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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · cause of salvage logging · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a4.72818.01413.11523.71115.11411.41785.96
insects..1.158......0.41001.450
fungi..............
windthrow..1.158..0.771....1.845
snow load....0.3100..0.41000.41001.158
avalanches..........0.41000.4100
landslides..............
flooding..............
forest fire..............
loss of vitality..............
others..............
total4.72820.21313.41524.41115.51412.41690.56
outside perimetern/a354.12158.3393.6466.9599.74104.44877.01
insects25.0126.5233.133..1.4500.410036.410
fungi2.935..0.3100......3.233
windthrow19.7134.0302.4381.0580.7711.15828.911
snow load6.4230.7712.8351.4501.8450.77113.816
avalanches..........0.41000.4100
landslides0.771..0.3100......1.158
flooding..............
forest fire..............
loss of vitality6.4230.7710.771......7.821
others2.141..........2.141
total417.41170.22103.2369.35103.63106.94970.61
totaln/a358.82176.32106.7390.64114.83115.73962.91
insects25.0127.6213.133..1.4500.77137.89
fungi2.935..0.3100......3.233
windthrow19.7135.0262.4381.7440.7711.15830.611
snow load6.4230.7713.1331.4502.1411.15814.815
avalanches..........0.7710.771
landslides0.771..0.3100......1.158
flooding..............
forest fire..............
loss of vitality6.4230.7710.771......7.821
others2.141..........2.141
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163489/149869

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · cause of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncause of salvage logging %± %± %±
Western Juran/a100.0.90.61.590.91.4
insects..4.51.04.31.0
fungi......
windthrow..3.00.82.90.8
snow load..0.20.20.20.2
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.70.61.70.6
others......
total100.0.100.0.100.0.
Eastern Juran/a..79.03.879.03.8
insects..3.41.73.41.7
fungi..1.71.21.71.2
windthrow..9.32.79.32.7
snow load..2.51.42.51.4
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..3.41.73.41.7
others..0.80.80.80.8
total..100.0.100.0.
Western Plateaun/a..85.33.385.33.3
insects..6.12.26.12.2
fungi......
windthrow..4.21.94.21.9
snow load..0.90.90.90.9
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.71.21.71.2
others..1.71.21.71.2
total..100.0.100.0.
Central Plateaun/a..82.02.682.02.6
insects..9.01.99.01.9
fungi..0.90.60.90.6
windthrow..4.51.44.51.4
snow load..1.80.91.80.9
avalanches......
landslides..0.50.50.50.5
flooding......
forest fire......
loss of vitality..1.40.81.40.8
others......
total..100.0.100.0.
Eastern Plateaun/a..81.52.281.52.2
insects..6.81.46.81.4
fungi..1.30.61.30.6
windthrow..5.51.35.51.3
snow load..2.91.02.91.0
avalanches......
landslides..0.30.30.30.3
flooding......
forest fire......
loss of vitality..0.60.50.60.5
others..1.00.61.00.6
total..100.0.100.0.
Western Pre-Alpsn/a87.411.896.11.995.52.0
insects..1.01.00.90.9
fungi......
windthrow12.611.82.91.73.61.8
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Central Pre-Alpsn/a94.75.191.81.892.01.7
insects5.35.16.11.56.11.5
fungi......
windthrow..0.80.60.80.5
snow load..0.80.60.80.5
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.40.40.40.4
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a87.511.789.22.389.12.2
insects..3.81.43.61.3
fungi..0.50.50.50.5
windthrow..2.21.12.11.0
snow load12.511.73.21.33.61.3
avalanches......
landslides..0.50.50.50.5
flooding......
forest fire......
loss of vitality..0.50.50.50.5
others......
total100.0.100.0.100.0.
Northwestern Alpsn/a86.26.392.82.391.52.3
insects6.94.71.61.12.61.3
fungi......
windthrow6.94.74.81.95.21.8
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.80.80.70.7
others......
total100.0.100.0.100.0.
Central Alpsn/a100.0.90.04.292.23.4
insects......
fungi......
windthrow..6.03.44.72.6
snow load..2.02.01.61.6
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..2.02.01.61.6
others......
total100.0.100.0.100.0.
Northeastern Alpsn/a100.0.95.22.796.32.1
insects..3.22.22.51.8
fungi......
windthrow......
snow load..1.61.61.21.2
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Southwestern Alpsn/a97.22.096.51.396.71.1
insects......
fungi......
windthrow2.82.01.50.91.80.8
snow load..2.01.01.50.7
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Southeastern Alpsn/a97.72.296.31.196.51.0
insects..1.40.71.20.6
fungi......
windthrow..0.70.50.60.4
snow load2.32.21.70.81.80.7
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Southern Alpsn/a91.44.797.70.997.00.9
insects2.92.80.30.30.60.4
fungi......
windthrow..1.00.60.90.5
snow load2.92.80.70.50.90.5
avalanches2.92.80.30.30.60.4
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Switzerlandn/a94.91.490.40.690.80.5
insects1.60.83.70.43.50.3
fungi..0.30.10.30.1
windthrow2.00.93.00.32.90.3
snow load1.20.71.40.21.40.2
avalanches0.40.40.00.00.10.0
landslides..0.10.10.10.1
flooding......
forest fire......
loss of vitality..0.80.20.70.2
others..0.20.10.20.1
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163490/149870

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · cause of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncause of salvage logging1000 ha± %1000 ha± %1000 ha± %
Western Juran/a4.627130.73135.32
insects..6.4236.423
fungi......
windthrow..4.3294.329
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..2.5382.538
others......
total4.627144.22148.92
Eastern Juran/a..37.1537.15
insects..1.6491.649
fungi..0.8700.870
windthrow..4.4294.429
snow load..1.2571.257
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.6491.649
others..0.41000.4100
total..47.0347.03
Western Plateaun/a..40.2540.25
insects..2.9372.937
fungi......
windthrow..2.0442.044
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.8700.870
others..0.8700.870
total..47.2447.24
Central Plateaun/a..56.3456.34
insects..6.2216.221
fungi..0.6710.671
windthrow..3.1313.131
snow load..1.2501.250
avalanches......
landslides..0.31000.3100
flooding......
forest fire......
loss of vitality..0.9570.957
others......
total..68.7268.72
Eastern Plateaun/a..89.7389.73
insects..7.5217.521
fungi..1.4501.450
windthrow..6.1246.124
snow load..3.2333.233
avalanches......
landslides..0.41000.4100
flooding......
forest fire......
loss of vitality..0.7710.771
others..1.1581.158
total..110.12110.12
Western Pre-Alpsn/a2.63736.6539.25
insects..0.41000.4100
fungi......
windthrow0.41001.1571.549
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total2.93538.1541.14
Central Pre-Alpsn/a6.52380.7487.13
insects0.41005.4255.724
fungi......
windthrow..0.7710.771
snow load..0.7710.771
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total6.82287.8394.72
Eastern Pre-Alpsn/a2.53758.9461.44
insects..2.5372.537
fungi..0.41000.4100
windthrow..1.4501.450
snow load0.41002.1402.537
avalanches......
landslides..0.41000.4100
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total2.93566.1368.93
Northwestern Alpsn/a8.91941.1650.05
insects0.7710.7711.450
fungi......
windthrow0.7712.1402.935
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total10.41744.3654.74
Central Alpsn/a4.82515.61220.49
insects......
fungi......
windthrow..1.0571.057
snow load..0.31000.3100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.31000.3100
others......
total4.82517.31122.18
Northeastern Alpsn/a6.12221.5927.67
insects..0.7700.770
fungi......
windthrow......
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total6.12222.6928.76
Southwestern Alpsn/a23.71166.9590.64
insects......
fungi......
windthrow0.7711.0581.744
snow load..1.4501.450
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total24.41169.3593.73
Southeastern Alpsn/a15.11499.74114.83
insects..1.4501.450
fungi......
windthrow..0.7710.771
snow load0.41001.8452.141
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total15.514103.63119.03
Southern Alpsn/a11.417104.44115.73
insects0.41000.41000.771
fungi......
windthrow..1.1581.158
snow load0.41000.7711.158
avalanches0.41000.41000.771
landslides......
flooding......
forest fire......
loss of vitality......
others......
total12.416106.94119.33
Switzerlandn/a86.16879.41965.61
insects1.45036.01037.510
fungi..3.2333.233
windthrow1.84529.01130.811
snow load1.15813.81614.915
avalanches0.41000.41000.771
landslides..1.0581.058
flooding......
forest fire......
loss of vitality..8.0218.021
others..2.3412.341
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163491/149871

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha22.213.950.035.423.76.946.010.233.319.327.58.330.44.4
20-39 m2/ha66.615.750.035.423.76.929.19.333.319.348.29.336.24.6
40-59 m2/ha11.310.6..34.27.720.88.316.715.220.87.624.14.1
from 60 m2/ha....18.46.34.24.116.715.23.43.49.32.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha23.41.928.51.724.51.534.53.227.22.729.22.626.80.8
20-39 m2/ha48.52.243.31.935.01.636.83.240.73.043.42.841.10.9
40-59 m2/ha23.81.921.91.528.11.521.52.824.32.621.62.324.30.8
from 60 m2/ha4.30.96.30.912.41.17.21.77.81.65.71.37.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha23.41.928.61.724.51.435.73.127.32.729.12.526.90.8
20-39 m2/ha48.82.243.31.934.51.636.03.140.53.043.82.740.90.9
40-59 m2/ha23.61.921.91.528.41.521.42.624.12.621.62.224.30.8
from 60 m2/ha4.20.96.30.912.61.16.91.68.01.65.51.27.90.5
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 #163492/149872

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %±
inside perimetern/a..100.0...1.71.7..1.91.3
single-layered44.516.6..12.511.734.46.144.99.236.14.6
multi-layered44.516.6..62.517.147.56.451.79.349.14.8
stratified....25.015.316.44.73.43.412.03.1
clustered structure11.010.4........1.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.80.32.30.62.70.61.30.61.70.2
single-layered29.62.033.11.937.32.039.31.736.62.735.40.9
multi-layered59.02.159.91.945.22.136.51.751.42.949.20.9
stratified10.61.36.10.914.51.519.71.410.01.712.90.6
clustered structure0.20.20.20.20.70.41.80.50.60.50.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.90.42.30.62.70.51.20.61.70.2
single-layered29.82.033.11.937.02.038.91.637.32.635.50.9
multi-layered58.82.159.81.945.42.137.31.651.42.749.20.9
stratified10.41.36.10.914.61.519.51.39.51.612.90.6
clustered structure0.40.30.20.20.70.41.70.40.60.40.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163493/149873

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..0.4100..0.4100..0.771
single-layered1.550..0.41007.3224.62713.716
multi-layered1.550..1.84510.0185.32518.614
stratified....0.7713.5320.41004.528
clustered structure0.4100........0.4100
total3.3330.41002.93521.11210.31837.99
outside perimetern/a1.1581.8454.7288.0211.45016.914
single-layered56.9774.8675.36115.3539.98362.33
multi-layered113.54135.3391.25107.2556.07503.32
stratified20.41313.71629.21057.8710.917132.15
clustered structure0.41000.41001.4505.2260.7718.121
total192.42225.91201.82293.52109.041022.71
totaln/a1.1582.1414.7288.3201.45017.714
single-layered58.4774.8675.76122.5544.58376.03
multi-layered115.04135.3393.05117.2561.36521.92
stratified20.41313.71629.91061.3711.317136.65
clustered structure0.7710.41001.4505.2260.7718.520
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163494/149874

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a10.09.5....4.44.3....1.91.3
single-layered39.915.517.69.331.89.941.610.133.319.344.99.236.04.6
multi-layered39.915.558.811.963.610.333.29.633.319.351.79.349.14.8
stratified..23.510.34.54.420.88.333.319.33.43.412.03.1
clustered structure10.19.6..........1.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.70.22.30.72.20.82.41.03.31.01.30.61.70.2
single-layered31.51.434.62.141.02.843.83.138.22.736.62.735.40.9
multi-layered59.51.444.42.245.62.830.92.934.62.651.42.949.20.9
stratified8.10.817.21.710.91.822.52.621.02.210.01.712.90.6
clustered structure0.20.11.40.50.30.30.40.43.00.90.60.50.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.32.30.62.10.82.61.03.21.01.20.61.70.2
single-layered31.61.434.12.140.42.743.63.038.12.637.32.635.40.9
multi-layered59.31.444.92.246.72.731.12.834.52.651.42.749.20.9
stratified8.10.817.41.710.51.722.32.521.22.29.51.612.90.6
clustered structure0.30.11.30.50.30.30.40.42.90.90.60.40.80.2
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 #163495/149875

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.4100....0.4100....0.771
single-layered1.4501.1582.4383.4310.7714.62713.716
multi-layered1.4503.6314.8262.7350.7715.32518.614
stratified..1.4500.31001.7440.7710.41004.628
clustered structure0.4100..........0.4100
total3.6326.1247.6218.2202.14110.31837.99
outside perimetern/a2.9354.3292.4382.1413.9301.45017.014
single-layered132.0463.8644.7737.4844.6839.98362.43
multi-layered248.9381.9549.7726.41040.4856.07503.42
stratified34.01031.71011.91719.21224.51110.917132.35
clustered structure0.7712.5380.31000.31003.5310.7718.121
total418.51184.32109.1385.44116.93109.041023.21
totaln/a3.2334.3292.4382.4383.9301.45017.714
single-layered133.4464.9647.1740.8845.3744.58376.13
multi-layered250.4385.5554.5629.21041.1861.36522.02
stratified34.01033.21012.21620.91225.21111.317136.95
clustered structure1.1582.5380.31000.31003.5310.7718.520
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163496/149876

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand structure %± %± %±
Western Juran/a..0.70.40.70.4
single-layered49.817.730.12.330.52.3
multi-layered37.317.156.02.555.62.4
stratified..13.01.712.71.6
clustered structure12.912.00.20.20.50.3
total100.0.100.0.100.0.
Eastern Juran/a......
single-layered..28.04.127.84.1
multi-layered100.0.69.54.369.74.2
stratified..2.51.52.51.4
clustered structure......
total100.0.100.0.100.0.
Western Plateaun/a..3.51.73.51.7
single-layered..32.34.432.34.4
multi-layered..59.84.659.84.6
stratified..3.51.73.51.7
clustered structure..0.90.90.90.9
total..100.0.100.0.
Central Plateaun/a100.0...0.50.5
single-layered..40.93.340.73.3
multi-layered..52.73.452.43.4
stratified..6.41.76.41.7
clustered structure......
total100.0.100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
single-layered..27.92.627.92.6
multi-layered..64.92.764.92.7
stratified..6.81.46.81.4
clustered structure......
total..100.0.100.0.
Western Pre-Alpsn/a..3.61.83.61.8
single-layered..36.34.636.04.6
multi-layered..49.14.848.64.8
stratified100.0.10.02.910.83.0
clustered structure..0.90.90.90.9
total100.0.100.0.100.0.
Central Pre-Alpsn/a..1.50.81.50.8
single-layered..33.12.932.62.9
multi-layered75.021.743.83.144.33.1
stratified25.021.720.42.520.52.5
clustered structure..1.20.71.10.7
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..2.61.22.61.1
single-layered33.327.343.73.643.53.6
multi-layered66.727.344.73.645.13.6
stratified..8.92.18.82.0
clustered structure......
total100.0.100.0.100.0.
Northwestern Alpsn/a..2.81.42.61.3
single-layered25.012.536.24.135.33.9
multi-layered58.314.341.84.243.14.0
stratified16.710.817.03.217.03.0
clustered structure..2.11.22.01.1
total100.0.100.0.100.0.
Central Alpsn/a......
single-layered40.015.640.76.740.66.2
multi-layered50.015.944.46.845.36.3
stratified10.09.514.94.914.14.4
clustered structure......
total100.0.100.0.100.0.
Northeastern Alpsn/a..2.92.02.51.7
single-layered22.213.933.85.632.55.3
multi-layered77.813.949.36.052.55.6
stratified..12.74.011.33.5
clustered structure..1.41.41.21.2
total100.0.100.0.100.0.
Southwestern Alpsn/a4.44.32.41.02.61.0
single-layered41.610.143.83.143.63.0
multi-layered33.29.630.92.931.12.8
stratified20.88.322.52.622.32.5
clustered structure..0.40.40.40.4
total100.0.100.0.100.0.
Southeastern Alpsn/a..3.31.03.21.0
single-layered33.319.338.22.738.12.6
multi-layered33.319.334.62.634.52.6
stratified33.319.321.02.221.22.2
clustered structure..3.00.92.90.9
total100.0.100.0.100.0.
Southern Alpsn/a..1.30.61.20.6
single-layered44.99.236.62.737.32.6
multi-layered51.79.351.42.951.42.7
stratified3.43.410.01.79.51.6
clustered structure..0.60.50.60.4
total100.0.100.0.100.0.
Switzerlandn/a1.81.21.70.21.70.2
single-layered36.04.635.30.935.40.9
multi-layered49.34.849.30.949.30.9
stratified12.03.112.90.612.80.6
clustered structure1.01.00.80.20.80.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163497/149877

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
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-layered1.45043.9845.48
multi-layered1.15881.7582.85
stratified..18.91318.913
clustered structure0.41000.41000.771
total2.935146.02148.92
Eastern Juran/a......
single-layered..13.11513.115
multi-layered0.410032.4732.87
stratified..1.2571.257
clustered structure......
total0.410046.6347.03
Western Plateaun/a..1.6491.649
single-layered..15.21415.214
multi-layered..28.2928.29
stratified..1.6491.649
clustered structure..0.41000.4100
total..47.2447.24
Central Plateaun/a0.3100..0.3100
single-layered..28.0828.08
multi-layered..36.0736.07
stratified..4.4264.426
clustered structure......
total0.310068.4268.72
Eastern Plateaun/a..0.41000.4100
single-layered..30.7930.79
multi-layered..71.5471.54
stratified..7.5217.521
clustered structure......
total..110.12110.12
Western Pre-Alpsn/a..1.5491.549
single-layered..14.81314.813
multi-layered..20.01120.011
stratified0.41004.1294.428
clustered structure..0.41000.4100
total0.410040.7441.14
Central Pre-Alpsn/a..1.4501.450
single-layered..30.8930.89
multi-layered1.15840.9741.97
stratified0.410019.01319.412
clustered structure..1.1581.158
total1.45093.2394.72
Eastern Pre-Alpsn/a..1.8441.844
single-layered0.410029.6930.09
multi-layered0.77130.4931.18
stratified..6.1236.123
clustered structure......
total1.15767.9368.93
Northwestern Alpsn/a..1.4501.450
single-layered1.15718.21219.312
multi-layered2.53721.11123.610
stratified0.7718.6199.318
clustered structure..1.1571.157
total4.32850.4554.74
Central Alpsn/a......
single-layered1.4497.6199.017
multi-layered1.7448.31810.016
stratified0.31002.8343.132
clustered structure......
total3.43018.61022.18
Northeastern Alpsn/a..0.7710.771
single-layered0.7708.6189.317
multi-layered2.53712.51415.012
stratified..3.2323.232
clustered structure..0.41000.4100
total3.23225.4828.76
Southwestern Alpsn/a0.41002.1412.438
single-layered3.43137.4840.88
multi-layered2.73526.41029.210
stratified1.74419.21220.912
clustered structure..0.31000.3100
total8.22085.4493.73
Southeastern Alpsn/a..3.9303.930
single-layered0.77144.6845.37
multi-layered0.77140.4841.18
stratified0.77124.51125.211
clustered structure..3.5313.531
total2.141116.93119.03
Southern Alpsn/a..1.4501.450
single-layered4.62739.9844.58
multi-layered5.32556.0761.36
stratified0.410010.91711.317
clustered structure..0.7710.771
total10.318109.04119.33
Switzerlandn/a0.77117.31417.914
single-layered13.716362.63376.33
multi-layered18.714505.72524.52
stratified4.628132.15136.75
clustered structure0.41008.2218.620
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163498/149878

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedregeneration cover %± %± %± %± %± %± %±
inside perimeter< 1%....13.25.5..16.715.2..5.62.2
1-9%44.416.6..21.16.654.310.233.319.348.49.337.94.7
10-25%44.516.6..34.27.716.67.633.319.331.08.629.74.4
26-50%..50.035.413.25.520.88.316.715.217.27.015.73.5
51-75%11.110.550.035.410.55.08.35.6....7.42.5
76-100%....7.94.4....3.43.43.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%2.50.73.20.75.20.86.71.78.61.77.61.54.90.4
1-9%20.21.814.91.331.21.641.33.340.73.047.02.828.50.8
10-25%23.61.923.61.632.81.631.83.132.12.927.42.528.10.8
26-50%19.81.822.11.617.21.316.12.513.12.113.31.918.00.7
51-75%16.31.617.91.48.41.02.71.14.81.33.81.110.90.6
76-100%17.61.718.31.45.20.81.30.80.70.51.00.59.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%2.50.73.20.75.50.86.11.58.81.77.01.44.90.4
1-9%20.61.814.91.330.81.642.63.240.63.047.12.728.90.8
10-25%24.01.923.51.632.81.630.42.932.12.827.72.428.20.8
26-50%19.41.722.11.617.01.316.62.413.12.013.61.917.90.7
51-75%16.21.618.01.48.50.93.21.14.71.33.41.010.80.6
76-100%17.31.618.21.45.30.81.20.70.70.51.20.69.30.5
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 #163499/149879

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
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..2.8354.5270.7715.02614.515
10-25%1.450..4.6281.4500.7713.23311.318
26-50%..0.41001.8451.7440.41001.8456.024
51-75%0.41000.41001.4500.771....2.835
76-100%....1.158....0.41001.450
total3.2330.77113.5168.2202.14110.31838.19
outside perimeter< 1%4.7288.12115.6155.1258.1208.52050.28
1-9%37.5937.8994.0531.5938.5852.77292.13
10-25%44.0859.8798.6524.31130.3930.710287.73
26-50%36.7955.9751.9812.31612.31614.915184.04
51-75%30.31045.3825.3122.1414.6274.229111.75
76-100%32.81046.3815.7151.0580.7711.15897.66
total185.92253.21301.1276.4494.63112.131023.21
total< 1%4.7288.12117.4145.1258.5208.52052.48
1-9%38.9937.8996.9536.0839.2857.76306.53
10-25%45.4859.87103.3525.71031.0933.99299.03
26-50%36.7956.2753.6814.01512.71616.714190.04
51-75%30.61045.6826.7112.7354.6274.229114.55
76-100%32.81046.3816.7141.0580.7711.45099.06
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163500/149880

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonregeneration cover %± %± %±
AG< 1%..3.31.63.31.6
1-9%..9.92.79.92.7
10-25%..16.53.416.53.4
26-50%..22.33.822.33.8
51-75%..19.03.619.03.6
76-100%..28.94.128.94.1
total..100.0.100.0.
AI< 1%..26.711.726.711.7
1-9%..46.713.346.713.3
10-25%..13.39.013.39.0
26-50%..6.76.66.76.6
51-75%..6.76.66.76.6
76-100%......
total..100.0.100.0.
AR< 1%..8.05.58.05.5
1-9%..32.09.532.09.5
10-25%..36.09.736.09.7
26-50%..20.08.120.08.1
51-75%......
76-100%..4.04.04.04.0
total..100.0.100.0.
BE< 1%..2.20.72.10.7
1-9%31.111.628.12.128.22.1
10-25%31.611.730.22.130.22.1
26-50%6.26.018.41.817.91.8
51-75%18.79.710.91.511.21.4
76-100%12.48.210.21.410.31.4
total100.0.100.0.100.0.
BL/BS< 1%..4.43.04.33.0
1-9%..4.43.04.33.0
10-25%100.0.25.86.527.46.5
26-50%..26.26.525.66.4
51-75%..17.55.717.15.5
76-100%..21.86.121.46.0
total100.0.100.0.100.0.
FR< 1%..3.61.83.61.8
1-9%..20.93.920.93.9
10-25%..36.34.636.34.6
26-50%..20.93.920.93.9
51-75%..15.53.515.53.5
76-100%..2.71.62.71.6
total..100.0.100.0.
GE< 1%......
1-9%......
10-25%..41.923.741.923.7
26-50%..21.019.921.019.9
51-75%..21.019.921.019.9
76-100%..16.214.416.214.4
total..100.0.100.0.
GL< 1%14.313.311.85.612.25.2
1-9%28.617.229.47.929.37.2
10-25%28.617.223.57.324.46.8
26-50%14.313.317.66.617.15.9
51-75%14.313.35.94.17.34.1
76-100%..11.85.69.84.7
total100.0.100.0.100.0.
GR< 1%6.66.48.91.48.81.4
1-9%46.812.943.32.543.42.5
10-25%33.212.229.22.329.42.3
26-50%13.38.812.21.712.31.6
51-75%..4.31.04.11.0
76-100%..2.00.72.00.7
total100.0.100.0.100.0.
JU< 1%..2.41.72.31.6
1-9%66.727.39.53.211.53.4
10-25%..34.65.233.45.1
26-50%..16.64.116.03.9
51-75%33.327.420.34.420.74.4
76-100%..16.74.116.14.0
total100.0.100.0.100.0.
LU< 1%..3.21.63.21.6
1-9%..23.13.823.13.8
10-25%..35.44.335.44.3
26-50%..22.33.722.33.7
51-75%..11.22.811.22.8
76-100%..4.81.94.81.9
total..100.0.100.0.
NE< 1%..1.21.21.21.2
1-9%..14.33.814.33.8
10-25%..22.24.522.24.5
26-50%..26.94.826.94.8
51-75%..21.34.521.34.5
76-100%..14.03.814.03.8
total..100.0.100.0.
NW< 1%..6.36.25.95.8
1-9%..43.812.641.212.2
10-25%..18.810.017.69.4
26-50%100.0.18.810.023.510.5
51-75%......
76-100%..12.58.411.88.0
total100.0.100.0.100.0.
OW< 1%..2.02.02.02.0
1-9%50.035.732.76.833.46.7
10-25%..40.77.139.16.9
26-50%..12.34.711.84.6
51-75%50.035.78.24.09.84.2
76-100%..4.12.93.92.7
total100.0.100.0.100.0.
SG< 1%25.021.76.02.16.62.1
1-9%..27.83.927.03.8
10-25%50.025.128.63.929.23.9
26-50%25.021.719.53.419.73.4
51-75%..12.02.811.72.8
76-100%..6.02.15.82.0
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%50.035.518.54.319.34.3
10-25%50.035.521.04.521.74.5
26-50%..17.34.216.94.1
51-75%..16.04.115.74.0
76-100%..27.25.026.54.9
total100.0.100.0.100.0.
SZ< 1%..5.92.95.62.8
1-9%..35.35.833.85.6
10-25%33.327.433.85.833.85.6
26-50%33.327.419.14.819.74.7
51-75%..5.92.95.62.8
76-100%33.327.4..1.41.4
total100.0.100.0.100.0.
TG< 1%..7.13.17.13.1
1-9%..7.13.17.13.1
10-25%..18.54.718.54.7
26-50%..28.55.428.55.4
51-75%..20.34.920.34.9
76-100%..18.54.718.54.7
total..100.0.100.0.
TI< 1%..7.71.77.11.6
1-9%45.011.143.63.243.73.0
10-25%30.010.329.12.929.22.8
26-50%20.09.014.52.214.92.2
51-75%..4.41.34.11.2
76-100%5.04.90.80.61.10.6
total100.0.100.0.100.0.
UR< 1%37.517.2..6.93.9
1-9%12.511.825.47.423.06.4
10-25%37.517.231.17.832.27.2
26-50%12.511.829.07.726.06.8
51-75%..11.35.49.24.4
76-100%..3.23.12.62.6
total100.0.100.0.100.0.
VD< 1%..3.61.23.61.2
1-9%..26.72.826.42.8
10-25%100.0.23.72.724.32.7
26-50%..19.72.619.62.5
51-75%..12.72.112.62.1
76-100%..13.62.213.52.2
total100.0.100.0.100.0.
VS< 1%..6.41.65.91.4
1-9%54.310.241.43.142.53.0
10-25%16.67.632.53.031.12.8
26-50%20.88.315.22.315.72.2
51-75%8.35.63.21.13.71.1
76-100%..1.20.71.10.6
total100.0.100.0.100.0.
ZG< 1%..7.77.77.77.7
1-9%......
10-25%..30.813.230.813.2
26-50%..30.813.230.813.2
51-75%..7.77.77.77.7
76-100%..23.112.123.112.1
total..100.0.100.0.
ZH< 1%..2.11.22.11.2
1-9%..11.22.611.22.6
10-25%..21.03.421.03.4
26-50%..14.73.014.73.0
51-75%..24.53.624.53.6
76-100%..26.63.726.63.7
total..100.0.100.0.
Switzerland< 1%5.52.24.90.44.90.4
1-9%37.94.728.40.828.70.8
10-25%29.84.428.10.828.10.8
26-50%15.73.518.00.717.90.7
51-75%7.52.511.00.610.80.6
76-100%3.71.89.70.59.50.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163501/149881

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
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%..9.3199.319
76-100%..14.11414.114
total..48.7248.72
AI< 1%..1.3451.345
1-9%..2.3302.330
10-25%..0.6690.669
26-50%..0.31000.3100
51-75%..0.31000.3100
76-100%......
total..4.8114.811
AR< 1%..0.6690.669
1-9%..2.6302.630
10-25%..2.9272.927
26-50%..1.6411.641
51-75%......
76-100%..0.31000.3100
total..8.058.05
BE< 1%..3.4313.431
1-9%1.74544.1845.88
10-25%1.74547.3749.07
26-50%0.310028.81029.110
51-75%1.05817.11418.113
76-100%0.77116.11416.714
total5.525156.82162.32
BL/BS< 1%..0.8700.870
1-9%..0.8700.870
10-25%0.41004.8265.225
26-50%..4.9264.926
51-75%..3.3333.333
76-100%..4.1294.129
total0.410018.7719.16
FR< 1%..1.5491.549
1-9%..8.6198.619
10-25%..14.91314.913
26-50%..8.6198.619
51-75%..6.4236.423
76-100%..1.1571.157
total..41.1341.13
GE< 1%......
1-9%......
10-25%..0.9650.965
26-50%..0.51000.5100
51-75%..0.51000.5100
76-100%..0.41000.4100
total..2.2342.234
GL< 1%0.41001.5491.943
1-9%0.8703.9294.626
10-25%0.8703.1333.929
26-50%0.41002.3392.736
51-75%0.41000.8701.257
76-100%..1.5491.549
total2.73613.11115.88
GR< 1%0.310012.21612.616
1-9%2.53859.4661.86
10-25%1.74540.1841.88
26-50%0.77116.71417.414
51-75%..5.9245.924
76-100%..2.8352.835
total5.226137.13142.33
JU< 1%..0.8700.870
1-9%0.8703.1343.930
10-25%..11.31511.315
26-50%..5.4255.425
51-75%0.41006.6227.021
76-100%..5.5255.525
total1.25732.7333.93
LU< 1%..1.3491.349
1-9%..9.1179.117
10-25%..13.91313.913
26-50%..8.8178.817
51-75%..4.4254.425
76-100%..1.9401.940
total..39.3339.33
NE< 1%..0.31000.3100
1-9%..3.9283.928
10-25%..6.1216.121
26-50%..7.4187.418
51-75%..5.8225.822
76-100%..3.8273.827
total..27.4427.44
NW< 1%..0.41000.4100
1-9%..2.7322.732
10-25%..1.2551.255
26-50%0.41001.2551.546
51-75%......
76-100%..0.8690.869
total0.41006.1146.513
OW< 1%..0.41000.4100
1-9%0.41006.0216.420
10-25%..7.4187.418
26-50%..2.2392.239
51-75%0.41001.5491.943
76-100%..0.7700.770
total0.77018.3519.04
SG< 1%0.41002.9353.333
1-9%..13.41513.415
10-25%0.77013.71414.514
26-50%0.41009.4189.818
51-75%..5.8245.824
76-100%..2.9352.935
total1.45048.1549.54
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%0.41006.4226.821
26-50%..5.3255.325
51-75%..4.9264.926
76-100%..8.3198.319
total0.87030.7431.44
SZ< 1%..1.4491.449
1-9%..8.7178.717
10-25%0.41008.3188.718
26-50%0.41004.7265.125
51-75%..1.4491.449
76-100%0.4100..0.4100
total1.15724.6625.75
TG< 1%..1.5431.543
1-9%..1.5431.543
10-25%..3.9253.925
26-50%..6.0196.019
51-75%..4.3254.325
76-100%..3.9253.925
total..21.0421.04
TI< 1%..6.8226.822
1-9%3.23338.7841.98
10-25%2.14125.81128.010
26-50%1.45012.91614.315
51-75%..3.9303.930
76-100%0.41000.7711.158
total7.22288.7495.94
UR< 1%1.057..1.057
1-9%0.31003.0313.330
10-25%1.0573.6284.624
26-50%0.31003.4303.729
51-75%..1.3491.349
76-100%..0.41000.4100
total2.63411.71314.311
VD< 1%..3.3333.333
1-9%..24.71124.711
10-25%0.87121.91222.712
26-50%..18.21318.213
51-75%..11.81711.817
76-100%..12.51612.516
total0.87192.5393.23
VS< 1%..5.5255.525
1-9%4.52735.4939.88
10-25%1.45027.81029.210
26-50%1.74413.01514.714
51-75%0.7712.7353.431
76-100%..1.0581.058
total8.22085.4493.73
ZG< 1%..0.41000.4100
1-9%......
10-25%..1.7441.744
26-50%..1.7441.744
51-75%..0.41000.4100
76-100%..1.3531.353
total..5.695.69
ZH< 1%..1.1571.157
1-9%..5.6245.624
10-25%..10.61610.616
26-50%..7.4207.420
51-75%..12.31512.315
76-100%..13.41413.414
total..50.4250.42
Switzerland< 1%2.14150.2852.28
1-9%14.516291.23305.73
10-25%11.418287.83299.23
26-50%6.024184.44190.44
51-75%2.935112.55115.35
76-100%1.45099.66101.06
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #163502/149882

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedregeneration cover %± %± %± %± %± %±
inside perimeter< 1%......9.83.8..5.52.2
1-9%44.516.6..12.511.736.16.248.39.338.04.7
10-25%44.416.6..12.511.729.55.831.08.629.64.4
26-50%....37.517.114.74.517.27.015.73.5
51-75%11.110.5100.0.25.015.36.63.2..7.42.5
76-100%....12.511.73.32.33.43.43.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%2.50.73.30.74.80.96.80.97.51.54.90.4
1-9%19.51.714.91.427.71.938.31.747.42.828.50.8
10-25%23.51.822.41.634.12.031.81.627.02.528.10.8
26-50%20.71.821.51.618.41.615.11.213.31.918.00.7
51-75%16.51.618.51.59.11.25.30.83.81.110.90.6
76-100%17.31.619.41.65.91.02.60.51.00.69.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%2.40.73.30.74.80.97.00.86.81.44.90.4
1-9%20.01.714.91.427.51.938.21.647.52.728.80.8
10-25%23.91.822.41.633.82.031.71.527.32.428.20.8
26-50%20.31.721.41.618.71.615.11.213.61.917.90.7
51-75%16.41.618.61.59.31.25.40.83.51.010.80.6
76-100%17.01.619.41.66.01.02.60.51.20.69.30.5
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 #163503/149883

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
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..0.41007.6215.02614.415
10-25%1.550..0.41006.2233.23311.218
26-50%....1.1583.1331.8456.024
51-75%0.41000.41000.7711.450..2.835
76-100%....0.41000.7710.41001.450
total3.3330.41002.93521.11210.31837.99
outside perimeter< 1%4.7287.4229.71920.0138.12050.08
1-9%37.6933.7955.97112.4551.77291.33
10-25%45.3850.6768.8693.5529.410287.63
26-50%39.8948.5837.1944.4814.515184.24
51-75%31.81041.8818.41315.6154.229111.85
76-100%33.21043.9811.9177.6211.15897.76
total192.42225.91201.82293.52109.041022.71
total< 1%4.7287.4229.71922.1128.12052.18
1-9%39.1933.7956.27120.0556.77305.73
10-25%46.7850.6769.2699.7532.69298.93
26-50%39.8948.5838.2947.5816.314190.24
51-75%32.11042.2819.11317.0144.229114.65
76-100%33.21043.9812.3178.3201.45099.26
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163504/149884

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedregeneration cover %± %± %± %± %± %± %±
inside perimeter< 1%....22.78.9..16.715.2..5.52.2
1-9%39.915.529.411.113.67.354.310.233.319.348.39.338.04.7
10-25%40.115.529.411.136.410.316.67.633.319.331.08.629.74.4
26-50%..11.87.818.28.220.88.316.715.217.27.015.63.5
51-75%20.012.617.69.34.54.48.35.6....7.52.5
76-100%..11.87.84.54.4....3.43.43.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%2.90.52.90.77.31.56.41.69.31.67.51.54.90.4
1-9%17.01.129.02.030.72.641.43.139.72.747.42.828.50.8
10-25%22.91.236.02.129.12.632.53.031.22.527.02.528.10.8
26-50%21.11.217.41.719.52.215.22.312.91.813.31.918.00.7
51-75%17.61.19.61.37.41.53.21.14.81.23.81.110.90.6
76-100%18.51.15.11.06.01.31.20.72.10.81.00.69.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%2.90.52.80.78.31.55.91.49.41.66.81.44.90.4
1-9%17.21.129.02.029.62.542.53.039.62.747.52.728.80.8
10-25%23.11.235.82.129.62.531.12.831.22.527.32.428.20.8
26-50%20.91.217.21.619.42.215.72.213.01.813.61.917.90.7
51-75%17.61.19.81.37.21.43.71.14.71.13.51.010.80.6
76-100%18.31.15.31.05.91.31.10.62.10.81.20.69.30.5
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 #163505/149885

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
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%1.4501.8451.0584.5270.7715.02614.415
10-25%1.4501.8452.8351.4500.7713.23311.318
26-50%..0.7711.4501.7440.41001.8455.924
51-75%0.7711.1580.31000.771....2.835
76-100%..0.7710.3100....0.41001.450
total3.6326.1247.6218.2202.14110.31837.99
outside perimeter< 1%12.2175.4267.9205.52510.9178.12050.08
1-9%71.2753.4733.5935.4946.4751.77291.53
10-25%95.9566.4631.8927.81036.5929.410287.73
26-50%88.3632.11021.21213.01515.11514.515184.34
51-75%73.7617.7148.1202.7355.6254.229112.05
76-100%77.269.4196.6221.0582.5381.15897.76
total418.51184.32109.1385.44116.93109.041023.21
total< 1%12.2175.4269.7185.52511.2178.12052.18
1-9%72.6655.2734.5939.8847.1756.77305.93
10-25%97.3568.2634.5929.21037.2932.69298.93
26-50%88.3632.81022.61214.71415.51416.314190.24
51-75%74.4618.8138.4203.4315.6254.229114.85
76-100%77.2610.1186.9221.0582.5381.45099.26
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163506/149886

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionregeneration cover %± %± %±
Western Jura< 1%..2.00.71.90.7
1-9%49.817.721.32.021.82.0
10-25%37.817.224.92.125.22.1
26-50%..19.82.019.41.9
51-75%12.411.716.91.916.81.8
76-100%..15.11.814.81.7
total100.0.100.0.100.0.
Eastern Jura< 1%..4.21.94.21.8
1-9%..13.63.213.53.1
10-25%100.0.18.53.619.23.6
26-50%..23.83.923.63.9
51-75%..15.33.315.13.3
76-100%..24.64.024.43.9
total100.0.100.0.100.0.
Western Plateau< 1%..0.90.90.90.9
1-9%..21.83.921.83.9
10-25%..30.34.330.34.3
26-50%..23.64.023.64.0
51-75%..10.42.810.42.8
76-100%..13.03.113.03.1
total..100.0.100.0.
Central Plateau< 1%..3.61.33.61.3
1-9%..18.12.618.02.6
10-25%..22.42.822.32.8
26-50%..21.42.821.32.8
51-75%100.0.16.82.517.12.5
76-100%..17.72.617.62.6
total100.0.100.0.100.0.
Eastern Plateau< 1%..3.91.13.91.1
1-9%..10.11.710.11.7
10-25%..19.52.319.52.3
26-50%..20.82.320.82.3
51-75%..22.72.422.72.4
76-100%..23.12.423.12.4
total..100.0.100.0.
Western Pre-Alps< 1%..6.42.36.32.3
1-9%..26.44.226.24.2
10-25%..34.44.534.14.5
26-50%100.0.15.53.516.23.5
51-75%..14.63.414.43.4
76-100%..2.71.62.71.5
total100.0.100.0.100.0.
Central Pre-Alps< 1%..1.50.81.50.8
1-9%25.021.726.92.826.92.7
10-25%..38.13.037.53.0
26-50%25.021.718.52.418.62.4
51-75%50.025.08.11.78.71.7
76-100%..6.91.66.81.6
total100.0.100.0.100.0.
Eastern Pre-Alps< 1%..8.42.08.32.0
1-9%..29.53.329.03.3
10-25%33.327.328.43.328.53.3
26-50%33.327.320.02.920.22.9
51-75%..7.41.97.31.9
76-100%33.327.36.31.86.71.8
total100.0.100.0.100.0.
Northwestern Alps< 1%..2.81.42.61.3
1-9%33.313.634.74.034.63.9
10-25%41.714.333.44.034.03.8
26-50%..17.03.215.72.9
51-75%8.38.08.52.48.52.3
76-100%16.710.83.51.64.61.7
total100.0.100.0.100.0.
Central Alps< 1%30.014.6..4.72.6
1-9%10.09.533.26.429.65.7
10-25%40.015.633.26.434.26.0
26-50%20.012.722.45.722.05.2
51-75%..9.23.97.83.4
76-100%..2.02.01.71.7
total100.0.100.0.100.0.
Northeastern Alps< 1%22.213.99.93.611.23.5
1-9%22.213.932.45.631.35.2
10-25%33.315.828.25.428.85.1
26-50%11.110.515.54.315.04.0
51-75%11.110.55.62.76.22.7
76-100%..8.43.37.53.0
total100.0.100.0.100.0.
Southwestern Alps< 1%..6.41.65.91.4
1-9%54.310.241.43.142.53.0
10-25%16.67.632.53.031.12.8
26-50%20.88.315.22.315.72.2
51-75%8.35.63.21.13.71.1
76-100%..1.20.71.10.6
total100.0.100.0.100.0.
Southeastern Alps< 1%16.715.29.31.69.41.6
1-9%33.319.339.72.739.62.7
10-25%33.319.331.22.531.22.5
26-50%16.715.212.91.813.01.8
51-75%..4.81.24.71.1
76-100%..2.10.82.10.8
total100.0.100.0.100.0.
Southern Alps< 1%..7.51.56.81.4
1-9%48.39.347.42.847.52.7
10-25%31.08.627.02.527.32.4
26-50%17.27.013.31.913.61.9
51-75%..3.81.13.51.0
76-100%3.43.41.00.61.20.6
total100.0.100.0.100.0.
Switzerland< 1%5.52.24.90.44.90.4
1-9%37.94.728.50.828.80.8
10-25%29.84.428.10.828.20.8
26-50%15.73.518.00.718.00.7
51-75%7.32.510.90.610.70.6
76-100%3.71.89.50.59.30.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163507/149887

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%..2.9352.935
1-9%1.45031.11032.59
10-25%1.15836.4937.59
26-50%..28.91028.910
51-75%0.410024.61125.011
76-100%..22.11222.112
total2.935146.02148.92
Eastern Jura< 1%..2.0442.044
1-9%..6.3236.323
10-25%0.41008.6209.019
26-50%..11.11711.117
51-75%..7.1227.122
76-100%..11.51611.516
total0.410046.6347.03
Western Plateau< 1%..0.41000.4100
1-9%..10.31810.318
10-25%..14.31514.315
26-50%..11.11711.117
51-75%..4.9284.928
76-100%..6.1256.125
total..47.2447.24
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%..12.11512.115
total0.310068.4268.72
Eastern Plateau< 1%..4.3284.328
1-9%..11.11711.117
10-25%..21.41221.412
26-50%..22.91122.911
51-75%..25.01125.011
76-100%..25.41125.411
total..110.12110.12
Western Pre-Alps< 1%..2.6372.637
1-9%..10.81610.816
10-25%..14.01414.014
26-50%0.41006.3236.722
51-75%..5.9235.923
76-100%..1.1571.157
total0.410040.7441.14
Central Pre-Alps< 1%..1.4501.450
1-9%0.410025.11125.510
10-25%..35.5835.58
26-50%0.410017.21317.613
51-75%0.7717.5218.220
76-100%..6.5236.523
total1.45093.2394.72
Eastern Pre-Alps< 1%..5.7245.724
1-9%..20.01220.012
10-25%0.410019.31219.612
26-50%0.410013.61513.915
51-75%..5.0265.026
76-100%0.41004.3284.627
total1.15767.9368.93
Northwestern Alps< 1%..1.4501.450
1-9%1.45017.51218.912
10-25%1.84416.81318.612
26-50%..8.6198.619
51-75%0.41004.3284.727
76-100%0.7711.8442.537
total4.32850.4554.74
Central Alps< 1%1.057..1.057
1-9%0.31006.2226.521
10-25%1.4496.2227.619
26-50%0.7704.2284.926
51-75%..1.7441.744
76-100%..0.41000.4100
total3.43018.61022.18
Northeastern Alps< 1%0.7702.5373.232
1-9%0.7708.2199.018
10-25%1.1577.2218.219
26-50%0.41003.9294.327
51-75%0.41001.4491.844
76-100%..2.1402.140
total3.23225.4828.76
Southwestern Alps< 1%..5.5255.525
1-9%4.52735.4939.88
10-25%1.45027.81029.210
26-50%1.74413.01514.714
51-75%0.7712.7353.431
76-100%..1.0581.058
total8.22085.4493.73
Southeastern Alps< 1%0.410010.91711.217
1-9%0.77146.4747.17
10-25%0.77136.5937.29
26-50%0.410015.11515.514
51-75%..5.6255.625
76-100%..2.5382.538
total2.141116.93119.03
Southern Alps< 1%..8.1208.120
1-9%5.02651.7756.77
10-25%3.23329.41032.69
26-50%1.84514.51516.314
51-75%..4.2294.229
76-100%0.41001.1581.450
total10.318109.04119.33
Switzerland< 1%2.14150.3852.48
1-9%14.415292.43306.83
10-25%11.318288.83300.13
26-50%6.024185.04191.04
51-75%2.835111.65114.35
76-100%1.45097.9699.36
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163508/149888

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 NFI1/NFI2/NFI3/NFI4 combined
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%....13.25.5..16.715.2..5.62.2
1-4%....5.33.612.56.733.319.324.28.013.03.2
5-9%44.416.6..15.85.941.810.1..24.17.924.94.2
10-25%44.516.6..34.27.716.67.633.319.331.08.629.74.4
26-50%..50.035.413.25.520.88.316.715.217.27.015.73.5
51-75%11.110.550.035.410.55.08.35.6....7.42.5
76-100%....7.94.4....3.43.43.71.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%2.50.73.20.75.20.86.71.78.61.77.61.54.90.4
1-4%7.81.26.60.915.21.222.02.823.52.622.52.413.80.6
5-9%12.41.58.41.016.01.319.32.617.22.324.52.414.70.7
10-25%23.61.923.61.632.81.631.83.132.12.927.42.528.10.8
26-50%19.81.822.11.617.21.316.12.513.12.113.31.918.00.7
51-75%16.31.617.91.48.41.02.71.14.81.33.81.110.90.6
76-100%17.61.718.31.45.20.81.30.80.70.51.00.59.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%2.50.73.20.75.50.86.11.58.81.77.01.44.90.4
1-4%7.61.26.50.914.81.221.12.623.82.622.72.313.80.6
5-9%12.91.58.41.016.01.221.52.616.82.324.42.315.10.6
10-25%24.01.923.51.632.81.630.42.932.12.827.72.428.20.8
26-50%19.41.722.11.617.01.316.62.413.12.013.61.917.90.7
51-75%16.21.618.01.48.50.93.21.14.71.33.41.010.80.6
76-100%17.31.618.21.45.30.81.20.70.70.51.20.69.30.5
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 #163509/149889

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 NFI1/NFI2/NFI3/NFI4 combined
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%....0.7711.0580.7712.5384.927
5-9%1.450..2.1413.431..2.5389.519
10-25%1.450..4.6281.4500.7713.23311.318
26-50%..0.41001.8451.7440.41001.8456.024
51-75%0.41000.41001.4500.771....2.835
76-100%....1.158....0.41001.450
total3.2330.77113.5168.2202.14110.31838.19
outside perimeter< 1%4.7288.12115.6155.1258.1208.52050.28
1-4%14.41516.61445.8816.81322.31125.211141.15
5-9%23.11221.21248.2814.71416.31427.410150.95
10-25%44.0859.8798.6524.31130.3930.710287.73
26-50%36.7955.9751.9812.31612.31614.915184.04
51-75%30.31045.3825.3122.1414.6274.229111.75
76-100%32.81046.3815.7151.0580.7711.15897.66
total185.92253.21301.1276.4494.63112.131023.21
total< 1%4.7288.12117.4145.1258.5208.52052.48
1-4%14.41516.61446.5817.81323.01127.710146.15
5-9%24.51121.21250.4818.21316.31429.910160.44
10-25%45.4859.87103.3525.71031.0933.99299.03
26-50%36.7956.2753.6814.01512.71616.714190.04
51-75%30.61045.6826.7112.7354.6274.229114.55
76-100%32.81046.3816.7141.0580.7711.45099.06
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163510/149890

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %±
inside perimetercritical......8.23.510.35.77.42.5
less stable55.616.6100.0.37.517.144.26.458.59.249.14.8
stable44.416.6..62.517.147.66.431.18.643.54.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical2.30.72.50.67.01.17.80.95.51.35.20.4
less stable31.52.037.51.946.42.143.41.751.62.941.30.9
stable66.22.160.01.946.62.148.81.742.92.853.50.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.20.62.50.66.91.17.80.95.91.35.20.4
less stable31.92.037.61.946.32.143.51.652.22.741.60.9
stable65.92.059.91.946.82.148.71.741.92.753.10.9
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 #163511/149891

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetercritical......1.7451.1582.835
less stable1.8450.41001.1589.3196.02418.614
stable1.550..1.84510.0183.23316.514
total3.3330.41002.93521.11210.31837.99
outside perimetercritical4.4295.62514.11622.8126.02452.98
less stable60.6784.7593.75127.4456.37422.72
stable127.43135.7394.15143.3446.77547.22
total192.42225.91201.82293.52109.041022.71
totalcritical4.4295.62514.11624.6127.02255.78
less stable62.4685.0594.85136.7462.36441.32
stable128.93135.7395.95153.3450.07563.72
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163512/149892
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