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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %±
inside perimetern/a..100.0...2.92.0..2.51.4
single-layered44.516.6..12.511.730.05.542.58.633.14.3
multi-layered44.516.6..62.517.148.56.051.58.749.64.5
stratified....25.015.318.64.76.14.214.03.1
clustered structure11.010.4........0.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.50.30.80.32.10.62.30.51.20.61.50.2
single-layered30.22.033.61.837.22.037.31.536.82.435.20.8
multi-layered58.62.159.51.945.12.036.71.547.62.548.00.9
stratified10.41.35.90.914.31.421.21.313.11.714.00.6
clustered structure0.20.20.20.21.20.42.50.51.30.61.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.30.90.42.10.62.30.51.20.51.60.2
single-layered30.42.033.61.836.91.936.81.437.22.335.20.8
multi-layered58.42.159.41.945.42.037.41.547.92.448.10.8
stratified10.31.35.90.914.51.421.11.212.51.614.00.6
clustered structure0.40.30.20.21.10.42.40.51.20.51.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162097/148476

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..0.4100..0.771..1.158
single-layered1.550..0.41007.3225.02614.016
multi-layered1.550..1.84511.7176.02421.013
stratified....0.7714.5280.7715.924
clustered structure0.4100........0.4100
total3.3330.41002.93524.21211.71742.49
outside perimetern/a1.1581.8454.7288.3201.84517.614
single-layered60.2777.7681.46135.0452.27406.52
multi-layered116.84137.4398.75132.9467.76553.62
stratified20.81313.71631.41076.9618.613161.44
clustered structure0.41000.41002.5389.1201.84514.216
total199.31231.01218.72362.32142.131153.31
totaln/a1.1582.1414.7289.0191.84518.714
single-layered61.7777.7681.86142.2457.27420.62
multi-layered118.34137.43100.55144.6473.75574.62
stratified20.81313.71632.11081.4619.313167.34
clustered structure0.7710.41002.5389.1201.84514.516
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162098/148477

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a10.09.5....4.44.39.18.7..2.51.4
single-layered39.915.516.78.828.09.041.610.118.111.642.58.633.04.3
multi-layered39.915.561.111.568.09.333.29.627.213.451.58.749.64.5
stratified..22.29.84.03.920.88.345.615.06.14.214.13.2
clustered structure10.19.6..........0.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.70.22.10.61.90.72.30.82.70.81.20.61.50.2
single-layered32.11.334.02.039.22.642.72.835.92.436.82.435.20.8
multi-layered59.11.444.82.145.22.630.42.635.12.447.62.548.00.9
stratified8.00.817.31.612.81.824.02.422.02.013.11.714.00.6
clustered structure0.20.11.80.60.80.50.70.54.31.01.30.61.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.70.22.10.61.80.72.40.82.80.81.20.51.60.2
single-layered32.21.333.42.038.52.542.62.735.42.337.22.335.20.8
multi-layered58.91.445.32.146.72.530.62.534.92.347.92.448.10.8
stratified7.90.817.41.612.31.723.82.322.62.012.51.614.00.6
clustered structure0.20.11.70.50.80.50.60.44.21.01.20.51.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162099/148478

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.4100....0.41000.4100..1.158
single-layered1.4501.1582.4383.4310.7715.02614.016
multi-layered1.4504.0305.9242.7351.1586.02421.113
stratified..1.4500.31001.7441.8450.7716.024
clustered structure0.4100..........0.4100
total3.6326.5238.6198.2203.93011.71742.59
outside perimetern/a2.9354.3292.4382.4383.9301.84517.714
single-layered138.1468.9650.1745.3752.0752.27406.73
multi-layered254.3390.9557.8632.3950.9767.76553.92
stratified34.41035.0916.41425.51131.91018.613161.74
clustered structure0.7713.6311.1580.7716.3231.84514.216
total430.41202.72127.83106.23145.02142.131154.11
totaln/a3.2334.3292.4382.8354.2281.84518.714
single-layered139.5470.0652.5748.8752.7757.27420.72
multi-layered255.8394.8563.7635.0952.0773.75575.02
stratified34.41036.4916.71427.21033.6919.313167.64
clustered structure1.1583.6311.1580.7716.3231.84514.616
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162100/148479

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand structure %± %± %±
Western Juran/a..0.70.40.70.4
single-layered49.817.731.12.231.42.2
multi-layered37.317.155.22.454.92.4
stratified..12.71.612.51.6
clustered structure12.912.00.20.20.50.3
total100.0.100.0.100.0.
Eastern Juran/a......
single-layered..27.34.127.14.0
multi-layered100.0.70.24.270.54.1
stratified..2.51.42.51.4
clustered structure......
total100.0.100.0.100.0.
Western Plateaun/a..3.41.73.41.7
single-layered..33.74.433.74.4
multi-layered..58.74.558.74.5
stratified..3.41.73.41.7
clustered structure..0.80.80.80.8
total..100.0.100.0.
Central Plateaun/a100.0...0.40.4
single-layered..41.23.341.03.3
multi-layered..52.43.452.13.4
stratified..6.41.76.41.7
clustered structure......
total100.0.100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
single-layered..28.42.528.42.5
multi-layered..64.72.764.72.7
stratified..6.61.46.61.4
clustered structure......
total..100.0.100.0.
Western Pre-Alpsn/a..3.31.63.31.6
single-layered..36.04.435.74.3
multi-layered..48.44.548.04.5
stratified100.0.10.72.811.42.9
clustered structure..1.61.21.61.1
total100.0.100.0.100.0.
Central Pre-Alpsn/a..1.40.71.40.7
single-layered..32.52.832.02.8
multi-layered75.021.744.43.044.83.0
stratified25.021.719.92.419.92.4
clustered structure..1.80.81.80.8
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..2.41.12.41.0
single-layered33.327.344.23.544.13.4
multi-layered66.727.344.23.544.53.4
stratified..9.12.09.02.0
clustered structure......
total100.0.100.0.100.0.
Northwestern Alpsn/a..2.41.22.31.1
single-layered23.111.735.03.734.13.6
multi-layered61.513.542.93.944.33.8
stratified15.410.017.83.017.62.9
clustered structure..1.81.11.71.0
total100.0.100.0.100.0.
Central Alpsn/a......
single-layered33.313.734.75.634.55.2
multi-layered58.314.345.65.947.45.5
stratified8.38.018.24.616.84.1
clustered structure..1.51.51.31.3
total100.0.100.0.100.0.
Northeastern Alpsn/a..2.41.62.11.5
single-layered20.012.731.45.030.24.7
multi-layered80.012.647.65.451.05.1
stratified..16.34.014.63.6
clustered structure..2.31.62.11.5
total100.0.100.0.100.0.
Southwestern Alpsn/a4.44.32.30.82.40.8
single-layered41.610.142.72.842.62.7
multi-layered33.29.630.42.630.62.5
stratified20.88.324.02.423.82.3
clustered structure..0.70.50.60.4
total100.0.100.0.100.0.
Southeastern Alpsn/a9.18.72.70.82.80.8
single-layered18.111.635.92.435.42.3
multi-layered27.213.435.12.434.92.3
stratified45.615.022.02.022.62.0
clustered structure..4.31.04.21.0
total100.0.100.0.100.0.
Southern Alpsn/a..1.20.61.20.5
single-layered42.58.636.82.437.22.3
multi-layered51.58.747.62.547.92.4
stratified6.14.213.11.712.51.6
clustered structure..1.30.61.20.5
total100.0.100.0.100.0.
Switzerlandn/a2.41.41.60.21.60.2
single-layered33.04.335.20.835.10.8
multi-layered49.74.548.10.948.10.8
stratified14.03.213.90.613.90.6
clustered structure0.90.91.20.21.20.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162101/148480

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand structure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.1581.158
single-layered1.45047.2848.67
multi-layered1.15883.9584.95
stratified..19.31319.313
clustered structure0.41000.41000.771
total2.935151.82154.72
Eastern Juran/a......
single-layered..13.11513.115
multi-layered0.410033.6634.06
stratified..1.2571.257
clustered structure......
total0.410047.8248.22
Western Plateaun/a..1.6491.649
single-layered..16.41316.413
multi-layered..28.6928.69
stratified..1.6491.649
clustered structure..0.41000.4100
total..48.7348.73
Central Plateaun/a0.3100..0.3100
single-layered..28.3828.38
multi-layered..36.0736.07
stratified..4.4264.426
clustered structure......
total0.310068.8269.12
Eastern Plateaun/a..0.41000.4100
single-layered..32.2932.29
multi-layered..73.3473.34
stratified..7.5217.521
clustered structure......
total..113.32113.32
Western Pre-Alpsn/a..1.5491.549
single-layered..16.21316.213
multi-layered..21.81021.810
stratified0.41004.8265.225
clustered structure..0.7700.770
total0.410045.1445.54
Central Pre-Alpsn/a..1.4501.450
single-layered..32.3932.39
multi-layered1.15844.1745.27
stratified0.410019.71220.112
clustered structure..1.8451.845
total1.45099.32100.82
Eastern Pre-Alpsn/a..1.8441.844
single-layered0.410032.9833.28
multi-layered0.77132.9833.68
stratified..6.8226.822
clustered structure......
total1.15774.3375.33
Northwestern Alpsn/a..1.4501.450
single-layered1.15720.41221.511
multi-layered2.93525.01027.99
stratified0.77110.41711.117
clustered structure..1.1571.157
total4.62758.3462.94
Central Alpsn/a......
single-layered1.4498.71810.116
multi-layered2.43711.41513.813
stratified0.31004.6274.926
clustered structure..0.41000.4100
total4.12725.0829.17
Northeastern Alpsn/a..0.7710.771
single-layered0.7709.71710.416
multi-layered2.93414.71317.511
stratified..5.0265.026
clustered structure..0.7710.771
total3.63030.8634.45
Southwestern Alpsn/a0.41002.4382.835
single-layered3.43145.3748.87
multi-layered2.73532.3935.09
stratified1.74425.51127.210
clustered structure..0.7710.771
total8.220106.23114.43
Southeastern Alpsn/a0.41003.9304.228
single-layered0.77152.0752.77
multi-layered1.15850.9752.07
stratified1.84531.91033.69
clustered structure..6.3236.323
total3.930145.02148.92
Southern Alpsn/a..1.8451.845
single-layered5.02652.2757.27
multi-layered6.02467.7673.75
stratified0.77118.61319.313
clustered structure..1.8451.845
total11.717142.13153.82
Switzerlandn/a1.05818.01419.014
single-layered14.016406.93421.02
multi-layered21.213556.12577.32
stratified6.024161.34167.24
clustered structure0.410014.31614.616
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162102/148481

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedregeneration cover %± %± %± %± %± %± %±
inside perimeter< 1%....11.95.0..10.09.5..5.02.0
1-9%44.416.6..19.06.154.310.229.914.547.18.636.34.4
10-25%44.516.6..38.17.516.67.640.115.532.38.032.34.3
26-50%..50.035.411.95.020.88.320.012.617.66.515.63.3
51-75%11.110.550.035.411.95.08.35.6....7.42.4
76-100%....7.14.0....2.92.93.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%3.00.73.40.75.40.76.21.58.01.57.61.35.20.4
1-9%20.81.815.21.330.51.541.93.039.62.745.72.529.20.8
10-25%23.61.823.21.632.31.530.92.830.92.525.92.227.70.8
26-50%19.41.721.91.518.11.215.82.214.11.914.31.718.10.7
51-75%15.91.617.81.48.80.93.71.16.11.34.61.010.80.5
76-100%17.41.618.41.45.10.71.50.71.20.61.90.79.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%3.00.73.40.75.60.75.71.48.01.57.01.25.10.4
1-9%21.11.815.21.330.01.442.92.939.42.645.82.429.50.8
10-25%23.91.823.11.632.51.529.72.731.22.526.42.127.90.8
26-50%19.11.722.01.517.81.216.22.114.31.914.61.718.00.7
51-75%15.81.617.91.48.90.94.01.16.01.34.20.910.60.5
76-100%17.11.618.31.45.10.71.30.71.10.62.00.78.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162103/148482

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%....1.845..0.4100..2.141
1-9%1.450..2.8354.5271.1585.72515.515
10-25%1.450..5.7251.4501.4503.93013.816
26-50%..0.41001.8451.7440.7712.1416.723
51-75%0.41000.41001.8450.771....3.233
76-100%....1.158....0.41001.450
total3.2330.77114.9158.2203.53112.11742.79
outside perimeter< 1%5.8258.82018.5145.8249.51911.11759.58
1-9%40.0939.39105.2539.1847.4766.76337.63
10-25%45.4859.87111.3528.81037.0837.99320.13
26-50%37.5956.6762.3714.71416.91420.912208.94
51-75%30.61046.0830.3113.4317.3216.723124.35
76-100%33.5947.4817.5141.4501.4502.835103.95
total192.82257.91345.1293.33119.53145.931154.51
total< 1%5.8258.82020.2135.8249.91811.11761.67
1-9%41.5839.39108.1543.6748.4772.46353.23
10-25%46.8859.87117.0530.2938.4841.88334.03
26-50%37.5956.9764.1716.51417.61323.012215.64
51-75%31.01046.3832.1104.1287.3216.723127.55
76-100%33.5947.4818.5141.4501.4503.133105.35
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162104/148483

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonregeneration cover %± %± %±
AG< 1%..3.31.63.31.6
1-9%..9.82.79.82.7
10-25%..16.43.416.43.4
26-50%..22.13.822.13.8
51-75%..19.73.619.73.6
76-100%..28.74.128.74.1
total..100.0.100.0.
AI< 1%..24.711.024.711.0
1-9%..50.712.850.712.8
10-25%..12.38.412.38.4
26-50%..6.26.16.26.1
51-75%..6.26.16.26.1
76-100%......
total..100.0.100.0.
AR< 1%..7.75.37.75.3
1-9%..30.69.230.69.2
10-25%..34.49.434.49.4
26-50%..19.17.819.17.8
51-75%......
76-100%..8.15.58.15.5
total..100.0.100.0.
BE< 1%..2.50.72.40.7
1-9%29.311.028.02.028.12.0
10-25%35.611.630.42.130.52.1
26-50%5.95.718.21.717.81.7
51-75%17.69.210.91.411.11.4
76-100%11.77.810.01.410.11.3
total100.0.100.0.100.0.
BL/BS< 1%..4.02.83.92.8
1-9%..4.02.83.92.8
10-25%100.0.25.76.227.26.3
26-50%..28.16.427.66.3
51-75%..16.15.215.75.1
76-100%..22.15.921.65.8
total100.0.100.0.100.0.
FR< 1%..3.51.73.51.7
1-9%..21.63.821.63.8
10-25%..37.04.537.04.5
26-50%..19.93.719.93.7
51-75%..15.53.415.53.4
76-100%..2.61.52.61.5
total..100.0.100.0.
GE< 1%..14.814.614.814.6
1-9%..14.814.614.814.6
10-25%..29.518.729.518.7
26-50%..14.814.614.814.6
51-75%..14.814.614.814.6
76-100%..11.410.311.410.3
total..100.0.100.0.
GL< 1%14.313.310.14.810.74.6
1-9%28.617.230.07.329.86.7
10-25%28.617.224.76.825.36.4
26-50%14.313.315.15.715.05.3
51-75%14.313.310.14.810.74.6
76-100%..10.14.88.64.1
total100.0.100.0.100.0.
GR< 1%4.74.69.21.39.01.3
1-9%47.610.941.52.241.82.2
10-25%33.410.328.82.029.02.0
26-50%14.27.613.01.513.11.5
51-75%..5.51.05.31.0
76-100%..2.00.61.90.6
total100.0.100.0.100.0.
JU< 1%..2.41.72.31.6
1-9%66.727.39.43.211.43.4
10-25%..35.35.234.15.1
26-50%..16.44.015.83.9
51-75%33.327.420.04.420.54.3
76-100%..16.54.015.93.9
total100.0.100.0.100.0.
LU< 1%..3.11.53.11.5
1-9%..23.33.723.33.7
10-25%..35.04.235.04.2
26-50%..22.53.722.53.7
51-75%..11.62.811.62.8
76-100%..4.61.84.61.8
total..100.0.100.0.
NE< 1%..1.11.11.11.1
1-9%..16.74.116.74.1
10-25%..21.64.421.64.4
26-50%..26.24.726.24.7
51-75%..20.74.420.74.4
76-100%..13.63.713.63.7
total..100.0.100.0.
NW< 1%..10.57.210.06.9
1-9%..36.811.335.010.9
10-25%..21.19.520.09.1
26-50%100.0.15.88.520.09.1
51-75%..5.35.25.05.0
76-100%..10.57.210.06.9
total100.0.100.0.100.0.
OW< 1%..1.91.91.81.8
1-9%50.035.732.26.532.86.4
10-25%..39.66.838.26.6
26-50%..14.94.914.34.7
51-75%50.035.77.63.79.23.9
76-100%..3.82.73.72.6
total100.0.100.0.100.0.
SG< 1%20.017.97.22.17.62.1
1-9%..26.83.625.93.5
10-25%60.022.030.13.731.03.7
26-50%20.017.918.93.219.03.1
51-75%..11.12.510.82.5
76-100%..5.91.95.71.9
total100.0.100.0.100.0.
SH< 1%..8.34.78.34.7
1-9%..27.87.527.87.5
10-25%..11.15.311.15.3
26-50%..22.27.022.27.0
51-75%..13.95.813.95.8
76-100%..16.76.316.76.3
total..100.0.100.0.
SO< 1%......
1-9%50.035.518.14.218.84.3
10-25%50.035.521.74.522.44.5
26-50%..16.94.116.54.0
51-75%..15.74.015.33.9
76-100%..27.74.927.14.8
total100.0.100.0.100.0.
SZ< 1%..5.22.54.92.4
1-9%..35.05.533.35.3
10-25%50.025.132.55.433.35.3
26-50%25.021.822.14.722.34.6
51-75%..5.22.54.92.4
76-100%25.021.8..1.21.2
total100.0.100.0.100.0.
TG< 1%..6.93.06.93.0
1-9%..8.73.48.73.4
10-25%..17.94.517.94.5
26-50%..27.65.327.65.3
51-75%..19.74.719.74.7
76-100%..19.34.719.34.7
total..100.0.100.0.
TI< 1%..6.51.46.11.3
1-9%39.110.243.52.843.22.7
10-25%34.89.926.62.527.22.4
26-50%21.78.616.32.116.72.0
51-75%..4.91.24.51.1
76-100%4.34.32.10.82.30.8
total100.0.100.0.100.0.
UR< 1%33.315.8..5.33.0
1-9%11.110.518.95.717.65.1
10-25%33.315.831.76.832.06.3
26-50%11.110.532.36.929.06.1
51-75%11.110.512.64.812.34.4
76-100%..4.53.13.82.6
total100.0.100.0.100.0.
VD< 1%..4.11.24.11.2
1-9%..28.12.827.92.8
10-25%100.0.23.22.623.72.6
26-50%..19.82.519.72.4
51-75%..11.82.011.72.0
76-100%..13.02.112.92.1
total100.0.100.0.100.0.
VS< 1%..6.21.45.71.3
1-9%54.310.242.12.842.92.7
10-25%16.67.630.42.629.42.5
26-50%20.88.315.22.015.62.0
51-75%8.35.64.81.25.11.2
76-100%..1.30.61.20.6
total100.0.100.0.100.0.
ZG< 1%..18.910.218.910.2
1-9%......
10-25%..27.011.927.011.9
26-50%..27.011.927.011.9
51-75%..6.86.86.86.8
76-100%..20.310.820.310.8
total..100.0.100.0.
ZH< 1%..2.01.22.01.2
1-9%..10.92.610.92.6
10-25%..20.43.320.43.3
26-50%..15.73.015.73.0
51-75%..24.53.624.53.6
76-100%..26.53.726.53.7
total..100.0.100.0.
Switzerland< 1%4.91.95.20.45.10.4
1-9%36.34.429.10.829.40.8
10-25%32.44.327.70.827.80.8
26-50%15.73.318.10.718.00.7
51-75%7.42.410.80.510.70.5
76-100%3.31.69.20.59.00.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162105/148484

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonregeneration cover1000 ha± %1000 ha± %1000 ha± %
AG< 1%..1.6491.649
1-9%..4.8284.828
10-25%..8.0218.021
26-50%..10.91710.917
51-75%..9.7189.718
76-100%..14.11414.114
total..49.1249.12
AI< 1%..1.3451.345
1-9%..2.7302.730
10-25%..0.6690.669
26-50%..0.31000.3100
51-75%..0.31000.3100
76-100%......
total..5.2125.212
AR< 1%..0.6690.669
1-9%..2.6302.630
10-25%..2.9272.927
26-50%..1.6411.641
51-75%......
76-100%..0.7710.771
total..8.468.46
BE< 1%..4.1294.129
1-9%1.74546.9748.67
10-25%2.14150.8752.87
26-50%0.310030.51030.810
51-75%1.05818.21319.213
76-100%0.77116.81417.513
total5.824167.32173.12
BL/BS< 1%..0.8700.870
1-9%..0.8700.870
10-25%0.41005.2255.624
26-50%..5.7235.723
51-75%..3.3333.333
76-100%..4.5274.527
total0.410020.3520.75
FR< 1%..1.5491.549
1-9%..9.3189.318
10-25%..16.01316.013
26-50%..8.6198.619
51-75%..6.7226.722
76-100%..1.1571.157
total..43.3343.33
GE< 1%..0.51000.5100
1-9%..0.51000.5100
10-25%..0.9650.965
26-50%..0.51000.5100
51-75%..0.51000.5100
76-100%..0.41000.4100
total..3.1203.120
GL< 1%0.41001.5491.943
1-9%0.8704.6265.424
10-25%0.8703.8304.627
26-50%0.41002.3392.736
51-75%0.41001.5491.943
76-100%..1.5491.549
total2.73615.31018.07
GR< 1%0.310015.81416.114
1-9%3.53171.2674.76
10-25%2.53849.4751.87
26-50%1.05822.31223.412
51-75%..9.4199.419
76-100%..3.5313.531
total7.421171.62179.02
JU< 1%..0.8700.870
1-9%0.8703.1343.930
10-25%..11.71511.715
26-50%..5.4255.425
51-75%0.41006.6227.021
76-100%..5.5255.525
total1.25733.0434.23
LU< 1%..1.3491.349
1-9%..9.5169.516
10-25%..14.21314.213
26-50%..9.2179.217
51-75%..4.7244.724
76-100%..1.9401.940
total..40.7340.73
NE< 1%..0.31000.3100
1-9%..4.7264.726
10-25%..6.1216.121
26-50%..7.4187.418
51-75%..5.8225.822
76-100%..3.8273.827
total..28.2428.24
NW< 1%..0.8690.869
1-9%..2.7322.732
10-25%..1.5461.546
26-50%0.41001.2551.546
51-75%..0.41000.4100
76-100%..0.8690.869
total0.41007.3107.78
OW< 1%..0.41000.4100
1-9%0.41006.3216.720
10-25%..7.8187.818
26-50%..2.9342.934
51-75%0.41001.5491.943
76-100%..0.7700.770
total0.77019.6620.45
SG< 1%0.41004.0294.328
1-9%..14.81414.814
10-25%1.15716.61317.712
26-50%0.410010.51710.817
51-75%..6.1236.123
76-100%..3.3333.333
total1.84455.3457.14
SH< 1%..1.1561.156
1-9%..3.6273.627
10-25%..1.4481.448
26-50%..2.8322.832
51-75%..1.8421.842
76-100%..2.1382.138
total..12.8312.83
SO< 1%......
1-9%0.41005.7246.123
10-25%0.41006.8227.221
26-50%..5.3255.325
51-75%..4.9264.926
76-100%..8.7188.718
total0.87031.4432.23
SZ< 1%..1.4491.449
1-9%..9.8169.816
10-25%0.7709.1179.816
26-50%0.41006.2236.522
51-75%..1.4491.449
76-100%0.4100..0.4100
total1.44927.9529.34
TG< 1%..1.5431.543
1-9%..1.9401.940
10-25%..3.9253.925
26-50%..6.0196.019
51-75%..4.3254.325
76-100%..4.2244.224
total..21.7421.74
TI< 1%..7.5217.521
1-9%3.23350.2753.47
10-25%2.93530.71033.69
26-50%1.84418.81320.612
51-75%..5.6255.625
76-100%0.41002.5382.835
total8.220115.43123.62
UR< 1%1.057..1.057
1-9%0.31003.0313.330
10-25%1.0575.0246.021
26-50%0.31005.1245.423
51-75%0.31002.0392.336
76-100%..0.7710.771
total3.03115.71118.78
VD< 1%..4.1304.130
1-9%..28.01028.010
10-25%0.87123.11223.811
26-50%..19.71319.713
51-75%..11.81711.817
76-100%..12.91612.916
total0.87199.62100.32
VS< 1%..6.5226.522
1-9%4.52744.7749.17
10-25%1.45032.3933.79
26-50%1.74416.21417.913
51-75%0.7715.1255.824
76-100%..1.4501.450
total8.220106.23114.43
ZG< 1%..1.2561.256
1-9%......
10-25%..1.7441.744
26-50%..1.7441.744
51-75%..0.41000.4100
76-100%..1.3531.353
total..6.376.37
ZH< 1%..1.1571.157
1-9%..5.6245.624
10-25%..10.61610.616
26-50%..8.1208.120
51-75%..12.71512.715
76-100%..13.81413.814
total..51.8251.82
Switzerland< 1%2.14159.6861.77
1-9%15.515336.93352.43
10-25%13.916320.13334.03
26-50%6.723209.24215.94
51-75%3.233124.85128.05
76-100%1.450106.05107.45
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162106/148485

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedregeneration cover %± %± %± %± %± %±
inside perimeter< 1%......8.63.3..4.91.9
1-9%44.516.6..12.511.734.35.745.58.736.44.4
10-25%44.416.6..12.511.732.95.633.38.232.24.3
26-50%....37.517.114.34.218.26.715.73.3
51-75%11.110.5100.0.25.015.37.13.1..7.52.4
76-100%....12.511.72.92.03.03.03.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%2.90.73.30.75.30.96.50.87.51.35.10.4
1-9%20.11.715.21.427.71.837.31.546.22.529.20.8
10-25%23.41.822.11.633.61.931.11.425.62.227.80.8
26-50%20.31.721.31.618.61.616.01.114.41.718.10.7
51-75%16.11.618.41.59.11.26.50.84.41.010.80.5
76-100%17.01.619.61.65.80.92.60.52.00.79.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%2.90.73.30.75.20.96.60.76.91.25.10.4
1-9%20.51.715.21.427.51.837.11.446.12.429.50.8
10-25%23.81.822.01.633.31.931.21.426.12.127.90.8
26-50%20.01.721.31.618.91.615.91.114.71.718.00.7
51-75%16.01.618.51.59.31.26.50.74.10.910.60.5
76-100%16.81.619.61.55.90.92.60.52.00.78.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162107/148486

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%......2.141..2.141
1-9%1.550..0.41008.3205.32515.515
10-25%1.550..0.41008.0213.93013.716
26-50%....1.1583.5312.1416.723
51-75%0.41000.41000.7711.745..3.233
76-100%....0.41000.7710.41001.450
total3.3330.41002.93524.21211.71742.49
outside perimeter< 1%5.8257.72111.51723.61210.71859.38
1-9%40.1935.1960.57135.2465.66336.73
10-25%46.7851.0773.56112.5536.39320.13
26-50%40.5949.2840.7958.1720.412209.04
51-75%32.11042.5819.81323.4126.323124.25
76-100%34.0945.3812.6169.4192.835104.15
total199.31231.01218.72362.32142.131153.31
total< 1%5.8257.72111.51725.61110.71861.47
1-9%41.6935.1960.97143.6471.06352.23
10-25%48.2851.0773.96120.5540.28333.73
26-50%40.5949.2841.8961.6722.512215.74
51-75%32.51042.9820.51325.1116.323127.35
76-100%34.0945.3813.01610.1183.133105.55
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162108/148487

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedregeneration cover %± %± %± %± %± %± %±
inside perimeter< 1%....20.08.0..9.18.7..4.91.9
1-9%39.915.527.810.612.06.554.310.236.214.545.58.736.44.4
10-25%40.115.533.311.140.09.816.67.636.614.633.38.232.34.3
26-50%..11.17.416.07.320.88.318.111.618.26.715.63.3
51-75%20.012.616.78.88.05.48.35.6....7.52.4
76-100%..11.17.44.03.9....3.03.03.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%3.20.53.00.77.61.46.21.48.71.47.51.35.10.4
1-9%17.51.128.61.929.22.442.12.838.52.446.22.529.20.8
10-25%22.71.235.92.029.22.430.42.630.22.325.62.227.70.8
26-50%20.91.217.81.620.32.115.22.014.31.714.41.718.10.7
51-75%17.41.19.61.28.01.44.81.26.01.24.41.010.80.5
76-100%18.41.15.00.95.71.21.30.62.20.72.00.79.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%3.10.52.90.78.41.45.71.38.81.46.91.25.10.4
1-9%17.61.128.61.928.12.342.92.738.52.446.12.429.40.8
10-25%22.81.235.92.029.92.329.42.530.42.226.12.127.90.8
26-50%20.71.217.61.620.02.015.62.014.41.714.71.718.00.7
51-75%17.41.19.81.28.01.45.11.25.91.14.10.910.70.5
76-100%18.31.15.20.95.61.21.20.62.10.72.00.78.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162109/148488

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%....1.744..0.4100..2.141
1-9%1.4501.8451.0584.5271.4505.32515.515
10-25%1.4502.2413.4311.4501.4503.93013.716
26-50%..0.7711.4501.7440.7712.1416.623
51-75%0.7711.1580.7710.771....3.233
76-100%..0.7710.3100....0.41001.450
total3.6326.5238.6198.2203.93011.71742.59
outside perimeter< 1%13.6166.1249.7186.52212.71610.71859.38
1-9%75.1658.1737.4844.7755.9765.66336.83
10-25%97.7572.9637.3932.3943.8836.39320.23
26-50%89.8636.1926.01116.21420.71220.412209.14
51-75%74.8619.51310.2185.1258.7206.323124.65
76-100%79.4610.1197.3211.4503.2332.835104.15
total430.41202.72127.83106.23145.02142.131154.11
total< 1%13.6166.12411.4176.52213.01610.71861.47
1-9%76.6659.9738.4849.1757.3671.06352.23
10-25%99.1575.0640.7833.7945.2840.28334.03
26-50%89.8636.8927.41117.91321.41222.512215.84
51-75%75.5620.61310.9185.8248.7206.323127.85
76-100%79.4610.8187.6211.4503.2333.133105.55
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162110/148489

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionregeneration cover %± %± %±
Western Jura< 1%..2.60.82.60.8
1-9%49.817.722.12.022.72.0
10-25%37.817.224.92.125.22.1
26-50%..19.01.918.71.9
51-75%12.411.716.51.816.41.8
76-100%..14.81.714.51.7
total100.0.100.0.100.0.
Eastern Jura< 1%..4.11.84.11.8
1-9%..13.23.113.13.1
10-25%100.0.18.13.518.83.5
26-50%..24.83.924.63.9
51-75%..14.93.214.83.2
76-100%..24.83.924.63.9
total100.0.100.0.100.0.
Western Plateau< 1%..1.71.21.71.2
1-9%..23.63.923.63.9
10-25%..29.34.229.34.2
26-50%..22.83.922.83.9
51-75%..10.02.810.02.8
76-100%..12.63.012.63.0
total..100.0.100.0.
Central Plateau< 1%..3.61.33.61.2
1-9%..18.02.617.92.6
10-25%..22.32.822.22.8
26-50%..21.32.821.22.8
51-75%100.0.16.72.517.12.5
76-100%..18.12.618.02.6
total100.0.100.0.100.0.
Eastern Plateau< 1%..3.81.13.81.1
1-9%..10.11.710.11.7
10-25%..19.22.219.22.2
26-50%..20.82.320.82.3
51-75%..22.72.422.72.4
76-100%..23.32.423.32.4
total..100.0.100.0.
Western Pre-Alps< 1%..5.82.15.72.1
1-9%..25.54.025.23.9
10-25%..35.94.335.74.3
26-50%100.0.15.63.316.33.3
51-75%..13.93.113.83.1
76-100%..3.31.63.31.6
total100.0.100.0.100.0.
Central Pre-Alps< 1%..1.80.81.80.8
1-9%25.021.727.42.727.42.7
10-25%..37.22.936.72.9
26-50%25.021.718.42.318.52.3
51-75%50.025.08.71.79.31.7
76-100%..6.51.56.41.5
total100.0.100.0.100.0.
Eastern Pre-Alps< 1%..9.62.09.52.0
1-9%..29.33.228.93.1
10-25%33.327.327.43.127.53.1
26-50%33.327.320.72.820.82.8
51-75%..6.71.76.61.7
76-100%33.327.36.21.76.61.7
total100.0.100.0.100.0.
Northwestern Alps< 1%..3.11.42.81.3
1-9%30.812.833.13.732.93.5
10-25%46.213.933.83.734.73.6
26-50%..18.43.017.02.8
51-75%7.77.48.02.18.02.0
76-100%15.410.03.71.54.61.6
total100.0.100.0.100.0.
Central Alps< 1%25.012.6..3.52.0
1-9%8.38.027.75.325.04.7
10-25%41.714.331.75.533.15.1
26-50%16.710.828.15.326.44.8
51-75%8.38.09.63.59.43.2
76-100%..2.92.02.51.7
total100.0.100.0.100.0.
Northeastern Alps< 1%20.012.79.33.110.43.1
1-9%20.012.731.45.030.24.7
10-25%40.015.531.45.032.34.8
26-50%10.09.512.83.612.53.4
51-75%10.09.58.13.08.32.8
76-100%..7.02.86.22.5
total100.0.100.0.100.0.
Southwestern Alps< 1%..6.21.45.71.3
1-9%54.310.242.12.842.92.7
10-25%16.67.630.42.629.42.5
26-50%20.88.315.22.015.62.0
51-75%8.35.64.81.25.11.2
76-100%..1.30.61.20.6
total100.0.100.0.100.0.
Southeastern Alps< 1%9.18.78.71.48.81.4
1-9%36.214.538.52.438.52.4
10-25%36.614.630.22.330.42.2
26-50%18.111.614.31.714.41.7
51-75%..6.01.25.91.1
76-100%..2.20.72.10.7
total100.0.100.0.100.0.
Southern Alps< 1%..7.51.36.91.2
1-9%45.58.746.22.546.12.4
10-25%33.38.225.62.226.12.1
26-50%18.26.714.41.714.71.7
51-75%..4.41.04.10.9
76-100%3.03.02.00.72.00.7
total100.0.100.0.100.0.
Switzerland< 1%4.92.05.20.45.10.4
1-9%36.34.429.20.829.50.8
10-25%32.44.327.80.827.90.8
26-50%15.73.318.10.718.10.7
51-75%7.32.410.70.510.60.5
76-100%3.31.69.00.58.80.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162111/148490

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%..4.0304.030
1-9%1.45033.6935.09
10-25%1.15837.9938.98
26-50%..28.91028.910
51-75%0.410025.01125.411
76-100%..22.51222.512
total2.935151.82154.72
Eastern Jura< 1%..2.0442.044
1-9%..6.3236.323
10-25%0.41008.6209.019
26-50%..11.91611.916
51-75%..7.1227.122
76-100%..11.91611.916
total0.410047.8248.22
Western Plateau< 1%..0.8700.870
1-9%..11.51711.517
10-25%..14.31514.315
26-50%..11.11711.117
51-75%..4.9284.928
76-100%..6.1256.125
total..48.7348.73
Central Plateau< 1%..2.5352.535
1-9%..12.41412.414
10-25%..15.31315.313
26-50%..14.61314.613
51-75%0.310011.51511.815
76-100%..12.51512.515
total0.310068.8269.12
Eastern Plateau< 1%..4.3284.328
1-9%..11.41711.417
10-25%..21.81221.812
26-50%..23.61123.611
51-75%..25.71125.711
76-100%..26.51026.510
total..113.32113.32
Western Pre-Alps< 1%..2.6372.637
1-9%..11.51611.516
10-25%..16.21316.213
26-50%0.41007.0217.421
51-75%..6.3236.323
76-100%..1.5491.549
total0.410045.1445.54
Central Pre-Alps< 1%..1.8441.844
1-9%0.410027.31027.610
10-25%..36.9836.98
26-50%0.410018.31318.613
51-75%0.7718.6209.319
76-100%..6.5236.523
total1.45099.32100.82
Eastern Pre-Alps< 1%..7.1227.122
1-9%..21.81121.811
10-25%0.410020.41220.711
26-50%0.410015.31415.714
51-75%..5.0265.026
76-100%0.41004.6275.026
total1.15774.3375.33
Northwestern Alps< 1%..1.8441.844
1-9%1.45019.31220.711
10-25%2.14019.71221.811
26-50%..10.71710.717
51-75%0.41004.7275.026
76-100%0.7712.2402.935
total4.62758.3462.94
Central Alps< 1%1.057..1.057
1-9%0.31006.9217.320
10-25%1.7447.9199.716
26-50%0.7707.0217.720
51-75%0.31002.4372.734
76-100%..0.7710.771
total4.12725.0829.17
Northeastern Alps< 1%0.7702.9343.630
1-9%0.7709.71710.417
10-25%1.4499.71711.116
26-50%0.41003.9294.327
51-75%0.41002.5372.934
76-100%..2.1402.140
total3.63030.8634.45
Southwestern Alps< 1%..6.5226.522
1-9%4.52744.7749.17
10-25%1.45032.3933.79
26-50%1.74416.21417.913
51-75%0.7715.1255.824
76-100%..1.4501.450
total8.220106.23114.43
Southeastern Alps< 1%0.410012.71613.016
1-9%1.45055.9757.36
10-25%1.45043.8845.28
26-50%0.77120.71221.412
51-75%..8.7208.720
76-100%..3.2333.233
total3.930145.02148.92
Southern Alps< 1%..10.71810.718
1-9%5.32565.6671.06
10-25%3.93036.3940.28
26-50%2.14120.41222.512
51-75%..6.3236.323
76-100%0.41002.8353.133
total11.717142.13153.82
Switzerland< 1%2.14159.6861.77
1-9%15.515337.93353.33
10-25%13.816321.13335.03
26-50%6.723209.84216.54
51-75%3.133123.85127.05
76-100%1.450104.35105.75
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162112/148491

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes) %± %± %± %± %± %± %±
inside perimeter< 1%....11.95.0..10.09.5..5.02.0
1-4%....4.83.312.56.720.012.626.67.613.23.1
5-9%44.416.6..14.35.441.810.110.09.520.66.923.13.8
10-25%44.516.6..38.17.516.67.640.115.532.38.032.34.3
26-50%..50.035.411.95.020.88.320.012.617.66.515.63.3
51-75%11.110.550.035.411.95.08.35.6....7.42.4
76-100%....7.14.0....2.92.93.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%3.00.73.40.75.40.76.21.58.01.57.61.35.20.4
1-4%8.01.26.60.914.41.121.72.523.12.321.52.014.00.6
5-9%12.71.48.61.016.11.220.22.416.62.024.22.115.30.6
10-25%23.61.823.21.632.31.530.92.830.92.525.92.227.70.8
26-50%19.41.721.91.518.11.215.82.214.11.914.31.718.10.7
51-75%15.91.617.81.48.80.93.71.16.11.34.61.010.80.5
76-100%17.41.618.41.45.10.71.50.71.20.61.90.79.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%3.00.73.40.75.60.75.71.48.01.57.01.25.10.4
1-4%7.91.26.60.914.01.120.92.423.02.321.92.014.00.6
5-9%13.21.58.61.016.01.222.02.416.42.023.92.015.50.6
10-25%23.91.823.11.632.51.529.72.731.22.526.42.127.90.8
26-50%19.11.722.01.517.81.216.22.114.31.914.61.718.00.7
51-75%15.81.617.91.48.90.94.01.16.01.34.20.910.60.5
76-100%17.11.618.31.45.10.71.30.71.10.62.00.78.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162113/148492

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%....1.845..0.4100..2.141
1-4%....0.7711.0580.7713.2335.725
5-9%1.450..2.1413.4310.41002.5389.919
10-25%1.450..5.7251.4501.4503.93013.816
26-50%..0.41001.8451.7440.7712.1416.723
51-75%0.41000.41001.8450.771....3.233
76-100%....1.158....0.41001.450
total3.2330.77114.9158.2203.53112.11742.79
outside perimeter< 1%5.8258.82018.5145.8249.51911.11759.58
1-4%15.51517.01449.8820.21227.61031.410161.44
5-9%24.51122.31255.5718.91319.81335.39176.24
10-25%45.4859.87111.3528.81037.0837.99320.13
26-50%37.5956.6762.3714.71416.91420.912208.94
51-75%30.61046.0830.3113.4317.3216.723124.35
76-100%33.5947.4817.5141.4501.4502.835103.95
total192.82257.91345.1293.33119.53145.931154.51
total< 1%5.8258.82020.2135.8249.91811.11761.67
1-4%15.51517.01450.5821.21228.31034.69167.14
5-9%25.91122.31257.6722.31120.11237.89186.14
10-25%46.8859.87117.0530.2938.4841.88334.03
26-50%37.5956.9764.1716.51417.61323.012215.64
51-75%31.01046.3832.1104.1287.3216.723127.55
76-100%33.5947.4818.5141.4501.4503.133105.35
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162114/148493

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of regeneration (7 classes) %± %± %±
AG< 1%..3.31.63.31.6
1-4%..4.92.04.92.0
5-9%..4.92.04.92.0
10-25%..16.43.416.43.4
26-50%..22.13.822.13.8
51-75%..19.73.619.73.6
76-100%..28.74.128.74.1
total..100.0.100.0.
AI< 1%..24.711.024.711.0
1-4%..32.212.032.212.0
5-9%..18.59.918.59.9
10-25%..12.38.412.38.4
26-50%..6.26.16.26.1
51-75%..6.26.16.26.1
76-100%......
total..100.0.100.0.
AR< 1%..7.75.37.75.3
1-4%..26.88.826.88.8
5-9%..3.83.83.83.8
10-25%..34.49.434.49.4
26-50%..19.17.819.17.8
51-75%......
76-100%..8.15.58.15.5
total..100.0.100.0.
BE< 1%..2.50.72.40.7
1-4%5.95.712.11.511.91.4
5-9%23.410.316.01.716.21.6
10-25%35.611.630.42.130.52.1
26-50%5.95.718.21.717.81.7
51-75%17.69.210.91.411.11.4
76-100%11.77.810.01.410.11.3
total100.0.100.0.100.0.
BL/BS< 1%..4.02.83.92.8
1-4%..2.02.02.02.0
5-9%..2.02.02.02.0
10-25%100.0.25.76.227.26.3
26-50%..28.16.427.66.3
51-75%..16.15.215.75.1
76-100%..22.15.921.65.8
total100.0.100.0.100.0.
FR< 1%..3.51.73.51.7
1-4%..11.22.911.22.9
5-9%..10.32.810.32.8
10-25%..37.04.537.04.5
26-50%..19.93.719.93.7
51-75%..15.53.415.53.4
76-100%..2.61.52.61.5
total..100.0.100.0.
GE< 1%..14.814.614.814.6
1-4%......
5-9%..14.814.614.814.6
10-25%..29.518.729.518.7
26-50%..14.814.614.814.6
51-75%..14.814.614.814.6
76-100%..11.410.311.410.3
total..100.0.100.0.
GL< 1%14.313.310.14.810.74.6
1-4%14.313.315.15.715.05.3
5-9%14.313.314.95.714.85.2
10-25%28.617.224.76.825.36.4
26-50%14.313.315.15.715.05.3
51-75%14.313.310.14.810.74.6
76-100%..10.14.88.64.1
total100.0.100.0.100.0.
GR< 1%4.74.69.21.39.01.3
1-4%38.110.622.81.923.41.9
5-9%9.56.418.71.818.31.7
10-25%33.410.328.82.029.02.0
26-50%14.27.613.01.513.11.5
51-75%..5.51.05.31.0
76-100%..2.00.61.90.6
total100.0.100.0.100.0.
JU< 1%..2.41.72.31.6
1-4%..3.52.03.41.9
5-9%66.727.35.92.68.02.9
10-25%..35.35.234.15.1
26-50%..16.44.015.83.9
51-75%33.327.420.04.420.54.3
76-100%..16.54.015.93.9
total100.0.100.0.100.0.
LU< 1%..3.11.53.11.5
1-4%..9.42.69.42.6
5-9%..13.93.013.93.0
10-25%..35.04.235.04.2
26-50%..22.53.722.53.7
51-75%..11.62.811.62.8
76-100%..4.61.84.61.8
total..100.0.100.0.
NE< 1%..1.11.11.11.1
1-4%..8.23.08.23.0
5-9%..8.53.18.53.1
10-25%..21.64.421.64.4
26-50%..26.24.726.24.7
51-75%..20.74.420.74.4
76-100%..13.63.713.63.7
total..100.0.100.0.
NW< 1%..10.57.210.06.9
1-4%..21.19.520.09.1
5-9%..15.88.515.08.2
10-25%..21.19.520.09.1
26-50%100.0.15.88.520.09.1
51-75%..5.35.25.05.0
76-100%..10.57.210.06.9
total100.0.100.0.100.0.
OW< 1%..1.91.91.81.8
1-4%..11.44.411.04.3
5-9%50.035.720.85.621.85.6
10-25%..39.66.838.26.6
26-50%..14.94.914.34.7
51-75%50.035.77.63.79.23.9
76-100%..3.82.73.72.6
total100.0.100.0.100.0.
SG< 1%20.017.97.22.17.62.1
1-4%..10.52.510.12.4
5-9%..16.33.015.82.9
10-25%60.022.030.13.731.03.7
26-50%20.017.918.93.219.03.1
51-75%..11.12.510.82.5
76-100%..5.91.95.71.9
total100.0.100.0.100.0.
SH< 1%..8.34.78.34.7
1-4%..19.46.719.46.7
5-9%..8.34.78.34.7
10-25%..11.15.311.15.3
26-50%..22.27.022.27.0
51-75%..13.95.813.95.8
76-100%..16.76.316.76.3
total..100.0.100.0.
SO< 1%......
1-4%..4.82.44.72.3
5-9%50.035.513.33.714.13.8
10-25%50.035.521.74.522.44.5
26-50%..16.94.116.54.0
51-75%..15.74.015.33.9
76-100%..27.74.927.14.8
total100.0.100.0.100.0.
SZ< 1%..5.22.54.92.4
1-4%..15.64.114.84.0
5-9%..19.54.518.54.3
10-25%50.025.132.55.433.35.3
26-50%25.021.822.14.722.34.6
51-75%..5.22.54.92.4
76-100%25.021.8..1.21.2
total100.0.100.0.100.0.
TG< 1%..6.93.06.93.0
1-4%..3.12.23.12.2
5-9%..5.52.75.52.7
10-25%..17.94.517.94.5
26-50%..27.65.327.65.3
51-75%..19.74.719.74.7
76-100%..19.34.719.34.7
total..100.0.100.0.
TI< 1%..6.51.46.11.3
1-4%13.07.019.92.219.42.1
5-9%26.19.223.62.423.82.3
10-25%34.89.926.62.527.22.4
26-50%21.78.616.32.116.72.0
51-75%..4.91.24.51.1
76-100%4.34.32.10.82.30.8
total100.0.100.0.100.0.
UR< 1%33.315.8..5.33.0
1-4%..6.33.55.33.0
5-9%11.110.512.64.812.34.4
10-25%33.315.831.76.832.06.3
26-50%11.110.532.36.929.06.1
51-75%11.110.512.64.812.34.4
76-100%..4.53.13.82.6
total100.0.100.0.100.0.
VD< 1%..4.11.24.11.2
1-4%..12.12.012.02.0
5-9%..16.02.315.92.3
10-25%100.0.23.22.623.72.6
26-50%..19.82.519.72.4
51-75%..11.82.011.72.0
76-100%..13.02.112.92.1
total100.0.100.0.100.0.
VS< 1%..6.21.45.71.3
1-4%12.56.721.72.321.02.2
5-9%41.810.120.42.321.92.3
10-25%16.67.630.42.629.42.5
26-50%20.88.315.22.015.62.0
51-75%8.35.64.81.25.11.2
76-100%..1.30.61.20.6
total100.0.100.0.100.0.
ZG< 1%..18.910.218.910.2
1-4%......
5-9%......
10-25%..27.011.927.011.9
26-50%..27.011.927.011.9
51-75%..6.86.86.86.8
76-100%..20.310.820.310.8
total..100.0.100.0.
ZH< 1%..2.01.22.01.2
1-4%..5.41.95.41.9
5-9%..5.41.95.41.9
10-25%..20.43.320.43.3
26-50%..15.73.015.73.0
51-75%..24.53.624.53.6
76-100%..26.53.726.53.7
total..100.0.100.0.
Switzerland< 1%4.91.95.20.45.10.4
1-4%13.23.113.90.613.90.6
5-9%23.13.815.20.615.50.6
10-25%32.44.327.70.827.80.8
26-50%15.73.318.10.718.00.7
51-75%7.42.410.80.510.70.5
76-100%3.31.69.20.59.00.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162115/148494

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %
AG< 1%..1.6491.649
1-4%..2.4402.440
5-9%..2.4402.440
10-25%..8.0218.021
26-50%..10.91710.917
51-75%..9.7189.718
76-100%..14.11414.114
total..49.1249.12
AI< 1%..1.3451.345
1-4%..1.7421.742
5-9%..1.0541.054
10-25%..0.6690.669
26-50%..0.31000.3100
51-75%..0.31000.3100
76-100%......
total..5.2125.212
AR< 1%..0.6690.669
1-4%..2.2332.233
5-9%..0.31000.3100
10-25%..2.9272.927
26-50%..1.6411.641
51-75%......
76-100%..0.7710.771
total..8.468.46
BE< 1%..4.1294.129
1-4%0.310020.21220.512
5-9%1.45026.71128.110
10-25%2.14150.8752.87
26-50%0.310030.51030.810
51-75%1.05818.21319.213
76-100%0.77116.81417.513
total5.824167.32173.12
BL/BS< 1%..0.8700.870
1-4%..0.41000.4100
5-9%..0.41000.4100
10-25%0.41005.2255.624
26-50%..5.7235.723
51-75%..3.3333.333
76-100%..4.5274.527
total0.410020.3520.75
FR< 1%..1.5491.549
1-4%..4.9264.926
5-9%..4.5284.528
10-25%..16.01316.013
26-50%..8.6198.619
51-75%..6.7226.722
76-100%..1.1571.157
total..43.3343.33
GE< 1%..0.51000.5100
1-4%......
5-9%..0.51000.5100
10-25%..0.9650.965
26-50%..0.51000.5100
51-75%..0.51000.5100
76-100%..0.41000.4100
total..3.1203.120
GL< 1%0.41001.5491.943
1-4%0.41002.3392.736
5-9%0.41002.3402.736
10-25%0.8703.8304.627
26-50%0.41002.3392.736
51-75%0.41001.5491.943
76-100%..1.5491.549
total2.73615.31018.07
GR< 1%0.310015.81416.114
1-4%2.83539.1941.98
5-9%0.77132.11032.810
10-25%2.53849.4751.87
26-50%1.05822.31223.412
51-75%..9.4199.419
76-100%..3.5313.531
total7.421171.62179.02
JU< 1%..0.8700.870
1-4%..1.2571.257
5-9%0.8701.9442.736
10-25%..11.71511.715
26-50%..5.4255.425
51-75%0.41006.6227.021
76-100%..5.5255.525
total1.25733.0434.23
LU< 1%..1.3491.349
1-4%..3.8283.828
5-9%..5.6225.622
10-25%..14.21314.213
26-50%..9.2179.217
51-75%..4.7244.724
76-100%..1.9401.940
total..40.7340.73
NE< 1%..0.31000.3100
1-4%..2.3372.337
5-9%..2.4372.437
10-25%..6.1216.121
26-50%..7.4187.418
51-75%..5.8225.822
76-100%..3.8273.827
total..28.2428.24
NW< 1%..0.8690.869
1-4%..1.5461.546
5-9%..1.2551.255
10-25%..1.5461.546
26-50%0.41001.2551.546
51-75%..0.41000.4100
76-100%..0.8690.869
total0.41007.3107.78
OW< 1%..0.41000.4100
1-4%..2.2392.239
5-9%0.41004.1284.526
10-25%..7.8187.818
26-50%..2.9342.934
51-75%0.41001.5491.943
76-100%..0.7700.770
total0.77019.6620.45
SG< 1%0.41004.0294.328
1-4%..5.8245.824
5-9%..9.0199.019
10-25%1.15716.61317.712
26-50%0.410010.51710.817
51-75%..6.1236.123
76-100%..3.3333.333
total1.84455.3457.14
SH< 1%..1.1561.156
1-4%..2.5342.534
5-9%..1.1561.156
10-25%..1.4481.448
26-50%..2.8322.832
51-75%..1.8421.842
76-100%..2.1382.138
total..12.8312.83
SO< 1%......
1-4%..1.5491.549
5-9%0.41004.2284.527
10-25%0.41006.8227.221
26-50%..5.3255.325
51-75%..4.9264.926
76-100%..8.7188.718
total0.87031.4432.23
SZ< 1%..1.4491.449
1-4%..4.3274.327
5-9%..5.4245.424
10-25%0.7709.1179.816
26-50%0.41006.2236.522
51-75%..1.4491.449
76-100%0.4100..0.4100
total1.44927.9529.34
TG< 1%..1.5431.543
1-4%..0.7710.771
5-9%..1.2491.249
10-25%..3.9253.925
26-50%..6.0196.019
51-75%..4.3254.325
76-100%..4.2244.224
total..21.7421.74
TI< 1%..7.5217.521
1-4%1.15822.91224.011
5-9%2.14127.31029.410
10-25%2.93530.71033.69
26-50%1.84418.81320.612
51-75%..5.6255.625
76-100%0.41002.5382.835
total8.220115.43123.62
UR< 1%1.057..1.057
1-4%..1.0571.057
5-9%0.31002.0392.336
10-25%1.0575.0246.021
26-50%0.31005.1245.423
51-75%0.31002.0392.336
76-100%..0.7710.771
total3.03115.71118.78
VD< 1%..4.1304.130
1-4%..12.11712.117
5-9%..15.91415.914
10-25%0.87123.11223.811
26-50%..19.71319.713
51-75%..11.81711.817
76-100%..12.91612.916
total0.87199.62100.32
VS< 1%..6.5226.522
1-4%1.05823.01124.011
5-9%3.43121.71225.111
10-25%1.45032.3933.79
26-50%1.74416.21417.913
51-75%0.7715.1255.824
76-100%..1.4501.450
total8.220106.23114.43
ZG< 1%..1.2561.256
1-4%......
5-9%......
10-25%..1.7441.744
26-50%..1.7441.744
51-75%..0.41000.4100
76-100%..1.3531.353
total..6.376.37
ZH< 1%..1.1571.157
1-4%..2.8352.835
5-9%..2.8352.835
10-25%..10.61610.616
26-50%..8.1208.120
51-75%..12.71512.715
76-100%..13.81413.814
total..51.8251.82
Switzerland< 1%2.14159.6861.77
1-4%5.625161.04166.64
5-9%9.919175.94185.94
10-25%13.916320.13334.03
26-50%6.723209.24215.94
51-75%3.233124.85128.05
76-100%1.450106.05107.45
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162116/148495

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes) %± %± %± %± %± %±
inside perimeter< 1%......8.63.3..4.91.9
1-4%......11.43.824.37.513.23.1
5-9%44.516.6..12.511.722.95.021.27.123.23.8
10-25%44.416.6..12.511.732.95.633.38.232.24.3
26-50%....37.517.114.34.218.26.715.73.3
51-75%11.110.5100.0.25.015.37.13.1..7.52.4
76-100%....12.511.72.92.03.03.03.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%2.90.73.30.75.30.96.50.87.51.35.10.4
1-4%8.11.26.51.013.31.419.21.221.72.113.90.6
5-9%12.11.48.71.114.31.418.11.224.52.115.20.6
10-25%23.41.822.11.633.61.931.11.425.62.227.80.8
26-50%20.31.721.31.618.61.616.01.114.41.718.10.7
51-75%16.11.618.41.59.11.26.50.84.41.010.80.5
76-100%17.01.619.61.65.80.92.60.52.00.79.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%2.90.73.30.75.20.96.60.76.91.25.10.4
1-4%7.91.16.51.013.21.418.71.221.92.013.90.6
5-9%12.61.48.71.114.31.418.41.224.22.115.50.6
10-25%23.81.822.01.633.31.931.21.426.12.127.90.8
26-50%20.01.721.31.618.91.615.91.114.71.718.00.7
51-75%16.01.618.51.59.31.26.50.74.10.910.60.5
76-100%16.81.619.61.55.90.92.60.52.00.78.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162117/148496

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%......2.141..2.141
1-4%......2.8352.8355.625
5-9%1.550..0.41005.5252.5389.819
10-25%1.550..0.41008.0213.93013.716
26-50%....1.1583.5312.1416.723
51-75%0.41000.41000.7711.745..3.233
76-100%....0.41000.7710.41001.450
total3.3330.41002.93524.21211.71742.49
outside perimeter< 1%5.8257.72111.51723.61210.71859.38
1-4%16.11515.11529.21069.7630.810160.94
5-9%24.11220.01331.31065.6734.89175.84
10-25%46.7851.0773.56112.5536.39320.13
26-50%40.5949.2840.7958.1720.412209.04
51-75%32.11042.5819.81323.4126.323124.25
76-100%34.0945.3812.6169.4192.835104.15
total199.31231.01218.72362.32142.131153.31
total< 1%5.8257.72111.51725.61110.71861.47
1-4%16.11515.11529.21072.4633.79166.54
5-9%25.51120.01331.71071.1637.39185.74
10-25%48.2851.0773.96120.5540.28333.73
26-50%40.5949.2841.8961.6722.512215.74
51-75%32.51042.9820.51325.1116.323127.35
76-100%34.0945.3813.01610.1183.133105.55
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162118/148497

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes) %± %± %± %± %± %± %±
inside perimeter< 1%....20.08.0..9.18.7..4.91.9
1-4%..5.65.44.03.912.56.727.213.424.37.513.33.1
5-9%39.915.522.29.88.05.441.810.19.18.721.27.123.13.8
10-25%40.115.533.311.140.09.816.67.636.614.633.38.232.34.3
26-50%..11.17.416.07.320.88.318.111.618.26.715.63.3
51-75%20.012.616.78.88.05.48.35.6....7.52.4
76-100%..11.17.44.03.9....3.03.03.31.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%3.20.53.00.77.61.46.21.48.71.47.51.35.10.4
1-4%7.20.713.21.414.01.821.72.321.62.021.72.113.90.6
5-9%10.20.915.51.515.21.920.42.317.01.824.52.115.20.6
10-25%22.71.235.92.029.22.430.42.630.22.325.62.227.70.8
26-50%20.91.217.81.620.32.115.22.014.31.714.41.718.10.7
51-75%17.41.19.61.28.01.44.81.26.01.24.41.010.80.5
76-100%18.41.15.00.95.71.21.30.62.20.72.00.79.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%3.10.52.90.78.41.45.71.38.81.46.91.25.10.4
1-4%7.20.712.91.413.41.721.02.221.72.021.92.013.90.6
5-9%10.50.915.71.514.71.821.92.316.81.824.22.115.50.6
10-25%22.81.235.92.029.92.329.42.530.42.226.12.127.90.8
26-50%20.71.217.61.620.02.015.62.014.41.714.71.718.00.7
51-75%17.41.19.81.28.01.45.11.25.91.14.10.910.70.5
76-100%18.31.15.20.95.61.21.20.62.10.72.00.78.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162119/148498

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%....1.744..0.4100..2.141
1-4%..0.41000.31001.0581.1582.8355.625
5-9%1.4501.4500.7713.4310.41002.5389.819
10-25%1.4502.2413.4311.4501.4503.93013.716
26-50%..0.7711.4501.7440.7712.1416.623
51-75%0.7711.1580.7710.771....3.233
76-100%..0.7710.3100....0.41001.450
total3.6326.5238.6198.2203.93011.71742.59
outside perimeter< 1%13.6166.1249.7186.52212.71610.71859.38
1-4%31.11026.71117.91323.01131.31030.810160.94
5-9%44.0931.41019.41321.71224.61134.89175.84
10-25%97.7572.9637.3932.3943.8836.39320.23
26-50%89.8636.1926.01116.21420.71220.412209.14
51-75%74.8619.51310.2185.1258.7206.323124.65
76-100%79.4610.1197.3211.4503.2332.835104.15
total430.41202.72127.83106.23145.02142.131154.11
total< 1%13.6166.12411.4176.52213.01610.71861.47
1-4%31.11027.01118.31324.01132.4933.79166.64
5-9%45.4832.81020.11225.11124.91137.39185.74
10-25%99.1575.0640.7833.7945.2840.28334.03
26-50%89.8636.8927.41117.91321.41222.512215.84
51-75%75.5620.61310.9185.8248.7206.323127.85
76-100%79.4610.8187.6211.4503.2333.133105.55
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162120/148499
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