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NFI1

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %±
inside perimetern/a11.110.5....5.02.8..3.71.8
crowded44.516.6100.0.62.517.126.25.648.29.337.24.7
heterogeneous......4.92.83.43.43.71.8
normal, loose33.415.7..25.015.344.26.424.28.036.04.6
open, scattered11.010.4..12.511.79.83.810.35.710.22.9
crowded, clustered normal......9.83.813.86.49.22.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.00.94.20.85.71.04.10.72.30.94.20.4
crowded32.82.037.01.929.51.919.51.437.72.829.80.8
heterogeneous5.31.00.90.46.31.04.50.72.30.94.00.4
normal, loose37.02.147.32.032.12.025.71.520.12.333.30.9
open, scattered18.41.77.91.115.01.527.41.522.72.418.50.7
crowded, clustered normal2.50.72.60.611.41.318.91.315.02.010.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.10.94.20.85.61.04.20.72.10.84.20.4
crowded33.02.037.11.929.91.919.91.338.62.630.00.8
heterogeneous5.21.00.90.46.21.04.50.72.40.84.00.4
normal, loose36.92.147.22.032.02.026.91.520.42.233.40.9
open, scattered18.31.77.91.115.01.526.21.521.72.218.20.7
crowded, clustered normal2.40.72.60.611.31.318.31.314.91.910.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154957/141336

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.4100....1.158..1.450
crowded1.5500.41001.8455.5255.02614.116
heterogeneous......1.0580.41001.450
normal, loose1.158..0.7719.3192.53813.616
open, scattered0.4100..0.41002.1411.1583.930
crowded, clustered normal......2.1411.4503.532
total3.3330.41002.93521.11210.31837.99
outside perimetern/a7.7229.51911.51712.1172.53843.39
crowded63.2683.6559.5757.1741.18304.53
heterogeneous10.2192.14112.61613.1162.53840.59
normal, loose71.26106.8464.9675.4621.912340.23
open, scattered35.4917.91430.31080.4624.811188.84
crowded, clustered normal4.7286.02423.11255.4716.314105.45
total192.42225.91201.82293.52109.041022.71
totaln/a8.0219.51911.51713.2162.53844.79
crowded64.6684.0561.3762.7746.17318.63
heterogeneous10.2192.14112.61614.2152.83541.99
normal, loose72.36106.8465.6684.8624.411353.83
open, scattered35.8917.91430.61082.4625.811192.64
crowded, clustered normal4.7286.02423.11257.4717.713108.95
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154958/141337

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a10.09.5....12.76.9....3.71.8
crowded49.915.835.311.636.410.320.88.333.319.348.29.337.14.6
heterogeneous..11.87.8....16.715.23.43.43.81.8
normal, loose30.014.541.211.945.510.637.49.950.020.424.28.036.14.6
open, scattered10.19.65.95.74.54.420.88.3..10.35.710.12.9
crowded, clustered normal..5.95.713.67.38.35.6..13.86.49.22.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.10.66.31.14.81.23.61.23.31.02.30.94.20.4
crowded35.11.423.31.934.82.715.32.318.92.137.72.829.70.8
heterogeneous2.90.56.81.11.90.85.61.55.41.22.30.94.00.4
normal, loose42.61.429.92.034.22.722.52.624.32.420.12.333.30.9
open, scattered12.71.020.21.813.51.936.23.024.42.422.72.418.50.7
crowded, clustered normal2.60.513.51.510.91.816.92.423.72.315.02.010.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.20.66.11.04.41.14.41.33.21.02.10.84.20.4
crowded35.21.423.71.934.92.615.82.219.12.138.62.630.00.8
heterogeneous2.90.57.01.11.80.75.11.35.61.32.40.83.90.4
normal, loose42.51.430.32.034.92.623.82.624.82.320.42.233.40.9
open, scattered12.61.019.71.712.91.834.82.923.92.321.72.218.20.7
crowded, clustered normal2.50.513.31.511.11.716.12.223.32.314.91.910.30.5
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, 04.11.2014 #154959/141338

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.4100....1.058....1.450
crowded1.8452.2412.8351.7440.7715.02614.116
heterogeneous..0.771....0.41000.41001.450
normal, loose1.1582.5383.4313.1331.1582.53813.716
open, scattered0.41000.41000.31001.744..1.1583.830
crowded, clustered normal..0.41001.0580.771..1.4503.532
total3.6326.1247.6218.2202.14110.31837.99
outside perimetern/a17.21411.5175.2253.1333.9302.53843.49
crowded147.0442.9838.0813.01522.11241.18304.13
heterogeneous12.21712.6162.1414.8266.3232.53840.59
normal, loose178.5455.2737.3819.21228.41021.912340.43
open, scattered53.0837.1914.71530.9928.51024.811188.94
crowded, clustered normal10.71824.91111.91714.41527.71016.314106.05
total418.51184.32109.1385.44116.93109.041023.21
totaln/a17.51411.5175.2254.2293.9302.53844.89
crowded148.8445.1840.7814.81422.81246.17318.23
heterogeneous12.21713.3162.1414.8266.7222.83541.99
normal, loose179.5357.7740.7822.31129.51024.411354.13
open, scattered53.3837.5915.01532.6928.51025.811192.84
crowded, clustered normal10.71825.21112.91615.11427.71017.713109.55
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154960/141339

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure %± %± %±
Western Juran/a12.411.73.20.93.40.9
crowded37.317.129.62.329.72.2
heterogeneous..6.91.36.71.2
normal, loose37.317.136.22.436.22.4
open, scattered12.912.021.02.020.92.0
crowded, clustered normal..3.20.93.10.9
total100.0.100.0.100.0.
Eastern Juran/a..6.82.36.72.3
crowded100.0.44.04.644.54.6
heterogeneous......
normal, loose..39.94.539.54.5
open, scattered..9.32.79.32.7
crowded, clustered normal......
total100.0.100.0.100.0.
Western Plateaun/a..4.21.94.21.9
crowded..37.54.537.54.5
heterogeneous..0.90.90.90.9
normal, loose..36.64.536.64.5
open, scattered..17.43.517.43.5
crowded, clustered normal..3.51.73.51.7
total..100.0.100.0.
Central Plateaun/a..4.71.54.71.5
crowded100.0.39.03.339.33.3
heterogeneous..0.90.60.90.6
normal, loose..45.33.345.13.3
open, scattered..7.31.87.31.8
crowded, clustered normal..2.71.12.71.1
total100.0.100.0.100.0.
Eastern Plateaun/a..3.91.13.91.1
crowded..35.42.735.42.7
heterogeneous..1.00.61.00.6
normal, loose..52.62.852.62.8
open, scattered..4.91.24.91.2
crowded, clustered normal..2.30.92.30.9
total..100.0.100.0.
Western Pre-Alpsn/a..10.83.010.72.9
crowded..29.14.328.84.3
heterogeneous..0.90.90.90.9
normal, loose100.0.24.64.125.34.1
open, scattered..20.03.819.93.8
crowded, clustered normal..14.53.414.43.3
total100.0.100.0.100.0.
Central Pre-Alpsn/a..4.61.34.61.3
crowded75.021.724.22.725.02.7
heterogeneous..11.22.011.01.9
normal, loose..30.02.829.52.8
open, scattered25.021.716.52.316.72.3
crowded, clustered normal..13.52.113.32.1
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..4.21.54.11.4
crowded66.727.336.83.537.33.5
heterogeneous..2.61.22.61.1
normal, loose33.327.339.53.539.43.5
open, scattered..10.02.29.82.1
crowded, clustered normal..6.81.86.71.8
total100.0.100.0.100.0.
Northwestern Alpsn/a..5.72.05.21.8
crowded25.012.517.03.217.63.1
heterogeneous16.710.83.51.64.61.7
normal, loose50.014.534.14.035.33.9
open, scattered..27.03.724.93.5
crowded, clustered normal8.38.012.82.812.42.7
total100.0.100.0.100.0.
Central Alpsn/a..7.43.66.23.0
crowded30.014.633.56.532.95.9
heterogeneous..1.81.81.61.6
normal, loose40.015.624.05.826.55.5
open, scattered10.09.514.94.914.14.4
crowded, clustered normal20.012.718.45.318.74.9
total100.0.100.0.100.0.
Northeastern Alpsn/a..4.22.43.72.1
crowded33.315.831.05.531.35.2
heterogeneous......
normal, loose55.616.628.25.431.35.2
open, scattered..21.14.918.84.4
crowded, clustered normal11.110.515.54.315.04.0
total100.0.100.0.100.0.
Southwestern Alpsn/a12.76.93.61.24.41.3
crowded20.88.315.32.315.82.2
heterogeneous..5.61.55.11.3
normal, loose37.49.922.52.623.82.6
open, scattered20.88.336.23.034.82.9
crowded, clustered normal8.35.616.92.416.12.2
total100.0.100.0.100.0.
Southeastern Alpsn/a..3.31.03.21.0
crowded33.319.318.92.119.12.1
heterogeneous16.715.25.41.25.61.3
normal, loose50.020.424.32.424.82.3
open, scattered..24.42.423.92.3
crowded, clustered normal..23.72.323.32.3
total100.0.100.0.100.0.
Southern Alpsn/a..2.30.92.10.8
crowded48.29.337.72.838.62.6
heterogeneous3.43.42.30.92.40.8
normal, loose24.28.020.12.320.42.2
open, scattered10.35.722.72.421.72.2
crowded, clustered normal13.86.415.02.014.91.9
total100.0.100.0.100.0.
Switzerlandn/a3.71.84.30.44.20.4
crowded37.14.729.80.830.00.8
heterogeneous3.71.83.90.43.90.4
normal, loose36.14.633.20.933.30.8
open, scattered10.12.918.50.718.20.7
crowded, clustered normal9.22.810.30.610.30.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154961/141340

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.41004.7275.026
crowded1.15843.2844.28
heterogeneous..10.01810.018
normal, loose1.15852.8753.97
open, scattered0.410030.71031.110
crowded, clustered normal..4.7274.727
total2.935146.02148.92
Eastern Juran/a..3.2343.234
crowded0.410020.51120.911
heterogeneous......
normal, loose..18.61218.612
open, scattered..4.4294.429
crowded, clustered normal......
total0.410046.6347.03
Western Plateaun/a..2.0442.044
crowded..17.71317.713
heterogeneous..0.41000.4100
normal, loose..17.31317.313
open, scattered..8.2218.221
crowded, clustered normal..1.6491.649
total..47.2447.24
Central Plateaun/a..3.2313.231
crowded0.310026.7927.09
heterogeneous..0.6710.671
normal, loose..31.0831.08
open, scattered..5.0245.024
crowded, clustered normal..1.9401.940
total0.310068.4268.72
Eastern Plateaun/a..4.3284.328
crowded..39.0839.08
heterogeneous..1.1581.158
normal, loose..57.9657.96
open, scattered..5.4255.425
crowded, clustered normal..2.5372.537
total..110.12110.12
Western Pre-Alpsn/a..4.4284.428
crowded..11.81611.816
heterogeneous..0.41000.4100
normal, loose0.410010.01710.417
open, scattered..8.2198.219
crowded, clustered normal..5.9245.924
total0.410040.7441.14
Central Pre-Alpsn/a..4.3294.329
crowded1.15822.61123.711
heterogeneous..10.41810.418
normal, loose..28.01028.010
open, scattered0.410015.41415.814
crowded, clustered normal..12.51612.516
total1.45093.2394.72
Eastern Pre-Alpsn/a..2.9352.935
crowded0.77125.01025.710
heterogeneous..1.8441.844
normal, loose0.410026.8927.19
open, scattered..6.8226.822
crowded, clustered normal..4.6274.627
total1.15767.9368.93
Northwestern Alpsn/a..2.9352.935
crowded1.1578.6199.618
heterogeneous0.7711.8442.537
normal, loose2.14017.21319.312
open, scattered..13.61513.615
crowded, clustered normal0.41006.4236.822
total4.32850.4554.74
Central Alpsn/a..1.4491.449
crowded1.0576.2227.320
heterogeneous..0.31000.3100
normal, loose1.4494.5265.822
open, scattered0.31002.8343.132
crowded, clustered normal0.7703.4304.127
total3.43018.61022.18
Northeastern Alpsn/a..1.1571.157
crowded1.1577.9199.018
heterogeneous......
normal, loose1.8447.2219.018
open, scattered..5.4245.424
crowded, clustered normal0.41003.9294.327
total3.23225.4828.76
Southwestern Alpsn/a1.0583.1334.229
crowded1.74413.01514.814
heterogeneous..4.8264.826
normal, loose3.13319.21222.311
open, scattered1.74430.9932.69
crowded, clustered normal0.77114.41515.114
total8.22085.4493.73
Southeastern Alpsn/a..3.9303.930
crowded0.77122.11222.812
heterogeneous0.41006.3236.722
normal, loose1.15828.41029.510
open, scattered..28.51028.510
crowded, clustered normal..27.71027.710
total2.141116.93119.03
Southern Alpsn/a..2.5382.538
crowded5.02641.1846.17
heterogeneous0.41002.5382.835
normal, loose2.53821.91224.411
open, scattered1.15824.81125.811
crowded, clustered normal1.45016.31417.713
total10.318109.04119.33
Switzerlandn/a1.45043.7945.19
crowded14.116305.33319.43
heterogeneous1.45040.4941.89
normal, loose13.716340.63354.33
open, scattered3.830189.94193.74
crowded, clustered normal3.532106.05109.55
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154962/141341

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a11.110.5....12.76.9....3.71.8
single-layered33.315.7..47.48.120.88.350.020.462.19.043.74.8
multi-layered55.616.6100.0.39.57.933.29.633.319.324.17.936.14.6
stratified....10.55.033.29.616.715.213.86.415.63.5
clustered structure....2.62.6......0.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.50.84.50.85.90.83.21.23.01.02.20.84.20.4
single-layered30.02.044.31.934.91.625.12.934.42.945.52.836.70.9
multi-layered57.02.248.01.940.11.744.83.336.62.937.72.744.90.9
stratified8.71.23.20.712.01.120.22.719.42.410.21.710.30.6
clustered structure0.80.4..7.10.96.71.76.71.54.41.23.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.60.84.50.85.60.84.11.32.91.02.00.84.20.4
single-layered30.12.044.11.935.41.624.72.734.72.946.92.737.00.9
multi-layered56.92.248.21.940.11.643.73.236.52.936.52.644.60.9
stratified8.61.23.20.712.01.121.42.619.32.410.51.710.50.6
clustered structure0.80.4..6.90.86.11.56.51.54.11.13.70.3
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, 04.11.2014 #154963/141342

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-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....1.058....1.450
single-layered1.158..6.4231.7441.1586.42316.714
multi-layered1.8450.7715.3262.7350.7712.53813.816
stratified....1.4502.7350.41001.4505.924
clustered structure....0.4100......0.4100
total3.2330.77113.5168.2202.14110.31838.19
outside perimetern/a6.52311.31717.8142.4382.8352.53843.39
single-layered55.87112.14105.1519.21232.5951.07375.73
multi-layered105.94121.64120.7534.2834.6942.28459.32
stratified16.2148.12136.2915.41418.31311.417105.76
clustered structure1.450..21.3135.2256.3235.02639.29
total185.92253.21301.1276.4494.63112.131023.21
totaln/a6.92311.31717.8143.5312.8352.53844.79
single-layered56.97112.14111.5520.91233.6957.47392.32
multi-layered107.74122.34126.1437.0835.3944.78473.12
stratified16.2148.12137.6918.11318.71312.816111.75
clustered structure1.450..21.6125.2256.3235.02639.59
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154964/141343

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure %± %± %±
AGn/a..6.62.36.62.3
single-layered..46.34.646.34.6
multi-layered..45.54.545.54.5
stratified..1.71.21.71.2
clustered structure......
total..100.0.100.0.
AIn/a..6.76.66.76.6
single-layered..86.78.686.78.6
multi-layered..6.76.66.76.6
stratified......
clustered structure......
total..100.0.100.0.
ARn/a......
single-layered..84.07.184.07.1
multi-layered..12.06.612.06.6
stratified......
clustered structure..4.04.04.04.0
total..100.0.100.0.
BEn/a..5.01.04.91.0
single-layered24.910.834.92.234.62.2
multi-layered56.412.442.82.343.22.3
stratified12.48.214.01.613.91.6
clustered structure6.26.03.30.83.40.8
total100.0.100.0.100.0.
BL/BSn/a..8.74.28.54.1
single-layered100.0.21.86.123.56.2
multi-layered..69.46.968.06.9
stratified......
clustered structure......
total100.0.100.0.100.0.
FRn/a..9.92.89.92.8
single-layered..39.14.739.14.7
multi-layered..42.84.742.84.7
stratified..3.61.83.61.8
clustered structure..4.52.04.52.0
total..100.0.100.0.
GEn/a......
single-layered..21.019.921.019.9
multi-layered..79.019.979.019.9
stratified......
clustered structure......
total..100.0.100.0.
GLn/a..5.94.14.93.4
single-layered71.417.244.18.648.87.8
multi-layered28.617.232.48.131.77.3
stratified..2.92.92.42.4
clustered structure..14.76.112.25.2
total100.0.100.0.100.0.
GRn/a..3.30.93.20.9
single-layered53.512.936.72.437.32.4
multi-layered26.611.433.62.433.32.3
stratified19.910.317.31.917.41.9
clustered structure..9.11.58.81.4
total100.0.100.0.100.0.
JUn/a33.327.41.21.22.31.6
single-layered..42.95.441.45.3
multi-layered66.727.351.15.551.75.4
stratified..4.82.34.62.3
clustered structure......
total100.0.100.0.100.0.
LUn/a..4.31.94.31.9
single-layered..41.54.441.54.4
multi-layered..45.54.545.54.5
stratified..8.02.48.02.4
clustered structure..0.80.80.80.8
total..100.0.100.0.
NEn/a..6.42.86.42.8
single-layered..15.23.915.23.9
multi-layered..53.85.453.85.4
stratified..22.24.522.24.5
clustered structure..2.31.62.31.6
total..100.0.100.0.
NWn/a......
single-layered100.0.31.311.835.311.8
multi-layered..37.512.335.311.8
stratified..12.58.411.88.0
clustered structure..18.810.017.69.4
total100.0.100.0.100.0.
OWn/a..8.03.97.73.7
single-layered100.0.34.86.837.36.8
multi-layered..28.66.527.56.3
stratified..24.56.223.66.0
clustered structure..4.12.93.92.7
total100.0.100.0.100.0.
SGn/a..3.81.73.71.6
single-layered..38.34.237.24.1
multi-layered75.021.744.34.345.24.3
stratified25.021.79.82.610.22.6
clustered structure..3.81.73.71.6
total100.0.100.0.100.0.
SHn/a..5.63.95.63.9
single-layered..38.98.238.98.2
multi-layered..55.68.355.68.3
stratified......
clustered structure......
total..100.0.100.0.
SOn/a..1.21.21.21.2
single-layered50.035.538.35.438.65.3
multi-layered50.035.558.05.557.85.4
stratified..2.51.72.41.7
clustered structure......
total100.0.100.0.100.0.
SZn/a..4.42.54.22.4
single-layered33.327.436.85.936.65.7
multi-layered66.727.348.56.149.35.9
stratified..4.42.54.22.4
clustered structure..5.92.95.62.8
total100.0.100.0.100.0.
TGn/a..4.32.44.32.4
single-layered..34.25.734.25.7
multi-layered..60.25.960.25.9
stratified..1.41.41.41.4
clustered structure......
total..100.0.100.0.
TIn/a..2.00.91.90.8
single-layered65.010.740.83.142.63.0
multi-layered25.09.743.43.242.13.0
stratified10.06.710.11.910.11.8
clustered structure..3.61.23.41.1
total100.0.100.0.100.0.
URn/a..5.63.94.63.2
single-layered75.015.326.27.535.27.3
multi-layered12.511.856.98.448.77.7
stratified12.511.82.82.84.63.2
clustered structure..8.54.76.93.9
total100.0.100.0.100.0.
VDn/a..4.11.34.01.3
single-layered..32.73.032.53.0
multi-layered100.0.53.73.254.13.2
stratified..7.81.77.71.7
clustered structure..1.60.81.60.8
total100.0.100.0.100.0.
VSn/a12.76.93.61.24.41.3
single-layered20.88.325.32.824.92.6
multi-layered33.29.646.63.245.43.0
stratified33.29.618.12.419.42.4
clustered structure..6.41.65.91.4
total100.0.100.0.100.0.
ZGn/a......
single-layered..23.112.123.112.1
multi-layered..61.513.961.513.9
stratified..15.410.415.410.4
clustered structure......
total..100.0.100.0.
ZHn/a..3.51.53.51.5
single-layered..50.34.250.34.2
multi-layered..44.84.244.84.2
stratified..1.41.01.41.0
clustered structure......
total..100.0.100.0.
Switzerlandn/a3.81.84.30.44.20.4
single-layered43.74.836.70.937.00.9
multi-layered36.24.645.00.944.70.9
stratified15.43.410.20.610.40.5
clustered structure0.90.93.80.43.70.3
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #154965/141344

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure1000 ha± %1000 ha± %1000 ha± %
AGn/a..3.2343.234
single-layered..22.51022.510
multi-layered..22.11022.110
stratified..0.8700.870
clustered structure......
total..48.7248.72
AIn/a..0.31000.3100
single-layered..4.2154.215
multi-layered..0.31000.3100
stratified......
clustered structure......
total..4.8114.811
ARn/a......
single-layered..6.7106.710
multi-layered..1.0551.055
stratified......
clustered structure..0.31000.3100
total..8.058.05
BEn/a..7.9217.921
single-layered1.45054.7756.17
multi-layered3.13367.1670.26
stratified0.77121.91222.612
clustered structure0.31005.1255.525
total5.525156.82162.32
BL/BSn/a..1.6491.649
single-layered0.41004.1294.527
multi-layered..13.01213.012
stratified......
clustered structure......
total0.410018.7719.16
FRn/a..4.1294.129
single-layered..16.11216.112
multi-layered..17.61117.611
stratified..1.5491.549
clustered structure..1.9441.944
total..41.1341.13
GEn/a......
single-layered..0.51000.5100
multi-layered..1.7431.743
stratified......
clustered structure......
total..2.2342.234
GLn/a..0.8700.870
single-layered1.9435.8227.718
multi-layered0.8704.2275.024
stratified..0.41000.4100
clustered structure..1.9431.943
total2.73613.11115.88
GRn/a..4.5274.527
single-layered2.83550.3753.17
multi-layered1.45046.0847.47
stratified1.05823.71124.711
clustered structure..12.51612.516
total5.226137.13142.33
JUn/a0.41000.41000.870
single-layered..14.01314.013
multi-layered0.87016.71117.511
stratified..1.6491.649
clustered structure......
total1.25732.7333.93
LUn/a..1.7451.745
single-layered..16.31116.311
multi-layered..17.91017.910
stratified..3.1313.131
clustered structure..0.31000.3100
total..39.3339.33
NEn/a..1.8451.845
single-layered..4.2264.226
multi-layered..14.71014.710
stratified..6.1216.121
clustered structure..0.6700.670
total..27.4427.44
NWn/a......
single-layered0.41001.9402.336
multi-layered..2.3362.336
stratified..0.8690.869
clustered structure..1.2551.255
total0.41006.1146.513
OWn/a..1.5491.549
single-layered0.7706.4207.119
multi-layered..5.2235.223
stratified..4.5264.526
clustered structure..0.7700.770
total0.77018.3519.04
SGn/a..1.8441.844
single-layered..18.41218.412
multi-layered1.15721.31122.411
stratified0.41004.7275.126
clustered structure..1.8441.844
total1.45048.1549.54
SHn/a..0.7700.770
single-layered..5.0215.021
multi-layered..7.1157.115
stratified......
clustered structure......
total..12.8312.83
SOn/a..0.41000.4100
single-layered0.410011.71412.114
multi-layered0.410017.81018.210
stratified..0.8700.870
clustered structure......
total0.87030.7431.44
SZn/a..1.1571.157
single-layered0.41009.0179.416
multi-layered0.77011.91412.713
stratified..1.1571.157
clustered structure..1.4491.449
total1.15724.6625.75
TGn/a..0.9570.957
single-layered..7.2177.217
multi-layered..12.61112.611
stratified..0.31000.3100
clustered structure......
total..21.0421.04
TIn/a..1.8441.844
single-layered4.72736.2940.88
multi-layered1.84438.5840.38
stratified0.7719.0199.719
clustered structure..3.2333.233
total7.22288.7495.94
URn/a..0.7700.770
single-layered2.0393.1325.024
multi-layered0.31006.6207.019
stratified0.31000.31000.770
clustered structure..1.0571.057
total2.63411.71314.311
VDn/a..3.8313.831
single-layered..30.21030.210
multi-layered0.87149.7750.46
stratified..7.2227.222
clustered structure..1.5501.550
total0.87192.5393.23
VSn/a1.0583.1334.229
single-layered1.74421.61223.311
multi-layered2.73539.8842.57
stratified2.73515.41418.213
clustered structure..5.5255.525
total8.22085.4493.73
ZGn/a......
single-layered..1.3531.353
multi-layered..3.4243.424
stratified..0.9680.968
clustered structure......
total..5.695.69
ZHn/a..1.8441.844
single-layered..25.4925.49
multi-layered..22.61022.610
stratified..0.7700.770
clustered structure......
total..50.4250.42
Switzerlandn/a1.45043.7945.29
single-layered16.714376.83393.52
multi-layered13.916461.32475.22
stratified5.924104.75110.65
clustered structure0.310039.1939.59
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #154966/141345

NFI1

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 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %±
inside perimetern/a11.110.5....5.02.8..3.71.8
single-layered33.415.7..37.517.137.76.262.19.043.64.8
multi-layered55.516.6100.0.62.517.134.46.124.17.936.24.6
stratified......21.35.213.86.415.63.5
clustered structure......1.61.6..0.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.00.94.20.85.71.04.10.72.30.94.20.4
single-layered30.22.045.72.035.42.031.71.645.22.836.70.9
multi-layered56.92.246.82.041.12.140.81.738.22.844.90.9
stratified8.21.23.30.713.41.415.21.210.11.710.30.6
clustered structure0.80.4..4.50.98.10.94.21.13.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.10.94.20.85.61.04.20.72.10.84.20.4
single-layered30.22.045.62.035.42.032.11.546.62.736.90.9
multi-layered56.92.146.92.041.42.140.41.637.02.644.60.9
stratified8.01.23.30.713.21.415.61.210.41.710.50.6
clustered structure0.70.4..4.40.97.70.93.91.13.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154967/141346

NFI1

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 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.4100....1.158..1.450
single-layered1.158..1.1587.9216.42316.514
multi-layered1.8450.41001.8457.3222.53813.716
stratified......4.5281.4505.924
clustered structure......0.3100..0.3100
total3.3330.41002.93521.11210.31837.99
outside perimetern/a7.7229.51911.51712.1172.53843.39
single-layered58.07103.3471.4693.1549.37375.03
multi-layered109.54105.8482.95119.8541.78459.72
stratified15.7157.42227.01144.6811.017105.76
clustered structure1.550..9.02023.9124.62739.09
total192.42225.91201.82293.52109.041022.71
totaln/a8.0219.51911.51713.2162.53844.79
single-layered59.17103.3472.56101.0555.67391.62
multi-layered111.34106.1484.75127.1444.18473.42
stratified15.7157.42227.01149.1812.416111.75
clustered structure1.550..9.02024.2124.62739.39
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154968/141347

NFI1

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 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a10.09.5....12.76.9....3.71.8
single-layered30.014.535.311.654.510.620.88.350.020.462.19.043.64.8
multi-layered60.115.547.112.136.410.333.29.633.319.324.17.936.24.6
stratified..11.87.89.16.133.29.616.715.213.86.415.63.5
clustered structure..5.95.7........1.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.10.66.31.14.81.23.61.23.31.02.30.94.20.4
single-layered38.71.432.52.141.82.825.32.831.92.645.22.836.70.9
multi-layered51.41.540.12.242.32.846.63.236.62.638.22.844.90.9
stratified5.50.715.71.65.51.318.12.418.62.110.11.710.40.6
clustered structure0.30.25.51.05.71.36.41.69.61.64.21.13.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.20.66.11.04.41.14.41.33.21.02.10.84.20.4
single-layered38.61.432.62.042.62.724.92.632.22.546.62.737.00.9
multi-layered51.41.540.32.141.92.745.43.036.62.637.02.644.60.9
stratified5.40.715.51.65.71.319.42.418.62.110.41.710.50.6
clustered structure0.30.25.51.05.31.25.91.49.41.63.91.13.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154969/141348

NFI1

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 1983/85
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....1.058....1.450
single-layered1.1582.2414.1281.7441.1586.42316.514
multi-layered2.2412.9352.8352.7350.7712.53813.716
stratified..0.7710.7712.7350.41001.4505.924
clustered structure..0.4100........0.4100
total3.6326.1247.6218.2202.14110.31837.99
outside perimetern/a17.21411.5175.2253.1333.9302.53843.49
single-layered162.0459.9745.6721.61237.3849.37375.63
multi-layered215.0373.9646.1739.8842.8841.78459.22
stratified22.91228.8106.02415.41421.81211.017105.96
clustered structure1.45010.1186.2235.52511.2174.62739.19
total418.51184.32109.1385.44116.93109.041023.21
totaln/a17.51411.5175.2254.2293.9302.53844.89
single-layered163.1462.0749.7723.31138.3855.67392.13
multi-layered217.1376.8648.8742.5743.5844.18473.02
stratified22.91229.6106.72318.21322.11212.416111.95
clustered structure1.45010.5186.2235.52511.2174.62739.49
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154970/141349

NFI1

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 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand structure %± %± %±
Western Juran/a12.411.73.20.93.40.9
single-layered24.915.328.62.228.52.2
multi-layered62.717.156.72.556.82.4
stratified..10.51.510.31.5
clustered structure..1.00.51.00.5
total100.0.100.0.100.0.
Eastern Juran/a..6.82.36.72.3
single-layered100.0.35.64.436.24.4
multi-layered..57.64.657.14.6
stratified......
clustered structure......
total100.0.100.0.100.0.
Western Plateaun/a..4.21.94.21.9
single-layered..41.74.641.74.6
multi-layered..51.44.751.44.7
stratified..2.61.52.61.5
clustered structure......
total..100.0.100.0.
Central Plateaun/a..4.71.54.71.5
single-layered..46.33.446.13.4
multi-layered100.0.44.43.444.73.4
stratified..4.51.44.51.4
clustered structure......
total100.0.100.0.100.0.
Eastern Plateaun/a..3.91.13.91.1
single-layered..46.82.846.82.8
multi-layered..46.82.846.82.8
stratified..2.60.92.60.9
clustered structure......
total..100.0.100.0.
Western Pre-Alpsn/a..10.83.010.72.9
single-layered..36.44.636.14.6
multi-layered100.0.42.84.743.34.7
stratified..4.62.04.52.0
clustered structure..5.52.25.42.2
total100.0.100.0.100.0.
Central Pre-Alpsn/a..4.61.34.61.3
single-layered75.021.729.22.829.92.8
multi-layered25.021.738.83.038.63.0
stratified..22.72.622.32.6
clustered structure..4.61.34.51.3
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..4.21.54.11.4
single-layered..43.23.642.53.5
multi-layered100.0.43.23.644.03.6
stratified..5.81.75.71.7
clustered structure..3.71.43.61.3
total100.0.100.0.100.0.
Northwestern Alpsn/a..5.72.05.21.8
single-layered25.012.535.44.034.63.9
multi-layered50.014.540.54.141.24.0
stratified16.710.811.42.711.82.6
clustered structure8.38.07.12.27.22.1
total100.0.100.0.100.0.
Central Alpsn/a..7.43.66.23.0
single-layered70.014.533.56.539.26.1
multi-layered20.012.751.86.846.86.3
stratified10.09.51.81.83.12.2
clustered structure..5.53.14.72.6
total100.0.100.0.100.0.
Northeastern Alpsn/a..4.22.43.72.1
single-layered55.616.645.15.946.35.6
multi-layered33.315.832.45.632.55.3
stratified11.110.57.03.07.53.0
clustered structure..11.33.810.03.4
total100.0.100.0.100.0.
Southwestern Alpsn/a12.76.93.61.24.41.3
single-layered20.88.325.32.824.92.6
multi-layered33.29.646.63.245.43.0
stratified33.29.618.12.419.42.4
clustered structure..6.41.65.91.4
total100.0.100.0.100.0.
Southeastern Alpsn/a..3.31.03.21.0
single-layered50.020.431.92.632.22.5
multi-layered33.319.336.62.636.62.6
stratified16.715.218.62.118.62.1
clustered structure..9.61.69.41.6
total100.0.100.0.100.0.
Southern Alpsn/a..2.30.92.10.8
single-layered62.19.045.22.846.62.7
multi-layered24.17.938.22.837.02.6
stratified13.86.410.11.710.41.7
clustered structure..4.21.13.91.1
total100.0.100.0.100.0.
Switzerlandn/a3.71.84.30.44.20.4
single-layered43.74.836.70.936.90.9
multi-layered36.14.645.00.944.60.9
stratified15.63.510.30.610.50.5
clustered structure0.90.93.80.43.70.3
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154971/141350

NFI1

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 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand structure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.41004.7275.026
single-layered0.77141.8842.58
multi-layered1.84582.8584.65
stratified..15.41515.415
clustered structure..1.4501.450
total2.935146.02148.92
Eastern Juran/a..3.2343.234
single-layered0.410016.61317.012
multi-layered..26.8826.88
stratified......
clustered structure......
total0.410046.6347.03
Western Plateaun/a..2.0442.044
single-layered..19.71219.712
multi-layered..24.31024.310
stratified..1.2571.257
clustered structure......
total..47.2447.24
Central Plateaun/a..3.2313.231
single-layered..31.7831.78
multi-layered0.310030.4830.78
stratified..3.1313.131
clustered structure......
total0.310068.4268.72
Eastern Plateaun/a..4.3284.328
single-layered..51.5651.56
multi-layered..51.5651.56
stratified..2.9352.935
clustered structure......
total..110.12110.12
Western Pre-Alpsn/a..4.4284.428
single-layered..14.81314.813
multi-layered0.410017.41217.812
stratified..1.9441.944
clustered structure..2.2402.240
total0.410040.7441.14
Central Pre-Alpsn/a..4.3294.329
single-layered1.15827.21028.310
multi-layered0.410036.2836.68
stratified..21.21221.212
clustered structure..4.3284.328
total1.45093.2394.72
Eastern Pre-Alpsn/a..2.9352.935
single-layered..29.3929.39
multi-layered1.15729.3930.49
stratified..3.9293.929
clustered structure..2.5372.537
total1.15767.9368.93
Northwestern Alpsn/a..2.9352.935
single-layered1.15717.91218.912
multi-layered2.14020.41222.511
stratified0.7715.7246.423
clustered structure0.41003.6313.929
total4.32850.4554.74
Central Alpsn/a..1.4491.449
single-layered2.4376.2228.618
multi-layered0.7709.71610.316
stratified0.31000.31000.770
clustered structure..1.0571.057
total3.43018.61022.18
Northeastern Alpsn/a..1.1571.157
single-layered1.84411.51513.314
multi-layered1.1578.2199.317
stratified0.41001.8442.140
clustered structure..2.9342.934
total3.23225.4828.76
Southwestern Alpsn/a1.0583.1334.229
single-layered1.74421.61223.311
multi-layered2.73539.8842.57
stratified2.73515.41418.213
clustered structure..5.5255.525
total8.22085.4493.73
Southeastern Alpsn/a..3.9303.930
single-layered1.15837.3838.38
multi-layered0.77142.8843.58
stratified0.410021.81222.112
clustered structure..11.21711.217
total2.141116.93119.03
Southern Alpsn/a..2.5382.538
single-layered6.42349.3755.67
multi-layered2.53841.7844.18
stratified1.45011.01712.416
clustered structure..4.6274.627
total10.318109.04119.33
Switzerlandn/a1.45043.7945.19
single-layered16.614376.23392.82
multi-layered13.716461.22474.92
stratified5.924105.55111.55
clustered structure0.410039.3939.69
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #154972/141351

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha1.1580.41001.0584.1290.7716.42313.716
20-39 m2/ha1.4503.2332.1412.7350.7713.23313.416
40-59 m2/ha1.1582.2413.4311.0580.7710.41008.820
from 60 m2/ha..0.41001.0580.3100..0.41002.141
total3.6326.1247.6218.2202.14110.31837.99
outside perimeterto 19 m2/ha112.0549.0829.01030.9938.2852.07311.13
20-39 m2/ha196.7374.3640.7837.0851.7742.18442.52
40-59 m2/ha97.3546.2826.31015.11421.41212.017218.34
from 60 m2/ha12.51714.81513.1152.4385.6252.83551.38
total418.51184.32109.1385.44116.93109.041023.21
totalto 19 m2/ha113.0549.4830.01035.0938.9858.46324.83
20-39 m2/ha198.2377.5642.8839.8852.4745.38455.92
40-59 m2/ha98.4548.3829.71016.11422.11212.416227.14
from 60 m2/ha12.51715.11514.1152.8355.6253.23353.48
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155019/141398

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionbasal area (standing live trees) %± %± %±
Western Jurato 19 m2/ha12.411.726.72.226.42.2
20-39 m2/ha49.817.753.82.553.72.4
40-59 m2/ha37.817.217.61.918.01.9
from 60 m2/ha..2.00.71.90.7
total100.0.100.0.100.0.
Eastern Jurato 19 m2/ha100.0.31.44.332.04.3
20-39 m2/ha..45.84.645.44.6
40-59 m2/ha..21.13.820.93.7
from 60 m2/ha..1.71.21.71.2
total100.0.100.0.100.0.
Western Plateauto 19 m2/ha..24.24.024.24.0
20-39 m2/ha..32.34.432.34.4
40-59 m2/ha..36.54.536.54.5
from 60 m2/ha..7.02.47.02.4
total..100.0.100.0.
Central Plateauto 19 m2/ha100.0.20.92.821.32.8
20-39 m2/ha..48.23.448.03.4
40-59 m2/ha..27.63.027.53.0
from 60 m2/ha..3.21.23.21.2
total100.0.100.0.100.0.
Eastern Plateauto 19 m2/ha..30.22.630.22.6
20-39 m2/ha..43.22.843.22.8
40-59 m2/ha..23.42.423.42.4
from 60 m2/ha..3.21.03.21.0
total..100.0.100.0.
Western Pre-Alpsto 19 m2/ha..30.04.429.74.4
20-39 m2/ha100.0.39.94.740.54.7
40-59 m2/ha..18.23.718.03.7
from 60 m2/ha..11.83.111.73.1
total100.0.100.0.100.0.
Central Pre-Alpsto 19 m2/ha..20.02.519.72.5
20-39 m2/ha25.021.743.53.143.23.1
40-59 m2/ha75.021.729.62.830.32.8
from 60 m2/ha..6.91.66.81.6
total100.0.100.0.100.0.
Eastern Pre-Alpsto 19 m2/ha..22.13.021.83.0
20-39 m2/ha..36.83.536.33.5
40-59 m2/ha100.0.27.93.329.03.3
from 60 m2/ha..13.22.513.02.4
total100.0.100.0.100.0.
Northwestern Alpsto 19 m2/ha8.38.036.14.134.03.8
20-39 m2/ha58.314.334.84.036.63.9
40-59 m2/ha25.012.522.03.522.23.4
from 60 m2/ha8.38.07.12.27.22.1
total100.0.100.0.100.0.
Central Alpsto 19 m2/ha..33.56.528.35.7
20-39 m2/ha30.014.638.76.637.46.1
40-59 m2/ha50.015.918.65.323.55.3
from 60 m2/ha20.012.79.23.910.93.9
total100.0.100.0.100.0.
Northeastern Alpsto 19 m2/ha33.315.832.45.632.55.3
20-39 m2/ha33.315.838.05.837.55.4
40-59 m2/ha22.213.918.34.618.84.4
from 60 m2/ha11.110.511.33.811.23.5
total100.0.100.0.100.0.
Southwestern Alpsto 19 m2/ha50.110.236.23.037.42.9
20-39 m2/ha33.29.643.33.142.43.0
40-59 m2/ha12.56.717.72.417.22.3
from 60 m2/ha4.24.12.81.12.91.0
total100.0.100.0.100.0.
Southeastern Alpsto 19 m2/ha33.319.332.72.632.72.5
20-39 m2/ha33.319.344.22.744.02.7
40-59 m2/ha33.319.318.32.118.62.1
from 60 m2/ha..4.81.24.71.2
total100.0.100.0.100.0.
Southern Alpsto 19 m2/ha62.09.047.72.849.02.7
20-39 m2/ha31.18.638.62.838.02.6
40-59 m2/ha3.43.411.01.810.41.7
from 60 m2/ha3.43.42.60.92.70.9
total100.0.100.0.100.0.
Switzerlandto 19 m2/ha36.04.630.40.930.60.8
20-39 m2/ha35.24.643.10.942.90.9
40-59 m2/ha23.24.121.40.821.40.7
from 60 m2/ha5.52.25.10.45.10.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155020/141399

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
Western Jurato 19 m2/ha0.410038.9839.38
20-39 m2/ha1.45078.5579.95
40-59 m2/ha1.15825.71126.811
from 60 m2/ha..2.9352.935
total2.935146.02148.92
Eastern Jurato 19 m2/ha0.410014.61415.014
20-39 m2/ha..21.41021.410
40-59 m2/ha..9.8189.818
from 60 m2/ha..0.8700.870
total0.410046.6347.03
Western Plateauto 19 m2/ha..11.41711.417
20-39 m2/ha..15.21415.214
40-59 m2/ha..17.21317.213
from 60 m2/ha..3.3343.334
total..47.2447.24
Central Plateauto 19 m2/ha0.310014.31314.613
20-39 m2/ha..33.0733.07
40-59 m2/ha..18.91118.911
from 60 m2/ha..2.2372.237
total0.310068.4268.72
Eastern Plateauto 19 m2/ha..33.2933.29
20-39 m2/ha..47.5747.57
40-59 m2/ha..25.71025.710
from 60 m2/ha..3.6313.631
total..110.12110.12
Western Pre-Alpsto 19 m2/ha..12.21512.215
20-39 m2/ha0.410016.31316.612
40-59 m2/ha..7.4217.421
from 60 m2/ha..4.8264.826
total0.410040.7441.14
Central Pre-Alpsto 19 m2/ha..18.61318.613
20-39 m2/ha0.410040.5840.98
40-59 m2/ha1.15827.61028.710
from 60 m2/ha..6.5236.523
total1.45093.2394.72
Eastern Pre-Alpsto 19 m2/ha..15.01415.014
20-39 m2/ha..25.01025.010
40-59 m2/ha1.15718.91220.012
from 60 m2/ha..8.9198.919
total1.15767.9368.93
Northwestern Alpsto 19 m2/ha0.410018.21218.612
20-39 m2/ha2.53717.51320.012
40-59 m2/ha1.15711.11712.216
from 60 m2/ha0.41003.6313.929
total4.32850.4554.74
Central Alpsto 19 m2/ha..6.2226.222
20-39 m2/ha1.0577.2208.218
40-59 m2/ha1.7443.5315.224
from 60 m2/ha0.7701.7442.437
total3.43018.61022.18
Northeastern Alpsto 19 m2/ha1.1578.2199.317
20-39 m2/ha1.1579.71710.716
40-59 m2/ha0.7704.7275.425
from 60 m2/ha0.41002.9343.232
total3.23225.4828.76
Southwestern Alpsto 19 m2/ha4.12930.9935.09
20-39 m2/ha2.73537.0839.88
40-59 m2/ha1.05815.11416.114
from 60 m2/ha0.31002.4382.835
total8.22085.4493.73
Southeastern Alpsto 19 m2/ha0.77138.2838.98
20-39 m2/ha0.77151.7752.47
40-59 m2/ha0.77121.41222.112
from 60 m2/ha..5.6255.625
total2.141116.93119.03
Southern Alpsto 19 m2/ha6.42352.0758.46
20-39 m2/ha3.23342.1845.38
40-59 m2/ha0.410012.01712.416
from 60 m2/ha0.41002.8353.233
total10.318109.04119.33
Switzerlandto 19 m2/ha13.716312.23325.93
20-39 m2/ha13.416442.62456.02
40-59 m2/ha8.820219.14227.94
from 60 m2/ha2.14151.9854.08
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155021/141400

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetern/a11.110.5....12.76.9....3.71.8
critical....10.55.04.24.133.319.3..6.52.4
less stable55.616.6100.0.68.47.524.98.833.319.362.19.054.94.8
stable33.315.7..21.16.658.210.133.319.337.99.035.04.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.30.84.30.86.30.85.01.53.41.12.50.94.50.4
critical3.50.87.01.05.70.88.51.98.21.73.81.15.80.4
less stable37.82.146.11.952.21.736.33.246.33.147.22.845.80.9
stable55.42.242.61.835.81.650.23.442.23.046.42.843.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.40.84.30.86.00.85.71.53.31.12.30.84.50.4
critical3.40.87.00.95.90.88.11.78.71.73.51.05.90.4
less stable38.12.146.21.952.91.735.23.046.03.048.52.746.10.9
stable55.02.242.51.835.21.651.03.242.03.045.72.743.60.9
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, 04.11.2014 #155022/141401

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.4100....1.058....1.450
critical....1.4500.31000.771..2.538
less stable1.8450.7719.2192.1410.7716.42320.913
stable1.158..2.8354.8260.7713.93013.316
total3.2330.77113.5168.2202.14110.31838.19
outside perimetern/a6.12411.01818.9133.8303.2332.83545.89
critical6.52317.71417.1146.5227.7214.32959.98
less stable70.26116.74157.2427.71043.8752.97468.52
stable103.04107.95107.9538.3839.9852.07449.02
total185.92253.21301.1276.4494.63112.131023.21
totaln/a6.52311.01818.9134.8263.2332.83547.29
critical6.52317.71418.6146.8228.5204.32962.37
less stable72.06117.44166.4429.8944.5759.36489.52
stable104.14107.95110.7543.1740.6855.97462.32
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155023/141402

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability %± %± %±
AGn/a..5.82.15.82.1
critical..5.02.05.02.0
less stable..48.84.548.84.5
stable..40.54.540.54.5
total..100.0.100.0.
AIn/a..13.39.013.39.0
critical......
less stable..53.313.253.313.2
stable..33.312.533.312.5
total..100.0.100.0.
ARn/a......
critical......
less stable..44.010.144.010.1
stable..56.010.056.010.0
total..100.0.100.0.
BEn/a..5.31.05.11.0
critical6.26.05.21.05.31.0
less stable62.712.148.22.348.72.3
stable31.111.641.32.340.92.3
total100.0.100.0.100.0.
BL/BSn/a..8.74.28.54.1
critical..2.22.22.12.1
less stable100.0.34.97.136.37.1
stable..54.27.453.07.3
total100.0.100.0.100.0.
FRn/a..9.92.89.92.8
critical..7.32.57.32.5
less stable..37.34.637.34.6
stable..45.54.745.54.7
total..100.0.100.0.
GEn/a......
critical......
less stable..62.922.362.922.3
stable..37.122.337.122.3
total..100.0.100.0.
GLn/a..5.94.14.93.4
critical42.918.95.94.112.25.2
less stable57.118.852.98.653.77.8
stable..35.38.329.37.2
total100.0.100.0.100.0.
GRn/a..3.81.03.70.9
critical13.38.88.11.48.31.4
less stable66.812.248.42.549.02.5
stable19.910.339.72.539.02.4
total100.0.100.0.100.0.
JUn/a33.327.41.21.22.31.6
critical..1.21.21.21.2
less stable33.327.429.85.029.94.9
stable33.327.467.85.166.65.1
total100.0.100.0.100.0.
LUn/a..2.71.52.71.5
critical..3.21.63.21.6
less stable..61.44.461.44.4
stable..32.74.232.74.2
total..100.0.100.0.
NEn/a..6.42.86.42.8
critical..1.21.21.21.2
less stable..22.24.522.24.5
stable..70.25.070.25.0
total..100.0.100.0.
NWn/a......
critical......
less stable..56.212.652.912.3
stable100.0.43.812.647.112.3
total100.0.100.0.100.0.
OWn/a..8.03.97.73.7
critical..8.24.07.93.8
less stable100.0.65.46.866.86.5
stable..18.45.617.75.4
total100.0.100.0.100.0.
SGn/a..4.51.84.41.8
critical..9.02.58.82.4
less stable50.025.153.44.353.34.3
stable50.025.133.14.133.64.0
total100.0.100.0.100.0.
SHn/a..5.63.95.63.9
critical..5.63.95.63.9
less stable..38.98.238.98.2
stable..50.08.450.08.4
total..100.0.100.0.
SOn/a..1.21.21.21.2
critical..3.72.13.62.1
less stable100.0.66.75.367.55.2
stable..28.45.027.74.9
total100.0.100.0.100.0.
SZn/a..4.42.54.22.4
critical..4.42.54.22.4
less stable66.727.350.06.150.75.9
stable33.327.441.26.040.85.8
total100.0.100.0.100.0.
TGn/a..4.32.44.32.4
critical..7.13.17.13.1
less stable..39.85.939.85.9
stable..48.86.048.86.0
total..100.0.100.0.
TIn/a..2.41.02.20.9
critical..2.81.12.61.0
less stable50.011.243.83.244.33.0
stable50.011.250.93.250.83.1
total100.0.100.0.100.0.
URn/a..5.63.94.63.2
critical..8.94.97.24.0
less stable100.0.62.98.269.77.1
stable..22.67.118.45.9
total100.0.100.0.100.0.
VDn/a..4.11.34.01.3
critical..7.01.66.91.6
less stable50.035.441.83.241.93.2
stable50.035.447.13.247.23.2
total100.0.100.0.100.0.
VSn/a12.76.94.81.45.51.4
critical4.24.17.61.77.31.6
less stable24.98.836.53.135.52.9
stable58.210.151.03.251.63.0
total100.0.100.0.100.0.
ZGn/a......
critical..15.410.415.410.4
less stable..38.513.938.513.9
stable..46.214.346.214.3
total..100.0.100.0.
ZHn/a..4.21.74.21.7
critical..9.12.49.12.4
less stable..44.14.244.14.2
stable..42.74.142.74.1
total..100.0.100.0.
Switzerlandn/a3.81.84.50.44.50.4
critical6.62.45.90.45.90.4
less stable54.64.845.80.946.10.9
stable35.04.643.90.943.50.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155024/141403

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGn/a..2.8372.837
critical..2.4402.440
less stable..23.71023.710
stable..19.71119.711
total..48.7248.72
AIn/a..0.6690.669
critical......
less stable..2.6272.627
stable..1.6391.639
total..4.8114.811
ARn/a......
critical......
less stable..3.5233.523
stable..4.5184.518
total..8.058.05
BEn/a..8.3208.320
critical0.31008.2208.520
less stable3.43175.6579.15
stable1.74564.7666.46
total5.525156.82162.32
BL/BSn/a..1.6491.649
critical..0.41000.4100
less stable0.41006.5216.920
stable..10.11510.115
total0.410018.7719.16
FRn/a..4.1294.129
critical..3.0343.034
less stable..15.31315.313
stable..18.71118.711
total..41.1341.13
GEn/a......
critical......
less stable..1.4481.448
stable..0.8710.871
total..2.2342.234
GLn/a..0.8700.870
critical1.2570.8701.943
less stable1.5496.9198.517
stable..4.6264.626
total2.73613.11115.88
GRn/a..5.2255.225
critical0.77111.21711.917
less stable3.53166.3669.86
stable1.05854.4755.47
total5.226137.13142.33
JUn/a0.41000.41000.870
critical..0.41000.4100
less stable0.41009.71710.117
stable0.410022.2822.68
total1.25732.7333.93
LUn/a..1.1581.158
critical..1.3491.349
less stable..24.2824.28
stable..12.91312.913
total..39.3339.33
NEn/a..1.8451.845
critical..0.31000.3100
less stable..6.1216.121
stable..19.2819.28
total..27.4427.44
NWn/a......
critical......
less stable..3.5263.526
stable0.41002.7323.129
total0.41006.1146.513
OWn/a..1.5491.549
critical..1.5491.549
less stable0.77012.01112.710
stable..3.4313.431
total0.77018.3519.04
SGn/a..2.2402.240
critical..4.3284.328
less stable0.77025.7926.49
stable0.77015.91316.613
total1.45048.1549.54
SHn/a..0.7700.770
critical..0.7700.770
less stable..5.0215.021
stable..6.4176.417
total..12.8312.83
SOn/a..0.41000.4100
critical..1.1581.158
less stable0.87020.4921.28
stable..8.7188.718
total0.87030.7431.44
SZn/a..1.1571.157
critical..1.1571.157
less stable0.77012.31313.013
stable0.410010.11510.515
total1.15724.6625.75
TGn/a..0.9570.957
critical..1.5431.543
less stable..8.4158.415
stable..10.21310.213
total..21.0421.04
TIn/a..2.1412.141
critical..2.5372.537
less stable3.63138.9842.58
stable3.63145.2748.87
total7.22288.7495.94
URn/a..0.7700.770
critical..1.0581.058
less stable2.6347.41910.015
stable..2.6342.634
total2.63411.71314.311
VDn/a..3.8313.831
critical..6.4246.424
less stable0.410038.7839.08
stable0.410043.6744.07
total0.87192.5393.23
VSn/a1.0584.1295.225
critical0.31006.5226.922
less stable2.14131.2933.39
stable4.82643.6748.47
total8.22085.4493.73
ZGn/a......
critical..0.9680.968
less stable..2.1372.137
stable..2.6322.632
total..5.695.69
ZHn/a..2.1402.140
critical..4.6274.627
less stable..22.21022.210
stable..21.51021.510
total..50.4250.42
Switzerlandn/a1.45046.2947.69
critical2.53760.1862.67
less stable20.913469.62490.52
stable13.416449.92463.32
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155025/141404

NFI1

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 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %±
inside perimetern/a11.110.5....5.02.8..3.71.8
critical......11.54.1..6.42.3
less stable55.516.6100.0.75.015.347.56.462.19.054.74.8
stable33.415.7..25.015.336.06.137.99.035.14.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.80.84.10.86.11.04.80.72.60.94.50.4
critical2.80.77.51.05.20.97.80.93.61.15.80.4
less stable38.72.146.02.051.62.145.51.747.72.845.80.9
stable54.72.242.52.037.12.041.81.746.22.843.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.90.84.10.86.01.04.90.72.40.84.40.4
critical2.80.77.51.05.10.98.10.93.31.05.80.4
less stable39.02.146.12.051.92.145.61.748.92.746.10.9
stable54.32.242.41.937.02.041.51.645.52.743.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155026/141405
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