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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes) %± %± %±
Western Jura< 1%..2.60.82.60.8
1-4%..8.01.37.91.3
5-9%49.817.714.11.714.81.7
10-25%37.817.224.92.125.22.1
26-50%..19.01.918.71.9
51-75%12.411.716.51.816.41.8
76-100%..14.81.714.51.7
total100.0.100.0.100.0.
Eastern Jura< 1%..4.11.84.11.8
1-4%..8.32.58.22.5
5-9%..5.02.04.92.0
10-25%100.0.18.13.518.83.5
26-50%..24.83.924.63.9
51-75%..14.93.214.83.2
76-100%..24.83.924.63.9
total100.0.100.0.100.0.
Western Plateau< 1%..1.71.21.71.2
1-4%..10.92.910.92.9
5-9%..12.73.112.73.1
10-25%..29.34.229.34.2
26-50%..22.83.922.83.9
51-75%..10.02.810.02.8
76-100%..12.63.012.63.0
total..100.0.100.0.
Central Plateau< 1%..3.61.33.61.2
1-4%..7.71.87.61.8
5-9%..10.42.010.32.0
10-25%..22.32.822.22.8
26-50%..21.32.821.22.8
51-75%100.0.16.72.517.12.5
76-100%..18.12.618.02.6
total100.0.100.0.100.0.
Eastern Plateau< 1%..3.81.13.81.1
1-4%..4.11.14.11.1
5-9%..6.01.36.01.3
10-25%..19.22.219.22.2
26-50%..20.82.320.82.3
51-75%..22.72.422.72.4
76-100%..23.32.423.32.4
total..100.0.100.0.
Western Pre-Alps< 1%..5.82.15.72.1
1-4%..13.23.113.03.1
5-9%..12.33.012.23.0
10-25%..35.94.335.74.3
26-50%100.0.15.63.316.33.3
51-75%..13.93.113.83.1
76-100%..3.31.63.31.6
total100.0.100.0.100.0.
Central Pre-Alps< 1%..1.80.81.80.8
1-4%..11.21.911.01.9
5-9%25.021.716.22.216.42.2
10-25%..37.22.936.72.9
26-50%25.021.718.42.318.52.3
51-75%50.025.08.71.79.31.7
76-100%..6.51.56.41.5
total100.0.100.0.100.0.
Eastern Pre-Alps< 1%..9.62.09.52.0
1-4%..16.32.616.12.5
5-9%..13.02.312.82.3
10-25%33.327.327.43.127.53.1
26-50%33.327.320.72.820.82.8
51-75%..6.71.76.61.7
76-100%33.327.36.21.76.61.7
total100.0.100.0.100.0.
Northwestern Alps< 1%..3.11.42.81.3
1-4%7.77.416.62.915.92.8
5-9%23.111.716.52.917.02.8
10-25%46.213.933.83.734.73.6
26-50%..18.43.017.02.8
51-75%7.77.48.02.18.02.0
76-100%15.410.03.71.54.61.6
total100.0.100.0.100.0.
Central Alps< 1%25.012.6..3.52.0
1-4%..9.63.58.33.0
5-9%8.38.018.14.616.74.1
10-25%41.714.331.75.533.15.1
26-50%16.710.828.15.326.44.8
51-75%8.38.09.63.59.43.2
76-100%..2.92.02.51.7
total100.0.100.0.100.0.
Northeastern Alps< 1%20.012.79.33.110.43.1
1-4%10.09.512.83.612.53.4
5-9%10.09.518.64.217.73.9
10-25%40.015.531.45.032.34.8
26-50%10.09.512.83.612.53.4
51-75%10.09.58.13.08.32.8
76-100%..7.02.86.22.5
total100.0.100.0.100.0.
Southwestern Alps< 1%..6.21.45.71.3
1-4%12.56.721.72.321.02.2
5-9%41.810.120.42.321.92.3
10-25%16.67.630.42.629.42.5
26-50%20.88.315.22.015.62.0
51-75%8.35.64.81.25.11.2
76-100%..1.30.61.20.6
total100.0.100.0.100.0.
Southeastern Alps< 1%9.18.78.71.48.81.4
1-4%27.213.421.62.021.72.0
5-9%9.18.717.01.816.81.8
10-25%36.614.630.22.330.42.2
26-50%18.111.614.31.714.41.7
51-75%..6.01.25.91.1
76-100%..2.20.72.10.7
total100.0.100.0.100.0.
Southern Alps< 1%..7.51.36.91.2
1-4%24.37.521.72.121.92.0
5-9%21.27.124.52.124.22.1
10-25%33.38.225.62.226.12.1
26-50%18.26.714.41.714.71.7
51-75%..4.41.04.10.9
76-100%3.03.02.00.72.00.7
total100.0.100.0.100.0.
Switzerland< 1%4.92.05.20.45.10.4
1-4%13.23.114.00.614.00.6
5-9%23.13.815.20.615.50.6
10-25%32.44.327.80.827.90.8
26-50%15.73.318.10.718.10.7
51-75%7.32.410.70.510.60.5
76-100%3.31.69.00.58.80.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162121/148500

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%..4.0304.030
1-4%..12.21712.217
5-9%1.45021.41222.912
10-25%1.15837.9938.98
26-50%..28.91028.910
51-75%0.410025.01125.411
76-100%..22.51222.512
total2.935151.82154.72
Eastern Jura< 1%..2.0442.044
1-4%..4.0304.030
5-9%..2.4402.440
10-25%0.41008.6209.019
26-50%..11.91611.916
51-75%..7.1227.122
76-100%..11.91611.916
total0.410047.8248.22
Western Plateau< 1%..0.8700.870
1-4%..5.3275.327
5-9%..6.2246.224
10-25%..14.31514.315
26-50%..11.11711.117
51-75%..4.9284.928
76-100%..6.1256.125
total..48.7348.73
Central Plateau< 1%..2.5352.535
1-4%..5.3235.323
5-9%..7.1207.120
10-25%..15.31315.313
26-50%..14.61314.613
51-75%0.310011.51511.815
76-100%..12.51512.515
total0.310068.8269.12
Eastern Plateau< 1%..4.3284.328
1-4%..4.7274.727
5-9%..6.8226.822
10-25%..21.81221.812
26-50%..23.61123.611
51-75%..25.71125.711
76-100%..26.51026.510
total..113.32113.32
Western Pre-Alps< 1%..2.6372.637
1-4%..5.9235.923
5-9%..5.5255.525
10-25%..16.21316.213
26-50%0.41007.0217.421
51-75%..6.3236.323
76-100%..1.5491.549
total0.410045.1445.54
Central Pre-Alps< 1%..1.8441.844
1-4%..11.11711.117
5-9%0.410016.11416.514
10-25%..36.9836.98
26-50%0.410018.31318.613
51-75%0.7718.6209.319
76-100%..6.5236.523
total1.45099.32100.82
Eastern Pre-Alps< 1%..7.1227.122
1-4%..12.11612.116
5-9%..9.6189.618
10-25%0.410020.41220.711
26-50%0.410015.31415.714
51-75%..5.0265.026
76-100%0.41004.6275.026
total1.15774.3375.33
Northwestern Alps< 1%..1.8441.844
1-4%0.41009.61810.018
5-9%1.1579.61810.717
10-25%2.14019.71221.811
26-50%..10.71710.717
51-75%0.41004.7275.026
76-100%0.7712.2402.935
total4.62758.3462.94
Central Alps< 1%1.057..1.057
1-4%..2.4372.437
5-9%0.31004.5274.926
10-25%1.7447.9199.716
26-50%0.7707.0217.720
51-75%0.31002.4372.734
76-100%..0.7710.771
total4.12725.0829.17
Northeastern Alps< 1%0.7702.9343.630
1-4%0.41003.9294.327
5-9%0.41005.7246.123
10-25%1.4499.71711.116
26-50%0.41003.9294.327
51-75%0.41002.5372.934
76-100%..2.1402.140
total3.63030.8634.45
Southwestern Alps< 1%..6.5226.522
1-4%1.05823.01124.011
5-9%3.43121.71225.111
10-25%1.45032.3933.79
26-50%1.74416.21417.913
51-75%0.7715.1255.824
76-100%..1.4501.450
total8.220106.23114.43
Southeastern Alps< 1%0.410012.71613.016
1-4%1.15831.31032.49
5-9%0.410024.61124.911
10-25%1.45043.8845.28
26-50%0.77120.71221.412
51-75%..8.7208.720
76-100%..3.2333.233
total3.930145.02148.92
Southern Alps< 1%..10.71810.718
1-4%2.83530.81033.79
5-9%2.53834.8937.39
10-25%3.93036.3940.28
26-50%2.14120.41222.512
51-75%..6.3236.323
76-100%0.41002.8353.133
total11.717142.13153.82
Switzerland< 1%2.14159.6861.77
1-4%5.625161.74167.34
5-9%9.819176.24186.04
10-25%13.816321.13335.03
26-50%6.723209.84216.54
51-75%3.133123.85127.05
76-100%1.450104.35105.75
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162122/148501

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration %± %± %± %± %± %± %±
inside perimeterless than 1%....11.95.04.44.310.09.5..5.82.1
1-4%11.110.5..11.95.020.88.320.012.629.57.819.03.6
5-9%44.416.6..16.75.829.19.310.09.526.47.623.13.8
10-25%33.415.7..31.07.124.98.850.115.829.47.830.64.2
26-50%..50.035.411.95.016.67.610.09.511.85.512.33.0
51-75%11.110.550.035.49.54.54.24.1....5.82.1
76-100%....7.14.0....2.92.93.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%4.50.96.00.98.00.97.31.613.61.911.51.68.00.5
1-4%10.91.39.71.116.51.223.52.623.72.321.72.016.00.6
5-9%14.81.510.71.115.71.221.02.516.32.023.42.115.90.6
10-25%25.81.925.91.633.61.529.42.830.02.525.72.228.90.8
26-50%19.11.721.11.516.31.215.42.211.71.711.91.616.80.7
51-75%13.81.515.11.36.60.82.20.94.11.14.01.08.80.5
76-100%11.21.411.41.23.20.61.10.60.60.41.70.65.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%4.40.96.00.98.20.97.11.513.51.810.61.57.90.5
1-4%10.91.39.71.116.31.223.32.523.62.322.32.016.10.6
5-9%15.31.510.71.115.81.121.62.416.12.023.72.016.20.6
10-25%25.91.925.91.633.51.529.02.630.62.526.02.128.90.8
26-50%18.71.721.21.516.11.215.52.111.71.711.91.516.60.6
51-75%13.81.515.21.36.70.82.40.94.01.03.70.98.60.5
76-100%11.01.311.41.23.40.61.00.60.60.41.80.65.70.4
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 #162123/148502

NFI4b

forest area: rockfall 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
rockfall 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%..6.8236.823
over 80%..37.0637.06
total..49.1249.12
AI0-20%......
21-40%......
41-60%..0.7710.771
61-80%..1.3451.345
over 80%..3.2223.222
total..5.2125.212
AR0-20%......
21-40%......
41-60%..0.31000.3100
61-80%..2.6302.630
over 80%..5.5165.516
total..8.468.46
BE0-20%..3.8303.830
21-40%0.41006.9227.222
41-60%0.310019.31319.613
61-80%1.74552.5754.27
over 80%3.43184.9588.35
total5.824167.32173.12
BL/BS0-20%..0.41000.4100
21-40%......
41-60%..0.8700.870
61-80%0.41001.2571.649
over 80%..17.9717.97
total0.410020.3520.75
FR0-20%......
21-40%..1.8441.844
41-60%..6.7226.722
61-80%..12.71512.715
over 80%..22.01022.010
total..43.3343.33
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%2.3398.41710.714
total2.73615.31018.07
GR0-20%..3.4323.432
21-40%..17.81417.814
41-60%2.53856.5758.97
61-80%1.74560.1661.86
over 80%3.13333.8936.99
total7.421171.62179.02
JU0-20%..0.41000.4100
21-40%......
41-60%..2.7372.737
61-80%0.41005.8246.223
over 80%0.87024.1724.97
total1.25733.0434.23
LU0-20%..0.9570.957
21-40%..0.31000.3100
41-60%..6.3216.321
61-80%..14.61314.613
over 80%..18.61018.610
total..40.7340.73
NE0-20%..0.41000.4100
21-40%......
41-60%..2.6342.634
61-80%..10.21610.216
over 80%..15.11015.110
total..28.2428.24
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%0.7707.4188.217
over 80%..7.5187.518
total0.77019.6620.45
SG0-20%..0.41000.4100
21-40%..2.9352.935
41-60%..8.7198.719
61-80%0.410013.41513.714
over 80%1.45030.0831.58
total1.84455.3457.14
SH0-20%......
21-40%......
41-60%..0.41000.4100
61-80%..3.2293.229
over 80%..9.3119.311
total..12.8312.83
SO0-20%..0.41000.4100
21-40%..0.41000.4100
41-60%..0.8700.870
61-80%..4.9264.926
over 80%0.87025.0725.76
total0.87031.4432.23
SZ0-20%......
21-40%..2.5372.537
41-60%..5.4245.424
61-80%..6.5226.522
over 80%1.44913.41314.811
total1.44927.9529.34
TG0-20%..0.6700.670
21-40%..0.31000.3100
41-60%..0.6700.670
61-80%..4.8224.822
over 80%..15.4915.49
total..21.7421.74
TI0-20%0.41001.4501.845
21-40%0.41006.8237.122
41-60%0.77113.91514.615
61-80%1.45031.71033.19
over 80%5.42561.5666.95
total8.220115.43123.62
UR0-20%0.3100..0.3100
21-40%0.31001.0581.450
41-60%..4.1274.127
61-80%1.0574.7255.722
over 80%1.3496.0217.318
total3.03115.71118.78
VD0-20%..1.5501.550
21-40%..4.5294.529
41-60%..12.41712.417
61-80%..28.01028.010
over 80%0.87153.1653.96
total0.87199.62100.32
VS0-20%..1.4501.450
21-40%0.7719.71810.418
41-60%2.43831.0933.49
61-80%3.43135.0938.48
over 80%1.74429.11030.89
total8.220106.23114.43
ZG0-20%..0.41000.4100
21-40%......
41-60%..0.9680.968
61-80%..1.2561.256
over 80%..3.9213.921
total..6.376.37
ZH0-20%......
21-40%..1.4491.449
41-60%..2.1402.140
61-80%..11.61611.616
over 80%..36.7636.76
total..51.8251.82
Switzerland0-20%0.77117.01417.714
21-40%1.84561.3763.17
41-60%6.323184.94191.24
61-80%11.218325.33336.53
over 80%22.912568.12590.92
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162124/148503

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
inside perimeter0-20%......1.41.43.03.01.61.2
21-40%11.010.4....4.42.53.03.04.21.8
41-60%......20.04.812.25.714.83.2
61-80%22.213.9..62.517.127.15.318.26.726.44.0
over 80%66.715.7100.0.37.517.147.16.063.68.452.94.5
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.60.51.20.41.10.41.70.41.50.61.50.2
21-40%1.50.52.00.54.10.810.10.95.51.15.30.4
41-60%7.11.15.90.915.21.528.01.415.71.816.00.6
61-80%23.41.821.81.632.11.932.71.528.82.328.30.8
over 80%66.32.069.11.847.52.027.41.448.62.548.90.8
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 #162125/148504

NFI4b

forest area: rockfall 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
rockfall 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%......0.31000.41000.771
21-40%0.4100....1.1580.41001.845
41-60%......4.9271.4506.323
61-80%0.771..1.8456.6232.14111.218
over 80%2.2410.41001.15811.4177.42122.512
total3.3330.41002.93524.21211.71742.49
outside perimeter0-20%3.3332.8352.5386.3232.24117.114
21-40%2.9354.6279.02036.897.82161.07
41-60%14.21613.71633.110101.5522.312184.94
61-80%46.7850.3870.36118.6540.98326.73
over 80%132.23159.63103.8499.1569.06563.62
total199.31231.01218.72362.32142.131153.31
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 #162126/148505

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%....4.03.9....3.03.01.61.2
21-40%10.19.6..4.03.98.65.8..3.03.04.21.8
41-60%..5.65.44.03.929.19.345.615.012.25.714.83.2
61-80%20.012.638.911.516.07.341.610.127.213.418.26.726.44.0
over 80%69.914.555.611.772.09.020.88.327.213.463.68.453.04.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.40.31.80.60.80.51.30.61.90.71.50.61.50.2
21-40%1.70.45.30.96.81.39.11.611.61.65.51.15.30.4
41-60%6.50.717.11.616.92.029.22.633.42.315.71.816.10.6
61-80%22.51.235.12.025.32.333.02.735.22.428.82.328.40.8
over 80%67.81.340.72.150.22.627.42.517.91.948.62.548.80.8
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 #162127/148506

NFI4b

forest area: rockfall 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
rockfall 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%....0.3100....0.41000.771
21-40%0.4100..0.31000.771..0.41001.845
41-60%..0.41000.31002.4381.8451.4506.323
61-80%0.7712.5381.4503.4311.1582.14111.218
over 80%2.5383.6316.2231.7441.1587.42122.512
total3.6326.5238.6198.2203.93011.71742.59
outside perimeter0-20%6.1243.6311.1581.4502.8352.24117.014
21-40%7.52210.8188.7209.71816.9147.82161.47
41-60%27.91134.6921.61231.0948.4722.312185.74
61-80%97.0571.0632.3935.0951.0740.98327.23
over 80%291.9282.6564.2629.11025.91169.06562.72
total430.41202.72127.83106.23145.02142.131154.11
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 #162128/148507

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..1.40.61.40.6
21-40%12.912.01.70.61.90.7
41-60%..8.01.37.91.3
61-80%12.411.726.42.126.12.1
over 80%74.615.562.52.362.72.3
total100.0.100.0.100.0.
Eastern Jura0-20%..2.51.42.51.4
21-40%..0.80.80.80.8
41-60%..4.11.84.11.8
61-80%100.0.13.23.114.03.2
over 80%..79.33.778.73.7
total100.0.100.0.100.0.
Western Plateau0-20%..2.51.52.51.5
21-40%..1.71.21.71.2
41-60%..10.92.910.92.9
61-80%..25.24.025.24.0
over 80%..59.74.559.74.5
total..100.0.100.0.
Central Plateau0-20%..1.40.81.30.8
21-40%..0.90.60.90.6
41-60%..5.91.65.81.6
61-80%..23.62.923.52.9
over 80%100.0.68.33.168.43.1
total100.0.100.0.100.0.
Eastern Plateau0-20%..0.60.40.60.4
21-40%..2.80.92.80.9
41-60%..4.11.14.11.1
61-80%..19.22.219.22.2
over 80%..73.22.573.22.5
total..100.0.100.0.
Western Pre-Alps0-20%..0.80.80.80.8
21-40%..8.12.58.12.5
41-60%..21.33.721.23.7
61-80%100.0.28.74.129.34.1
over 80%..41.04.540.74.4
total100.0.100.0.100.0.
Central Pre-Alps0-20%..1.40.71.40.7
21-40%..2.91.02.91.0
41-60%..14.82.114.62.1
61-80%75.021.738.62.939.12.9
over 80%25.021.742.23.042.02.9
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%..1.00.70.90.7
21-40%..3.41.33.31.2
41-60%..12.02.311.82.2
61-80%33.327.325.53.025.63.0
over 80%66.727.358.23.458.33.4
total100.0.100.0.100.0.
Northwestern Alps0-20%..3.11.42.81.3
21-40%..7.42.16.81.9
41-60%7.77.417.83.017.12.8
61-80%23.111.733.73.732.93.5
over 80%69.212.838.03.840.33.7
total100.0.100.0.100.0.
Central Alps0-20%8.38.0..1.21.2
21-40%8.38.010.13.69.83.3
41-60%..25.05.121.44.5
61-80%25.012.625.05.125.04.7
over 80%58.314.340.05.842.65.4
total100.0.100.0.100.0.
Northeastern Alps0-20%..1.21.21.01.0
21-40%..11.63.510.43.1
41-60%10.09.519.84.318.84.0
61-80%..25.64.722.94.3
over 80%90.09.441.85.346.85.1
total100.0.100.0.100.0.
Southwestern Alps0-20%..1.30.61.20.6
21-40%8.65.89.11.69.11.6
41-60%29.19.329.22.629.22.5
61-80%41.610.133.02.733.62.6
over 80%20.88.327.42.527.02.4
total100.0.100.0.100.0.
Southeastern Alps0-20%..1.90.71.90.6
21-40%..11.61.611.31.5
41-60%45.615.033.42.333.72.3
61-80%27.213.435.22.435.02.3
over 80%27.213.417.91.918.11.9
total100.0.100.0.100.0.
Southern Alps0-20%3.03.01.50.61.60.6
21-40%3.03.05.51.15.31.1
41-60%12.25.715.71.815.41.7
61-80%18.26.728.82.328.02.2
over 80%63.68.448.62.549.72.4
total100.0.100.0.100.0.
Switzerland0-20%1.61.11.50.21.50.2
21-40%4.21.85.30.45.30.4
41-60%14.83.216.10.616.00.6
61-80%26.44.028.30.828.30.8
over 80%53.04.548.80.849.00.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162129/148508

NFI4b

forest area: rockfall 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
rockfall 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%0.41002.5382.935
41-60%..12.21712.217
61-80%0.410040.1840.48
over 80%2.14194.9497.04
total2.935151.82154.72
Eastern Jura0-20%..1.2571.257
21-40%..0.41000.4100
41-60%..2.0442.044
61-80%0.41006.3236.723
over 80%..37.9537.95
total0.410047.8248.22
Western Plateau0-20%..1.2571.257
21-40%..0.8700.870
41-60%..5.3275.327
61-80%..12.31612.316
over 80%..29.1829.18
total..48.7348.73
Central Plateau0-20%..0.9570.957
21-40%..0.6710.671
41-60%..4.0274.027
61-80%..16.21216.212
over 80%0.310046.9547.25
total0.310068.8269.12
Eastern Plateau0-20%..0.7710.771
21-40%..3.2333.233
41-60%..4.7274.727
61-80%..21.81221.812
over 80%..82.9482.94
total..113.32113.32
Western Pre-Alps0-20%..0.41000.4100
21-40%..3.7313.731
41-60%..9.6189.618
61-80%0.410012.91513.314
over 80%..18.51118.511
total0.410045.1445.54
Central Pre-Alps0-20%..1.4501.450
21-40%..2.9352.935
41-60%..14.71514.715
61-80%1.15838.4839.48
over 80%0.410041.9742.37
total1.45099.32100.82
Eastern Pre-Alps0-20%..0.7710.771
21-40%..2.5372.537
41-60%..8.9198.919
61-80%0.410018.91219.312
over 80%0.77143.2643.96
total1.15774.3375.33
Northwestern Alps0-20%..1.8441.844
21-40%..4.3284.328
41-60%0.410010.41710.717
61-80%1.15719.71220.711
over 80%3.23322.21125.410
total4.62758.3462.94
Central Alps0-20%0.3100..0.3100
21-40%0.31002.5382.935
41-60%..6.2226.222
61-80%1.0576.2227.320
over 80%2.43710.01612.414
total4.12725.0829.17
Northeastern Alps0-20%..0.41000.4100
21-40%..3.6313.631
41-60%0.41006.1236.522
61-80%..7.9197.919
over 80%3.23212.91416.112
total3.63030.8634.45
Southwestern Alps0-20%..1.4501.450
21-40%0.7719.71810.418
41-60%2.43831.0933.49
61-80%3.43135.0938.48
over 80%1.74429.11030.89
total8.220106.23114.43
Southeastern Alps0-20%..2.8352.835
21-40%..16.91416.914
41-60%1.84548.4750.27
61-80%1.15851.0752.17
over 80%1.15825.91127.011
total3.930145.02148.92
Southern Alps0-20%0.41002.2412.538
21-40%0.41007.8218.121
41-60%1.45022.31223.712
61-80%2.14140.9843.08
over 80%7.42169.0676.45
total11.717142.13153.82
Switzerland0-20%0.77117.21417.914
21-40%1.84561.4763.27
41-60%6.323185.74192.04
61-80%11.318327.73338.93
over 80%22.612564.52587.12
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162130/148509

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track22.213.9100.0.7.14.020.88.320.012.65.94.013.13.1
road and skidding road33.315.7..7.14.08.35.6..2.92.97.52.4
road and cable line....52.47.720.88.310.09.520.77.028.94.1
road and flight path22.413.9..23.86.650.110.270.114.561.78.343.04.5
no access intended22.213.9..9.54.5....8.84.97.52.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track51.42.269.01.718.91.317.32.322.22.33.70.933.80.7
road and skidding road37.62.119.11.510.81.05.51.45.91.38.51.415.90.6
road and cable line5.81.03.80.742.41.633.12.946.42.727.52.225.40.7
road and flight path0.20.20.10.19.61.040.13.025.22.344.12.514.40.6
no access intended5.00.98.01.018.31.24.11.20.30.316.11.810.50.5
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 #162131/148510

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track0.7710.7711.1581.7440.7710.7715.625
road and skidding road1.158..1.1580.771..0.41003.233
road and cable line....7.8211.7440.41002.53812.417
road and flight path0.771..3.5314.1282.5387.52118.414
no access intended0.771..1.450....1.1583.233
total3.2330.77114.9158.2203.53112.11742.79
outside perimeterroad and skidding track99.15177.9365.1716.11426.5115.425390.12
road and skidding road72.4649.2837.395.1257.12212.416183.54
road and cable line11.2179.919146.2430.9955.4640.28293.83
road and flight path0.41000.410033.31037.4830.11064.46165.94
no access intended9.71920.51363.273.8300.410023.512121.15
total192.82257.91345.1293.33119.53145.931154.51
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 #162132/148511

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · concept of transportation system · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonconcept of transportation system %± %± %±
AGroad and skidding track..61.54.461.54.4
road and skidding road..32.04.232.04.2
road and cable line......
road and flight path......
no access intended..6.62.26.62.2
total..100.0.100.0.
AIroad and skidding track..55.512.655.512.6
road and skidding road..19.810.319.810.3
road and cable line..18.59.918.59.9
road and flight path..6.26.16.26.1
no access intended......
total..100.0.100.0.
ARroad and skidding track..61.29.661.29.6
road and skidding road..15.37.215.37.2
road and cable line..23.48.523.48.5
road and flight path......
no access intended......
total..100.0.100.0.
BEroad and skidding track17.69.237.52.236.82.1
road and skidding road11.77.821.11.820.81.8
road and cable line41.011.929.92.130.32.0
road and flight path23.810.41.20.52.00.6
no access intended5.95.710.31.410.11.3
total100.0.100.0.100.0.
BL/BSroad and skidding track100.0.56.27.057.16.9
road and skidding road..35.86.835.16.7
road and cable line..6.03.45.93.3
road and flight path......
no access intended..2.02.02.02.0
total100.0.100.0.100.0.
FRroad and skidding track..42.34.642.34.6
road and skidding road..13.73.213.73.2
road and cable line..26.74.126.74.1
road and flight path......
no access intended..17.23.517.23.5
total..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 line71.417.262.77.764.07.1
road and flight path14.313.310.14.810.74.6
no access intended14.313.327.27.125.36.4
total100.0.100.0.100.0.
GRroad and skidding track9.56.421.81.921.31.8
road and skidding road..4.91.04.70.9
road and cable line23.99.346.72.245.82.2
road and flight path57.110.824.31.925.71.9
no access intended9.56.42.20.72.50.7
total100.0.100.0.100.0.
JUroad and skidding track..45.95.444.35.3
road and skidding road66.727.348.25.548.95.4
road and cable line..1.21.21.11.1
road and flight path......
no access intended33.327.44.72.35.72.5
total100.0.100.0.100.0.
LUroad and skidding track..23.93.723.93.7
road and skidding road..10.02.610.02.6
road and cable line..10.92.810.92.8
road and flight path......
no access intended..55.24.455.24.4
total..100.0.100.0.
NEroad and skidding track..51.75.451.75.4
road and skidding road..42.65.342.65.3
road and cable line......
road and flight path......
no access intended..5.72.55.72.5
total..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 line100.0.31.610.935.010.9
road and flight path..15.88.515.08.2
no access intended..36.811.335.010.9
total100.0.100.0.100.0.
OWroad and skidding track..1.91.91.81.8
road and skidding road50.035.77.63.79.23.9
road and cable line..52.86.950.86.8
road and flight path50.035.717.15.218.35.3
no access intended..20.65.619.85.4
total100.0.100.0.100.0.
SGroad and skidding track40.022.037.23.937.33.9
road and skidding road..19.03.218.43.1
road and cable line20.017.926.13.625.93.5
road and flight path40.022.016.33.017.13.0
no access intended..1.30.91.30.9
total100.0.100.0.100.0.
SHroad and skidding track..83.36.083.36.0
road and skidding road..13.95.813.95.8
road and cable line..2.82.82.82.8
road and flight path......
no access intended......
total..100.0.100.0.
SOroad and skidding track..56.65.555.35.4
road and skidding road50.035.531.35.131.85.1
road and cable line..9.63.39.43.2
road and flight path......
no access intended50.035.52.41.73.52.0
total100.0.100.0.100.0.
SZroad and skidding track..3.92.23.72.1
road and skidding road..14.34.013.63.8
road and cable line75.021.735.05.537.05.4
road and flight path..3.92.23.72.1
no access intended25.021.842.95.742.05.5
total100.0.100.0.100.0.
TGroad and skidding track..83.14.583.14.5
road and skidding road..15.54.315.54.3
road and cable line..1.41.41.41.4
road and flight path......
no access intended......
total..100.0.100.0.
TIroad and skidding track8.75.92.20.82.60.9
road and skidding road4.34.39.91.79.51.6
road and cable line13.07.021.42.320.82.2
road and flight path69.69.649.12.850.52.7
no access intended4.34.317.52.116.62.0
total100.0.100.0.100.0.
URroad and skidding track11.110.513.25.012.84.5
road and skidding road..9.04.37.53.6
road and cable line44.416.738.07.139.06.6
road and flight path33.315.823.16.124.75.8
no access intended11.110.516.85.415.94.9
total100.0.100.0.100.0.
VDroad and skidding track..47.03.146.73.1
road and skidding road..19.82.519.72.4
road and cable line50.035.416.42.316.62.3
road and flight path50.035.46.11.56.41.5
no access intended..10.71.910.61.9
total100.0.100.0.100.0.
VSroad and skidding track20.88.317.82.218.02.1
road and skidding road8.35.66.81.46.91.4
road and cable line20.88.334.62.733.62.6
road and flight path50.110.237.22.838.22.7
no access intended..3.61.13.31.0
total100.0.100.0.100.0.
ZGroad and skidding track..52.713.352.713.3
road and skidding road..13.59.213.59.2
road and cable line..33.812.633.812.6
road and flight path......
no access intended......
total..100.0.100.0.
ZHroad and skidding track..74.83.674.83.6
road and skidding road..12.32.712.32.7
road and cable line..12.22.712.22.7
road and flight path......
no access intended..0.70.70.70.7
total..100.0.100.0.
Switzerlandroad and skidding track13.13.133.90.833.20.7
road and skidding road7.62.416.00.615.70.6
road and cable line28.94.125.40.725.50.7
road and flight path42.84.514.40.615.40.6
no access intended7.62.410.30.510.20.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162133/148512

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · concept of transportation system · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall 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 road..15.71315.713
road and cable line......
road and flight path......
no access intended..3.2343.234
total..49.1249.12
AIroad and skidding track..2.9242.924
road and skidding road..1.0571.057
road and cable line..1.0541.054
road and flight path..0.31000.3100
no access intended......
total..5.2125.212
ARroad and skidding track..5.1165.116
road and skidding road..1.3471.347
road and cable line..2.0382.038
road and flight path......
no access intended......
total..8.468.46
BEroad and skidding track1.05862.8663.86
road and skidding road0.77135.2935.99
road and cable line2.43850.0752.47
road and flight path1.4502.1413.431
no access intended0.310017.21417.513
total5.824167.32173.12
BL/BSroad and skidding track0.410011.41311.813
road and skidding road..7.3207.320
road and cable line..1.2571.257
road and flight path......
no access intended..0.41000.4100
total0.410020.3520.75
FRroad and skidding track..18.31118.311
road and skidding road..5.9245.924
road and cable line..11.61611.616
road and flight path......
no access intended..7.5217.521
total..43.3343.33
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 path0.41001.5491.943
no access intended0.41004.2284.627
total2.73615.31018.07
GRroad and skidding track0.77137.4938.19
road and skidding road..8.4208.420
road and cable line1.84580.2582.05
road and flight path4.22941.7845.98
no access intended0.7713.8304.528
total7.421171.62179.02
JUroad and skidding track..15.21215.212
road and skidding road0.87015.91216.711
road and cable line..0.41000.4100
road and flight path......
no access intended0.41001.6491.944
total1.25733.0434.23
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 intended..22.5922.59
total..40.7340.73
NEroad and skidding track..14.61114.611
road and skidding road..12.01312.013
road and cable line......
road and flight path......
no access intended..1.6441.644
total..28.2428.24
NWroad and skidding track..0.41000.4100
road and skidding road..0.8690.869
road and cable line0.41002.3362.732
road and flight path..1.2551.255
no access intended..2.7322.732
total0.41007.3107.78
OWroad and skidding track..0.41000.4100
road and skidding road0.41001.5491.943
road and cable line..10.41410.414
road and flight path0.41003.4313.729
no access intended..4.0284.028
total0.77019.6620.45
SGroad and skidding track0.77020.61121.311
road and skidding road..10.51710.517
road and cable line0.410014.51414.814
road and flight path0.7709.0199.818
no access intended..0.7700.770
total1.84455.3457.14
SHroad and skidding track..10.7810.78
road and skidding road..1.8421.842
road and cable line..0.41000.4100
road and flight path......
no access intended......
total..12.8312.83
SOroad and skidding track..17.81017.810
road and skidding road0.41009.81710.217
road and cable line..3.0343.034
road and flight path......
no access intended0.41000.8701.157
total0.87031.4432.23
SZroad and skidding track..1.1571.157
road and skidding road..4.0294.029
road and cable line1.1579.81610.915
road and flight path..1.1571.157
no access intended0.410012.01412.314
total1.44927.9529.34
TGroad and skidding track..18.0618.06
road and skidding road..3.4293.429
road and cable line..0.31000.3100
road and flight path......
no access intended......
total..21.7421.74
TIroad and skidding track0.7712.5373.233
road and skidding road0.410011.41711.817
road and cable line1.15824.71125.711
road and flight path5.72456.6662.46
no access intended0.410020.11320.512
total8.220115.43123.62
URroad and skidding track0.31002.1402.437
road and skidding road..1.4501.450
road and cable line1.3496.0217.318
road and flight path1.0573.6284.624
no access intended0.31002.6343.031
total3.03115.71118.78
VDroad and skidding track..46.8746.87
road and skidding road..19.71319.713
road and cable line0.410016.31416.714
road and flight path0.41006.0246.424
no access intended..10.61810.618
total0.87199.62100.32
VSroad and skidding track1.74418.91320.612
road and skidding road0.7717.2217.920
road and cable line1.74436.8838.58
road and flight path4.12939.5843.77
no access intended..3.8303.830
total8.220106.23114.43
ZGroad and skidding track..3.3273.327
road and skidding road..0.9680.968
road and cable line..2.1372.137
road and flight path......
no access intended......
total..6.376.37
ZHroad and skidding track..38.8538.85
road and skidding road..6.4226.422
road and cable line..6.3226.322
road and flight path......
no access intended..0.41000.4100
total..51.8251.82
Switzerlandroad and skidding track5.625392.12397.72
road and skidding road3.333185.64188.94
road and cable line12.417293.23305.63
road and flight path18.314166.14184.44
no access intended3.233119.65122.95
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162134/148513

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %±
inside perimeterroad and skidding track22.213.9100.0.25.015.312.84.06.14.213.23.1
road and skidding road33.415.7..25.015.34.32.43.03.07.62.4
road and cable line....25.015.338.55.818.36.728.74.1
road and flight path22.113.8..25.015.338.75.863.68.443.04.5
no access intended22.213.9....5.72.89.15.07.52.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track51.82.171.11.824.61.718.01.22.70.833.80.7
road and skidding road36.82.118.11.516.01.56.10.78.41.416.00.6
road and cable line5.10.93.70.732.91.944.71.527.72.225.30.7
road and flight path0.20.20.20.26.31.024.21.344.72.514.40.6
no access intended6.01.07.01.020.31.66.90.816.51.810.50.5
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 #162135/148514

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track0.7710.41000.7713.1330.7715.625
road and skidding road1.158..0.7711.0580.41003.233
road and cable line....0.7719.3192.14112.217
road and flight path0.771..0.7719.4197.42118.314
no access intended0.771....1.4501.1583.233
total3.3330.41002.93524.21211.71742.49
outside perimeterroad and skidding track103.34164.2353.7765.373.930390.32
road and skidding road73.4641.8834.9922.21212.017184.44
road and cable line10.2188.42072.16161.8439.38291.83
road and flight path0.41000.410013.71687.8663.46165.74
no access intended12.01716.21444.3825.11223.412121.15
total199.31231.01218.72362.32142.131153.31
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 #162136/148515

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track30.014.55.65.412.06.520.88.318.111.66.14.213.23.1
road and skidding road30.014.516.78.8..8.35.6..3.03.07.52.4
road and cable line..50.011.852.010.020.88.318.111.618.36.728.94.1
road and flight path20.112.722.29.824.08.550.110.263.814.563.68.443.04.5
no access intended20.012.65.65.412.06.5....9.15.07.52.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track62.31.416.01.524.32.317.82.225.02.12.70.833.90.7
road and skidding road26.61.312.61.412.81.76.81.45.41.18.41.415.90.6
road and cable line4.30.642.72.135.82.534.62.745.52.527.72.225.40.7
road and flight path0.20.15.91.012.01.737.22.823.92.144.72.514.30.6
no access intended6.60.722.81.815.11.93.61.10.20.216.51.810.50.5
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 #162137/148516

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track1.1580.41001.0581.7440.7710.7715.625
road and skidding road1.1581.158..0.771..0.41003.233
road and cable line..3.2334.5271.7440.7712.14112.317
road and flight path0.7711.4502.1414.1292.5387.42118.314
no access intended0.7710.41001.058....1.1583.233
total3.6326.5238.6198.2203.93011.71742.59
outside perimeterroad and skidding track268.3232.51031.11018.91336.393.930390.92
road and skidding road114.5525.61116.3147.2217.82112.017183.44
road and cable line18.61486.6545.8736.8866.0639.38293.03
road and flight path0.77111.91715.31539.5834.6963.46165.54
no access intended28.31146.2819.4133.8300.410023.412121.45
total430.41202.72127.83106.23145.02142.131154.11
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 #162138/148517

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · concept of transportation system · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system %± %± %±
Western Juraroad and skidding track12.411.749.42.448.82.4
road and skidding road37.317.137.62.437.62.3
road and cable line..5.61.15.51.1
road and flight path25.415.50.20.20.70.4
no access intended24.915.37.01.27.41.3
total100.0.100.0.100.0.
Eastern Juraroad and skidding track100.0.60.44.460.74.4
road and skidding road..33.84.333.54.3
road and cable line..3.31.63.31.6
road and flight path......
no access intended..2.51.42.51.4
total100.0.100.0.100.0.
Western Plateauroad and skidding track..72.94.172.94.1
road and skidding road..17.83.517.83.5
road and cable line..0.80.80.80.8
road and flight path......
no access intended..8.52.68.52.6
total..100.0.100.0.
Central Plateauroad and skidding track100.0.63.83.264.03.2
road and skidding road..19.42.719.32.6
road and cable line..3.61.33.61.2
road and flight path......
no access intended..13.22.313.12.3
total100.0.100.0.100.0.
Eastern Plateauroad and skidding track..75.42.475.42.4
road and skidding road..17.42.117.42.1
road and cable line..4.71.24.71.2
road and flight path..0.30.30.30.3
no access intended..2.20.82.20.8
total..100.0.100.0.
Western Pre-Alpsroad and skidding track..28.74.128.54.1
road and skidding road..8.92.68.92.6
road and cable line..42.64.542.34.5
road and flight path100.0.4.11.84.92.0
no access intended..15.63.315.53.3
total100.0.100.0.100.0.
Central Pre-Alpsroad and skidding track..13.72.113.52.0
road and skidding road50.025.018.02.318.52.3
road and cable line25.021.733.22.833.12.8
road and flight path25.021.75.11.35.31.3
no access intended..30.02.829.52.7
total100.0.100.0.100.0.
Eastern Pre-Alpsroad and skidding track66.727.336.53.337.03.3
road and skidding road..17.32.617.12.6
road and cable line33.327.326.93.127.03.1
road and flight path..9.12.09.02.0
no access intended..10.12.110.02.1
total100.0.100.0.100.0.
Northwestern Alpsroad and skidding track7.77.410.52.410.32.3
road and skidding road7.77.46.11.96.31.8
road and cable line61.513.558.83.959.03.7
road and flight path15.410.08.62.29.12.2
no access intended7.77.416.02.915.32.7
total100.0.100.0.100.0.
Central Alpsroad and skidding track8.38.08.53.38.53.1
road and skidding road..7.13.16.12.6
road and cable line50.014.538.75.840.35.4
road and flight path25.012.616.54.417.74.2
no access intended16.710.829.25.427.44.9
total100.0.100.0.100.0.
Northeastern Alpsroad and skidding track..8.13.07.32.7
road and skidding road..7.02.86.22.5
road and cable line60.015.555.85.456.25.1
road and flight path30.014.513.93.715.63.7
no access intended10.09.515.13.914.63.6
total100.0.100.0.100.0.
Southwestern Alpsroad and skidding track20.88.317.82.218.02.1
road and skidding road8.35.66.81.46.91.4
road and cable line20.88.334.62.733.62.6
road and flight path50.110.237.22.838.22.7
no access intended..3.61.13.31.0
total100.0.100.0.100.0.
Southeastern Alpsroad and skidding track18.111.625.02.124.82.1
road and skidding road..5.41.15.21.1
road and cable line18.111.645.52.544.82.4
road and flight path63.814.523.92.124.92.1
no access intended..0.20.20.20.2
total100.0.100.0.100.0.
Southern Alpsroad and skidding track6.14.22.70.83.00.8
road and skidding road3.03.08.41.48.01.3
road and cable line18.36.727.72.226.92.1
road and flight path63.68.444.72.546.12.4
no access intended9.15.016.51.815.91.7
total100.0.100.0.100.0.
Switzerlandroad and skidding track13.13.133.90.733.20.7
road and skidding road7.52.415.90.615.60.6
road and cable line28.94.125.40.725.50.7
road and flight path43.04.514.30.615.30.6
no access intended7.52.410.40.510.30.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162139/148518

NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track0.410075.1575.45
road and skidding road1.15857.1658.26
road and cable line..8.6208.620
road and flight path0.7710.41001.158
no access intended0.77110.71811.417
total2.935151.82154.72
Eastern Juraroad and skidding track0.410028.9829.37
road and skidding road..16.21316.213
road and cable line..1.6491.649
road and flight path......
no access intended..1.2571.257
total0.410047.8248.22
Western Plateauroad and skidding track..35.6735.67
road and skidding road..8.7208.720
road and cable line..0.41000.4100
road and flight path......
no access intended..4.1304.130
total..48.7348.73
Central Plateauroad and skidding track0.310043.9644.26
road and skidding road..13.31413.314
road and cable line..2.5352.535
road and flight path......
no access intended..9.1189.118
total0.310068.8269.12
Eastern Plateauroad and skidding track..85.4485.44
road and skidding road..19.71219.712
road and cable line..5.4255.425
road and flight path..0.41000.4100
no access intended..2.5372.537
total..113.32113.32
Western Pre-Alpsroad and skidding track..13.01513.015
road and skidding road..4.0294.029
road and cable line..19.21119.211
road and flight path0.41001.9442.240
no access intended..7.0217.021
total0.410045.1445.54
Central Pre-Alpsroad and skidding track..13.61513.615
road and skidding road0.77117.91318.613
road and cable line0.410033.0933.49
road and flight path0.41005.0265.425
no access intended..29.81029.810
total1.45099.32100.82
Eastern Pre-Alpsroad and skidding track0.77127.11027.99
road and skidding road..12.91612.916
road and cable line0.410020.01220.412
road and flight path..6.8226.822
no access intended..7.5217.521
total1.15774.3375.33
Northwestern Alpsroad and skidding track0.41006.1246.523
road and skidding road0.41003.6313.930
road and cable line2.93534.3837.27
road and flight path0.7715.0265.724
no access intended0.41009.3199.718
total4.62758.3462.94
Central Alpsroad and skidding track0.31002.1402.537
road and skidding road..1.8441.844
road and cable line2.1409.71711.715
road and flight path1.0574.1275.224
no access intended0.7707.3208.019
total4.12725.0829.17
Northeastern Alpsroad and skidding track..2.5372.537
road and skidding road..2.1402.140
road and cable line2.14017.21119.310
road and flight path1.1574.3275.424
no access intended0.41004.7275.026
total3.63030.8634.45
Southwestern Alpsroad and skidding track1.74418.91320.612
road and skidding road0.7717.2217.920
road and cable line1.74436.8838.58
road and flight path4.12939.5843.77
no access intended..3.8303.830
total8.220106.23114.43
Southeastern Alpsroad and skidding track0.77136.3937.09
road and skidding road..7.8217.821
road and cable line0.77166.0666.76
road and flight path2.53834.6937.19
no access intended..0.41000.4100
total3.930145.02148.92
Southern Alpsroad and skidding track0.7713.9304.627
road and skidding road0.410012.01712.416
road and cable line2.14139.3841.48
road and flight path7.42163.4670.96
no access intended1.15823.41224.511
total11.717142.13153.82
Switzerlandroad and skidding track5.625392.32397.92
road and skidding road3.233184.34187.44
road and cable line12.317293.83306.23
road and flight path18.314165.44183.74
no access intended3.233120.75123.95
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162140/148519

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · main type of harvest · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder44.416.6100.0.19.06.129.19.320.012.611.85.522.23.8
forwarder......4.24.1....0.80.8
mobile tower yarder11.110.5..26.26.812.56.710.09.55.94.014.93.2
cable crane11.110.5..19.06.14.24.1..11.95.611.62.9
helicopter22.413.9..35.77.450.110.270.114.567.68.048.84.5
others11.110.5........2.92.91.71.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder61.32.158.91.835.81.522.82.519.52.210.21.539.30.8
forwarder30.32.035.91.83.80.63.31.17.11.42.40.815.50.6
mobile tower yarder5.41.03.70.721.01.321.32.521.62.211.41.613.40.6
cable crane0.90.40.50.320.91.37.41.625.42.414.91.811.60.5
helicopter0.40.30.30.218.01.244.53.026.12.457.22.419.00.6
others1.70.60.70.30.40.20.70.50.30.33.80.91.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder61.02.159.01.835.21.523.32.519.62.110.31.438.60.8
forwarder29.82.035.81.83.70.63.41.06.91.42.30.715.00.6
mobile tower yarder5.51.03.70.721.21.320.62.421.32.211.01.513.50.6
cable crane1.10.40.50.320.81.37.11.524.72.314.71.711.60.5
helicopter0.70.40.30.218.71.245.02.927.32.458.02.320.10.6
others1.80.60.70.30.40.20.70.50.30.33.80.91.20.2
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 #162141/148520

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · main type of harvest · 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
rockfall SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder1.4500.7712.8352.4370.7711.4509.519
forwarder......0.3100....0.3100
mobile tower yarder0.4100..3.9301.0580.41000.7716.423
cable crane0.4100..2.8350.3100..1.4505.027
helicopter0.771..5.3264.1282.5388.22020.813
others0.4100........0.41000.771
total3.2330.77114.9158.2203.53112.11742.79
outside perimeterskidder118.24151.73123.7521.21223.41114.915453.12
forwarder58.4792.7513.2163.1338.5203.631179.44
mobile tower yarder10.4189.51972.5619.91225.81016.714154.84
cable crane1.8451.45072.266.92230.31021.712134.35
helicopter0.7710.77162.1741.5831.21083.45219.73
others3.2331.8451.4500.7710.41005.62513.116
total192.82257.91345.1293.33119.53145.931154.51
totalskidder119.64152.53126.6423.61124.11116.314462.62
forwarder58.4792.7513.2163.4318.5203.631179.74
mobile tower yarder10.8189.51976.4620.91226.21017.414161.24
cable crane2.2411.45075.067.22130.31023.212139.35
helicopter1.4500.77167.4745.7733.6991.65240.53
others3.6311.8451.4500.7710.41006.02413.816
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162142/148521

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · main type of harvest · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonmain type of harvest %± %± %±
AGskidder..58.24.458.24.4
forwarder..37.74.437.74.4
mobile tower yarder..1.61.21.61.2
cable crane......
helicopter..0.80.80.80.8
others..1.61.21.61.2
total..100.0.100.0.
AIskidder..69.211.869.211.8
forwarder..6.26.16.26.1
mobile tower yarder..6.26.16.26.1
cable crane..6.26.16.26.1
helicopter..12.38.412.38.4
others......
total..100.0.100.0.
ARskidder..53.69.953.69.9
forwarder..23.08.423.08.4
mobile tower yarder..11.56.411.56.4
cable crane..12.06.512.06.5
helicopter......
others......
total..100.0.100.0.
BEskidder35.111.650.42.349.92.2
forwarder..14.51.614.01.5
mobile tower yarder29.311.015.61.616.01.6
cable crane5.95.712.71.512.51.5
helicopter29.711.16.61.17.31.2
others..0.20.20.20.2
total100.0.100.0.100.0.
BL/BSskidder100.0.53.87.154.77.0
forwarder..38.16.937.46.8
mobile tower yarder..6.03.45.93.3
cable crane..2.02.02.02.0
helicopter......
others......
total100.0.100.0.100.0.
FRskidder..52.64.752.64.7
forwarder..12.13.012.13.0
mobile tower yarder..19.83.719.83.7
cable crane..8.62.68.62.6
helicopter..6.02.26.02.2
others..0.80.80.80.8
total..100.0.100.0.
GEskidder......
forwarder..100.0.100.0.
mobile tower yarder......
cable crane......
helicopter......
others......
total..100.0.100.0.
GLskidder14.313.325.26.923.56.2
forwarder......
mobile tower yarder14.313.314.95.714.85.2
cable crane42.918.937.77.738.57.1
helicopter28.617.222.26.623.26.2
others......
total100.0.100.0.100.0.
GRskidder9.56.420.01.819.61.8
forwarder..5.91.15.71.0
mobile tower yarder14.27.621.11.820.91.8
cable crane9.76.525.42.024.81.9
helicopter66.610.327.52.029.12.0
others......
total100.0.100.0.100.0.
JUskidder33.327.480.14.478.54.4
forwarder..14.03.813.63.7
mobile tower yarder33.327.43.52.04.62.2
cable crane......
helicopter......
others33.327.42.41.73.41.9
total100.0.100.0.100.0.
LUskidder..55.04.455.04.4
forwarder..14.83.114.83.1
mobile tower yarder..15.63.215.63.2
cable crane..12.32.912.32.9
helicopter..2.31.32.31.3
others......
total..100.0.100.0.
NEskidder..92.02.992.02.9
forwarder..5.72.55.72.5
mobile tower yarder......
cable crane......
helicopter......
others..2.31.62.31.6
total..100.0.100.0.
NWskidder..36.811.335.010.9
forwarder......
mobile tower yarder..21.19.520.09.1
cable crane100.0.15.88.520.09.1
helicopter..26.310.325.09.9
others......
total100.0.100.0.100.0.
OWskidder50.035.719.05.420.25.5
forwarder..3.82.73.72.6
mobile tower yarder..22.85.822.05.6
cable crane..26.16.025.25.9
helicopter50.035.728.26.229.06.2
others......
total100.0.100.0.100.0.
SGskidder40.022.052.94.052.54.0
forwarder..3.91.63.81.5
mobile tower yarder..5.91.95.71.9
cable crane..17.63.117.13.0
helicopter60.022.019.03.220.33.2
others..0.60.60.60.6
total100.0.100.0.100.0.
SHskidder..13.95.813.95.8
forwarder..80.66.480.66.4
mobile tower yarder..2.82.82.82.8
cable crane......
helicopter......
others..2.82.82.82.8
total..100.0.100.0.
SOskidder50.035.541.05.441.25.4
forwarder..48.25.547.15.4
mobile tower yarder..8.43.18.23.0
cable crane50.035.5..1.21.2
helicopter......
others..2.41.72.41.7
total100.0.100.0.100.0.
SZskidder..26.05.024.74.8
forwarder..5.22.54.92.4
mobile tower yarder50.025.127.25.128.45.0
cable crane25.021.811.73.712.43.7
helicopter25.021.827.35.127.25.0
others..2.61.82.51.7
total100.0.100.0.100.0.
TGskidder..51.05.951.05.9
forwarder..42.15.942.15.9
mobile tower yarder..1.41.41.41.4
cable crane......
helicopter......
others..5.52.75.52.7
total..100.0.100.0.
TIskidder17.47.99.91.710.41.6
forwarder..2.80.92.60.9
mobile tower yarder..7.41.56.91.4
cable crane8.75.913.41.913.01.8
helicopter69.69.661.72.762.22.6
others4.34.34.91.24.91.2
total100.0.100.0.100.0.
URskidder11.110.519.75.918.45.2
forwarder..2.12.11.81.8
mobile tower yarder33.315.812.64.815.94.9
cable crane11.110.525.56.423.25.7
helicopter44.416.737.77.138.86.5
others..2.42.32.02.0
total100.0.100.0.100.0.
VDskidder..42.23.141.93.0
forwarder..36.83.036.53.0
mobile tower yarder..10.71.910.61.9
cable crane50.035.43.41.13.81.2
helicopter50.035.46.81.67.11.6
others......
total100.0.100.0.100.0.
VSskidder29.19.324.92.525.22.4
forwarder4.24.13.91.13.91.1
mobile tower yarder12.56.721.02.320.42.2
cable crane4.24.18.41.68.11.5
helicopter50.110.241.12.841.82.7
others..0.60.50.60.4
total100.0.100.0.100.0.
ZGskidder..59.513.159.513.1
forwarder..6.86.86.86.8
mobile tower yarder..27.011.927.011.9
cable crane..6.86.86.86.8
helicopter......
others......
total..100.0.100.0.
ZHskidder..58.54.158.54.1
forwarder..29.93.829.93.8
mobile tower yarder..10.22.510.22.5
cable crane..1.41.01.41.0
helicopter......
others......
total..100.0.100.0.
Switzerlandskidder22.33.839.20.838.60.8
forwarder0.80.815.80.615.30.6
mobile tower yarder14.63.213.40.613.40.6
cable crane11.93.011.50.511.50.5
helicopter48.54.519.00.620.00.6
others1.71.21.10.21.10.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162143/148522

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · main type of harvest · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %
AGskidder..28.6828.68
forwarder..18.51218.512
mobile tower yarder..0.8700.870
cable crane......
helicopter..0.41000.4100
others..0.8700.870
total..49.1249.12
AIskidder..3.6223.622
forwarder..0.31000.3100
mobile tower yarder..0.31000.3100
cable crane..0.31000.3100
helicopter..0.6690.669
others......
total..5.2125.212
ARskidder..4.5184.518
forwarder..1.9361.936
mobile tower yarder..1.0551.055
cable crane..1.0571.057
helicopter......
others......
total..8.468.46
BEskidder2.14184.4586.45
forwarder..24.31124.311
mobile tower yarder1.74526.01127.710
cable crane0.310021.31221.612
helicopter1.74511.01712.716
others..0.31000.3100
total5.824167.32173.12
BL/BSskidder0.410010.91411.314
forwarder..7.7197.719
mobile tower yarder..1.2571.257
cable crane..0.41000.4100
helicopter......
others......
total0.410020.3520.75
FRskidder..22.8922.89
forwarder..5.2255.225
mobile tower yarder..8.6198.619
cable crane..3.7303.730
helicopter..2.6372.637
others..0.41000.4100
total..43.3343.33
GEskidder......
forwarder..3.1203.120
mobile tower yarder......
cable crane......
helicopter......
others......
total..3.1203.120
GLskidder0.41003.9294.227
forwarder......
mobile tower yarder0.41002.3402.736
cable crane1.2575.8226.919
helicopter0.8703.4324.228
others......
total2.73615.31018.07
GRskidder0.77134.3935.09
forwarder..10.11810.118
mobile tower yarder1.05836.3937.39
cable crane0.77143.6844.38
helicopter4.92647.3852.27
others......
total7.421171.62179.02
JUskidder0.410026.5626.96
forwarder..4.6274.627
mobile tower yarder0.41001.2571.649
cable crane......
helicopter......
others0.41000.8701.257
total1.25733.0434.23
LUskidder..22.4922.49
forwarder..6.0226.022
mobile tower yarder..6.3216.321
cable crane..5.0245.024
helicopter..0.9570.957
others......
total..40.7340.73
NEskidder..25.9625.96
forwarder..1.6441.644
mobile tower yarder......
cable crane......
helicopter......
others..0.6700.670
total..28.2428.24
NWskidder..2.7322.732
forwarder......
mobile tower yarder..1.5461.546
cable crane0.41001.2551.546
helicopter..1.9401.940
others......
total0.41007.3107.78
OWskidder0.41003.7294.127
forwarder..0.7700.770
mobile tower yarder..4.5264.526
cable crane..5.1255.125
helicopter0.41005.5235.922
others......
total0.77019.6620.45
SGskidder0.77029.3930.08
forwarder..2.2402.240
mobile tower yarder..3.3333.333
cable crane..9.8189.818
helicopter1.15710.51711.616
others..0.41000.4100
total1.84455.3457.14
SHskidder..1.8421.842
forwarder..10.3910.39
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others..0.41000.4100
total..12.8312.83
SOskidder0.410012.91413.213
forwarder..15.11215.112
mobile tower yarder..2.6362.636
cable crane0.4100..0.4100
helicopter......
others..0.8700.870
total0.87031.4432.23
SZskidder..7.3207.320
forwarder..1.4491.449
mobile tower yarder0.7707.6198.318
cable crane0.41003.3323.630
helicopter0.41007.6208.019
others..0.7700.770
total1.44927.9529.34
TGskidder..11.01211.012
forwarder..9.1159.115
mobile tower yarder..0.31000.3100
cable crane......
helicopter......
others..1.2491.249
total..21.7421.74
TIskidder1.45011.41712.816
forwarder..3.2333.233
mobile tower yarder..8.5208.520
cable crane0.77115.41416.114
helicopter5.72471.2576.95
others0.41005.6256.024
total8.220115.43123.62
URskidder0.31003.1333.431
forwarder..0.31000.3100
mobile tower yarder1.0572.0393.031
cable crane0.31004.0274.326
helicopter1.3495.9217.318
others..0.41000.4100
total3.03115.71118.78
VDskidder..42.1842.18
forwarder..36.7936.79
mobile tower yarder..10.61810.618
cable crane0.41003.4333.831
helicopter0.41006.8237.222
others......
total0.87199.62100.32
VSskidder2.43726.41028.810
forwarder0.31004.1284.527
mobile tower yarder1.05822.31123.411
cable crane0.31008.9199.319
helicopter4.12943.7747.87
others..0.7710.771
total8.220106.23114.43
ZGskidder..3.8243.824
forwarder..0.41000.4100
mobile tower yarder..1.7441.744
cable crane..0.41000.4100
helicopter......
others......
total..6.376.37
ZHskidder..30.3830.38
forwarder..15.51315.513
mobile tower yarder..5.3255.325
cable crane..0.7700.770
helicopter......
others......
total..51.8251.82
Switzerlandskidder9.619453.52463.12
forwarder0.3100182.84183.14
mobile tower yarder6.323154.74160.94
cable crane5.127133.35138.45
helicopter20.813219.43240.23
others0.77113.01613.816
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162144/148523
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