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NFI4b

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 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability %± %± %±
AGcritical......
less stable66.727.336.44.437.24.4
stable33.327.363.64.462.84.4
total100.0.100.0.100.0.
AIcritical......
less stable..35.713.133.312.5
stable100.0.64.313.266.712.5
total100.0.100.0.100.0.
ARcritical..5.35.24.04.0
less stable16.715.547.411.740.010.0
stable83.315.447.411.656.010.0
total100.0.100.0.100.0.
BEcritical5.93.34.71.04.81.0
less stable39.26.843.02.442.62.3
stable55.07.052.32.452.62.3
total100.0.100.0.100.0.
BL/BScritical......
less stable66.719.434.37.538.47.1
stable33.319.465.77.561.67.2
total100.0.100.0.100.0.
FRcritical..4.72.14.52.0
less stable75.021.747.24.948.24.8
stable25.021.748.14.947.34.8
total100.0.100.0.100.0.
GEcritical......
less stable..41.923.741.923.7
stable..58.123.758.123.7
total..100.0.100.0.
GLcritical..12.15.79.84.7
less stable62.517.251.58.853.77.9
stable37.517.336.48.536.67.6
total100.0.100.0.100.0.
GRcritical..5.61.24.91.1
less stable40.76.738.72.639.02.4
stable59.36.755.72.656.22.5
total100.0.100.0.100.0.
JUcritical..4.92.44.62.3
less stable40.022.036.55.336.75.2
stable60.022.058.65.558.75.3
total100.0.100.0.100.0.
LUcritical..8.82.68.82.5
less stable..40.24.439.94.4
stable100.0.51.04.551.44.5
total100.0.100.0.100.0.
NEcritical......
less stable30.014.632.15.431.95.1
stable70.014.567.95.468.15.1
total100.0.100.0.100.0.
NWcritical......
less stable..75.010.970.611.2
stable100.0.25.011.129.411.3
total100.0.100.0.100.0.
OWcritical25.021.84.33.05.93.3
less stable50.025.249.07.349.17.0
stable25.021.846.77.345.07.0
total100.0.100.0.100.0.
SGcritical..4.21.83.71.6
less stable41.212.051.74.650.44.3
stable58.812.044.24.546.04.3
total100.0.100.0.100.0.
SHcritical..2.92.92.82.8
less stable..26.57.625.07.3
stable100.0.70.67.872.27.4
total100.0.100.0.100.0.
SOcritical..1.31.21.21.2
less stable100.0.35.05.437.35.3
stable..63.85.461.45.4
total100.0.100.0.100.0.
SZcritical20.018.07.63.38.43.3
less stable40.022.045.56.245.15.9
stable40.022.047.06.246.56.0
total100.0.100.0.100.0.
TGcritical..2.92.12.82.0
less stable50.035.640.06.040.25.9
stable50.035.657.16.056.95.9
total100.0.100.0.100.0.
TIcritical9.84.25.91.66.71.5
less stable51.07.056.33.455.33.0
stable39.26.837.83.338.13.0
total100.0.100.0.100.0.
URcritical10.09.512.45.811.85.0
less stable40.015.642.78.742.17.6
stable50.015.944.98.746.17.6
total100.0.100.0.100.0.
VDcritical..4.81.44.51.3
less stable53.312.932.13.133.43.0
stable46.712.963.13.262.13.1
total100.0.100.0.100.0.
VScritical14.94.110.52.211.71.9
less stable47.35.839.63.541.73.0
stable37.85.649.83.546.63.0
total100.0.100.0.100.0.
ZGcritical......
less stable..33.314.130.813.2
stable100.0.66.714.169.213.3
total100.0.100.0.100.0.
ZHcritical..4.21.74.21.7
less stable100.0.34.54.035.04.0
stable..61.34.160.84.1
total100.0.100.0.100.0.
Switzerlandcritical6.51.35.00.45.20.4
less stable45.42.741.21.041.70.9
stable48.12.753.81.053.10.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163129/149509

NFI4b

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 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGcritical......
less stable0.87017.31218.112
stable0.410030.2730.67
total1.25747.5348.72
AIcritical......
less stable..1.6391.639
stable0.31002.9243.222
total0.31004.5134.811
ARcritical..0.31000.3100
less stable0.31002.9283.225
stable1.6412.9274.518
total1.9376.1128.05
BEcritical1.0586.8227.920
less stable6.82262.3669.16
stable9.61875.7585.35
total17.513144.83162.32
BL/BScritical......
less stable1.6495.7237.319
stable0.87010.91411.713
total2.43916.6819.16
FRcritical..1.9441.944
less stable1.15718.71119.810
stable0.410019.11119.411
total1.54939.6441.13
GEcritical......
less stable..0.9650.965
stable..1.3541.354
total..2.2342.234
GLcritical..1.5491.549
less stable1.9436.5208.517
stable1.2574.6265.822
total3.13312.71115.88
GRcritical..6.9226.922
less stable7.72147.8755.57
stable11.21768.8679.95
total18.913123.53142.33
JUcritical..1.6491.649
less stable0.87011.71512.415
stable1.25718.71019.99
total1.94431.9433.93
LUcritical..3.5293.529
less stable..15.71115.711
stable0.310019.91020.29
total0.310039.0339.33
NEcritical......
less stable1.0577.8188.717
stable2.23716.41018.78
total3.23024.2627.44
NWcritical......
less stable..4.6204.620
stable0.41001.5461.940
total0.41006.1146.513
OWcritical0.41000.7701.157
less stable0.7708.6169.315
stable0.41008.2178.616
total1.54917.5619.04
SGcritical..1.8441.844
less stable2.53722.41024.910
stable3.63119.21222.810
total6.12343.4649.54
SHcritical..0.41000.4100
less stable..3.2293.229
stable0.7708.5129.311
total0.77012.1512.83
SOcritical..0.41000.4100
less stable1.15710.61611.715
stable..19.3919.39
total1.15730.3431.44
SZcritical0.41001.8442.240
less stable0.77010.91511.614
stable0.77011.21411.914
total1.84423.9625.75
TGcritical..0.6700.670
less stable0.31008.1168.415
stable0.310011.61111.911
total0.67020.4421.04
TIcritical1.8444.6276.423
less stable9.31943.7853.07
stable7.22229.31036.59
total18.31377.6595.94
URcritical0.31001.4501.744
less stable1.3494.7256.021
stable1.7435.0236.619
total3.33011.01414.311
VDcritical..4.2304.230
less stable3.03528.11031.19
stable2.73755.3657.96
total5.72587.5393.23
VScritical3.8307.22111.017
less stable12.01627.11039.18
stable9.61834.0943.67
total25.41068.3593.73
ZGcritical......
less stable..1.7441.744
stable0.41003.4253.921
total0.41005.1135.69
ZHcritical..2.1402.140
less stable0.410017.31217.612
stable..30.7730.77
total0.410050.0250.42
Switzerlandcritical7.72147.7855.38
less stable53.58389.83443.32
stable56.88508.62565.42
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163130/149510

NFI4b

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 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %±
inside perimetercritical2.01.9..4.93.48.52.27.93.46.51.3
less stable39.26.843.812.446.37.845.73.947.66.345.02.7
stable58.86.956.312.448.87.845.83.944.56.348.52.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical2.30.72.50.67.01.17.71.05.41.45.10.4
less stable31.12.137.41.946.32.243.01.853.33.041.20.9
stable66.62.160.02.046.72.249.41.841.33.053.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.20.62.50.66.91.17.80.95.91.35.20.4
less stable31.92.037.61.946.32.143.51.652.22.741.60.9
stable65.92.059.91.946.82.148.71.741.92.753.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163131/149511

NFI4b

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 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical0.4100..0.7714.8271.8457.721
less stable7.3222.5386.82325.91110.61853.18
stable11.0183.2337.22225.9119.91857.28
total18.6135.62514.81556.7722.312118.15
outside perimetercritical4.0305.62513.31619.7135.32548.08
less stable55.1782.6587.95110.8551.77388.13
stable117.94132.5488.75127.4440.08506.52
total177.02220.71189.92257.9297.04942.61
totalcritical4.4295.62514.11624.6127.02255.78
less stable62.4685.0594.85136.7462.36441.32
stable128.93135.7395.95153.3450.07563.72
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163132/149512

NFI4b

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 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetercritical1.51.57.14.04.32.914.94.1..7.93.46.51.3
less stable40.36.054.87.738.37.147.35.842.97.647.66.345.12.7
stable58.26.038.17.557.57.237.85.657.17.644.56.348.42.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical2.40.57.21.26.91.510.52.26.01.45.41.45.10.4
less stable34.71.449.02.346.42.939.63.538.02.853.33.041.20.9
stable62.91.443.82.346.72.949.83.555.92.941.33.053.71.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.40.47.21.16.51.311.71.95.31.25.91.35.20.4
less stable35.01.449.42.245.32.741.73.038.62.652.22.741.70.9
stable62.61.443.42.248.22.746.63.056.12.741.92.753.10.9
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, 03.11.2014 #163133/149513

NFI4b

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 2009/13
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 perimetercritical0.41001.1580.7713.830..1.8457.721
less stable9.7198.3206.22312.0166.32310.61853.18
stable13.9165.8259.3199.6188.4209.91857.08
total24.01215.11516.21425.41014.81522.312117.85
outside perimetercritical9.71912.6166.9227.2216.3235.32547.98
less stable138.1485.8546.6727.11039.7851.77388.93
stable250.4376.8646.9734.0958.3640.08506.52
total398.11175.32100.4368.35104.3397.04943.41
totalcritical10.01913.7167.62111.0176.3237.02255.68
less stable147.7494.1552.8739.1846.0762.36442.02
stable264.3282.6556.3643.6766.8650.07563.52
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163134/149514

NFI4b

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 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability %± %± %±
Western Juracritical2.42.42.40.82.40.7
less stable36.67.530.12.430.72.3
stable61.07.667.52.466.92.3
total100.0.100.0.100.0.
Eastern Juracritical..1.81.31.71.2
less stable50.015.934.94.636.24.4
stable50.015.963.34.662.14.5
total100.0.100.0.100.0.
Western Plateaucritical..2.71.52.61.5
less stable..35.64.535.04.5
stable100.0.61.74.662.44.5
total100.0.100.0.100.0.
Central Plateaucritical..2.81.12.71.1
less stable33.315.739.13.438.93.3
stable66.715.758.03.458.43.3
total100.0.100.0.100.0.
Eastern Plateaucritical..2.30.92.30.9
less stable80.017.937.02.837.72.8
stable20.017.960.72.860.12.8
total100.0.100.0.100.0.
Western Pre-Alpscritical..6.92.56.32.3
less stable66.715.749.05.050.44.8
stable33.315.844.24.943.34.7
total100.0.100.0.100.0.
Central Pre-Alpscritical10.09.58.71.88.71.7
less stable50.015.846.83.147.03.1
stable40.015.544.53.144.33.1
total100.0.100.0.100.0.
Eastern Pre-Alpscritical4.54.54.71.64.71.5
less stable36.410.343.93.843.03.6
stable59.110.551.53.852.33.6
total100.0.100.0.100.0.
Northwestern Alpscritical8.75.94.61.85.21.8
less stable52.110.453.04.452.94.0
stable39.210.242.34.341.94.0
total100.0.100.0.100.0.
Central Alpscritical8.38.09.74.19.53.7
less stable41.714.342.46.942.36.2
stable50.014.547.87.048.26.3
total100.0.100.0.100.0.
Northeastern Alpscritical..10.43.88.73.2
less stable38.413.555.26.152.55.6
stable61.613.534.35.838.75.5
total100.0.100.0.100.0.
Southwestern Alpscritical14.94.110.52.211.71.9
less stable47.35.839.63.541.73.0
stable37.85.649.83.546.63.0
total100.0.100.0.100.0.
Southeastern Alpscritical..6.01.45.31.2
less stable42.97.638.02.838.62.6
stable57.17.655.92.956.12.7
total100.0.100.0.100.0.
Southern Alpscritical7.93.45.41.45.91.3
less stable47.66.353.33.052.22.7
stable44.56.341.33.041.92.7
total100.0.100.0.100.0.
Switzerlandcritical6.51.35.10.45.20.4
less stable45.12.741.20.941.60.9
stable48.42.753.71.053.10.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163135/149515

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · 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 regionstand stability1000 ha± %1000 ha± %1000 ha± %
Western Juracritical0.41003.2333.631
less stable5.32540.4845.78
stable8.91990.7499.64
total14.615134.32148.92
Eastern Juracritical..0.8700.870
less stable2.04415.01417.012
stable2.04427.2829.28
total4.03043.0447.03
Western Plateaucritical..1.2571.257
less stable..16.51316.513
stable0.87028.6929.48
total0.87046.3447.24
Central Plateaucritical..1.9401.940
less stable0.95725.8926.79
stable1.94038.3640.16
total2.83365.9368.72
Eastern Plateaucritical..2.5372.537
less stable1.45040.0841.58
stable0.410065.8566.15
total1.844108.32110.12
Western Pre-Alpscritical..2.6372.637
less stable2.24018.51120.710
stable1.15716.71217.812
total3.33237.7541.14
Central Pre-Alpscritical0.41007.9218.220
less stable1.84442.7744.57
stable1.45040.5842.07
total3.63191.1394.72
Eastern Pre-Alpscritical0.41002.9353.233
less stable2.93526.81029.69
stable4.62731.4836.17
total7.92061.1468.93
Northwestern Alpscritical0.7712.1402.935
less stable4.32824.61028.99
stable3.23319.71222.911
total8.22046.5654.74
Central Alpscritical0.31001.7442.140
less stable1.7447.6199.317
stable2.1408.61810.715
total4.12718.01022.18
Northeastern Alpscritical..2.5372.537
less stable1.84413.31415.013
stable2.9358.21911.116
total4.72624.0828.76
Southwestern Alpscritical3.8307.22111.017
less stable12.01627.11039.18
stable9.61834.0943.67
total25.41068.3593.73
Southeastern Alpscritical..6.3236.323
less stable6.32339.7846.07
stable8.42058.3666.86
total14.815104.33119.03
Southern Alpscritical1.8455.3257.022
less stable10.61851.7762.36
stable9.91840.0850.07
total22.31297.04119.33
Switzerlandcritical7.72148.1855.88
less stable53.38389.63442.92
stable57.28508.02565.32
total118.25945.711063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163136/149516

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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 assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%....2.11.5......0.60.4
21-40%....2.21.54.52.52.72.71.61.62.10.8
41-60%1.81.85.35.15.42.326.95.421.66.87.93.411.21.7
61-80%21.85.615.88.423.64.434.35.835.17.923.45.326.22.4
over 80%76.45.778.99.366.64.934.35.840.58.167.15.959.92.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.70.61.10.41.40.41.10.80.40.41.10.61.20.2
21-40%1.50.61.90.54.80.87.31.911.82.11.80.83.90.4
41-60%8.71.34.90.817.21.330.63.434.63.111.91.914.30.7
61-80%25.52.020.91.532.81.737.73.639.33.229.32.728.90.9
over 80%62.52.271.21.743.81.823.33.213.92.256.03.051.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.10.41.50.40.80.60.40.40.90.51.20.2
21-40%1.30.51.80.54.50.76.51.610.61.91.70.73.70.3
41-60%8.01.24.90.815.91.229.62.932.82.811.11.713.90.6
61-80%25.11.920.81.531.81.636.83.138.72.928.22.428.60.8
over 80%64.02.171.41.746.21.726.32.817.52.358.12.752.60.9
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, 03.11.2014 #163137/149517

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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 assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%....0.771......0.771
21-40%....0.7711.0580.41000.41002.538
41-60%0.41000.41001.8456.2232.8351.84513.316
61-80%4.3291.1587.8217.9204.6275.32531.010
over 80%15.1155.32622.0127.9205.32515.31570.97
total19.8136.72333.01022.91113.11622.812118.35
outside perimeter0-20%2.9352.8353.9300.7710.41001.15811.717
21-40%2.5384.62813.6164.5279.9181.84536.810
41-60%14.81512.01748.3818.91228.91011.817134.75
61-80%43.2851.6792.4523.31132.9929.210272.63
over 80%105.94176.13123.4414.41411.61755.87487.22
total169.32247.21281.6261.7583.6499.64943.01
total0-20%2.9352.8354.6280.7710.41001.15812.417
21-40%2.5384.62814.3165.52510.2182.14139.39
41-60%15.11512.41750.1825.01031.8913.616148.05
61-80%47.6852.77100.2531.1937.5834.59303.63
over 80%121.04181.43145.4422.21116.91471.15558.12
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #163138/149518

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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
cantondegree of cover (aerial photo, 5 classes) %± %± %±
AG0-20%..1.71.21.71.2
21-40%..4.21.94.11.8
41-60%..5.12.05.02.0
61-80%33.327.313.63.214.03.2
over 80%66.727.375.44.075.23.9
total100.0.100.0.100.0.
AI0-20%......
21-40%......
41-60%..7.17.16.76.6
61-80%100.0.21.411.326.711.8
over 80%..71.412.466.712.5
total100.0.100.0.100.0.
AR0-20%......
21-40%......
41-60%16.715.5..4.04.0
61-80%33.319.631.610.932.09.5
over 80%50.020.868.410.964.09.8
total100.0.100.0.100.0.
BE0-20%2.01.91.90.71.90.6
21-40%..4.01.03.60.9
41-60%6.03.411.41.510.81.4
61-80%23.55.931.72.330.82.1
over 80%68.56.551.02.452.92.3
total100.0.100.0.100.0.
BL/BS0-20%..2.52.42.12.1
21-40%......
41-60%16.715.32.52.44.33.0
61-80%16.715.37.44.18.54.1
over 80%66.719.487.75.285.05.3
total100.0.100.0.100.0.
FR0-20%......
21-40%..3.71.83.61.8
41-60%..15.13.514.63.4
61-80%25.021.729.34.429.14.4
over 80%75.021.751.94.952.74.8
total100.0.100.0.100.0.
GE0-20%......
21-40%......
41-60%......
61-80%......
over 80%..100.0.100.0.
total..100.0.100.0.
GL0-20%..3.03.02.42.4
21-40%..9.15.17.34.1
41-60%12.511.86.14.27.34.1
61-80%..21.27.217.15.9
over 80%87.511.660.68.665.97.5
total100.0.100.0.100.0.
GR0-20%..0.60.40.50.3
21-40%1.91.88.21.57.41.3
41-60%22.35.731.92.530.72.3
61-80%33.36.439.32.638.52.4
over 80%42.66.720.02.123.02.1
total100.0.100.0.100.0.
JU0-20%..1.21.21.21.2
21-40%......
41-60%..8.53.18.12.9
61-80%..18.34.317.34.1
over 80%100.0.71.95.073.54.8
total100.0.100.0.100.0.
LU0-20%..2.41.42.41.4
21-40%..0.80.80.80.8
41-60%..15.33.215.23.2
61-80%..35.54.335.24.3
over 80%100.0.46.04.546.44.5
total100.0.100.0.100.0.
NE0-20%..1.61.61.41.4
21-40%......
41-60%..10.63.69.43.2
61-80%40.015.633.45.534.25.2
over 80%60.015.554.35.855.05.4
total100.0.100.0.100.0.
NW0-20%......
21-40%......
41-60%..6.36.25.95.8
61-80%..25.011.123.510.5
over 80%100.0.68.811.870.611.3
total100.0.100.0.100.0.
OW0-20%..1.91.91.81.8
21-40%..2.12.12.02.0
41-60%..17.15.515.75.1
61-80%75.021.838.47.241.27.0
over 80%25.021.840.57.239.36.9
total100.0.100.0.100.0.
SG0-20%..0.80.80.70.7
21-40%5.85.65.02.05.11.9
41-60%..12.53.010.92.7
61-80%17.79.324.23.923.43.6
over 80%76.510.357.54.559.94.2
total100.0.100.0.100.0.
SH0-20%......
21-40%......
41-60%..2.92.92.82.8
61-80%..26.57.725.07.3
over 80%100.0.70.67.972.27.6
total100.0.100.0.100.0.
SO0-20%..1.31.21.21.2
21-40%..1.31.21.21.2
41-60%..2.51.82.41.7
61-80%..16.24.115.74.0
over 80%100.0.78.84.679.54.5
total100.0.100.0.100.0.
SZ0-20%......
21-40%..6.13.05.62.8
41-60%..19.74.918.34.6
61-80%..25.85.424.05.1
over 80%100.0.48.56.252.16.0
total100.0.100.0.100.0.
TG0-20%..2.92.12.82.0
21-40%..1.51.51.41.4
41-60%..2.92.12.82.0
61-80%..22.05.021.34.9
over 80%100.0.70.75.671.55.4
total100.0.100.0.100.0.
TI0-20%..0.90.70.70.5
21-40%2.01.92.31.02.20.9
41-60%2.01.98.81.97.51.6
61-80%23.55.925.83.025.42.7
over 80%72.56.262.23.364.22.9
total100.0.100.0.100.0.
UR0-20%10.09.5..2.32.3
21-40%10.09.53.03.04.63.2
41-60%..24.87.619.16.1
61-80%30.014.626.97.727.66.8
over 80%50.015.945.38.746.47.7
total100.0.100.0.100.0.
VD0-20%..1.70.91.60.8
21-40%..3.41.23.21.1
41-60%..12.12.211.42.0
61-80%20.010.329.03.028.42.9
over 80%80.010.353.73.355.33.2
total100.0.100.0.100.0.
VS0-20%..1.00.70.70.5
21-40%4.12.37.11.86.31.5
41-60%25.75.128.23.227.52.7
61-80%31.15.438.23.436.22.9
over 80%39.25.725.63.129.32.8
total100.0.100.0.100.0.
ZG0-20%..8.38.37.77.7
21-40%......
41-60%..16.711.115.410.4
61-80%..16.711.115.410.4
over 80%100.0.58.314.761.514.0
total100.0.100.0.100.0.
ZH0-20%......
21-40%..2.81.42.81.4
41-60%..3.51.63.51.5
61-80%100.0.21.83.522.43.5
over 80%..71.83.871.33.8
total100.0.100.0.100.0.
Switzerland0-20%0.60.41.20.21.20.2
21-40%2.10.83.90.43.70.3
41-60%11.21.714.20.713.90.6
61-80%26.02.428.60.928.30.8
over 80%60.12.752.00.952.90.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163139/149519

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
AG0-20%..0.8700.870
21-40%..2.0442.044
41-60%..2.4402.440
61-80%0.41006.4236.823
over 80%0.87035.8636.66
total1.25747.5348.72
AI0-20%......
21-40%......
41-60%..0.31000.3100
61-80%0.31001.0541.345
over 80%..3.2223.222
total0.31004.5134.811
AR0-20%......
21-40%......
41-60%0.3100..0.3100
61-80%0.6691.9372.630
over 80%1.0554.2205.116
total1.9376.1128.05
BE0-20%0.31002.7353.133
21-40%..5.9245.924
41-60%1.05816.51417.513
61-80%4.12945.8849.97
over 80%12.01673.9585.95
total17.513144.83162.32
BL/BS0-20%..0.41000.4100
21-40%......
41-60%0.41000.41000.870
61-80%0.41001.2571.649
over 80%1.64914.61016.29
total2.43916.6819.16
FR0-20%......
21-40%..1.5501.550
41-60%..6.0236.023
61-80%0.410011.61612.015
over 80%1.15720.51021.710
total1.54939.6441.13
GE0-20%......
21-40%......
41-60%......
61-80%......
over 80%..2.2342.234
total..2.2342.234
GL0-20%..0.41000.4100
21-40%..1.2571.257
41-60%0.41000.8701.257
61-80%..2.7362.736
over 80%2.7367.71810.414
total3.13312.71115.88
GR0-20%..0.7710.771
21-40%0.310010.11810.518
41-60%4.22939.4843.68
61-80%6.32348.5754.87
over 80%8.02024.71132.79
total18.913123.53142.33
JU0-20%..0.41000.4100
21-40%......
41-60%..2.7372.737
61-80%..5.8245.824
over 80%1.94423.0824.97
total1.94431.9433.93
LU0-20%..0.9570.957
21-40%..0.31000.3100
41-60%..6.0216.021
61-80%..13.91313.913
over 80%0.310017.91018.310
total0.310039.0339.33
NE0-20%..0.41000.4100
21-40%......
41-60%..2.6342.634
61-80%1.3498.1189.416
over 80%1.94013.11215.110
total3.23024.2627.44
NW0-20%......
21-40%......
41-60%..0.41000.4100
61-80%..1.5461.546
over 80%0.41004.2224.620
total0.41006.1146.513
OW0-20%..0.31000.3100
21-40%..0.41000.4100
41-60%..3.0333.033
61-80%1.1576.7197.817
over 80%0.41007.1197.518
total1.54917.5619.04
SG0-20%..0.41000.4100
21-40%0.41002.2402.537
41-60%..5.4255.425
61-80%1.15710.51711.616
over 80%4.72725.0929.78
total6.12343.4649.54
SH0-20%......
21-40%......
41-60%..0.41000.4100
61-80%..3.2293.229
over 80%0.7708.5129.311
total0.77012.1512.83
SO0-20%..0.41000.4100
21-40%..0.41000.4100
41-60%..0.8700.870
61-80%..4.9264.926
over 80%1.15723.8725.06
total1.15730.3431.44
SZ0-20%......
21-40%..1.4491.449
41-60%..4.7264.726
61-80%..6.2226.222
over 80%1.84411.61413.412
total1.84423.9625.75
TG0-20%..0.6700.670
21-40%..0.31000.3100
41-60%..0.6700.670
61-80%..4.5234.523
over 80%0.67014.4915.09
total0.67020.4421.04
TI0-20%..0.7710.771
21-40%0.41001.8442.141
41-60%0.41006.8237.222
61-80%4.32820.01224.311
over 80%13.31648.3761.56
total18.31377.6595.94
UR0-20%0.3100..0.3100
21-40%0.31000.31000.770
41-60%..2.7352.735
61-80%1.0573.0314.027
over 80%1.7435.0246.620
total3.33011.01414.311
VD0-20%..1.5501.550
21-40%..3.0353.035
41-60%..10.61810.618
61-80%1.15825.41126.511
over 80%4.62847.0751.66
total5.72587.5393.23
VS0-20%..0.7710.771
21-40%1.0584.8265.924
41-60%6.52219.21225.810
61-80%7.92026.11034.09
over 80%9.91817.51327.410
total25.41068.3593.73
ZG0-20%..0.41000.4100
21-40%......
41-60%..0.9680.968
61-80%..0.9680.968
over 80%0.41003.0283.425
total0.41005.1135.69
ZH0-20%......
21-40%..1.4491.449
41-60%..1.8441.844
61-80%0.410010.91611.316
over 80%..36.0636.06
total0.410050.0250.42
Switzerland0-20%0.77111.81712.517
21-40%2.43837.01039.49
41-60%13.216134.35147.55
61-80%30.710270.73301.43
over 80%70.97492.32563.22
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163140/149520

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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 assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
inside perimeter0-20%......1.20.9..0.60.4
21-40%......3.71.51.61.62.10.8
41-60%2.01.9..2.42.418.93.18.03.411.21.7
61-80%19.65.618.89.834.17.428.03.523.85.426.22.4
over 80%78.45.781.39.863.47.548.13.966.65.959.92.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.60.61.30.41.10.51.10.41.10.61.20.2
21-40%1.40.52.10.63.80.87.91.01.80.83.90.4
41-60%7.21.25.70.914.61.527.41.610.61.914.20.7
61-80%23.91.921.71.632.62.035.41.829.62.828.90.9
over 80%65.82.269.31.847.82.228.21.656.93.051.80.9
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.20.41.10.41.10.30.90.51.20.2
21-40%1.30.52.00.63.50.87.20.91.80.73.70.3
41-60%6.71.15.60.913.71.425.91.510.11.613.90.6
61-80%23.51.821.61.632.72.034.11.628.52.528.60.8
over 80%67.02.069.61.848.92.131.81.558.72.752.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163141/149521

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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 assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%......0.771..0.771
21-40%......2.1410.41002.438
41-60%0.4100..0.410010.7181.84513.216
61-80%3.7311.1585.02615.9145.32531.011
over 80%14.6154.6279.41927.31114.91570.77
total18.6135.62514.81556.7722.312118.15
outside perimeter0-20%2.9352.8352.2412.8351.15811.717
21-40%2.5384.6277.22220.5131.84536.610
41-60%12.81612.61627.81170.7610.318134.15
61-80%42.3847.8862.0791.3528.710272.13
over 80%116.54152.9390.8572.7655.27488.02
total177.02220.71189.92257.9297.04942.61
total0-20%2.9352.8352.2413.5321.15812.417
21-40%2.5384.6277.22222.6122.14139.09
41-60%13.11612.61628.11181.4612.117147.45
61-80%46.0848.8867.06107.2534.09303.13
over 80%131.13157.43100.25100.0570.05558.72
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163142/149522

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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 assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%..2.42.42.12.1......0.60.4
21-40%....4.43.04.12.32.42.41.61.62.10.8
41-60%1.51.57.14.04.32.925.75.119.06.18.03.411.21.7
61-80%19.44.828.67.021.36.031.15.435.77.423.85.426.22.4
over 80%79.15.061.97.568.06.839.25.742.97.666.65.959.92.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.40.41.60.61.00.61.00.70.30.31.10.61.20.2
21-40%1.80.44.50.95.01.37.11.89.81.71.80.83.90.4
41-60%6.40.716.91.713.92.028.23.234.72.810.61.914.30.7
61-80%22.61.335.62.225.12.538.23.438.42.829.62.828.90.9
over 80%67.71.441.42.255.02.925.63.116.82.256.93.051.70.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.40.31.70.61.20.60.70.50.30.30.90.51.20.2
21-40%1.70.44.20.94.91.26.31.58.81.51.80.73.70.3
41-60%6.10.716.11.612.61.827.52.732.72.610.11.613.90.6
61-80%22.51.235.02.124.62.336.22.938.12.628.52.528.60.8
over 80%68.41.443.02.256.82.729.32.820.02.258.72.752.60.9
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, 03.11.2014 #163143/149523

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%..0.41000.3100......0.771
21-40%....0.7711.0580.41000.41002.438
41-60%0.41001.1580.7716.5222.8351.84513.216
61-80%4.6284.3293.4317.9205.3255.32530.910
over 80%19.0139.41911.0179.9186.32314.91570.57
total24.01215.11516.21425.41014.81522.312117.85
outside perimeter0-20%5.7252.9351.1580.7710.41001.15811.817
21-40%7.2227.9215.0274.82610.2181.84536.910
41-60%25.41229.61014.01519.21236.2910.318134.75
61-80%90.2662.4725.21126.11040.1828.710272.53
over 80%269.7272.5655.2617.51317.51355.27487.52
total398.11175.32100.4368.35104.3397.04943.41
total0-20%5.7253.2331.4500.7710.41001.15812.517
21-40%7.2227.9215.7255.92410.5182.14139.39
41-60%25.81130.71014.71525.71039.0812.117147.95
61-80%94.8666.7628.71034.0945.4734.09303.43
over 80%288.6281.9566.2527.41023.81170.05558.02
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163144/149524

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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 regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..1.30.61.20.5
21-40%..1.60.71.50.6
41-60%..8.31.47.41.3
61-80%22.06.526.62.326.22.2
over 80%78.06.562.22.563.72.4
total100.0.100.0.100.0.
Eastern Jura0-20%..2.81.62.51.4
21-40%..0.90.90.80.8
41-60%10.09.53.71.84.21.8
61-80%10.09.514.73.414.33.2
over 80%80.012.678.04.078.13.8
total100.0.100.0.100.0.
Western Plateau0-20%..2.71.52.61.5
21-40%..1.81.31.71.2
41-60%..9.82.89.62.8
61-80%50.035.524.84.125.24.1
over 80%50.035.561.04.660.84.6
total100.0.100.0.100.0.
Central Plateau0-20%..1.40.81.40.8
21-40%..0.90.70.90.6
41-60%..6.11.65.91.6
61-80%11.110.523.62.923.12.8
over 80%88.910.467.93.268.83.1
total100.0.100.0.100.0.
Eastern Plateau0-20%..0.70.50.60.5
21-40%..3.01.02.91.0
41-60%..4.01.13.91.1
61-80%20.017.919.12.319.22.2
over 80%80.017.973.32.573.42.5
total100.0.100.0.100.0.
Western Pre-Alps0-20%..1.01.00.90.9
21-40%..7.82.77.22.5
41-60%..22.54.220.73.9
61-80%22.213.930.44.629.84.4
over 80%77.813.938.24.841.44.7
total100.0.100.0.100.0.
Central Pre-Alps0-20%..1.20.71.10.7
21-40%..2.41.02.30.9
41-60%..14.22.213.62.1
61-80%60.015.538.63.139.43.0
over 80%40.015.543.73.143.63.1
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%..1.20.81.00.7
21-40%..3.51.43.11.3
41-60%4.54.510.52.49.82.1
61-80%27.39.525.13.325.43.1
over 80%68.210.059.73.860.63.5
total100.0.100.0.100.0.
Northwestern Alps0-20%4.34.33.11.53.31.4
21-40%..6.12.15.21.8
41-60%13.17.117.73.417.03.0
61-80%17.47.933.84.231.43.8
over 80%65.19.939.34.343.24.0
total100.0.100.0.100.0.
Central Alps0-20%8.38.0..1.61.6
21-40%8.38.03.82.74.72.6
41-60%..25.26.120.55.1
61-80%25.012.623.05.823.35.3
over 80%58.314.348.07.049.96.3
total100.0.100.0.100.0.
Northeastern Alps0-20%..1.51.51.21.2
21-40%7.87.49.03.58.83.2
41-60%7.77.413.44.212.53.7
61-80%7.77.426.95.423.84.8
over 80%76.811.749.26.153.75.6
total100.0.100.0.100.0.
Southwestern Alps0-20%..1.00.70.70.5
21-40%4.12.37.11.86.31.5
41-60%25.75.128.23.227.52.7
61-80%31.15.438.23.436.22.9
over 80%39.25.725.63.129.32.8
total100.0.100.0.100.0.
Southeastern Alps0-20%..0.30.30.30.3
21-40%2.42.49.81.78.81.5
41-60%19.06.134.72.832.72.6
61-80%35.77.438.42.838.12.6
over 80%42.97.616.82.220.02.2
total100.0.100.0.100.0.
Southern Alps0-20%..1.10.60.90.5
21-40%1.61.61.80.81.80.7
41-60%8.03.410.61.910.11.6
61-80%23.85.429.62.828.52.5
over 80%66.65.956.93.058.72.7
total100.0.100.0.100.0.
Switzerland0-20%0.60.41.30.21.20.2
21-40%2.10.83.90.43.70.3
41-60%11.31.714.30.713.90.6
61-80%26.22.428.90.928.60.8
over 80%59.92.751.70.952.60.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163145/149525

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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 regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%..1.8451.845
21-40%..2.2412.241
41-60%..11.11711.117
61-80%3.23335.7938.98
over 80%11.41783.5594.94
total14.615134.32148.92
Eastern Jura0-20%..1.2571.257
21-40%..0.41000.4100
41-60%0.41001.6492.044
61-80%0.41006.3236.723
over 80%3.23433.6636.76
total4.03043.0447.03
Western Plateau0-20%..1.2571.257
21-40%..0.8700.870
41-60%..4.5294.529
61-80%0.410011.51711.917
over 80%0.410028.3928.78
total0.87046.3447.24
Central Plateau0-20%..0.9570.957
21-40%..0.6710.671
41-60%..4.0274.027
61-80%0.310015.61315.913
over 80%2.53544.8547.25
total2.83365.9368.72
Eastern Plateau0-20%..0.7710.771
21-40%..3.2333.233
41-60%..4.3284.328
61-80%0.410020.71221.112
over 80%1.45079.4480.84
total1.844108.32110.12
Western Pre-Alps0-20%..0.41000.4100
21-40%..2.9352.935
41-60%..8.5198.519
61-80%0.77011.51612.215
over 80%2.63714.41417.012
total3.33237.7541.14
Central Pre-Alps0-20%..1.1581.158
21-40%..2.2412.241
41-60%..12.91612.916
61-80%2.24035.1837.38
over 80%1.45039.8841.27
total3.63191.1394.72
Eastern Pre-Alps0-20%..0.7710.771
21-40%..2.1412.141
41-60%0.41006.4236.822
61-80%2.14015.41417.513
over 80%5.42536.4741.86
total7.92061.1468.93
Northwestern Alps0-20%0.41001.4501.844
21-40%..2.9352.935
41-60%1.1588.2209.318
61-80%1.45015.71317.113
over 80%5.42518.21223.610
total8.22046.5654.74
Central Alps0-20%0.3100..0.3100
21-40%0.31000.7701.057
41-60%..4.5274.527
61-80%1.0574.1275.224
over 80%2.4378.61811.015
total4.12718.01022.18
Northeastern Alps0-20%..0.41000.4100
21-40%0.41002.1402.537
41-60%0.41003.2323.631
61-80%0.41006.4226.821
over 80%3.63011.81515.412
total4.72624.0828.76
Southwestern Alps0-20%..0.7710.771
21-40%1.0584.8265.924
41-60%6.52219.21225.710
61-80%7.92026.11034.09
over 80%9.91817.51327.410
total25.41068.3593.73
Southeastern Alps0-20%..0.41000.4100
21-40%0.410010.21810.518
41-60%2.83536.2939.08
61-80%5.32540.1845.47
over 80%6.32317.51323.811
total14.815104.33119.03
Southern Alps0-20%..1.1581.158
21-40%0.41001.8452.141
41-60%1.84510.31812.117
61-80%5.32528.71034.09
over 80%14.91555.2770.05
total22.31297.04119.33
Switzerland0-20%0.77111.91712.617
21-40%2.43837.01039.49
41-60%13.316135.05148.35
61-80%31.010272.93303.93
over 80%70.87488.92559.62
total118.25945.711063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163146/149526

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track34.56.436.811.121.54.322.45.132.47.74.72.622.72.3
road and skidding road43.66.731.610.78.62.93.02.110.85.110.93.915.42.0
road and cable line14.54.8..49.55.238.86.029.77.539.16.134.62.6
road and flight path1.81.85.35.114.03.635.85.927.07.343.76.222.92.3
no access intended5.53.126.310.16.42.5....1.61.64.51.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track52.62.370.01.718.91.416.12.720.72.63.91.236.70.8
road and skidding road36.82.218.61.510.81.16.71.94.61.48.21.616.40.7
road and cable line4.91.04.00.743.91.835.03.652.03.230.02.725.10.8
road and flight path0.40.3..8.61.037.83.622.22.743.63.011.70.6
no access intended5.31.07.41.017.81.44.41.50.40.414.32.110.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track50.72.269.11.719.21.317.82.422.32.54.11.135.20.8
road and skidding road37.52.118.91.510.61.05.71.55.51.48.71.516.30.7
road and cable line5.91.03.90.744.51.736.03.149.03.031.72.526.20.7
road and flight path0.60.30.10.19.11.037.33.122.92.543.62.712.90.6
no access intended5.31.07.91.016.61.23.21.10.40.411.91.89.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163147/149527

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
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 track6.8232.5387.1225.1254.2281.15826.911
road and skidding road8.6202.1412.8350.7711.4502.53818.214
road and cable line2.935..16.3148.9193.9308.92040.99
road and flight path0.41000.41004.6288.2203.53110.01827.011
no access intended1.1581.8452.141....0.41005.326
total19.8136.72333.01022.91113.11622.812118.35
outside perimeterroad and skidding track89.05172.9353.389.91817.3133.930346.52
road and skidding road62.3646.0830.5104.1283.9308.120154.94
road and cable line8.3209.919123.6421.61143.5729.910236.73
road and flight path0.771..24.11223.31118.61343.48110.25
no access intended9.02018.41350.082.7350.410014.31594.76
total169.32247.21281.6261.7583.6499.64943.01
totalroad and skidding track95.85175.4360.4715.11421.6125.026373.32
road and skidding road71.0648.1833.4104.8265.32510.618173.14
road and cable line11.2179.919139.9430.5947.4738.88277.63
road and flight path1.1580.410028.71131.5922.11253.47137.25
no access intended10.11820.21352.182.7350.410014.615100.16
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163148/149528

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · 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
cantonconcept of transportation system %± %± %±
AGroad and skidding track..62.74.461.24.4
road and skidding road33.327.332.24.332.24.3
road and cable line......
road and flight path......
no access intended66.727.35.12.06.62.3
total100.0.100.0.100.0.
AIroad and skidding track..64.313.060.012.9
road and skidding road100.0.7.17.113.39.0
road and cable line..21.411.320.010.6
road and flight path..7.17.16.76.6
no access intended......
total100.0.100.0.100.0.
ARroad and skidding track100.0.52.611.664.09.6
road and skidding road..21.19.516.07.5
road and cable line..26.310.320.08.2
road and flight path......
no access intended......
total100.0.100.0.100.0.
BEroad and skidding track27.66.339.32.438.02.2
road and skidding road29.46.420.32.021.31.9
road and cable line35.26.730.02.230.62.1
road and flight path3.92.71.90.72.10.7
no access intended3.92.78.51.48.01.2
total100.0.100.0.100.0.
BL/BSroad and skidding track50.020.658.87.757.77.2
road and skidding road16.715.336.37.633.87.0
road and cable line16.715.34.93.46.43.6
road and flight path......
no access intended16.715.3..2.12.1
total100.0.100.0.100.0.
FRroad and skidding track25.021.745.34.844.64.7
road and skidding road..13.23.312.73.2
road and cable line50.025.125.44.226.34.2
road and flight path......
no access intended25.021.716.13.616.43.5
total100.0.100.0.100.0.
GEroad and skidding track..100.0.100.0.
road and skidding road......
road and cable line......
road and flight path......
no access intended......
total..100.0.100.0.
GLroad and skidding track......
road and skidding road......
road and cable line62.517.269.78.168.37.3
road and flight path25.015.49.15.012.25.2
no access intended12.511.821.27.219.56.2
total100.0.100.0.100.0.
GRroad and skidding track24.15.822.32.222.62.1
road and skidding road9.33.94.01.04.71.0
road and cable line44.56.850.32.749.62.5
road and flight path22.25.720.82.221.02.0
no access intended..2.50.82.20.7
total100.0.100.0.100.0.
JUroad and skidding track40.022.044.05.543.75.3
road and skidding road60.022.048.75.549.45.4
road and cable line..1.21.21.21.2
road and flight path......
no access intended..6.12.75.82.5
total100.0.100.0.100.0.
LUroad and skidding track..24.93.924.73.9
road and skidding road..10.42.810.42.7
road and cable line..9.62.79.62.6
road and flight path......
no access intended100.0.55.04.555.34.5
total100.0.100.0.100.0.
NEroad and skidding track30.014.654.65.851.85.5
road and skidding road70.014.538.75.742.45.4
road and cable line......
road and flight path......
no access intended..6.62.95.92.6
total100.0.100.0.100.0.
NWroad and skidding track..6.36.25.95.8
road and skidding road..6.36.25.95.8
road and cable line..43.812.641.212.2
road and flight path..12.58.411.88.0
no access intended100.0.31.311.835.311.8
total100.0.100.0.100.0.
OWroad and skidding track..2.12.12.02.0
road and skidding road25.021.88.54.19.84.2
road and cable line50.025.251.07.450.97.1
road and flight path25.021.819.25.819.65.6
no access intended..19.25.817.75.4
total100.0.100.0.100.0.
SGroad and skidding track58.911.937.54.440.14.2
road and skidding road11.87.820.03.719.03.4
road and cable line5.85.630.04.227.03.8
road and flight path23.610.311.72.913.12.9
no access intended..0.80.80.70.7
total100.0.100.0.100.0.
SHroad and skidding track100.0.82.46.483.36.0
road and skidding road..14.76.113.95.8
road and cable line..2.92.92.82.8
road and flight path......
no access intended......
total100.0.100.0.100.0.
SOroad and skidding track33.327.456.35.655.45.5
road and skidding road33.327.431.25.231.35.1
road and cable line..10.03.49.63.3
road and flight path......
no access intended33.327.42.51.83.62.1
total100.0.100.0.100.0.
SZroad and skidding track..4.52.64.22.4
road and skidding road..15.24.414.14.2
road and cable line80.017.934.85.938.05.8
road and flight path..4.52.64.22.4
no access intended20.018.040.96.139.45.8
total100.0.100.0.100.0.
TGroad and skidding track50.035.686.84.185.84.2
road and skidding road50.035.611.73.912.84.0
road and cable line..1.51.51.41.4
road and flight path......
no access intended......
total100.0.100.0.100.0.
TIroad and skidding track5.93.31.80.92.61.0
road and skidding road11.84.59.62.010.01.8
road and cable line29.46.423.92.925.02.6
road and flight path51.07.049.83.450.03.1
no access intended2.01.914.82.412.32.0
total100.0.100.0.100.0.
URroad and skidding track10.09.56.04.16.93.9
road and skidding road..9.85.37.64.2
road and cable line60.015.645.38.748.77.7
road and flight path20.012.723.97.423.06.4
no access intended10.09.515.06.213.85.3
total100.0.100.0.100.0.
VDroad and skidding track..49.73.346.73.2
road and skidding road20.010.320.82.720.82.6
road and cable line46.712.913.02.215.12.3
road and flight path20.010.36.01.66.91.6
no access intended13.38.810.42.010.62.0
total100.0.100.0.100.0.
VSroad 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.
ZGroad and skidding track..50.015.046.214.3
road and skidding road100.0.8.38.315.410.4
road and cable line..41.714.738.513.9
road and flight path......
no access intended......
total100.0.100.0.100.0.
ZHroad and skidding track..75.43.674.83.6
road and skidding road..12.02.711.92.7
road and cable line100.0.12.02.712.62.8
road and flight path......
no access intended..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track22.52.336.80.935.20.8
road and skidding road15.22.016.60.716.50.7
road and cable line34.62.625.00.826.10.8
road and flight path23.02.311.70.612.90.6
no access intended4.71.29.90.59.30.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163149/149529

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track..29.8829.88
road and skidding road0.410015.31415.713
road and cable line......
road and flight path......
no access intended0.8702.4403.234
total1.25747.5348.72
AIroad and skidding track..2.9242.924
road and skidding road0.31000.31000.669
road and cable line..1.0541.054
road and flight path..0.31000.3100
no access intended......
total0.31004.5134.811
ARroad and skidding track1.9363.2255.116
road and skidding road..1.3471.347
road and cable line..1.6411.641
road and flight path......
no access intended......
total1.9376.1128.05
BEroad and skidding track4.82656.9761.76
road and skidding road5.12529.41034.59
road and cable line6.22343.5849.67
road and flight path0.7712.8353.431
no access intended0.77112.31613.016
total17.513144.83162.32
BL/BSroad and skidding track1.2579.81511.014
road and skidding road0.41006.0236.422
road and cable line0.41000.8701.257
road and flight path......
no access intended0.4100..0.4100
total2.43916.6819.16
FRroad and skidding track0.410017.91118.311
road and skidding road..5.2255.225
road and cable line0.77010.11710.816
road and flight path......
no access intended0.41006.4236.722
total1.54939.6441.13
GEroad and skidding track..2.2342.234
road and skidding road......
road and cable line......
road and flight path......
no access intended......
total..2.2342.234
GLroad and skidding track......
road and skidding road......
road and cable line1.9438.91610.813
road and flight path0.8701.2571.943
no access intended0.41002.7363.133
total3.13312.71115.88
GRroad and skidding track4.52727.61032.110
road and skidding road1.7454.9266.623
road and cable line8.42062.1670.56
road and flight path4.22925.71129.910
no access intended..3.1333.133
total18.913123.53142.33
JUroad and skidding track0.87014.01314.812
road and skidding road1.25715.51216.711
road and cable line..0.41000.4100
road and flight path......
no access intended..1.9441.944
total1.94431.9433.93
LUroad and skidding track..9.7169.716
road and skidding road..4.1264.126
road and cable line..3.8283.828
road and flight path......
no access intended0.310021.5921.89
total0.310039.0339.33
NEroad and skidding track1.05713.21214.211
road and skidding road2.2379.41611.613
road and cable line......
road and flight path......
no access intended..1.6441.644
total3.23024.2627.44
NWroad and skidding track..0.41000.4100
road and skidding road..0.41000.4100
road and cable line..2.7322.732
road and flight path..0.8690.869
no access intended0.41001.9402.336
total0.41006.1146.513
OWroad and skidding track..0.41000.4100
road and skidding road0.41001.5491.943
road and cable line0.7708.9169.715
road and flight path0.41003.4313.729
no access intended..3.4313.431
total1.54917.5619.04
SGroad and skidding track3.63116.31319.911
road and skidding road0.7708.7199.418
road and cable line0.410013.01513.415
road and flight path1.4505.1266.522
no access intended..0.41000.4100
total6.12343.4649.54
SHroad and skidding track0.77010.0910.78
road and skidding road..1.8421.842
road and cable line..0.41000.4100
road and flight path......
no access intended......
total0.77012.1512.83
SOroad and skidding track0.410017.01117.410
road and skidding road0.41009.5179.817
road and cable line..3.0343.034
road and flight path......
no access intended0.41000.8701.157
total1.15730.3431.44
SZroad and skidding track..1.1571.157
road and skidding road..3.6303.630
road and cable line1.4498.3189.816
road and flight path..1.1571.157
no access intended0.41009.81610.116
total1.84423.9625.75
TGroad and skidding track0.310017.7718.06
road and skidding road0.31002.4342.731
road and cable line..0.31000.3100
road and flight path......
no access intended......
total0.67020.4421.04
TIroad and skidding track1.1581.4502.537
road and skidding road2.1417.5219.619
road and cable line5.42518.61324.011
road and flight path9.31938.7848.07
no access intended0.410011.51711.817
total18.31377.6595.94
URroad and skidding track0.31000.7701.057
road and skidding road..1.1581.158
road and cable line2.0395.0247.019
road and flight path0.7702.6343.330
no access intended0.31001.7442.039
total3.33011.01414.311
VDroad and skidding track..43.5743.57
road and skidding road1.15818.21319.413
road and cable line2.73711.41714.115
road and flight path1.1585.3266.424
no access intended0.8719.1209.919
total5.72587.5393.23
VSroad 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
ZGroad and skidding track..2.6322.632
road and skidding road0.41000.41000.968
road and cable line..2.1372.137
road and flight path......
no access intended......
total0.41005.1135.69
ZHroad and skidding track..37.7537.75
road and skidding road..6.0236.023
road and cable line0.41006.0236.322
road and flight path......
no access intended..0.41000.4100
total0.410050.0250.42
Switzerlandroad and skidding track26.511348.32374.82
road and skidding road17.914157.34175.24
road and cable line40.89236.63277.43
road and flight path27.111110.55137.64
no access intended5.52693.4699.05
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163150/149530

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %±
inside perimeterroad and skidding track37.36.825.010.839.07.620.83.24.82.722.82.3
road and skidding road41.26.937.512.117.15.96.11.911.14.015.42.0
road and cable line11.84.512.58.324.46.745.13.938.16.134.42.6
road and flight path2.01.96.36.17.34.126.83.544.46.322.82.3
no access intended7.83.818.89.812.25.11.20.91.61.64.51.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track52.82.372.11.824.51.917.31.42.91.036.80.8
road and skidding road36.32.217.51.515.91.65.80.98.01.616.50.7
road and cable line4.50.93.50.733.42.149.11.830.32.824.90.8
road and flight path0.40.3..6.11.021.21.544.23.011.70.6
no access intended6.01.16.81.020.11.76.60.914.62.110.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.32.271.01.825.51.817.91.33.31.035.20.8
road and skidding road36.82.118.01.516.01.55.80.88.61.516.40.7
road and cable line5.21.03.70.732.72.048.41.731.72.526.00.7
road and flight path0.60.30.20.26.21.022.21.444.22.712.90.6
no access intended6.21.07.11.019.51.75.60.812.21.89.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163151/149531

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track6.9231.4505.82511.8171.15826.911
road and skidding road7.7212.1412.5383.5312.53818.214
road and cable line2.2410.7713.63125.6118.52040.69
road and flight path0.41000.41001.15815.2159.91826.911
no access intended1.5501.1581.8450.7710.41005.426
total18.6135.62514.81556.7722.312118.15
outside perimeterroad and skidding track93.45159.2346.5844.782.835346.72
road and skidding road64.2638.6930.31014.9157.721155.84
road and cable line8.0217.72163.47126.6429.310235.23
road and flight path0.771..11.51754.8742.98109.95
no access intended10.61815.11538.2916.91414.21595.06
total177.02220.71189.92257.9297.04942.61
totalroad and skidding track100.44160.6352.3756.473.930373.62
road and skidding road71.9640.7832.81018.41310.218174.04
road and cable line10.2188.42067.06152.2437.99275.83
road and flight path1.1580.410012.61670.0652.87136.85
no access intended12.01716.21440.0917.61414.515100.46
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163152/149532
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