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NFI3

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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes) %± %± %±
Western Jura< 1%12.411.75.91.26.01.2
1-4%12.411.78.11.38.21.3
5-9%25.415.511.31.611.51.6
10-25%37.317.128.12.228.32.2
26-50%..20.82.020.42.0
51-75%12.411.713.51.713.41.7
76-100%..12.51.612.21.6
total100.0.100.0.100.0.
Eastern Jura< 1%..5.12.05.02.0
1-4%..10.22.810.12.8
5-9%..9.32.79.32.7
10-25%..19.43.619.23.6
26-50%100.0.18.73.619.43.6
51-75%..11.93.011.83.0
76-100%..25.54.025.24.0
total100.0.100.0.100.0.
Western Plateau< 1%..2.61.52.61.5
1-4%..8.72.68.72.6
5-9%..9.62.89.62.8
10-25%..28.74.228.74.2
26-50%..26.14.126.14.1
51-75%..10.52.910.52.9
76-100%..13.73.213.73.2
total..100.0.100.0.
Central Plateau< 1%..2.31.02.31.0
1-4%..7.31.77.21.7
5-9%..11.92.211.82.2
10-25%..24.72.924.62.9
26-50%100.0.23.62.923.92.9
51-75%..14.12.314.02.3
76-100%..16.32.516.22.5
total100.0.100.0.100.0.
Eastern Plateau< 1%..3.91.13.91.1
1-4%..7.51.57.51.5
5-9%..8.41.68.41.6
10-25%..22.72.422.72.4
26-50%..20.52.320.52.3
51-75%..15.92.115.92.1
76-100%..21.12.321.12.3
total..100.0.100.0.
Western Pre-Alps< 1%..4.52.04.52.0
1-4%..12.73.212.63.2
5-9%..17.33.617.13.6
10-25%100.0.21.83.922.54.0
26-50%..32.74.532.44.5
51-75%..8.22.68.12.6
76-100%..2.71.62.71.5
total100.0.100.0.100.0.
Central Pre-Alps< 1%..1.90.91.90.8
1-4%..6.91.66.81.6
5-9%25.021.714.22.214.42.2
10-25%25.021.739.23.039.03.0
26-50%25.021.723.52.623.52.6
51-75%..8.11.78.01.7
76-100%25.021.76.21.56.41.5
total100.0.100.0.100.0.
Eastern Pre-Alps< 1%..4.21.54.11.4
1-4%..15.82.615.52.6
5-9%33.327.315.82.716.12.6
10-25%..27.43.226.93.2
26-50%..19.52.919.22.8
51-75%66.727.310.52.211.42.3
76-100%..6.81.86.71.8
total100.0.100.0.100.0.
Northwestern Alps< 1%8.38.02.81.43.31.4
1-4%25.012.510.62.611.82.6
5-9%16.710.820.53.420.23.3
10-25%25.012.532.64.032.03.8
26-50%..17.03.215.72.9
51-75%8.38.09.22.49.22.3
76-100%16.710.87.12.27.82.2
total100.0.100.0.100.0.
Central Alps< 1%10.09.55.53.16.23.0
1-4%10.09.57.43.67.83.4
5-9%20.012.722.15.721.85.2
10-25%30.014.637.06.635.96.0
26-50%20.012.714.74.815.64.5
51-75%10.09.59.44.09.53.7
76-100%..3.82.73.22.3
total100.0.100.0.100.0.
Northeastern Alps< 1%11.110.59.93.510.03.4
1-4%11.110.59.93.610.03.4
5-9%33.315.815.54.317.54.3
10-25%22.213.929.65.428.85.1
26-50%..19.74.717.54.3
51-75%11.110.57.03.07.53.0
76-100%11.110.58.43.38.73.2
total100.0.100.0.100.0.
Southwestern Alps< 1%..3.21.12.91.0
1-4%4.24.110.92.010.31.8
5-9%41.810.121.32.623.12.6
10-25%20.88.338.13.136.62.9
26-50%24.98.818.52.519.02.4
51-75%4.24.16.81.66.61.5
76-100%4.24.11.20.71.50.7
total100.0.100.0.100.0.
Southeastern Alps< 1%16.715.23.91.14.11.1
1-4%..18.62.118.32.1
5-9%16.715.219.52.219.52.2
10-25%33.319.331.62.631.62.5
26-50%33.319.318.92.119.22.1
51-75%..4.81.24.71.2
76-100%..2.70.92.60.9
total100.0.100.0.100.0.
Southern Alps< 1%..1.30.61.20.6
1-4%17.47.115.62.115.82.0
5-9%13.86.423.72.422.82.3
10-25%48.29.334.12.735.42.6
26-50%6.94.715.62.114.81.9
51-75%10.35.76.81.47.11.4
76-100%3.43.42.91.03.00.9
total100.0.100.0.100.0.
Switzerland< 1%4.62.03.70.43.80.3
1-4%11.23.011.10.611.10.6
5-9%24.04.115.50.715.80.7
10-25%31.54.529.90.830.00.8
26-50%13.73.320.40.820.20.7
51-75%9.32.810.00.69.90.5
76-100%5.62.29.40.59.20.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160441/146820

NFI3

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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
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%0.41008.6208.920
1-4%0.410011.81712.117
5-9%0.77116.41417.214
10-25%1.15841.0842.18
26-50%..30.31030.310
51-75%0.410019.61320.013
76-100%..18.21318.213
total2.935146.02148.92
Eastern Jura< 1%..2.4402.440
1-4%..4.7284.728
5-9%..4.4294.429
10-25%..9.0199.019
26-50%0.41008.7199.119
51-75%..5.5255.525
76-100%..11.91611.916
total0.410046.6347.03
Western Plateau< 1%..1.2571.257
1-4%..4.1304.130
5-9%..4.5294.529
10-25%..13.51513.515
26-50%..12.31612.316
51-75%..4.9284.928
76-100%..6.5246.524
total..47.2447.24
Central Plateau< 1%..1.5441.544
1-4%..5.0245.024
5-9%..8.1198.119
10-25%..16.91216.912
26-50%0.310016.11216.412
51-75%..9.6179.617
76-100%..11.21511.215
total0.310068.4268.72
Eastern Plateau< 1%..4.3284.328
1-4%..8.2208.220
5-9%..9.3199.319
10-25%..25.01125.011
26-50%..22.51122.511
51-75%..17.51317.513
76-100%..23.21123.211
total..110.12110.12
Western Pre-Alps< 1%..1.8441.844
1-4%..5.2255.225
5-9%..7.0217.021
10-25%0.41008.9199.218
26-50%..13.31413.314
51-75%..3.3323.332
76-100%..1.1571.157
total0.410040.7441.14
Central Pre-Alps< 1%..1.8441.844
1-4%..6.5236.523
5-9%0.410013.31513.615
10-25%0.410036.6836.98
26-50%0.410021.91122.211
51-75%..7.5217.521
76-100%0.41005.7246.124
total1.45093.2394.72
Eastern Pre-Alps< 1%..2.9352.935
1-4%..10.71710.717
5-9%0.410010.71711.117
10-25%..18.61218.612
26-50%..13.21513.215
51-75%0.7717.1217.920
76-100%..4.6274.627
total1.15767.9368.93
Northwestern Alps< 1%0.41001.4501.844
1-4%1.1575.4256.423
5-9%0.77110.41711.117
10-25%1.15716.41317.513
26-50%..8.6198.619
51-75%0.41004.7275.026
76-100%0.7713.6314.328
total4.32850.4554.74
Central Alps< 1%0.31001.0571.449
1-4%0.31001.4491.744
5-9%0.7704.1274.825
10-25%1.0576.9207.919
26-50%0.7702.7343.430
51-75%0.31001.7442.140
76-100%..0.7710.771
total3.43018.61022.18
Northeastern Alps< 1%0.41002.5372.934
1-4%0.41002.5372.935
5-9%1.1573.9295.025
10-25%0.7707.5208.219
26-50%..5.0255.025
51-75%0.41001.8442.140
76-100%0.41002.1402.537
total3.23225.4828.76
Southwestern Alps< 1%..2.7352.735
1-4%0.31009.3199.618
5-9%3.43118.21321.612
10-25%1.74432.6934.39
26-50%2.14115.81417.813
51-75%0.31005.8246.223
76-100%0.31001.0581.450
total8.22085.4493.73
Southeastern Alps< 1%0.41004.6274.926
1-4%..21.81221.812
5-9%0.410022.81223.211
10-25%0.77136.9937.68
26-50%0.77122.11222.811
51-75%..5.6255.625
76-100%..3.1333.133
total2.141116.93119.03
Southern Alps< 1%..1.4501.450
1-4%1.84517.01418.813
5-9%1.45025.81127.210
10-25%5.02637.2942.28
26-50%0.77117.01417.713
51-75%1.1587.4218.520
76-100%0.41003.2333.531
total10.318109.04119.33
Switzerland< 1%1.84538.21040.09
1-4%4.329113.55117.75
5-9%9.120159.04168.14
10-25%12.017307.13319.13
26-50%5.226209.64214.84
51-75%3.532102.36105.86
76-100%2.14196.2698.36
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160442/146821

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration %± %± %± %± %± %± %±
inside perimeterless than 1%11.110.5..10.55.04.44.316.715.2..6.52.4
1-4%33.415.7..21.16.620.88.3..20.87.620.43.9
5-9%11.110.5..18.46.324.98.816.715.213.86.417.53.7
10-25%22.213.950.035.431.67.533.29.633.319.344.89.235.24.6
26-50%11.110.550.035.47.94.48.35.633.319.310.35.711.13.0
51-75%11.110.5..2.62.64.24.1..10.35.75.62.2
76-100%....7.94.44.24.1....3.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%12.81.57.81.08.51.04.91.59.01.75.11.28.50.5
1-4%11.01.413.31.317.31.313.92.322.42.518.82.215.60.7
5-9%17.81.713.31.320.01.422.92.819.82.424.42.418.60.7
10-25%26.01.927.41.729.81.638.13.328.82.830.52.629.10.8
26-50%15.11.618.21.415.31.213.52.315.72.213.01.915.60.7
51-75%9.51.313.31.37.10.96.31.63.01.06.61.48.60.5
76-100%7.71.26.80.91.90.50.40.41.50.71.60.74.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%12.81.57.81.08.60.94.91.49.11.74.71.18.40.5
1-4%11.41.413.21.317.51.314.62.221.92.518.92.115.70.7
5-9%17.71.713.21.320.01.323.12.719.72.423.52.318.60.7
10-25%25.91.927.41.729.91.537.63.128.92.731.72.529.30.8
26-50%15.01.618.21.415.01.213.02.116.02.212.81.815.50.7
51-75%9.51.313.21.36.90.96.11.52.91.06.91.48.50.5
76-100%7.61.26.80.92.10.50.80.61.40.71.50.64.00.4
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 #160443/146822

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 1%0.4100..1.4500.41000.4100..2.538
1-4%1.158..2.8351.744..2.2417.821
5-9%0.4100..2.5382.1410.41001.4506.723
10-25%0.7710.41004.3292.7350.7714.62713.416
26-50%0.41000.41001.1580.7710.7711.1584.229
51-75%0.4100..0.41000.3100..1.1582.141
76-100%....1.1580.3100....1.450
total3.2330.77113.5168.2202.14110.31838.19
outside perimeterless than 1%23.81219.81325.5113.8308.5205.72587.16
1-4%20.51333.61052.2810.61721.11221.012159.14
5-9%33.21033.61060.3717.51318.71327.411190.64
10-25%48.3869.3689.8629.1927.21034.29297.93
26-50%28.11146.0846.2810.31814.81514.515159.94
51-75%17.71433.61021.4134.8262.8357.42187.76
76-100%14.41517.3145.7250.31001.4501.84540.99
total185.92253.21301.1276.4494.63112.131023.21
totalless than 1%24.11219.81327.0114.1288.8195.72589.66
1-4%21.61233.61055.1712.31621.11223.212166.94
5-9%33.51033.61062.8719.51219.11328.810197.34
10-25%49.0869.7694.1531.8927.91038.88311.33
26-50%28.51046.3847.2811.01715.51415.614164.14
51-75%18.01433.61021.8125.1252.8358.52089.96
76-100%14.41517.3146.7230.7711.4501.84542.39
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160444/146823

NFI4b

forest area: altitudinal vegetation zone · protection forest region
unit: %
unit of evaluation: forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zone %± %± %± %± %± %± %±
upper subalpine..2.40.62.40.820.72.125.01.915.91.58.30.4
lower subalpine5.50.734.81.931.12.139.72.537.02.219.01.723.10.7
upper montane11.40.936.61.933.62.222.02.123.51.926.21.923.20.7
lower montane32.31.319.01.623.82.08.31.49.31.313.81.521.00.7
colline/submontane50.81.47.21.09.11.39.31.55.31.025.11.924.50.6
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 #161277/147656

NFI4b

forest area: slope (20% classes) · economic region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
slope (20% classes)
to 20%21-40 %over 100%total
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura48.37106.1691.450155.82
Eastern Jura16.61331.6123..48.22
Western Plateau36.8613.150..49.93
Central Plateau41.1628.6660.310070.12
Eastern Plateau66.8546.9177..113.72
Western Pre-Alps5.92339.9822.93548.73
Central Pre-Alps13.61586.1565.026104.72
Eastern Pre-Alps9.61866.8622.14178.63
Northwestern Alps1.84462.6576.12470.53
Central Alps1.45031.6846.32339.34
Northeastern Alps1.44933.0907.22141.64
Southwestern Alps3.133113.84411.417128.32
Southeastern Alps9.219153.83711.017174.02
Southern Alps4.926153.23627.111185.11
Switzerland260.63966.91581.061308.51

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161278/147657

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder21.51210.91849.0848.9810.318140.65
forwarder8.0214.9264.7275.9242.14125.612
mobile tower yarder4.4291.15826.71158.7714.115105.05
cable crane1.1580.410021.31252.6818.41393.76
helicopter1.1580.410012.61666.6770.16150.74
others2.2410.4100..0.31002.5385.426
total38.3917.914114.34233.03117.53521.02
outside of perimeterskidder98.65124.4453.0742.894.229323.03
forwarder55.5780.557.6219.3191.450154.34
mobile tower yarder6.6235.62518.41322.2122.83555.78
cable crane1.5501.45011.51726.1113.93044.49
helicopter0.41000.410015.51552.3820.41389.06
others1.8451.1581.4500.7713.5328.520
total164.23213.42107.45153.5436.29674.82
totalskidder120.14135.34102.0591.7614.515463.62
forwarder63.5685.4512.31715.2153.531179.94
mobile tower yarder11.0186.72345.1881.0616.914160.64
cable crane2.6381.84532.81078.7622.312138.15
helicopter1.5500.77128.111118.9590.55239.73
others4.0301.4501.4501.1585.92413.916
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161279/147658

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · 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
protection forest perimeter SilvaProtectmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder57.74.034.52.733.53.221.92.719.82.78.71.626.91.1
forwarder23.13.41.90.84.01.32.61.04.01.31.80.74.90.6
mobile tower yarder9.62.429.12.618.42.623.62.825.52.912.01.820.21.0
cable crane2.61.321.12.325.22.910.32.029.13.015.72.018.01.0
helicopter2.61.313.41.918.82.741.33.221.52.859.62.729.01.1
others4.51.7....0.40.4..2.10.81.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterskidder59.01.543.13.041.73.832.94.725.53.111.63.247.91.1
forwarder36.01.55.21.44.61.67.02.59.52.13.91.922.90.9
mobile tower yarder3.20.521.32.511.02.413.13.412.92.47.82.78.30.6
cable crane0.80.315.02.211.62.53.01.721.92.910.83.16.60.6
helicopter0.20.115.02.228.63.543.05.030.13.256.44.913.10.7
others0.80.30.40.42.41.21.01.0..9.62.91.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder58.91.438.42.037.12.525.22.422.52.09.41.438.70.8
forwarder34.41.43.40.84.31.03.91.16.61.22.30.715.10.6
mobile tower yarder4.00.625.51.815.21.820.42.219.61.911.01.513.50.6
cable crane1.00.318.31.619.32.08.11.525.72.114.51.711.60.5
helicopter0.50.214.11.423.12.141.82.725.62.158.92.420.00.6
others1.20.30.20.21.00.50.60.4..3.90.91.20.2
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 #161280/147659

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · 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
protection forest perimeter SilvaProtectmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder32.21038.9925.71117.51315.51410.318140.15
forwarder12.9162.2413.1332.1413.2332.14125.512
mobile tower yarder5.42632.81014.11518.91220.01214.115105.35
cable crane1.45023.81219.4138.22022.81118.41394.16
helicopter1.45015.11514.51533.0916.91470.16151.04
others2.538....0.3100..2.5385.326
total55.88112.9476.8579.9478.45117.53521.42
outside of perimeterskidder223.2341.5924.91111.41718.0134.229323.23
forwarder136.345.0262.8352.4376.7221.450154.64
mobile tower yarder12.21720.6136.6224.5279.1192.83555.88
cable crane2.93514.4156.9221.05815.4143.93044.69
helicopter0.77114.41517.11414.81521.21220.41388.76
others2.9350.41001.4500.3100..3.5328.420
total378.2196.3559.7634.5970.4636.29675.32
totalskidder255.4380.4650.6728.81033.5914.515463.32
forwarder149.247.2225.9244.5279.8183.531180.14
mobile tower yarder17.51453.4720.71223.41129.11016.914161.14
cable crane4.32938.2926.3119.31938.3822.312138.75
helicopter2.24129.61031.51047.8738.1990.55239.73
others5.4260.41001.4500.771..5.92413.816
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161281/147660

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionmain type of harvest %± %± %±
Western Juraskidder59.35.266.62.665.12.3
forwarder15.43.827.52.425.02.1
mobile tower yarder12.13.43.81.05.51.1
cable crane3.31.91.20.61.60.6
helicopter3.31.90.30.30.90.5
others6.62.60.60.41.80.6
total100.0.100.0.100.0.
Eastern Juraskidder35.712.838.84.738.44.4
forwarder57.113.253.84.854.24.5
mobile tower yarder7.16.94.62.04.92.0
cable crane......
helicopter......
others..2.81.62.51.4
total100.0.100.0.100.0.
Western Plateauskidder49.414.550.64.950.54.6
forwarder50.614.548.54.948.74.6
mobile tower yarder..0.90.90.80.8
cable crane......
helicopter......
others......
total100.0.100.0.100.0.
Central Plateauskidder68.29.961.13.561.83.3
forwarder22.79.036.03.434.63.2
mobile tower yarder4.54.51.50.91.80.9
cable crane4.54.51.50.91.80.9
helicopter......
others......
total100.0.100.0.100.0.
Eastern Plateauskidder58.811.959.32.859.32.8
forwarder17.69.335.02.834.12.7
mobile tower yarder11.87.84.01.14.41.2
cable crane..0.30.30.30.3
helicopter5.95.70.30.30.60.4
others5.95.71.00.61.30.6
total100.0.100.0.100.0.
Western Pre-Alpsskidder38.85.841.16.939.84.4
forwarder1.41.49.84.24.92.0
mobile tower yarder36.15.721.65.830.14.2
cable crane12.53.915.85.113.93.1
helicopter11.13.79.84.210.62.8
others..1.91.90.80.8
total100.0.100.0.100.0.
Central Pre-Alpsskidder42.04.348.74.145.53.0
forwarder3.11.55.31.84.31.2
mobile tower yarder19.83.521.33.320.62.4
cable crane25.23.812.02.718.22.3
helicopter9.92.612.72.711.41.9
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsskidder46.54.754.65.150.23.4
forwarder7.02.48.32.87.61.8
mobile tower yarder19.33.78.32.814.22.4
cable crane14.93.36.22.410.92.1
helicopter12.33.119.64.015.62.5
others..3.11.81.40.8
total100.0.100.0.100.0.
Northwestern Alpsskidder22.74.031.95.726.23.3
forwarder0.90.91.51.51.10.8
mobile tower yarder35.44.621.25.030.13.5
cable crane21.83.921.25.021.63.1
helicopter19.13.824.25.321.03.1
others......
total100.0.100.0.100.0.
Central Alpsskidder9.24.425.16.916.84.1
forwarder2.32.2..1.21.2
mobile tower yarder31.77.012.35.222.44.5
cable crane27.46.812.55.320.34.4
helicopter29.46.947.47.938.15.3
others..2.72.61.31.3
total100.0.100.0.100.0.
Northeastern Alpsskidder27.05.624.27.526.04.5
forwarder......
mobile tower yarder7.93.418.26.711.53.3
cable crane42.96.327.37.837.55.0
helicopter22.25.330.38.025.04.4
others......
total100.0.100.0.100.0.
Southwestern Alpsskidder21.92.732.94.725.22.4
forwarder2.61.07.02.53.91.1
mobile tower yarder23.62.813.13.420.42.2
cable crane10.32.03.01.78.11.5
helicopter41.33.243.05.041.82.7
others0.40.41.01.00.60.4
total100.0.100.0.100.0.
Southeastern Alpsskidder19.82.725.53.122.52.0
forwarder4.01.39.52.16.61.2
mobile tower yarder25.52.912.92.419.61.9
cable crane29.13.021.92.925.72.1
helicopter21.52.830.13.225.62.1
others......
total100.0.100.0.100.0.
Southern Alpsskidder8.71.611.63.29.41.4
forwarder1.80.73.91.92.30.7
mobile tower yarder12.01.87.82.711.01.5
cable crane15.72.010.83.114.51.7
helicopter59.62.756.44.958.92.4
others2.10.89.62.93.90.9
total100.0.100.0.100.0.
Switzerlandskidder26.91.147.61.138.60.8
forwarder5.00.623.10.915.20.6
mobile tower yarder20.21.08.30.613.50.6
cable crane18.11.06.60.611.60.5
helicopter28.91.113.10.720.00.6
others1.00.31.30.31.20.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161282/147661

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionmain type of harvest1000 ha± %1000 ha± %1000 ha± %
Western Juraskidder19.31381.45100.74
forwarder5.02633.7938.69
mobile tower yarder3.9304.6278.620
cable crane1.1581.4502.538
helicopter1.1580.41001.450
others2.1410.7712.935
total32.59122.23154.72
Eastern Juraskidder2.04416.61318.512
forwarder3.23422.91026.18
mobile tower yarder0.41002.0442.440
cable crane......
helicopter......
others..1.2571.257
total5.52542.7448.22
Western Plateauskidder2.44022.21024.610
forwarder2.54021.31123.710
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others......
total4.92843.9448.73
Central Plateauskidder4.62538.0742.76
forwarder1.54422.41023.99
mobile tower yarder0.31000.9571.250
cable crane0.31000.9571.250
helicopter......
others......
total6.82062.3369.12
Eastern Plateauskidder3.63163.6567.25
forwarder1.15837.5838.68
mobile tower yarder0.7714.3285.026
cable crane..0.41000.4100
helicopter0.41000.41000.771
others0.41001.1581.450
total6.124107.32113.32
Western Pre-Alpsskidder10.3177.72118.112
forwarder0.41001.9442.240
mobile tower yarder9.6184.12913.714
cable crane3.3323.0346.323
helicopter3.0341.9444.826
others..0.41000.4100
total26.6818.81245.54
Central Pre-Alpsskidder19.71226.21045.97
forwarder1.4502.9354.328
mobile tower yarder9.31911.51720.812
cable crane11.8176.52318.313
helicopter4.7276.82211.517
others......
total47.0753.86100.82
Eastern Pre-Alpsskidder18.91218.91237.87
forwarder2.9352.9355.724
mobile tower yarder7.9202.93510.717
cable crane6.1232.1418.220
helicopter5.0266.82211.816
others..1.1581.158
total40.7734.6875.33
Northwestern Alpsskidder8.9197.52116.513
forwarder0.41000.41000.771
mobile tower yarder13.9145.02618.912
cable crane8.6195.02613.615
helicopter7.5215.72413.215
others......
total39.3723.61162.94
Central Alpsskidder1.4503.5314.926
forwarder0.3100..0.3100
mobile tower yarder4.8251.7446.521
cable crane4.2281.7445.923
helicopter4.5266.62211.115
others..0.41000.4100
total15.21213.91429.17
Northeastern Alpsskidder6.1232.9349.018
forwarder......
mobile tower yarder1.8442.2403.929
cable crane9.7173.23212.914
helicopter5.0253.6318.619
others......
total22.6911.81534.45
Southwestern Alpsskidder17.51311.41728.810
forwarder2.1412.4374.527
mobile tower yarder18.9124.52723.411
cable crane8.2201.0589.319
helicopter33.0914.81547.87
others0.31000.31000.771
total79.9434.59114.43
Southeastern Alpsskidder15.51418.01333.59
forwarder3.2336.7229.818
mobile tower yarder20.0129.11929.110
cable crane22.81115.41438.38
helicopter16.91421.21238.19
others......
total78.4570.46148.92
Southern Alpsskidder10.3184.22914.515
forwarder2.1411.4503.531
mobile tower yarder14.1152.83516.914
cable crane18.4133.93022.312
helicopter70.1620.41390.55
others2.5383.5325.924
total117.5336.29153.82
Switzerlandskidder140.65322.13462.72
forwarder26.012156.24182.24
mobile tower yarder105.7556.08161.64
cable crane94.5644.69139.25
helicopter151.0488.66239.63
others5.3268.62013.916
total523.12676.121199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161283/147662

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago46.34.859.55.536.12.020.92.824.23.210.41.728.71.2
11-20 years ago22.24.021.54.622.11.715.22.520.23.06.81.417.41.0
21-30 years ago8.32.78.93.213.11.49.52.015.72.78.81.511.40.8
31-40 years ago7.42.53.82.27.81.15.21.510.12.35.91.37.10.7
41-50 years ago2.81.62.51.86.01.09.62.06.21.87.01.46.30.6
over 50 years ago13.03.23.82.214.81.539.53.423.63.261.02.729.21.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterless than 10 years ago53.22.478.11.634.42.220.94.421.83.29.42.850.61.1
11-20 years ago24.82.113.31.323.22.010.53.315.32.88.52.718.10.9
21-30 years ago9.61.44.40.811.71.58.23.017.42.911.23.19.10.7
31-40 years ago5.71.11.70.58.11.310.53.311.12.415.53.56.10.5
41-50 years ago3.70.90.90.47.51.38.23.05.21.74.72.14.00.5
over 50 years ago3.00.81.50.515.11.741.75.329.13.550.64.812.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago51.82.176.11.635.31.520.92.423.02.310.21.441.00.8
11-20 years ago24.31.814.21.322.61.313.82.017.82.07.21.217.80.7
21-30 years ago9.41.34.90.812.51.09.11.716.62.09.41.410.10.5
31-40 years ago6.11.01.90.57.90.96.81.510.61.78.21.36.50.4
41-50 years ago3.50.81.10.46.70.89.21.75.71.26.51.25.00.4
over 50 years ago5.00.91.80.515.01.140.12.926.32.458.52.319.50.6
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 #161284/147663

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · 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
protection forest perimeter SilvaProtecttime 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 ago18.01416.61472.4615.01415.21412.516149.85
11-20 years ago8.7206.02444.4810.91712.7168.22090.96
21-30 years ago3.2332.53826.4116.9229.91810.61859.58
31-40 years ago2.9351.15815.7153.8306.4237.12236.910
41-50 years ago1.1580.77112.1176.9223.9308.42033.010
over 50 years ago5.0261.15829.81028.41014.91573.45152.64
total38.9927.911200.7371.9462.95120.33522.62
outside of perimeterless than 10 years ago83.65180.0354.886.22313.1163.631341.32
11-20 years ago38.9930.81037.093.1339.2193.233122.25
21-30 years ago15.11510.31818.6142.43810.5184.22961.27
31-40 years ago9.0203.93012.8163.1336.7225.92441.49
41-50 years ago5.8252.14111.9172.4383.1331.84527.211
over 50 years ago4.7273.53124.11212.31617.51419.11381.36
total157.13230.62159.3429.61060.1637.89674.52
totalless than 10 years ago101.64196.62127.2421.21228.31016.114491.02
11-20 years ago47.6836.8981.4614.01521.91211.417213.14
21-30 years ago18.41312.71645.099.31920.41214.915120.75
31-40 years ago11.9175.02728.5116.92213.01613.01678.37
41-50 years ago6.9232.83523.9129.3197.02210.21860.27
over 50 years ago9.7194.62853.9840.7832.3992.55233.83
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161285/147664

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGless than 10 years ago33.327.384.03.282.83.3
11-20 years ago..11.83.011.52.9
21-30 years ago..1.71.21.61.2
31-40 years ago......
41-50 years ago33.327.31.71.22.51.4
over 50 years ago33.327.30.80.81.61.2
total100.0.100.0.100.0.
AIless than 10 years ago20.013.016.115.218.59.9
11-20 years ago40.015.848.320.743.212.6
21-30 years ago10.09.8..6.26.1
31-40 years ago..16.115.26.26.1
41-50 years ago20.013.0..12.38.4
over 50 years ago10.09.819.616.913.78.9
total100.0.100.0.100.0.
ARless than 10 years ago40.015.824.811.030.69.2
11-20 years ago30.014.844.212.638.89.7
21-30 years ago20.012.918.69.919.17.8
31-40 years ago10.09.76.26.17.75.3
41-50 years ago......
over 50 years ago..6.26.13.83.8
total100.0.100.0.100.0.
BEless than 10 years ago44.23.358.03.051.82.2
11-20 years ago20.42.716.52.218.31.7
21-30 years ago15.02.48.01.611.11.4
31-40 years ago5.71.55.41.45.51.0
41-50 years ago4.41.43.91.24.10.9
over 50 years ago10.22.08.31.79.11.3
total100.0.100.0.100.0.
BL/BSless than 10 years ago45.515.152.77.951.27.0
11-20 years ago27.313.532.77.531.56.5
21-30 years ago9.18.77.54.27.93.8
31-40 years ago9.18.72.52.53.92.8
41-50 years ago..2.02.01.61.6
over 50 years ago9.18.72.52.53.92.8
total100.0.100.0.100.0.
FRless than 10 years ago46.87.362.45.856.14.6
11-20 years ago14.95.223.15.119.83.7
21-30 years ago2.12.15.72.84.31.9
31-40 years ago14.95.22.92.07.82.5
41-50 years ago6.43.62.92.04.31.9
over 50 years ago14.95.22.92.07.82.5
total100.0.100.0.100.0.
GEless than 10 years ago..59.119.559.119.5
11-20 years ago......
21-30 years ago..40.919.640.919.6
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..100.0.100.0.
GLless than 10 years ago28.78.631.410.729.86.7
11-20 years ago21.57.821.29.521.46.0
21-30 years ago21.57.815.98.519.35.8
31-40 years ago7.24.95.35.26.43.6
41-50 years ago3.63.510.67.26.43.6
over 50 years ago17.67.215.58.316.75.4
total100.0.100.0.100.0.
GRless than 10 years ago20.12.421.52.820.71.8
11-20 years ago17.62.215.22.416.61.6
21-30 years ago15.52.117.02.516.21.6
31-40 years ago9.71.712.02.210.71.4
41-50 years ago6.21.45.71.56.01.0
over 50 years ago30.82.728.53.029.82.0
total100.0.100.0.100.0.
JUless than 10 years ago46.79.162.16.456.85.3
11-20 years ago30.08.417.35.021.64.4
21-30 years ago6.74.68.63.78.02.9
31-40 years ago6.74.66.93.46.82.7
41-50 years ago3.33.33.32.33.31.9
over 50 years ago6.74.61.71.73.41.9
total100.0.100.0.100.0.
LUless than 10 years ago27.39.563.34.757.24.4
11-20 years ago45.510.621.54.025.63.9
21-30 years ago18.28.35.02.27.22.3
31-40 years ago9.16.25.62.26.22.1
41-50 years ago..2.81.62.31.3
over 50 years ago..1.91.31.51.1
total100.0.100.0.100.0.
NEless than 10 years ago85.79.273.05.275.14.6
11-20 years ago..14.94.212.53.5
21-30 years ago7.16.93.32.33.92.2
31-40 years ago..5.72.84.82.4
41-50 years ago..1.71.61.41.4
over 50 years ago7.16.91.41.42.31.6
total100.0.100.0.100.0.
NWless than 10 years ago12.511.933.313.925.09.9
11-20 years ago50.018.033.313.940.011.2
21-30 years ago12.511.98.38.210.06.9
31-40 years ago......
41-50 years ago......
over 50 years ago25.015.625.012.825.09.9
total100.0.100.0.100.0.
OWless than 10 years ago57.29.422.48.140.26.7
11-20 years ago10.55.826.28.518.25.2
21-30 years ago..14.36.67.03.4
31-40 years ago..3.73.71.81.8
41-50 years ago3.63.615.06.99.23.9
over 50 years ago28.88.618.47.523.75.8
total100.0.100.0.100.0.
SGless than 10 years ago36.75.145.66.140.53.9
11-20 years ago25.64.619.14.822.83.3
21-30 years ago10.03.211.83.910.82.5
31-40 years ago8.93.05.92.97.62.1
41-50 years ago3.31.92.92.13.21.4
over 50 years ago15.63.814.74.315.22.9
total100.0.100.0.100.0.
SHless than 10 years ago50.035.852.98.652.88.4
11-20 years ago50.035.832.48.133.37.9
21-30 years ago..11.85.611.15.3
31-40 years ago......
41-50 years ago......
over 50 years ago..2.92.92.82.8
total100.0.100.0.100.0.
SOless than 10 years ago50.020.554.45.654.15.4
11-20 years ago..29.15.127.14.8
21-30 years ago..2.51.82.41.7
31-40 years ago..6.32.85.92.6
41-50 years ago..2.51.82.41.7
over 50 years ago50.020.55.12.58.23.0
total100.0.100.0.100.0.
SZless than 10 years ago45.57.535.17.940.75.5
11-20 years ago22.76.318.96.521.04.6
21-30 years ago6.83.85.43.76.22.7
31-40 years ago6.83.85.43.76.22.7
41-50 years ago9.14.45.43.77.42.9
over 50 years ago9.14.429.77.618.54.3
total100.0.100.0.100.0.
TGless than 10 years ago30.014.678.35.271.75.3
11-20 years ago30.014.69.63.712.43.9
21-30 years ago40.015.68.03.512.43.9
31-40 years ago..2.02.01.81.7
41-50 years ago......
over 50 years ago..2.02.01.81.7
total100.0.100.0.100.0.
TIless than 10 years ago9.41.810.13.49.61.6
11-20 years ago7.11.68.83.27.51.4
21-30 years ago7.21.612.53.78.41.5
31-40 years ago6.01.514.73.98.01.5
41-50 years ago7.41.65.02.56.91.4
over 50 years ago62.93.048.85.659.62.6
total100.0.100.0.100.0.
URless than 10 years ago38.58.828.59.134.06.4
11-20 years ago19.37.13.93.912.34.4
21-30 years ago6.94.719.67.912.64.5
31-40 years ago16.16.67.85.312.34.4
41-50 years ago3.23.212.36.77.33.5
over 50 years ago16.16.627.99.021.45.5
total100.0.100.0.100.0.
VDless than 10 years ago29.86.147.63.543.83.1
11-20 years ago22.95.623.02.923.02.6
21-30 years ago17.65.111.62.212.92.1
31-40 years ago5.33.05.81.65.71.4
41-50 years ago8.83.86.21.76.81.5
over 50 years ago15.74.85.81.67.91.7
total100.0.100.0.100.0.
VSless than 10 years ago21.02.723.04.221.62.3
11-20 years ago15.02.312.03.314.11.9
21-30 years ago9.92.08.02.79.31.6
31-40 years ago5.61.511.13.17.21.4
41-50 years ago10.32.09.12.910.01.6
over 50 years ago38.23.236.84.837.82.7
total100.0.100.0.100.0.
ZGless than 10 years ago100.0.82.816.293.26.8
11-20 years ago......
21-30 years ago..17.216.26.86.8
31-40 years ago......
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
ZHless than 10 years ago50.025.174.83.674.23.6
11-20 years ago25.021.716.13.116.33.1
21-30 years ago..5.61.95.41.9
31-40 years ago..3.51.53.41.5
41-50 years ago......
over 50 years ago25.021.7..0.70.7
total100.0.100.0.100.0.
Switzerlandless than 10 years ago28.71.150.61.141.10.8
11-20 years ago17.31.018.20.917.80.7
21-30 years ago11.30.89.10.710.00.5
31-40 years ago7.00.76.10.56.50.4
41-50 years ago6.30.64.00.45.00.4
over 50 years ago29.31.112.00.719.50.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161286/147665

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago0.410040.2540.75
11-20 years ago..5.6255.625
21-30 years ago..0.8700.870
31-40 years ago......
41-50 years ago0.41000.8701.257
over 50 years ago0.41000.41000.870
total1.25747.9349.12
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 ago0.669..0.669
over 50 years ago0.31000.41000.771
total3.2212.0375.212
ARless than 10 years ago1.3471.3472.630
11-20 years ago1.0552.3353.227
21-30 years ago0.6691.0551.641
31-40 years ago0.31000.31000.669
41-50 years ago......
over 50 years ago..0.31000.3100
total3.2255.2178.46
BEless than 10 years ago34.2955.5789.75
11-20 years ago15.81415.81431.610
21-30 years ago11.6177.62119.313
31-40 years ago4.4275.2269.618
41-50 years ago3.4313.8307.221
over 50 years ago7.9207.92115.814
total77.4595.74173.12
BL/BSless than 10 years ago2.0438.61710.614
11-20 years ago1.2575.3246.521
21-30 years ago0.41001.2571.649
31-40 years ago0.41000.41000.870
41-50 years ago..0.31000.3100
over 50 years ago0.41000.41000.870
total4.52716.2920.75
FRless than 10 years ago8.22016.11224.39
11-20 years ago2.6375.9248.619
21-30 years ago0.41001.5501.944
31-40 years ago2.6370.7703.432
41-50 years ago1.1570.7701.944
over 50 years ago2.6370.7703.432
total17.61225.7843.33
GEless than 10 years ago..1.8361.836
11-20 years ago......
21-30 years ago..1.3541.354
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..3.1203.120
GLless than 10 years ago3.1332.3405.424
11-20 years ago2.3391.5493.929
21-30 years ago2.3391.2573.531
31-40 years ago0.8700.41001.257
41-50 years ago0.41000.8701.257
over 50 years ago1.9441.1573.034
total10.7147.22018.07
GRless than 10 years ago20.31316.81437.19
11-20 years ago17.81311.91729.710
21-30 years ago15.71413.21628.910
31-40 years ago9.8189.41919.113
41-50 years ago6.3234.52710.717
over 50 years ago31.11022.21253.47
total100.9478.06179.02
JUless than 10 years ago5.52514.01319.410
11-20 years ago3.5323.9307.420
21-30 years ago0.8701.9442.736
31-40 years ago0.8701.6492.340
41-50 years ago0.41000.7711.158
over 50 years ago0.8700.41001.257
total11.71522.5834.23
LUless than 10 years ago1.94021.4923.38
11-20 years ago3.1317.31910.415
21-30 years ago1.3491.7453.033
31-40 years ago0.6701.9402.534
41-50 years ago..0.9570.957
over 50 years ago..0.6700.670
total6.92033.8540.73
NEless than 10 years ago3.82717.3921.17
11-20 years ago..3.5283.528
21-30 years ago0.31000.8701.158
31-40 years ago..1.4501.450
41-50 years ago..0.41000.4100
over 50 years ago0.31000.31000.670
total4.52523.7728.24
NWless than 10 years ago0.41001.5461.940
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 ago0.8691.2551.940
total3.1294.6207.78
OWless than 10 years ago5.9222.2398.217
11-20 years ago1.1572.6363.729
21-30 years ago..1.4501.450
31-40 years ago..0.41000.4100
41-50 years ago0.41001.5491.943
over 50 years ago3.0331.8444.825
total10.41410.01520.45
SGless than 10 years ago11.91611.21723.110
11-20 years ago8.3204.72713.015
21-30 years ago3.2332.9356.123
31-40 years ago2.9351.4504.328
41-50 years ago1.1570.7701.844
over 50 years ago5.1263.6318.719
total32.5824.61057.14
SHless than 10 years ago0.41006.4176.816
11-20 years ago0.41003.9264.324
21-30 years ago..1.4481.448
31-40 years ago......
41-50 years ago......
over 50 years ago..0.41000.4100
total0.77012.1512.83
SOless than 10 years ago1.15716.31117.411
11-20 years ago..8.7188.718
21-30 years ago..0.8700.870
31-40 years ago..1.9441.944
41-50 years ago..0.8700.870
over 50 years ago1.1571.5492.636
total2.34029.9532.23
SZless than 10 years ago7.2204.72612.014
11-20 years ago3.6302.5376.222
21-30 years ago1.1570.7711.844
31-40 years ago1.1570.7701.844
41-50 years ago1.4490.7702.240
over 50 years ago1.4494.0295.424
total15.91113.41329.34
TGless than 10 years ago0.95714.6815.58
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..0.41000.4100
total3.03018.7621.74
TIless than 10 years ago9.0192.93511.817
11-20 years ago6.8222.5379.319
21-30 years ago6.8223.63110.418
31-40 years ago5.7244.2299.918
41-50 years ago7.1221.4508.520
over 50 years ago59.9613.91573.75
total95.2428.410123.62
URless than 10 years ago4.0272.4376.421
11-20 years ago2.0390.31002.336
21-30 years ago0.7711.7442.437
31-40 years ago1.7440.7702.336
41-50 years ago0.31001.0581.450
over 50 years ago1.7432.4374.027
total10.3148.41818.78
VDless than 10 years ago6.42437.5843.97
11-20 years ago4.92718.11323.112
21-30 years ago3.8319.12012.916
31-40 years ago1.1584.6285.725
41-50 years ago1.9444.9276.823
over 50 years ago3.4334.5287.921
total21.61278.74100.32
VSless than 10 years ago16.8137.92024.711
11-20 years ago12.0164.22916.214
21-30 years ago7.9202.83510.717
31-40 years ago4.5273.8308.320
41-50 years ago8.3203.13311.417
over 50 years ago30.5912.71643.27
total79.9434.59114.43
ZGless than 10 years ago3.9212.1405.911
11-20 years ago......
21-30 years ago..0.41000.4100
31-40 years ago......
41-50 years ago......
over 50 years ago......
total3.9212.5356.37
ZHless than 10 years ago0.77037.7638.56
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
total1.44950.4351.82
Switzerlandless than 10 years ago149.94343.12493.02
11-20 years ago90.56123.15213.64
21-30 years ago58.9861.67120.55
31-40 years ago36.71041.3978.07
41-50 years ago33.11027.21160.37
over 50 years ago152.9481.26234.13
total522.12677.421199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #161287/147666

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimeterless than 10 years ago47.64.953.07.045.12.825.11.710.31.728.81.2
11-20 years ago22.84.121.65.823.32.418.51.56.91.417.41.0
21-30 years ago7.62.611.84.58.81.614.61.48.41.511.30.8
31-40 years ago6.72.43.92.77.31.57.71.06.01.37.00.7
41-50 years ago2.91.63.92.75.01.27.41.06.81.46.30.6
over 50 years ago12.43.25.93.310.41.726.61.761.52.729.21.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterless than 10 years ago55.32.376.91.742.02.924.92.18.82.850.61.1
11-20 years ago24.92.013.41.426.22.514.51.77.82.718.20.9
21-30 years ago8.21.35.30.98.71.614.81.711.73.29.10.7
31-40 years ago4.91.02.10.67.71.59.81.415.33.56.10.5
41-50 years ago4.00.90.70.35.71.37.31.24.92.14.00.4
over 50 years ago2.70.81.70.59.71.728.72.251.54.912.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago53.92.175.11.743.62.025.01.39.91.441.10.8
11-20 years ago24.51.814.01.424.71.716.91.17.11.217.80.7
21-30 years ago8.11.25.80.98.81.114.71.19.21.410.00.5
31-40 years ago5.20.92.30.67.51.18.50.88.21.36.50.4
41-50 years ago3.80.80.90.45.40.97.40.86.41.25.00.4
over 50 years ago4.50.92.00.510.11.227.41.359.22.419.50.6
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 #161288/147667

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago18.3149.51951.5758.5712.117149.95
11-20 years ago8.8203.93026.71143.288.12090.66
21-30 years ago2.9352.14110.11934.0109.91859.07
31-40 years ago2.6380.7718.32118.0147.12236.610
41-50 years ago1.1580.7715.82517.3148.02032.910
over 50 years ago4.7271.15811.91762.0772.35152.04
total38.3917.914114.34233.03117.53521.02
outside of perimeterless than 10 years ago90.95164.1345.0838.393.233341.52
11-20 years ago40.9928.51128.11122.2122.835122.55
21-30 years ago13.51611.3179.41922.8124.22961.17
31-40 years ago8.0214.6288.32015.0155.62541.59
41-50 years ago6.6231.4506.12411.2181.84527.111
over 50 years ago4.4293.53110.41844.1918.71381.16
total164.23213.42107.45153.5436.29674.82
totalless than 10 years ago109.24173.6396.6596.8515.315491.42
11-20 years ago49.6832.41054.8765.4711.017213.24
21-30 years ago16.41413.41619.41356.8714.115120.15
31-40 years ago10.6185.32616.61433.01012.61678.17
41-50 years ago7.7222.14111.91728.5119.81860.07
over 50 years ago9.1204.62822.312106.0591.05233.03
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161289/147668

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago49.44.040.62.839.23.321.02.722.02.810.31.728.71.2
11-20 years ago22.43.320.82.323.62.915.02.321.12.76.91.417.41.0
21-30 years ago9.02.314.12.010.62.19.92.016.12.58.41.511.40.8
31-40 years ago5.81.96.11.48.71.95.61.510.82.16.01.37.10.7
41-50 years ago3.21.45.11.24.91.510.32.06.71.76.81.46.30.6
over 50 years ago10.32.413.41.913.02.338.23.223.32.861.52.729.21.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterless than 10 years ago67.71.439.33.035.23.723.04.223.53.08.82.850.71.1
11-20 years ago18.31.223.62.620.03.112.03.316.52.67.82.718.10.9
21-30 years ago6.50.89.41.813.32.68.02.717.92.711.73.29.10.7
31-40 years ago3.30.67.91.66.41.911.13.111.42.215.33.56.10.5
41-50 years ago2.10.47.11.65.21.79.12.95.91.74.92.14.00.4
over 50 years ago2.10.412.72.020.03.136.84.824.83.051.54.912.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago65.41.440.02.037.42.421.62.322.72.09.91.441.10.8
11-20 years ago18.81.122.11.722.02.114.11.918.91.97.11.217.80.7
21-30 years ago6.80.711.91.311.71.69.31.617.01.89.21.410.10.5
31-40 years ago3.60.56.91.17.71.47.21.411.11.58.21.36.50.4
41-50 years ago2.20.46.01.05.11.110.01.66.31.26.41.25.00.4
over 50 years ago3.10.513.11.416.11.937.82.724.02.159.22.419.50.6
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 #161290/147669

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · 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
protection forest perimeter SilvaProtecttime 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 ago27.51145.8830.11016.81317.31412.117149.55
11-20 years ago12.51723.41218.11312.01616.5148.12090.76
21-30 years ago5.02715.9158.1217.92012.7169.91859.48
31-40 years ago3.2336.9236.7234.5278.4207.12236.810
41-50 years ago1.8455.8253.8308.3205.3258.02032.910
over 50 years ago5.72515.11510.01830.5918.31372.35152.04
total55.88112.9476.8579.9478.45117.53521.42
outside of perimeterless than 10 years ago256.1337.9921.0127.92016.6143.233342.62
11-20 years ago69.1722.71211.9174.22911.6172.835122.35
21-30 years ago24.7129.0207.9212.83512.6164.22961.27
31-40 years ago12.5177.6223.8303.8308.0205.62541.39
41-50 years ago7.9216.9233.1333.1334.1291.84526.911
over 50 years ago7.92112.31711.91712.71617.51418.71380.96
total378.2196.3559.7634.5970.4636.29675.32
totalless than 10 years ago283.7283.7551.1724.71133.8915.315492.22
11-20 years ago81.6646.2830.01016.21428.11011.017213.04
21-30 years ago29.71124.91216.01410.71725.31114.115120.75
31-40 years ago15.71514.41510.5188.32016.51412.61678.07
41-50 years ago9.71912.6166.92211.4179.4199.81859.87
over 50 years ago13.61627.41122.01243.2735.8991.05232.93
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161291/147670

NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juraless than 10 years ago47.25.255.22.753.52.4
11-20 years ago23.14.422.82.322.92.0
21-30 years ago8.83.09.11.69.01.4
31-40 years ago6.62.65.61.25.81.1
41-50 years ago2.21.54.71.14.21.0
over 50 years ago12.13.42.60.94.61.0
total100.0.100.0.100.0.
Eastern Juraless than 10 years ago50.013.455.64.855.04.5
11-20 years ago21.411.031.54.530.44.2
21-30 years ago..5.62.24.92.0
31-40 years ago7.16.92.81.63.31.6
41-50 years ago7.16.91.71.22.31.3
over 50 years ago14.39.42.81.64.11.8
total100.0.100.0.100.0.
Western Plateauless than 10 years ago66.313.763.84.764.04.4
11-20 years ago16.910.914.93.515.13.3
21-30 years ago..10.12.99.12.6
31-40 years ago..3.81.93.41.7
41-50 years ago16.910.92.81.64.21.9
over 50 years ago..4.72.14.21.9
total100.0.100.0.100.0.
Central Plateauless than 10 years ago54.510.680.42.877.82.8
11-20 years ago22.79.014.22.515.02.4
21-30 years ago9.16.12.51.13.11.2
31-40 years ago9.16.11.50.92.21.0
41-50 years ago......
over 50 years ago4.54.51.50.91.80.9
total100.0.100.0.100.0.
Eastern Plateauless than 10 years ago41.211.979.32.377.32.4
11-20 years ago23.510.312.31.912.91.9
21-30 years ago23.510.35.31.36.31.4
31-40 years ago..2.00.81.90.8
41-50 years ago..0.30.30.30.3
over 50 years ago11.87.80.70.51.30.6
total100.0.100.0.100.0.
Western Pre-Alpsless than 10 years ago37.55.741.36.939.14.4
11-20 years ago19.44.725.46.121.93.7
21-30 years ago8.33.215.65.111.32.9
31-40 years ago12.53.97.93.810.62.8
41-50 years ago7.03.07.93.87.32.4
over 50 years ago15.34.32.02.09.82.7
total100.0.100.0.100.0.
Central Pre-Alpsless than 10 years ago49.64.442.04.045.53.0
11-20 years ago24.43.826.73.625.62.6
21-30 years ago10.72.76.01.98.21.6
31-40 years ago2.31.38.72.35.71.4
41-50 years ago3.11.56.01.94.61.3
over 50 years ago9.92.610.72.510.31.8
total100.0.100.0.100.0.
Eastern Pre-Alpsless than 10 years ago44.74.742.35.043.63.4
11-20 years ago24.64.025.84.425.13.0
21-30 years ago7.02.49.33.08.11.9
31-40 years ago9.62.86.22.58.11.9
41-50 years ago6.12.34.12.05.21.5
over 50 years ago7.92.512.43.410.02.1
total100.0.100.0.100.0.
Northwestern Alpsless than 10 years ago31.84.531.95.731.83.5
11-20 years ago17.33.615.14.416.52.8
21-30 years ago21.83.912.24.018.22.9
31-40 years ago6.42.36.13.06.31.8
41-50 years ago6.42.39.13.57.42.0
over 50 years ago16.43.525.75.419.93.0
total100.0.100.0.100.0.
Central Alpsless than 10 years ago38.77.425.16.932.25.1
11-20 years ago20.46.17.44.114.23.8
21-30 years ago9.24.417.76.113.33.7
31-40 years ago11.34.87.44.19.43.2
41-50 years ago4.53.17.64.26.02.6
over 50 years ago15.85.534.97.625.04.7
total100.0.100.0.100.0.
Northeastern Alpsless than 10 years ago30.25.827.37.829.24.7
11-20 years ago23.85.418.26.721.94.2
21-30 years ago17.54.818.26.717.73.9
31-40 years ago4.82.76.14.25.22.3
41-50 years ago3.22.26.14.24.22.0
over 50 years ago20.65.124.37.521.94.2
total100.0.100.0.100.0.
Southwestern Alpsless than 10 years ago21.02.723.04.221.62.3
11-20 years ago15.02.312.03.314.11.9
21-30 years ago9.92.08.02.79.31.6
31-40 years ago5.61.511.13.17.21.4
41-50 years ago10.32.09.12.910.01.6
over 50 years ago38.23.236.84.837.82.7
total100.0.100.0.100.0.
Southeastern Alpsless than 10 years ago22.02.823.53.022.72.0
11-20 years ago21.12.716.52.618.91.9
21-30 years ago16.12.517.92.717.01.8
31-40 years ago10.82.111.42.211.11.5
41-50 years ago6.71.75.91.76.31.2
over 50 years ago23.32.824.83.024.02.1
total100.0.100.0.100.0.
Southern Alpsless than 10 years ago10.31.78.82.89.91.4
11-20 years ago6.91.47.82.77.11.2
21-30 years ago8.41.511.73.29.21.4
31-40 years ago6.01.315.33.58.21.3
41-50 years ago6.81.44.92.16.41.2
over 50 years ago61.52.751.54.959.22.4
total100.0.100.0.100.0.
Switzerlandless than 10 years ago28.71.250.51.141.00.8
11-20 years ago17.41.018.20.917.90.7
21-30 years ago11.30.89.10.710.10.5
31-40 years ago7.00.76.10.56.50.4
41-50 years ago6.30.64.00.55.00.4
over 50 years ago29.11.112.00.719.50.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161292/147671

NFI4b

forest area: altitude (400 m classes) · biogeographical region
unit: %
unit of evaluation: forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitude (400 m classes) %± %± %± %± %± %± %±
above 1800 m....4.00.628.22.538.52.314.61.510.10.4
1401-1800 m3.10.7..28.01.337.92.740.42.428.31.921.00.6
1001-1400 m32.42.01.40.438.61.422.12.313.31.726.01.924.10.7
601-1000 m45.92.141.11.826.61.39.41.67.71.318.51.727.60.7
to 600 m18.61.757.51.82.90.52.40.8..12.51.417.20.5
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 #161301/147680

NFI4b

forest area: altitude (400 m classes) · biogeographical region
unit: 1000 ha
unit of evaluation: forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
above 1800 m....15.81532.0956.4627.910132.14
1401-1800 m6.224..112.1542.9759.2653.97274.33
1001-1400 m63.863.531154.5425.01119.51349.67315.93
601-1000 m90.45107.25106.5510.61711.31735.29361.23
to 600 m36.79150.0311.7172.735..23.911225.03
total197.11260.71400.61113.32146.52190.411308.61

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161302/147681

NFI4b

forest area: altitude (400 m classes) · canton
unit: %
unit of evaluation: forest
grid:
state 2009/13
altitude (400 m classes)
above 1800 m1401-1800 m1001-1400 m601-1000 mto 600 mtotal
canton %± %± %± %± %± %±
AG......17.23.482.83.4100.0.
AI....63.012.437.012.4..100.0.
AR....38.89.761.29.7..100.0.
BE3.00.719.51.725.41.935.92.116.31.6100.0.
BL/BS......37.46.862.66.8100.0.
FR1.71.29.02.638.04.434.84.316.53.4100.0.
GE........100.0.100.0.
GL3.22.226.05.642.86.428.05.8..100.0.
GR32.71.837.52.018.71.610.31.20.80.4100.0.
JU....11.33.452.35.436.45.2100.0.
LU..5.92.026.53.851.14.316.43.2100.0.
NE....49.15.448.35.32.51.8100.0.
NW..23.89.528.610.142.911.04.84.8100.0.
OW3.12.135.56.339.16.418.85.13.42.4100.0.
SG1.81.017.52.929.33.541.53.810.02.3100.0.
SH......38.98.261.18.2100.0.
SO....14.13.855.35.430.65.0100.0.
SZ..16.34.051.15.426.74.85.82.5100.0.
TG......27.65.372.45.3100.0.
TI10.71.428.12.225.02.121.12.015.11.7100.0.
UR12.93.832.55.335.05.414.73.94.92.4100.0.
VD0.70.518.02.338.83.030.72.811.82.0100.0.
VS25.82.338.62.521.72.110.21.63.71.0100.0.
ZG..6.86.825.711.560.813.06.86.8100.0.
ZH....2.71.339.24.058.14.1100.0.
Switzerland10.00.420.80.624.10.727.60.717.60.5100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #161303/147682

NFI4b

forest area: altitude (400 m classes) · production region
unit: %
unit of evaluation: forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitude (400 m classes) %± %± %± %± %± %±
above 1800 m....1.10.422.91.114.71.510.20.5
1401-1800 m2.10.60.80.318.31.537.81.328.12.020.80.6
1001-1400 m30.11.92.10.641.01.923.61.225.71.924.20.7
601-1000 m41.92.140.61.936.71.913.60.918.71.727.70.7
to 600 m25.81.956.51.93.00.72.10.412.81.517.20.5
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 #161304/147683
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