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NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · concept of transportation system · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track5.02667.5672.55
road and skidding road7.92148.2756.07
road and cable line2.1416.4238.620
road and flight path0.7710.41001.158
no access intended2.1418.62010.718
total17.813131.03148.92
Eastern Juraroad and skidding track0.87027.7828.58
road and skidding road0.87015.01415.813
road and cable line..1.6491.649
road and flight path......
no access intended..1.2571.257
total1.64945.4347.03
Western Plateauroad and skidding track2.04432.0734.07
road and skidding road1.2577.4228.720
road and cable line..0.41000.4100
road and flight path......
no access intended0.8703.3344.130
total4.13143.1547.24
Central Plateauroad and skidding track0.95742.9643.86
road and skidding road1.54411.81513.314
road and cable line0.31002.2372.535
road and flight path......
no access intended0.9578.1199.118
total3.72865.0368.72
Eastern Plateauroad and skidding track2.53780.8483.34
road and skidding road1.84416.81418.613
road and cable line0.7714.6275.425
road and flight path..0.41000.4100
no access intended..2.5372.537
total5.026105.12110.12
Western Pre-Alpsroad and skidding track5.2257.42112.615
road and skidding road2.2401.1573.333
road and cable line10.4176.32316.612
road and flight path0.7701.5492.240
no access intended3.3323.0346.323
total21.81019.21141.14
Central Pre-Alpsroad and skidding track6.8226.12412.916
road and skidding road8.6209.71818.313
road and cable line18.61312.91631.69
road and flight path3.2331.8445.026
no access intended7.22219.71226.910
total44.5750.2694.72
Eastern Pre-Alpsroad and skidding track11.11715.71426.810
road and skidding road6.4234.62711.117
road and cable line12.9156.12318.912
road and flight path2.5372.9355.425
no access intended1.8445.0266.822
total34.6834.3868.93
Northwestern Alpsroad and skidding track1.8443.2335.026
road and skidding road1.8441.4503.233
road and cable line21.81112.51534.37
road and flight path2.5373.2335.724
no access intended4.3282.1406.423
total32.1822.51154.74
Central Alpsroad and skidding track0.31000.7701.057
road and skidding road0.7710.7711.450
road and cable line6.9203.82910.715
road and flight path2.1401.7443.829
no access intended1.0574.1275.224
total11.01511.11522.18
Northeastern Alpsroad and skidding track2.240..2.240
road and skidding road1.8440.41002.140
road and cable line10.7166.82117.511
road and flight path1.4492.1403.630
no access intended1.4491.8443.232
total17.61111.11528.76
Southwestern Alpsroad and skidding track8.9198.91917.813
road and skidding road3.1332.7355.824
road and cable line27.8107.22135.09
road and flight path20.61211.71632.39
no access intended2.735..2.735
total63.1530.6993.73
Southeastern Alpsroad and skidding track10.61820.41230.910
road and skidding road0.7715.3256.024
road and cable line32.3924.61156.96
road and flight path11.61713.21624.811
no access intended..0.41000.4100
total55.2663.96119.03
Southern Alpsroad and skidding track3.2330.7713.930
road and skidding road6.0244.22910.218
road and cable line29.4108.52037.99
road and flight path45.087.82152.87
no access intended9.2195.32514.515
total92.8426.511119.33
Switzerlandroad and skidding track61.27314.02375.22
road and skidding road44.69129.35173.94
road and cable line173.94104.06277.93
road and flight path90.3646.68137.05
no access intended34.91065.17100.06
total404.92659.011063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162961/149340

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder54.76.860.36.233.42.220.03.112.53.09.81.826.31.3
forwarder20.75.622.25.22.50.72.41.23.31.61.90.84.40.6
mobile tower yarder9.44.012.74.224.92.026.73.430.84.212.42.021.41.2
cable crane3.82.63.22.225.82.010.32.430.04.218.12.420.01.2
helicopter3.82.6..13.41.640.03.823.33.956.03.027.01.3
others7.53.61.61.6..0.60.6..1.90.81.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder62.12.258.61.938.62.431.75.122.83.417.84.349.31.1
forwarder30.12.137.41.95.71.16.12.611.12.53.92.223.61.0
mobile tower yarder5.31.02.90.719.32.017.24.218.93.212.83.89.50.7
cable crane0.80.40.20.217.21.92.41.723.43.416.74.26.80.6
helicopter0.40.30.30.218.51.942.65.523.83.446.35.710.10.7
others1.30.50.60.30.70.4....2.61.80.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder61.32.158.81.835.81.623.92.718.32.311.61.740.50.8
forwarder29.22.036.11.84.00.73.61.27.71.62.30.816.30.6
mobile tower yarder5.71.03.80.722.31.423.52.724.12.612.51.814.00.6
cable crane1.10.50.40.221.81.47.71.726.32.717.82.111.80.6
helicopter0.80.40.30.215.81.240.93.123.62.653.82.716.50.6
others1.90.60.70.30.30.20.40.4..2.00.80.90.2
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 #162962/149341

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder10.41813.41656.5711.3175.3259.319106.25
forwarder4.0304.9264.3291.4501.4501.84517.714
mobile tower yarder1.8452.83542.2915.01413.11611.71786.66
cable crane0.7710.77143.695.82412.71617.11480.76
helicopter0.771..22.71222.6119.91853.07108.95
others1.4500.4100..0.3100..1.8453.930
total19.11322.312169.2356.5642.4794.74404.12
outside perimeterskidder105.54135.8456.178.91912.4164.926323.73
forwarder51.2786.758.2211.7446.0241.158154.84
mobile tower yarder9.0206.72328.0114.82610.3183.63162.47
cable crane1.4500.410025.0120.77112.7164.62744.89
helicopter0.7710.77127.01112.01612.91612.81666.27
others2.2411.4501.158....0.7715.426
total170.12231.62145.3428.11054.3627.710657.21
totalskidder116.04149.23112.6520.21217.71314.215429.92
forwarder55.1791.6512.5173.1337.4212.835172.64
mobile tower yarder10.8189.51970.2619.91223.31115.315149.04
cable crane2.2411.15868.676.52225.41121.712125.55
helicopter1.4500.77149.7834.6822.81165.96175.14
others3.6311.8451.1580.3100..2.5389.320
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162963/149342

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonmain type of harvest %± %± %±
AGskidder..57.94.557.94.5
forwarder..38.04.438.04.4
mobile tower yarder..1.71.21.71.2
cable crane......
helicopter..0.80.80.80.8
others..1.71.21.71.2
total..100.0.100.0.
AIskidder55.616.983.315.766.712.5
forwarder11.110.8..6.76.6
mobile tower yarder11.110.8..6.76.6
cable crane..16.715.66.76.6
helicopter22.214.2..13.39.0
others......
total100.0.100.0.100.0.
ARskidder42.919.061.111.656.010.0
forwarder28.617.422.210.024.08.7
mobile tower yarder14.313.511.17.512.06.6
cable crane14.313.55.65.58.05.5
helicopter......
others......
total100.0.100.0.100.0.
BEskidder42.73.755.82.950.92.3
forwarder3.91.520.92.414.51.6
mobile tower yarder23.63.212.51.916.71.7
cable crane20.23.07.11.512.01.5
helicopter9.02.13.71.15.71.1
others0.60.6..0.20.2
total100.0.100.0.100.0.
BL/BSskidder75.021.853.37.755.17.3
forwarder25.021.837.47.436.37.1
mobile tower yarder..7.03.96.43.6
cable crane..2.32.32.12.1
helicopter......
others......
total100.0.100.0.100.0.
FRskidder38.07.563.35.953.64.8
forwarder7.24.016.24.512.73.2
mobile tower yarder35.87.48.83.419.13.8
cable crane14.35.45.92.99.12.8
helicopter4.83.35.92.95.52.2
others......
total100.0.100.0.100.0.
GEskidder......
forwarder..100.0.100.0.
mobile tower yarder......
cable crane......
helicopter......
others......
total..100.0.100.0.
GLskidder26.310.222.79.024.46.8
forwarder......
mobile tower yarder5.35.222.79.014.65.6
cable crane47.411.536.410.341.57.7
helicopter21.19.418.28.319.56.2
others......
total100.0.100.0.100.0.
GRskidder14.92.524.53.019.62.0
forwarder1.91.011.02.26.41.2
mobile tower yarder26.93.119.52.823.32.1
cable crane31.73.221.52.926.72.2
helicopter24.53.023.33.023.92.1
others......
total100.0.100.0.100.0.
JUskidder76.29.278.95.078.24.4
forwarder9.56.415.04.413.73.7
mobile tower yarder9.56.43.02.14.62.3
cable crane......
helicopter......
others4.84.73.02.13.52.0
total100.0.100.0.100.0.
LUskidder28.69.961.54.856.04.5
forwarder9.56.416.53.715.33.2
mobile tower yarder23.89.312.53.214.43.1
cable crane33.310.37.72.612.02.9
helicopter4.84.71.91.32.41.4
others......
total100.0.100.0.100.0.
NEskidder40.022.095.02.491.83.0
forwarder40.022.03.72.15.92.6
mobile tower yarder......
cable crane......
helicopter......
others20.018.01.21.22.31.6
total100.0.100.0.100.0.
NWskidder33.319.627.313.729.411.3
forwarder......
mobile tower yarder16.715.527.313.723.510.5
cable crane33.319.618.211.923.510.5
helicopter16.715.527.313.723.510.5
others......
total100.0.100.0.100.0.
OWskidder13.07.128.78.621.65.8
forwarder4.34.33.63.63.92.7
mobile tower yarder30.49.717.97.323.66.0
cable crane21.78.724.88.223.46.0
helicopter30.49.725.18.327.56.3
others......
total100.0.100.0.100.0.
SGskidder50.75.861.36.255.54.3
forwarder2.71.96.53.14.41.8
mobile tower yarder10.73.6..5.82.0
cable crane26.65.18.13.518.23.3
helicopter9.33.422.65.315.33.1
others..1.61.60.70.7
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.
SOskidder..44.35.642.25.5
forwarder50.025.145.65.645.85.5
mobile tower yarder..8.93.28.43.1
cable crane25.021.8..1.21.2
helicopter......
others25.021.81.31.32.41.7
total100.0.100.0.100.0.
SZskidder25.07.325.77.425.45.2
forwarder5.63.85.73.95.62.8
mobile tower yarder38.98.217.16.428.25.4
cable crane16.76.28.64.812.74.0
helicopter13.95.837.18.225.35.2
others..5.73.92.82.0
total100.0.100.0.100.0.
TGskidder50.015.951.46.551.26.0
forwarder30.014.643.66.541.75.9
mobile tower yarder10.09.5..1.41.4
cable crane......
helicopter......
others10.09.55.02.85.72.8
total100.0.100.0.100.0.
TIskidder9.52.019.15.211.51.9
forwarder2.41.03.52.42.61.0
mobile tower yarder8.51.95.33.07.81.6
cable crane15.72.517.65.116.12.2
helicopter61.63.451.06.659.43.0
others2.41.03.52.42.61.0
total100.0.100.0.100.0.
URskidder8.96.021.59.514.55.5
forwarder4.14.1..2.32.3
mobile tower yarder24.98.910.47.018.45.9
cable crane33.19.626.710.330.37.1
helicopter29.09.341.511.334.57.3
others......
total100.0.100.0.100.0.
VDskidder28.86.843.83.541.13.1
forwarder11.14.743.73.537.83.1
mobile tower yarder29.06.86.51.710.62.0
cable crane11.14.71.50.93.31.1
helicopter19.96.04.51.57.31.7
others......
total100.0.100.0.100.0.
VSskidder21.73.034.85.126.02.7
forwarder2.71.26.72.74.01.2
mobile tower yarder26.63.315.83.923.12.6
cable crane12.02.42.21.68.81.7
helicopter36.43.640.45.237.72.9
others0.50.5..0.40.4
total100.0.100.0.100.0.
ZGskidder44.417.175.022.453.814.3
forwarder..25.022.47.77.7
mobile tower yarder44.417.1..30.813.2
cable crane11.110.8..7.77.7
helicopter......
others......
total100.0.100.0.100.0.
ZHskidder33.327.357.94.257.34.1
forwarder..31.43.930.83.9
mobile tower yarder66.727.39.32.510.52.6
cable crane..1.41.01.41.0
helicopter......
others......
total100.0.100.0.100.0.
Switzerlandskidder26.31.349.01.140.40.8
forwarder4.30.623.91.016.50.6
mobile tower yarder21.51.29.40.714.00.6
cable crane19.91.26.70.611.70.6
helicopter27.01.310.10.716.50.6
others1.00.30.80.20.90.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162964/149343

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %
AGskidder..28.2828.28
forwarder..18.51218.512
mobile tower yarder..0.8700.870
cable crane......
helicopter..0.41000.4100
others..0.8700.870
total..48.7248.72
AIskidder1.6391.6393.222
forwarder0.3100..0.3100
mobile tower yarder0.3100..0.3100
cable crane..0.31000.3100
helicopter0.669..0.669
others......
total2.9241.9344.811
ARskidder1.0553.5234.518
forwarder0.6691.3471.936
mobile tower yarder0.31000.6691.055
cable crane0.31000.31000.669
helicopter......
others......
total2.2335.8148.05
BEskidder26.01156.5782.55
forwarder2.43821.21223.611
mobile tower yarder14.41512.71627.010
cable crane12.3167.22119.513
helicopter5.5253.8309.319
others0.3100..0.3100
total60.96101.34162.32
BL/BSskidder1.2579.31610.515
forwarder0.41006.5216.920
mobile tower yarder..1.2571.257
cable crane..0.41000.4100
helicopter......
others......
total1.64917.5819.16
FRskidder6.02416.11222.09
forwarder1.1574.1295.225
mobile tower yarder5.6242.2407.820
cable crane2.2401.5493.730
helicopter0.7701.5492.240
others......
total15.71325.4841.13
GEskidder......
forwarder..2.2342.234
mobile tower yarder......
cable crane......
helicopter......
others......
total..2.2342.234
GLskidder1.9431.9433.929
forwarder......
mobile tower yarder0.41001.9432.339
cable crane3.5313.1336.520
helicopter1.5491.5493.133
others......
total7.3198.51715.88
GRskidder10.81717.11427.910
forwarder1.4507.7219.119
mobile tower yarder19.51313.61533.29
cable crane23.01215.01538.19
helicopter17.81316.31434.19
others......
total72.6569.76142.33
JUskidder6.22320.3926.56
forwarder0.8703.9304.627
mobile tower yarder0.8700.8701.649
cable crane......
helicopter......
others0.41000.8701.257
total8.21925.7733.93
LUskidder1.94020.1922.09
forwarder0.6705.4236.022
mobile tower yarder1.6444.1275.622
cable crane2.2372.5344.724
helicopter0.31000.6700.957
others......
total6.62032.8539.33
NEskidder0.67024.5625.15
forwarder0.6701.0571.644
mobile tower yarder......
cable crane......
helicopter......
others0.31000.31000.670
total1.64425.8527.44
NWskidder0.8691.2551.940
forwarder......
mobile tower yarder0.41001.2551.546
cable crane0.8690.8691.546
helicopter0.41001.2551.546
others......
total2.3364.2226.513
OWskidder1.1573.0334.127
forwarder0.41000.41000.770
mobile tower yarder2.6361.9434.526
cable crane1.9432.6364.526
helicopter2.6362.6365.223
others......
total8.61610.41419.04
SGskidder13.71513.71427.59
forwarder0.7701.4502.240
mobile tower yarder2.935..2.935
cable crane7.2211.8449.019
helicopter2.5375.1267.621
others..0.41000.4100
total27.1922.41049.54
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
SOskidder..13.21313.213
forwarder0.87013.61314.413
mobile tower yarder..2.6362.636
cable crane0.4100..0.4100
helicopter......
others0.41000.41000.870
total1.54929.9431.44
SZskidder3.3323.3326.521
forwarder0.7700.7701.449
mobile tower yarder5.1252.2407.220
cable crane2.2401.1573.332
helicopter1.8444.7266.521
others..0.7700.770
total13.01312.71325.75
TGskidder1.5439.31410.712
forwarder0.9577.8168.715
mobile tower yarder0.3100..0.3100
cable crane......
helicopter......
others0.31000.9571.249
total3.03018.0621.04
TIskidder7.2223.93011.117
forwarder1.8440.7712.537
mobile tower yarder6.4231.1587.521
cable crane11.8173.63115.414
helicopter46.5710.41857.06
others1.8440.7712.538
total75.5520.41295.94
URskidder0.7711.4502.140
forwarder0.3100..0.3100
mobile tower yarder2.0390.7702.634
cable crane2.6341.7444.326
helicopter2.3362.6345.023
others......
total8.0176.42114.311
VDskidder4.92733.4938.38
forwarder1.94433.3935.29
mobile tower yarder4.9274.9279.919
cable crane1.9441.1583.035
helicopter3.4333.4336.823
others......
total17.11476.2493.23
VSskidder13.71510.61724.411
forwarder1.7442.1413.830
mobile tower yarder16.8134.82621.612
cable crane7.5210.7718.220
helicopter23.01112.41635.39
others0.3100..0.3100
total63.1530.6993.73
ZGskidder1.7441.3533.028
forwarder..0.41000.4100
mobile tower yarder1.744..1.744
cable crane0.4100..0.4100
helicopter......
others......
total3.9211.7445.69
ZHskidder0.410028.5828.98
forwarder..15.51315.513
mobile tower yarder0.7704.6275.325
cable crane..0.7700.770
helicopter......
others......
total1.15749.3250.42
Switzerlandskidder106.25323.73429.92
forwarder17.514158.14175.64
mobile tower yarder86.7662.37149.05
cable crane80.3644.49124.75
helicopter109.1566.57175.64
others3.9305.3269.220
total403.82660.211064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162965/149344

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %±
inside perimeterskidder55.56.855.68.342.93.020.71.89.21.826.41.3
forwarder20.45.533.37.94.31.22.00.61.90.84.40.6
mobile tower yarder9.33.95.63.825.42.626.31.912.52.021.41.2
cable crane3.72.62.82.717.52.325.41.917.62.419.81.2
helicopter3.72.6..10.01.825.41.956.93.126.91.3
others7.43.62.82.7..0.20.21.90.81.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder60.02.258.42.049.72.928.02.315.84.249.31.1
forwarder32.22.137.32.07.61.67.01.34.02.323.61.0
mobile tower yarder5.21.02.80.716.02.219.62.013.43.99.50.7
cable crane0.80.40.70.312.21.917.61.917.44.46.70.6
helicopter0.40.30.30.213.52.027.72.246.85.810.00.7
others1.50.50.50.31.00.6..2.71.90.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder59.52.158.21.946.32.123.91.410.61.740.60.8
forwarder31.02.037.11.96.01.04.20.72.40.816.30.6
mobile tower yarder5.61.02.90.720.61.723.41.412.71.814.00.6
cable crane1.10.50.80.314.81.522.01.417.52.111.70.6
helicopter0.70.40.30.211.81.426.41.554.62.716.50.6
others2.10.60.60.30.50.30.10.12.10.80.90.2
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 #162966/149345

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder11.0187.02243.3836.798.520106.45
forwarder4.0304.2294.3293.5311.84517.814
mobile tower yarder1.8450.77125.61146.6811.61786.46
cable crane0.7710.410017.71445.0816.31480.06
helicopter0.771..10.11945.0852.87108.55
others1.5500.4100..0.31001.8453.930
total19.71312.716100.95177.0392.84403.12
outside perimeterskidder105.54124.7451.5738.594.229324.53
forwarder56.6779.867.9219.7191.158155.04
mobile tower yarder9.1206.02416.61427.0113.53162.27
cable crane1.5501.45012.61624.2124.62744.39
helicopter0.7710.77114.11638.2912.41666.17
others2.6381.1581.158..0.7715.426
total176.02213.62103.84137.6426.511657.51
totalskidder116.54131.8494.8575.2612.716430.92
forwarder60.6784.0512.31713.1162.835172.84
mobile tower yarder11.0186.72342.2873.7615.215148.64
cable crane2.2411.84530.31069.2620.912124.35
helicopter1.5500.77124.21283.1665.26174.64
others4.0301.4501.1580.31002.5389.319
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162967/149346

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder55.65.234.82.936.23.621.73.017.23.09.21.826.31.3
forwarder25.54.61.80.84.51.52.71.22.51.31.90.84.40.6
mobile tower yarder7.82.829.32.820.13.026.63.326.13.512.52.021.51.2
cable crane3.31.921.62.525.23.312.02.433.83.817.62.419.91.2
helicopter2.21.612.52.014.02.636.43.620.43.256.93.126.91.3
others5.62.4....0.50.5..1.90.81.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder59.11.542.73.141.63.934.85.126.43.315.84.249.31.1
forwarder35.11.45.51.45.61.86.72.711.62.44.02.323.61.0
mobile tower yarder3.90.623.52.711.32.515.83.917.62.813.43.99.50.7
cable crane0.70.314.92.215.72.92.21.622.03.117.44.46.80.6
helicopter0.40.213.32.123.83.440.45.222.43.146.85.810.00.7
others0.90.3..1.91.1....2.71.90.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder58.81.438.62.138.72.726.02.722.22.310.61.740.60.9
forwarder34.31.43.60.85.01.24.01.27.41.42.40.816.30.6
mobile tower yarder4.20.626.51.916.02.023.12.621.62.212.71.814.10.6
cable crane0.90.318.41.720.72.28.81.727.52.417.52.111.80.6
helicopter0.50.212.91.518.62.137.72.921.42.254.62.716.40.6
others1.30.3..0.90.50.40.4..2.10.80.90.2
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 #162968/149347

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder17.91434.3922.31213.7159.5198.520106.15
forwarder8.2211.8452.8351.7441.4501.84517.714
mobile tower yarder2.53828.81012.41616.81314.41511.61786.66
cable crane1.15821.31215.5147.52118.61316.31480.46
helicopter0.77112.3178.61923.01111.21752.87108.65
others1.845....0.3100..1.8453.930
total32.21098.4561.6663.1555.2692.84403.32
outside perimeterskidder230.3339.3922.91110.61716.9144.229324.33
forwarder136.745.0263.1332.1417.4211.158155.34
mobile tower yarder15.01521.6126.2234.82611.3173.53162.57
cable crane2.93513.7168.6190.77114.1154.62744.69
helicopter1.45012.31713.11612.41614.31512.41665.97
others3.632..1.158....0.7715.326
total389.9192.0555.0630.6963.9626.511657.91
totalskidder248.2373.6645.2724.41126.41112.716430.42
forwarder144.946.9235.9243.8308.8192.835173.04
mobile tower yarder17.51450.5818.61321.61225.71115.215149.14
cable crane3.93035.0924.2118.22032.7920.912124.95
helicopter2.24124.51221.71235.3925.51165.26174.54
others5.426..1.1580.3100..2.5389.220
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162969/149348

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionmain type of harvest %± %± %±
Western Juraskidder54.07.167.02.565.42.3
forwarder20.05.725.12.324.52.1
mobile tower yarder10.04.25.21.25.71.1
cable crane4.02.81.10.51.40.6
helicopter4.02.80.60.41.00.5
others8.03.81.10.51.90.7
total100.0.100.0.100.0.
Eastern Juraskidder75.021.737.34.538.64.5
forwarder25.021.754.94.653.84.5
mobile tower yarder..5.22.15.02.0
cable crane......
helicopter......
others..2.61.52.51.4
total100.0.100.0.100.0.
Western Plateauskidder39.115.452.54.951.34.7
forwarder60.915.446.64.947.84.7
mobile tower yarder..1.01.00.90.9
cable crane......
helicopter......
others......
total100.0.100.0.100.0.
Central Plateauskidder66.713.661.33.461.63.3
forwarder25.012.535.43.334.83.2
mobile tower yarder..1.90.91.80.9
cable crane8.38.01.40.81.80.9
helicopter......
others......
total100.0.100.0.100.0.
Eastern Plateauskidder57.113.258.52.958.42.8
forwarder21.411.035.42.834.72.7
mobile tower yarder14.39.44.11.24.51.2
cable crane..0.30.30.30.3
helicopter..0.70.50.60.5
others7.16.91.00.61.30.6
total100.0.100.0.100.0.
Western Pre-Alpsskidder39.06.440.46.839.64.7
forwarder1.71.79.64.15.42.2
mobile tower yarder39.06.419.25.529.74.4
cable crane13.64.515.45.014.43.3
helicopter6.83.315.45.010.83.0
others......
total100.0.100.0.100.0.
Central Pre-Alpsskidder41.94.450.04.246.23.1
forwarder3.21.65.72.04.51.3
mobile tower yarder21.03.720.73.420.82.5
cable crane23.43.813.62.918.22.4
helicopter10.52.810.02.510.21.9
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsskidder46.45.154.25.150.33.6
forwarder7.22.69.43.08.32.0
mobile tower yarder22.74.37.32.715.02.6
cable crane12.43.38.32.810.42.2
helicopter11.33.217.73.914.52.5
others..3.11.81.60.9
total100.0.100.0.100.0.
Northwestern Alpsskidder22.24.428.65.724.93.5
forwarder..1.61.60.70.7
mobile tower yarder34.45.033.36.034.03.8
cable crane24.44.517.44.821.53.3
helicopter18.94.119.05.019.03.2
others......
total100.0.100.0.100.0.
Central Alpsskidder9.65.322.07.415.84.6
forwarder3.13.1..1.61.6
mobile tower yarder31.28.218.76.924.95.4
cable crane31.28.218.97.025.05.4
helicopter24.97.740.48.732.75.9
others......
total100.0.100.0.100.0.
Northeastern Alpsskidder32.76.722.67.528.85.1
forwarder......
mobile tower yarder8.23.916.16.611.23.5
cable crane47.07.235.58.642.55.6
helicopter12.24.725.87.917.54.3
others......
total100.0.100.0.100.0.
Southwestern Alpsskidder21.73.034.85.126.02.7
forwarder2.71.26.72.74.01.2
mobile tower yarder26.63.315.83.923.12.6
cable crane12.02.42.21.68.81.7
helicopter36.43.640.45.237.72.9
others0.50.5..0.40.4
total100.0.100.0.100.0.
Southeastern Alpsskidder17.23.026.43.322.22.3
forwarder2.51.311.62.47.41.4
mobile tower yarder26.13.517.62.821.62.2
cable crane33.83.822.03.127.52.4
helicopter20.43.222.43.121.42.2
others......
total100.0.100.0.100.0.
Southern Alpsskidder9.21.815.84.210.61.7
forwarder1.90.84.02.32.40.8
mobile tower yarder12.52.013.43.912.71.8
cable crane17.62.417.44.417.52.1
helicopter56.93.146.85.854.62.7
others1.90.82.71.92.10.8
total100.0.100.0.100.0.
Switzerlandskidder26.31.349.01.140.40.8
forwarder4.40.623.81.016.40.6
mobile tower yarder21.51.29.50.714.10.6
cable crane19.91.26.80.611.80.6
helicopter26.91.310.00.716.40.6
others1.00.30.80.20.90.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162970/149349

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · main type of harvest · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionmain type of harvest1000 ha± %1000 ha± %1000 ha± %
Western Juraskidder9.61987.8497.44
forwarder3.63132.9936.59
mobile tower yarder1.8456.8228.620
cable crane0.7711.4502.141
helicopter0.7710.7711.450
others1.4501.4502.935
total17.813131.03148.92
Eastern Juraskidder1.25716.91318.112
forwarder0.410024.9925.39
mobile tower yarder..2.4402.440
cable crane......
helicopter......
others..1.2571.257
total1.64945.4347.03
Western Plateauskidder1.65022.61024.210
forwarder2.54020.11122.510
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others......
total4.13143.1547.24
Central Plateauskidder2.53539.8642.36
forwarder0.95723.01023.99
mobile tower yarder..1.2501.250
cable crane0.31000.9571.250
helicopter......
others......
total3.72865.0368.72
Eastern Plateauskidder2.93561.5564.35
forwarder1.15837.2838.28
mobile tower yarder0.7714.3285.026
cable crane..0.41000.4100
helicopter..0.7710.771
others0.41001.1581.450
total5.026105.12110.12
Western Pre-Alpsskidder8.5197.82016.313
forwarder0.41001.9442.240
mobile tower yarder8.5193.73112.215
cable crane3.0343.0345.923
helicopter1.5493.0344.428
others......
total21.81019.21141.14
Central Pre-Alpsskidder18.61325.11143.77
forwarder1.4502.9354.328
mobile tower yarder9.31910.41819.712
cable crane10.4186.82217.213
helicopter4.7275.0269.718
others......
total44.5750.2694.72
Eastern Pre-Alpsskidder16.11318.61234.68
forwarder2.5373.2335.724
mobile tower yarder7.9202.53710.417
cable crane4.3282.9357.121
helicopter3.9296.12310.018
others..1.1581.158
total34.6834.3868.93
Northwestern Alpsskidder7.1216.52313.615
forwarder..0.41000.4100
mobile tower yarder11.1177.52118.612
cable crane7.9203.92911.816
helicopter6.1234.32810.417
others......
total32.1822.51154.74
Central Alpsskidder1.1582.4373.531
forwarder0.3100..0.3100
mobile tower yarder3.4302.1405.523
cable crane3.4302.1405.523
helicopter2.7344.5267.220
others......
total11.01511.11522.18
Northeastern Alpsskidder5.7232.5378.219
forwarder......
mobile tower yarder1.4491.8443.232
cable crane8.2193.92912.215
helicopter2.1402.9345.025
others......
total17.61111.11528.76
Southwestern Alpsskidder13.71510.61724.411
forwarder1.7442.1413.830
mobile tower yarder16.8134.82621.612
cable crane7.5210.7718.220
helicopter23.01112.41635.39
others0.3100..0.3100
total63.1530.6993.73
Southeastern Alpsskidder9.51916.91426.411
forwarder1.4507.4218.819
mobile tower yarder14.41511.31725.711
cable crane18.61314.11532.79
helicopter11.21714.31525.511
others......
total55.2663.96119.03
Southern Alpsskidder8.5204.22912.716
forwarder1.8451.1582.835
mobile tower yarder11.6173.53115.215
cable crane16.3144.62720.912
helicopter52.8712.41665.26
others1.8450.7712.538
total92.8426.511119.33
Switzerlandskidder106.65323.23429.82
forwarder18.014156.94174.84
mobile tower yarder87.0662.77149.64
cable crane80.7644.79125.35
helicopter108.8566.27174.94
others3.9305.5269.420
total404.92659.011063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162971/149350

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago47.26.957.26.237.12.222.43.221.73.810.51.928.81.3
11-20 years ago18.95.425.45.522.81.916.42.923.33.97.11.618.31.1
21-30 years ago3.82.611.14.013.01.58.52.215.83.36.81.510.70.9
31-40 years ago9.44.03.22.27.41.24.21.68.32.54.11.26.10.7
41-50 years ago3.82.61.61.66.31.16.71.96.72.38.21.76.50.7
over 50 years ago17.05.21.61.613.41.641.83.824.23.963.23.029.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago53.22.378.01.636.92.418.34.325.43.514.13.952.91.1
11-20 years ago24.42.013.41.324.22.115.94.018.23.111.63.619.10.9
21-30 years ago9.31.34.10.810.31.57.32.914.82.96.42.88.00.6
31-40 years ago5.91.11.70.58.51.44.92.411.12.57.73.05.50.5
41-50 years ago3.40.81.10.47.11.39.93.35.21.85.12.53.90.4
over 50 years ago3.80.91.70.513.01.743.85.525.33.555.05.610.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago52.62.276.21.637.01.621.12.623.72.611.41.743.70.8
11-20 years ago23.81.914.51.323.51.416.22.320.52.48.21.518.80.7
21-30 years ago8.81.24.70.811.81.18.11.715.32.26.71.39.00.5
31-40 years ago6.31.11.80.57.90.94.41.39.91.84.91.25.70.4
41-50 years ago3.40.81.10.46.70.87.71.75.81.47.51.44.90.4
over 50 years ago5.11.01.70.513.21.142.53.124.82.661.32.618.00.6
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 #162972/149351

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels 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 ago9.02012.71662.8712.7169.21910.018116.35
11-20 years ago3.6315.72538.799.2189.9186.82373.87
21-30 years ago0.7712.53822.0124.8266.7226.42343.19
31-40 years ago1.8450.77112.5172.4373.5313.93024.812
41-50 years ago0.7710.410010.6183.8302.8357.82126.111
over 50 years ago3.2330.410022.71223.61110.31859.86120.05
total19.11322.312169.2356.5642.4794.74404.12
outside perimeterless than 10 years ago90.45180.7353.685.22513.8153.930347.62
11-20 years ago41.4831.11035.2104.5279.9183.233125.35
21-30 years ago15.9159.61915.0152.1418.1201.84552.38
31-40 years ago10.1183.93012.4171.4506.0242.14135.910
41-50 years ago5.8252.53810.3182.8352.8351.45025.612
over 50 years ago6.5233.93018.91312.31613.71515.31570.57
total170.12231.62145.3428.11054.3627.710657.21
totalless than 10 years ago99.44193.42116.4517.81323.01113.915463.92
11-20 years ago45.0836.8973.8613.71519.81210.018199.24
21-30 years ago16.61412.01737.096.82214.8158.22095.46
31-40 years ago11.9174.62824.9123.8309.5196.12460.77
41-50 years ago6.5232.83520.9136.5225.7249.21951.68
over 50 years ago9.7194.22941.6935.9824.01175.15190.54
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162973/149352

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGless than 10 years ago..82.63.382.63.3
11-20 years ago..11.62.911.62.9
21-30 years ago..1.71.21.71.2
31-40 years ago......
41-50 years ago..2.51.42.51.4
over 50 years ago..1.71.21.71.2
total..100.0.100.0.
AIless than 10 years ago22.214.216.715.620.010.6
11-20 years ago44.416.950.020.946.713.2
21-30 years ago11.110.8..6.76.6
31-40 years ago..16.715.66.76.6
41-50 years ago11.110.816.715.613.39.0
over 50 years ago11.110.8..6.76.6
total100.0.100.0.100.0.
ARless than 10 years ago42.919.027.810.732.09.5
11-20 years ago28.617.438.911.736.09.8
21-30 years ago28.617.416.78.920.08.1
31-40 years ago..11.17.58.05.5
41-50 years ago......
over 50 years ago..5.65.54.04.0
total100.0.100.0.100.0.
BEless than 10 years ago43.23.760.12.853.82.3
11-20 years ago19.23.018.02.218.41.8
21-30 years ago15.22.77.81.610.61.4
31-40 years ago6.21.85.11.35.51.0
41-50 years ago5.61.73.71.14.40.9
over 50 years ago10.72.35.41.37.41.2
total100.0.100.0.100.0.
BL/BSless than 10 years ago25.021.853.77.651.37.3
11-20 years ago50.025.228.06.929.96.7
21-30 years ago..9.34.58.54.1
31-40 years ago25.021.82.32.34.33.0
41-50 years ago..1.91.91.71.7
over 50 years ago..4.73.34.33.0
total100.0.100.0.100.0.
FRless than 10 years ago49.97.761.85.957.34.7
11-20 years ago16.75.822.05.020.03.8
21-30 years ago..5.92.93.61.8
31-40 years ago16.75.82.92.18.22.6
41-50 years ago7.24.02.92.14.52.0
over 50 years ago9.54.64.42.56.42.3
total100.0.100.0.100.0.
GEless than 10 years ago..62.922.362.922.3
11-20 years ago......
21-30 years ago..37.122.337.122.3
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..100.0.100.0.
GLless than 10 years ago31.610.727.39.629.37.2
11-20 years ago21.19.427.39.624.46.8
21-30 years ago15.88.422.79.019.56.2
31-40 years ago5.35.29.16.27.34.1
41-50 years ago5.35.29.16.27.34.1
over 50 years ago21.19.44.54.512.25.2
total100.0.100.0.100.0.
GRless than 10 years ago18.82.725.03.121.82.0
11-20 years ago20.22.817.52.718.91.9
21-30 years ago14.42.414.92.514.71.8
31-40 years ago8.21.912.52.310.31.5
41-50 years ago7.21.85.51.66.41.2
over 50 years ago31.33.224.53.027.92.2
total100.0.100.0.100.0.
JUless than 10 years ago61.910.654.66.256.45.3
11-20 years ago23.89.321.25.121.94.4
21-30 years ago..10.63.88.12.9
31-40 years ago4.84.77.63.36.92.7
41-50 years ago4.84.72.92.03.31.9
over 50 years ago4.84.73.02.13.52.0
total100.0.100.0.100.0.
LUless than 10 years ago28.69.965.34.759.24.4
11-20 years ago42.910.822.04.125.53.9
21-30 years ago19.08.64.02.06.52.2
31-40 years ago9.56.45.72.36.42.2
41-50 years ago..1.91.31.61.1
over 50 years ago..1.01.00.80.8
total100.0.100.0.100.0.
NEless than 10 years ago80.017.977.04.677.24.5
11-20 years ago..13.73.812.93.6
21-30 years ago..2.81.92.61.8
31-40 years ago..5.32.65.02.4
41-50 years ago......
over 50 years ago20.018.01.21.22.31.6
total100.0.100.0.100.0.
NWless than 10 years ago..27.313.717.69.4
11-20 years ago66.719.536.414.847.112.3
21-30 years ago16.715.59.18.911.88.0
31-40 years ago......
41-50 years ago......
over 50 years ago16.715.527.313.723.510.5
total100.0.100.0.100.0.
OWless than 10 years ago60.910.325.18.341.27.0
11-20 years ago8.75.925.18.317.75.4
21-30 years ago..10.45.75.73.2
31-40 years ago..3.63.62.02.0
41-50 years ago4.34.314.36.79.84.2
over 50 years ago26.19.221.57.823.66.0
total100.0.100.0.100.0.
SGless than 10 years ago36.05.653.26.443.84.3
11-20 years ago30.75.314.54.523.43.6
21-30 years ago12.03.89.73.810.92.7
31-40 years ago6.72.98.13.57.32.2
41-50 years ago2.71.91.61.62.21.3
over 50 years ago12.03.812.94.312.42.8
total100.0.100.0.100.0.
SHless than 10 years ago..52.88.452.88.4
11-20 years ago..33.37.933.37.9
21-30 years ago..11.15.311.15.3
31-40 years ago......
41-50 years ago......
over 50 years ago..2.82.82.82.8
total..100.0.100.0.
SOless than 10 years ago50.025.155.75.655.45.5
11-20 years ago..27.85.126.54.9
21-30 years ago..1.31.31.21.2
31-40 years ago..6.32.86.02.6
41-50 years ago..2.51.82.41.7
over 50 years ago50.025.16.32.88.43.1
total100.0.100.0.100.0.
SZless than 10 years ago52.88.431.47.942.35.9
11-20 years ago16.76.222.97.119.74.7
21-30 years ago8.34.62.92.85.62.8
31-40 years ago8.34.65.73.97.03.1
41-50 years ago8.34.68.64.88.43.3
over 50 years ago5.63.828.67.716.94.5
total100.0.100.0.100.0.
TGless than 10 years ago30.014.679.65.272.65.3
11-20 years ago30.014.610.03.912.84.0
21-30 years ago40.015.68.33.612.84.0
31-40 years ago..2.12.11.81.8
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
TIless than 10 years ago9.02.015.84.810.51.9
11-20 years ago7.11.812.34.48.21.7
21-30 years ago5.21.53.52.44.91.3
31-40 years ago3.81.35.33.04.11.2
41-50 years ago8.51.95.33.07.81.6
over 50 years ago66.43.357.86.664.62.9
total100.0.100.0.100.0.
URless than 10 years ago33.19.637.011.234.97.3
11-20 years ago20.78.35.25.113.85.3
21-30 years ago8.96.010.47.09.54.6
31-40 years ago16.67.65.25.111.54.9
41-50 years ago4.14.116.38.69.54.6
over 50 years ago16.67.625.910.120.76.2
total100.0.100.0.100.0.
VDless than 10 years ago31.16.948.83.545.63.2
11-20 years ago24.56.422.32.922.72.7
21-30 years ago17.85.710.52.211.82.1
31-40 years ago4.53.15.51.65.31.4
41-50 years ago6.73.76.51.76.51.6
over 50 years ago15.45.46.51.78.11.7
total100.0.100.0.100.0.
VSless than 10 years ago22.33.119.14.221.22.5
11-20 years ago16.32.716.94.016.52.2
21-30 years ago9.22.17.82.88.81.7
31-40 years ago4.31.54.52.24.41.2
41-50 years ago8.12.09.13.18.51.7
over 50 years ago39.73.642.65.240.63.0
total100.0.100.0.100.0.
ZGless than 10 years ago100.0.100.0.100.0.
11-20 years ago......
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
ZHless than 10 years ago33.327.374.33.773.43.7
11-20 years ago33.327.316.43.116.83.1
21-30 years ago..5.72.05.61.9
31-40 years ago..3.61.63.51.5
41-50 years ago......
over 50 years ago33.327.3..0.70.7
total100.0.100.0.100.0.
Switzerlandless than 10 years ago28.91.352.91.143.80.8
11-20 years ago18.21.119.10.918.80.7
21-30 years ago10.50.98.00.68.90.5
31-40 years ago6.10.75.40.55.70.4
41-50 years ago6.50.73.90.54.90.4
over 50 years ago29.71.310.70.718.00.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162974/149353

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago..40.2540.25
11-20 years ago..5.6255.625
21-30 years ago..0.8700.870
31-40 years ago......
41-50 years ago..1.2571.257
over 50 years ago..0.8700.870
total..48.7248.72
AIless than 10 years ago0.6690.31001.054
11-20 years ago1.3451.0542.330
21-30 years ago0.3100..0.3100
31-40 years ago..0.31000.3100
41-50 years ago0.31000.31000.669
over 50 years ago0.3100..0.3100
total2.9241.9344.811
ARless than 10 years ago1.0551.6412.630
11-20 years ago0.6692.2332.928
21-30 years ago0.6691.0551.641
31-40 years ago..0.6690.669
41-50 years ago......
over 50 years ago..0.31000.3100
total2.2335.8148.05
BEless than 10 years ago26.31160.9687.25
11-20 years ago11.71718.21329.910
21-30 years ago9.3197.92017.114
31-40 years ago3.8305.1258.919
41-50 years ago3.4313.8307.221
over 50 years ago6.5235.52512.016
total60.96101.34162.32
BL/BSless than 10 years ago0.41009.4169.815
11-20 years ago0.8704.9265.723
21-30 years ago..1.6491.649
31-40 years ago0.41000.41000.870
41-50 years ago..0.31000.3100
over 50 years ago..0.8700.870
total1.64917.5819.16
FRless than 10 years ago7.82015.71323.59
11-20 years ago2.6375.6248.220
21-30 years ago..1.5491.549
31-40 years ago2.6370.7703.432
41-50 years ago1.1570.7701.944
over 50 years ago1.5491.1572.637
total15.71325.4841.13
GEless than 10 years ago..1.4481.448
11-20 years ago......
21-30 years ago..0.8710.871
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..2.2342.234
GLless than 10 years ago2.3392.3394.626
11-20 years ago1.5492.3393.929
21-30 years ago1.2571.9433.133
31-40 years ago0.41000.8701.257
41-50 years ago0.41000.8701.257
over 50 years ago1.5490.41001.943
total7.3198.51715.88
GRless than 10 years ago13.61517.41331.110
11-20 years ago14.71512.21626.911
21-30 years ago10.51810.41820.912
31-40 years ago5.9248.72014.715
41-50 years ago5.2253.8309.119
over 50 years ago22.71217.11439.88
total72.6569.76142.33
JUless than 10 years ago5.12614.01319.110
11-20 years ago1.9445.5257.420
21-30 years ago..2.7362.736
31-40 years ago0.41001.9442.340
41-50 years ago0.41000.7711.158
over 50 years ago0.41000.8701.257
total8.21925.7733.93
LUless than 10 years ago1.94021.4923.38
11-20 years ago2.8327.21910.016
21-30 years ago1.3491.3502.635
31-40 years ago0.6701.9402.534
41-50 years ago..0.6700.670
over 50 years ago..0.31000.3100
total6.62032.8539.33
NEless than 10 years ago1.34919.9721.17
11-20 years ago..3.5283.528
21-30 years ago..0.7710.771
31-40 years ago..1.4501.450
41-50 years ago......
over 50 years ago0.31000.31000.670
total1.64425.8527.44
NWless than 10 years ago..1.2551.255
11-20 years ago1.5461.5463.129
21-30 years ago0.41000.41000.869
31-40 years ago......
41-50 years ago......
over 50 years ago0.41001.2551.546
total2.3364.2226.513
OWless than 10 years ago5.2232.6367.817
11-20 years ago0.7702.6363.431
21-30 years ago..1.1571.157
31-40 years ago..0.41000.4100
41-50 years ago0.41001.5491.943
over 50 years ago2.2392.2394.526
total8.61610.41419.04
SGless than 10 years ago9.81811.91621.711
11-20 years ago8.3203.23311.616
21-30 years ago3.2332.2405.425
31-40 years ago1.8441.8443.631
41-50 years ago0.7700.41001.157
over 50 years ago3.3332.9356.123
total27.1922.41049.54
SHless than 10 years ago..6.8166.816
11-20 years ago..4.3244.324
21-30 years ago..1.4481.448
31-40 years ago......
41-50 years ago......
over 50 years ago..0.41000.4100
total..12.8312.83
SOless than 10 years ago0.87016.71117.411
11-20 years ago..8.3198.319
21-30 years ago..0.41000.4100
31-40 years ago..1.9441.944
41-50 years ago..0.8700.870
over 50 years ago0.8701.9442.636
total1.54929.9431.44
SZless than 10 years ago6.9214.02810.915
11-20 years ago2.2402.9345.125
21-30 years ago1.1570.41001.449
31-40 years ago1.1570.7701.844
41-50 years ago1.1571.1572.240
over 50 years ago0.7703.6304.327
total13.01312.71325.75
TGless than 10 years ago0.95714.3915.28
11-20 years ago0.9571.8392.731
21-30 years ago1.2491.5432.731
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago......
total3.03018.0621.04
TIless than 10 years ago6.8223.23310.018
11-20 years ago5.4252.5377.921
21-30 years ago3.9300.7714.727
31-40 years ago2.9351.1583.930
41-50 years ago6.4231.1587.521
over 50 years ago50.1711.81761.96
total75.5520.41295.94
URless than 10 years ago2.6342.4375.024
11-20 years ago1.7430.31002.039
21-30 years ago0.7710.7701.450
31-40 years ago1.3490.31001.744
41-50 years ago0.31001.0581.450
over 50 years ago1.3491.7443.031
total8.0176.42114.311
VDless than 10 years ago5.32637.2842.57
11-20 years ago4.23017.01421.212
21-30 years ago3.0358.02111.018
31-40 years ago0.8714.2304.927
41-50 years ago1.1584.9276.124
over 50 years ago2.6384.9277.522
total17.11476.2493.23
VSless than 10 years ago14.1155.82419.912
11-20 years ago10.3185.22515.414
21-30 years ago5.8242.4388.220
31-40 years ago2.7351.4504.128
41-50 years ago5.1252.8357.920
over 50 years ago25.01113.01538.18
total63.1530.6993.73
ZGless than 10 years ago3.9211.7445.69
11-20 years ago......
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago......
total3.9211.7445.69
ZHless than 10 years ago0.410036.7637.05
11-20 years ago0.41008.1198.519
21-30 years ago..2.8352.835
31-40 years ago..1.8441.844
41-50 years ago......
over 50 years ago0.4100..0.4100
total1.15749.3250.42
Switzerlandless than 10 years ago116.95349.02465.82
11-20 years ago73.57126.15199.64
21-30 years ago42.5952.6895.16
31-40 years ago24.71235.81060.57
41-50 years ago26.11125.91251.98
over 50 years ago120.1570.97191.04
total403.82660.211064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162975/149354

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimeterless than 10 years ago48.26.850.08.347.53.024.41.910.31.928.91.3
11-20 years ago18.55.327.87.523.92.620.11.87.31.618.31.1
21-30 years ago3.72.613.95.89.31.713.91.56.91.610.60.9
31-40 years ago9.33.92.82.76.41.56.81.14.21.26.10.7
41-50 years ago3.72.62.82.74.31.27.41.28.01.76.40.7
over 50 years ago16.75.12.82.78.61.727.42.063.43.029.61.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago55.42.376.81.742.72.927.92.313.43.952.91.1
11-20 years ago24.72.013.21.426.72.617.11.910.73.619.10.9
21-30 years ago8.11.25.10.97.31.512.81.76.72.97.90.6
31-40 years ago4.81.02.30.69.01.78.01.48.03.15.50.5
41-50 years ago3.70.90.80.45.91.47.11.35.32.63.90.4
over 50 years ago3.30.81.80.58.31.627.02.255.95.710.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago54.72.275.31.745.12.126.01.511.01.743.80.8
11-20 years ago24.11.814.01.425.31.818.81.38.01.518.80.7
21-30 years ago7.61.15.60.98.31.213.41.16.81.49.00.5
31-40 years ago5.21.02.30.67.71.17.40.95.01.25.70.4
41-50 years ago3.70.80.90.45.10.97.30.97.41.44.90.4
over 50 years ago4.70.91.90.58.51.227.21.561.72.717.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162976/149355

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago9.5196.32347.9843.289.619116.65
11-20 years ago3.6313.53124.11235.696.72273.67
21-30 years ago0.7711.8459.41924.6126.42342.89
31-40 years ago1.8450.41006.52312.1173.93024.712
41-50 years ago0.7710.41004.32913.1167.42125.911
over 50 years ago3.3330.41008.72048.4858.86119.55
total19.71312.716100.95177.0392.84403.12
outside perimeterless than 10 years ago97.55164.1344.3838.493.531347.92
11-20 years ago43.4828.11127.71123.6122.835125.75
21-30 years ago14.21610.9187.62217.7141.84552.28
31-40 years ago8.4204.9279.41911.1172.14135.910
41-50 years ago6.6231.8456.1249.7191.45025.612
over 50 years ago5.8253.9308.72037.1914.81570.37
total176.02213.62103.84137.6426.511657.51
totalless than 10 years ago107.04170.4392.3581.7613.116464.42
11-20 years ago47.1831.61051.9759.179.619199.34
21-30 years ago15.01512.71616.91442.298.12095.06
31-40 years ago10.2185.32615.91523.2126.02460.67
41-50 years ago7.3222.14110.51822.9128.82051.58
over 50 years ago9.1204.22917.31485.5673.65189.84
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162977/149356

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago48.95.341.43.040.93.722.33.119.73.210.31.928.81.3
11-20 years ago22.24.421.22.524.63.216.32.724.23.47.31.618.31.1
21-30 years ago7.82.813.62.111.22.49.22.114.62.86.91.610.70.9
31-40 years ago6.72.66.61.57.52.04.31.58.92.34.21.26.20.7
41-50 years ago3.31.95.51.44.51.58.12.07.62.18.01.76.40.7
over 50 years ago11.13.311.71.911.22.439.73.624.93.563.43.029.61.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago67.31.442.73.137.03.819.14.227.03.313.43.953.01.1
11-20 years ago18.31.223.92.722.23.316.94.018.72.910.73.619.10.9
21-30 years ago6.40.78.61.810.02.47.82.814.72.66.72.97.90.6
31-40 years ago3.40.57.51.68.12.24.52.212.12.48.03.15.40.5
41-50 years ago2.10.46.71.66.31.99.13.15.51.75.32.63.90.4
over 50 years ago2.50.510.61.916.32.942.65.221.93.155.95.710.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago65.91.442.02.139.12.721.22.523.62.311.01.743.80.8
11-20 years ago18.61.122.51.823.52.316.52.221.32.28.01.518.80.7
21-30 years ago6.50.711.21.410.71.78.81.714.71.96.81.49.00.5
31-40 years ago3.60.57.01.17.81.54.41.210.61.75.01.25.70.4
41-50 years ago2.20.46.11.05.31.28.51.76.51.37.41.44.90.4
over 50 years ago3.10.511.21.413.61.940.63.023.32.361.72.717.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162978/149357

NFI4b

forest area: protection forest perimeter SilvaProtect · crown closure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectcrown closure %± %± %± %± %± %±
inside perimetern/a..2.01.92.60.92.50.61.40.72.10.4
crowded32.04.639.26.827.72.623.41.738.52.928.91.2
normal33.04.633.46.624.42.517.91.619.62.321.51.1
loose10.73.013.74.89.11.68.11.16.31.48.40.8
open12.63.35.93.315.02.018.51.612.31.915.41.0
scattered2.91.72.01.97.81.59.41.26.21.47.60.7
grouped crowded....3.31.05.00.95.91.44.20.5
grouped normal2.91.7..3.91.17.61.17.01.56.00.6
heterogeneous5.82.33.92.76.21.47.61.12.81.06.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetern/a0.70.40.80.41.90.82.91.0..1.30.3
crowded29.82.229.21.923.82.614.82.031.46.525.91.1
normal34.62.339.12.031.42.914.42.021.75.831.71.1
loose10.21.513.01.46.51.511.51.8..10.50.8
open13.21.612.61.414.62.218.72.217.75.414.30.9
scattered3.70.93.20.75.71.417.42.211.84.56.60.6
grouped crowded0.70.40.30.23.41.17.91.57.63.62.50.4
grouped normal1.20.50.70.36.51.56.91.55.93.33.00.4
heterogeneous6.01.11.00.46.11.55.61.33.92.74.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.90.42.30.62.70.51.20.61.70.2
crowded30.22.030.01.825.91.820.51.337.42.627.30.8
normal34.32.138.71.927.61.916.71.219.92.227.10.8
loose10.31.313.01.37.91.19.21.05.31.29.50.5
open13.11.512.11.314.81.518.61.313.11.814.80.6
scattered3.50.83.10.76.91.112.11.17.11.47.00.5
grouped crowded0.60.30.30.23.30.85.90.86.21.33.30.3
grouped normal1.50.50.60.35.10.97.40.96.81.44.30.4
heterogeneous6.01.01.20.46.21.06.90.83.00.94.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162979/149358

NFI4b

forest area: protection forest perimeter SilvaProtect · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..0.41002.9355.2261.4509.919
crowded12.0177.02230.61048.8839.08137.55
normal12.4176.02427.01137.3919.813102.66
loose4.0302.53810.11816.9146.42339.99
open4.7271.15816.61438.7912.41673.57
scattered1.1580.41008.62019.7136.32336.110
grouped crowded....3.63110.4186.02420.013
grouped normal1.158..4.32915.9147.12228.411
heterogeneous2.2410.7716.82315.9142.83528.511
total37.6917.914110.74208.93101.34476.32
outside of perimetern/a1.1581.8451.8453.133..7.821
crowded47.1860.8722.41215.6155.725151.54
normal54.8781.5529.61015.2153.930185.04
loose16.11527.0116.12412.117..61.47
open20.81326.41113.71619.8133.23383.86
scattered5.8256.7235.42618.4132.14138.59
grouped crowded1.1580.7713.2338.3201.45014.715
grouped normal1.8451.4506.1247.3221.15817.714
heterogeneous9.5192.1415.8255.9240.77123.912
total158.13208.4294.15105.8518.013584.32
totaln/a1.1582.1414.7288.3201.45017.714
crowded59.1767.8653.0764.4744.68289.03
normal67.2687.5556.6752.6823.711287.63
loose20.11329.51016.21429.1116.423101.36
open25.51127.41130.31058.4715.614157.34
scattered6.9237.02214.11638.198.42074.67
grouped crowded1.1580.7716.82318.7137.42134.710
grouped normal2.9351.45010.41823.2128.12046.19
heterogeneous11.7172.83512.61621.8123.53152.48
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162980/149359

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a28.61192.0556.1661.0653.1790.34381.12
insects0.7712.9352.141..0.7710.7717.122
fungi..............
windthrow1.8452.9351.7441.4500.7710.41008.820
snow load....1.4500.7710.7710.7713.532
avalanches..........0.7710.771
landslides0.771..0.3100......1.158
flooding..............
forest fire..............
loss of vitality0.41000.771........1.158
others..............
total32.21098.4561.6663.1555.2692.84403.32
outside perimetern/a330.2284.4550.6729.61061.8625.511581.92
insects24.3124.7271.058..0.771..30.711
fungi2.935..0.3100......3.233
windthrow17.9142.2410.7710.3100..0.77121.813
snow load6.4230.7711.7440.7711.4500.410011.318
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality6.124..0.771......6.823
others2.141..........2.141
total389.9192.0555.0630.6963.9626.511657.91
totaln/a358.82176.32106.7390.64114.83115.73962.91
insects25.0127.6213.133..1.4500.77137.89
fungi2.935..0.3100......3.233
windthrow19.7135.0262.4381.7440.7711.15830.611
snow load6.4230.7713.1331.4502.1411.15814.815
avalanches..........0.7710.771
landslides0.771..0.3100......1.158
flooding..............
forest fire..............
loss of vitality6.4230.7710.771......7.821
others2.141..........2.141
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162981/149360

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncause of salvage logging %± %± %±
Western Juran/a88.04.691.31.590.91.4
insects4.02.84.41.14.31.0
fungi......
windthrow6.03.42.50.82.90.8
snow load..0.30.30.20.2
avalanches......
landslides......
flooding......
forest fire......
loss of vitality2.02.01.60.71.70.6
others......
total100.0.100.0.100.0.
Eastern Juran/a75.021.779.13.879.03.8
insects..3.51.73.41.7
fungi..1.71.21.71.2
windthrow25.021.78.72.69.32.7
snow load..2.61.52.51.4
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..3.51.73.41.7
others..0.90.90.80.8
total100.0.100.0.100.0.
Western Plateaun/a91.38.384.73.585.33.3
insects..6.72.56.12.2
fungi......
windthrow8.78.33.81.94.21.9
snow load..1.01.00.90.9
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.91.31.71.2
others..1.91.31.71.2
total100.0.100.0.100.0.
Central Plateaun/a91.78.081.42.782.02.6
insects..9.52.09.01.9
fungi..1.00.70.90.6
windthrow..4.81.54.51.4
snow load..1.90.91.80.9
avalanches......
landslides8.38.0..0.50.5
flooding......
forest fire......
loss of vitality..1.40.81.40.8
others......
total100.0.100.0.100.0.
Eastern Plateaun/a92.96.881.02.381.52.2
insects..7.11.56.81.4
fungi..1.40.71.30.6
windthrow..5.81.45.51.3
snow load..3.11.02.91.0
avalanches......
landslides7.16.9..0.30.3
flooding......
forest fire......
loss of vitality..0.70.50.60.5
others..1.00.61.00.6
total100.0.100.0.100.0.
Western Pre-Alpsn/a94.92.996.12.795.52.0
insects1.71.7..0.90.9
fungi......
windthrow3.42.43.92.73.61.8
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Central Pre-Alpsn/a93.52.290.72.592.01.7
insects4.01.87.92.36.11.5
fungi......
windthrow1.61.1..0.80.5
snow load..1.41.00.80.5
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.80.8..0.40.4
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a87.63.490.63.089.12.2
insects5.22.22.11.53.61.3
fungi..1.01.00.50.5
windthrow3.11.81.01.02.11.0
snow load3.11.84.22.03.61.3
avalanches......
landslides1.01.0..0.50.5
flooding......
forest fire......
loss of vitality..1.01.00.50.5
others......
total100.0.100.0.100.0.
Northwestern Alpsn/a92.22.890.53.791.52.3
insects2.21.63.22.22.61.3
fungi......
windthrow4.42.26.33.15.21.8
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality1.11.1..0.70.7
others......
total100.0.100.0.100.0.
Central Alpsn/a90.65.293.84.392.23.4
insects......
fungi......
windthrow6.24.33.13.14.72.6
snow load3.13.1..1.61.6
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..3.13.11.61.6
others......
total100.0.100.0.100.0.
Northeastern Alpsn/a98.02.093.54.496.32.1
insects2.02.03.23.22.51.8
fungi......
windthrow......
snow load..3.23.21.21.2
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Southwestern Alpsn/a96.71.396.61.996.71.1
insects......
fungi......
windthrow2.21.11.11.11.80.8
snow load1.10.82.21.61.50.7
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Southeastern Alpsn/a96.21.596.71.396.51.0
insects1.30.91.10.81.20.6
fungi......
windthrow1.30.9..0.60.4
snow load1.30.92.21.11.80.7
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Southern Alpsn/a97.31.096.02.397.00.9
insects0.80.5..0.60.4
fungi......
windthrow0.40.42.71.90.90.5
snow load0.80.51.31.30.90.5
avalanches0.80.5..0.60.4
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Switzerlandn/a94.50.788.50.790.80.5
insects1.80.44.60.53.50.3
fungi..0.50.20.30.1
windthrow2.20.43.30.42.90.3
snow load0.90.31.70.31.40.2
avalanches0.20.1..0.10.0
landslides0.30.1..0.10.1
flooding......
forest fire......
loss of vitality0.30.21.00.20.70.2
others..0.30.10.20.1
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162982/149361

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncause of salvage logging1000 ha± %1000 ha± %1000 ha± %
Western Juran/a15.714119.63135.32
insects0.7715.7256.423
fungi......
windthrow1.1583.2334.329
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.41002.1412.538
others......
total17.813131.03148.92
Eastern Juran/a1.25735.9637.15
insects..1.6491.649
fungi..0.8700.870
windthrow0.41004.0304.429
snow load..1.2571.257
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.6491.649
others..0.41000.4100
total1.64945.4347.03
Western Plateaun/a3.73236.5640.25
insects..2.9372.937
fungi......
windthrow0.41001.6492.044
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.8700.870
others..0.8700.870
total4.13143.1547.24
Central Plateaun/a3.43052.9456.34
insects..6.2216.221
fungi..0.6710.671
windthrow..3.1313.131
snow load..1.2501.250
avalanches......
landslides0.3100..0.3100
flooding......
forest fire......
loss of vitality..0.9570.957
others......
total3.72865.0368.72
Eastern Plateaun/a4.62785.1389.73
insects..7.5217.521
fungi..1.4501.450
windthrow..6.1246.124
snow load..3.2333.233
avalanches......
landslides0.4100..0.4100
flooding......
forest fire......
loss of vitality..0.7710.771
others..1.1581.158
total5.026105.12110.12
Western Pre-Alpsn/a20.71018.51139.25
insects0.4100..0.4100
fungi......
windthrow0.7700.7701.549
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total21.81019.21141.14
Central Pre-Alpsn/a41.6745.5787.13
insects1.8443.9305.724
fungi......
windthrow0.771..0.771
snow load..0.7710.771
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.4100..0.4100
others......
total44.5750.2694.72
Eastern Pre-Alpsn/a30.4931.1861.44
insects1.8440.7712.537
fungi..0.41000.4100
windthrow1.1570.41001.450
snow load1.1571.4502.537
avalanches......
landslides0.4100..0.4100
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total34.6834.3868.93
Northwestern Alpsn/a29.6820.41250.05
insects0.7710.7711.450
fungi......
windthrow1.4501.4502.935
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.4100..0.4100
others......
total32.1822.51154.74
Central Alpsn/a10.01610.41620.49
insects......
fungi......
windthrow0.7700.31001.057
snow load0.3100..0.3100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.31000.3100
others......
total11.01511.11522.18
Northeastern Alpsn/a17.21110.41627.67
insects0.41000.41000.770
fungi......
windthrow......
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total17.61111.11528.76
Southwestern Alpsn/a61.0629.61090.64
insects......
fungi......
windthrow1.4500.31001.744
snow load0.7710.7711.450
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total63.1530.6993.73
Southeastern Alpsn/a53.1761.86114.83
insects0.7710.7711.450
fungi......
windthrow0.771..0.771
snow load0.7711.4502.141
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total55.2663.96119.03
Southern Alpsn/a90.3425.511115.73
insects0.771..0.771
fungi......
windthrow0.41000.7711.158
snow load0.7710.41001.158
avalanches0.771..0.771
landslides......
flooding......
forest fire......
loss of vitality......
others......
total92.8426.511119.33
Switzerlandn/a382.52583.02965.61
insects7.12230.31137.510
fungi..3.2333.233
windthrow8.92021.91330.811
snow load3.53211.41814.915
avalanches0.771..0.771
landslides1.058..1.058
flooding......
forest fire......
loss of vitality1.1586.9238.021
others..2.3412.341
total404.92659.011063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162983/149362

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels 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 ago15.71540.7925.21114.11510.9179.619116.25
11-20 years ago7.22220.91315.21410.31813.4166.72273.67
21-30 years ago2.53813.3166.9225.8248.1206.42343.19
31-40 years ago2.1416.5234.6282.7354.9263.93024.812
41-50 years ago1.1585.4262.8355.1254.2287.42126.011
over 50 years ago3.63211.5176.92225.01113.71558.86119.65
total32.21098.4561.6663.1555.2692.84403.32
outside perimeterless than 10 years ago262.5239.3920.4125.82417.2133.531348.82
11-20 years ago71.2722.01212.2165.22512.0172.835125.45
21-30 years ago25.0127.9215.5252.4389.4191.84552.18
31-40 years ago13.2166.9234.5271.4507.7212.14135.810
41-50 years ago8.2216.1243.5312.8353.5311.45025.512
over 50 years ago9.7199.7199.01913.01514.01514.81570.27
total389.9192.0555.0630.6963.9626.511657.91
totalless than 10 years ago278.3280.1545.6719.91228.11013.116465.02
11-20 years ago78.4642.9827.41015.41425.3119.619199.04
21-30 years ago27.51121.31212.4168.22017.5138.12095.16
31-40 years ago15.41513.3169.1194.12812.7166.02460.67
41-50 years ago9.31911.5176.2237.9207.7218.82051.58
over 50 years ago13.21621.31215.91438.1827.71073.65189.84
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162984/149363
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