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NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetercritical1.51.56.83.84.02.814.34.02.02.06.83.06.31.3
less stable39.75.954.57.540.06.946.85.740.06.946.55.844.52.6
stable58.86.038.67.356.07.039.05.658.07.046.65.849.22.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical2.40.47.11.17.41.413.72.28.21.46.81.36.00.4
less stable34.51.447.92.246.82.739.43.137.02.548.72.640.70.9
stable63.11.445.02.245.82.746.93.154.82.644.62.653.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.30.47.11.17.01.313.81.97.51.36.81.26.00.4
less stable34.81.448.42.145.92.541.12.737.32.448.32.441.10.8
stable62.91.444.52.147.12.545.12.755.22.444.92.452.90.8
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 #161737/148116

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
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 perimetercritical0.41001.1580.7713.8300.41001.8458.021
less stable9.7198.7206.92212.3167.02212.01756.68
stable14.3166.1249.71810.31810.21812.11762.77
total24.31215.91517.31326.41017.61325.911127.35
outside perimetercritical9.71913.7168.82012.01610.8178.62063.77
less stable141.3492.7555.8734.7948.5762.36435.22
stable258.7386.9554.6741.3871.9557.07570.52
total409.61193.32119.2388.04131.33127.931069.31
totalcritical10.01914.8159.51915.81411.21710.41871.77
less stable151.04101.3562.6647.0755.6774.35491.82
stable273.0293.1564.3651.6782.1569.16633.12
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161738/148117

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability %± %± %±
Western Juracritical2.42.42.30.82.30.7
less stable35.77.429.42.330.02.2
stable61.97.568.32.467.72.2
total100.0.100.0.100.0.
Eastern Juracritical..1.81.31.61.2
less stable50.015.934.94.536.14.3
stable50.015.963.34.662.24.4
total100.0.100.0.100.0.
Western Plateaucritical..2.61.52.51.5
less stable..35.34.434.74.4
stable100.0.62.24.562.84.5
total100.0.100.0.100.0.
Central Plateaucritical..2.81.12.71.1
less stable33.315.738.93.338.73.3
stable66.715.758.33.458.63.3
total100.0.100.0.100.0.
Eastern Plateaucritical..2.20.82.20.8
less stable80.017.937.52.738.22.7
stable20.017.960.32.859.62.8
total100.0.100.0.100.0.
Western Pre-Alpscritical..6.22.35.72.1
less stable60.015.546.84.747.94.5
stable40.015.546.94.746.44.5
total100.0.100.0.100.0.
Central Pre-Alpscritical10.09.58.51.78.51.7
less stable50.015.846.13.046.33.0
stable40.015.545.43.045.23.0
total100.0.100.0.100.0.
Eastern Pre-Alpscritical4.54.54.81.64.71.5
less stable36.410.343.93.643.13.4
stable59.110.551.33.652.13.4
total100.0.100.0.100.0.
Northwestern Alpscritical8.35.75.31.85.71.7
less stable54.110.252.04.152.23.8
stable37.69.942.84.042.13.7
total100.0.100.0.100.0.
Central Alpscritical6.76.510.33.79.63.2
less stable46.712.944.96.045.25.5
stable46.712.944.86.045.15.5
total100.0.100.0.100.0.
Northeastern Alpscritical..10.83.49.43.0
less stable38.413.554.25.552.15.1
stable61.613.534.95.338.65.0
total100.0.100.0.100.0.
Southwestern Alpscritical14.34.013.72.213.81.9
less stable46.85.739.43.141.12.7
stable39.05.646.93.145.12.7
total100.0.100.0.100.0.
Southeastern Alpscritical2.02.08.21.47.51.3
less stable40.06.937.02.537.32.4
stable58.07.054.82.655.22.4
total100.0.100.0.100.0.
Southern Alpscritical6.83.06.81.36.81.2
less stable46.55.848.72.648.32.4
stable46.65.844.62.644.92.4
total100.0.100.0.100.0.
Switzerlandcritical6.31.35.90.46.00.4
less stable44.52.640.70.941.10.8
stable49.22.653.40.953.00.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161739/148118

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
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 stable5.32541.1846.48
stable9.31995.44104.74
total15.015139.72154.72
Eastern Juracritical..0.8700.870
less stable2.04415.41317.412
stable2.04428.0830.07
total4.03044.2348.22
Western Plateaucritical..1.2571.257
less stable..16.91316.913
stable0.87029.8830.68
total0.87047.9448.73
Central Plateaucritical..1.9401.940
less stable0.95725.8926.79
stable1.94038.6640.56
total2.83366.3369.12
Eastern Plateaucritical..2.5372.537
less stable1.45041.8843.37
stable0.410067.2567.65
total1.844111.62113.32
Western Pre-Alpscritical..2.6372.637
less stable2.24019.61121.810
stable1.54919.61121.110
total3.73041.8545.54
Central Pre-Alpscritical0.41008.2208.620
less stable1.84444.8746.67
stable1.45044.1745.67
total3.63197.23100.82
Eastern Pre-Alpscritical0.41003.2333.631
less stable2.93529.6932.58
stable4.62734.6839.37
total7.92067.5475.33
Northwestern Alpscritical0.7712.9353.631
less stable4.62728.2932.98
stable3.23323.31126.510
total8.61954.4562.94
Central Alpscritical0.31002.5372.835
less stable2.43710.81613.214
stable2.43710.71613.114
total5.22424.0929.17
Northeastern Alpscritical..3.2323.232
less stable1.84416.11217.911
stable2.93510.41613.314
total4.72629.7634.45
Southwestern Alpscritical3.83012.01615.814
less stable12.31634.7947.07
stable10.31841.3851.67
total26.41088.04114.43
Southeastern Alpscritical0.410010.81711.217
less stable7.02248.5755.67
stable10.21871.9582.15
total17.613131.33148.92
Southern Alpscritical1.8458.62010.418
less stable12.01762.3674.35
stable12.11757.0769.16
total25.911127.93153.82
Switzerlandcritical8.02163.7771.77
less stable56.88435.72492.52
stable62.97572.02634.92
total127.751071.411199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161740/148119

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
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%....2.01.4......0.60.4
21-40%....2.01.44.32.56.83.84.02.33.00.9
41-60%1.81.85.35.16.12.427.55.420.46.116.14.313.21.8
61-80%21.45.515.88.424.24.334.85.734.17.220.04.625.62.3
over 80%76.85.678.99.365.64.833.35.738.67.359.95.757.72.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.80.61.10.41.30.41.80.92.30.92.10.81.60.2
21-40%1.90.61.80.56.60.810.22.013.82.05.41.25.50.4
41-60%9.21.35.10.818.81.333.53.134.72.716.51.916.40.7
61-80%25.42.021.11.532.51.633.03.136.22.829.12.428.60.8
over 80%61.62.270.91.740.81.621.52.713.11.946.82.647.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.70.51.10.41.40.41.30.72.00.71.80.61.50.2
21-40%1.70.51.80.56.20.88.81.712.91.85.21.15.30.4
41-60%8.51.25.10.817.61.232.12.732.92.516.41.816.00.6
61-80%25.01.920.91.531.71.533.42.735.92.627.62.128.30.8
over 80%63.22.171.11.743.21.624.32.516.32.049.12.448.90.8
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 #161741/148120

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
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%....0.7711.0581.1581.1583.930
41-60%0.41000.41002.1416.5223.2334.32916.814
61-80%4.3291.1588.5208.2205.3255.32532.710
over 80%15.5155.32623.0127.9206.02416.01473.77
total20.2136.72335.11023.61115.61426.711127.95
outside perimeter0-20%3.3332.8354.3291.4502.4382.83517.014
21-40%3.3334.62821.6138.02014.8157.12259.38
41-60%16.21412.71661.1726.11037.3821.712175.24
61-80%44.7853.17105.5525.71038.9838.29306.03
over 80%108.44178.63132.5416.81314.11561.56511.82
total175.92251.81324.9277.94107.53131.331069.31
total0-20%3.3332.8355.0271.4502.4382.83517.714
21-40%3.3334.62822.3139.01915.9148.22163.27
41-60%16.61413.11663.2732.6940.5826.011192.04
61-80%49.0854.17114.0533.9944.2843.68338.83
over 80%123.93183.93155.5424.61120.11277.55585.62
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161742/148121

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
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes) %± %± %±
AG0-20%..1.71.21.61.2
21-40%..4.21.84.11.8
41-60%..5.02.04.92.0
61-80%33.327.313.43.113.93.1
over 80%66.727.375.64.075.43.9
total100.0.100.0.100.0.
AI0-20%......
21-40%......
41-60%..14.69.513.78.9
61-80%100.0.19.710.524.711.0
over 80%..65.712.661.712.5
total100.0.100.0.100.0.
AR0-20%......
21-40%......
41-60%16.715.5..3.83.8
61-80%33.319.629.810.430.69.2
over 80%50.020.870.210.465.69.5
total100.0.100.0.100.0.
BE0-20%1.91.92.20.72.20.7
21-40%..4.71.04.20.9
41-60%5.93.311.91.511.31.4
61-80%23.05.832.22.231.32.1
over 80%69.16.448.92.451.02.2
total100.0.100.0.100.0.
BL/BS0-20%..2.22.22.02.0
21-40%......
41-60%16.715.32.22.23.92.8
61-80%16.715.36.73.87.93.8
over 80%66.719.488.84.786.24.9
total100.0.100.0.100.0.
FR0-20%......
21-40%..4.41.94.21.9
41-60%..16.13.515.63.4
61-80%25.021.729.54.329.34.2
over 80%75.021.750.04.750.94.7
total100.0.100.0.100.0.
GE0-20%......
21-40%......
41-60%..14.814.614.814.6
61-80%..14.814.614.814.6
over 80%..70.518.770.518.7
total..100.0.100.0.
GL0-20%..2.62.62.12.1
21-40%..12.75.310.54.5
41-60%12.511.812.75.312.64.9
61-80%..18.16.215.05.3
over 80%87.511.654.08.059.77.2
total100.0.100.0.100.0.
GR0-20%..2.20.71.90.6
21-40%4.82.710.71.510.01.3
41-60%23.95.434.22.232.92.1
61-80%31.75.934.92.234.52.1
over 80%39.66.218.01.820.61.8
total100.0.100.0.100.0.
JU0-20%..1.21.21.11.1
21-40%......
41-60%..8.53.18.02.9
61-80%..19.24.318.14.1
over 80%100.0.71.15.072.84.8
total100.0.100.0.100.0.
LU0-20%..2.31.32.31.3
21-40%..0.80.80.80.8
41-60%..15.53.215.43.2
61-80%..36.24.335.94.2
over 80%100.0.45.24.445.64.4
total100.0.100.0.100.0.
NE0-20%..1.61.61.41.4
21-40%......
41-60%..10.33.59.13.1
61-80%40.015.635.55.536.15.2
over 80%60.015.552.65.753.45.4
total100.0.100.0.100.0.
NW0-20%......
21-40%......
41-60%..10.57.210.06.9
61-80%..26.310.325.09.9
over 80%100.0.63.211.365.010.9
total100.0.100.0.100.0.
OW0-20%..1.81.81.71.6
21-40%..5.63.15.22.9
41-60%..17.65.416.35.0
61-80%75.021.837.46.840.26.7
over 80%25.021.837.66.836.76.5
total100.0.100.0.100.0.
SG0-20%..0.70.70.60.6
21-40%5.85.65.01.85.01.7
41-60%..17.03.215.22.9
61-80%17.79.324.83.624.13.4
over 80%76.510.352.54.255.14.0
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%..1.21.21.21.2
21-40%..1.21.21.21.2
41-60%..2.41.72.41.7
61-80%..15.94.115.33.9
over 80%100.0.79.34.580.04.4
total100.0.100.0.100.0.
SZ0-20%......
21-40%..9.43.48.73.1
41-60%..20.04.618.54.3
61-80%..24.05.022.24.6
over 80%100.0.46.65.850.65.6
total100.0.100.0.100.0.
TG0-20%..2.82.02.81.9
21-40%..1.41.41.41.4
41-60%..2.82.02.81.9
61-80%..22.75.022.14.9
over 80%100.0.70.25.571.15.4
total100.0.100.0.100.0.
TI0-20%..1.80.81.50.6
21-40%5.02.85.91.45.81.3
41-60%10.03.912.21.911.81.7
61-80%20.05.228.22.726.82.4
over 80%65.06.151.83.054.12.7
total100.0.100.0.100.0.
UR0-20%8.38.0..1.81.8
21-40%8.38.07.03.97.33.5
41-60%8.38.025.26.621.75.6
61-80%33.313.729.46.930.26.2
over 80%41.714.338.37.439.06.6
total100.0.100.0.100.0.
VD0-20%..1.60.81.50.8
21-40%..4.81.34.51.3
41-60%..13.32.212.42.0
61-80%23.510.328.22.927.92.8
over 80%76.510.352.13.253.73.1
total100.0.100.0.100.0.
VS0-20%..1.60.81.20.6
21-40%3.92.210.71.99.11.6
41-60%26.05.030.12.929.22.5
61-80%31.25.334.33.033.62.6
over 80%39.05.623.42.627.02.4
total100.0.100.0.100.0.
ZG0-20%..7.27.26.86.8
21-40%......
41-60%..14.59.813.59.2
61-80%..20.310.818.910.2
over 80%100.0.58.013.660.813.0
total100.0.100.0.100.0.
ZH0-20%......
21-40%..2.71.42.71.3
41-60%..4.11.74.11.6
61-80%100.0.21.93.422.53.5
over 80%..71.23.870.73.8
total100.0.100.0.100.0.
Switzerland0-20%0.50.41.60.21.50.2
21-40%3.00.95.50.45.30.4
41-60%13.11.816.30.715.90.6
61-80%25.52.328.40.828.10.8
over 80%57.92.648.20.949.30.8
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161743/148122

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
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%0.87036.2637.06
total1.25747.9349.12
AI0-20%......
21-40%......
41-60%..0.7710.771
61-80%0.31001.0541.345
over 80%..3.2223.222
total0.31004.9145.212
AR0-20%......
21-40%......
41-60%0.3100..0.3100
61-80%0.6691.9372.630
over 80%1.0554.5205.516
total1.9376.5138.46
BE0-20%0.31003.5313.830
21-40%..7.2227.222
41-60%1.05818.61319.613
61-80%4.12950.1754.27
over 80%12.31676.0588.35
total17.813155.32173.12
BL/BS0-20%..0.41000.4100
21-40%......
41-60%0.41000.41000.870
61-80%0.41001.2571.649
over 80%1.64916.2917.97
total2.43918.3720.75
FR0-20%......
21-40%..1.8441.844
41-60%..6.7226.722
61-80%0.410012.31512.715
over 80%1.15720.91022.010
total1.54941.8443.33
GE0-20%......
21-40%......
41-60%..0.51000.5100
61-80%..0.51000.5100
over 80%..2.2342.234
total..3.1203.120
GL0-20%..0.41000.4100
21-40%..1.9441.944
41-60%0.41001.9442.340
61-80%..2.7362.736
over 80%2.7368.11810.714
total3.13314.91018.07
GR0-20%..3.4323.432
21-40%1.05816.81417.814
41-60%5.32653.7758.97
61-80%7.02254.8761.86
over 80%8.72028.21036.99
total22.012156.93179.02
JU0-20%..0.41000.4100
21-40%......
41-60%..2.7372.737
61-80%..6.2236.223
over 80%1.94423.0824.97
total1.94432.3434.23
LU0-20%..0.9570.957
21-40%..0.31000.3100
41-60%..6.3216.321
61-80%..14.61314.613
over 80%0.310018.31018.610
total0.310040.4340.73
NE0-20%..0.41000.4100
21-40%......
41-60%..2.6342.634
61-80%1.3498.91710.216
over 80%1.94013.11215.110
total3.23025.0628.24
NW0-20%......
21-40%......
41-60%..0.8690.869
61-80%..1.9401.940
over 80%0.41004.6205.019
total0.41007.3107.78
OW0-20%..0.31000.3100
21-40%..1.1581.158
41-60%..3.3313.331
61-80%1.1577.1198.217
over 80%0.41007.1197.518
total1.54918.9720.45
SG0-20%..0.41000.4100
21-40%0.41002.5372.935
41-60%..8.7198.719
61-80%1.15712.71513.714
over 80%4.72726.7931.58
total6.12350.9557.14
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%1.15724.6725.76
total1.15731.0432.23
SZ0-20%......
21-40%..2.5372.537
41-60%..5.4245.424
61-80%..6.5226.522
over 80%2.24012.71314.811
total2.24027.2529.34
TG0-20%..0.6700.670
21-40%..0.31000.3100
41-60%..0.6700.670
61-80%..4.8224.822
over 80%0.67014.8915.49
total0.67021.1421.74
TI0-20%..1.8451.845
21-40%1.1586.1247.122
41-60%2.14112.51614.615
61-80%4.32828.81033.19
over 80%14.01552.9766.95
total21.512102.14123.62
UR0-20%0.3100..0.3100
21-40%0.31001.0581.450
41-60%0.31003.7294.127
61-80%1.3494.3265.722
over 80%1.7435.7227.318
total4.02714.81118.78
VD0-20%..1.5501.550
21-40%..4.5294.529
41-60%..12.41712.417
61-80%1.55026.51128.010
over 80%4.92748.9753.96
total6.52493.93100.32
VS0-20%..1.4501.450
21-40%1.0589.41910.418
41-60%6.92226.51033.49
61-80%8.22030.2938.48
over 80%10.31820.61230.89
total26.41088.04114.43
ZG0-20%..0.41000.4100
21-40%......
41-60%..0.9680.968
61-80%..1.2561.256
over 80%0.41003.4253.921
total0.41005.9116.37
ZH0-20%......
21-40%..1.4491.449
41-60%..2.1402.140
61-80%0.410011.31611.616
over 80%..36.7636.76
total0.410051.5351.82
Switzerland0-20%0.77117.01417.714
21-40%3.83059.3863.17
41-60%16.814174.44191.24
61-80%32.410304.13336.53
over 80%73.87517.22590.92
total127.551072.011199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161744/148123

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
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
inside perimeter0-20%......1.10.8..0.50.4
21-40%......4.51.64.12.33.00.9
41-60%1.91.9..2.42.419.63.015.24.213.11.8
61-80%19.25.518.89.833.37.328.53.420.54.725.62.3
over 80%78.85.781.39.864.37.446.33.760.25.757.72.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.80.61.20.41.20.51.80.42.00.71.60.2
21-40%1.80.62.00.64.40.910.81.05.51.25.50.4
41-60%7.51.26.10.915.91.529.01.515.51.916.30.7
61-80%23.81.921.81.632.52.033.11.529.52.428.60.8
over 80%65.02.168.81.846.12.125.21.447.62.648.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.60.51.20.41.10.41.70.41.60.61.50.2
21-40%1.60.52.00.54.10.89.80.95.31.15.30.4
41-60%7.01.15.90.915.01.427.51.315.41.716.00.6
61-80%23.41.821.71.632.51.932.41.428.02.228.30.8
over 80%66.32.069.11.847.32.028.61.449.72.449.00.8
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 #161745/148124

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
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%......2.8351.1583.830
41-60%0.4100..0.410012.1173.93016.814
61-80%3.7311.1585.02617.6145.32532.710
over 80%15.0154.6279.71928.71115.61473.57
total19.0135.62515.11561.9725.911127.55
outside perimeter0-20%3.3332.8352.5386.0242.53817.114
21-40%3.3334.6279.02035.0107.12258.98
41-60%13.91613.71632.81094.2519.813174.44
61-80%43.8849.2867.06107.5537.79305.33
over 80%119.44155.4395.1581.8660.86512.62
total183.62225.71206.52324.62127.931068.21
total0-20%3.3332.8352.5386.6232.53817.814
21-40%3.3334.6279.02037.898.12162.87
41-60%14.21613.71633.110106.4523.712191.14
61-80%47.4850.3872.16125.2443.08338.03
over 80%134.43159.93104.94110.5576.45586.12
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161746/148125

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
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%..2.32.22.02.0......0.60.4
21-40%....4.12.83.92.26.03.44.12.33.00.9
41-60%1.51.56.83.86.03.426.05.020.05.715.24.213.21.8
61-80%19.14.829.56.922.05.931.25.334.06.720.54.725.72.3
over 80%79.44.961.47.365.96.739.05.640.06.960.25.757.62.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.50.41.70.60.90.51.60.82.10.72.00.71.60.2
21-40%1.90.45.61.07.01.410.71.912.11.75.51.25.50.4
41-60%6.70.717.51.617.52.130.12.935.52.515.51.916.40.7
61-80%22.71.235.62.125.12.334.33.035.12.529.52.428.60.8
over 80%67.11.439.62.149.52.723.42.615.21.947.62.647.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.40.31.70.51.00.51.20.61.90.61.60.61.50.2
21-40%1.80.45.20.96.61.39.11.611.31.55.31.15.30.4
41-60%6.40.716.71.616.01.929.22.533.72.315.41.716.00.6
61-80%22.51.235.22.024.72.233.62.635.02.328.02.228.30.8
over 80%67.81.341.22.051.62.527.02.418.11.949.72.448.90.8
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 #161747/148126

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
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%....0.7711.0581.1581.1583.930
41-60%0.41001.1581.0586.9223.5313.93016.814
61-80%4.6284.7273.8308.2206.0245.32532.710
over 80%19.3139.71911.41710.3187.02215.61473.37
total24.31215.91517.31326.41017.61325.911127.35
outside perimeter0-20%6.1243.2331.1581.4502.8352.53817.014
21-40%7.92110.8188.3219.41915.8147.12259.38
41-60%27.61133.91020.91326.51046.6719.813175.34
61-80%93.0668.9629.91030.2946.1837.79305.83
over 80%275.1276.5659.1620.61220.01360.86511.92
total409.61193.32119.2388.04131.33127.931069.31
total0-20%6.1243.6311.4501.4502.8352.53817.714
21-40%7.92110.8189.02010.41816.9148.12163.27
41-60%27.91135.0921.91233.4950.2723.712192.04
61-80%97.7573.6633.7938.4852.1743.08338.53
over 80%294.4286.2570.4530.8927.01176.45585.32
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161748/148127

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
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..1.60.61.40.6
21-40%..2.10.71.90.7
41-60%..8.71.47.91.3
61-80%21.46.326.62.226.12.1
over 80%78.66.361.02.562.72.3
total100.0.100.0.100.0.
Eastern Jura0-20%..2.71.52.51.4
21-40%..0.90.90.80.8
41-60%10.09.53.61.84.11.8
61-80%10.09.514.33.314.03.2
over 80%80.012.678.53.978.73.7
total100.0.100.0.100.0.
Western Plateau0-20%..2.61.52.51.5
21-40%..1.71.21.71.2
41-60%..11.12.910.92.9
61-80%50.035.524.84.025.24.0
over 80%50.035.559.84.659.74.5
total100.0.100.0.100.0.
Central Plateau0-20%..1.40.81.30.8
21-40%..0.90.70.90.6
41-60%..6.11.65.81.6
61-80%11.110.524.02.923.52.9
over 80%88.910.467.53.268.43.1
total100.0.100.0.100.0.
Eastern Plateau0-20%..0.60.50.60.4
21-40%..2.90.92.80.9
41-60%..4.21.14.11.1
61-80%20.017.919.22.219.22.2
over 80%80.017.973.12.573.22.5
total100.0.100.0.100.0.
Western Pre-Alps0-20%..0.90.90.80.8
21-40%..8.82.78.12.5
41-60%..23.04.021.23.7
61-80%20.012.730.14.329.34.1
over 80%80.012.637.24.640.74.4
total100.0.100.0.100.0.
Central Pre-Alps0-20%..1.50.71.40.7
21-40%..3.01.02.91.0
41-60%..15.12.214.62.1
61-80%60.015.538.43.039.12.9
over 80%40.015.542.13.042.02.9
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%..1.10.70.90.7
21-40%..3.71.43.31.2
41-60%4.54.512.72.411.82.2
61-80%27.39.525.43.225.63.0
over 80%68.210.057.23.658.33.4
total100.0.100.0.100.0.
Northwestern Alps0-20%4.24.12.61.32.81.3
21-40%..7.92.26.81.9
41-60%12.66.817.83.117.12.8
61-80%20.88.334.83.932.93.5
over 80%62.49.936.93.940.33.7
total100.0.100.0.100.0.
Central Alps0-20%6.76.5..1.21.2
21-40%6.76.510.53.79.83.3
41-60%6.76.524.65.221.44.5
61-80%26.711.524.65.225.04.7
over 80%53.312.940.35.942.65.4
total100.0.100.0.100.0.
Northeastern Alps0-20%..1.21.21.01.0
21-40%7.87.410.93.410.43.1
41-60%7.77.420.54.418.84.0
61-80%7.77.425.34.822.94.3
over 80%76.811.742.25.446.85.1
total100.0.100.0.100.0.
Southwestern Alps0-20%..1.60.81.20.6
21-40%3.92.210.71.99.11.6
41-60%26.05.030.12.929.22.5
61-80%31.25.334.33.033.62.6
over 80%39.05.623.42.627.02.4
total100.0.100.0.100.0.
Southeastern Alps0-20%..2.10.71.90.6
21-40%6.03.412.11.711.31.5
41-60%20.05.735.52.533.72.3
61-80%34.06.735.12.535.02.3
over 80%40.06.915.21.918.11.9
total100.0.100.0.100.0.
Southern Alps0-20%..2.00.71.60.6
21-40%4.12.35.51.25.31.1
41-60%15.24.215.51.915.41.7
61-80%20.54.729.52.428.02.2
over 80%60.25.747.62.649.72.4
total100.0.100.0.100.0.
Switzerland0-20%0.50.41.60.21.50.2
21-40%3.00.95.50.45.30.4
41-60%13.21.816.40.716.00.6
61-80%25.62.328.60.828.30.8
over 80%57.62.647.90.949.00.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161749/148128

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
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%..2.2412.241
21-40%..2.9352.935
41-60%..12.21712.217
61-80%3.23337.2940.48
over 80%11.81785.3497.04
total15.015139.72154.72
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%3.23434.7637.95
total4.03044.2348.22
Western Plateau0-20%..1.2571.257
21-40%..0.8700.870
41-60%..5.3275.327
61-80%0.410011.91712.316
over 80%0.410028.7829.18
total0.87047.9448.73
Central Plateau0-20%..0.9570.957
21-40%..0.6710.671
41-60%..4.0274.027
61-80%0.310015.91316.212
over 80%2.53544.8547.25
total2.83366.3369.12
Eastern Plateau0-20%..0.7710.771
21-40%..3.2333.233
41-60%..4.7274.727
61-80%0.410021.51221.812
over 80%1.45081.5482.94
total1.844111.62113.32
Western Pre-Alps0-20%..0.41000.4100
21-40%..3.7313.731
41-60%..9.6189.618
61-80%0.77012.61513.314
over 80%3.03415.51318.511
total3.73041.8545.54
Central Pre-Alps0-20%..1.4501.450
21-40%..2.9352.935
41-60%..14.71514.715
61-80%2.24037.3839.48
over 80%1.45040.9742.37
total3.63197.23100.82
Eastern Pre-Alps0-20%..0.7710.771
21-40%..2.5372.537
41-60%0.41008.6208.919
61-80%2.14017.11319.312
over 80%5.42538.6743.96
total7.92067.5475.33
Northwestern Alps0-20%0.41001.4501.844
21-40%..4.3284.328
41-60%1.1589.71810.717
61-80%1.84418.91220.711
over 80%5.42520.01225.410
total8.61954.4562.94
Central Alps0-20%0.3100..0.3100
21-40%0.31002.5382.935
41-60%0.31005.9236.222
61-80%1.4495.9237.320
over 80%2.7349.71612.414
total5.22424.0929.17
Northeastern Alps0-20%..0.41000.4100
21-40%0.41003.2323.631
41-60%0.41006.1236.522
61-80%0.41007.5207.919
over 80%3.63012.51416.112
total4.72629.7634.45
Southwestern Alps0-20%..1.4501.450
21-40%1.0589.41910.418
41-60%6.92226.51033.49
61-80%8.22030.2938.48
over 80%10.31820.61230.89
total26.41088.04114.43
Southeastern Alps0-20%..2.8352.835
21-40%1.15815.81416.914
41-60%3.53146.6750.27
61-80%6.02446.1852.17
over 80%7.02220.01327.011
total17.613131.33148.92
Southern Alps0-20%..2.5382.538
21-40%1.1587.1228.121
41-60%3.93019.81323.712
61-80%5.32537.7943.08
over 80%15.61460.8676.45
total25.911127.93153.82
Switzerland0-20%0.77117.21417.914
21-40%3.93059.3863.27
41-60%16.814175.24192.04
61-80%32.810306.23338.93
over 80%73.67513.52587.12
total127.751071.411199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161750/148129

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
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 track33.96.336.811.121.24.123.25.134.17.24.02.322.42.2
road and skidding road44.66.631.610.78.12.72.92.09.14.310.73.614.81.9
road and cable line14.34.7..47.55.037.75.827.36.738.75.633.72.5
road and flight path1.81.85.35.115.13.636.25.829.66.942.65.723.92.2
no access intended5.43.026.310.18.12.7....4.02.35.31.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track52.92.369.91.718.11.315.82.420.42.33.81.034.30.8
road and skidding road36.72.218.71.510.91.06.61.65.31.37.61.415.70.6
road and cable line4.71.03.90.742.31.630.43.147.92.924.62.224.60.7
road and flight path0.40.3..9.71.042.33.326.12.546.12.614.40.6
no access intended5.31.07.41.019.01.34.91.40.30.317.92.011.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track50.92.169.11.718.41.217.52.222.12.23.80.933.10.7
road and skidding road37.52.119.01.510.71.05.71.45.81.38.11.315.60.6
road and cable line5.71.03.80.742.81.632.12.745.32.727.02.125.60.7
road and flight path0.60.30.10.110.21.040.92.926.52.445.52.415.40.6
no access intended5.31.07.91.018.01.23.71.10.30.315.61.710.40.5
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 #161751/148130

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
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 track6.8232.5387.5225.5245.3251.15828.611
road and skidding road9.0202.1412.8350.7711.4502.83518.914
road and cable line2.935..16.7148.9194.22810.41843.09
road and flight path0.41000.41005.3268.6194.62711.41730.610
no access intended1.1581.8452.835....1.1586.823
total20.2136.72335.11023.61115.61426.711127.95
outside perimeterroad and skidding track93.05176.2358.7712.31621.9125.026367.12
road and skidding road64.5647.0835.5105.1255.7259.918167.84
road and cable line8.3209.919137.4423.71151.5732.39263.13
road and flight path0.771..31.51033.0928.01060.56153.74
no access intended9.41918.71361.873.8300.410023.512117.65
total175.92251.81324.9277.94107.53131.331069.31
totalroad and skidding track99.84178.6366.2717.81327.2106.124395.72
road and skidding road73.5649.2838.495.8247.12212.816186.74
road and cable line11.2179.919154.0432.6955.8642.78306.13
road and flight path1.1580.410036.8941.5832.6971.96184.34
no access intended10.41820.51364.673.8300.410024.611124.35
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161752/148131

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonconcept of transportation system %± %± %±
AGroad and skidding track..63.04.461.54.4
road and skidding road33.327.331.94.332.04.2
road and cable line......
road and flight path......
no access intended66.727.35.02.06.62.2
total100.0.100.0.100.0.
AIroad and skidding track..59.112.955.512.6
road and skidding road100.0.14.69.519.810.3
road and cable line..19.710.518.59.9
road and flight path..6.66.56.26.1
no access intended......
total100.0.100.0.100.0.
ARroad and skidding track100.0.49.711.361.29.6
road and skidding road..19.99.115.37.2
road and cable line..30.410.523.48.5
road and flight path......
no access intended......
total100.0.100.0.100.0.
BEroad and skidding track27.06.238.02.336.82.1
road and skidding road30.76.419.61.920.81.8
road and cable line34.66.629.82.230.32.0
road and flight path3.82.71.80.62.00.6
no access intended3.82.710.81.510.11.3
total100.0.100.0.100.0.
BL/BSroad and skidding track50.020.658.07.457.16.9
road and skidding road16.715.337.57.335.16.7
road and cable line16.715.34.53.15.93.3
road and flight path......
no access intended16.715.3..2.02.0
total100.0.100.0.100.0.
FRroad and skidding track25.021.743.04.742.34.6
road and skidding road..14.23.313.73.2
road and cable line50.025.125.94.226.74.1
road and flight path......
no access intended25.021.717.03.617.23.5
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 line62.517.264.37.764.07.1
road and flight path25.015.47.74.310.74.6
no access intended12.511.827.97.225.36.4
total100.0.100.0.100.0.
GRroad and skidding track25.35.520.71.921.31.8
road and skidding road7.93.44.31.04.70.9
road and cable line42.96.246.22.345.82.2
road and flight path23.85.425.92.125.71.9
no access intended..2.90.82.50.7
total100.0.100.0.100.0.
JUroad and skidding track40.022.044.65.544.35.3
road and skidding road60.022.048.25.548.95.4
road and cable line..1.21.21.11.1
road and flight path......
no access intended..6.02.65.72.5
total100.0.100.0.100.0.
LUroad and skidding track..24.13.823.93.7
road and skidding road..10.12.710.02.6
road and cable line..11.02.810.92.8
road and flight path......
no access intended100.0.54.84.455.24.4
total100.0.100.0.100.0.
NEroad and skidding track30.014.654.55.751.75.4
road and skidding road70.014.539.15.642.65.3
road and cable line......
road and flight path......
no access intended..6.42.85.72.5
total100.0.100.0.100.0.
NWroad and skidding track..5.35.25.05.0
road and skidding road..10.57.210.06.9
road and cable line..36.811.335.010.9
road and flight path..15.88.515.08.2
no access intended100.0.31.610.935.010.9
total100.0.100.0.100.0.
OWroad and skidding track..2.02.01.81.8
road and skidding road25.021.87.93.89.23.9
road and cable line50.025.250.97.150.86.8
road and flight path25.021.817.85.418.35.3
no access intended..21.45.819.85.4
total100.0.100.0.100.0.
SGroad and skidding track58.911.934.74.037.33.9
road and skidding road11.87.819.13.318.43.1
road and cable line5.85.628.43.825.93.5
road and flight path23.610.316.33.117.13.0
no access intended..1.41.01.30.9
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 track33.327.456.15.555.35.4
road and skidding road33.327.431.75.231.85.1
road and cable line..9.83.39.43.2
road and flight path......
no access intended33.327.42.41.73.52.0
total100.0.100.0.100.0.
SZroad and skidding track..4.02.33.72.1
road and skidding road..14.74.113.63.8
road and cable line66.719.334.65.537.05.4
road and flight path..4.02.33.72.1
no access intended33.319.342.75.742.05.5
total100.0.100.0.100.0.
TGroad and skidding track50.035.684.04.483.14.5
road and skidding road50.035.614.64.315.54.3
road and cable line..1.41.41.41.4
road and flight path......
no access intended......
total100.0.100.0.100.0.
TIroad and skidding track5.02.82.10.92.60.9
road and skidding road11.74.19.11.79.51.6
road and cable line28.35.819.22.320.82.2
road and flight path50.06.550.63.050.52.7
no access intended5.02.819.02.316.62.0
total100.0.100.0.100.0.
URroad and skidding track8.38.014.05.312.84.5
road and skidding road..9.64.57.53.6
road and cable line50.014.536.17.339.06.6
road and flight path25.012.624.66.524.75.8
no access intended16.710.815.75.515.94.9
total100.0.100.0.100.0.
VDroad and skidding track5.95.749.53.246.73.1
road and skidding road17.69.319.82.519.72.4
road and cable line47.112.114.52.216.62.3
road and flight path17.69.35.61.56.41.5
no access intended11.87.810.52.010.61.9
total100.0.100.0.100.0.
VSroad and skidding track22.14.716.82.318.02.1
road and skidding road3.92.27.81.76.91.4
road and cable line39.05.632.02.933.62.6
road and flight path35.15.439.13.138.22.7
no access intended..4.31.33.31.0
total100.0.100.0.100.0.
ZGroad and skidding track..56.513.752.713.3
road and skidding road100.0.7.27.213.59.2
road and cable line..36.213.333.812.6
road and flight path......
no access intended......
total100.0.100.0.100.0.
ZHroad and skidding track..75.33.674.83.6
road and skidding road..12.32.712.32.7
road and cable line100.0.11.62.712.22.7
road and flight path......
no access intended..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track22.22.234.50.833.20.7
road and skidding road14.61.815.90.715.70.6
road and cable line33.72.524.50.725.50.7
road and flight path24.02.214.30.615.40.6
no access intended5.51.210.80.510.20.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161753/148132

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
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..30.2730.27
road and skidding road0.410015.31415.713
road and cable line......
road and flight path......
no access intended0.8702.4403.234
total1.25747.9349.12
AIroad and skidding track..2.9242.924
road and skidding road0.31000.7711.057
road and cable line..1.0541.054
road and flight path..0.31000.3100
no access intended......
total0.31004.9145.212
ARroad and skidding track1.9363.2255.116
road and skidding road..1.3471.347
road and cable line..2.0382.038
road and flight path......
no access intended......
total1.9376.5138.46
BEroad and skidding track4.82659.0663.86
road and skidding road5.52530.51035.99
road and cable line6.22346.3852.47
road and flight path0.7712.8353.431
no access intended0.77116.81417.513
total17.813155.32173.12
BL/BSroad and skidding track1.25710.61411.813
road and skidding road0.41006.9217.320
road and cable line0.41000.8701.257
road and flight path......
no access intended0.4100..0.4100
total2.43918.3720.75
FRroad and skidding track0.410017.91118.311
road and skidding road..5.9245.924
road and cable line0.77010.81611.616
road and flight path......
no access intended0.41007.1217.521
total1.54941.8443.33
GEroad and skidding track..3.1203.120
road and skidding road......
road and cable line......
road and flight path......
no access intended......
total..3.1203.120
GLroad and skidding track......
road and skidding road......
road and cable line1.9439.61511.513
road and flight path0.8701.2571.943
no access intended0.41004.2284.627
total3.13314.91018.07
GRroad and skidding track5.62532.61038.19
road and skidding road1.7456.7238.420
road and cable line9.51972.5682.05
road and flight path5.22640.7945.98
no access intended..4.5284.528
total22.012156.93179.02
JUroad and skidding track0.87014.41315.212
road and skidding road1.25715.51216.711
road and cable line..0.41000.4100
road and flight path......
no access intended..1.9441.944
total1.94432.3434.23
LUroad and skidding track..9.7169.716
road and skidding road..4.1264.126
road and cable line..4.5264.526
road and flight path......
no access intended0.310022.2922.59
total0.310040.4340.73
NEroad and skidding track1.05713.61214.611
road and skidding road2.2379.81612.013
road and cable line......
road and flight path......
no access intended..1.6441.644
total3.23025.0628.24
NWroad and skidding track..0.41000.4100
road and skidding road..0.8690.869
road and cable line..2.7322.732
road and flight path..1.2551.255
no access intended0.41002.3362.732
total0.41007.3107.78
OWroad and skidding track..0.41000.4100
road and skidding road0.41001.5491.943
road and cable line0.7709.61510.414
road and flight path0.41003.4313.729
no access intended..4.0284.028
total1.54918.9720.45
SGroad and skidding track3.63117.71321.311
road and skidding road0.7709.81810.517
road and cable line0.410014.51414.814
road and flight path1.4508.3209.818
no access intended..0.7700.770
total6.12350.9557.14
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 track0.410017.41017.810
road and skidding road0.41009.81710.217
road and cable line..3.0343.034
road and flight path......
no access intended0.41000.8701.157
total1.15731.0432.23
SZroad and skidding track..1.1571.157
road and skidding road..4.0294.029
road and cable line1.4499.41710.915
road and flight path..1.1571.157
no access intended0.77011.61512.314
total2.24027.2529.34
TGroad and skidding track0.310017.7718.06
road and skidding road0.31003.1303.429
road and cable line..0.31000.3100
road and flight path......
no access intended......
total0.67021.1421.74
TIroad and skidding track1.1582.1413.233
road and skidding road2.5379.31911.817
road and cable line6.12419.71325.711
road and flight path10.71851.6762.46
no access intended1.15819.41320.512
total21.512102.14123.62
URroad and skidding track0.31002.1402.437
road and skidding road..1.4501.450
road and cable line2.0395.3237.318
road and flight path1.0573.6284.624
no access intended0.7702.3363.031
total4.02714.81118.78
VDroad and skidding track0.410046.5746.87
road and skidding road1.15818.61319.713
road and cable line3.03513.71616.714
road and flight path1.1585.3266.424
no access intended0.8719.91910.618
total6.52493.93100.32
VSroad and skidding track5.82414.81420.612
road and skidding road1.0586.9227.920
road and cable line10.31828.21038.58
road and flight path9.31934.4943.77
no access intended..3.8303.830
total26.41088.04114.43
ZGroad and skidding track..3.3273.327
road and skidding road0.41000.41000.968
road and cable line..2.1372.137
road and flight path......
no access intended......
total0.41005.9116.37
ZHroad and skidding track..38.8538.85
road and skidding road..6.4226.422
road and cable line0.41006.0236.322
road and flight path......
no access intended..0.41000.4100
total0.410051.5351.82
Switzerlandroad and skidding track28.311369.42397.72
road and skidding road18.614170.24188.94
road and cable line43.09262.63305.63
road and flight path30.710153.84184.44
no access intended6.923115.95122.95
total127.551072.011199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161754/148133

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %±
inside perimeterroad and skidding track36.56.725.010.838.17.521.83.14.12.322.52.2
road and skidding road42.36.937.512.116.75.85.61.710.93.714.91.9
road and cable line11.54.412.58.326.26.842.43.737.15.733.52.5
road and flight path1.91.96.36.17.14.027.93.443.85.823.92.2
no access intended7.73.718.89.811.95.02.21.14.12.35.31.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track52.92.272.31.823.61.816.91.22.80.934.40.8
road and skidding road36.22.117.61.516.11.56.10.87.41.415.80.6
road and cable line4.40.93.40.733.32.044.61.624.92.324.50.7
road and flight path0.40.3..6.51.024.61.446.62.614.40.6
no access intended6.21.16.71.020.61.77.70.918.32.011.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.32.171.11.824.61.717.71.13.00.833.10.7
road and skidding road36.82.018.11.516.11.56.00.78.01.315.70.6
road and cable line5.00.93.60.732.81.944.31.526.92.125.40.7
road and flight path0.50.30.20.26.51.025.11.346.12.415.40.6
no access intended6.31.07.01.020.01.66.90.815.91.710.40.5
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 #161755/148134

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
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 track6.9231.4505.82513.5161.15828.711
road and skidding road8.0212.1412.5383.5312.83519.014
road and cable line2.2410.7714.03026.3119.61942.79
road and flight path0.41000.41001.15817.31411.31730.410
no access intended1.5501.1581.8451.4501.1586.823
total19.0135.62515.11561.9725.911127.55
outside perimeterroad and skidding track97.15163.1348.7854.983.531367.32
road and skidding road66.4639.7933.11019.8139.519168.64
road and cable line8.0217.72168.86144.9431.810261.33
road and flight path0.771..13.31679.9659.56153.54
no access intended11.31715.11542.5825.11223.412117.55
total183.62225.71206.52324.62127.931068.21
totalroad and skidding track104.04164.5354.4768.474.627396.02
road and skidding road74.5641.8835.7923.31212.416187.64
road and cable line10.2188.42072.86171.1441.48304.03
road and flight path1.1580.410014.41597.2570.96183.94
no access intended12.81616.21444.3826.51124.511124.35
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161756/148135

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track33.85.713.65.232.06.622.14.732.06.64.12.322.32.2
road and skidding road41.26.013.65.28.03.83.92.28.03.810.93.714.81.9
road and cable line11.83.952.37.534.16.739.05.634.06.737.15.733.72.5
road and flight path2.92.011.44.816.05.235.15.426.16.243.85.823.92.2
no access intended10.33.79.14.310.04.2....4.12.35.31.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track63.81.415.91.622.32.316.82.323.92.22.80.934.40.8
road and skidding road25.81.312.71.412.51.87.81.74.81.17.41.415.70.7
road and cable line3.80.642.22.137.22.632.02.946.22.624.92.324.50.7
road and flight path0.20.16.01.012.21.839.13.124.82.246.62.614.30.6
no access intended6.50.723.31.815.72.04.31.30.30.318.32.011.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track62.11.415.71.523.52.218.02.124.82.13.00.833.10.7
road and skidding road26.61.312.81.412.01.66.91.45.21.18.01.315.60.6
road and cable line4.30.642.92.136.82.433.62.644.82.426.92.125.50.7
road and flight path0.30.26.41.012.71.738.22.724.92.146.12.415.40.6
no access intended6.70.722.21.714.91.83.31.00.20.215.91.710.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161757/148136

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track8.2212.2415.5255.8245.6251.15828.411
road and skidding road10.0192.2411.4501.0581.4502.83518.814
road and cable line2.9358.3205.92410.3186.0249.61942.99
road and flight path0.7711.8452.8359.3194.62711.31730.410
no access intended2.5381.4501.744....1.1586.723
total24.31215.91517.31326.41017.61325.911127.35
outside perimeterroad and skidding track261.2330.71026.61114.81431.4103.531368.12
road and skidding road105.5524.51214.9156.9226.4239.519167.84
road and cable line15.71581.5544.4828.21060.7631.810262.43
road and flight path0.77111.51714.61534.4932.51059.56153.34
no access intended26.51145.1818.7133.8300.410023.412117.85
total409.61193.32119.2388.04131.33127.931069.31
totalroad and skidding track269.4232.81032.1920.61237.094.627396.52
road and skidding road115.6526.71116.3147.9207.82112.416186.64
road and cable line18.61489.8550.3738.5866.7641.48305.33
road and flight path1.45013.31617.31443.7737.1970.96183.84
no access intended29.01146.5820.4123.8300.410024.511124.55
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161758/148137

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system %± %± %±
Western Juraroad and skidding track31.07.150.72.548.82.4
road and skidding road47.67.736.62.437.62.3
road and cable line14.35.44.61.15.51.1
road and flight path2.42.40.50.40.70.4
no access intended4.83.37.71.37.41.3
total100.0.100.0.100.0.
Eastern Juraroad and skidding track60.015.560.84.660.74.4
road and skidding road20.012.734.74.533.54.3
road and cable line..3.61.83.31.6
road and flight path......
no access intended20.012.70.90.92.51.4
total100.0.100.0.100.0.
Western Plateauroad and skidding track..74.24.172.94.1
road and skidding road50.035.517.23.517.83.5
road and cable line50.035.5..0.80.8
road and flight path......
no access intended..8.62.68.52.6
total100.0.100.0.100.0.
Central Plateauroad and skidding track22.213.965.83.364.03.2
road and skidding road44.416.618.22.619.32.6
road and cable line11.110.53.31.23.61.2
road and flight path......
no access intended22.213.912.72.313.12.3
total100.0.100.0.100.0.
Eastern Plateauroad and skidding track40.021.976.02.475.42.4
road and skidding road20.017.917.32.117.42.1
road and cable line..4.81.24.71.2
road and flight path20.017.9..0.30.3
no access intended20.017.91.90.82.20.8
total100.0.100.0.100.0.
Western Pre-Alpsroad and skidding track20.012.729.34.328.54.1
road and skidding road..9.62.88.92.6
road and cable line40.015.542.54.742.34.5
road and flight path10.09.54.41.94.92.0
no access intended30.014.514.23.315.53.3
total100.0.100.0.100.0.
Central Pre-Alpsroad and skidding track10.09.513.62.113.52.0
road and skidding road30.014.518.12.318.52.3
road and cable line40.015.532.82.933.12.8
road and flight path10.09.55.21.35.31.3
no access intended10.09.530.32.829.52.7
total100.0.100.0.100.0.
Eastern Pre-Alpsroad and skidding track59.110.534.43.537.03.3
road and skidding road18.28.216.92.717.12.6
road and cable line13.67.328.63.327.03.1
road and flight path4.54.59.52.19.02.0
no access intended4.54.510.62.210.02.1
total100.0.100.0.100.0.
Northwestern Alpsroad and skidding track12.66.89.92.410.32.3
road and skidding road12.56.85.31.86.31.8
road and cable line62.49.958.54.059.03.7
road and flight path12.56.88.62.39.12.2
no access intended..17.83.115.32.7
total100.0.100.0.100.0.
Central Alpsroad and skidding track6.76.58.83.58.53.1
road and skidding road..7.43.26.12.6
road and cable line53.312.937.55.840.35.4
road and flight path20.010.417.24.517.74.2
no access intended20.010.429.05.527.44.9
total100.0.100.0.100.0.
Northeastern Alpsroad and skidding track15.410.06.02.67.32.7
road and skidding road..7.22.96.22.5
road and cable line46.213.957.85.456.25.1
road and flight path30.712.813.23.715.63.7
no access intended7.77.415.74.014.63.6
total100.0.100.0.100.0.
Southwestern Alpsroad and skidding track22.14.716.82.318.02.1
road and skidding road3.92.27.81.76.91.4
road and cable line39.05.632.02.933.62.6
road and flight path35.15.439.13.138.22.7
no access intended..4.31.33.31.0
total100.0.100.0.100.0.
Southeastern Alpsroad and skidding track32.06.623.92.224.82.1
road and skidding road8.03.84.81.15.21.1
road and cable line34.06.746.22.644.82.4
road and flight path26.16.224.82.224.92.1
no access intended..0.30.30.20.2
total100.0.100.0.100.0.
Southern Alpsroad and skidding track4.12.32.80.93.00.8
road and skidding road10.93.77.41.48.01.3
road and cable line37.15.724.92.326.92.1
road and flight path43.85.846.62.646.12.4
no access intended4.12.318.32.015.91.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track22.52.234.50.833.20.7
road and skidding road14.71.915.70.615.60.6
road and cable line33.62.524.60.725.50.7
road and flight path23.92.214.30.615.30.6
no access intended5.31.210.90.610.30.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161759/148138

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track4.62770.8675.45
road and skidding road7.12251.1758.26
road and cable line2.1416.4238.620
road and flight path0.41000.7711.158
no access intended0.77110.71811.417
total15.015139.72154.72
Eastern Juraroad and skidding track2.44026.9829.37
road and skidding road0.87015.41416.213
road and cable line..1.6491.649
road and flight path......
no access intended0.8700.41001.257
total4.03044.2348.22
Western Plateauroad and skidding track..35.6735.67
road and skidding road0.41008.2218.720
road and cable line0.4100..0.4100
road and flight path......
no access intended..4.1304.130
total0.87047.9448.73
Central Plateauroad and skidding track0.67143.6644.26
road and skidding road1.25012.11513.314
road and cable line0.31002.2372.535
road and flight path......
no access intended0.6718.4189.118
total2.83366.3369.12
Eastern Plateauroad and skidding track0.77184.7485.44
road and skidding road0.410019.31319.712
road and cable line..5.4255.425
road and flight path0.4100..0.4100
no access intended0.41002.1412.537
total1.844111.62113.32
Western Pre-Alpsroad and skidding track0.77012.21513.015
road and skidding road..4.0294.029
road and cable line1.54917.71219.211
road and flight path0.41001.9442.240
no access intended1.1575.9247.021
total3.73041.8545.54
Central Pre-Alpsroad and skidding track0.410013.31513.615
road and skidding road1.15817.61318.613
road and cable line1.45031.9933.49
road and flight path0.41005.0265.425
no access intended0.410029.41029.810
total3.63197.23100.82
Eastern Pre-Alpsroad and skidding track4.62723.21127.99
road and skidding road1.45011.41712.916
road and cable line1.15719.31220.412
road and flight path0.41006.4236.822
no access intended0.41007.1217.521
total7.92067.5475.33
Northwestern Alpsroad and skidding track1.1585.4256.523
road and skidding road1.1572.9353.930
road and cable line5.42531.8837.27
road and flight path1.1574.7275.724
no access intended..9.7189.718
total8.61954.4562.94
Central Alpsroad and skidding track0.31002.1402.537
road and skidding road..1.8441.844
road and cable line2.7349.01811.715
road and flight path1.0574.1275.224
no access intended1.0577.0218.019
total5.22424.0929.17
Northeastern Alpsroad and skidding track0.7701.8442.537
road and skidding road..2.1402.140
road and cable line2.24017.21119.310
road and flight path1.4493.9295.424
no access intended0.41004.7275.026
total4.72629.7634.45
Southwestern Alpsroad and skidding track5.82414.81420.612
road and skidding road1.0586.9227.920
road and cable line10.31828.21038.58
road and flight path9.31934.4943.77
no access intended..3.8303.830
total26.41088.04114.43
Southeastern Alpsroad and skidding track5.62531.41037.09
road and skidding road1.4506.4237.821
road and cable line6.02460.7666.76
road and flight path4.62732.51037.19
no access intended..0.41000.4100
total17.613131.33148.92
Southern Alpsroad and skidding track1.1583.5314.627
road and skidding road2.8359.51912.416
road and cable line9.61931.81041.48
road and flight path11.31759.5670.96
no access intended1.15823.41224.511
total25.911127.93153.82
Switzerlandroad and skidding track28.711369.22397.92
road and skidding road18.814168.74187.44
road and cable line43.09263.23306.23
road and flight path30.510153.24183.74
no access intended6.823117.15123.95
total127.751071.411199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161760/148139
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