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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a..6.93.3..2.82.04.02.8..3.01.0
pure conifer forest15.410.044.86.548.87.887.63.880.05.682.16.166.92.8
mixed conifer forest76.911.729.36.026.86.95.52.74.02.8..16.22.2
mixed broadleaf forest7.77.410.34.09.74.61.41.46.03.45.13.56.21.5
pure broadleaf forest..8.63.714.65.52.71.96.03.412.85.37.71.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.80.31.60.62.10.82.41.02.90.91.30.61.50.2
pure conifer forest24.21.251.32.238.32.765.73.078.62.230.42.440.80.8
mixed conifer forest24.41.220.91.823.72.36.51.66.51.37.41.318.10.7
mixed broadleaf forest19.51.112.01.414.11.97.31.75.11.26.71.313.40.6
pure broadleaf forest31.11.314.21.621.82.317.92.56.91.454.22.626.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.70.22.10.61.90.72.50.93.00.91.20.51.60.2
pure conifer forest24.11.250.62.139.52.570.72.678.82.035.32.442.90.8
mixed conifer forest25.01.221.81.724.12.26.31.46.21.26.71.218.00.7
mixed broadleaf forest19.41.111.91.413.61.86.01.35.21.16.61.212.80.6
pure broadleaf forest30.81.313.61.421.02.114.52.06.81.350.22.524.70.7
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 #164855/151237

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..1.450..0.7710.771..2.935
pure conifer forest0.7719.4196.92221.91114.11511.41764.47
mixed conifer forest3.6326.1243.8301.4500.771..15.615
mixed broadleaf forest0.41002.2411.4500.31001.1580.7716.024
pure broadleaf forest..1.8452.1410.7711.1581.8457.422
total4.72820.91314.21525.01117.61313.81596.26
outside perimetern/a3.2332.9352.4382.1413.5311.84515.915
pure conifer forest103.0593.8544.3855.2696.8440.18433.12
mixed conifer forest103.7538.2927.4105.5258.0209.818192.64
mixed broadleaf forest83.0622.01216.2146.2236.3238.920142.65
pure broadleaf forest132.3426.01125.21115.1148.52071.45278.43
total425.31182.82115.5384.14123.13131.931062.71
totaln/a3.2334.3292.4382.8354.2281.84518.714
pure conifer forest103.75103.1451.2777.24110.8351.47497.52
mixed conifer forest107.3544.4831.2106.9228.7209.818208.24
mixed broadleaf forest83.4624.21217.6136.5227.4219.619148.65
pure broadleaf forest132.3427.81127.21015.8149.51973.25285.83
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164856/151238

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture %± %± %±
Western Juran/a..0.70.40.70.4
pure conifer forest15.310.029.22.228.72.2
mixed conifer forest77.011.726.52.228.02.2
mixed broadleaf forest7.77.422.22.021.82.0
pure broadleaf forest..21.42.020.82.0
total100.0.100.0.100.0.
Eastern Juran/a......
pure conifer forest..10.72.810.72.8
mixed conifer forest..17.23.417.23.4
mixed broadleaf forest..22.23.822.23.8
pure broadleaf forest..49.94.549.94.5
total..100.0.100.0.
Western Plateaun/a..3.41.73.41.7
pure conifer forest..22.13.822.13.8
mixed conifer forest..22.03.822.03.8
mixed broadleaf forest..15.23.315.23.3
pure broadleaf forest..37.24.537.24.5
total..100.0.100.0.
Central Plateaun/a..0.50.50.50.5
pure conifer forest..32.13.132.13.1
mixed conifer forest..22.62.822.62.8
mixed broadleaf forest..12.62.212.62.2
pure broadleaf forest..32.23.232.23.2
total..100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
pure conifer forest..18.22.218.22.2
mixed conifer forest..26.52.526.52.5
mixed broadleaf forest..21.42.321.42.3
pure broadleaf forest..33.52.733.52.7
total..100.0.100.0.
Western Pre-Alpsn/a22.314.01.81.33.31.6
pure conifer forest22.314.055.34.752.94.6
mixed conifer forest33.515.814.33.315.73.3
mixed broadleaf forest11.210.614.33.314.03.2
pure broadleaf forest10.610.114.33.314.03.2
total100.0.100.0.100.0.
Central Pre-Alpsn/a..1.60.81.50.7
pure conifer forest47.411.550.63.150.43.0
mixed conifer forest31.610.724.92.725.42.6
mixed broadleaf forest10.57.19.11.89.21.8
pure broadleaf forest10.57.113.82.213.62.1
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..2.51.12.41.1
pure conifer forest50.017.736.93.437.43.4
mixed conifer forest12.511.727.33.226.73.1
mixed broadleaf forest12.511.716.72.716.52.6
pure broadleaf forest25.015.316.72.717.02.6
total100.0.100.0.100.0.
Northwestern Alpsn/a6.74.61.41.02.31.2
pure conifer forest50.09.149.34.249.43.8
mixed conifer forest26.78.119.03.320.33.1
mixed broadleaf forest10.05.515.53.014.62.7
pure broadleaf forest6.74.614.83.013.42.6
total100.0.100.0.100.0.
Central Alpsn/a......
pure conifer forest53.312.953.96.353.85.7
mixed conifer forest33.312.29.43.714.03.9
mixed broadleaf forest..14.34.411.63.6
pure broadleaf forest13.38.822.35.320.64.6
total100.0.100.0.100.0.
Northeastern Alpsn/a..2.92.02.31.6
pure conifer forest44.511.829.65.432.65.0
mixed conifer forest27.810.625.45.225.84.7
mixed broadleaf forest16.78.87.03.09.03.0
pure broadleaf forest11.17.435.25.730.34.9
total100.0.100.0.100.0.
Southwestern Alpsn/a2.82.02.41.02.50.9
pure conifer forest87.63.865.73.070.72.6
mixed conifer forest5.52.76.51.66.31.4
mixed broadleaf forest1.41.47.31.76.01.3
pure broadleaf forest2.71.917.92.514.52.0
total100.0.100.0.100.0.
Southeastern Alpsn/a4.02.82.90.93.00.9
pure conifer forest80.05.678.62.278.82.0
mixed conifer forest4.02.86.51.36.21.2
mixed broadleaf forest6.03.45.11.25.21.1
pure broadleaf forest6.03.46.91.46.81.3
total100.0.100.0.100.0.
Southern Alpsn/a..1.30.61.20.5
pure conifer forest82.16.130.42.435.32.4
mixed conifer forest..7.41.36.71.2
mixed broadleaf forest5.13.56.71.36.61.2
pure broadleaf forest12.85.354.22.650.22.5
total100.0.100.0.100.0.
Switzerlandn/a3.01.01.50.21.60.2
pure conifer forest66.82.840.60.842.80.8
mixed conifer forest16.22.218.10.717.90.7
mixed broadleaf forest6.31.513.50.612.90.6
pure broadleaf forest7.71.626.30.824.70.7
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164857/151239

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.1581.158
pure conifer forest0.77143.2843.98
mixed conifer forest3.63139.3842.88
mixed broadleaf forest0.410032.9933.29
pure broadleaf forest..31.71031.710
total4.627148.22152.82
Eastern Juran/a......
pure conifer forest..5.1265.126
mixed conifer forest..8.3208.320
mixed broadleaf forest..10.71710.717
pure broadleaf forest..24.1924.19
total..48.2248.22
Western Plateaun/a..1.6491.649
pure conifer forest..10.71810.718
mixed conifer forest..10.71810.718
mixed broadleaf forest..7.4227.422
pure broadleaf forest..18.01218.012
total..48.4348.43
Central Plateaun/a..0.31000.3100
pure conifer forest..22.11022.110
mixed conifer forest..15.51315.513
mixed broadleaf forest..8.7188.718
pure broadleaf forest..22.11022.110
total..68.7268.72
Eastern Plateaun/a..0.41000.4100
pure conifer forest..20.41220.412
mixed conifer forest..29.71029.710
mixed broadleaf forest..24.01124.011
pure broadleaf forest..37.5837.58
total..111.92111.92
Western Pre-Alpsn/a0.7700.7701.549
pure conifer forest0.77022.91023.79
mixed conifer forest1.1575.9247.021
mixed broadleaf forest0.41005.9246.323
pure broadleaf forest0.41005.9236.323
total3.33341.4444.84
Central Pre-Alpsn/a..1.4501.450
pure conifer forest3.23345.9749.16
mixed conifer forest2.24022.61124.711
mixed broadleaf forest0.7718.2209.019
pure broadleaf forest0.77112.51613.315
total6.82290.7397.52
Eastern Pre-Alpsn/a..1.8441.844
pure conifer forest1.45026.11027.59
mixed conifer forest0.410019.31219.612
mixed broadleaf forest0.410011.81612.116
pure broadleaf forest0.77111.81612.516
total2.93570.7373.63
Northwestern Alpsn/a0.7710.7711.450
pure conifer forest5.42525.01030.48
mixed conifer forest2.9359.61812.515
mixed broadleaf forest1.1577.9209.019
pure broadleaf forest0.7717.5218.220
total10.71750.8561.54
Central Alpsn/a......
pure conifer forest2.73411.81514.513
mixed conifer forest1.7442.1403.829
mixed broadleaf forest..3.1323.132
pure broadleaf forest0.7704.9265.624
total5.22421.8927.07
Northeastern Alpsn/a..0.7710.771
pure conifer forest2.9357.52010.416
mixed conifer forest1.8446.4228.219
mixed broadleaf forest1.1571.8442.934
pure broadleaf forest0.7708.9189.717
total6.42225.4831.96
Southwestern Alpsn/a0.7712.1412.835
pure conifer forest21.91155.2677.24
mixed conifer forest1.4505.5256.922
mixed broadleaf forest0.31006.2236.522
pure broadleaf forest0.77115.11415.814
total25.01184.14109.13
Southeastern Alpsn/a0.7713.5314.228
pure conifer forest14.11596.84110.83
mixed conifer forest0.7718.0208.720
mixed broadleaf forest1.1586.3237.421
pure broadleaf forest1.1588.5209.519
total17.613123.13140.62
Southern Alpsn/a..1.8451.845
pure conifer forest11.41740.1851.47
mixed conifer forest..9.8189.818
mixed broadleaf forest0.7718.9209.619
pure broadleaf forest1.84571.4573.25
total13.815131.93145.72
Switzerlandn/a2.93516.11519.014
pure conifer forest64.47432.82497.32
mixed conifer forest15.615192.64208.34
mixed broadleaf forest6.124143.65149.75
pure broadleaf forest7.422280.13287.53
total96.461065.311161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164858/151240

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey) %± %± %± %± %± %± %±
inside perimeterno treatment30.912.8..23.74.142.76.057.17.661.17.639.42.9
tending....6.42.31.51.59.54.5..4.41.2
thinning7.77.4..11.83.12.92.02.42.4..6.21.5
establishment cut23.011.7..9.12.710.33.714.35.42.42.49.81.8
removal cut7.77.4..4.52.01.51.5..2.42.42.91.0
plentering15.410.0..2.71.6......1.80.8
thinning of mountain forest15.410.0..41.84.741.16.016.75.831.67.334.92.9
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........2.42.40.40.4
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeterno treatment12.41.44.40.831.81.662.23.363.62.869.02.431.60.8
tending8.01.214.91.38.10.96.01.65.61.41.60.68.50.5
thinning26.51.935.81.814.61.23.21.23.51.16.61.319.00.7
establishment cut14.11.516.41.412.71.15.51.611.21.94.51.112.20.6
removal cut5.51.06.10.92.80.60.90.61.00.62.40.83.70.3
plentering12.81.53.20.65.90.80.50.52.10.80.30.35.00.4
thinning of mountain forest1.90.6..17.11.319.42.79.81.810.31.68.80.5
coppice cut0.40.30.60.3......3.91.00.70.2
conversion..1.10.40.50.2....0.80.50.50.1
transformation..0.40.20.10.1......0.10.1
sanitary felling1.90.61.70.50.90.31.40.8..0.30.31.10.2
plentering in broadleaf forest7.21.113.91.32.50.5......5.40.4
tending of forest edge1.00.41.70.51.20.4..1.40.70.30.31.10.2
planting0.20.2..........0.00.0
agrosilvicultural treatments8.21.20.10.11.70.40.90.61.80.80.30.32.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno treatment12.81.44.40.830.91.557.52.962.82.768.22.332.20.7
tending7.81.214.91.37.90.94.91.36.11.31.40.68.20.5
thinning26.01.935.81.814.31.13.21.03.41.05.91.217.90.6
establishment cut14.31.516.41.412.31.16.71.511.61.84.31.012.00.6
removal cut5.61.06.10.93.00.51.10.60.90.52.40.73.60.3
plentering12.81.43.20.65.60.70.40.41.80.70.20.24.70.4
thinning of mountain forest2.20.6..19.91.324.62.610.71.712.31.611.00.5
coppice cut0.40.30.60.3......3.60.90.60.1
conversion..1.10.40.40.2....0.70.40.50.1
transformation..0.40.20.10.1......0.10.1
sanitary felling1.90.61.70.50.80.31.10.6..0.20.21.00.2
plentering in broadleaf forest7.11.113.91.32.30.5......4.90.4
tending of forest edge0.90.41.70.51.00.3..1.20.60.20.21.00.2
planting0.20.2..........0.00.0
agrosilvicultural treatments8.01.20.10.11.50.40.70.51.50.70.50.32.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164859/151241

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterno treatment1.450..9.2199.9188.5208.92038.09
tending....2.5380.31001.450..4.229
thinning0.4100..4.6280.7710.4100..6.024
establishment cut1.158..3.5312.4372.1410.41009.519
removal cut0.4100..1.8450.3100..0.41002.835
plentering0.771..1.158......1.845
thinning of mountain forest0.771..16.3149.6182.5374.62733.710
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........0.41000.4100
total4.727..39.0923.31114.81514.61596.46
outside perimeterno treatment23.41211.31797.2546.2764.3693.34335.83
tending15.11538.2924.9124.5275.7242.14190.56
thinning50.1792.0544.782.4373.5318.919201.64
establishment cut26.71142.1839.094.12811.3176.124129.25
removal cut10.41815.6158.5200.7711.1583.23339.59
plentering24.1128.12118.1140.31002.1410.410053.28
thinning of mountain forest3.631..52.2814.4159.91813.91593.96
coppice cut0.7711.450......5.3257.522
conversion..2.8351.450....1.1585.326
transformation..1.1580.4100......1.450
sanitary felling3.6314.2292.8351.058..0.410012.117
plentering in broadleaf forest13.71635.797.821......57.27
tending of forest edge1.8454.2293.632..1.4500.410011.418
planting0.4100..........0.4100
agrosilvicultural treatments15.5150.41005.3260.7711.8450.410024.012
total189.22257.11305.9274.34101.13135.431062.91
totalno treatment24.91111.317106.5556.2672.85102.34373.92
tending15.11538.2927.4114.8267.1222.14194.76
thinning50.4792.0549.383.1333.9308.919207.64
establishment cut27.71142.1842.596.52213.4156.423138.75
removal cut10.81815.61510.3181.0581.1583.63142.39
plentering24.9118.12119.1130.31002.1410.410054.98
thinning of mountain forest4.329..68.5724.01112.41618.513127.65
coppice cut0.7711.450......5.3257.522
conversion..2.8351.450....1.1585.326
transformation..1.1580.4100......1.450
sanitary felling3.6314.2292.8351.058..0.410012.117
plentering in broadleaf forest13.71635.797.821......57.27
tending of forest edge1.8454.2293.632..1.4500.410011.418
planting0.4100..........0.4100
agrosilvicultural treatments15.5150.41005.3260.7711.8450.77124.412
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164860/151242

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontype of next treatment (interview survey) %± %± %±
AGno treatment..7.42.47.42.4
tending..22.13.822.13.8
thinning..35.24.335.24.3
establishment cut..11.52.911.52.9
removal cut..8.22.58.22.5
plentering......
thinning of mountain forest......
coppice cut......
conversion..1.61.21.61.2
transformation......
sanitary felling......
plentering in broadleaf forest..12.33.012.33.0
tending of forest edge..1.61.21.61.2
planting......
agrosilvicultural treatments......
total..100.0.100.0.
AIno treatment33.328.015.110.118.59.9
tending..7.67.56.26.1
thinning..54.614.144.512.8
establishment cut..15.110.112.38.4
removal cut......
plentering..7.67.56.26.1
thinning of mountain forest66.727.9..12.38.4
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
ARno treatment..20.88.420.08.1
tending..8.35.88.05.5
thinning..37.510.036.09.7
establishment cut100.0.29.29.432.09.5
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..4.24.24.04.0
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
BEno treatment28.87.018.81.819.61.8
tending9.54.510.61.410.51.4
thinning9.54.521.91.920.81.8
establishment cut4.73.312.11.511.51.4
removal cut4.73.33.70.93.80.9
plentering2.42.39.51.48.91.3
thinning of mountain forest40.37.612.41.614.81.6
coppice cut......
conversion..1.30.51.20.5
transformation..0.40.30.40.3
sanitary felling..1.80.61.60.6
plentering in broadleaf forest..4.41.04.00.9
tending of forest edge..0.70.40.60.3
planting..0.20.20.20.2
agrosilvicultural treatments..2.20.72.00.6
total100.0.100.0.100.0.
BL/BSno treatment..7.93.87.93.8
tending..7.93.87.93.8
thinning..29.26.429.26.4
establishment cut..15.75.115.75.1
removal cut..9.84.29.84.2
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling..2.02.02.02.0
plentering in broadleaf forest..21.65.821.65.8
tending of forest edge..5.93.35.93.3
planting......
agrosilvicultural treatments......
total..100.0.100.0.
FRno treatment..10.83.010.52.9
tending33.327.314.43.414.93.4
thinning..23.44.022.83.9
establishment cut..23.54.022.83.9
removal cut..7.22.57.02.4
plentering..4.52.04.41.9
thinning of mountain forest66.727.38.12.69.72.8
coppice cut......
conversion......
transformation..0.90.90.90.9
sanitary felling..3.61.83.51.7
plentering in broadleaf forest......
tending of forest edge..2.71.52.61.5
planting......
agrosilvicultural treatments..0.90.90.80.8
total100.0.100.0.100.0.
GEno treatment..14.814.614.814.6
tending..44.320.144.320.1
thinning..40.919.640.919.6
establishment cut......
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total..100.0.100.0.
GLno treatment26.713.326.57.626.56.6
tending..8.84.96.73.8
thinning..5.94.14.53.1
establishment cut......
removal cut9.28.82.92.94.53.1
plentering......
thinning of mountain forest64.214.532.48.140.17.4
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..20.67.015.65.5
tending of forest edge..2.92.92.22.2
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
GRno treatment56.56.361.82.461.12.2
tending4.82.75.91.25.81.1
thinning3.22.24.01.03.90.9
establishment cut14.54.511.61.612.01.5
removal cut1.61.62.10.72.10.6
plentering..2.10.71.90.6
thinning of mountain forest19.35.010.01.511.21.4
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..0.90.50.80.4
planting......
agrosilvicultural treatments..1.40.61.30.5
total100.0.100.0.100.0.
JUno treatment100.0.5.92.68.12.9
tending..9.43.29.23.1
thinning..35.35.234.55.1
establishment cut..22.34.521.84.4
removal cut..10.63.410.43.3
plentering......
thinning of mountain forest..5.92.65.82.5
coppice cut......
conversion......
transformation......
sanitary felling..1.21.21.21.2
plentering in broadleaf forest......
tending of forest edge..1.21.21.21.2
planting......
agrosilvicultural treatments..8.23.08.12.9
total100.0.100.0.100.0.
LUno treatment..6.42.26.32.2
tending..10.32.710.22.7
thinning50.035.535.24.335.44.3
establishment cut..18.33.518.03.4
removal cut..1.61.11.61.1
plentering..9.62.69.42.6
thinning of mountain forest50.035.515.43.316.03.3
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..0.80.80.80.8
tending of forest edge..1.61.11.61.1
planting......
agrosilvicultural treatments..0.80.80.80.8
total100.0.100.0.100.0.
NEno treatment..6.22.76.02.6
tending..8.23.08.02.9
thinning..12.03.611.63.5
establishment cut..3.52.03.41.9
removal cut..2.41.72.31.6
plentering66.727.345.95.446.65.3
thinning of mountain forest33.327.41.21.22.31.6
coppice cut......
conversion......
transformation......
sanitary felling..2.41.72.31.6
plentering in broadleaf forest..4.72.34.52.2
tending of forest edge......
planting......
agrosilvicultural treatments..13.53.813.03.7
total100.0.100.0.100.0.
NWno treatment33.327.835.311.835.010.9
tending..5.95.85.05.0
thinning..11.88.010.06.9
establishment cut..5.95.85.05.0
removal cut..17.69.415.08.2
plentering......
thinning of mountain forest66.727.717.69.425.09.9
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..5.95.85.05.0
total100.0.100.0.100.0.
OWno treatment40.022.143.47.443.07.0
tending..15.25.313.74.9
thinning20.018.12.22.23.92.7
establishment cut..10.94.69.84.2
removal cut..6.53.75.93.3
plentering..4.43.03.92.7
thinning of mountain forest40.022.117.45.619.65.6
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
SGno treatment20.012.731.43.930.73.8
tending10.09.55.01.85.31.8
thinning20.012.720.03.420.03.3
establishment cut10.09.515.03.014.72.9
removal cut..2.81.42.71.3
plentering20.012.77.22.28.02.2
thinning of mountain forest20.012.75.01.86.01.9
coppice cut......
conversion..0.70.70.70.7
transformation......
sanitary felling..2.11.22.01.1
plentering in broadleaf forest..7.22.26.72.0
tending of forest edge..2.11.22.01.1
planting......
agrosilvicultural treatments..1.41.01.30.9
total100.0.100.0.100.0.
SHno treatment..2.82.82.82.8
tending..5.63.95.63.9
thinning..61.18.161.18.1
establishment cut..2.82.82.82.8
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..27.87.527.87.5
tending of forest edge......
planting......
agrosilvicultural treatments......
total..100.0.100.0.
SOno treatment..21.44.521.44.5
tending..6.02.66.02.6
thinning..36.95.336.95.3
establishment cut..15.54.015.54.0
removal cut..3.62.03.62.0
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..15.54.015.54.0
tending of forest edge..1.21.21.21.2
planting......
agrosilvicultural treatments......
total..100.0.100.0.
SZno treatment16.715.340.35.838.55.5
tending..6.93.06.42.8
thinning16.715.38.33.39.03.3
establishment cut16.715.319.44.719.24.5
removal cut33.319.31.41.43.82.2
plentering..1.41.41.31.3
thinning of mountain forest16.715.319.44.719.24.5
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..1.41.41.31.3
tending of forest edge......
planting......
agrosilvicultural treatments..1.41.41.31.3
total100.0.100.0.100.0.
TGno treatment..2.82.02.82.0
tending..9.83.59.83.5
thinning..54.75.954.75.9
establishment cut..14.04.114.04.1
removal cut..6.02.96.02.9
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..11.23.811.23.8
tending of forest edge..1.41.41.41.4
planting......
agrosilvicultural treatments......
total..100.0.100.0.
TIno treatment66.79.170.12.669.92.5
tending..0.30.30.30.3
thinning..7.31.56.71.4
establishment cut..4.01.13.71.0
removal cut..2.00.81.80.7
plentering......
thinning of mountain forest29.68.89.31.711.01.7
coppice cut..5.01.34.61.2
conversion..1.00.60.90.5
transformation......
sanitary felling..0.30.30.30.3
plentering in broadleaf forest......
tending of forest edge..0.30.30.30.3
planting......
agrosilvicultural treatments3.73.60.30.30.60.4
total100.0.100.0.100.0.
URno treatment10.09.647.87.640.86.7
tending20.012.7..3.72.6
thinning..18.35.914.94.9
establishment cut..2.22.21.81.8
removal cut......
plentering......
thinning of mountain forest70.014.629.56.936.96.6
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..2.22.21.81.8
total100.0.100.0.100.0.
VDno treatment..15.62.314.92.2
tending..12.02.111.52.0
thinning27.313.419.62.520.02.5
establishment cut27.313.419.22.519.52.5
removal cut9.18.76.41.56.51.5
plentering..9.61.99.21.8
thinning of mountain forest36.414.53.21.14.61.3
coppice cut..2.00.91.90.9
conversion..0.40.40.40.4
transformation......
sanitary felling..3.21.13.01.1
plentering in broadleaf forest......
tending of forest edge..0.40.40.40.4
planting......
agrosilvicultural treatments..8.31.78.01.7
total100.0.100.0.100.0.
VSno treatment41.15.858.83.154.72.8
tending1.41.45.71.54.71.2
thinning4.12.35.31.45.01.2
establishment cut13.74.09.01.810.11.7
removal cut1.41.40.80.60.90.5
plentering..0.40.40.30.3
thinning of mountain forest38.35.717.22.422.02.3
coppice cut......
conversion......
transformation......
sanitary felling..1.60.81.30.6
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.20.70.90.5
total100.0.100.0.100.0.
ZGno treatment......
tending..14.39.714.39.7
thinning..21.411.321.411.3
establishment cut......
removal cut......
plentering..7.17.17.17.1
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..57.113.757.113.7
tending of forest edge......
planting......
agrosilvicultural treatments......
total..100.0.100.0.
ZHno treatment..5.51.95.51.9
tending..11.72.711.72.7
thinning..26.23.726.23.7
establishment cut..6.92.16.92.1
removal cut..4.11.74.11.7
plentering..0.70.70.70.7
thinning of mountain forest......
coppice cut..0.70.70.70.7
conversion..1.41.01.41.0
transformation..0.70.70.70.7
sanitary felling..1.41.01.41.0
plentering in broadleaf forest..36.54.036.54.0
tending of forest edge..3.41.53.41.5
planting......
agrosilvicultural treatments..0.70.70.70.7
total..100.0.100.0.
Switzerlandno treatment39.52.931.50.832.10.7
tending4.31.28.60.58.30.5
thinning6.31.518.90.717.90.6
establishment cut9.81.812.20.612.00.6
removal cut3.01.03.80.43.70.3
plentering1.80.84.80.44.60.3
thinning of mountain forest35.02.98.80.510.90.5
coppice cut..0.70.20.70.1
conversion..0.50.10.50.1
transformation..0.10.10.10.1
sanitary felling..1.10.21.00.2
plentering in broadleaf forest..5.50.45.00.4
tending of forest edge..1.10.21.00.2
planting..0.00.00.00.0
agrosilvicultural treatments0.40.42.30.32.10.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164861/151243

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %
AGno treatment..3.6323.632
tending..10.91710.917
thinning..17.31217.312
establishment cut..5.6255.625
removal cut..4.0304.030
plentering......
thinning of mountain forest......
coppice cut......
conversion..0.8700.870
transformation......
sanitary felling......
plentering in broadleaf forest..6.0246.024
tending of forest edge..0.8700.870
planting......
agrosilvicultural treatments......
total..49.1249.12
AIno treatment0.31000.6691.054
tending..0.31000.3100
thinning..2.3332.333
establishment cut..0.6690.669
removal cut......
plentering..0.31000.3100
thinning of mountain forest0.669..0.669
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total1.0544.3185.212
ARno treatment..1.6411.641
tending..0.6690.669
thinning..2.9272.927
establishment cut0.31002.2332.630
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..0.31000.3100
planting......
agrosilvicultural treatments......
total0.31007.768.05
BEno treatment4.12929.11033.39
tending1.45016.41417.813
thinning1.45033.9935.39
establishment cut0.77118.81319.513
removal cut0.7715.8246.523
plentering0.310014.71515.014
thinning of mountain forest5.82419.31325.111
coppice cut......
conversion..2.1412.141
transformation..0.7710.771
sanitary felling..2.7352.735
plentering in broadleaf forest..6.8226.822
tending of forest edge..1.0581.058
planting..0.31000.3100
agrosilvicultural treatments..3.4313.431
total14.415155.12169.52
BL/BSno treatment..1.6491.649
tending..1.6491.649
thinning..6.0236.023
establishment cut..3.3333.333
removal cut..2.0432.043
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest..4.5274.527
tending of forest edge..1.2571.257
planting......
agrosilvicultural treatments......
total..20.7520.75
FRno treatment..4.5284.528
tending0.41006.0236.423
thinning..9.7189.718
establishment cut..9.7179.717
removal cut..3.0343.034
plentering..1.9441.944
thinning of mountain forest0.7703.4324.129
coppice cut......
conversion......
transformation..0.41000.4100
sanitary felling..1.5491.549
plentering in broadleaf forest......
tending of forest edge..1.1571.157
planting......
agrosilvicultural treatments..0.41000.4100
total1.15741.5342.63
GEno treatment..0.51000.5100
tending..1.4481.448
thinning..1.3541.354
establishment cut......
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total..3.1203.120
GLno treatment1.1573.5314.626
tending..1.2571.257
thinning..0.8700.870
establishment cut......
removal cut0.41000.41000.870
plentering......
thinning of mountain forest2.7364.2276.920
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..2.7362.736
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments......
total4.22813.11117.37
GRno treatment12.21690.85103.04
tending1.0588.7209.818
thinning0.7715.9246.623
establishment cut3.13317.11420.212
removal cut0.31003.1333.531
plentering..3.1333.133
thinning of mountain forest4.22914.71518.813
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..1.4501.450
planting......
agrosilvicultural treatments..2.1412.141
total21.612147.03168.62
JUno treatment0.8701.9442.737
tending..3.1343.134
thinning..11.71511.715
establishment cut..7.4217.421
removal cut..3.5323.532
plentering......
thinning of mountain forest..1.9441.944
coppice cut......
conversion......
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments..2.7362.736
total0.87033.1333.93
LUno treatment..2.5342.534
tending..4.1264.126
thinning0.310013.91314.212
establishment cut..7.2197.219
removal cut..0.6700.670
plentering..3.8283.828
thinning of mountain forest0.31006.1226.421
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..0.31000.3100
tending of forest edge..0.6700.670
planting......
agrosilvicultural treatments..0.31000.3100
total0.67039.4340.03
NEno treatment..1.7441.744
tending..2.2372.237
thinning..3.3303.330
establishment cut..1.0571.057
removal cut..0.6700.670
plentering0.67012.51213.112
thinning of mountain forest0.31000.31000.670
coppice cut......
conversion......
transformation......
sanitary felling..0.6700.670
plentering in broadleaf forest..1.3491.349
tending of forest edge......
planting......
agrosilvicultural treatments..3.7293.729
total1.05727.2528.24
NWno treatment0.41002.3362.732
tending..0.41000.4100
thinning..0.8690.869
establishment cut..0.41000.4100
removal cut..1.2551.255
plentering......
thinning of mountain forest0.8691.2551.940
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..0.41000.4100
total1.2556.5137.78
OWno treatment0.7707.4188.217
tending..2.6362.636
thinning0.41000.41000.770
establishment cut..1.9431.943
removal cut..1.1571.157
plentering..0.7700.770
thinning of mountain forest0.7703.0333.729
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments......
total1.94317.2619.04
SGno treatment0.77015.91316.613
tending0.41002.5372.935
thinning0.77010.11810.817
establishment cut0.41007.6208.020
removal cut..1.4501.450
plentering0.7703.6314.328
thinning of mountain forest0.7702.5373.333
coppice cut......
conversion..0.41000.4100
transformation......
sanitary felling..1.1571.157
plentering in broadleaf forest..3.6313.631
tending of forest edge..1.1581.158
planting......
agrosilvicultural treatments..0.7710.771
total3.63150.6554.24
SHno treatment..0.41000.4100
tending..0.7700.770
thinning..7.8147.814
establishment cut..0.41000.4100
removal cut......
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..3.6273.627
tending of forest edge......
planting......
agrosilvicultural treatments......
total..12.8312.83
SOno treatment..6.8216.821
tending..1.9441.944
thinning..11.71511.715
establishment cut..4.9264.926
removal cut..1.1571.157
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..4.9264.926
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments......
total..31.8331.83
SZno treatment0.410010.51610.915
tending..1.8441.844
thinning0.41002.2402.536
establishment cut0.41005.1255.423
removal cut0.7700.41001.157
plentering..0.41000.4100
thinning of mountain forest0.41005.1255.423
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..0.41000.4100
tending of forest edge......
planting......
agrosilvicultural treatments..0.41000.4100
total2.24026.1628.35
TGno treatment..0.6700.670
tending..2.1362.136
thinning..11.61111.611
establishment cut..3.0303.030
removal cut..1.3501.350
plentering......
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..2.4342.434
tending of forest edge..0.31000.3100
planting......
agrosilvicultural treatments......
total..21.3321.33
TIno treatment6.52375.7582.24
tending..0.41000.4100
thinning..7.9217.921
establishment cut..4.3284.328
removal cut..2.1412.141
plentering......
thinning of mountain forest2.93510.01812.916
coppice cut..5.4255.425
conversion..1.1581.158
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments0.41000.41000.771
total9.719108.03117.72
URno treatment0.31007.0197.419
tending0.770..0.770
thinning..2.7342.734
establishment cut..0.31000.3100
removal cut......
plentering......
thinning of mountain forest2.3364.3266.620
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..0.31000.3100
total3.33014.71118.09
VDno treatment..14.71514.715
tending..11.41711.417
thinning1.15818.61319.713
establishment cut1.15818.21319.313
removal cut0.41006.1246.424
plentering..9.1209.120
thinning of mountain forest1.5503.0354.628
coppice cut..1.9441.944
conversion..0.41000.4100
transformation......
sanitary felling..3.0353.035
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments..7.9217.921
total4.23094.7398.92
VSno treatment10.31849.4759.76
tending0.31004.8265.225
thinning1.0584.5275.525
establishment cut3.4317.52111.017
removal cut0.31000.7711.058
plentering..0.31000.3100
thinning of mountain forest9.61814.41524.011
coppice cut......
conversion......
transformation......
sanitary felling..1.4501.450
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.0581.058
total25.01184.14109.13
ZGno treatment......
tending..0.9680.968
thinning..1.3531.353
establishment cut......
removal cut......
plentering..0.41000.4100
thinning of mountain forest......
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..3.4253.425
tending of forest edge......
planting......
agrosilvicultural treatments......
total..6.066.06
ZHno treatment..2.8352.835
tending..6.0236.023
thinning..13.41413.414
establishment cut..3.5313.531
removal cut..2.1402.140
plentering..0.41000.4100
thinning of mountain forest......
coppice cut..0.41000.4100
conversion..0.7700.770
transformation..0.41000.4100
sanitary felling..0.7700.770
plentering in broadleaf forest..18.71118.711
tending of forest edge..1.8441.844
planting......
agrosilvicultural treatments..0.41000.4100
total..51.1251.12
Switzerlandno treatment37.99335.63373.52
tending4.22992.0696.26
thinning6.024202.04208.04
establishment cut9.419130.05139.45
removal cut2.93540.7943.59
plentering1.74551.2852.97
thinning of mountain forest33.61093.46127.15
coppice cut..7.6227.622
conversion..5.4265.426
transformation..1.4501.450
sanitary felling..12.21712.217
plentering in broadleaf forest..58.6758.67
tending of forest edge..11.61811.618
planting..0.31000.3100
agrosilvicultural treatments0.410024.11224.412
total96.161066.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164862/151244

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey) %± %± %± %± %± %±
inside perimeterno treatment30.712.8..19.46.639.83.659.17.939.42.9
tending....11.15.24.31.5..4.41.2
thinning7.77.4..16.76.25.41.7..6.21.5
establishment cut23.111.7..5.63.811.32.32.62.59.81.8
removal cut7.77.4....3.21.32.62.52.91.0
plentering15.410.0..5.63.80.50.5..1.90.8
thinning of mountain forest15.410.0..41.78.235.53.533.37.535.02.9
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments........2.62.50.40.4
total100.0...100.0.100.0.100.0.100.0.
outside perimeterno treatment11.41.45.20.921.51.755.01.768.32.431.50.8
tending9.31.314.71.48.51.26.30.81.60.78.50.5
thinning27.61.935.71.917.81.67.00.96.71.319.00.7
establishment cut14.01.516.11.414.71.59.61.04.61.112.20.6
removal cut5.21.06.81.02.80.71.60.42.40.83.70.3
plentering12.31.41.80.510.71.31.10.40.30.35.10.4
thinning of mountain forest1.70.60.20.214.71.515.31.210.51.68.80.5
coppice cut0.60.30.50.3....4.01.00.70.2
conversion0.20.21.10.40.50.30.10.10.80.50.50.1
transformation..0.30.20.40.3....0.10.1
sanitary felling2.20.61.40.50.90.40.80.30.30.31.10.2
plentering in broadleaf forest7.11.113.91.44.30.90.90.3..5.40.4
tending of forest edge1.10.51.50.51.80.60.60.30.30.31.10.2
planting0.20.2........0.00.0
agrosilvicultural treatments7.31.10.80.31.40.51.60.40.30.32.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
totalno treatment11.81.45.20.921.41.752.41.567.42.332.10.7
tending9.11.214.71.48.71.25.90.71.50.68.20.5
thinning27.11.935.71.917.71.66.70.86.11.218.00.6
establishment cut14.21.516.11.414.21.49.90.94.41.012.00.6
removal cut5.31.06.81.02.70.71.90.42.40.83.70.3
plentering12.41.41.80.510.41.21.00.30.20.24.80.4
thinning of mountain forest2.00.60.20.216.41.518.91.212.61.611.00.5
coppice cut0.50.30.50.3....3.60.90.60.1
conversion0.20.21.10.40.50.30.10.10.70.40.50.1
transformation..0.30.20.30.2....0.10.1
sanitary felling2.20.61.40.50.80.40.70.30.20.21.00.2
plentering in broadleaf forest6.91.113.91.44.00.80.80.3..4.90.4
tending of forest edge1.10.41.50.51.70.50.50.20.20.21.00.2
planting0.20.2........0.00.0
agrosilvicultural treatments7.11.10.80.31.30.51.30.40.50.32.10.3
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 #164863/151245

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterno treatment1.550..2.53825.6118.22037.89
tending....1.4502.835..4.229
thinning0.4100..2.2413.531..6.024
establishment cut1.158..0.7717.3220.41009.419
removal cut0.4100....2.1410.41002.835
plentering0.771..0.7710.3100..1.845
thinning of mountain forest0.771..5.42622.8124.62733.510
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments........0.41000.4100
total4.727..13.01664.3713.81595.96
outside perimeterno treatment22.31211.91743.68166.4490.14334.33
tending18.31433.7917.31419.0132.14190.46
thinning54.0781.9536.0921.2138.919202.04
establishment cut27.41136.9929.91029.0116.024129.25
removal cut10.21815.5155.8254.8273.23339.59
plentering24.1124.22921.6123.5310.410053.78
thinning of mountain forest3.3330.410029.91046.4813.81593.76
coppice cut1.1581.158....5.3257.522
conversion0.41002.5381.1580.31001.1585.326
transformation..0.7710.771....1.450
sanitary felling4.4293.2331.8452.4380.410012.117
plentering in broadleaf forest13.91632.0108.7202.835..57.38
tending of forest edge2.2413.5313.6311.7450.410011.418
planting0.4100........0.4100
agrosilvicultural treatments14.2161.8452.9354.9270.410024.112
total196.01229.11202.92302.42131.931062.41
totalno treatment23.71211.91746.18192.0398.34372.12
tending18.31433.7918.71321.8122.14194.66
thinning54.4781.9538.2924.6128.919208.04
establishment cut28.51136.9930.61036.396.423138.75
removal cut10.61815.5155.8256.9223.53142.39
plentering24.8114.22922.4123.8300.410055.58
thinning of mountain forest4.0300.410035.3969.2618.413127.35
coppice cut1.1581.158....5.3257.522
conversion0.41002.5381.1580.31001.1585.326
transformation..0.7710.771....1.450
sanitary felling4.4293.2331.8452.4380.410012.117
plentering in broadleaf forest13.91632.0108.7202.835..57.38
tending of forest edge2.2413.5313.6311.7450.410011.418
planting0.4100........0.4100
agrosilvicultural treatments14.2161.8452.9354.9270.77124.412
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164864/151246

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey) %± %± %± %± %± %± %±
inside perimeterno treatment30.812.822.45.519.66.241.15.860.06.959.17.939.42.9
tending..8.63.77.34.11.41.46.03.4..4.41.2
thinning7.77.413.84.57.34.14.12.34.02.8..6.21.5
establishment cut23.111.73.42.47.34.113.74.016.05.22.62.59.81.8
removal cut7.77.43.42.47.34.11.41.4..2.62.52.91.0
plentering15.410.01.71.74.93.4......1.80.8
thinning of mountain forest15.410.046.56.646.37.838.35.714.04.933.37.535.02.9
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........2.62.50.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno treatment8.00.824.91.934.22.658.83.162.02.668.32.431.50.8
tending12.31.010.31.35.11.25.71.55.71.21.60.78.50.5
thinning32.01.415.21.617.12.15.31.44.01.16.71.319.00.7
establishment cut15.11.011.21.413.11.89.01.812.61.84.61.112.20.6
removal cut6.10.73.40.81.50.70.80.61.70.72.40.83.70.3
plentering6.60.710.11.33.00.90.40.42.30.80.30.35.00.4
thinning of mountain forest0.80.319.51.813.41.917.22.48.91.510.51.68.80.5
coppice cut0.50.2........4.01.00.70.2
conversion0.70.20.80.4......0.80.50.50.1
transformation0.20.10.20.20.30.3......0.10.1
sanitary felling1.80.41.00.40.90.51.60.8..0.30.31.10.2
plentering in broadleaf forest10.80.91.20.57.81.5......5.40.4
tending of forest edge1.30.30.60.32.40.8..1.10.60.30.31.10.2
planting0.10.1..........0.00.0
agrosilvicultural treatments3.70.51.80.61.20.61.20.71.70.70.30.32.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno treatment8.20.824.61.832.62.454.72.861.82.467.42.332.20.7
tending12.10.910.11.35.31.24.71.25.71.21.50.68.20.5
thinning31.81.315.01.516.01.95.01.24.01.06.11.218.00.6
establishment cut15.21.010.41.312.51.710.11.713.01.74.41.012.00.6
removal cut6.10.73.40.82.10.70.90.51.50.62.40.83.70.3
plentering6.70.79.21.23.20.90.30.32.00.70.20.24.70.4
thinning of mountain forest1.00.322.31.817.01.922.02.39.51.512.61.611.00.5
coppice cut0.50.2........3.60.90.60.1
conversion0.70.20.70.4......0.70.40.50.1
transformation0.20.10.20.20.30.3......0.10.1
sanitary felling1.70.40.90.40.80.51.30.6..0.20.21.00.2
plentering in broadleaf forest10.70.91.10.46.91.3......4.90.4
tending of forest edge1.30.30.50.32.10.7..1.00.50.20.21.00.2
planting0.10.1..........0.00.0
agrosilvicultural treatments3.70.51.60.51.10.50.90.51.50.60.50.32.10.3
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 #164865/151247

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterno treatment1.4504.7282.83510.31810.5188.22037.99
tending..1.8451.0580.31001.158..4.229
thinning0.41002.9351.0581.0580.771..6.024
establishment cut1.1580.7711.0583.4312.8350.41009.419
removal cut0.41000.7711.0580.3100..0.41002.835
plentering0.7710.41000.771......1.845
thinning of mountain forest0.7719.7196.6229.6182.5384.62733.710
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..........0.41000.4100
total4.72820.91314.21525.01117.61313.81596.26
outside perimeterno treatment34.01045.4839.5849.4776.3590.14334.73
tending52.2818.8135.9244.8267.0222.14190.86
thinning136.3427.81119.7124.5274.9268.919202.04
establishment cut64.4720.61315.2147.52115.5146.024129.15
removal cut25.8116.1241.7450.7712.1413.23339.69
plentering27.91118.4133.4310.31002.8350.410053.28
thinning of mountain forest3.63235.7915.51414.41510.91713.81593.96
coppice cut2.141........5.3257.522
conversion2.9351.450......1.1585.426
transformation0.7710.41000.3100......1.450
sanitary felling7.5221.8451.0581.450..0.410012.117
plentering in broadleaf forest46.182.2419.019......57.38
tending of forest edge5.7251.1582.835..1.4500.410011.318
planting0.4100..........0.4100
agrosilvicultural treatments15.8153.2331.4501.0582.1410.410023.912
total425.31182.82115.5384.14123.13131.931062.71
totalno treatment35.41050.1842.3859.7686.9598.34372.72
tending52.2820.6136.9225.2258.1202.14195.06
thinning136.6430.71020.8125.5255.6258.919208.04
establishment cut65.5721.31216.21411.01718.3136.423138.65
removal cut26.1116.9232.8351.0582.1413.53142.49
plentering28.61118.8134.1280.31002.8350.410055.08
thinning of mountain forest4.32945.4822.11224.01113.41618.413127.65
coppice cut2.141........5.3257.522
conversion2.9351.450......1.1585.426
transformation0.7710.41000.3100......1.450
sanitary felling7.5221.8451.0581.450..0.410012.117
plentering in broadleaf forest46.182.2419.019......57.38
tending of forest edge5.7251.1582.835..1.4500.410011.318
planting0.4100..........0.4100
agrosilvicultural treatments15.8153.2331.4501.0582.1410.77124.312
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164866/151248

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontype of next treatment (interview survey) %± %± %±
Western Jurano treatment31.012.912.11.612.61.6
tending..7.91.37.71.3
thinning7.77.423.42.122.92.0
establishment cut23.011.714.91.815.21.7
removal cut7.77.45.11.15.11.1
plentering15.310.015.91.815.91.8
thinning of mountain forest15.310.02.20.72.60.8
coppice cut..0.70.40.70.4
conversion......
transformation......
sanitary felling..2.60.82.60.8
plentering in broadleaf forest..4.81.14.71.0
tending of forest edge..0.70.40.70.4
planting..0.20.20.20.2
agrosilvicultural treatments..9.41.49.11.4
total100.0.100.0.100.0.
Eastern Jurano treatment..9.02.69.02.6
tending..14.03.114.03.1
thinning..41.74.541.74.5
establishment cut..10.72.810.72.8
removal cut..5.72.15.72.1
plentering......
thinning of mountain forest......
coppice cut......
conversion..0.80.80.80.8
transformation......
sanitary felling..0.80.80.80.8
plentering in broadleaf forest..14.83.214.83.2
tending of forest edge..2.51.42.51.4
planting......
agrosilvicultural treatments......
total..100.0.100.0.
Western Plateauno treatment..8.52.68.52.6
tending..20.43.720.43.7
thinning..28.84.228.84.2
establishment cut..20.23.720.23.7
removal cut..10.92.910.92.9
plentering......
thinning of mountain forest......
coppice cut..1.71.21.71.2
conversion......
transformation......
sanitary felling..4.31.94.31.9
plentering in broadleaf forest......
tending of forest edge..1.71.21.71.2
planting......
agrosilvicultural treatments..3.41.73.41.7
total..100.0.100.0.
Central Plateauno treatment..4.11.34.11.3
tending..13.52.313.52.3
thinning..39.13.339.13.3
establishment cut..21.22.721.22.7
removal cut..5.41.55.41.5
plentering..3.61.33.61.3
thinning of mountain forest..0.50.50.50.5
coppice cut......
conversion..1.40.81.40.8
transformation..0.90.60.90.6
sanitary felling..0.90.60.90.6
plentering in broadleaf forest..8.11.88.11.8
tending of forest edge..1.40.81.40.8
planting......
agrosilvicultural treatments......
total..100.0.100.0.
Eastern Plateauno treatment..4.81.24.81.2
tending..13.41.913.41.9
thinning..36.12.736.12.7
establishment cut..10.91.810.91.8
removal cut..6.11.46.11.4
plentering..1.30.61.30.6
thinning of mountain forest......
coppice cut..0.30.30.30.3
conversion..1.30.61.30.6
transformation......
sanitary felling..0.60.50.60.5
plentering in broadleaf forest..23.32.423.32.4
tending of forest edge..1.60.71.60.7
planting......
agrosilvicultural treatments..0.30.30.30.3
total..100.0.100.0.
Western Pre-Alpsno treatment10.610.121.43.920.63.7
tending33.515.811.63.013.33.1
thinning33.515.816.13.517.43.5
establishment cut..21.53.919.93.6
removal cut..1.81.31.71.2
plentering..4.52.04.11.8
thinning of mountain forest22.314.017.93.618.23.5
coppice cut......
conversion......
transformation..0.90.90.80.8
sanitary felling..1.81.31.71.2
plentering in broadleaf forest......
tending of forest edge..0.90.90.80.8
planting......
agrosilvicultural treatments..1.71.21.61.1
total100.0.100.0.100.0.
Central Pre-Alpsno treatment26.310.117.82.418.42.4
tending..9.51.88.81.7
thinning10.57.116.62.316.22.2
establishment cut..9.11.88.51.7
removal cut..4.71.34.41.2
plentering5.35.117.82.416.92.3
thinning of mountain forest57.911.319.02.521.72.5
coppice cut......
conversion..1.20.71.10.6
transformation......
sanitary felling......
plentering in broadleaf forest..2.41.02.20.9
tending of forest edge..0.80.60.70.5
planting......
agrosilvicultural treatments..1.20.71.10.6
total100.0.100.0.100.0.
Eastern Pre-Alpsno treatment12.511.726.33.125.73.1
tending12.511.75.61.65.81.6
thinning12.511.720.22.919.92.8
establishment cut25.015.318.22.718.52.7
removal cut..1.00.71.00.7
plentering12.511.75.11.65.31.6
thinning of mountain forest25.015.37.61.98.31.9
coppice cut......
conversion......
transformation..0.50.50.50.5
sanitary felling..1.50.91.50.8
plentering in broadleaf forest..9.12.08.72.0
tending of forest edge..3.51.33.41.3
planting......
agrosilvicultural treatments..1.50.91.50.8
total100.0.100.0.100.0.
Northwestern Alpsno treatment23.37.740.14.137.23.7
tending6.74.610.62.69.92.3
thinning10.05.512.02.711.62.5
establishment cut6.74.67.02.17.01.9
removal cut6.74.62.11.22.91.3
plentering..0.70.70.60.6
thinning of mountain forest46.79.121.83.526.23.4
coppice cut......
conversion..0.70.70.60.6
transformation......
sanitary felling..2.11.21.81.0
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..2.81.42.31.2
total100.0.100.0.100.0.
Central Alpsno treatment13.38.847.86.341.25.6
tending13.38.83.12.25.12.5
thinning6.76.514.34.412.83.8
establishment cut..6.33.15.12.5
removal cut13.38.81.61.63.82.2
plentering......
thinning of mountain forest53.312.925.35.530.75.2
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.61.61.31.3
total100.0.100.0.100.0.
Northeastern Alpsno treatment27.810.642.35.939.35.2
tending..5.62.74.52.2
thinning5.65.411.33.810.13.2
establishment cut5.65.45.62.75.62.4
removal cut5.65.42.82.03.41.9
plentering5.65.4..1.11.1
thinning of mountain forest50.011.819.74.725.84.7
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..11.33.89.03.0
tending of forest edge..1.41.41.11.1
planting......
agrosilvicultural treatments......
total100.0.100.0.100.0.
Southwestern Alpsno treatment41.15.858.83.154.72.8
tending1.41.45.71.54.71.2
thinning4.12.35.31.45.01.2
establishment cut13.74.09.01.810.11.7
removal cut1.41.40.80.60.90.5
plentering..0.40.40.30.3
thinning of mountain forest38.35.717.22.422.02.3
coppice cut......
conversion......
transformation......
sanitary felling..1.60.81.30.6
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.20.70.90.5
total100.0.100.0.100.0.
Southeastern Alpsno treatment60.06.962.02.661.82.4
tending6.03.45.71.25.71.2
thinning4.02.84.01.14.01.0
establishment cut16.05.212.61.813.01.7
removal cut..1.70.71.50.6
plentering..2.30.82.00.7
thinning of mountain forest14.04.98.91.59.51.5
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..1.10.61.00.5
planting......
agrosilvicultural treatments..1.70.71.50.6
total100.0.100.0.100.0.
Southern Alpsno treatment59.17.968.32.467.42.3
tending..1.60.71.50.6
thinning..6.71.36.11.2
establishment cut2.62.54.61.14.41.0
removal cut2.62.52.40.82.40.8
plentering..0.30.30.20.2
thinning of mountain forest33.37.510.51.612.61.6
coppice cut..4.01.03.60.9
conversion..0.80.50.70.4
transformation......
sanitary felling..0.30.30.20.2
plentering in broadleaf forest......
tending of forest edge..0.30.30.20.2
planting......
agrosilvicultural treatments2.62.50.30.30.50.3
total100.0.100.0.100.0.
Switzerlandno treatment39.42.931.50.832.10.7
tending4.41.28.60.58.20.5
thinning6.31.519.00.717.90.6
establishment cut9.81.812.10.611.90.6
removal cut2.91.03.70.33.70.3
plentering1.90.85.00.44.70.4
thinning of mountain forest35.02.98.80.511.00.5
coppice cut..0.70.20.70.1
conversion..0.50.10.50.1
transformation..0.10.10.10.1
sanitary felling..1.20.21.10.2
plentering in broadleaf forest..5.40.44.90.4
tending of forest edge..1.10.21.00.2
planting..0.00.00.00.0
agrosilvicultural treatments0.40.42.30.32.10.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164867/151249

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · type of next treatment (interview survey) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %
Western Jurano treatment1.45017.91319.313
tending..11.81711.817
thinning0.410034.6935.09
establishment cut1.15822.11223.212
removal cut0.41007.5217.821
plentering0.77123.51124.311
thinning of mountain forest0.7713.2333.930
coppice cut..1.1581.158
conversion......
transformation......
sanitary felling..3.9303.930
plentering in broadleaf forest..7.1227.122
tending of forest edge..1.1581.158
planting..0.41000.4100
agrosilvicultural treatments..14.01514.015
total4.627148.22152.82
Eastern Jurano treatment..4.4294.429
tending..6.7236.723
thinning..20.11120.111
establishment cut..5.1265.126
removal cut..2.8372.837
plentering......
thinning of mountain forest......
coppice cut......
conversion..0.41000.4100
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest..7.1227.122
tending of forest edge..1.2571.257
planting......
agrosilvicultural treatments......
total..48.2248.22
Western Plateauno treatment..4.1304.130
tending..9.9189.918
thinning..14.01514.015
establishment cut..9.8199.819
removal cut..5.3275.327
plentering......
thinning of mountain forest......
coppice cut..0.8700.870
conversion......
transformation......
sanitary felling..2.1442.144
plentering in broadleaf forest......
tending of forest edge..0.8700.870
planting......
agrosilvicultural treatments..1.6491.649
total..48.4348.43
Central Plateauno treatment..2.8332.833
tending..9.3179.317
thinning..26.9926.99
establishment cut..14.61314.613
removal cut..3.7283.728
plentering..2.5352.535
thinning of mountain forest..0.31000.3100
coppice cut......
conversion..0.9570.957
transformation..0.6710.671
sanitary felling..0.6710.671
plentering in broadleaf forest..5.6235.623
tending of forest edge..0.9570.957
planting......
agrosilvicultural treatments......
total..68.7268.72
Eastern Plateauno treatment..5.4255.425
tending..15.01415.014
thinning..40.4840.48
establishment cut..12.21612.216
removal cut..6.8226.822
plentering..1.4501.450
thinning of mountain forest......
coppice cut..0.41000.4100
conversion..1.4501.450
transformation......
sanitary felling..0.7710.771
plentering in broadleaf forest..26.11026.110
tending of forest edge..1.8441.844
planting......
agrosilvicultural treatments..0.41000.4100
total..111.92111.92
Western Pre-Alpsno treatment0.41008.9199.218
tending1.1574.8265.923
thinning1.1576.7227.820
establishment cut..8.9188.918
removal cut..0.7700.770
plentering..1.9441.944
thinning of mountain forest0.7707.4218.120
coppice cut......
conversion......
transformation..0.41000.4100
sanitary felling..0.7700.770
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments..0.7710.771
total3.33341.4444.84
Central Pre-Alpsno treatment1.84416.11417.913
tending..8.6208.620
thinning0.77115.11415.814
establishment cut..8.2208.220
removal cut..4.3284.328
plentering0.410016.11416.514
thinning of mountain forest3.93017.21321.212
coppice cut......
conversion..1.1581.158
transformation......
sanitary felling......
plentering in broadleaf forest..2.2402.240
tending of forest edge..0.7710.771
planting......
agrosilvicultural treatments..1.1581.158
total6.82290.7397.52
Eastern Pre-Alpsno treatment0.410018.61218.912
tending0.41003.9304.328
thinning0.410014.31414.614
establishment cut0.77112.91513.615
removal cut..0.7710.771
plentering0.41003.6313.929
thinning of mountain forest0.7715.4256.123
coppice cut......
conversion......
transformation..0.41000.4100
sanitary felling..1.1571.157
plentering in broadleaf forest..6.4236.423
tending of forest edge..2.5372.537
planting......
agrosilvicultural treatments..1.1581.158
total2.93570.7373.63
Northwestern Alpsno treatment2.53720.41122.911
tending0.7715.4256.123
thinning1.1576.1237.221
establishment cut0.7713.6314.328
removal cut0.7711.1571.844
plentering..0.41000.4100
thinning of mountain forest5.02611.11716.113
coppice cut......
conversion..0.41000.4100
transformation......
sanitary felling..1.1581.158
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.4501.450
total10.71750.8561.54
Central Alpsno treatment0.77010.41611.116
tending0.7700.7701.449
thinning0.31003.1323.531
establishment cut..1.4491.449
removal cut0.7700.31001.057
plentering......
thinning of mountain forest2.7345.5238.318
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..0.31000.3100
total5.22421.8927.07
Northeastern Alpsno treatment1.84410.71612.515
tending..1.4491.449
thinning0.41002.9353.232
establishment cut0.41001.4491.844
removal cut0.41000.7701.157
plentering0.4100..0.4100
thinning of mountain forest3.2325.0258.219
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest..2.9342.934
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments......
total6.42225.4831.96
Southwestern Alpsno treatment10.31849.4759.76
tending0.31004.8265.225
thinning1.0584.5275.525
establishment cut3.4317.52111.017
removal cut0.31000.7711.058
plentering..0.31000.3100
thinning of mountain forest9.61814.41524.011
coppice cut......
conversion......
transformation......
sanitary felling..1.4501.450
plentering in broadleaf forest......
tending of forest edge......
planting......
agrosilvicultural treatments..1.0581.058
total25.01184.14109.13
Southeastern Alpsno treatment10.51876.3586.95
tending1.1587.0228.120
thinning0.7714.9265.625
establishment cut2.83515.51418.313
removal cut..2.1412.141
plentering..2.8352.835
thinning of mountain forest2.53810.91713.416
coppice cut......
conversion......
transformation......
sanitary felling......
plentering in broadleaf forest......
tending of forest edge..1.4501.450
planting......
agrosilvicultural treatments..2.1412.141
total17.613123.13140.62
Southern Alpsno treatment8.22090.1498.34
tending..2.1412.141
thinning..8.9198.919
establishment cut0.41006.0246.423
removal cut0.41003.2333.531
plentering..0.41000.4100
thinning of mountain forest4.62713.81518.413
coppice cut..5.3255.325
conversion..1.1581.158
transformation......
sanitary felling..0.41000.4100
plentering in broadleaf forest......
tending of forest edge..0.41000.4100
planting......
agrosilvicultural treatments0.41000.41000.771
total13.815131.93145.72
Switzerlandno treatment37.99335.43373.42
tending4.32991.5695.86
thinning6.024202.24208.34
establishment cut9.419129.25138.65
removal cut2.83539.9942.89
plentering1.84552.9854.78
thinning of mountain forest33.71094.36128.05
coppice cut..7.6227.622
conversion..5.3265.326
transformation..1.3501.350
sanitary felling..12.31712.317
plentering in broadleaf forest..57.4757.47
tending of forest edge..11.51811.518
planting..0.41000.4100
agrosilvicultural treatments0.410024.11224.512
total96.461065.311161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164868/151250

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha....19.13.817.74.628.67.031.77.321.22.5
101-200 stems/ha....25.44.230.95.631.07.129.37.126.92.7
201-300 stems/ha53.913.8..23.64.122.05.016.75.821.96.523.42.6
301-400 stems/ha30.712.8..13.63.314.74.316.75.87.34.114.22.1
401-500 stems/ha15.410.0..8.22.67.33.27.14.07.34.18.01.6
501- 600 stems/ha....6.42.32.92.0....3.31.1
more than 600 stems/ha....3.61.84.42.5..2.42.42.91.0
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha24.01.928.31.725.31.541.93.435.42.839.02.529.70.8
101-200 stems/ha28.62.029.61.725.91.528.63.126.92.623.72.227.30.8
201-300 stems/ha24.91.923.41.621.71.412.42.218.52.317.51.921.20.7
301-400 stems/ha12.81.512.21.212.41.110.62.110.11.811.61.612.00.6
401-500 stems/ha5.00.94.40.87.70.94.61.46.31.45.51.25.80.4
501- 600 stems/ha3.20.81.00.43.80.70.90.62.10.91.60.62.40.3
more than 600 stems/ha1.50.51.10.43.20.60.90.70.70.51.10.51.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.41.828.31.724.61.436.12.834.52.638.32.429.00.8
101-200 stems/ha27.91.929.61.725.81.429.12.727.42.524.22.127.20.8
201-300 stems/ha25.61.923.41.621.91.314.72.118.32.118.01.921.40.7
301-400 stems/ha13.21.512.21.212.51.111.61.911.01.711.21.512.20.6
401-500 stems/ha5.21.04.40.87.70.95.31.36.41.45.71.16.00.4
501- 600 stems/ha3.20.81.00.44.10.61.40.71.80.71.40.62.50.3
more than 600 stems/ha1.50.51.10.43.30.61.80.80.60.41.20.51.80.2
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, 07.11.2014 #164869/151251

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha....7.5224.1284.2284.62720.513
101-200 stems/ha....9.9197.2214.6274.32926.011
201-300 stems/ha2.538..9.2195.1252.5373.23322.612
301-400 stems/ha1.450..5.3263.4312.5371.15813.716
401-500 stems/ha0.771..3.2331.7441.1581.1587.721
501- 600 stems/ha....2.5380.771....3.233
more than 600 stems/ha....1.4501.058..0.41002.835
total4.727..39.0923.31114.81514.61596.46
outside perimeter0-100 stems/ha45.4872.8677.4631.1935.7952.97315.43
101-200 stems/ha54.1776.0679.1621.21227.21032.110289.73
201-300 stems/ha47.2860.1766.379.21818.71323.711225.34
301-400 stems/ha24.11231.51038.097.92010.21815.714127.45
401-500 stems/ha9.41911.31723.4123.4316.4237.52161.47
501- 600 stems/ha6.1242.53811.7170.7712.1412.14125.312
more than 600 stems/ha2.9352.8359.9190.7710.7711.45018.514
total189.22257.11305.9274.34101.13135.431062.91
total0-100 stems/ha45.4872.8684.9635.3840.0857.57335.93
101-200 stems/ha54.1776.0689.0628.41031.8936.49315.73
201-300 stems/ha49.7760.1775.6614.41421.21226.911247.93
301-400 stems/ha25.61131.51043.3911.31712.71616.714141.15
401-500 stems/ha10.11811.31726.6115.1257.4218.52069.17
501- 600 stems/ha6.1242.53814.2161.4502.1412.14128.411
more than 600 stems/ha2.9352.83511.4171.7450.7711.84521.313
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164870/151252

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified) %± %± %±
AG0-100 stems/ha..41.04.441.04.4
101-200 stems/ha..31.14.231.14.2
201-300 stems/ha..17.23.417.23.4
301-400 stems/ha..8.22.58.22.5
401-500 stems/ha..0.80.80.80.8
501- 600 stems/ha..0.80.80.80.8
more than 600 stems/ha..0.80.80.80.8
total..100.0.100.0.
AI0-100 stems/ha..15.110.112.38.4
101-200 stems/ha......
201-300 stems/ha..22.711.918.59.9
301-400 stems/ha66.727.939.513.944.512.8
401-500 stems/ha33.328.07.67.512.38.4
501- 600 stems/ha......
more than 600 stems/ha..15.110.112.38.4
total100.0.100.0.100.0.
AR0-100 stems/ha..20.88.420.08.1
101-200 stems/ha..4.24.24.04.0
201-300 stems/ha..12.56.912.06.6
301-400 stems/ha..29.29.428.09.1
401-500 stems/ha100.0.20.88.424.08.7
501- 600 stems/ha..4.24.24.04.0
more than 600 stems/ha..8.35.78.05.5
total100.0.100.0.100.0.
BE0-100 stems/ha21.56.425.22.024.91.9
101-200 stems/ha28.57.028.72.128.72.0
201-300 stems/ha26.36.824.02.024.21.9
301-400 stems/ha11.95.011.91.511.91.5
401-500 stems/ha11.95.04.91.05.51.0
501- 600 stems/ha..3.70.93.40.8
more than 600 stems/ha..1.50.61.40.5
total100.0.100.0.100.0.
BL/BS0-100 stems/ha..25.66.225.66.2
101-200 stems/ha..25.66.225.66.2
201-300 stems/ha..33.56.733.56.7
301-400 stems/ha..5.93.35.93.3
401-500 stems/ha..5.93.35.93.3
501- 600 stems/ha..2.02.02.02.0
more than 600 stems/ha..1.61.61.61.6
total..100.0.100.0.
FR0-100 stems/ha33.327.322.54.022.83.9
101-200 stems/ha33.327.325.34.125.54.1
201-300 stems/ha..22.54.021.93.9
301-400 stems/ha33.327.313.53.314.13.3
401-500 stems/ha..9.92.89.62.8
501- 600 stems/ha..2.71.52.61.5
more than 600 stems/ha..3.61.83.51.7
total100.0.100.0.100.0.
GE0-100 stems/ha..44.320.144.320.1
101-200 stems/ha......
201-300 stems/ha..14.814.614.814.6
301-400 stems/ha..40.919.640.919.6
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
GL0-100 stems/ha36.714.735.38.335.67.2
101-200 stems/ha18.311.820.67.020.06.0
201-300 stems/ha26.713.317.66.619.86.0
301-400 stems/ha..11.85.68.94.3
401-500 stems/ha..5.94.14.53.1
501- 600 stems/ha9.28.85.94.16.73.8
more than 600 stems/ha9.28.82.92.94.53.1
total100.0.100.0.100.0.
GR0-100 stems/ha24.25.433.02.331.92.1
101-200 stems/ha33.96.027.32.228.22.0
201-300 stems/ha16.14.719.01.918.61.8
301-400 stems/ha16.14.710.91.511.61.5
401-500 stems/ha8.13.57.11.37.21.2
501- 600 stems/ha1.61.61.90.71.90.6
more than 600 stems/ha..0.70.40.60.4
total100.0.100.0.100.0.
JU0-100 stems/ha..24.74.724.24.6
101-200 stems/ha..28.24.927.54.8
201-300 stems/ha50.035.522.44.523.04.5
301-400 stems/ha50.035.516.54.017.34.1
401-500 stems/ha..5.92.65.82.5
501- 600 stems/ha..1.21.21.21.2
more than 600 stems/ha..1.21.21.21.2
total100.0.100.0.100.0.
LU0-100 stems/ha..16.73.316.53.3
101-200 stems/ha..41.44.440.84.3
201-300 stems/ha50.035.519.13.519.63.5
301-400 stems/ha..10.52.810.32.7
401-500 stems/ha..5.72.15.62.1
501- 600 stems/ha..2.41.42.41.3
more than 600 stems/ha50.035.54.11.84.91.9
total100.0.100.0.100.0.
NE0-100 stems/ha..28.85.027.84.8
101-200 stems/ha..28.55.027.64.8
201-300 stems/ha100.0.23.84.726.44.8
301-400 stems/ha..14.13.813.63.7
401-500 stems/ha..2.41.72.31.6
501- 600 stems/ha..2.41.72.31.6
more than 600 stems/ha......
total100.0.100.0.100.0.
NW0-100 stems/ha..17.69.415.08.2
101-200 stems/ha33.327.811.88.015.08.2
201-300 stems/ha33.327.823.510.525.09.9
301-400 stems/ha..23.510.520.09.1
401-500 stems/ha33.327.85.95.810.06.9
501- 600 stems/ha..17.69.415.08.2
more than 600 stems/ha......
total100.0.100.0.100.0.
OW0-100 stems/ha..28.16.725.46.1
101-200 stems/ha20.018.121.86.121.65.8
201-300 stems/ha40.022.117.45.619.65.6
301-400 stems/ha20.018.117.45.617.75.4
401-500 stems/ha20.018.16.53.77.93.8
501- 600 stems/ha..2.22.22.02.0
more than 600 stems/ha..6.53.75.93.3
total100.0.100.0.100.0.
SG0-100 stems/ha20.012.719.33.319.33.2
101-200 stems/ha40.015.523.63.624.73.5
201-300 stems/ha10.09.526.43.725.33.6
301-400 stems/ha10.09.512.22.812.02.7
401-500 stems/ha..11.42.710.72.5
501- 600 stems/ha10.09.54.31.74.71.7
more than 600 stems/ha10.09.52.91.43.31.5
total100.0.100.0.100.0.
SH0-100 stems/ha..13.95.813.95.8
101-200 stems/ha..30.67.830.67.8
201-300 stems/ha..30.67.830.67.8
301-400 stems/ha..5.63.95.63.9
401-500 stems/ha..16.76.316.76.3
501- 600 stems/ha..2.82.82.82.8
more than 600 stems/ha......
total..100.0.100.0.
SO0-100 stems/ha..26.24.826.24.8
101-200 stems/ha..32.15.132.15.1
201-300 stems/ha..19.04.319.04.3
301-400 stems/ha..14.33.814.33.8
401-500 stems/ha..6.02.66.02.6
501- 600 stems/ha..1.21.21.21.2
more than 600 stems/ha..1.21.21.21.2
total..100.0.100.0.
SZ0-100 stems/ha33.319.322.24.923.14.8
101-200 stems/ha16.715.329.25.428.25.1
201-300 stems/ha..23.65.021.84.7
301-400 stems/ha50.020.515.34.317.94.4
401-500 stems/ha..6.93.06.42.8
501- 600 stems/ha..1.41.41.31.3
more than 600 stems/ha..1.41.41.31.3
total100.0.100.0.100.0.
TG0-100 stems/ha..26.75.326.75.3
101-200 stems/ha..26.75.326.75.3
201-300 stems/ha..24.25.124.25.1
301-400 stems/ha..14.04.114.04.1
401-500 stems/ha..5.62.75.62.7
501- 600 stems/ha..1.41.41.41.4
more than 600 stems/ha..1.41.41.41.4
total..100.0.100.0.
TI0-100 stems/ha37.19.340.72.840.42.7
101-200 stems/ha22.28.024.22.524.12.4
201-300 stems/ha29.68.817.52.218.52.1
301-400 stems/ha3.73.611.61.811.01.7
401-500 stems/ha3.73.63.61.13.71.0
501- 600 stems/ha..1.30.71.20.6
more than 600 stems/ha3.73.61.00.61.20.6
total100.0.100.0.100.0.
UR0-100 stems/ha20.012.734.97.232.26.4
101-200 stems/ha20.012.718.05.818.35.3
201-300 stems/ha30.014.613.55.116.55.1
301-400 stems/ha10.09.515.75.514.74.8
401-500 stems/ha..6.73.85.53.1
501- 600 stems/ha20.012.74.53.17.33.6
more than 600 stems/ha..6.73.85.53.1
total100.0.100.0.100.0.
VD0-100 stems/ha9.18.726.82.826.12.7
101-200 stems/ha18.211.629.92.929.42.8
201-300 stems/ha18.211.624.12.723.82.6
301-400 stems/ha18.211.69.21.89.61.8
401-500 stems/ha9.18.74.01.24.21.2
501- 600 stems/ha18.211.64.01.24.61.3
more than 600 stems/ha9.18.72.00.92.30.9
total100.0.100.0.100.0.
VS0-100 stems/ha16.54.441.63.235.92.7
101-200 stems/ha28.75.327.02.827.42.5
201-300 stems/ha24.65.013.92.216.32.1
301-400 stems/ha15.14.210.21.911.31.8
401-500 stems/ha8.23.25.31.46.01.3
501- 600 stems/ha2.71.90.80.61.30.6
more than 600 stems/ha4.12.31.20.71.90.8
total100.0.100.0.100.0.
ZG0-100 stems/ha..35.713.235.713.2
101-200 stems/ha..28.612.528.612.5
201-300 stems/ha..21.411.321.411.3
301-400 stems/ha..14.39.714.39.7
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
ZH0-100 stems/ha..29.63.829.63.8
101-200 stems/ha..24.93.624.93.6
201-300 stems/ha..28.33.728.33.7
301-400 stems/ha..11.72.711.72.7
401-500 stems/ha..4.81.84.81.8
501- 600 stems/ha......
more than 600 stems/ha..0.70.70.70.7
total..100.0.100.0.
Switzerland0-100 stems/ha21.32.529.80.829.10.8
101-200 stems/ha27.02.727.20.827.20.8
201-300 stems/ha23.32.621.20.721.40.7
301-400 stems/ha14.22.112.00.612.10.6
401-500 stems/ha8.01.65.70.45.90.4
501- 600 stems/ha3.31.12.40.32.40.3
more than 600 stems/ha2.91.01.70.21.80.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #164871/151253

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha..20.11120.111
101-200 stems/ha..15.31415.314
201-300 stems/ha..8.5208.520
301-400 stems/ha..4.0304.030
401-500 stems/ha..0.41000.4100
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total..49.1249.12
AI0-100 stems/ha..0.6690.669
101-200 stems/ha......
201-300 stems/ha..1.0541.054
301-400 stems/ha0.6691.7422.333
401-500 stems/ha0.31000.31000.669
501- 600 stems/ha......
more than 600 stems/ha..0.6690.669
total1.0544.3185.212
AR0-100 stems/ha..1.6411.641
101-200 stems/ha..0.31000.3100
201-300 stems/ha..1.0551.055
301-400 stems/ha..2.2332.233
401-500 stems/ha0.31001.6411.936
501- 600 stems/ha..0.31000.3100
more than 600 stems/ha..0.6690.669
total0.31007.768.05
BE0-100 stems/ha3.13339.0842.18
101-200 stems/ha4.12944.5848.67
201-300 stems/ha3.83037.2941.08
301-400 stems/ha1.74518.51320.212
401-500 stems/ha1.7457.6219.319
501- 600 stems/ha..5.8245.824
more than 600 stems/ha..2.4382.438
total14.415155.12169.52
BL/BS0-100 stems/ha..5.3245.324
101-200 stems/ha..5.3245.324
201-300 stems/ha..6.9206.920
301-400 stems/ha..1.2571.257
401-500 stems/ha..1.2571.257
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.31000.3100
total..20.7520.75
FR0-100 stems/ha0.41009.3189.718
101-200 stems/ha0.410010.51710.816
201-300 stems/ha..9.3189.318
301-400 stems/ha0.41005.6246.023
401-500 stems/ha..4.1294.129
501- 600 stems/ha..1.1571.157
more than 600 stems/ha..1.5491.549
total1.15741.5342.63
GE0-100 stems/ha..1.4481.448
101-200 stems/ha......
201-300 stems/ha..0.51000.5100
301-400 stems/ha..1.3541.354
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..3.1203.120
GL0-100 stems/ha1.5494.6266.221
101-200 stems/ha0.8702.7363.531
201-300 stems/ha1.1572.3393.431
301-400 stems/ha..1.5491.549
401-500 stems/ha..0.8700.870
501- 600 stems/ha0.41000.8701.257
more than 600 stems/ha0.41000.41000.870
total4.22813.11117.37
GR0-100 stems/ha5.22548.6753.87
101-200 stems/ha7.32140.1847.58
201-300 stems/ha3.53127.91031.410
301-400 stems/ha3.53116.11419.513
401-500 stems/ha1.74510.51812.216
501- 600 stems/ha0.31002.8353.233
more than 600 stems/ha..1.0581.058
total21.612147.03168.62
JU0-100 stems/ha..8.2198.219
101-200 stems/ha..9.3189.318
201-300 stems/ha0.41007.4217.820
301-400 stems/ha0.41005.5255.824
401-500 stems/ha..1.9441.944
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total0.87033.1333.93
LU0-100 stems/ha..6.6206.620
101-200 stems/ha..16.31116.311
201-300 stems/ha0.31007.5197.818
301-400 stems/ha..4.1274.127
401-500 stems/ha..2.3372.337
501- 600 stems/ha..0.9570.957
more than 600 stems/ha0.31001.6441.940
total0.67039.4340.03
NE0-100 stems/ha..7.8187.818
101-200 stems/ha..7.8187.818
201-300 stems/ha1.0576.5207.419
301-400 stems/ha..3.8273.827
401-500 stems/ha..0.6700.670
501- 600 stems/ha..0.6700.670
more than 600 stems/ha......
total1.05727.2528.24
NW0-100 stems/ha..1.2551.255
101-200 stems/ha0.41000.8691.255
201-300 stems/ha0.41001.5461.940
301-400 stems/ha..1.5461.546
401-500 stems/ha0.41000.41000.869
501- 600 stems/ha..1.2551.255
more than 600 stems/ha......
total1.2556.5137.78
OW0-100 stems/ha..4.8254.825
101-200 stems/ha0.41003.7294.127
201-300 stems/ha0.7703.0333.729
301-400 stems/ha0.41003.0333.431
401-500 stems/ha0.41001.1571.549
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..1.1571.157
total1.94317.2619.04
SG0-100 stems/ha0.7709.71810.517
101-200 stems/ha1.45011.91613.415
201-300 stems/ha0.410013.41513.715
301-400 stems/ha0.41006.1236.522
401-500 stems/ha..5.8245.824
501- 600 stems/ha0.41002.2402.537
more than 600 stems/ha0.41001.4501.844
total3.63150.6554.24
SH0-100 stems/ha..1.8421.842
101-200 stems/ha..3.9263.926
201-300 stems/ha..3.9263.926
301-400 stems/ha..0.7700.770
401-500 stems/ha..2.1382.138
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha......
total..12.8312.83
SO0-100 stems/ha..8.3198.319
101-200 stems/ha..10.21610.216
201-300 stems/ha..6.1236.123
301-400 stems/ha..4.5274.527
401-500 stems/ha..1.9441.944
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total..31.8331.83
SZ0-100 stems/ha0.7705.8236.522
101-200 stems/ha0.41007.6198.019
201-300 stems/ha..6.2226.222
301-400 stems/ha1.1574.0285.125
401-500 stems/ha..1.8441.844
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total2.24026.1628.35
TG0-100 stems/ha..5.7205.720
101-200 stems/ha..5.7205.720
201-300 stems/ha..5.2225.222
301-400 stems/ha..3.0303.030
401-500 stems/ha..1.2491.249
501- 600 stems/ha..0.31000.3100
more than 600 stems/ha..0.31000.3100
total..21.3321.33
TI0-100 stems/ha3.63144.0847.67
101-200 stems/ha2.14126.21128.310
201-300 stems/ha2.93518.91321.712
301-400 stems/ha0.410012.51612.916
401-500 stems/ha0.41003.9304.328
501- 600 stems/ha..1.4501.450
more than 600 stems/ha0.41001.1581.450
total9.719108.03117.72
UR0-100 stems/ha0.7705.1255.823
101-200 stems/ha0.7702.6343.330
201-300 stems/ha1.0572.0393.031
301-400 stems/ha0.31002.3362.634
401-500 stems/ha..1.0571.057
501- 600 stems/ha0.7700.7701.349
more than 600 stems/ha..1.0571.057
total3.33014.71118.09
VD0-100 stems/ha0.410025.41125.811
101-200 stems/ha0.87128.31029.110
201-300 stems/ha0.87122.81123.511
301-400 stems/ha0.8718.7209.519
401-500 stems/ha0.41003.8314.230
501- 600 stems/ha0.8713.8314.528
more than 600 stems/ha0.41001.9442.340
total4.23094.7398.92
VS0-100 stems/ha4.12935.0939.18
101-200 stems/ha7.22122.71129.910
201-300 stems/ha6.22311.71617.813
301-400 stems/ha3.8308.61912.316
401-500 stems/ha2.1414.5276.522
501- 600 stems/ha0.7710.7711.450
more than 600 stems/ha1.0581.0582.141
total25.01184.14109.13
ZG0-100 stems/ha..2.1372.137
101-200 stems/ha..1.7441.744
201-300 stems/ha..1.3531.353
301-400 stems/ha..0.9680.968
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..6.066.06
ZH0-100 stems/ha..15.21315.213
101-200 stems/ha..12.71512.715
201-300 stems/ha..14.51314.513
301-400 stems/ha..6.0236.023
401-500 stems/ha..2.5372.537
501- 600 stems/ha......
more than 600 stems/ha..0.41000.4100
total..51.1251.12
Switzerland0-100 stems/ha20.513317.33337.73
101-200 stems/ha25.911290.23316.13
201-300 stems/ha22.312226.24248.53
301-400 stems/ha13.616127.55141.25
401-500 stems/ha7.62161.3768.97
501- 600 stems/ha3.23325.31228.511
more than 600 stems/ha2.83518.31421.213
total96.161066.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #164872/151254

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha....11.15.222.63.130.87.421.12.5
101-200 stems/ha....30.67.727.43.330.87.427.02.7
201-300 stems/ha53.813.8..16.76.223.13.120.56.523.42.6
301-400 stems/ha30.812.8..19.46.613.42.57.74.314.32.1
401-500 stems/ha15.410.0..13.95.86.41.87.74.38.11.7
501- 600 stems/ha....2.82.74.31.5..3.31.1
more than 600 stems/ha....5.63.82.71.22.62.52.91.0
total100.0...100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha23.11.830.51.820.11.735.61.638.82.529.60.8
101-200 stems/ha28.92.029.81.827.71.925.71.523.62.227.30.8
201-300 stems/ha26.41.921.01.622.61.818.71.317.42.021.20.7
301-400 stems/ha12.31.412.61.313.31.410.51.011.81.712.00.6
401-500 stems/ha5.41.03.70.78.31.26.00.85.61.25.80.4
501- 600 stems/ha2.60.71.20.44.40.92.10.51.60.72.40.3
more than 600 stems/ha1.30.51.20.43.60.81.50.41.10.51.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha22.51.830.51.819.51.633.31.438.12.428.90.8
101-200 stems/ha28.21.929.81.827.91.826.01.324.32.127.20.8
201-300 stems/ha27.11.921.01.622.21.719.51.217.71.921.40.7
301-400 stems/ha12.71.412.61.313.71.411.01.011.41.612.20.6
401-500 stems/ha5.61.03.70.78.71.26.00.75.81.26.00.4
501- 600 stems/ha2.50.71.20.44.30.82.50.51.50.62.50.3
more than 600 stems/ha1.30.51.20.43.70.81.70.41.20.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164873/151255

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha....1.45014.5154.32920.213
101-200 stems/ha....4.03017.6144.32925.811
201-300 stems/ha2.638..2.24114.9152.83522.412
301-400 stems/ha1.550..2.5388.6201.15813.716
401-500 stems/ha0.771..1.8454.1291.1587.721
501- 600 stems/ha....0.41002.835..3.133
more than 600 stems/ha....0.7711.7450.41002.835
total4.727..13.01664.3713.81595.96
outside perimeter0-100 stems/ha45.3869.9640.79107.6551.27314.73
101-200 stems/ha56.6768.2656.2777.6631.210289.83
201-300 stems/ha51.8748.1845.8856.7722.912225.34
301-400 stems/ha24.11228.81027.01131.81015.614127.35
401-500 stems/ha10.6188.42016.91418.0147.42161.47
501- 600 stems/ha5.1262.8359.0206.3232.14125.312
more than 600 stems/ha2.6382.8357.2224.5281.45018.514
total196.01229.11202.92302.42131.931062.41
total0-100 stems/ha45.3869.9642.28122.1555.57335.03
101-200 stems/ha56.6768.2660.2795.2535.49315.63
201-300 stems/ha54.4748.1847.9871.6625.811247.83
301-400 stems/ha25.61128.81029.51040.4916.614141.05
401-500 stems/ha11.3178.42018.71322.2128.52069.27
501- 600 stems/ha5.1262.8359.4199.0192.14128.411
more than 600 stems/ha2.6382.8357.9216.2231.84521.313
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #164874/151256

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
inside perimeter0-20%......1.51.53.13.11.71.2
21-40%11.010.4....4.62.63.13.14.41.9
41-60%......19.74.99.55.213.73.2
61-80%22.213.9..62.517.127.25.518.76.926.74.1
over 80%66.715.7100.0.37.517.146.96.165.58.453.54.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.50.51.20.41.00.41.40.41.10.51.30.2
21-40%1.50.52.00.53.90.89.00.95.31.14.80.4
41-60%7.01.15.70.914.91.527.81.415.01.815.60.6
61-80%23.31.821.71.632.21.933.41.528.42.328.40.8
over 80%66.72.069.41.848.12.128.31.450.32.649.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.20.41.00.41.40.41.20.51.30.2
21-40%1.60.52.00.53.80.88.70.95.11.14.80.4
41-60%6.91.15.70.914.71.427.31.414.61.715.50.6
61-80%23.31.821.61.632.61.933.11.427.62.228.30.8
over 80%66.72.069.51.847.92.029.51.451.52.550.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164875/151257

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%......0.31000.41000.771
21-40%0.4100....1.1580.41001.845
41-60%......4.5281.1585.625
61-80%0.771..1.8456.2232.14110.918
over 80%2.2410.41001.15810.7187.42121.813
total3.3330.41002.93522.81211.41740.79
outside perimeter0-20%2.9352.8352.2414.9271.45014.216
21-40%2.9354.6278.32131.0107.12253.88
41-60%13.91613.01631.71095.8520.213174.54
61-80%46.0849.6868.56115.0538.29317.23
over 80%131.83158.93102.4597.3567.66557.92
total197.51228.81213.02343.92134.431117.61
total0-20%2.9352.8352.2415.2261.84514.915
21-40%3.3334.6278.32132.0107.42155.68
41-60%13.91613.01631.710100.2521.312180.14
61-80%46.7849.6870.36121.2540.38328.03
over 80%134.03159.23103.54108.0575.05579.72
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164876/151258

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%....4.34.3....3.13.11.71.2
21-40%10.19.6..4.34.38.65.8..3.13.14.31.9
41-60%..5.65.44.34.329.19.344.416.69.55.213.73.2
61-80%20.012.638.911.517.47.941.610.122.213.918.76.926.74.1
over 80%69.914.555.611.769.69.620.88.333.315.765.58.453.64.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.30.31.60.50.90.51.00.61.30.61.10.51.30.2
21-40%1.80.44.90.95.81.37.81.610.71.65.31.14.80.4
41-60%6.30.716.51.616.02.028.92.634.22.415.01.815.70.6
61-80%22.41.235.52.025.72.333.72.835.52.428.42.328.40.8
over 80%68.21.341.52.151.62.728.52.618.32.050.32.649.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.30.31.60.51.10.50.90.51.20.51.20.51.30.2
21-40%1.80.44.80.95.71.27.91.510.51.55.11.14.80.4
41-60%6.20.716.11.515.31.928.92.534.42.414.61.715.60.6
61-80%22.41.235.62.025.22.334.32.735.22.427.62.228.40.8
over 80%68.21.341.92.152.72.628.02.518.71.951.52.549.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164877/151259

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%....0.3100....0.41000.771
21-40%0.4100..0.31000.771..0.41001.845
41-60%..0.41000.31002.4381.4501.1585.625
61-80%0.7712.5381.4503.4310.7712.14110.918
over 80%2.5383.6315.5251.7441.1587.42121.813
total3.6326.5237.9208.2203.23311.41740.89
outside perimeter0-20%5.7253.2331.1581.0581.7451.45014.216
21-40%7.5229.7197.1227.92014.7157.12254.18
41-60%26.81132.51019.51329.21047.0720.213175.14
61-80%95.5570.0631.2934.0948.9738.29317.73
over 80%290.8281.9562.8628.81025.21167.66557.02
total426.41197.32121.73100.93137.52134.431118.11
total0-20%5.7253.2331.4501.0581.7451.84514.915
21-40%7.9219.7197.5228.61914.7157.42155.88
41-60%26.81132.81019.91331.6948.4721.312180.74
61-80%96.2572.5632.6937.4849.6740.38328.63
over 80%293.3285.5568.3530.5926.31175.05578.82
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164878/151260
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