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NFI2

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %±
inside perimetern/a38.513.5..68.67.970.33.591.44.771.32.8
0%23.111.7..2.92.86.91.9..6.21.5
1-50%15.410.0..14.35.95.71.8..6.61.6
over 50%23.011.7..14.35.917.12.88.64.715.92.3
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a45.52.230.61.855.02.267.71.789.11.854.50.9
0%32.52.040.41.919.11.79.91.18.31.623.10.8
1-50%9.61.312.31.37.71.24.10.70.70.57.40.5
over 50%12.41.416.81.518.21.718.21.42.00.815.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a45.32.230.61.855.82.168.21.589.31.755.90.9
0%32.32.040.41.918.11.69.41.07.41.421.70.7
1-50%9.71.312.31.38.11.14.40.70.60.47.30.5
over 50%12.71.416.81.518.01.618.01.32.70.915.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156480/142859

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a1.845..8.62042.5911.41764.47
0%1.158..0.41004.129..5.625
1-50%0.771..1.8453.531..6.024
over 50%1.158..1.84510.4181.15814.315
total4.727..12.61660.5712.41690.36
outside perimetern/a86.9569.26105.64172.1495.24529.02
0%62.1691.4536.8925.3118.919224.33
1-50%18.31427.81114.81510.4180.77171.97
over 50%23.71237.9935.0946.482.141145.15
total190.92226.31192.12254.22106.94970.41
totaln/a88.7569.26114.34214.63106.54593.42
0%63.2691.4537.1929.4108.919229.93
1-50%19.01327.81116.61413.8160.77177.96
over 50%24.81137.9936.8956.773.233159.44
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156481/142860

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %± %±
inside perimetern/a38.413.571.46.056.48.076.15.170.56.991.44.771.32.8
0%23.111.73.62.55.13.55.62.711.44.8..6.21.5
1-50%15.410.010.74.115.45.81.41.44.53.1..6.61.5
over 50%23.211.714.34.723.16.816.94.413.65.28.64.715.82.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a37.31.456.12.358.52.978.72.965.12.889.11.854.50.9
0%36.81.419.91.812.71.97.91.99.21.78.31.623.10.8
1-50%11.10.97.61.25.01.34.01.44.11.20.70.57.40.5
over 50%14.81.016.31.723.82.59.42.121.72.42.00.815.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a37.31.457.82.258.22.778.02.565.82.689.31.755.90.9
0%36.71.418.21.711.91.87.31.69.41.67.41.421.70.7
1-50%11.10.98.01.26.21.33.31.14.11.10.60.47.30.5
over 50%14.91.016.11.623.72.311.31.920.62.22.70.915.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156482/142861

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a1.84514.4157.62118.51310.91711.41764.67
0%1.1580.7710.7711.4501.845..5.625
1-50%0.7712.2412.1410.31000.771..6.024
over 50%1.1582.9353.1334.1282.1411.15814.315
total4.72820.21313.41524.41115.51412.41690.56
outside perimetern/a155.6495.6560.4654.6667.4695.24528.72
0%153.8433.91013.1165.5259.5198.919224.63
1-50%46.1813.0165.2252.7354.2290.77172.07
over 50%61.9727.81124.5116.52222.5122.141145.35
total417.41170.22103.2369.35103.63106.94970.61
totaln/a157.44110.0467.9573.1578.35106.54593.32
0%154.9434.6913.8156.92211.2178.919230.33
1-50%46.9815.1157.2213.1334.9260.77178.06
over 50%63.0730.71027.71010.61724.6113.233159.64
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156483/142862

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionpercentage of salvage logging %± %± %±
Western Juran/a38.313.547.62.547.32.4
0%23.011.728.92.328.72.2
1-50%15.310.09.91.510.11.5
over 50%23.311.813.61.713.91.7
total100.0.100.0.100.0.
Eastern Juran/a..38.64.538.64.5
0%..44.64.644.64.6
1-50%..8.42.68.42.6
over 50%..8.42.68.42.6
total..100.0.100.0.
Western Plateaun/a..44.64.744.64.7
0%..32.04.432.04.4
1-50%..7.92.57.92.5
over 50%..15.63.415.63.4
total..100.0.100.0.
Central Plateaun/a..30.03.130.03.1
0%..46.93.346.93.3
1-50%..10.02.010.02.0
over 50%..13.12.313.12.3
total..100.0.100.0.
Eastern Plateaun/a..26.02.526.02.5
0%..38.62.838.62.8
1-50%..15.62.115.62.1
over 50%..19.82.319.82.3
total..100.0.100.0.
Western Pre-Alpsn/a87.411.865.14.766.74.5
0%..10.73.19.92.9
1-50%12.611.810.63.010.83.0
over 50%..13.63.412.63.2
total100.0.100.0.100.0.
Central Pre-Alpsn/a68.410.749.83.251.13.1
0%5.35.124.52.823.12.6
1-50%10.57.17.81.78.01.7
over 50%15.88.418.02.517.82.4
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a50.017.756.23.756.03.6
0%..16.82.816.12.6
1-50%25.015.35.91.76.71.8
over 50%25.015.321.13.021.23.0
total100.0.100.0.100.0.
Northwestern Alpsn/a69.08.661.34.462.73.9
0%3.43.418.63.515.72.9
1-50%10.35.74.81.95.91.9
over 50%17.27.015.33.215.72.9
total100.0.100.0.100.0.
Central Alpsn/a57.113.359.97.059.36.2
0%..10.14.37.93.4
1-50%21.411.06.03.49.33.6
over 50%21.411.024.06.123.55.3
total100.0.100.0.100.0.
Northeastern Alpsn/a58.812.063.56.162.55.4
0%11.87.83.22.25.02.4
1-50%5.95.71.61.62.51.8
over 50%23.510.331.75.930.05.1
total100.0.100.0.100.0.
Southwestern Alpsn/a76.15.178.72.978.02.5
0%5.62.77.91.97.31.6
1-50%1.41.44.01.43.31.1
over 50%16.94.49.42.111.31.9
total100.0.100.0.100.0.
Southeastern Alpsn/a70.56.965.12.865.82.6
0%11.44.89.21.79.41.6
1-50%4.53.14.11.24.11.1
over 50%13.65.221.72.420.62.2
total100.0.100.0.100.0.
Southern Alpsn/a91.44.789.11.889.31.7
0%..8.31.67.41.4
1-50%..0.70.50.60.4
over 50%8.64.72.00.82.70.9
total100.0.100.0.100.0.
Switzerlandn/a71.32.854.60.956.10.9
0%6.21.523.00.821.60.7
1-50%6.61.67.40.57.30.5
over 50%15.92.315.00.715.10.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156484/142863

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.84568.6670.46
0%1.15841.7842.88
1-50%0.77114.31515.015
over 50%1.15819.71320.712
total4.627144.22148.92
Eastern Juran/a..18.11218.112
0%..21.01121.011
1-50%..4.0304.030
over 50%..4.0304.030
total..47.0347.03
Western Plateaun/a..21.01121.011
0%..15.11415.114
1-50%..3.7323.732
over 50%..7.4227.422
total..47.2447.24
Central Plateaun/a..20.61120.611
0%..32.2732.27
1-50%..6.9206.920
over 50%..9.0179.017
total..68.7268.72
Eastern Plateaun/a..28.61028.610
0%..42.5742.57
1-50%..17.21317.213
over 50%..21.81221.812
total..110.12110.12
Western Pre-Alpsn/a2.63724.8927.48
0%..4.1294.129
1-50%0.41004.1294.428
over 50%..5.2265.226
total2.93538.1541.14
Central Pre-Alpsn/a4.72743.7748.46
0%0.410021.51221.912
1-50%0.7716.8227.521
over 50%1.15815.81416.813
total6.82287.8394.72
Eastern Pre-Alpsn/a1.45037.1738.67
0%..11.11711.117
1-50%0.7713.9294.627
over 50%0.77113.91514.614
total2.93566.1368.93
Northwestern Alpsn/a7.12127.2934.38
0%0.41008.2208.619
1-50%1.1572.1403.233
over 50%1.8446.8228.619
total10.41744.3654.74
Central Alpsn/a2.73410.31613.113
0%..1.7441.744
1-50%1.0571.0572.140
over 50%1.0574.2285.224
total4.82517.31122.18
Northeastern Alpsn/a3.63014.31317.911
0%0.7700.7701.449
1-50%0.41000.41000.770
over 50%1.4497.2218.618
total6.12222.6928.76
Southwestern Alpsn/a18.51354.6673.15
0%1.4505.5256.922
1-50%0.31002.7353.133
over 50%4.1286.52210.617
total24.41169.3593.73
Southeastern Alpsn/a10.91767.4678.35
0%1.8459.51911.217
1-50%0.7714.2294.926
over 50%2.14122.51224.611
total15.514103.63119.03
Southern Alpsn/a11.41795.24106.54
0%..8.9198.919
1-50%..0.7710.771
over 50%1.1582.1413.233
total12.416106.94119.33
Switzerlandn/a64.77531.62596.32
0%5.625223.73229.33
1-50%6.02472.0778.06
over 50%14.415145.85160.24
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156485/142864

NFI2

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 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha22.213.9..18.46.346.010.2..55.19.233.34.5
20-39 m2/ha55.616.650.035.436.87.833.29.666.719.338.09.039.94.7
40-59 m2/ha22.213.950.035.426.37.116.67.633.319.33.43.418.53.7
from 60 m2/ha....18.46.34.24.1..3.43.48.32.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha21.51.821.41.525.51.537.23.229.42.841.62.826.80.8
20-39 m2/ha53.52.243.71.939.21.739.43.346.03.041.62.843.80.9
40-59 m2/ha21.71.828.11.724.21.520.22.720.52.513.31.922.90.8
from 60 m2/ha3.30.86.80.911.11.13.21.24.11.23.51.06.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha21.51.821.31.525.21.538.13.128.72.742.72.727.00.8
20-39 m2/ha53.52.243.71.939.11.638.83.146.43.041.32.743.70.9
40-59 m2/ha21.71.828.11.724.21.419.82.520.82.512.51.822.70.8
from 60 m2/ha3.20.86.80.911.41.13.31.14.01.23.51.06.60.5
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, 04.11.2014 #156486/142865

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-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/ha0.771..2.5383.830..5.72512.716
20-39 m2/ha1.8450.41005.0272.7351.4503.93015.215
40-59 m2/ha0.7710.41003.5311.4500.7710.41007.022
from 60 m2/ha....2.5380.3100..0.41003.233
total3.2330.77113.5168.2202.14110.31838.19
outside perimeterto 19 m2/ha40.0954.1776.9628.41027.81046.68273.83
20-39 m2/ha99.44110.74118.1530.1943.5746.68448.32
40-59 m2/ha40.4971.1672.7615.41419.41215.015234.03
from 60 m2/ha6.12417.31433.4102.4383.9303.93067.17
total185.92253.21301.1276.4494.63112.131023.21
totalto 19 m2/ha40.7854.1779.4632.2927.81052.37286.53
20-39 m2/ha101.24111.04123.0432.8944.9750.57463.52
40-59 m2/ha41.1871.4676.3616.81320.11215.315241.03
from 60 m2/ha6.12417.31435.9102.8353.9304.32970.37
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156487/142866

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonbasal area (standing live trees) %± %± %±
AGto 19 m2/ha..26.44.026.44.0
20-39 m2/ha..43.84.543.84.5
40-59 m2/ha..26.44.026.44.0
from 60 m2/ha..3.31.63.31.6
total..100.0.100.0.
AIto 19 m2/ha..6.76.66.76.6
20-39 m2/ha..33.312.533.312.5
40-59 m2/ha..40.013.040.013.0
from 60 m2/ha..20.010.620.010.6
total..100.0.100.0.
ARto 19 m2/ha..16.07.516.07.5
20-39 m2/ha..24.08.724.08.7
40-59 m2/ha..36.09.736.09.7
from 60 m2/ha..24.08.724.08.7
total..100.0.100.0.
BEto 19 m2/ha12.48.220.31.920.11.8
20-39 m2/ha62.712.143.72.344.32.3
40-59 m2/ha18.79.728.42.128.02.1
from 60 m2/ha6.26.07.61.27.61.2
total100.0.100.0.100.0.
BL/BSto 19 m2/ha100.0.26.26.527.86.6
20-39 m2/ha..48.07.447.07.3
40-59 m2/ha..19.65.919.25.8
from 60 m2/ha..6.13.56.03.4
total100.0.100.0.100.0.
FRto 19 m2/ha..17.23.617.23.6
20-39 m2/ha..40.04.740.04.7
40-59 m2/ha..31.84.531.84.5
from 60 m2/ha..10.93.010.93.0
total..100.0.100.0.
GEto 19 m2/ha......
20-39 m2/ha..83.814.283.814.2
40-59 m2/ha..16.214.416.214.4
from 60 m2/ha......
total..100.0.100.0.
GLto 19 m2/ha42.918.932.48.134.17.5
20-39 m2/ha14.313.332.48.129.37.2
40-59 m2/ha28.617.217.66.619.56.2
from 60 m2/ha14.313.317.66.617.15.9
total100.0.100.0.100.0.
GRto 19 m2/ha13.38.830.02.329.42.3
20-39 m2/ha73.411.445.32.546.42.5
40-59 m2/ha13.38.819.92.019.62.0
from 60 m2/ha..4.81.14.71.0
total100.0.100.0.100.0.
JUto 19 m2/ha33.327.416.74.117.34.1
20-39 m2/ha33.327.450.15.549.55.4
40-59 m2/ha33.327.426.14.826.44.7
from 60 m2/ha..7.22.86.92.7
total100.0.100.0.100.0.
LUto 19 m2/ha..17.53.417.53.4
20-39 m2/ha..44.84.544.84.5
40-59 m2/ha..23.13.823.13.8
from 60 m2/ha..14.53.214.53.2
total..100.0.100.0.
NEto 19 m2/ha..22.54.622.54.6
20-39 m2/ha..59.95.359.95.3
40-59 m2/ha..16.44.016.44.0
from 60 m2/ha..1.21.21.21.2
total..100.0.100.0.
NWto 19 m2/ha..12.58.411.88.0
20-39 m2/ha100.0.56.212.658.812.1
40-59 m2/ha..25.011.123.510.5
from 60 m2/ha..6.36.25.95.8
total100.0.100.0.100.0.
OWto 19 m2/ha50.035.732.56.733.26.6
20-39 m2/ha..26.66.425.56.1
40-59 m2/ha50.035.730.76.631.46.5
from 60 m2/ha..10.24.49.84.2
total100.0.100.0.100.0.
SGto 19 m2/ha..25.53.824.83.7
20-39 m2/ha50.025.132.44.132.94.0
40-59 m2/ha25.021.725.63.825.63.7
from 60 m2/ha25.021.716.53.216.83.2
total100.0.100.0.100.0.
SHto 19 m2/ha..22.27.022.27.0
20-39 m2/ha..52.88.452.88.4
40-59 m2/ha..22.27.022.27.0
from 60 m2/ha..2.82.82.82.8
total..100.0.100.0.
SOto 19 m2/ha..18.54.318.14.2
20-39 m2/ha100.0.58.05.559.05.4
40-59 m2/ha..21.04.520.54.4
from 60 m2/ha..2.51.72.41.7
total100.0.100.0.100.0.
SZto 19 m2/ha..16.24.515.54.3
20-39 m2/ha33.327.447.06.146.55.9
40-59 m2/ha33.327.433.85.833.85.6
from 60 m2/ha33.327.42.92.14.22.4
total100.0.100.0.100.0.
TGto 19 m2/ha..25.65.225.65.2
20-39 m2/ha..47.06.047.06.0
40-59 m2/ha..23.25.123.25.1
from 60 m2/ha..4.32.44.32.4
total..100.0.100.0.
TIto 19 m2/ha70.010.243.13.145.13.0
20-39 m2/ha20.09.041.93.140.33.0
40-59 m2/ha5.04.912.52.112.02.0
from 60 m2/ha5.04.92.41.02.61.0
total100.0.100.0.100.0.
URto 19 m2/ha12.511.832.28.028.67.0
20-39 m2/ha..42.48.434.57.3
40-59 m2/ha50.017.816.96.323.06.4
from 60 m2/ha37.517.28.54.713.85.3
total100.0.100.0.100.0.
VDto 19 m2/ha..32.33.032.03.0
20-39 m2/ha100.0.42.73.243.13.2
40-59 m2/ha..18.52.518.32.5
from 60 m2/ha..6.51.66.51.6
total100.0.100.0.100.0.
VSto 19 m2/ha46.010.237.03.137.82.9
20-39 m2/ha33.29.638.13.137.72.9
40-59 m2/ha16.67.621.32.620.92.5
from 60 m2/ha4.24.13.61.23.71.1
total100.0.100.0.100.0.
ZGto 19 m2/ha..30.813.230.813.2
20-39 m2/ha..61.513.961.513.9
40-59 m2/ha..7.77.77.77.7
from 60 m2/ha......
total..100.0.100.0.
ZHto 19 m2/ha..21.73.521.73.5
20-39 m2/ha..49.04.249.04.2
40-59 m2/ha..25.23.625.23.6
from 60 m2/ha..4.21.74.21.7
total..100.0.100.0.
Switzerlandto 19 m2/ha33.64.526.80.827.10.8
20-39 m2/ha39.84.743.80.943.70.9
40-59 m2/ha18.43.722.80.822.70.8
from 60 m2/ha8.22.66.50.56.60.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156488/142867

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
AGto 19 m2/ha..12.91512.915
20-39 m2/ha..21.31121.311
40-59 m2/ha..12.91512.915
from 60 m2/ha..1.6491.649
total..48.7248.72
AIto 19 m2/ha..0.31000.3100
20-39 m2/ha..1.6391.639
40-59 m2/ha..1.9341.934
from 60 m2/ha..1.0541.054
total..4.8114.811
ARto 19 m2/ha..1.3471.347
20-39 m2/ha..1.9361.936
40-59 m2/ha..2.9272.927
from 60 m2/ha..1.9361.936
total..8.058.05
BEto 19 m2/ha0.77131.91032.59
20-39 m2/ha3.43168.4671.96
40-59 m2/ha1.05844.5845.58
from 60 m2/ha0.310012.01612.316
total5.525156.82162.32
BL/BSto 19 m2/ha0.41004.9265.324
20-39 m2/ha..9.0179.017
40-59 m2/ha..3.7313.731
from 60 m2/ha..1.1581.158
total0.410018.7719.16
FRto 19 m2/ha..7.1217.121
20-39 m2/ha..16.51216.512
40-59 m2/ha..13.11413.114
from 60 m2/ha..4.5274.527
total..41.1341.13
GEto 19 m2/ha......
20-39 m2/ha..1.8361.836
40-59 m2/ha..0.41000.4100
from 60 m2/ha......
total..2.2342.234
GLto 19 m2/ha1.2574.2275.423
20-39 m2/ha0.41004.2274.626
40-59 m2/ha0.8702.3393.133
from 60 m2/ha0.41002.3392.736
total2.73613.11115.88
GRto 19 m2/ha0.77141.1841.88
20-39 m2/ha3.93062.1666.06
40-59 m2/ha0.77127.21027.910
from 60 m2/ha..6.6236.623
total5.226137.13142.33
JUto 19 m2/ha0.41005.5255.824
20-39 m2/ha0.410016.41116.811
40-59 m2/ha0.41008.5198.918
from 60 m2/ha..2.3402.340
total1.25732.7333.93
LUto 19 m2/ha..6.9206.920
20-39 m2/ha..17.61117.611
40-59 m2/ha..9.1179.117
from 60 m2/ha..5.7225.722
total..39.3339.33
NEto 19 m2/ha..6.2216.221
20-39 m2/ha..16.41016.410
40-59 m2/ha..4.5254.525
from 60 m2/ha..0.31000.3100
total..27.4427.44
NWto 19 m2/ha..0.8690.869
20-39 m2/ha0.41003.5263.824
40-59 m2/ha..1.5461.546
from 60 m2/ha..0.41000.4100
total0.41006.1146.513
OWto 19 m2/ha0.41005.9226.321
20-39 m2/ha..4.9244.924
40-59 m2/ha0.41005.6226.021
from 60 m2/ha..1.9431.943
total0.77018.3519.04
SGto 19 m2/ha..12.31612.316
20-39 m2/ha0.77015.61316.313
40-59 m2/ha0.410012.31612.715
from 60 m2/ha0.41008.0208.320
total1.45048.1549.54
SHto 19 m2/ha..2.8322.832
20-39 m2/ha..6.8166.816
40-59 m2/ha..2.8322.832
from 60 m2/ha..0.41000.4100
total..12.8312.83
SOto 19 m2/ha..5.7245.724
20-39 m2/ha0.87017.81018.59
40-59 m2/ha..6.4226.422
from 60 m2/ha..0.8700.870
total0.87030.7431.44
SZto 19 m2/ha..4.0284.028
20-39 m2/ha0.410011.61411.914
40-59 m2/ha0.41008.3188.718
from 60 m2/ha0.41000.7701.157
total1.15724.6625.75
TGto 19 m2/ha..5.4215.421
20-39 m2/ha..9.9139.913
40-59 m2/ha..4.9234.923
from 60 m2/ha..0.9570.957
total..21.0421.04
TIto 19 m2/ha5.02638.3843.38
20-39 m2/ha1.45037.2838.68
40-59 m2/ha0.410011.11711.517
from 60 m2/ha0.41002.1412.537
total7.22288.7495.94
URto 19 m2/ha0.31003.8294.128
20-39 m2/ha..5.0235.023
40-59 m2/ha1.3492.0393.330
from 60 m2/ha1.0571.0572.039
total2.63411.71314.311
VDto 19 m2/ha..29.91029.910
20-39 m2/ha0.87139.4840.28
40-59 m2/ha..17.11417.114
from 60 m2/ha..6.1246.124
total0.87192.5393.23
VSto 19 m2/ha3.83031.6935.49
20-39 m2/ha2.73532.6935.38
40-59 m2/ha1.45018.21319.612
from 60 m2/ha0.31003.1333.431
total8.22085.4493.73
ZGto 19 m2/ha..1.7441.744
20-39 m2/ha..3.4243.424
40-59 m2/ha..0.41000.4100
from 60 m2/ha......
total..5.695.69
ZHto 19 m2/ha..10.91610.916
20-39 m2/ha..24.7924.79
40-59 m2/ha..12.71512.715
from 60 m2/ha..2.1402.140
total..50.4250.42
Switzerlandto 19 m2/ha12.816275.23288.03
20-39 m2/ha15.215449.52464.72
40-59 m2/ha7.022234.34241.33
from 60 m2/ha3.13366.8769.97
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156489/142868

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %±
inside perimeterto 19 m2/ha22.213.9..25.015.326.35.655.19.233.44.5
20-39 m2/ha55.516.6100.0.25.015.339.36.338.09.039.84.7
40-59 m2/ha22.213.9..37.517.122.95.43.43.418.53.7
from 60 m2/ha....12.511.711.54.13.43.48.32.6
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha21.61.822.71.719.51.732.51.641.92.826.70.8
20-39 m2/ha54.52.242.82.040.02.141.41.740.92.843.80.9
40-59 m2/ha20.71.828.51.827.51.920.31.413.62.022.90.8
from 60 m2/ha3.20.86.10.913.01.45.80.83.61.16.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha21.61.822.71.719.51.732.11.543.02.727.00.8
20-39 m2/ha54.52.242.82.039.82.141.31.640.72.743.70.9
40-59 m2/ha20.71.828.41.827.61.920.41.312.81.822.70.8
from 60 m2/ha3.20.86.10.913.01.46.20.83.61.06.60.5
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 #156490/142869

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha0.771..0.7715.5255.72512.717
20-39 m2/ha1.8450.41000.7718.3203.93015.115
40-59 m2/ha0.771..1.1584.8270.41007.022
from 60 m2/ha....0.41002.4380.41003.133
total3.3330.41002.93521.11210.31837.99
outside perimeterto 19 m2/ha41.6851.3739.3995.4545.68273.33
20-39 m2/ha104.8496.6580.75121.7444.68448.42
40-59 m2/ha39.8964.3655.5759.5714.915234.03
from 60 m2/ha6.22413.71626.31117.0143.93067.17
total192.42225.91201.82293.52109.041022.71
totalto 19 m2/ha42.3851.3740.09101.0551.37285.93
20-39 m2/ha106.6497.0581.55130.0448.57463.52
40-59 m2/ha40.5964.3656.6764.3715.215241.03
from 60 m2/ha6.22413.71626.71119.4134.32970.27
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156491/142870

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha20.012.617.69.318.28.246.010.2..55.19.233.34.5
20-39 m2/ha60.115.558.811.918.28.233.29.666.719.338.09.040.04.7
40-59 m2/ha20.012.617.69.336.410.316.67.633.319.33.43.418.43.7
from 60 m2/ha..5.95.727.39.54.24.1..3.43.48.22.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha22.21.223.91.923.82.437.03.128.82.541.92.826.80.8
20-39 m2/ha48.01.540.52.237.32.738.13.146.92.740.92.843.80.9
40-59 m2/ha25.01.324.91.925.02.421.32.620.12.213.62.022.90.8
from 60 m2/ha4.80.610.81.413.92.03.61.24.21.13.61.16.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha22.21.223.71.923.42.337.82.928.32.443.02.727.00.8
20-39 m2/ha48.11.541.12.136.12.637.72.947.22.740.72.743.70.9
40-59 m2/ha24.91.324.61.925.72.420.92.520.42.212.81.822.70.8
from 60 m2/ha4.70.610.61.314.81.93.71.14.11.13.61.06.60.5
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 #156492/142871

NFI2

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 1993/95
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/ha0.7711.1581.4503.830..5.72512.616
20-39 m2/ha2.2413.6311.4502.7351.4503.93015.215
40-59 m2/ha0.7711.1582.8351.4500.7710.41007.022
from 60 m2/ha..0.41002.1410.3100..0.41003.133
total3.6326.1247.6218.2202.14110.31837.99
outside perimeterto 19 m2/ha93.0644.0825.91131.6933.6945.68273.83
20-39 m2/ha201.0374.6640.7832.6954.8644.68448.32
40-59 m2/ha104.4545.8827.31018.21323.51114.915234.14
from 60 m2/ha20.01319.81315.2143.1334.9263.93067.07
total418.51184.32109.1385.44116.93109.041023.21
totalto 19 m2/ha93.7645.1827.31035.4933.6951.37286.43
20-39 m2/ha203.2378.3642.1835.3856.2648.57463.52
40-59 m2/ha105.2546.9830.01019.61224.21115.215241.13
from 60 m2/ha20.01320.21317.3133.4314.9264.32970.17
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156493/142872

NFI2

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 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionbasal area (standing live trees) %± %± %±
Western Jurato 19 m2/ha12.411.720.82.020.62.0
20-39 m2/ha62.717.155.52.555.62.4
40-59 m2/ha24.915.320.52.020.62.0
from 60 m2/ha..3.20.93.10.9
total100.0.100.0.100.0.
Eastern Jurato 19 m2/ha100.0.24.64.025.24.0
20-39 m2/ha..50.94.650.54.6
40-59 m2/ha..21.23.821.03.7
from 60 m2/ha..3.31.63.21.6
total100.0.100.0.100.0.
Western Plateauto 19 m2/ha..22.53.922.53.9
20-39 m2/ha..38.34.638.34.6
40-59 m2/ha..30.54.330.54.3
from 60 m2/ha..8.72.68.72.6
total..100.0.100.0.
Central Plateauto 19 m2/ha..21.02.820.92.8
20-39 m2/ha100.0.42.23.342.43.3
40-59 m2/ha..29.53.129.33.1
from 60 m2/ha..7.31.87.31.8
total100.0.100.0.100.0.
Eastern Plateauto 19 m2/ha..24.02.424.02.4
20-39 m2/ha..44.82.844.82.8
40-59 m2/ha..27.02.527.02.5
from 60 m2/ha..4.21.14.21.1
total..100.0.100.0.
Western Pre-Alpsto 19 m2/ha..20.03.819.83.8
20-39 m2/ha100.0.40.04.740.64.7
40-59 m2/ha..25.44.225.24.1
from 60 m2/ha..14.63.414.43.4
total100.0.100.0.100.0.
Central Pre-Alpsto 19 m2/ha50.025.019.62.520.12.5
20-39 m2/ha25.021.742.33.142.03.0
40-59 m2/ha25.021.727.72.827.62.8
from 60 m2/ha..10.41.910.21.9
total100.0.100.0.100.0.
Eastern Pre-Alpsto 19 m2/ha..18.92.818.62.8
20-39 m2/ha..36.83.536.33.5
40-59 m2/ha66.727.328.43.329.03.3
from 60 m2/ha33.327.315.82.716.12.6
total100.0.100.0.100.0.
Northwestern Alpsto 19 m2/ha8.38.034.84.032.73.8
20-39 m2/ha66.713.637.64.139.84.0
40-59 m2/ha16.710.819.23.319.03.2
from 60 m2/ha8.38.08.52.48.52.3
total100.0.100.0.100.0.
Central Alpsto 19 m2/ha10.09.526.36.023.75.3
20-39 m2/ha10.09.544.26.838.96.1
40-59 m2/ha40.015.620.35.523.35.3
from 60 m2/ha40.015.69.23.914.04.3
total100.0.100.0.100.0.
Northeastern Alpsto 19 m2/ha33.315.833.85.633.85.3
20-39 m2/ha33.315.833.85.633.75.3
40-59 m2/ha22.213.919.74.720.04.5
from 60 m2/ha11.110.512.74.012.53.7
total100.0.100.0.100.0.
Southwestern Alpsto 19 m2/ha46.010.237.03.137.82.9
20-39 m2/ha33.29.638.13.137.72.9
40-59 m2/ha16.67.621.32.620.92.5
from 60 m2/ha4.24.13.61.23.71.1
total100.0.100.0.100.0.
Southeastern Alpsto 19 m2/ha..28.82.528.32.4
20-39 m2/ha66.719.346.92.747.22.7
40-59 m2/ha33.319.320.12.220.42.2
from 60 m2/ha..4.21.14.11.1
total100.0.100.0.100.0.
Southern Alpsto 19 m2/ha55.19.241.92.843.02.7
20-39 m2/ha38.09.040.92.840.72.7
40-59 m2/ha3.43.413.62.012.81.8
from 60 m2/ha3.43.43.61.13.61.0
total100.0.100.0.100.0.
Switzerlandto 19 m2/ha33.44.526.70.827.00.8
20-39 m2/ha39.94.743.80.943.70.9
40-59 m2/ha18.53.722.90.822.70.8
from 60 m2/ha8.32.66.60.56.60.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156494/142873

NFI2

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 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
Western Jurato 19 m2/ha0.410030.41030.710
20-39 m2/ha1.84581.0582.85
40-59 m2/ha0.77130.01030.710
from 60 m2/ha..4.6274.627
total2.935146.02148.92
Eastern Jurato 19 m2/ha0.410011.51611.916
20-39 m2/ha..23.7923.79
40-59 m2/ha..9.9189.918
from 60 m2/ha..1.5501.550
total0.410046.6347.03
Western Plateauto 19 m2/ha..10.61810.618
20-39 m2/ha..18.11218.112
40-59 m2/ha..14.41514.415
from 60 m2/ha..4.1304.130
total..47.2447.24
Central Plateauto 19 m2/ha..14.41314.413
20-39 m2/ha0.310028.8829.18
40-59 m2/ha..20.11120.111
from 60 m2/ha..5.0245.024
total0.310068.4268.72
Eastern Plateauto 19 m2/ha..26.41026.410
20-39 m2/ha..49.3649.36
40-59 m2/ha..29.71029.710
from 60 m2/ha..4.6274.627
total..110.12110.12
Western Pre-Alpsto 19 m2/ha..8.1208.120
20-39 m2/ha0.410016.31216.712
40-59 m2/ha..10.31710.317
from 60 m2/ha..5.9235.923
total0.410040.7441.14
Central Pre-Alpsto 19 m2/ha0.77118.31319.013
20-39 m2/ha0.410039.4839.88
40-59 m2/ha0.410025.81026.210
from 60 m2/ha..9.7189.718
total1.45093.2394.72
Eastern Pre-Alpsto 19 m2/ha..12.91512.915
20-39 m2/ha..25.01025.010
40-59 m2/ha0.77119.31220.012
from 60 m2/ha0.410010.71711.117
total1.15767.9368.93
Northwestern Alpsto 19 m2/ha0.410017.51317.912
20-39 m2/ha2.93518.91221.811
40-59 m2/ha0.7719.71810.417
from 60 m2/ha0.41004.3284.727
total4.32850.4554.74
Central Alpsto 19 m2/ha0.31004.9265.225
20-39 m2/ha0.31008.2188.618
40-59 m2/ha1.4493.8295.224
from 60 m2/ha1.4491.7443.132
total3.43018.61022.18
Northeastern Alpsto 19 m2/ha1.1578.6199.717
20-39 m2/ha1.1578.6189.717
40-59 m2/ha0.7705.0255.723
from 60 m2/ha0.41003.2323.630
total3.23225.4828.76
Southwestern Alpsto 19 m2/ha3.83031.6935.49
20-39 m2/ha2.73532.6935.38
40-59 m2/ha1.45018.21319.612
from 60 m2/ha0.31003.1333.431
total8.22085.4493.73
Southeastern Alpsto 19 m2/ha..33.6933.69
20-39 m2/ha1.45054.8656.26
40-59 m2/ha0.77123.51124.211
from 60 m2/ha..4.9264.926
total2.141116.93119.03
Southern Alpsto 19 m2/ha5.72545.6851.37
20-39 m2/ha3.93044.6848.57
40-59 m2/ha0.410014.91515.215
from 60 m2/ha0.41003.9304.329
total10.318109.04119.33
Switzerlandto 19 m2/ha12.716274.43287.13
20-39 m2/ha15.215449.52464.62
40-59 m2/ha7.022234.64241.63
from 60 m2/ha3.13367.4770.67
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156495/142874

NFI2

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 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetern/a......4.44.3..3.43.41.91.3
critical....21.16.68.35.6..13.96.513.03.2
less stable22.213.9100.0.50.08.141.610.116.715.251.69.345.34.8
stable77.813.9..28.97.445.710.283.315.231.08.639.84.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.30.40.21.70.40.40.40.70.51.00.50.90.2
critical2.30.74.90.812.51.19.92.011.21.96.61.47.80.5
less stable36.62.142.91.950.61.743.53.348.13.139.72.844.20.9
stable60.72.251.81.935.21.646.23.340.03.052.72.847.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.30.40.21.60.40.80.60.70.51.20.60.90.2
critical2.30.74.90.812.91.19.71.910.91.97.31.48.00.5
less stable36.42.143.01.850.61.743.33.247.43.040.72.744.20.9
stable61.02.151.71.935.01.646.23.240.93.050.82.746.90.9
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 #156496/142875

NFI2

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 1993/95
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/a......0.4100..0.41000.771
critical....2.8350.771..1.4505.027
less stable0.7710.7716.7233.4310.41005.32517.314
stable2.538..3.9303.8301.8443.23315.215
total3.2330.77113.5168.2202.14110.31838.19
outside perimetern/a0.7711.1585.1270.31000.7711.1589.020
critical4.32912.41737.697.52110.6187.42279.96
less stable68.16108.64152.3433.2945.5744.58452.22
stable112.84131.24106.1535.3837.8859.06482.12
total185.92253.21301.1276.4494.63112.131023.21
totaln/a0.7711.1585.1270.7710.7711.4509.719
critical4.32912.41740.498.22010.6188.92084.86
less stable68.86109.34159.1436.6845.9749.97469.52
stable115.34131.24110.0539.1839.6862.26497.32
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156497/142876

NFI2

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 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability %± %± %±
AGn/a......
critical..2.51.42.51.4
less stable..40.54.540.54.5
stable..57.04.557.04.5
total..100.0.100.0.
AIn/a......
critical......
less stable..93.35.993.35.9
stable..6.76.66.76.6
total..100.0.100.0.
ARn/a..4.04.04.04.0
critical..16.07.516.07.5
less stable..52.010.152.010.1
stable..28.09.128.09.1
total..100.0.100.0.
BEn/a..1.30.51.30.5
critical6.26.06.81.26.71.2
less stable56.012.442.82.343.22.3
stable37.812.149.12.348.82.3
total100.0.100.0.100.0.
BL/BSn/a......
critical..4.43.04.33.0
less stable..28.46.727.86.6
stable100.0.67.37.068.06.9
total100.0.100.0.100.0.
FRn/a......
critical..10.02.910.02.9
less stable..49.14.849.14.8
stable..40.94.740.94.7
total..100.0.100.0.
GEn/a......
critical......
less stable..21.019.921.019.9
stable..79.019.979.019.9
total..100.0.100.0.
GLn/a......
critical28.617.211.85.614.65.6
less stable57.118.858.88.558.57.7
stable14.313.329.47.926.87.0
total100.0.100.0.100.0.
GRn/a..0.80.40.70.4
critical6.96.711.21.611.01.6
less stable33.212.245.52.545.12.5
stable59.812.742.52.543.22.5
total100.0.100.0.100.0.
JUn/a......
critical..2.41.72.31.6
less stable..46.55.444.95.3
stable100.0.51.15.552.85.4
total100.0.100.0.100.0.
LUn/a..1.61.11.61.1
critical..13.63.113.63.1
less stable..60.84.460.84.4
stable..24.13.824.13.8
total..100.0.100.0.
NEn/a..1.41.41.41.4
critical..2.31.62.31.6
less stable..29.55.029.55.0
stable..66.75.266.75.2
total..100.0.100.0.
NWn/a......
critical..31.311.829.411.3
less stable..31.311.829.411.3
stable100.0.37.512.341.212.2
total100.0.100.0.100.0.
OWn/a..1.91.81.81.8
critical..2.02.02.02.0
less stable100.0.65.46.866.86.5
stable..30.76.629.56.4
total100.0.100.0.100.0.
SGn/a..2.21.32.21.2
critical25.021.76.82.27.32.2
less stable50.025.152.64.352.64.3
stable25.021.738.34.238.04.2
total100.0.100.0.100.0.
SHn/a......
critical......
less stable..33.37.933.37.9
stable..66.77.866.77.8
total..100.0.100.0.
SOn/a......
critical..2.51.72.41.7
less stable50.035.542.05.542.25.5
stable50.035.555.65.655.45.5
total100.0.100.0.100.0.
SZn/a..1.51.51.41.4
critical33.327.411.83.912.74.0
less stable33.327.441.26.040.85.8
stable33.327.445.66.145.15.9
total100.0.100.0.100.0.
TGn/a..1.41.41.41.4
critical..4.32.44.32.4
less stable..35.65.735.65.7
stable..58.75.958.75.9
total..100.0.100.0.
TIn/a5.04.90.80.61.10.6
critical15.08.06.41.67.11.6
less stable55.011.141.63.142.63.0
stable25.09.751.23.249.23.1
total100.0.100.0.100.0.
URn/a......
critical37.517.237.98.337.87.4
less stable50.017.842.48.443.87.6
stable12.511.819.86.718.45.9
total100.0.100.0.100.0.
VDn/a..0.40.40.40.4
critical..7.01.66.91.6
less stable..40.23.139.83.1
stable100.0.52.43.252.83.2
total100.0.100.0.100.0.
VSn/a4.44.31.20.71.50.7
critical8.35.610.01.99.91.8
less stable41.610.144.23.243.93.0
stable45.710.244.63.244.73.0
total100.0.100.0.100.0.
ZGn/a......
critical..7.77.77.77.7
less stable..38.513.938.513.9
stable..53.814.253.814.2
total..100.0.100.0.
ZHn/a......
critical..4.21.74.21.7
less stable..42.04.142.04.1
stable..53.84.253.84.2
total..100.0.100.0.
Switzerlandn/a1.91.30.80.20.90.2
critical12.93.27.70.57.90.5
less stable45.14.844.10.944.20.9
stable40.04.747.30.947.00.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156498/142877

NFI2

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 1993/95
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand stability1000 ha± %1000 ha± %1000 ha± %
AGn/a......
critical..1.2571.257
less stable..19.71119.711
stable..27.8827.88
total..48.7248.72
AIn/a......
critical......
less stable..4.5124.512
stable..0.31000.3100
total..4.8114.811
ARn/a..0.31000.3100
critical..1.3471.347
less stable..4.2204.220
stable..2.2332.233
total..8.058.05
BEn/a..2.1412.141
critical0.310010.61710.917
less stable3.13367.1670.16
stable2.14177.0579.15
total5.525156.82162.32
BL/BSn/a......
critical..0.8700.870
less stable..5.3245.324
stable0.410012.61213.012
total0.410018.7719.16
FRn/a......
critical..4.1294.129
less stable..20.21020.210
stable..16.81216.812
total..41.1341.13
GEn/a......
critical......
less stable..0.51000.5100
stable..1.7431.743
total..2.2342.234
GLn/a......
critical0.8701.5492.339
less stable1.5497.7189.215
stable0.41003.9294.227
total2.73613.11115.88
GRn/a..1.0581.058
critical0.410015.31515.714
less stable1.74562.4664.26
stable3.13358.3661.46
total5.226137.13142.33
JUn/a......
critical..0.8700.870
less stable..15.21215.212
stable1.25716.71117.911
total1.25732.7333.93
LUn/a..0.6700.670
critical..5.3235.323
less stable..23.9823.98
stable..9.5169.516
total..39.3339.33
NEn/a..0.41000.4100
critical..0.6700.670
less stable..8.1188.118
stable..18.3818.38
total..27.4427.44
NWn/a......
critical..1.9401.940
less stable..1.9401.940
stable0.41002.3362.732
total0.41006.1146.513
OWn/a..0.31000.3100
critical..0.41000.4100
less stable0.77012.01112.710
stable..5.6225.622
total0.77018.3519.04
SGn/a..1.1581.158
critical0.41003.3333.631
less stable0.77025.3926.09
stable0.410018.41218.812
total1.45048.1549.54
SHn/a......
critical......
less stable..4.3244.324
stable..8.5128.512
total..12.8312.83
SOn/a......
critical..0.8700.870
less stable0.410012.91413.213
stable0.410017.01117.410
total0.87030.7431.44
SZn/a..0.41000.4100
critical0.41002.9343.332
less stable0.410010.11510.515
stable0.410011.21511.614
total1.15724.6625.75
TGn/a..0.31000.3100
critical..0.9570.957
less stable..7.5167.516
stable..12.31112.311
total..21.0421.04
TIn/a0.41000.7711.158
critical1.1585.7256.823
less stable3.93036.9840.88
stable1.84445.4747.27
total7.22288.7495.94
URn/a......
critical1.0574.4265.423
less stable1.3495.0236.320
stable0.31002.3362.634
total2.63411.71314.311
VDn/a..0.41000.4100
critical..6.5246.524
less stable..37.1837.18
stable0.87148.5749.27
total0.87192.5393.23
VSn/a0.41001.0581.450
critical0.7718.6199.319
less stable3.43137.7841.28
stable3.83038.1841.98
total8.22085.4493.73
ZGn/a......
critical..0.41000.4100
less stable..2.1372.137
stable..3.0283.028
total..5.695.69
ZHn/a......
critical..2.1402.140
less stable..21.11021.110
stable..27.1827.18
total..50.4250.42
Switzerlandn/a0.7718.7209.419
critical4.92779.4684.46
less stable17.314452.72469.92
stable15.315485.02500.32
total38.291025.711064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156499/142878

NFI2

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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %±
inside perimetern/a......1.71.73.43.41.91.3
critical....25.015.313.14.313.96.513.03.2
less stable22.213.9100.0.50.017.744.26.451.79.345.34.8
stable77.813.9..25.015.340.96.331.08.639.84.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.30.60.31.10.41.20.41.00.60.90.2
critical1.70.65.40.910.21.312.31.16.81.47.80.5
less stable38.32.141.41.950.52.147.51.739.62.844.20.9
stable59.62.152.62.038.22.139.01.752.62.847.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.30.60.31.10.41.20.41.20.60.90.2
critical1.70.65.40.910.41.312.31.17.41.48.00.5
less stable38.12.141.51.950.52.147.31.740.72.744.20.9
stable59.92.152.52.038.02.039.21.650.72.746.90.9
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 #156500/142879

NFI2

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 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a......0.41000.41000.771
critical....0.7712.8351.4504.927
less stable0.7710.41001.4509.3195.32517.214
stable2.638..0.7718.6203.23315.115
total3.3330.41002.93521.11210.31837.99
outside perimetern/a0.7711.4502.2413.5321.1588.920
critical3.33312.31620.51336.097.42179.66
less stable73.7693.55102.05139.4443.28451.92
stable114.64118.8477.16114.6557.36482.42
total192.42225.91201.82293.52109.041022.71
totaln/a0.7711.4502.2413.9301.4509.619
critical3.33312.31621.31238.898.82084.56
less stable74.5693.85103.44148.8448.57469.02
stable117.24118.8477.96123.2460.56497.52
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156501/142880

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetern/a......4.44.3..3.43.41.91.3
critical..5.95.731.89.98.35.6..13.96.512.93.2
less stable30.014.552.912.150.010.741.610.116.715.251.79.345.34.8
stable70.014.541.211.918.28.245.710.283.315.231.08.639.94.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.50.21.20.51.60.71.20.70.60.41.00.60.90.2
critical3.80.611.51.412.11.810.01.911.71.86.81.47.80.5
less stable40.01.448.92.252.82.844.23.248.02.739.62.844.20.9
stable55.71.538.42.233.62.744.63.239.72.752.62.847.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.21.10.51.50.71.50.70.60.41.20.60.90.2
critical3.70.611.41.413.31.99.91.811.51.77.41.48.00.5
less stable39.91.449.12.252.62.743.93.047.52.740.72.744.20.9
stable55.91.438.42.132.62.644.73.040.42.750.72.746.90.9
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 #156502/142881

NFI2

forest area: rockfall SilvaProtect, modelled and assigned · stand stability · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a......0.4100..0.41000.771
critical..0.41002.4380.771..1.4504.927
less stable1.1583.2333.8303.4310.41005.32517.214
stable2.5382.5381.4503.8301.8453.23315.115
total3.6326.1247.6218.2202.14110.31837.99
outside perimetern/a2.2412.2411.8451.0580.7711.1588.920
critical15.71521.31213.2168.61913.7157.42179.86
less stable167.4490.2557.6637.7856.2643.28452.22
stable233.2370.7636.6838.1846.4757.36482.32
total418.51184.32109.1385.44116.93109.041023.21
totaln/a2.2412.2411.8451.4500.7711.4509.619
critical15.71521.61215.6149.31913.7158.82084.76
less stable168.5493.4561.4641.2856.5648.57469.42
stable235.7373.2638.0841.9848.1760.56497.42
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156503/142882
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