0582.55129.6445.38455.92
40-59 m2/ha36.5961.5756.2760.2712.416226.94
from 60 m2/ha3.6318.82020.21317.6143.23353.48
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155221/141600

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha17.94.731.07.117.05.531.15.423.86.641.26.227.52.4
20-39 m2/ha58.26.023.86.627.66.550.05.847.67.742.96.243.62.7
40-59 m2/ha22.45.138.17.544.77.316.24.319.06.111.14.023.62.3
from 60 m2/ha1.51.57.14.010.64.52.71.99.54.54.82.75.41.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha27.31.325.52.027.12.639.73.533.92.750.73.031.00.9
20-39 m2/ha46.31.542.22.238.12.939.63.543.52.936.82.942.91.0
40-59 m2/ha23.41.324.31.922.42.417.62.718.52.310.21.821.10.8
from 60 m2/ha3.10.58.01.212.41.93.01.24.01.12.20.95.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha26.81.325.91.925.72.437.42.932.72.549.02.730.60.8
20-39 m2/ha46.91.540.72.136.72.642.43.044.02.738.02.643.00.9
40-59 m2/ha23.31.225.41.925.52.417.22.318.62.110.41.721.40.7
from 60 m2/ha3.00.58.01.212.11.82.91.04.71.22.70.95.00.4
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, 04.11.2014 #155222/141601

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow 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/ha4.3294.7272.8357.9203.5319.21932.310
20-39 m2/ha13.9163.6314.52712.7167.0229.61951.38
40-59 m2/ha5.4265.8257.3214.1282.8352.53827.811
from 60 m2/ha0.41001.1581.7440.7711.4501.1586.324
total24.01215.11516.21425.41014.81522.312117.85
outside perimeterto 19 m2/ha108.7544.7827.31027.11035.4949.27292.43
20-39 m2/ha184.2373.9638.3827.11045.3735.79404.62
40-59 m2/ha93.0642.6822.51112.01619.3139.918199.34
from 60 m2/ha12.21714.11612.4162.1414.2282.14147.18
total398.11175.32100.4368.35104.3397.04943.41
totalto 19 m2/ha113.0549.4830.01035.0938.9858.46324.83
20-39 m2/ha198.2377.5642.8839.8852.4745.38455.92
40-59 m2/ha98.4548.3829.71016.11422.11212.416227.14
from 60 m2/ha12.51715.11514.1152.8355.6253.23353.48
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155223/141602

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionbasal area (standing live trees) %± %± %±
Western Jurato 19 m2/ha17.15.927.42.326.42.2
20-39 m2/ha58.57.753.22.653.72.4
40-59 m2/ha22.06.517.62.018.01.9
from 60 m2/ha2.42.41.90.71.90.7
total100.0.100.0.100.0.
Eastern Jurato 19 m2/ha30.014.532.24.532.04.3
20-39 m2/ha40.015.545.94.845.44.6
40-59 m2/ha30.014.520.13.820.93.7
from 60 m2/ha..1.81.31.71.2
total100.0.100.0.100.0.
Western Plateauto 19 m2/ha..24.64.124.24.0
20-39 m2/ha..32.94.432.34.4
40-59 m2/ha100.0.35.34.536.54.5
from 60 m2/ha..7.12.47.02.4
total100.0.100.0.100.0.
Central Plateauto 19 m2/ha11.110.521.72.821.32.8
20-39 m2/ha77.813.946.83.448.03.4
40-59 m2/ha11.110.528.23.127.53.0
from 60 m2/ha..3.31.23.21.2
total100.0.100.0.100.0.
Eastern Plateauto 19 m2/ha20.017.930.42.630.22.6
20-39 m2/ha80.017.942.62.843.22.8
40-59 m2/ha..23.82.423.42.4
from 60 m2/ha..3.31.03.21.0
total100.0.100.0.100.0.
Western Pre-Alpsto 19 m2/ha44.416.628.44.529.74.4
20-39 m2/ha22.213.942.14.940.54.7
40-59 m2/ha11.110.518.73.918.03.7
from 60 m2/ha22.213.910.83.111.73.1
total100.0.100.0.100.0.
Central Pre-Alpsto 19 m2/ha10.09.520.12.519.72.5
20-39 m2/ha20.012.744.13.143.23.1
40-59 m2/ha60.015.529.12.930.32.8
from 60 m2/ha10.09.56.71.66.81.6
total100.0.100.0.100.0.
Eastern Pre-Alpsto 19 m2/ha27.39.521.13.121.83.0
20-39 m2/ha18.28.238.63.736.33.5
40-59 m2/ha50.010.726.33.429.03.3
from 60 m2/ha4.54.514.02.713.02.4
total100.0.100.0.100.0.
Northwestern Alpsto 19 m2/ha34.79.933.84.234.03.8
20-39 m2/ha26.19.238.54.336.63.9
40-59 m2/ha39.210.219.23.522.23.4
from 60 m2/ha..8.52.47.22.1
total100.0.100.0.100.0.
Central Alpsto 19 m2/ha..34.86.628.35.7
20-39 m2/ha33.313.738.36.737.46.1
40-59 m2/ha50.014.517.45.323.55.3
from 60 m2/ha16.710.89.64.110.93.9
total100.0.100.0.100.0.
Northeastern Alpsto 19 m2/ha15.410.035.85.932.55.3
20-39 m2/ha38.413.537.35.937.55.4
40-59 m2/ha30.812.916.44.518.84.4
from 60 m2/ha15.410.010.43.811.23.5
total100.0.100.0.100.0.
Southwestern Alpsto 19 m2/ha31.15.439.73.537.42.9
20-39 m2/ha50.05.839.63.542.43.0
40-59 m2/ha16.24.317.62.717.22.3
from 60 m2/ha2.71.93.01.22.91.0
total100.0.100.0.100.0.
Southeastern Alpsto 19 m2/ha23.86.633.92.732.72.5
20-39 m2/ha47.67.743.52.944.02.7
40-59 m2/ha19.06.118.52.318.62.1
from 60 m2/ha9.54.54.01.14.71.2
total100.0.100.0.100.0.
Southern Alpsto 19 m2/ha41.26.250.73.049.02.7
20-39 m2/ha42.96.236.82.938.02.6
40-59 m2/ha11.14.010.21.810.41.7
from 60 m2/ha4.82.72.20.92.70.9
total100.0.100.0.100.0.
Switzerlandto 19 m2/ha27.52.431.00.930.60.8
20-39 m2/ha43.32.742.81.042.90.9
40-59 m2/ha23.82.321.10.821.40.7
from 60 m2/ha5.41.25.00.45.10.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155224/141603

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
Western Jurato 19 m2/ha2.53836.8939.38
20-39 m2/ha8.62071.4579.95
40-59 m2/ha3.23323.61126.811
from 60 m2/ha0.41002.5382.935
total14.615134.32148.92
Eastern Jurato 19 m2/ha1.25713.81415.014
20-39 m2/ha1.64919.81121.410
40-59 m2/ha1.2578.6209.818
from 60 m2/ha..0.8700.870
total4.03043.0447.03
Western Plateauto 19 m2/ha..11.41711.417
20-39 m2/ha..15.21415.214
40-59 m2/ha0.87016.41317.213
from 60 m2/ha..3.3343.334
total0.87046.3447.24
Central Plateauto 19 m2/ha0.310014.31314.613
20-39 m2/ha2.23730.8833.07
40-59 m2/ha0.310018.61118.911
from 60 m2/ha..2.2372.237
total2.83365.9368.72
Eastern Plateauto 19 m2/ha0.410032.9933.29
20-39 m2/ha1.45046.1747.57
40-59 m2/ha..25.71025.710
from 60 m2/ha..3.6313.631
total1.844108.32110.12
Western Pre-Alpsto 19 m2/ha1.54910.71712.215
20-39 m2/ha0.77015.91316.612
40-59 m2/ha0.41007.0217.421
from 60 m2/ha0.7704.1294.826
total3.33237.7541.14
Central Pre-Alpsto 19 m2/ha0.410018.31318.613
20-39 m2/ha0.77140.2840.98
40-59 m2/ha2.24026.51028.710
from 60 m2/ha0.41006.1246.523
total3.63191.1394.72
Eastern Pre-Alpsto 19 m2/ha2.14012.91515.014
20-39 m2/ha1.45023.61025.010
40-59 m2/ha3.92916.11320.012
from 60 m2/ha0.41008.6198.919
total7.92061.1468.93
Northwestern Alpsto 19 m2/ha2.93515.71318.612
20-39 m2/ha2.14017.91220.012
40-59 m2/ha3.2338.91912.216
from 60 m2/ha..3.9293.929
total8.22046.5654.74
Central Alpsto 19 m2/ha..6.2226.222
20-39 m2/ha1.4496.9208.218
40-59 m2/ha2.1403.1325.224
from 60 m2/ha0.7701.7442.437
total4.12718.01022.18
Northeastern Alpsto 19 m2/ha0.7708.6189.317
20-39 m2/ha1.8448.91810.716
40-59 m2/ha1.4503.9295.425
from 60 m2/ha0.7702.5373.232
total4.72624.0828.76
Southwestern Alpsto 19 m2/ha7.92027.11035.09
20-39 m2/ha12.71627.11039.88
40-59 m2/ha4.12812.01616.114
from 60 m2/ha0.7712.1412.835
total25.41068.3593.73
Southeastern Alpsto 19 m2/ha3.53135.4938.98
20-39 m2/ha7.02245.3752.47
40-59 m2/ha2.83519.31322.112
from 60 m2/ha1.4504.2285.625
total14.815104.33119.03
Southern Alpsto 19 m2/ha9.21949.2758.46
20-39 m2/ha9.61935.7945.38
40-59 m2/ha2.5389.91812.416
from 60 m2/ha1.1582.1413.233
total22.31297.04119.33
Switzerlandto 19 m2/ha32.510293.43325.93
20-39 m2/ha51.28404.82456.02
40-59 m2/ha28.111199.84227.94
from 60 m2/ha6.42447.7854.08
total118.25945.711063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155225/141604

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetern/a3.62.5..2.11.54.52.55.43.7..2.70.9
critical3.62.55.35.14.32.14.52.510.85.1..4.21.1
less stable40.06.668.410.757.05.132.85.751.48.248.56.347.92.7
stable52.76.726.310.136.55.058.26.032.47.751.56.245.32.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.40.84.40.86.50.96.21.83.01.12.91.04.70.4
critical3.40.87.01.06.10.99.42.28.41.84.31.26.10.5
less stable37.92.245.61.952.41.836.13.645.23.248.53.045.91.0
stable55.32.342.91.935.01.748.33.743.53.244.43.043.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.40.84.30.86.00.85.71.53.31.12.30.84.50.4
critical3.40.87.00.95.90.88.11.78.71.73.51.05.90.4
less stable38.12.146.21.952.91.735.23.046.03.048.52.746.10.9
stable55.02.242.51.835.21.651.03.242.03.045.72.743.60.9
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, 04.11.2014 #155226/141605

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.771..0.7711.0580.771..3.233
critical0.7710.41001.4501.0581.450..4.927
less stable7.9214.62818.8137.5216.72211.11756.68
stable10.4181.84512.11713.3154.22811.81753.68
total19.8136.72333.01022.91113.11622.812118.35
outside perimetern/a5.82511.01818.2143.8302.5372.83544.19
critical5.82517.31417.1145.8247.0224.32957.48
less stable64.16112.84147.6422.31137.8848.37432.82
stable93.75106.1598.7529.8936.3844.28408.72
total169.32247.21281.6261.7583.6499.64943.01
totaln/a6.52311.01818.9134.8263.2332.83547.29
critical6.52317.71418.6146.8228.5204.32962.37
less stable72.06117.44166.4429.8944.5759.36489.52
stable104.14107.95110.7543.1740.6855.97462.32
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155227/141606

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability %± %± %±
AGn/a..5.92.25.82.1
critical..5.12.05.02.0
less stable100.0.47.54.648.84.5
stable..41.54.640.54.5
total100.0.100.0.100.0.
AIn/a..14.39.613.39.0
critical......
less stable..57.113.553.313.2
stable100.0.28.612.433.312.5
total100.0.100.0.100.0.
ARn/a......
critical......
less stable50.020.842.111.544.010.1
stable50.020.857.911.456.010.0
total100.0.100.0.100.0.
BEn/a2.01.95.51.15.11.0
critical5.93.35.21.15.31.0
less stable45.27.049.22.448.72.3
stable47.07.040.22.440.92.3
total100.0.100.0.100.0.
BL/BSn/a..9.84.78.54.1
critical..2.52.42.12.1
less stable66.719.431.97.336.37.1
stable33.319.455.97.853.07.3
total100.0.100.0.100.0.
FRn/a..10.32.99.92.8
critical..7.62.67.32.5
less stable25.021.737.84.737.34.6
stable75.021.744.44.845.54.7
total100.0.100.0.100.0.
GEn/a......
critical......
less stable..62.922.362.922.3
stable..37.122.337.122.3
total..100.0.100.0.
GLn/a..6.14.24.93.4
critical12.511.812.15.712.25.2
less stable75.015.448.58.753.77.8
stable12.511.833.38.329.37.2
total100.0.100.0.100.0.
GRn/a3.72.63.71.03.70.9
critical9.33.98.21.58.31.4
less stable55.66.848.02.749.02.5
stable31.56.340.12.639.02.4
total100.0.100.0.100.0.
JUn/a..2.41.72.31.6
critical..1.21.21.21.2
less stable40.022.029.35.029.94.9
stable60.022.067.05.266.65.1
total100.0.100.0.100.0.
LUn/a..2.71.62.71.5
critical..3.21.63.21.6
less stable100.0.61.14.461.44.4
stable..33.04.232.74.2
total100.0.100.0.100.0.
NEn/a20.012.74.62.66.42.8
critical..1.31.31.21.2
less stable20.012.722.54.822.24.5
stable60.015.571.65.370.25.0
total100.0.100.0.100.0.
NWn/a......
critical......
less stable..56.212.652.912.3
stable100.0.43.812.647.112.3
total100.0.100.0.100.0.
OWn/a..8.34.07.73.7
critical..8.54.17.93.8
less stable100.0.64.07.066.86.5
stable..19.25.817.75.4
total100.0.100.0.100.0.
SGn/a..5.02.04.41.8
critical..10.02.78.82.4
less stable64.711.651.74.653.34.3
stable35.311.633.34.333.64.0
total100.0.100.0.100.0.
SHn/a..5.94.15.63.9
critical..5.94.15.63.9
less stable50.035.838.28.438.98.2
stable50.035.850.08.650.08.4
total100.0.100.0.100.0.
SOn/a..1.31.21.21.2
critical..3.72.13.62.1
less stable100.0.66.35.367.55.2
stable..28.85.127.74.9
total100.0.100.0.100.0.
SZn/a..4.62.64.22.4
critical..4.52.64.22.4
less stable80.017.948.56.250.75.9
stable20.018.042.46.140.85.8
total100.0.100.0.100.0.
TGn/a..4.42.54.32.4
critical..7.33.27.13.1
less stable50.035.639.55.939.85.9
stable50.035.648.76.148.86.0
total100.0.100.0.100.0.
TIn/a..2.81.12.20.9
critical..3.21.22.61.0
less stable43.16.944.63.444.33.0
stable56.96.949.43.450.83.1
total100.0.100.0.100.0.
URn/a..6.04.14.63.2
critical..9.45.27.24.0
less stable100.0.60.78.669.77.1
stable..23.97.418.45.9
total100.0.100.0.100.0.
VDn/a..4.31.34.01.3
critical13.38.86.51.66.91.6
less stable33.312.242.43.341.93.2
stable53.312.946.83.347.23.2
total100.0.100.0.100.0.
VSn/a5.42.65.61.65.51.4
critical4.12.38.52.07.31.6
less stable32.45.436.73.435.52.9
stable58.15.749.23.551.63.0
total100.0.100.0.100.0.
ZGn/a......
critical..16.711.115.410.4
less stable..41.714.738.513.9
stable100.0.41.714.746.214.3
total100.0.100.0.100.0.
ZHn/a..4.21.74.21.7
critical..9.22.49.12.4
less stable..44.44.244.14.2
stable100.0.42.34.242.74.1
total100.0.100.0.100.0.
Switzerlandn/a2.60.94.70.44.50.4
critical4.21.16.10.55.90.4
less stable48.02.745.91.046.10.9
stable45.22.743.31.043.50.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155228/141607

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGn/a..2.8372.837
critical..2.4402.440
less stable1.25722.51023.710
stable..19.71119.711
total1.25747.5348.72
AIn/a..0.6690.669
critical......
less stable..2.6272.627
stable0.31001.3451.639
total0.31004.5134.811
ARn/a......
critical......
less stable1.0552.6303.523
stable1.0553.5234.518
total1.9376.1128.05
BEn/a0.31007.9218.320
critical1.0587.5218.520
less stable7.92071.2679.15
stable8.22058.2666.46
total17.513144.83162.32
BL/BSn/a..1.6491.649
critical..0.41000.4100
less stable1.6495.3246.920
stable0.8709.31610.115
total2.43916.6819.16
FRn/a..4.1294.129
critical..3.0343.034
less stable0.410015.01315.313
stable1.15717.61118.711
total1.54939.6441.13
GEn/a......
critical......
less stable..1.4481.448
stable..0.8710.871
total..2.2342.234
GLn/a..0.8700.870
critical0.41001.5491.943
less stable2.3396.2218.517
stable0.41004.2274.626
total3.13312.71115.88
GRn/a0.7714.5275.225
critical1.74510.11811.917
less stable10.51859.3669.86
stable5.92449.5755.47
total18.913123.53142.33
JUn/a..0.8700.870
critical..0.41000.4100
less stable0.8709.41810.117
stable1.25721.4922.68
total1.94431.9433.93
LUn/a..1.1581.158
critical..1.3491.349
less stable0.310023.8824.28
stable..12.91312.913
total0.310039.0339.33
NEn/a0.6701.1581.845
critical..0.31000.3100
less stable0.6705.4226.121
stable1.94017.3919.28
total3.23024.2627.44
NWn/a......
critical......
less stable..3.5263.526
stable0.41002.7323.129
total0.41006.1146.513
OWn/a..1.5491.549
critical..1.5491.549
less stable1.54911.21212.710
stable..3.4313.431
total1.54917.5619.04
SGn/a..2.2402.240
critical..4.3284.328
less stable4.02922.41026.49
stable2.24014.51416.613
total6.12343.4649.54
SHn/a..0.7700.770
critical..0.7700.770
less stable0.41004.6235.021
stable0.41006.1186.417
total0.77012.1512.83
SOn/a..0.41000.4100
critical..1.1581.158
less stable1.15720.1921.28
stable..8.7188.718
total1.15730.3431.44
SZn/a..1.1571.157
critical..1.1571.157
less stable1.44911.61413.013
stable0.410010.11510.515
total1.84423.9625.75
TGn/a..0.9570.957
critical..1.5431.543
less stable0.31008.1158.415
stable0.31009.91410.213
total0.67020.4421.04
TIn/a..2.1412.141
critical..2.5372.537
less stable7.92134.6942.58
stable10.41838.4848.87
total18.31377.6595.94
URn/a..0.7700.770
critical..1.0581.058
less stable3.3306.72010.015
stable..2.6342.634
total3.33011.01414.311
VDn/a..3.8313.831
critical0.8715.7256.424
less stable1.94437.1839.08
stable3.03540.9844.07
total5.72587.5393.23
VSn/a1.4503.8305.225
critical1.0585.8246.922
less stable8.22025.01133.39
stable14.71433.6948.47
total25.41068.3593.73
ZGn/a......
critical..0.9680.968
less stable..2.1372.137
stable0.41002.1372.632
total0.41005.1135.69
ZHn/a..2.1402.140
critical..4.6274.627
less stable..22.21022.210
stable0.410021.11021.510
total0.410050.0250.42
Switzerlandn/a3.13344.6947.69
critical4.92757.7862.67
less stable56.68433.92490.52
stable53.48409.92463.32
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155229/141608

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %±
inside perimetern/a3.92.7....4.31.6..2.70.9
critical2.01.912.58.34.93.45.51.8..4.11.1
less stable45.17.037.512.153.77.848.23.947.76.347.82.7
stable49.07.050.012.541.57.742.03.952.36.345.42.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.90.94.20.86.41.15.00.82.91.04.70.4
critical2.90.87.31.05.11.08.61.04.01.26.10.5
less stable38.42.246.32.051.82.245.11.849.23.045.91.0
stable54.82.342.22.036.62.141.31.843.93.043.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.90.84.10.86.01.04.90.72.40.84.40.4
critical2.80.77.51.05.10.98.10.93.31.05.80.4
less stable39.02.146.12.051.92.145.61.748.92.746.10.9
stable54.32.242.41.937.02.041.51.645.52.743.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155230/141609

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.771....2.438..3.133
critical0.41000.7710.7713.133..4.927
less stable8.4202.1417.92127.31110.61856.48
stable9.1202.8356.12423.81211.71753.68
total18.6135.62514.81556.7722.312118.15
outside perimetern/a6.9239.21912.21712.8162.83544.09
critical5.12716.2149.71922.2123.93057.18
less stable67.96102.2498.45116.3547.77432.52
stable97.1593.1569.66106.6542.58408.92
total177.02220.71189.92257.9297.04942.61
totaln/a7.7229.21912.21715.3152.83547.29
critical5.52616.91410.51825.3113.93062.07
less stable76.36104.34106.34143.6458.36488.92
stable106.2495.9575.76130.4454.27462.52
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155231/141610

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetern/a3.02.12.42.4..5.42.64.83.3..2.70.9
critical4.52.54.83.32.12.14.12.311.95.0..4.21.1
less stable43.36.152.47.770.26.732.45.452.47.747.76.347.82.7
stable49.36.140.57.627.66.558.15.731.07.152.36.345.32.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.00.66.61.16.01.45.61.63.71.12.91.04.70.4
critical5.40.75.81.17.41.68.52.08.41.64.01.26.10.5
less stable42.91.553.12.350.22.936.73.444.52.949.23.045.91.0
stable47.71.534.62.236.42.849.23.543.42.943.93.043.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.00.66.31.15.21.25.51.43.81.02.40.84.50.4
critical5.30.75.71.06.61.47.31.68.81.53.31.05.90.4
less stable42.91.453.02.253.02.735.52.945.42.748.92.746.10.9
stable47.81.535.02.135.22.651.63.041.92.745.52.743.50.9
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, 04.11.2014 #155232/141611

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.7710.4100..1.4500.771..3.133
critical1.1580.7710.31001.0581.845..4.927
less stable10.4187.92111.4178.2207.72110.61856.38
stable11.8176.1244.52714.7144.62711.71753.48
total24.01215.11516.21425.41014.81522.312117.85
outside perimetern/a16.11511.5176.0243.8303.9302.83544.29
critical21.51310.1187.4215.8248.8203.93057.58
less stable170.6493.0550.4725.01146.4747.77433.22
stable189.9360.6736.6833.6945.3742.58408.62
total398.11175.32100.4368.35104.3397.04943.41
totaln/a16.81411.9176.0245.2254.6272.83547.39
critical22.51210.8187.7216.92210.5183.93062.47
less stable181.03101.0561.8633.3954.1758.36489.52
stable201.7366.7641.1848.4749.9754.27462.02
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155233/141612

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability %± %± %±
Western Juran/a4.93.43.20.93.40.9
critical2.42.42.90.92.90.8
less stable39.07.636.42.536.72.4
stable53.77.857.42.657.12.4
total100.0.100.0.100.0.
Eastern Juran/a..6.42.45.92.2
critical..2.81.62.51.4
less stable70.014.545.04.847.14.6
stable30.014.545.84.844.54.6
total100.0.100.0.100.0.
Western Plateaun/a..4.31.94.21.9
critical..3.61.83.51.7
less stable..39.94.639.24.6
stable100.0.52.24.753.14.7
total100.0.100.0.100.0.
Central Plateaun/a..4.01.43.81.3
critical22.213.97.11.87.71.8
less stable33.315.753.13.452.33.4
stable44.416.635.83.336.23.2
total100.0.100.0.100.0.
Eastern Plateaun/a..4.31.24.21.1
critical..8.91.68.81.6
less stable60.021.943.92.944.22.8
stable40.021.942.92.842.92.8
total100.0.100.0.100.0.
Western Pre-Alpsn/a..11.73.210.72.9
critical22.213.911.83.212.63.2
less stable33.315.841.24.940.64.7
stable44.416.635.34.836.14.6
total100.0.100.0.100.0.
Central Pre-Alpsn/a..5.11.44.91.3
critical..3.11.13.01.1
less stable70.014.557.93.158.33.0
stable30.014.533.93.033.72.9
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..5.31.74.71.5
critical..4.11.53.61.3
less stable54.510.649.13.849.73.6
stable45.510.641.53.842.03.6
total100.0.100.0.100.0.
Northwestern Alpsn/a4.34.35.42.05.21.8
critical..6.12.15.21.8
less stable52.210.453.14.453.04.0
stable43.410.435.44.236.63.9
total100.0.100.0.100.0.
Central Alpsn/a..7.73.76.23.0
critical..5.93.34.82.7
less stable100.0.65.46.671.95.6
stable..21.15.717.14.7
total100.0.100.0.100.0.
Northeastern Alpsn/a..6.02.95.02.4
critical7.77.416.44.515.04.0
less stable69.312.841.86.146.35.6
stable23.111.735.85.933.75.3
total100.0.100.0.100.0.
Southwestern Alpsn/a5.42.65.61.65.51.4
critical4.12.38.52.07.31.6
less stable32.45.436.73.435.52.9
stable58.15.749.23.551.63.0
total100.0.100.0.100.0.
Southeastern Alpsn/a4.83.33.71.13.81.0
critical11.95.08.41.68.81.5
less stable52.47.744.52.945.42.7
stable31.07.143.42.941.92.7
total100.0.100.0.100.0.
Southern Alpsn/a..2.91.02.40.8
critical..4.01.23.31.0
less stable47.76.349.23.048.92.7
stable52.36.343.93.045.52.7
total100.0.100.0.100.0.
Switzerlandn/a2.70.94.70.44.50.4
critical4.11.16.10.55.80.4
less stable47.92.745.81.046.00.9
stable45.32.743.41.043.70.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155234/141613

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha3.23310.1194.52712.4168.8198.22047.18
101-200 stems/ha1.4507.9215.5259.9184.9263.93033.610
201-300 stems/ha..1.8453.1332.1411.158..8.021
301-400 stems/ha..0.41000.3100..0.7710.41001.845
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total4.72820.21313.41524.41115.51412.41690.56
outside perimeter0-100 stems/ha248.6396.3555.2653.9661.8689.94605.62
101-200 stems/ha129.1450.8735.6913.41532.7915.614277.23
201-300 stems/ha34.01019.1139.7182.1418.1201.15874.07
301-400 stems/ha5.0272.2412.438..1.1580.410011.018
401-500 stems/ha0.41001.4500.3100......2.141
501- 600 stems/ha0.41000.4100........0.771
more than 600 stems/ha..............
total417.41170.22103.2369.35103.63106.94970.61
total0-100 stems/ha251.83106.4459.7666.2570.6598.04652.72
101-200 stems/ha130.6458.8741.1823.31137.6819.513310.83
201-300 stems/ha34.01020.91312.8164.1299.1191.15882.06
301-400 stems/ha5.0272.5382.835..1.8450.77112.817
401-500 stems/ha0.41001.4500.3100......2.141
501- 600 stems/ha0.41000.4100........0.771
more than 600 stems/ha..............
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155235/141614

NFI1

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 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimetern/a....1.11.1......0.30.3
less than 10 years ago58.26.673.710.153.85.219.44.854.18.229.75.744.42.7
11-20 years ago14.54.815.88.419.34.116.44.516.26.112.54.116.12.0
21-30 years ago18.25.25.35.18.62.920.95.08.14.514.14.313.41.9
31-40 years ago1.81.8..6.42.516.44.5..20.35.09.21.6
41-50 years ago1.81.8..1.11.13.02.15.43.714.14.34.51.1
over 50 years ago5.53.15.35.19.73.123.95.216.26.19.43.612.11.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.10.50.30.20.40.2....0.40.40.40.1
less than 10 years ago69.12.177.41.649.01.818.32.942.23.210.01.853.30.9
11-20 years ago16.41.714.71.321.01.415.02.714.82.311.81.916.60.7
21-30 years ago7.41.23.30.78.81.021.13.012.22.19.71.88.30.5
31-40 years ago1.50.61.30.46.70.911.12.35.91.516.12.25.50.4
41-50 years ago0.20.20.10.13.30.66.11.84.21.313.22.03.20.3
over 50 years ago4.30.92.90.610.91.128.33.420.62.638.92.912.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.00.40.30.20.50.2....0.30.30.40.1
less than 10 years ago68.02.077.31.649.51.718.62.543.83.013.71.952.30.8
11-20 years ago16.21.614.81.320.91.415.42.315.02.211.91.716.60.7
21-30 years ago8.61.23.30.78.81.021.12.611.71.910.51.78.90.5
31-40 years ago1.50.51.30.46.70.812.52.15.11.316.92.06.00.4
41-50 years ago0.40.30.10.13.00.65.31.44.41.213.31.83.40.3
over 50 years ago4.40.92.90.610.71.027.12.820.02.433.42.512.50.6
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, 04.11.2014 #155236/141615

NFI1

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 1983/85
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 perimetern/a....0.4100......0.4100
less than 10 years ago11.5174.92617.7144.4277.1226.82352.58
11-20 years ago2.9351.1586.4233.8302.1412.83519.113
21-30 years ago3.6310.41002.8354.8261.1583.23315.815
31-40 years ago0.4100..2.1413.830..4.62710.918
41-50 years ago0.4100..0.41000.7710.7713.2335.326
over 50 years ago1.1580.41003.2335.5242.1412.14114.415
total19.8136.72333.01022.91113.11622.812118.35
outside perimetern/a1.8450.7711.158....0.41003.930
less than 10 years ago117.14191.32137.9411.31735.3910.018502.82
11-20 years ago27.81136.4959.279.31912.41611.817156.84
21-30 years ago12.6168.12124.81213.01510.2189.61978.46
31-40 years ago2.5383.23318.8136.8224.92616.01452.38
41-50 years ago0.41000.41009.2193.8303.53113.11630.411
over 50 years ago7.2227.12230.61017.51317.31338.79118.35
total169.32247.21281.6261.7583.6499.64943.01
totaln/a1.8450.7711.450....0.41004.329
less than 10 years ago128.63196.32155.6415.71442.4816.814555.42
11-20 years ago30.61037.5965.6713.01514.51514.615175.84
21-30 years ago16.2148.52027.71117.81311.31712.81694.36
31-40 years ago2.9353.23320.91310.6174.92620.71263.27
41-50 years ago0.7710.41009.6194.4274.22816.31435.710
over 50 years ago8.3217.42233.81022.91119.41340.98132.75
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155237/141616

NFI1

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 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGn/a......
less than 10 years ago33.327.374.64.073.64.0
11-20 years ago33.327.317.83.518.23.5
21-30 years ago..5.92.25.82.1
31-40 years ago..0.80.80.80.8
41-50 years ago......
over 50 years ago33.327.30.80.81.71.2
total100.0.100.0.100.0.
AIn/a......
less than 10 years ago100.0.71.412.273.311.5
11-20 years ago..21.411.320.010.6
21-30 years ago......
31-40 years ago..7.17.16.76.6
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
ARn/a......
less than 10 years ago83.315.468.410.772.09.0
11-20 years ago16.715.521.19.520.08.1
21-30 years ago......
31-40 years ago......
41-50 years ago..5.35.24.04.0
over 50 years ago..5.35.24.04.0
total100.0.100.0.100.0.
BEn/a..0.20.20.20.2
less than 10 years ago60.86.866.82.366.22.2
11-20 years ago17.65.316.31.816.51.7
21-30 years ago13.74.85.41.16.31.1
31-40 years ago3.92.72.40.72.50.7
41-50 years ago2.01.91.40.61.50.6
over 50 years ago2.01.97.41.36.81.2
total100.0.100.0.100.0.
BL/BSn/a......
less than 10 years ago50.020.673.56.870.56.6
11-20 years ago50.020.619.16.223.16.2
21-30 years ago..4.93.44.33.0
31-40 years ago......
41-50 years ago......
over 50 years ago..2.52.42.12.1
total100.0.100.0.100.0.
FRn/a......
less than 10 years ago75.021.749.14.950.04.8
11-20 years ago..27.44.326.44.2
21-30 years ago..8.52.78.22.6
31-40 years ago25.021.73.71.84.52.0
41-50 years ago..0.90.90.90.9
over 50 years ago..10.43.010.02.9
total100.0.100.0.100.0.
GEn/a......
less than 10 years ago..37.122.337.122.3
11-20 years ago......
21-30 years ago..21.019.921.019.9
31-40 years ago..41.923.741.923.7
41-50 years ago......
over 50 years ago......
total..100.0.100.0.
GLn/a......
less than 10 years ago50.017.857.68.756.17.8
11-20 years ago25.015.415.26.317.15.9
21-30 years ago..6.14.24.93.4
31-40 years ago..6.14.24.93.4
41-50 years ago......
over 50 years ago25.015.415.26.317.15.9
total100.0.100.0.100.0.
GRn/a......
less than 10 years ago51.96.837.92.639.72.4
11-20 years ago18.55.316.12.016.41.8
21-30 years ago11.14.311.31.711.31.6
31-40 years ago1.91.89.01.58.11.4
41-50 years ago5.63.15.41.25.41.1
over 50 years ago11.14.320.32.119.11.9
total100.0.100.0.100.0.
JUn/a......
less than 10 years ago40.022.063.55.362.15.2
11-20 years ago..19.44.418.34.2
21-30 years ago20.018.09.83.310.43.3
31-40 years ago..1.21.21.21.2
41-50 years ago......
over 50 years ago40.022.06.12.78.12.9
total100.0.100.0.100.0.
LUn/a......
less than 10 years ago100.0.77.53.877.73.7
11-20 years ago..17.73.417.53.4
21-30 years ago..1.61.11.61.1
31-40 years ago......
41-50 years ago..1.61.11.61.1
over 50 years ago..1.61.11.61.1
total100.0.100.0.100.0.
NEn/a..1.31.31.21.2
less than 10 years ago90.09.478.84.780.14.3
11-20 years ago10.09.510.63.610.53.3
21-30 years ago..2.71.92.31.6
31-40 years ago..4.02.33.52.0
41-50 years ago......
over 50 years ago..2.71.92.31.6
total100.0.100.0.100.0.
NWn/a..6.36.25.95.8
less than 10 years ago100.0.31.311.835.311.8
11-20 years ago..18.810.017.69.4
21-30 years ago......
31-40 years ago..18.810.017.69.4
41-50 years ago......
over 50 years ago..25.011.123.510.5
total100.0.100.0.100.0.
OWn/a......
less than 10 years ago25.021.846.77.345.07.0
11-20 years ago..10.74.59.84.2
21-30 years ago..10.74.59.84.2
31-40 years ago..10.74.59.84.2
41-50 years ago..10.74.59.84.2
over 50 years ago75.021.810.74.515.75.1
total100.0.100.0.100.0.
SGn/a......
less than 10 years ago70.611.151.64.654.04.3
11-20 years ago17.79.320.03.719.73.4
21-30 years ago5.95.710.82.810.22.6
31-40 years ago..8.32.57.32.2
41-50 years ago5.95.71.71.22.21.3
over 50 years ago..7.52.46.62.1
total100.0.100.0.100.0.
SHn/a..2.92.92.82.8
less than 10 years ago50.035.882.46.480.66.4
11-20 years ago50.035.88.84.911.15.3
21-30 years ago..2.92.92.82.8
31-40 years ago..2.92.92.82.8
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
SOn/a......
less than 10 years ago33.327.480.04.578.34.5
11-20 years ago..8.83.28.43.1
21-30 years ago66.727.46.32.78.43.1
31-40 years ago..2.51.82.41.7
41-50 years ago......
over 50 years ago..2.51.82.41.7
total100.0.100.0.100.0.
SZn/a......
less than 10 years ago60.022.045.56.246.56.0
11-20 years ago20.018.015.14.415.54.3
21-30 years ago20.018.015.14.415.54.3
31-40 years ago..7.63.37.03.1
41-50 years ago..3.02.12.82.0
over 50 years ago..13.64.212.74.0
total100.0.100.0.100.0.
TGn/a......
less than 10 years ago100.0.79.54.980.14.8
11-20 years ago..17.64.617.14.5
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago..2.92.12.82.0
total100.0.100.0.100.0.
TIn/a..0.50.50.40.4
less than 10 years ago25.56.16.91.710.51.9
11-20 years ago9.84.212.02.211.62.0
21-30 years ago11.84.510.22.110.51.9
31-40 years ago25.56.114.82.416.82.3
41-50 years ago15.75.113.32.313.82.1
over 50 years ago11.84.542.43.436.52.9
total100.0.100.0.100.0.
URn/a......
less than 10 years ago50.015.933.38.337.27.4
11-20 years ago20.012.715.46.416.45.7
21-30 years ago10.09.512.45.811.85.0
31-40 years ago..6.04.14.63.2
41-50 years ago..6.04.14.63.2
over 50 years ago20.012.726.97.725.36.6
total100.0.100.0.100.0.
VDn/a..2.61.12.41.0
less than 10 years ago26.711.452.03.350.43.2
11-20 years ago13.38.822.92.822.32.7
21-30 years ago33.312.29.51.911.02.0
31-40 years ago13.38.84.31.34.81.4
41-50 years ago..2.21.02.00.9
over 50 years ago13.38.86.51.66.91.6
total100.0.100.0.100.0.
VSn/a1.41.3..0.40.4
less than 10 years ago20.34.719.62.819.82.4
11-20 years ago17.64.415.62.616.12.2
21-30 years ago20.34.720.62.920.52.4
31-40 years ago16.24.311.02.212.42.0
41-50 years ago2.71.96.01.75.11.3
over 50 years ago21.64.827.13.225.62.6
total100.0.100.0.100.0.
ZGn/a......
less than 10 years ago100.0.75.012.876.911.9
11-20 years ago..25.012.923.112.1
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
ZHn/a......
less than 10 years ago100.0.83.13.083.23.0
11-20 years ago..12.72.812.62.8
21-30 years ago..2.11.22.11.2
31-40 years ago......
41-50 years ago......
over 50 years ago..2.11.22.11.2
total100.0.100.0.100.0.
Switzerlandn/a0.30.30.40.10.40.1
less than 10 years ago44.02.753.20.952.10.8
11-20 years ago16.22.016.70.716.60.7
21-30 years ago13.51.98.40.59.00.5
31-40 years ago9.31.65.60.46.00.4
41-50 years ago4.51.13.20.33.40.3
over 50 years ago12.31.812.50.612.50.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155238/141617

NFI1

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 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a......
less than 10 years ago0.410035.4635.86
11-20 years ago0.41008.5208.919
21-30 years ago..2.8372.837
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago0.41000.41000.870
total1.25747.5348.72
AIn/a......
less than 10 years ago0.31003.2213.519
11-20 years ago..1.0541.054
21-30 years ago......
31-40 years ago..0.31000.3100
41-50 years ago......
over 50 years ago......
total0.31004.5134.811
ARn/a......
less than 10 years ago1.6414.2205.813
11-20 years ago0.31001.3471.641
21-30 years ago......
31-40 years ago......
41-50 years ago..0.31000.3100
over 50 years ago..0.31000.3100
total1.9376.1128.05
BEn/a..0.31000.3100
less than 10 years ago10.61896.84107.44
11-20 years ago3.13323.61126.711
21-30 years ago2.4387.92010.318
31-40 years ago0.7713.4314.129
41-50 years ago0.31002.1412.438
over 50 years ago0.310010.71811.117
total17.513144.83162.32
BL/BSn/a......
less than 10 years ago1.25712.21213.511
11-20 years ago1.2573.2344.428
21-30 years ago..0.8700.870
31-40 years ago......
41-50 years ago......
over 50 years ago..0.41000.4100
total2.43916.6819.16
FRn/a......
less than 10 years ago1.15719.41120.510
11-20 years ago..10.81610.816
21-30 years ago..3.4323.432
31-40 years ago0.41001.5501.944
41-50 years ago..0.41000.4100
over 50 years ago..4.1294.129
total1.54939.6441.13
GEn/a......
less than 10 years ago..0.8710.871
11-20 years ago......
21-30 years ago..0.51000.5100
31-40 years ago..0.9650.965
41-50 years ago......
over 50 years ago......
total..2.2342.234
GLn/a......
less than 10 years ago1.5497.3198.916
11-20 years ago0.8701.9432.736
21-30 years ago..0.8700.870
31-40 years ago..0.8700.870
41-50 years ago......
over 50 years ago0.8701.9432.736
total3.13312.71115.88
GRn/a......
less than 10 years ago9.81846.8856.57
11-20 years ago3.53119.91323.411
21-30 years ago2.14113.91516.014
31-40 years ago0.310011.21711.517
41-50 years ago1.0586.6237.721
over 50 years ago2.14125.11127.211
total18.913123.53142.33
JUn/a......
less than 10 years ago0.87020.3921.09
11-20 years ago..6.2236.223
21-30 years ago0.41003.1343.532
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago0.8701.9442.736
total1.94431.9433.93
LUn/a......
less than 10 years ago0.310030.2630.66
11-20 years ago..6.9206.920
21-30 years ago..0.6700.670
31-40 years ago......
41-50 years ago..0.6700.670
over 50 years ago..0.6700.670
total0.310039.0339.33
NEn/a..0.31000.3100
less than 10 years ago2.93219.0821.97
11-20 years ago0.31002.6342.932
21-30 years ago..0.6700.670
31-40 years ago..1.0571.057
41-50 years ago......
over 50 years ago..0.6700.670
total3.23024.2627.44
NWn/a..0.41000.4100
less than 10 years ago0.41001.9402.336
11-20 years ago..1.2551.255
21-30 years ago......
31-40 years ago..1.2551.255
41-50 years ago......
over 50 years ago..1.5461.546
total0.41006.1146.513
OWn/a......
less than 10 years ago0.41008.2178.616
11-20 years ago..1.9431.943
21-30 years ago..1.9431.943
31-40 years ago..1.9431.943
41-50 years ago..1.9431.943
over 50 years ago1.1571.9433.033
total1.54917.5619.04
SGn/a......
less than 10 years ago4.32822.41126.79
11-20 years ago1.1578.7199.818
21-30 years ago0.41004.7275.126
31-40 years ago..3.6313.631
41-50 years ago0.41000.7701.157
over 50 years ago..3.3333.333
total6.12343.4649.54
SHn/a..0.41000.4100
less than 10 years ago0.410010.0910.39
11-20 years ago0.41001.1561.448
21-30 years ago..0.41000.4100
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago......
total0.77012.1512.83
SOn/a......
less than 10 years ago0.410024.2724.67
11-20 years ago..2.6362.636
21-30 years ago0.8701.9442.636
31-40 years ago..0.8700.870
41-50 years ago......
over 50 years ago..0.8700.870
total1.15730.3431.44
SZn/a......
less than 10 years ago1.15710.91511.914
11-20 years ago0.41003.6304.028
21-30 years ago0.41003.6304.028
31-40 years ago..1.8441.844
41-50 years ago..0.7700.770
over 50 years ago..3.3323.332
total1.84423.9625.75
TGn/a......
less than 10 years ago0.67016.2816.87
11-20 years ago..3.6273.627
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago..0.6700.670
total0.67020.4421.04
TIn/a..0.41000.4100
less than 10 years ago4.7275.42510.018
11-20 years ago1.8449.31911.117
21-30 years ago2.1417.92110.018
31-40 years ago4.72711.51716.114
41-50 years ago2.93510.31813.216
over 50 years ago2.14132.9935.09
total18.31377.6595.94
URn/a......
less than 10 years ago1.7433.7295.323
11-20 years ago0.7701.7442.437
21-30 years ago0.31001.4501.744
31-40 years ago..0.7700.770
41-50 years ago..0.7700.770
over 50 years ago0.7703.0313.628
total3.33011.01414.311
VDn/a..2.3402.340
less than 10 years ago1.55045.5747.07
11-20 years ago0.87120.11320.812
21-30 years ago1.9448.32110.218
31-40 years ago0.8713.7314.528
41-50 years ago..1.9441.944
over 50 years ago0.8715.7256.424
total5.72587.5393.23
VSn/a0.3100..0.3100
less than 10 years ago5.12513.41518.513
11-20 years ago4.52710.71715.114
21-30 years ago5.12514.11519.212
31-40 years ago4.1287.52111.716
41-50 years ago0.7714.1284.826
over 50 years ago5.52518.51324.011
total25.41068.3593.73
ZGn/a......
less than 10 years ago0.41003.9214.318
11-20 years ago..1.3531.353
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago......
total0.41005.1135.69
ZHn/a......
less than 10 years ago0.410041.6441.94
11-20 years ago..6.3226.322
21-30 years ago..1.1571.157
31-40 years ago......
41-50 years ago......
over 50 years ago..1.1571.157
total0.410050.0250.42
Switzerlandn/a0.31004.0304.429
less than 10 years ago51.98502.82554.72
11-20 years ago19.114157.84176.94
21-30 years ago15.91579.6695.56
31-40 years ago10.91852.8863.77
41-50 years ago5.32630.41135.710
over 50 years ago14.615118.65133.15
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155239/141618

NFI1

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 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a......0.60.6..0.30.3
less than 10 years ago58.86.968.811.665.97.437.23.830.25.844.42.7
11-20 years ago15.75.112.58.317.15.918.33.011.14.016.12.0
21-30 years ago17.65.36.36.14.93.414.62.814.34.413.41.9
31-40 years ago..6.36.12.42.49.72.320.65.19.21.6
41-50 years ago2.01.9..2.42.42.41.214.34.44.51.1
over 50 years ago5.93.36.36.17.34.117.12.99.53.712.11.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.20.50.20.20.20.20.30.20.40.40.40.1
less than 10 years ago67.62.178.01.757.72.235.81.89.51.853.40.9
11-20 years ago17.31.714.21.420.71.817.01.412.12.016.60.7
21-30 years ago7.41.23.30.77.41.113.31.29.91.88.30.5
31-40 years ago2.10.60.80.45.51.08.21.015.72.25.50.4
41-50 years ago0.20.20.20.22.30.74.70.813.52.13.20.3
over 50 years ago4.10.93.40.76.31.120.71.539.02.912.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.10.50.20.20.20.20.30.20.30.30.40.1
less than 10 years ago66.82.077.81.658.32.136.11.613.41.952.40.8
11-20 years ago17.21.614.11.420.41.717.31.311.91.816.60.7
21-30 years ago8.41.23.40.77.21.113.51.110.71.78.90.5
31-40 years ago1.90.60.90.45.30.98.50.916.62.05.90.4
41-50 years ago0.40.30.20.22.30.64.30.713.61.93.30.3
over 50 years ago4.30.93.40.76.31.020.01.333.52.612.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155240/141619

NFI1

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 1983/85
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 perimetern/a......0.3100..0.3100
less than 10 years ago11.0183.9309.71921.1126.72352.48
11-20 years ago2.9350.7712.53810.4182.53819.013
21-30 years ago3.3330.41000.7718.3203.23315.815
31-40 years ago..0.41000.41005.5254.62710.818
41-50 years ago0.4100..0.41001.4503.2335.326
over 50 years ago1.1580.41001.1589.7192.14114.315
total18.6135.62514.81556.7722.312118.15
outside perimetern/a2.2410.41000.41000.7710.41003.930
less than 10 years ago119.74172.23109.6492.459.219503.12
11-20 years ago30.71031.31039.3943.9811.717156.84
21-30 years ago13.1167.42214.11634.3109.61978.47
31-40 years ago3.7311.84510.51821.11215.21552.28
41-50 years ago0.41000.41004.32912.11713.11630.211
over 50 years ago7.3227.42211.91753.4837.89117.85
total177.02220.71189.92257.9297.04942.61
totaln/a2.2410.41000.41001.0580.41004.329
less than 10 years ago130.73176.02119.34113.6516.014555.62
11-20 years ago33.61032.01041.8854.3714.215175.84
21-30 years ago16.4147.72114.81542.6912.81694.36
31-40 years ago3.7312.14110.81826.61119.81363.07
41-50 years ago0.7710.41004.72713.51616.31435.510
over 50 years ago8.4217.82113.01663.0740.08132.15
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155241/141620

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimetern/a......1.41.3....0.30.3
less than 10 years ago61.26.050.07.763.97.020.34.752.47.730.25.844.32.7
11-20 years ago14.94.416.75.819.15.717.64.419.06.111.14.016.12.0
21-30 years ago14.94.411.95.06.43.620.34.77.14.014.34.413.41.9
31-40 years ago1.51.59.54.5..16.24.32.42.420.65.19.21.6
41-50 years ago1.51.5..2.12.12.71.94.83.314.34.44.51.1
over 50 years ago6.02.911.95.08.54.121.64.814.35.49.53.712.21.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.20.60.4......0.40.40.40.1
less than 10 years ago73.51.353.52.351.52.919.62.841.42.99.51.853.40.9
11-20 years ago15.51.121.41.917.52.215.62.616.82.212.12.016.60.7
21-30 years ago5.10.76.81.110.01.820.62.911.81.99.91.88.30.5
31-40 years ago1.30.35.61.06.91.511.02.27.11.515.72.25.50.4
41-50 years ago0.20.13.30.82.71.06.01.73.71.113.52.13.20.3
over 50 years ago3.70.68.81.311.31.927.13.219.22.339.02.912.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.20.60.3..0.40.4..0.30.30.40.1
less than 10 years ago72.81.353.22.253.32.719.82.442.82.713.41.952.40.8
11-20 years ago15.51.121.01.817.72.116.12.217.12.011.91.816.60.7
21-30 years ago5.70.77.21.19.51.620.52.411.21.710.71.78.90.5
31-40 years ago1.40.35.91.05.91.312.42.06.51.316.62.05.90.4
41-50 years ago0.30.13.00.72.70.95.11.33.81.013.61.93.40.3
over 50 years ago3.80.69.11.310.91.725.62.618.62.133.52.612.50.6
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, 04.11.2014 #155242/141621

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern 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 perimetern/a......0.3100....0.3100
less than 10 years ago14.7157.62210.4185.1257.7216.72352.28
11-20 years ago3.6322.5383.1334.5272.8352.53818.913
21-30 years ago3.6321.8451.0585.1251.1583.23315.815
31-40 years ago0.41001.450..4.1280.41004.62710.918
41-50 years ago0.4100..0.31000.7710.7713.2335.326
over 50 years ago1.4501.8451.4505.5252.1412.14114.315
total24.01215.11516.21425.41014.81522.312117.85
outside perimetern/a2.5381.158......0.41003.930
less than 10 years ago292.6293.8551.8713.41543.289.219503.92
11-20 years ago61.9737.5917.61310.71717.61311.717156.94
21-30 years ago20.41311.91710.01814.11512.3169.61978.27
31-40 years ago5.4269.7196.9227.5217.42115.21552.28
41-50 years ago0.7715.8252.8354.1283.93013.11630.311
over 50 years ago14.71515.51511.41718.51320.01237.89117.95
total398.11175.32100.4368.35104.3397.04943.41
totaln/a2.5381.158..0.3100..0.41004.329
less than 10 years ago307.22101.3562.1618.51350.9716.014556.12
11-20 years ago65.5740.0920.71215.11420.41214.215175.94
21-30 years ago24.01213.71611.11719.21213.31612.81694.06
31-40 years ago5.72511.2186.92211.7167.72119.81363.07
41-50 years ago1.1585.8253.1334.8264.62716.31435.610
over 50 years ago16.11517.31412.81624.01122.11240.08132.25
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155243/141622
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