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NFI3

forest area: stand stability · regeneration cover · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
stand stability
criticalless stablestabletotal
cantonregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG< 1%........
1-9%..0.21000.4710.658
10-25%....0.4710.471
26-50%..0.4710.21000.658
51-75%..0.2100..0.2100
76-100%........
total..0.7500.9441.733
AI< 1%....0.3700.370
1-9%..0.21000.8420.938
10-25%..0.21001.1351.232
26-50%..0.21000.3700.556
51-75%....0.21000.2100
76-100%........
total..0.5562.6183.016
AR< 1%........
1-9%..0.21001.1361.333
10-25%0.2100..0.7490.843
26-50%..0.21000.5570.749
51-75%..0.2100..0.2100
76-100%........
total0.21000.5572.3232.919
BE< 1%..0.4712.3282.726
1-9%1.4359.6138.91419.99
10-25%1.63313.91115.81031.37
26-50%0.4716.21711.61218.19
51-75%..2.7263.9216.616
76-100%0.7501.2382.8254.819
total4.12133.9745.3683.44
BL/BS< 1%........
1-9%..0.470..0.470
10-25%0.21000.4701.0441.634
26-50%....1.2401.240
51-75%0.2100..0.21000.470
76-100%....0.6570.657
total0.4700.8493.0244.220
FR< 1%0.21000.4710.5581.141
1-9%0.5580.5581.1402.228
10-25%0.21002.7252.4275.318
26-50%..1.1403.5224.619
51-75%..1.3370.7502.030
76-100%....0.9440.944
total0.9446.0169.11316.19
GE< 1%........
1-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
GL< 1%0.21001.0400.21001.434
1-9%..1.0400.5571.633
10-25%0.21000.7490.3701.237
26-50%..1.4341.2372.624
51-75%0.5570.21000.5571.237
76-100%..0.5570.7491.237
total0.9444.8173.4219.111
GR< 1%0.21001.8322.6264.619
1-9%2.12912.61122.8837.56
10-25%1.0419.81321.5932.47
26-50%0.7506.11711.71218.69
51-75%0.7502.3282.8255.817
76-100%0.5581.0411.4353.024
total5.21833.6762.94101.73
JU< 1%....0.21000.2100
1-9%0.21001.1400.9442.128
10-25%..1.4352.1283.621
26-50%..0.9442.0292.824
51-75%..0.21001.2371.435
76-100%..0.5570.4710.944
total0.21004.1206.81511.011
LU< 1%0.3710.2100..0.558
1-9%....0.7500.750
10-25%0.21001.0411.7312.924
26-50%0.3711.0400.8442.227
51-75%0.21000.2100..0.371
76-100%..0.371..0.371
total1.0402.7243.2227.014
NE< 1%....0.21000.2100
1-9%..0.21000.21000.470
10-25%....0.7500.750
26-50%..0.4700.9441.337
51-75%..0.21001.6331.831
76-100%....0.21000.2100
total..0.7503.8204.519
NW< 1%........
1-9%0.8490.656..1.436
10-25%0.4700.848..1.238
26-50%0.21000.656..0.848
51-75%..0.2100..0.2100
76-100%..0.4700.6561.043
total1.4362.6240.6564.516
OW< 1%....0.9440.944
1-9%..0.7490.5571.337
10-25%0.21002.2271.4343.820
26-50%0.21000.5570.5571.337
51-75%0.4700.21000.4700.944
76-100%0.4700.5570.21001.140
total1.1404.1194.0199.211
SG< 1%....0.4710.471
1-9%0.5583.2236.1169.812
10-25%0.5582.3275.3188.114
26-50%0.5581.1415.1186.715
51-75%..1.1412.5263.522
76-100%0.5580.9441.9303.322
total2.1298.41421.2831.76
SH< 1%........
1-9%..0.2100..0.2100
10-25%........
26-50%..0.2100..0.2100
51-75%........
76-100%..0.2100..0.2100
total..0.657..0.657
SO< 1%....0.3710.371
1-9%0.21000.557..0.750
10-25%..0.21000.5570.750
26-50%..0.21000.21000.371
51-75%..0.21000.21000.371
76-100%0.2100..0.5570.750
total0.3711.0401.7313.123
SZ< 1%..0.470..0.470
1-9%0.7502.2281.5354.419
10-25%..1.5352.0293.522
26-50%0.4700.9442.0293.322
51-75%..0.7501.5352.228
76-100%....0.4700.470
total1.1405.7167.31414.19
TG< 1%........
1-9%....0.21000.2100
10-25%..0.5570.21000.749
26-50%..0.21000.21000.370
51-75%..1.0400.21001.237
76-100%..0.21000.21000.370
total..1.8290.8442.724
TI< 1%0.21001.1411.2382.527
1-9%0.75012.21223.9836.86
10-25%0.5589.51322.3832.36
26-50%0.4716.3168.11414.710
51-75%..4.2203.5227.815
76-100%0.4711.1410.9452.328
total2.12934.3660.0496.43
UR< 1%..0.21000.4700.657
1-9%..2.1290.9443.024
10-25%..1.3371.5342.824
26-50%0.4700.4701.1401.931
51-75%..0.4711.1401.535
76-100%........
total0.4704.3195.1179.711
VD< 1%..0.21000.4710.558
1-9%0.21002.4272.4274.919
10-25%0.4712.2293.8216.316
26-50%0.4712.5263.4236.416
51-75%0.21000.7501.5352.427
76-100%0.21000.4710.9451.435
total1.3388.31412.31121.98
VS< 1%0.5580.5581.4352.427
1-9%1.4359.21317.2927.87
10-25%0.7508.01416.01024.78
26-50%0.5585.11810.21215.910
51-75%0.5582.1291.7314.320
76-100%..0.3710.7501.041
total3.62225.2747.2576.13
ZG< 1%........
1-9%....0.4700.470
10-25%....0.5560.556
26-50%....0.5560.556
51-75%....0.5560.556
76-100%....0.7480.748
total....2.6202.620
ZH< 1%........
1-9%........
10-25%..0.2100..0.2100
26-50%0.21000.4710.6581.140
51-75%....0.21000.2100
76-100%........
total0.21000.6580.7501.535
Switzerland< 1%1.6336.01711.31218.810
1-9%8.71459.1590.44158.23
10-25%6.21758.75101.34166.23
26-50%4.52036.1765.85106.44
51-75%2.62618.01024.3844.96
76-100%2.8257.61513.91124.48
total26.48185.53306.92518.81

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170415/156798

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter50.04.979.84.589.81.385.92.578.43.391.71.684.61.0
outside perimeter50.04.920.24.510.21.314.12.521.63.38.31.615.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170416/156799

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter19.11322.312169.2356.5642.4794.74404.12
outside perimeter19.1135.72519.2139.31911.7178.52073.47
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170417/156800

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton %± %± %±
AG..100.0.100.0.
AI90.08.910.09.8100.0.
AR70.014.730.014.8100.0.
BE81.22.618.82.6100.0.
BL/BS40.015.660.015.6100.0.
FR93.33.76.73.7100.0.
GE......
GL73.18.826.98.8100.0.
GR82.92.417.12.4100.0.
JU70.08.330.08.4100.0.
LU95.54.54.54.5100.0.
NE35.712.964.312.8100.0.
NW85.713.214.313.5100.0.
OW88.56.311.56.3100.0.
SG89.33.410.73.4100.0.
SH..100.0.100.0.
SO66.719.333.319.4100.0.
SZ90.04.810.04.8100.0.
TG100.0...100.0.
TI92.11.87.91.8100.0.
UR85.86.614.26.6100.0.
VD83.35.116.75.1100.0.
VS86.82.313.22.3100.0.
ZG100.0...100.0.
ZH75.021.725.021.7100.0.
Switzerland84.61.015.41.0100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #170418/156801

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton1000 ha± %1000 ha± %1000 ha± %
AG..1.2571.257
AI2.9240.31003.221
AR2.2331.0553.225
BE60.9614.11575.05
BL/BS1.6492.4394.129
FR15.7131.15716.812
GE......
GL7.3192.73610.014
GR72.6515.01587.65
JU8.2193.53211.715
LU6.6200.31006.920
NE1.6442.9324.525
NW2.3360.41002.732
OW8.6161.1579.714
SG27.193.33330.48
SH..0.7700.770
SO1.5490.8702.340
SZ13.0131.44914.512
TG3.030..3.030
TI75.556.42382.04
UR8.0171.3499.315
VD17.1143.43320.512
VS63.159.61872.75
ZG3.921..3.921
ZH1.1570.41001.449
Switzerland403.8273.47477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170419/156802

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assigned %± %± %± %± %± %±
inside perimeter52.44.970.66.491.21.684.81.591.61.684.61.0
outside perimeter47.64.929.46.48.81.615.21.58.41.615.41.0
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170420/156803

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter19.71312.716100.95177.0392.84403.12
outside perimeter17.9145.3269.71931.8108.52073.27
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170421/156804

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter58.44.091.01.786.92.486.82.380.92.891.61.684.71.0
outside perimeter41.64.09.01.713.12.413.22.319.12.88.41.615.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170422/156805

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter32.21098.4561.6663.1555.2692.84403.32
outside perimeter22.9129.7199.3199.61813.0168.52073.17
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170423/156806
NFI4b
number of forest plots
altitudinal vegetation zone · area of largest gap (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: rockfall SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonearea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
upper subalpineno gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
small gap.0.0.0.0.0.050.035.4.0.0.0.050.035.4
medium gap.0.0.0.0.0.050.035.4.0.0.0.050.035.4
large gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0100.0..0.0.0.0100.0.
lower subalpineno gap.0.033.327.233.327.2.0.0.0.0.0.010.67.1
small gap100.0..0.066.727.219.912.6.0.050.035.431.510.7
medium gap.0.0.0.0.0.029.814.5.0.0.0.015.58.2
large gap.0.066.727.2.0.050.315.8.0.050.035.442.411.4
very large gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0..0.0100.0.100.0.
upper montaneno gap.0.020.017.928.617.125.021.725.021.722.113.824.17.9
small gap.0.020.017.928.617.1.0.025.021.711.110.417.27.0
medium gap.0.040.021.9.0.025.021.725.021.733.215.724.38.0
large gap.0.020.017.928.617.150.025.025.021.733.615.831.08.6
very large gap.0.0.0.014.313.2.0.0.0.0.0.03.43.3
total.0.0100.0.100.0.100.0.100.0.100.0.100.0.
lower montaneno gap.0.0100.0.33.315.733.327.350.035.450.025.048.410.0
small gap.0.0.0.044.416.633.327.350.035.450.025.031.79.3
medium gap50.035.4.0.011.110.5.0.0.0.0.0.08.05.4
large gap50.035.4.0.011.110.533.327.3.0.0.0.011.96.5
very large gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontaneno gap28.617.175.021.766.727.220.017.9.0.042.913.242.58.6
small gap28.617.125.021.7.0.040.021.9.0.028.612.127.37.8
medium gap28.617.1.0.033.327.220.017.9.0.014.39.418.16.7
large gap14.313.2.0.0.0.020.017.9.0.014.39.412.15.7
very large gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0..0.0100.0.100.0.
totalno gap20.012.658.811.936.410.312.56.733.319.334.48.832.64.5
small gap30.114.511.87.836.410.324.98.833.319.327.58.326.84.3
medium gap30.014.511.87.89.16.124.98.816.715.217.27.017.63.7
large gap20.012.617.69.313.67.337.79.916.715.220.87.622.24.0
very large gap.0.0.0.04.54.4.0.0.0.0.0.00.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #170424/156807

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region %± %± %±
Western Jura56.25.343.85.3100.0.
Eastern Jura28.612.171.412.1100.0.
Western Plateau83.110.916.910.9100.0.
Central Plateau54.510.645.510.6100.0.
Eastern Plateau82.49.217.69.3100.0.
Western Pre-Alps86.84.113.24.1100.0.
Central Pre-Alps96.11.73.91.7100.0.
Eastern Pre-Alps88.23.111.83.1100.0.
Northwestern Alps87.43.312.63.3100.0.
Central Alps86.55.613.55.6100.0.
Northeastern Alps84.54.815.54.8100.0.
Southwestern Alps86.82.313.22.3100.0.
Southeastern Alps80.92.819.12.8100.0.
Southern Alps91.61.68.41.6100.0.
Switzerland84.71.015.31.0100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #170425/156808

NFI3

forest area: processes in channels SilvaProtect, modelled and assigned · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region1000 ha± %1000 ha± %1000 ha± %
Western Jura17.81313.91531.810
Eastern Jura1.6494.0305.525
Western Plateau4.1310.8704.928
Central Plateau3.7283.1316.820
Eastern Plateau5.0261.1586.124
Western Pre-Alps21.8103.33325.29
Central Pre-Alps44.571.84446.37
Eastern Pre-Alps34.684.62739.37
Northwestern Alps32.184.72736.87
Central Alps11.0151.74412.713
Northeastern Alps17.6113.23220.810
Southwestern Alps63.159.61872.75
Southeastern Alps55.2613.01668.25
Southern Alps92.848.520101.34
Switzerland404.9273.37478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170426/156809

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter51.94.924.04.817.51.634.93.424.23.522.12.424.81.2
outside perimeter48.14.976.04.882.51.665.13.475.83.577.92.475.21.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170427/156810

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter19.8136.72333.01022.91113.11622.812118.35
outside perimeter18.41321.212155.4442.8741.0880.45359.23
total38.2927.911188.4365.7554.16103.24477.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170428/156811

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton %± %± %±
AG100.0...100.0.
AI10.09.890.08.9100.0.
AR60.015.840.015.8100.0.
BE23.32.976.72.9100.0.
BL/BS60.015.640.015.6100.0.
FR8.94.391.14.3100.0.
GE......
GL30.89.169.29.1100.0.
GR21.52.678.52.6100.0.
JU16.76.883.36.7100.0.
LU4.54.595.54.5100.0.
NE71.412.128.612.1100.0.
NW14.313.585.713.2100.0.
OW15.47.184.67.1100.0.
SG20.24.479.84.4100.0.
SH100.0...100.0.
SO50.020.550.020.5100.0.
SZ12.55.387.55.3100.0.
TG20.012.780.012.6100.0.
TI22.32.877.72.8100.0.
UR35.59.164.59.1100.0.
VD27.86.172.26.1100.0.
VS34.93.365.13.3100.0.
ZG11.110.888.910.3100.0.
ZH25.021.775.021.7100.0.
Switzerland24.71.275.31.2100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #170429/156812

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton1000 ha± %1000 ha± %1000 ha± %
AG1.257..1.257
AI0.31002.9243.221
AR1.9371.3473.225
BE17.51357.5775.05
BL/BS2.4391.6494.129
FR1.54915.31316.812
GE......
GL3.1336.92010.014
GR18.91368.8687.65
JU1.9449.71711.715
LU0.31006.6206.920
NE3.2301.3494.525
NW0.41002.3362.732
OW1.5498.2179.714
SG6.12324.21030.48
SH0.770..0.770
SO1.1571.1572.340
SZ1.84412.71314.512
TG0.6702.4343.030
TI18.31363.7682.04
UR3.3306.0219.315
VD5.72514.81520.512
VS25.41047.3772.75
ZG0.41003.4243.921
ZH0.41001.1571.449
Switzerland117.95359.23477.12

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #170430/156813

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned %± %± %± %± %± %±
inside perimeter49.54.931.46.513.41.927.11.822.12.524.81.2
outside perimeter50.54.968.66.586.61.972.91.877.92.575.21.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170431/156814

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter18.6135.62514.81556.7722.312118.15
outside perimeter19.01312.31795.95152.2478.95358.33
total37.6917.914110.74208.93101.34476.32

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170432/156815
NFI4b
number of forest plots
altitudinal vegetation zone · area of largest gap (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: rockfall SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
Western Jurano gap.0.0.0.0.0.0.0.040.021.924.915.3
small gap.0.0100.0..0.0.0.020.017.925.415.5
medium gap.0.0.0.0.0.050.035.420.017.924.915.3
large gap.0.0.0.0.0.050.035.420.017.924.915.3
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0..0.0100.0.100.0.100.0.
Eastern Jurano gap.0.0.0.0.0.0.0.0.0.0.0.0
small gap.0.0.0.0.0.0.0.0.0.0.0.0
medium gap.0.0.0.0.0.0.0.0100.0.100.0.
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0.0.0100.0.100.0.
Western Plateauno gap.0.0.0.0.0.0.0.0.0.0.0.0
small gap.0.0.0.0.0.0.0.0.0.0.0.0
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0.0.0.0.0.0.0
Central Plateauno gap.0.0.0.0.0.0.0.0.0.0.0.0
small gap.0.0.0.0.0.0.0.0100.0.100.0.
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0.0.0100.0.100.0.
Eastern Plateauno gap.0.0.0.0.0.0.0.0.0.0.0.0
small gap.0.0.0.0.0.0.0.0.0.0.0.0
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0.0.0.0.0.0.0
Western Pre-Alpsno gap.0.0.0.0.0.0.0.0.0.0.0.0
small gap.0.0.0.0.0.0.0.0.0.0.0.0
medium gap.0.0.0.0100.0..0.0.0.0100.0.
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0..0.0.0.0100.0.
Central Pre-Alpsno gap.0.0.0.0.0.0100.0..0.025.021.7
small gap.0.0.0.0.0.0.0.0100.0.25.021.7
medium gap.0.0.0.0100.0..0.0.0.025.021.7
large gap.0.0100.0..0.0.0.0.0.025.021.7
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
Eastern Pre-Alpsno gap.0.0.0.0.0.0.0.050.035.433.327.3
small gap.0.0.0.0.0.0100.0..0.033.327.3
medium gap.0.0.0.0.0.0.0.050.035.433.327.3
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0100.0.100.0.100.0.
Northwestern Alpsno gap.0.050.035.433.327.3100.0.100.0.75.012.5
small gap.0.0.0.033.327.3.0.0.0.08.38.0
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.050.035.433.327.3.0.0.0.016.710.8
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
Central Alpsno gap.0.033.327.325.021.850.035.5100.0.40.015.6
small gap.0.066.727.325.021.8.0.0.0.030.014.6
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.0.0.025.021.850.035.5.0.020.012.7
very large gap.0.0.0.025.021.8.0.0.0.010.09.5
total.0.0100.0.100.0.100.0.100.0.100.0.
Northeastern Alpsno gap.0.0.0.033.327.333.319.3.0.033.315.8
small gap.0.0.0.033.327.350.020.5.0.044.416.6
medium gap.0.0.0.0.0.016.715.3.0.011.110.5
large gap.0.0.0.033.327.3.0.0.0.011.110.5
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0..0.0100.0.
Southwestern Alpsno gap.0.0.0.025.021.733.327.320.017.912.56.7
small gap50.035.419.912.6.0.033.327.340.021.924.98.8
medium gap50.035.429.814.525.021.7.0.020.017.924.98.8
large gap.0.050.315.850.025.033.327.320.017.937.79.9
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0.100.0.100.0.
Southeastern Alpsno gap.0.0.0.025.021.750.035.4.0.033.319.3
small gap.0.0.0.025.021.750.035.4.0.033.319.3
medium gap.0.0.0.025.021.7.0.0.0.016.715.2
large gap.0.0.0.025.021.7.0.0.0.016.715.2
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0..0.0100.0.
Southern Alpsno gap.0.0.0.022.113.850.025.042.913.234.48.8
small gap.0.050.035.411.110.450.025.028.612.127.58.3
medium gap.0.0.0.033.215.7.0.014.39.417.27.0
large gap.0.050.035.433.615.8.0.014.39.420.87.6
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
Switzerlandno gap.0.010.67.124.17.948.110.042.58.632.54.5
small gap50.035.431.610.717.37.032.19.326.87.726.74.3
medium gap50.035.415.58.224.38.08.15.518.56.817.73.7
large gap.0.042.311.331.08.611.86.412.15.722.24.0
very large gap.0.0.0.03.43.3.0.0.0.00.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #170433/156816

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter43.54.014.02.022.92.934.93.321.63.022.12.524.71.2
outside perimeter56.54.086.02.077.12.965.13.378.43.077.92.575.31.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170434/156817

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter24.01215.11516.21425.41014.81522.312117.85
outside perimeter31.11093.0554.7647.3753.4778.95358.63
total55.18108.2470.9572.7568.25101.34476.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170435/156818

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region %± %± %±
Western Jura46.05.354.05.3100.0.
Eastern Jura71.412.128.612.1100.0.
Western Plateau16.910.983.110.9100.0.
Central Plateau40.910.559.110.5100.0.
Eastern Plateau29.411.170.611.0100.0.
Western Pre-Alps13.34.186.74.1100.0.
Central Pre-Alps7.82.492.22.4100.0.
Eastern Pre-Alps20.03.880.03.8100.0.
Northwestern Alps22.34.177.74.1100.0.
Central Alps32.47.767.67.7100.0.
Northeastern Alps22.45.577.65.5100.0.
Southwestern Alps34.93.365.13.3100.0.
Southeastern Alps21.63.078.43.0100.0.
Southern Alps22.12.577.92.5100.0.
Switzerland24.71.275.31.2100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #170436/156819

NFI3

forest area: landslide/mudflow SilvaProtect, modelled and assigned · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region1000 ha± %1000 ha± %1000 ha± %
Western Jura14.61517.11431.810
Eastern Jura4.0301.6495.525
Western Plateau0.8704.1314.928
Central Plateau2.8334.0276.820
Eastern Plateau1.8444.3286.124
Western Pre-Alps3.33221.81025.29
Central Pre-Alps3.63142.7746.37
Eastern Pre-Alps7.92031.4839.37
Northwestern Alps8.22028.6936.87
Central Alps4.1278.61812.713
Northeastern Alps4.72616.11220.810
Southwestern Alps25.41047.3772.75
Southeastern Alps14.81553.4768.25
Southern Alps22.31278.95101.34
Switzerland118.25360.03478.22

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170437/156820

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter12.33.2..19.61.734.93.424.23.512.82.019.01.1
outside perimeter87.73.2100.0.80.41.765.13.475.83.587.22.081.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #170438/156821
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