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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 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%..2.9352.935
41-60%..11.81711.817
61-80%3.23336.5939.78
over 80%11.81784.9496.74
total15.015137.92152.82
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%..4.9284.928
61-80%0.410011.91712.316
over 80%0.410028.7829.18
total0.87047.6448.43
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%0.410021.11221.412
over 80%1.45080.8482.24
total1.844110.12111.92
Western Pre-Alps0-20%..0.41000.4100
21-40%..3.7313.731
41-60%..9.6189.618
61-80%0.77012.21513.015
over 80%3.03415.21318.112
total3.73041.0544.84
Central Pre-Alps0-20%..1.1581.158
21-40%..2.2412.241
41-60%..13.61513.615
61-80%2.24036.6838.78
over 80%1.45040.5741.97
total3.63193.9397.52
Eastern Pre-Alps0-20%..0.7710.771
21-40%..2.5372.537
41-60%0.41008.2208.620
61-80%2.14016.41318.612
over 80%5.42537.9743.26
total7.92065.7473.63
Northwestern Alps0-20%0.41001.4501.844
21-40%..3.9293.929
41-60%1.1588.6199.618
61-80%1.84418.91220.711
over 80%5.42520.01225.410
total8.61952.9561.54
Central Alps0-20%0.3100..0.3100
21-40%0.31001.8442.140
41-60%0.31005.6245.923
61-80%1.4495.5236.920
over 80%2.4379.31711.714
total4.82522.2927.07
Northeastern Alps0-20%..0.41000.4100
21-40%0.41002.5372.935
41-60%0.41005.0265.425
61-80%0.41007.5207.919
over 80%3.63011.81515.412
total4.72627.2731.96
Southwestern Alps0-20%..1.0581.058
21-40%1.0587.6218.619
41-60%6.92224.71131.69
61-80%8.22029.21037.48
over 80%10.31820.21230.59
total26.41082.74109.13
Southeastern Alps0-20%..1.7451.745
21-40%1.15813.71514.715
41-60%3.53144.8848.47
61-80%5.32544.3849.67
over 80%7.02219.21326.311
total16.914123.83140.62
Southern Alps0-20%..1.8451.845
21-40%1.1586.4237.421
41-60%3.23318.11321.312
61-80%5.32535.0940.38
over 80%15.61459.4675.05
total25.211120.63145.72
Switzerland0-20%0.77114.31615.015
21-40%3.93052.1855.98
41-60%16.115164.94181.04
61-80%32.010297.03329.03
over 80%73.27507.42580.72
total126.051035.711161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164495/150877

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track33.96.336.811.121.44.123.25.133.37.34.12.322.42.2
road and skidding road44.66.631.610.78.22.82.92.09.54.511.03.715.01.9
road and cable line14.34.7..48.05.037.75.828.67.038.45.733.82.5
road and flight path1.81.85.35.115.33.636.25.828.67.042.45.823.72.2
no access intended5.43.026.310.17.12.6....4.12.35.11.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track52.72.369.91.718.31.316.72.521.02.44.01.135.00.8
road and skidding road36.72.218.61.510.91.16.91.74.91.37.41.415.80.7
road and cable line4.81.04.00.742.51.731.03.249.23.026.12.324.70.7
road and flight path0.40.3..9.21.040.73.324.62.546.82.713.80.6
no access intended5.41.07.51.019.11.34.61.40.30.315.71.910.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track50.72.269.11.718.71.318.22.322.62.34.01.033.70.7
road and skidding road37.52.119.01.510.61.06.01.45.51.38.01.315.70.6
road and cable line5.81.03.90.743.11.632.62.846.62.828.22.225.70.7
road and flight path0.60.30.10.19.81.039.62.925.12.446.02.414.80.6
no access intended5.41.08.01.017.91.23.51.10.30.313.71.710.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164496/150878

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 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 track6.8232.5387.5225.5244.9261.15828.311
road and skidding road9.0202.1412.8350.7711.4502.83518.914
road and cable line2.935..16.7148.9194.22810.01842.79
road and flight path0.41000.41005.3268.6194.22811.01729.911
no access intended1.1581.8452.538....1.1586.424
total20.2136.72334.81023.61114.81526.011126.15
outside perimeterroad and skidding track91.55175.1356.9712.31621.2125.026362.02
road and skidding road63.8646.7833.7105.1255.0269.219163.54
road and cable line8.3209.919131.9423.01149.7732.39255.13
road and flight path0.771..28.41130.1924.81158.07142.14
no access intended9.41918.71359.273.4310.410019.413110.55
total173.72250.41310.1274.04101.13124.031033.31
totalroad and skidding track98.44177.5364.4717.81326.1116.124390.32
road and skidding road72.8648.8836.695.8246.42312.017182.44
road and cable line11.2179.919148.6431.8954.0642.38297.83
road and flight path1.1580.410033.71038.7829.11069.06171.94
no access intended10.41820.51361.773.4310.410020.512116.95
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164497/150879

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
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 track100.0.52.611.664.09.6
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 track27.06.237.92.336.82.2
road and skidding road30.76.419.81.921.01.8
road and cable line34.66.630.02.230.52.1
road and flight path3.82.71.80.62.00.6
no access intended3.82.710.41.59.71.3
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 track25.021.743.74.743.04.6
road and skidding road..12.73.212.33.1
road and cable line50.025.126.44.227.24.2
road and flight path......
no access intended25.021.717.33.617.53.6
total100.0.100.0.100.0.
GEroad and skidding track..100.0.100.0.
road and skidding road......
road and cable line......
road and flight path......
no access intended......
total..100.0.100.0.
GLroad and skidding track......
road and skidding road......
road and cable line62.517.265.07.964.67.2
road and flight path25.015.48.14.511.14.7
no access intended12.511.826.97.324.36.4
total100.0.100.0.100.0.
GRroad and skidding track25.05.621.62.022.01.9
road and skidding road8.33.64.01.04.61.0
road and cable line43.46.447.92.447.32.3
road and flight path23.35.523.92.123.91.9
no access intended..2.60.82.30.7
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..24.53.824.33.8
road and skidding road..10.32.710.22.7
road and cable line..9.52.69.42.6
road and flight path......
no access intended100.0.55.84.456.14.4
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..2.12.12.02.0
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 track58.911.936.14.238.74.0
road and skidding road11.87.818.83.418.03.1
road and cable line5.85.628.63.926.03.6
road and flight path23.610.315.03.116.03.0
no access intended..1.51.11.30.9
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 track33.327.456.85.556.05.4
road and skidding road33.327.430.95.231.05.1
road and cable line..9.93.39.53.2
road and flight path......
no access intended33.327.42.51.73.62.0
total100.0.100.0.100.0.
SZroad and skidding track..4.12.33.82.2
road and skidding road..15.14.214.14.0
road and cable line80.017.932.85.535.95.5
road and flight path..4.12.33.82.2
no access intended20.018.043.95.842.35.6
total100.0.100.0.100.0.
TGroad and skidding track50.035.685.64.384.64.3
road and skidding road50.035.613.04.114.04.1
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 track5.12.92.20.92.70.9
road and skidding road11.94.28.81.79.41.6
road and cable line28.85.920.42.521.92.3
road and flight path49.26.552.03.051.52.8
no access intended5.12.916.62.314.51.9
total100.0.100.0.100.0.
URroad and skidding track8.38.012.15.111.34.4
road and skidding road..10.14.87.83.8
road and cable line50.014.537.97.540.66.7
road and flight path25.012.625.86.825.76.0
no access intended16.710.814.15.414.74.8
total100.0.100.0.100.0.
VDroad and skidding track5.95.749.53.246.73.1
road and skidding road17.69.320.12.620.02.5
road and cable line47.112.114.02.216.12.3
road and flight path17.69.35.71.56.51.5
no access intended11.87.810.72.010.81.9
total100.0.100.0.100.0.
VSroad and skidding track22.14.717.82.518.92.2
road and skidding road3.92.27.91.76.91.4
road and cable line39.05.632.83.034.32.7
road and flight path35.15.437.33.136.82.7
no access intended..4.11.33.11.0
total100.0.100.0.100.0.
ZGroad and skidding track..53.814.350.013.8
road and skidding road100.0.7.77.714.39.7
road and cable line..38.513.935.713.2
road and flight path......
no access intended......
total100.0.100.0.100.0.
ZHroad and skidding track..75.03.674.53.6
road and skidding road..12.52.812.42.7
road and cable line100.0.11.82.712.42.7
road and flight path......
no access intended..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track22.22.235.20.833.80.8
road and skidding road14.81.916.00.715.90.6
road and cable line33.92.524.60.825.60.7
road and flight path23.82.213.70.614.80.6
no access intended5.21.210.50.59.90.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164498/150880

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 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..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..1.6411.641
road and flight path......
no access intended......
total1.9376.1128.05
BEroad and skidding track4.82657.5762.36
road and skidding road5.52530.11035.69
road and cable line6.22345.5851.77
road and flight path0.7712.8353.431
no access intended0.77115.81416.514
total17.813151.72169.52
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..5.2255.225
road and cable line0.77010.81611.616
road and flight path......
no access intended0.41007.1217.521
total1.54941.1442.63
GEroad and skidding track..3.1203.120
road and skidding road......
road and cable line......
road and flight path......
no access intended......
total..3.1203.120
GLroad and skidding track......
road and skidding road......
road and cable line1.9439.21611.213
road and flight path0.8701.2571.943
no access intended0.41003.8294.228
total3.13314.21017.37
GRroad and skidding track5.22531.81037.19
road and skidding road1.7455.9247.721
road and cable line9.11970.7679.85
road and flight path4.92635.4940.38
no access intended..3.8303.830
total21.012147.73168.62
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 intended0.310022.2922.59
total0.310039.7340.03
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 line0.7708.9169.715
road and flight path0.41003.4313.729
no access intended..3.4313.431
total1.54917.5619.04
SGroad and skidding track3.63117.31321.011
road and skidding road0.7709.0199.818
road and cable line0.410013.71514.114
road and flight path1.4507.2218.719
no access intended..0.7700.770
total6.12348.1554.24
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 road0.41009.5179.817
road and cable line..3.0343.034
road and flight path......
no access intended0.41000.8701.157
total1.15730.7431.83
SZroad and skidding track..1.1571.157
road and skidding road..4.0294.029
road and cable line1.4498.71710.116
road and flight path..1.1571.157
no access intended0.410011.61512.014
total1.84426.4628.35
TGroad and skidding track0.310017.7718.06
road and skidding road0.31002.7313.030
road and cable line..0.31000.3100
road and flight path......
no access intended......
total0.67020.7421.33
TIroad and skidding track1.1582.1413.233
road and skidding road2.5378.52011.117
road and cable line6.12419.71325.711
road and flight path10.41850.2760.56
no access intended1.15816.01417.114
total21.11296.54117.72
URroad and skidding track0.31001.7442.040
road and skidding road..1.4501.450
road and cable line2.0395.3237.318
road and flight path1.0573.6284.624
no access intended0.7702.0392.634
total4.02714.01218.09
VDroad and skidding track0.410045.8746.17
road and skidding road1.15818.61319.713
road and cable line3.03512.91616.014
road and flight path1.1585.3266.424
no access intended0.8719.91910.618
total6.52492.4398.92
VSroad and skidding track5.82414.81420.612
road and skidding road1.0586.5227.521
road and cable line10.31827.11037.48
road and flight path9.31930.9940.18
no access intended..3.4313.431
total26.41082.74109.13
ZGroad and skidding track..3.0283.028
road and skidding road0.41000.41000.968
road and cable line..2.1372.137
road and flight path......
no access intended......
total0.41005.696.06
ZHroad and skidding track..38.1538.15
road and skidding road..6.4226.422
road and cable line0.41006.0236.322
road and flight path......
no access intended..0.41000.4100
total0.410050.8251.12
Switzerlandroad and skidding track27.911364.42392.32
road and skidding road18.614165.94184.54
road and cable line42.69254.83297.43
road and flight path29.911142.44172.34
no access intended6.624109.05115.65
total125.751036.411162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164499/150881

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %±
inside perimeterroad and skidding track36.56.725.010.838.17.521.63.14.22.422.52.2
road and skidding road42.36.937.512.116.75.85.71.711.33.815.11.9
road and cable line11.54.412.58.326.26.843.23.736.75.733.72.5
road and flight path1.91.96.36.17.14.027.83.443.65.923.62.2
no access intended7.73.718.89.811.95.01.71.04.22.45.11.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track52.82.272.21.823.91.817.51.32.90.935.10.8
road and skidding road36.12.217.61.515.81.56.10.87.31.415.90.7
road and cable line4.40.93.50.733.22.045.51.726.42.424.50.7
road and flight path0.40.3..6.61.123.21.447.32.713.80.6
no access intended6.21.16.81.020.51.77.70.916.02.010.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track51.32.171.01.824.91.818.21.23.20.933.70.7
road and skidding road36.72.118.11.515.91.56.10.78.01.315.80.6
road and cable line5.10.93.70.732.71.945.11.528.22.225.50.7
road and flight path0.50.30.20.26.71.023.91.346.72.514.80.6
no access intended6.41.07.11.019.91.66.70.814.01.710.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164500/150882

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 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 track6.9231.4505.82513.1161.15828.311
road and skidding road8.0212.1412.5383.5312.83519.014
road and cable line2.2410.7714.03026.3119.21942.49
road and flight path0.41000.41001.15816.91411.01729.711
no access intended1.5501.1581.8451.0581.1586.424
total19.0135.62515.11560.8725.211125.85
outside perimeterroad and skidding track96.05161.3347.9853.483.531362.22
road and skidding road65.7639.4931.71018.7138.820164.34
road and cable line8.0217.72166.76139.2431.810253.43
road and flight path0.771..13.31670.9657.17142.04
no access intended11.31715.11541.1923.71219.313110.55
total181.82223.51200.72305.92120.631032.51
totalroad and skidding track102.94162.7353.7766.674.627390.52
road and skidding road73.7641.5834.21022.21211.617183.34
road and cable line10.2188.42070.66165.5441.18295.83
road and flight path1.1580.410014.41587.8668.06171.74
no access intended12.81616.21442.9824.71220.412117.05
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164501/150883

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 NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track33.85.713.65.232.66.722.14.731.36.74.22.422.42.2
road and skidding road41.26.013.65.28.23.93.92.28.34.011.33.815.01.9
road and cable line11.83.952.37.534.86.839.05.635.46.936.75.733.92.5
road and flight path2.92.011.44.816.35.335.15.425.06.343.65.923.72.2
no access intended10.33.79.14.38.23.9....4.22.45.11.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track63.71.415.91.623.02.317.82.524.72.32.90.935.10.8
road and skidding road25.71.312.71.512.61.87.91.74.61.17.31.415.80.7
road and cable line3.90.642.02.237.22.732.83.047.62.726.42.424.60.7
road and flight path0.20.16.11.111.81.837.33.122.82.247.32.713.70.6
no access intended6.50.723.21.915.52.04.11.30.30.316.02.010.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track62.01.415.81.524.22.218.92.225.52.23.20.933.70.7
road and skidding road26.61.312.71.412.01.76.91.45.01.18.01.315.70.6
road and cable line4.30.642.82.136.92.534.32.746.12.528.22.225.60.7
road and flight path0.30.26.51.012.41.736.82.723.12.146.72.514.80.6
no access intended6.70.722.11.714.51.83.11.00.20.214.01.710.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164502/150884

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 NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track8.2212.2415.5255.8245.3251.15828.111
road and skidding road10.0192.2411.4501.0581.4502.83518.814
road and cable line2.9358.3205.92410.3186.0249.21942.59
road and flight path0.7711.8452.8359.3194.22811.01729.711
no access intended2.5381.4501.450....1.1586.424
total24.31215.91516.91326.41016.91425.211125.55
outside perimeterroad and skidding track258.3329.91025.91114.81430.6103.531363.02
road and skidding road104.5523.81214.2156.5225.6258.820163.44
road and cable line15.71579.0641.9827.11058.9631.810254.53
road and flight path0.77111.51713.31630.9928.21057.17141.74
no access intended26.51143.6817.5133.4310.410019.313110.75
total405.71187.92112.7382.74123.83120.631033.31
totalroad and skidding track266.5232.11031.41020.61235.994.627391.12
road and skidding road114.5526.01115.6147.5217.02211.617182.34
road and cable line18.61487.3547.8737.4864.9641.18297.03
road and flight path1.45013.31616.01440.1832.4968.06171.44
no access intended29.01145.1818.8133.4310.410020.412117.15
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164503/150885

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · concept of transportation system · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system %± %± %±
Western Juraroad and skidding track31.07.150.52.548.62.4
road and skidding road47.67.736.52.537.62.3
road and cable line14.35.44.71.15.61.1
road and flight path2.42.40.50.40.70.4
no access intended4.83.37.81.47.51.3
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..74.04.172.74.1
road and skidding road50.035.517.33.517.93.5
road and cable line50.035.5..0.90.9
road and flight path......
no access intended..8.72.68.52.6
total100.0.100.0.100.0.
Central Plateauroad and skidding track22.213.965.63.363.83.2
road and skidding road44.416.618.32.719.42.7
road and cable line11.110.53.31.23.61.3
road and flight path......
no access intended22.213.912.82.313.22.3
total100.0.100.0.100.0.
Eastern Plateauroad and skidding track40.021.976.02.475.42.4
road and skidding road20.017.917.22.217.32.1
road and cable line..4.91.24.81.2
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 track20.012.729.84.429.04.1
road and skidding road..8.12.67.42.4
road and cable line40.015.543.24.743.04.5
road and flight path10.09.54.52.05.02.0
no access intended30.014.514.43.315.73.3
total100.0.100.0.100.0.
Central Pre-Alpsroad and skidding track10.09.513.72.113.62.1
road and skidding road30.014.518.72.419.12.4
road and cable line40.015.532.42.932.72.8
road and flight path10.09.55.31.45.51.4
no access intended10.09.529.82.829.02.8
total100.0.100.0.100.0.
Eastern Pre-Alpsroad and skidding track59.110.534.83.537.43.4
road and skidding road18.28.216.32.716.52.6
road and cable line13.67.328.33.326.73.1
road and flight path4.54.59.82.29.22.0
no access intended4.54.510.92.310.22.1
total100.0.100.0.100.0.
Northwestern Alpsroad and skidding track12.66.89.52.49.92.3
road and skidding road12.56.85.41.96.41.9
road and cable line62.49.958.14.158.73.8
road and flight path12.56.88.82.39.32.2
no access intended..18.33.215.72.8
total100.0.100.0.100.0.
Central Alpsroad and skidding track7.16.97.93.47.73.1
road and skidding road..8.03.46.62.8
road and cable line57.113.337.36.140.95.6
road and flight path21.411.018.64.919.14.5
no access intended14.39.428.25.725.75.0
total100.0.100.0.100.0.
Northeastern Alpsroad and skidding track15.410.06.62.97.92.9
road and skidding road..7.93.16.72.7
road and cable line46.213.959.25.757.35.3
road and flight path30.712.810.53.513.53.6
no access intended7.77.415.84.214.63.8
total100.0.100.0.100.0.
Southwestern Alpsroad and skidding track22.14.717.82.518.92.2
road and skidding road3.92.27.91.76.91.4
road and cable line39.05.632.83.034.32.7
road and flight path35.15.437.33.136.82.7
no access intended..4.11.33.11.0
total100.0.100.0.100.0.
Southeastern Alpsroad and skidding track31.36.724.72.325.52.2
road and skidding road8.34.04.61.15.01.1
road and cable line35.46.947.62.746.12.5
road and flight path25.06.322.82.223.12.1
no access intended..0.30.30.20.2
total100.0.100.0.100.0.
Southern Alpsroad and skidding track4.22.42.90.93.20.9
road and skidding road11.33.87.31.48.01.3
road and cable line36.75.726.42.428.22.2
road and flight path43.65.947.32.746.72.5
no access intended4.22.416.02.014.01.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track22.52.235.20.833.80.7
road and skidding road14.91.915.90.715.80.6
road and cable line33.82.524.70.725.60.7
road and flight path23.62.213.70.614.80.6
no access intended5.11.210.60.610.00.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164504/150886

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 NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track4.62769.7674.35
road and skidding road7.12250.3757.56
road and cable line2.1416.4238.620
road and flight path0.41000.7711.158
no access intended0.77110.71811.417
total15.015137.92152.82
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..35.2735.27
road and skidding road0.41008.2218.720
road and cable line0.4100..0.4100
road and flight path......
no access intended..4.1304.130
total0.87047.6448.43
Central Plateauroad and skidding track0.67143.2643.86
road and skidding road1.25012.11513.314
road and cable line0.31002.2372.535
road and flight path......
no access intended0.6718.4189.118
total2.83365.9368.72
Eastern Plateauroad and skidding track0.77183.6484.44
road and skidding road0.410018.91319.313
road and cable line..5.4255.425
road and flight path0.4100..0.4100
no access intended0.41002.1412.537
total1.844110.12111.92
Western Pre-Alpsroad and skidding track0.77012.21513.015
road and skidding road..3.3333.333
road and cable line1.54917.71219.211
road and flight path0.41001.9442.240
no access intended1.1575.9247.021
total3.73041.0544.84
Central Pre-Alpsroad and skidding track0.410012.91613.315
road and skidding road1.15817.61318.613
road and cable line1.45030.5931.99
road and flight path0.41005.0265.425
no access intended0.410028.01028.310
total3.63193.9397.52
Eastern Pre-Alpsroad and skidding track4.62722.91127.59
road and skidding road1.45010.71712.116
road and cable line1.15718.61219.612
road and flight path0.41006.4236.822
no access intended0.41007.1217.521
total7.92065.7473.63
Northwestern Alpsroad and skidding track1.1585.0266.123
road and skidding road1.1572.9353.930
road and cable line5.42530.7836.17
road and flight path1.1574.7275.724
no access intended..9.7189.718
total8.61952.9561.54
Central Alpsroad and skidding track0.31001.7442.140
road and skidding road..1.8441.844
road and cable line2.7348.31811.015
road and flight path1.0574.1275.224
no access intended0.7706.2226.921
total4.82522.2927.07
Northeastern Alpsroad and skidding track0.7701.8442.537
road and skidding road..2.1402.140
road and cable line2.24016.11218.311
road and flight path1.4492.9344.327
no access intended0.41004.3284.726
total4.72627.2731.96
Southwestern Alpsroad and skidding track5.82414.81420.612
road and skidding road1.0586.5227.521
road and cable line10.31827.11037.48
road and flight path9.31930.9940.18
no access intended..3.4313.431
total26.41082.74109.13
Southeastern Alpsroad and skidding track5.32530.61035.99
road and skidding road1.4505.6257.022
road and cable line6.02458.9664.96
road and flight path4.22828.21032.49
no access intended..0.41000.4100
total16.914123.83140.62
Southern Alpsroad and skidding track1.1583.5314.627
road and skidding road2.8358.82011.617
road and cable line9.21931.81041.18
road and flight path11.01757.1768.06
no access intended1.15819.31320.412
total25.211120.63145.72
Switzerlandroad and skidding track28.411364.12392.52
road and skidding road18.814164.34183.14
road and cable line42.69255.33297.93
road and flight path29.811141.84171.64
no access intended6.424110.15116.65
total126.051035.711161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164505/150887

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder60.76.573.710.134.74.834.85.726.26.815.14.235.92.5
forwarder19.65.321.19.45.12.21.41.47.14.01.41.47.11.4
mobile tower yarder8.93.8..21.44.126.15.319.06.115.14.217.62.0
cable crane3.62.5..19.44.01.41.419.06.122.04.913.01.8
helicopter1.81.85.35.119.44.036.25.828.67.045.25.825.42.3
others5.43.0........1.41.41.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder61.42.258.51.935.41.620.82.818.22.39.71.639.60.9
forwarder30.52.136.31.83.70.64.21.47.31.52.60.916.40.6
mobile tower yarder5.21.03.80.721.51.419.92.722.72.510.91.713.20.6
cable crane0.80.40.60.321.31.48.81.925.82.613.81.811.50.6
helicopter0.60.40.10.117.61.345.43.425.62.659.62.618.30.6
others1.50.50.70.30.50.20.90.70.40.43.41.01.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder61.32.158.91.835.31.524.22.519.22.210.71.539.20.8
forwarder29.42.035.91.83.80.63.51.17.31.42.40.715.30.6
mobile tower yarder5.61.03.70.721.51.321.42.422.32.311.61.613.70.6
cable crane1.10.50.60.321.11.37.01.524.92.415.21.811.60.5
helicopter0.70.40.30.217.81.243.22.926.02.457.12.419.10.6
others1.90.60.70.30.40.20.70.50.30.33.10.81.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164506/150888

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder12.2174.92612.1178.2203.9303.93045.39
forwarder4.0301.4501.8450.31001.1580.41008.920
mobile tower yarder1.845..7.4226.2232.8353.93022.112
cable crane0.771..6.7230.31002.8355.72516.315
helicopter0.41000.41006.7238.6194.22811.81732.010
others1.158........0.41001.450
total20.2136.72334.81023.61114.81526.011126.15
outside perimeterskidder106.64146.43109.8515.41418.41312.117408.72
forwarder53.0790.9511.4173.1337.4213.233169.04
mobile tower yarder9.0209.51966.7714.71423.01113.516136.55
cable crane1.4501.45066.176.52226.11017.114118.65
helicopter1.1580.410054.7833.6925.91173.95189.54
others2.5381.8451.4500.7710.41004.22911.018
total173.72250.41310.1274.04101.13124.031033.31
totalskidder118.94151.43121.9523.61122.31216.014454.02
forwarder56.9792.3513.2163.4318.5203.631177.94
mobile tower yarder10.8189.51974.2620.91225.81017.414158.64
cable crane2.2411.45072.866.82228.91022.812135.05
helicopter1.4500.77161.4742.1730.11085.75221.43
others3.6311.8451.4500.7710.41004.62812.417
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164507/150889

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonmain type of harvest %± %± %±
AGskidder66.727.358.04.558.24.4
forwarder33.327.337.84.437.74.4
mobile tower yarder..1.71.21.61.2
cable crane......
helicopter..0.80.80.80.8
others..1.71.21.61.2
total100.0.100.0.100.0.
AIskidder100.0.67.112.469.211.8
forwarder..6.66.56.26.1
mobile tower yarder..6.66.56.26.1
cable crane..6.66.56.26.1
helicopter..13.18.912.38.4
others......
total100.0.100.0.100.0.
ARskidder50.020.857.911.456.010.0
forwarder50.020.815.88.524.08.7
mobile tower yarder..15.88.512.06.6
cable crane..10.57.28.05.5
helicopter......
others......
total100.0.100.0.100.0.
BEskidder53.96.949.52.449.92.2
forwarder9.64.114.61.714.11.6
mobile tower yarder23.05.815.61.716.41.7
cable crane7.73.712.91.612.31.5
helicopter3.82.77.51.37.11.2
others1.91.9..0.20.2
total100.0.100.0.100.0.
BL/BSskidder16.715.359.87.454.77.0
forwarder50.020.635.77.237.46.8
mobile tower yarder16.715.34.53.15.93.3
cable crane16.715.3..2.02.0
helicopter......
others......
total100.0.100.0.100.0.
FRskidder50.025.151.84.851.84.7
forwarder..12.73.212.33.1
mobile tower yarder..20.93.920.23.8
cable crane25.021.78.22.68.82.7
helicopter25.021.75.52.26.12.3
others..0.90.90.80.8
total100.0.100.0.100.0.
GEskidder......
forwarder..100.0.100.0.
mobile tower yarder......
cable crane......
helicopter......
others......
total..100.0.100.0.
GLskidder12.511.827.17.424.56.5
forwarder......
mobile tower yarder..16.36.113.45.1
cable crane50.017.837.98.040.17.3
helicopter37.517.318.76.422.16.2
others......
total100.0.100.0.100.0.
GRskidder21.75.319.41.919.71.8
forwarder5.02.86.11.26.01.1
mobile tower yarder28.35.821.02.021.91.9
cable crane21.75.325.72.125.22.0
helicopter23.35.527.72.227.12.0
others......
total100.0.100.0.100.0.
JUskidder100.0.76.94.778.24.4
forwarder..14.53.913.73.7
mobile tower yarder..4.92.44.62.3
cable crane......
helicopter......
others..3.72.13.52.0
total100.0.100.0.100.0.
LUskidder..56.44.456.04.4
forwarder100.0.14.43.115.03.2
mobile tower yarder..14.23.114.13.1
cable crane..12.63.012.52.9
helicopter..2.41.42.41.3
others......
total100.0.100.0.100.0.
NEskidder70.014.594.92.592.02.9
forwarder10.09.55.12.55.72.5
mobile tower yarder......
cable crane......
helicopter......
others20.012.7..2.31.6
total100.0.100.0.100.0.
NWskidder100.0.31.610.935.010.9
forwarder......
mobile tower yarder..21.19.520.09.1
cable crane..21.19.520.09.1
helicopter..26.310.325.09.9
others......
total100.0.100.0.100.0.
OWskidder50.025.219.25.821.65.8
forwarder..4.33.03.92.7
mobile tower yarder..25.66.423.66.0
cable crane25.021.823.36.223.46.0
helicopter25.021.827.76.627.56.3
others......
total100.0.100.0.100.0.
SGskidder64.811.651.94.353.34.1
forwarder5.95.73.81.74.01.6
mobile tower yarder..6.02.15.31.8
cable crane5.85.619.63.418.03.1
helicopter23.610.318.03.318.73.2
others..0.70.70.70.7
total100.0.100.0.100.0.
SHskidder..14.76.113.95.8
forwarder100.0.79.46.880.66.4
mobile tower yarder..2.92.92.82.8
cable crane......
helicopter......
others..2.92.92.82.8
total100.0.100.0.100.0.
SOskidder33.327.442.05.541.75.4
forwarder33.327.446.95.646.45.5
mobile tower yarder..8.63.18.33.0
cable crane33.327.4..1.21.2
helicopter......
others..2.51.72.41.7
total100.0.100.0.100.0.
SZskidder..27.45.225.75.0
forwarder..5.52.75.12.5
mobile tower yarder40.022.027.45.228.25.1
cable crane40.022.09.63.511.53.6
helicopter20.018.027.45.226.95.1
others..2.71.92.61.8
total100.0.100.0.100.0.
TGskidder100.0.50.56.051.95.9
forwarder..42.36.041.15.9
mobile tower yarder..1.41.41.41.4
cable crane......
helicopter......
others..5.82.85.62.7
total100.0.100.0.100.0.
TIskidder16.94.99.21.810.61.7
forwarder1.71.73.01.02.70.9
mobile tower yarder6.83.37.41.67.31.4
cable crane20.35.212.22.013.71.9
helicopter52.56.563.82.961.82.7
others1.71.74.41.23.91.1
total100.0.100.0.100.0.
URskidder8.38.019.56.217.05.2
forwarder8.38.0..1.81.8
mobile tower yarder33.313.711.75.016.55.1
cable crane16.710.826.26.824.15.9
helicopter33.313.739.97.638.56.6
others..2.72.62.12.1
total100.0.100.0.100.0.
VDskidder52.912.141.03.241.83.1
forwarder5.95.738.53.136.43.0
mobile tower yarder11.87.810.72.010.81.9
cable crane11.87.83.31.13.81.2
helicopter17.69.36.51.67.21.6
others......
total100.0.100.0.100.0.
VSskidder35.15.423.22.726.12.5
forwarder1.31.35.01.44.11.1
mobile tower yarder27.35.119.12.521.12.3
cable crane1.31.310.42.08.21.5
helicopter35.15.441.53.239.92.8
others..0.80.60.60.4
total100.0.100.0.100.0.
ZGskidder100.0.53.814.357.113.7
forwarder..7.77.77.17.1
mobile tower yarder..30.813.228.612.5
cable crane..7.77.77.17.1
helicopter......
others......
total100.0.100.0.100.0.
ZHskidder..58.34.157.94.1
forwarder..30.53.830.33.8
mobile tower yarder..10.42.610.32.5
cable crane100.0.0.70.71.41.0
helicopter......
others......
total100.0.100.0.100.0.
Switzerlandskidder35.82.539.50.939.10.8
forwarder7.01.416.60.615.60.6
mobile tower yarder17.42.013.20.613.60.6
cable crane13.11.811.40.611.50.5
helicopter25.52.318.30.619.10.6
others1.10.51.10.21.10.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164508/150890

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %
AGskidder0.87027.8828.68
forwarder0.410018.11218.512
mobile tower yarder..0.8700.870
cable crane......
helicopter..0.41000.4100
others..0.8700.870
total1.25747.9349.12
AIskidder0.31003.3243.622
forwarder..0.31000.3100
mobile tower yarder..0.31000.3100
cable crane..0.31000.3100
helicopter..0.6690.669
others......
total0.31004.9145.212
ARskidder1.0553.5234.518
forwarder1.0551.0551.936
mobile tower yarder..1.0551.055
cable crane..0.6690.669
helicopter......
others......
total1.9376.1128.05
BEskidder9.61875.0584.65
forwarder1.74522.21223.911
mobile tower yarder4.12923.61127.710
cable crane1.45019.51320.912
helicopter0.77111.31712.016
others0.3100..0.3100
total17.813151.72169.52
BL/BSskidder0.410010.91411.314
forwarder1.2576.5217.719
mobile tower yarder0.41000.8701.257
cable crane0.4100..0.4100
helicopter......
others......
total2.43918.3720.75
FRskidder0.77021.31022.09
forwarder..5.2255.225
mobile tower yarder..8.6198.619
cable crane0.41003.4323.730
helicopter0.41002.2402.637
others..0.41000.4100
total1.54941.1442.63
GEskidder......
forwarder..3.1203.120
mobile tower yarder......
cable crane......
helicopter......
others......
total..3.1203.120
GLskidder0.41003.9294.227
forwarder......
mobile tower yarder..2.3392.339
cable crane1.5495.4236.919
helicopter1.2572.7363.829
others......
total3.13314.21017.37
GRskidder4.52728.71033.29
forwarder1.0589.11910.118
mobile tower yarder5.92431.01037.09
cable crane4.62738.0942.58
helicopter4.92640.9845.88
others......
total21.012147.73168.62
JUskidder1.94424.6726.56
forwarder..4.6274.627
mobile tower yarder..1.6491.649
cable crane......
helicopter......
others..1.2571.257
total1.94431.9433.93
LUskidder..22.4922.49
forwarder0.31005.7226.022
mobile tower yarder..5.6225.622
cable crane..5.0245.024
helicopter..0.9570.957
others......
total0.310039.7340.03
NEskidder2.23723.7725.96
forwarder0.31001.3491.644
mobile tower yarder......
cable crane......
helicopter......
others0.670..0.670
total3.23025.0628.24
NWskidder0.41002.3362.732
forwarder......
mobile tower yarder..1.5461.546
cable crane..1.5461.546
helicopter..1.9401.940
others......
total0.41007.3107.78
OWskidder0.7703.4314.127
forwarder..0.7700.770
mobile tower yarder..4.5264.526
cable crane0.41004.1284.526
helicopter0.41004.9245.223
others......
total1.54917.5619.04
SGskidder4.02924.91028.99
forwarder0.41001.8442.240
mobile tower yarder..2.9352.935
cable crane0.41009.4189.818
helicopter1.4508.71910.118
others..0.41000.4100
total6.12348.1554.24
SHskidder..1.8421.842
forwarder0.7709.61010.39
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others..0.41000.4100
total0.77012.1512.83
SOskidder0.410012.91413.213
forwarder0.410014.41314.812
mobile tower yarder..2.6362.636
cable crane0.4100..0.4100
helicopter......
others..0.8700.870
total1.15730.7431.83
SZskidder..7.3207.320
forwarder..1.4491.449
mobile tower yarder0.7707.2208.018
cable crane0.7702.5363.332
helicopter0.41007.3207.620
others..0.7700.770
total1.84426.4628.35
TGskidder0.67010.51211.012
forwarder..8.7158.715
mobile tower yarder..0.31000.3100
cable crane......
helicopter......
others..1.2491.249
total0.67020.7421.33
TIskidder3.6318.91912.516
forwarder0.41002.9353.233
mobile tower yarder1.4507.1228.520
cable crane4.32811.81716.114
helicopter11.11761.6672.75
others0.41004.3294.627
total21.11296.54117.72
URskidder0.31002.7353.132
forwarder0.3100..0.3100
mobile tower yarder1.3491.7433.031
cable crane0.7703.7294.326
helicopter1.3495.6216.919
others..0.41000.4100
total4.02714.01218.09
VDskidder3.43337.9841.38
forwarder0.410035.6936.09
mobile tower yarder0.8719.91910.618
cable crane0.8713.0353.831
helicopter1.1586.0247.222
others......
total6.52492.4398.92
VSskidder9.31919.21228.510
forwarder0.31004.1284.527
mobile tower yarder7.22115.81423.011
cable crane0.31008.6198.919
helicopter9.31934.3943.67
others..0.7710.771
total26.41082.74109.13
ZGskidder0.41003.0283.425
forwarder..0.41000.4100
mobile tower yarder..1.7441.744
cable crane..0.41000.4100
helicopter......
others......
total0.41005.696.06
ZHskidder..29.6829.68
forwarder..15.51315.513
mobile tower yarder..5.3255.325
cable crane0.41000.41000.770
helicopter......
others......
total0.410050.8251.12
Switzerlandskidder45.19409.42454.42
forwarder8.820172.44181.34
mobile tower yarder21.912136.65158.54
cable crane16.515117.75134.25
helicopter32.110189.34221.43
others1.35011.01812.417
total125.751036.411162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164509/150891

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %±
inside perimeterskidder55.86.975.010.857.17.629.63.415.54.336.12.5
forwarder25.06.012.58.39.54.52.81.31.41.47.11.4
mobile tower yarder7.73.76.36.14.83.326.13.314.14.117.52.0
cable crane3.82.7..16.75.812.52.521.24.912.91.8
helicopter1.91.96.36.111.95.029.03.446.55.925.32.3
others5.83.2......1.41.41.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder59.82.258.02.045.22.122.91.48.51.539.70.9
forwarder31.72.137.61.95.41.04.40.72.60.916.40.6
mobile tower yarder5.21.02.80.721.71.720.71.411.11.713.20.6
cable crane1.00.40.80.414.41.522.41.413.81.911.40.6
helicopter0.60.30.20.212.61.429.21.560.52.718.30.6
others1.60.60.60.30.70.40.30.23.51.01.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder59.52.158.41.946.12.024.01.39.71.539.30.8
forwarder31.12.037.01.95.70.94.10.62.40.815.40.6
mobile tower yarder5.51.02.90.720.51.721.61.311.61.613.70.6
cable crane1.30.50.80.314.51.420.81.215.11.811.60.5
helicopter0.70.40.30.212.51.429.21.458.02.419.10.6
others2.00.60.60.30.70.30.30.23.10.91.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164510/150892

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder10.6184.2298.72018.0143.93045.39
forwarder4.7270.7711.4501.7450.41009.020
mobile tower yarder1.5500.41000.77115.9143.53122.012
cable crane0.771..2.5387.6215.32516.215
helicopter0.41000.41001.84517.61411.71731.810
others1.158......0.41001.450
total19.0135.62515.11560.8725.211125.85
outside perimeterskidder108.84129.7490.8570.1710.218409.62
forwarder57.7784.0510.81813.5163.233169.14
mobile tower yarder9.5196.32343.6863.3713.416136.25
cable crane1.8451.84528.81168.5716.614117.65
helicopter1.1580.410025.21189.4672.95189.04
others2.9351.4501.4501.1584.22911.018
total181.82223.51200.72305.92120.631032.51
totalskidder119.44133.9499.5588.1614.115454.92
forwarder62.4784.7512.31715.2153.531178.14
mobile tower yarder11.0186.72344.3879.2616.914158.14
cable crane2.6381.84531.41076.2622.012133.85
helicopter1.5500.77127.011107.0584.65220.83
others4.0301.4501.4501.1584.62812.517
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164511/150893

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder60.35.945.57.534.76.835.15.425.06.315.54.335.92.5
forwarder22.15.0..10.24.31.31.36.33.51.41.47.01.4
mobile tower yarder7.43.222.76.312.24.727.35.122.96.114.14.117.62.0
cable crane2.92.018.25.820.55.81.31.320.85.921.24.912.91.8
helicopter2.92.013.65.222.46.035.15.425.06.346.55.925.42.3
others4.42.5........1.41.41.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder58.81.537.62.138.42.723.22.722.22.28.51.539.60.9
forwarder35.01.43.80.83.71.05.01.47.11.42.60.916.40.6
mobile tower yarder3.90.626.11.915.62.019.12.520.12.111.11.713.20.6
cable crane0.90.318.21.719.32.210.42.026.92.413.81.911.40.6
helicopter0.40.214.01.521.72.341.53.223.62.360.52.718.30.6
others1.10.30.20.21.30.60.80.6..3.51.01.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder58.91.438.22.038.02.526.12.522.52.19.71.539.20.8
forwarder34.31.43.50.84.51.14.11.17.01.32.40.815.40.6
mobile tower yarder4.10.625.81.815.21.921.12.320.52.011.61.613.70.6
cable crane1.00.318.21.619.52.08.21.526.22.215.11.811.60.5
helicopter0.50.214.01.521.82.139.92.823.82.158.02.419.00.6
others1.20.30.20.21.10.50.60.4..3.10.91.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164512/150894

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder14.7157.2225.9249.3194.2283.93045.19
forwarder5.426..1.7440.31001.1580.41008.820
mobile tower yarder1.8453.6312.1417.2213.9303.53122.112
cable crane0.7712.9353.5310.31003.5315.32516.215
helicopter0.7712.2413.8309.3194.22811.71731.810
others1.158........0.41001.450
total24.31215.91516.91326.41016.91425.211125.55
outside perimeterskidder238.6370.7643.3819.21227.51010.218409.52
forwarder142.047.2224.1284.1288.8193.233169.54
mobile tower yarder15.71549.0817.61315.81424.91113.416136.55
cable crane3.63234.31021.8128.61933.3916.614118.15
helicopter1.45026.31124.51134.3929.21072.95188.74
others4.3290.41001.4500.771..4.22911.018
total405.71187.92112.7382.74123.83120.631033.31
totalskidder253.3377.9649.2728.51031.71014.115454.62
forwarder147.447.2225.9244.5279.8183.531178.34
mobile tower yarder17.51452.7719.71223.01128.81016.914158.64
cable crane4.32937.1925.2118.91936.9922.012134.45
helicopter2.24128.51128.31043.6733.5984.65220.63
others5.4260.41001.4500.771..4.62812.417
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164513/150895

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionmain type of harvest %± %± %±
Western Juraskidder64.37.465.52.465.42.3
forwarder14.35.425.72.224.62.1
mobile tower yarder7.14.05.41.25.61.1
cable crane4.83.31.30.61.60.6
helicopter2.42.40.80.50.90.5
others7.14.01.30.61.90.7
total100.0.100.0.100.0.
Eastern Juraskidder20.012.740.14.638.44.4
forwarder70.014.552.74.754.24.5
mobile tower yarder10.09.54.52.04.92.0
cable crane......
helicopter......
others..2.71.52.51.4
total100.0.100.0.100.0.
Western Plateauskidder100.0.50.04.750.94.6
forwarder..49.14.748.34.6
mobile tower yarder..0.90.90.90.9
cable crane......
helicopter......
others......
total100.0.100.0.100.0.
Central Plateauskidder66.715.761.33.461.63.3
forwarder22.213.935.43.334.83.2
mobile tower yarder11.110.51.40.81.80.9
cable crane..1.90.91.80.9
helicopter......
others......
total100.0.100.0.100.0.
Eastern Plateauskidder80.017.958.82.859.12.8
forwarder..34.72.734.22.7
mobile tower yarder..4.51.24.51.2
cable crane..0.30.30.30.3
helicopter20.017.90.30.30.60.5
others..1.30.61.30.6
total100.0.100.0.100.0.
Western Pre-Alpsskidder50.015.937.84.638.84.4
forwarder..5.42.25.02.0
mobile tower yarder10.09.532.44.530.64.2
cable crane20.012.713.53.314.13.2
helicopter20.012.79.92.910.82.8
others..0.90.90.80.8
total100.0.100.0.100.0.
Central Pre-Alpsskidder60.015.545.83.146.33.0
forwarder..4.61.34.41.2
mobile tower yarder10.09.521.02.520.62.5
cable crane20.012.717.92.418.02.3
helicopter10.09.510.71.910.71.9
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsskidder59.110.548.93.750.03.5
forwarder18.28.26.51.87.81.9
mobile tower yarder..16.32.714.62.5
cable crane13.67.39.82.210.22.1
helicopter9.16.116.82.816.02.6
others..1.60.91.50.8
total100.0.100.0.100.0.
Northwestern Alpsskidder37.69.923.03.525.03.3
forwarder..1.31.01.20.8
mobile tower yarder33.39.630.43.830.83.5
cable crane16.67.622.33.421.53.1
helicopter12.56.823.03.521.53.1
others......
total100.0.100.0.100.0.
Central Alpsskidder7.16.918.94.916.84.3
forwarder7.16.9..1.31.3
mobile tower yarder42.913.318.64.922.94.8
cable crane14.39.421.85.220.54.6
helicopter28.612.139.06.137.25.5
others..1.71.71.41.4
total100.0.100.0.100.0.
Northeastern Alpsskidder23.111.728.95.228.14.8
forwarder......
mobile tower yarder..11.83.710.13.2
cable crane38.513.540.85.740.55.2
helicopter38.413.518.44.521.44.4
others......
total100.0.100.0.100.0.
Southwestern Alpsskidder35.15.423.22.726.12.5
forwarder1.31.35.01.44.11.1
mobile tower yarder27.35.119.12.521.12.3
cable crane1.31.310.42.08.21.5
helicopter35.15.441.53.239.92.8
others..0.80.60.60.4
total100.0.100.0.100.0.
Southeastern Alpsskidder25.06.322.22.222.52.1
forwarder6.33.57.11.47.01.3
mobile tower yarder22.96.120.12.120.52.0
cable crane20.85.926.92.426.22.2
helicopter25.06.323.62.323.82.1
others......
total100.0.100.0.100.0.
Southern Alpsskidder15.54.38.51.59.71.5
forwarder1.41.42.60.92.40.8
mobile tower yarder14.14.111.11.711.61.6
cable crane21.24.913.81.915.11.8
helicopter46.55.960.52.758.02.4
others1.41.43.51.03.10.9
total100.0.100.0.100.0.
Switzerlandskidder35.92.539.50.939.10.8
forwarder7.21.416.50.615.50.6
mobile tower yarder17.52.013.20.613.70.6
cable crane13.01.811.40.611.60.5
helicopter25.32.318.20.619.00.6
others1.10.61.10.21.10.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164514/150896

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · main type of harvest · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionmain type of harvest1000 ha± %1000 ha± %1000 ha± %
Western Juraskidder9.61990.34100.04
forwarder2.14135.4937.59
mobile tower yarder1.1587.5218.620
cable crane0.7711.8452.538
helicopter0.41001.1581.450
others1.1581.8452.935
total15.015137.92152.82
Eastern Juraskidder0.87017.71218.512
forwarder2.83723.3926.18
mobile tower yarder0.41002.0442.440
cable crane......
helicopter......
others..1.2571.257
total4.03044.2348.22
Western Plateauskidder0.87023.81024.610
forwarder..23.41023.410
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others......
total0.87047.6448.43
Central Plateauskidder1.94040.4642.36
forwarder0.67123.31023.99
mobile tower yarder0.31000.9571.250
cable crane..1.2501.250
helicopter......
others......
total2.83365.9368.72
Eastern Plateauskidder1.45064.7566.15
forwarder..38.2838.28
mobile tower yarder..5.0265.026
cable crane..0.41000.4100
helicopter0.41000.41000.771
others..1.4501.450
total1.844110.12111.92
Western Pre-Alpsskidder1.94415.51317.412
forwarder..2.2402.240
mobile tower yarder0.410013.31413.714
cable crane0.7705.6246.323
helicopter0.7704.1294.826
others..0.41000.4100
total3.73041.0544.84
Central Pre-Alpsskidder2.24043.0745.27
forwarder..4.3284.328
mobile tower yarder0.410019.71220.112
cable crane0.77116.91417.613
helicopter0.410010.01810.418
others......
total3.63193.9397.52
Eastern Pre-Alpsskidder4.62732.1836.88
forwarder1.4504.3285.724
mobile tower yarder..10.71710.717
cable crane1.1576.4237.521
helicopter0.77111.11711.816
others..1.1581.158
total7.92065.7473.63
Northwestern Alpsskidder3.23312.21615.414
forwarder..0.7710.771
mobile tower yarder2.93516.11318.912
cable crane1.45011.81613.215
helicopter1.15712.21613.215
others......
total8.61952.9561.54
Central Alpsskidder0.31004.2284.527
forwarder0.3100..0.3100
mobile tower yarder2.1404.1276.222
cable crane0.7704.8255.523
helicopter1.4498.61810.016
others..0.41000.4100
total4.82522.2927.07
Northeastern Alpsskidder1.1577.9199.018
forwarder......
mobile tower yarder..3.2323.232
cable crane1.84411.11612.914
helicopter1.8445.0256.821
others......
total4.72627.2731.96
Southwestern Alpsskidder9.31919.21228.510
forwarder0.31004.1284.527
mobile tower yarder7.22115.81423.011
cable crane0.31008.6198.919
helicopter9.31934.3943.67
others..0.7710.771
total26.41082.74109.13
Southeastern Alpsskidder4.22827.51031.710
forwarder1.1588.8199.818
mobile tower yarder3.93024.91128.810
cable crane3.53133.3936.99
helicopter4.22829.21033.59
others......
total16.914123.83140.62
Southern Alpsskidder3.93010.21814.115
forwarder0.41003.2333.531
mobile tower yarder3.53113.41616.914
cable crane5.32516.61422.012
helicopter11.71772.9584.65
others0.41004.2294.628
total25.211120.63145.72
Switzerlandskidder45.29408.82454.02
forwarder9.120171.34180.34
mobile tower yarder22.012137.15159.24
cable crane16.315118.55134.85
helicopter31.910188.94220.83
others1.45011.11812.517
total126.051035.711161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164515/150897

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago48.26.763.211.136.74.930.45.523.86.617.94.533.42.5
11-20 years ago17.95.115.88.422.44.213.04.123.86.611.03.717.42.0
21-30 years ago14.34.7..13.33.48.73.416.75.811.03.711.81.7
31-40 years ago3.62.55.35.110.23.12.92.014.35.45.52.77.01.4
41-50 years ago1.81.85.35.15.12.27.23.14.83.35.52.75.01.2
over 50 years ago14.34.710.57.012.23.337.75.816.75.849.35.825.42.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago52.52.376.41.635.61.619.02.722.72.58.61.542.60.8
11-20 years ago24.92.014.31.322.71.414.82.418.22.36.61.318.10.7
21-30 years ago8.51.35.10.812.21.18.31.915.62.19.21.59.50.5
31-40 years ago6.41.11.80.57.80.97.41.810.81.88.51.56.50.5
41-50 years ago3.70.91.00.46.90.99.32.05.91.46.81.45.00.4
over 50 years ago3.90.91.40.414.81.241.23.426.82.660.22.618.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago52.02.276.11.635.71.521.82.422.92.310.21.541.60.8
11-20 years ago24.21.814.31.322.61.314.42.118.92.27.41.318.00.7
21-30 years ago9.11.25.00.812.31.18.41.615.72.09.51.49.80.5
31-40 years ago6.11.01.90.58.00.96.31.411.31.78.01.36.50.4
41-50 years ago3.50.81.10.46.70.88.81.75.81.36.61.25.00.4
over 50 years ago5.00.91.70.514.61.140.32.925.52.458.32.419.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164516/150898

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago9.7194.22912.8167.2213.5314.62742.19
11-20 years ago3.6311.1587.8213.1333.5312.83521.913
21-30 years ago2.935..4.6282.1412.5372.83514.915
31-40 years ago0.7710.41003.5310.7712.1411.4508.820
41-50 years ago0.41000.41001.8451.7440.7711.4506.324
over 50 years ago2.9350.7714.3298.9192.53712.81632.010
total20.2136.72334.81023.61114.81526.011126.15
outside perimeterless than 10 years ago91.15191.32110.4514.01523.01110.718440.62
11-20 years ago43.2835.7970.3611.01718.4138.220186.84
21-30 years ago14.81512.71637.896.22315.81411.41798.66
31-40 years ago11.2184.62824.2125.52410.91710.61866.97
41-50 years ago6.5232.53821.4136.9226.0248.52051.78
over 50 years ago6.8233.53146.0830.5927.01074.75188.64
total173.72250.41310.1274.04101.13124.031033.31
totalless than 10 years ago100.94195.62123.2421.21226.51015.315482.72
11-20 years ago46.8836.8978.1614.01521.91211.117208.84
21-30 years ago17.71412.71642.498.22018.21314.215113.55
31-40 years ago11.9175.02727.7116.22313.01612.01775.87
41-50 years ago6.9232.83523.2128.6196.7229.91858.18
over 50 years ago9.7194.22950.3839.4829.51087.55220.63
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164517/150899

NFI4b

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGless than 10 years ago33.327.384.03.282.83.3
11-20 years ago..11.83.011.52.9
21-30 years ago..1.71.21.61.2
31-40 years ago......
41-50 years ago33.327.31.71.22.51.4
over 50 years ago33.327.30.80.81.61.2
total100.0.100.0.100.0.
AIless than 10 years ago..19.710.518.59.9
11-20 years ago100.0.39.412.943.212.6
21-30 years ago..6.66.56.26.1
31-40 years ago..6.66.56.26.1
41-50 years ago..13.18.912.38.4
over 50 years ago..14.69.513.78.9
total100.0.100.0.100.0.
ARless than 10 years ago50.020.826.310.332.09.5
11-20 years ago16.715.542.111.536.09.8
21-30 years ago16.715.521.19.520.08.1
31-40 years ago16.715.55.35.28.05.5
41-50 years ago......
over 50 years ago..5.35.24.04.0
total100.0.100.0.100.0.
BEless than 10 years ago52.06.952.32.452.32.2
11-20 years ago15.45.018.81.918.41.7
21-30 years ago13.44.710.61.510.91.4
31-40 years ago5.83.25.41.15.41.0
41-50 years ago1.91.94.51.04.20.9
over 50 years ago11.54.48.31.38.71.3
total100.0.100.0.100.0.
BL/BSless than 10 years ago66.719.449.17.551.27.0
11-20 years ago..35.77.231.56.5
21-30 years ago16.715.36.73.87.93.8
31-40 years ago..4.53.13.92.8
41-50 years ago..1.81.81.61.6
over 50 years ago16.715.32.22.23.92.8
total100.0.100.0.100.0.
FRless than 10 years ago50.025.156.44.756.24.7
11-20 years ago..20.03.819.33.7
21-30 years ago25.021.73.61.84.31.9
31-40 years ago..8.22.67.92.5
41-50 years ago..4.62.04.41.9
over 50 years ago25.021.77.32.57.92.5
total100.0.100.0.100.0.
GEless than 10 years ago..59.119.559.119.5
11-20 years ago......
21-30 years ago..40.919.640.919.6
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..100.0.100.0.
GLless than 10 years ago..35.27.928.96.8
11-20 years ago50.017.816.36.122.36.3
21-30 years ago12.511.821.76.820.06.0
31-40 years ago12.511.85.43.86.73.8
41-50 years ago..8.14.56.73.8
over 50 years ago25.015.413.35.615.45.4
total100.0.100.0.100.0.
GRless than 10 years ago23.45.520.32.020.71.8
11-20 years ago20.05.217.31.817.61.7
21-30 years ago16.74.815.11.715.31.6
31-40 years ago15.04.610.61.511.11.4
41-50 years ago6.73.26.11.26.21.1
over 50 years ago18.35.030.62.229.12.1
total100.0.100.0.100.0.
JUless than 10 years ago..59.85.456.45.3
11-20 years ago40.022.020.84.521.94.4
21-30 years ago40.022.06.12.78.12.9
31-40 years ago..7.32.96.92.7
41-50 years ago..3.52.03.31.9
over 50 years ago20.018.02.41.73.52.0
total100.0.100.0.100.0.
LUless than 10 years ago..58.64.458.14.4
11-20 years ago100.0.25.43.926.03.9
21-30 years ago..6.52.26.42.2
31-40 years ago..6.32.26.32.2
41-50 years ago..2.41.42.41.3
over 50 years ago..0.80.80.80.8
total100.0.100.0.100.0.
NEless than 10 years ago90.09.473.15.075.14.6
11-20 years ago..14.14.012.53.5
21-30 years ago10.09.53.22.23.92.2
31-40 years ago..5.42.74.82.4
41-50 years ago..1.61.61.41.4
over 50 years ago..2.61.82.31.6
total100.0.100.0.100.0.
NWless than 10 years ago..26.310.325.09.9
11-20 years ago100.0.36.811.340.011.2
21-30 years ago..10.57.210.06.9
31-40 years ago......
41-50 years ago......
over 50 years ago..26.310.325.09.9
total100.0.100.0.100.0.
OWless than 10 years ago50.025.240.57.241.27.0
11-20 years ago..19.25.817.75.4
21-30 years ago..6.23.55.73.2
31-40 years ago..2.12.12.02.0
41-50 years ago..10.74.59.84.2
over 50 years ago50.025.221.36.023.66.0
total100.0.100.0.100.0.
SGless than 10 years ago47.112.140.64.341.34.0
11-20 years ago29.411.122.63.623.33.5
21-30 years ago5.85.610.52.710.02.5
31-40 years ago11.87.87.52.38.02.2
41-50 years ago..3.01.52.71.3
over 50 years ago5.95.715.83.214.72.9
total100.0.100.0.100.0.
SHless than 10 years ago50.035.852.98.652.88.4
11-20 years ago50.035.832.48.133.37.9
21-30 years ago..11.85.611.15.3
31-40 years ago......
41-50 years ago......
over 50 years ago..2.92.92.82.8
total100.0.100.0.100.0.
SOless than 10 years ago33.327.455.65.654.85.5
11-20 years ago..27.25.026.24.8
21-30 years ago..2.51.72.41.7
31-40 years ago..6.22.76.02.6
41-50 years ago..2.51.72.41.7
over 50 years ago66.727.46.22.78.33.0
total100.0.100.0.100.0.
SZless than 10 years ago..43.85.841.05.6
11-20 years ago60.022.017.84.520.54.6
21-30 years ago20.018.05.52.76.42.8
31-40 years ago..6.83.06.42.8
41-50 years ago20.018.06.83.07.73.0
over 50 years ago..19.24.618.04.4
total100.0.100.0.100.0.
TGless than 10 years ago50.035.673.65.373.05.2
11-20 years ago50.035.611.53.912.64.0
21-30 years ago..13.04.112.64.0
31-40 years ago..1.81.81.81.8
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
TIless than 10 years ago18.65.17.81.69.71.6
11-20 years ago11.94.26.71.57.61.5
21-30 years ago8.53.68.51.78.51.5
31-40 years ago3.42.48.81.77.91.5
41-50 years ago3.42.47.71.67.01.4
over 50 years ago54.26.560.43.059.32.7
total100.0.100.0.100.0.
URless than 10 years ago58.314.326.26.833.26.5
11-20 years ago8.38.011.75.011.04.3
21-30 years ago..16.85.813.14.6
31-40 years ago25.012.69.44.512.84.6
41-50 years ago8.38.07.44.17.63.7
over 50 years ago..28.57.022.35.7
total100.0.100.0.100.0.
VDless than 10 years ago11.87.846.33.244.13.1
11-20 years ago23.510.322.52.722.62.6
21-30 years ago23.510.311.92.112.72.1
31-40 years ago5.95.75.81.55.81.4
41-50 years ago11.87.86.61.66.91.6
over 50 years ago23.510.36.91.68.01.7
total100.0.100.0.100.0.
VSless than 10 years ago31.25.319.52.622.32.3
11-20 years ago13.03.814.92.314.52.0
21-30 years ago9.13.38.71.88.81.6
31-40 years ago3.92.27.51.76.61.4
41-50 years ago7.83.110.01.99.51.6
over 50 years ago35.15.439.43.238.32.7
total100.0.100.0.100.0.
ZGless than 10 years ago100.0.92.37.792.97.1
11-20 years ago......
21-30 years ago..7.77.77.17.1
31-40 years ago......
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
ZHless than 10 years ago100.0.73.63.773.83.7
11-20 years ago..16.73.116.53.1
21-30 years ago..5.61.95.51.9
31-40 years ago..3.51.53.41.5
41-50 years ago......
over 50 years ago..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandless than 10 years ago33.02.542.80.841.70.8
11-20 years ago17.42.018.10.718.00.7
21-30 years ago11.91.79.50.59.80.5
31-40 years ago6.91.36.40.56.50.4
41-50 years ago5.11.25.00.45.00.4
over 50 years ago25.72.318.20.719.00.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164518/150900
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