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NFI2
stem number
lower/higher altitudinal zones
unit of reference: canton
unit: n/ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
lower/higher altitudinal zones
lowlandshigh altitude areastotal
canton n/ha± % n/ha± % n/ha± %
AG41140.4114
AI645125091755412
AR674114961859810
BE467344534562
BL/BS418729004177
FR536655865464
GE645170.64517
GL548184071244710
GR453637533892
JU4644460144634
LU510552965184
NE378738263805
NW522164701648912
OW6291244294867
SG534541774734
SH49170.4917
SO4565343164415
SZ4501144974506
TG4415770.4425
TI501436854383
UR561943884707
VD478438544283
VS471640634203
ZG436114772245111
ZH3984407363984
Switzerland469141314411
© WSL, Swiss National Forest Inventory, 17.06.2020 #874366/340698
NFI4
stem number
lower/higher altitudinal zones
unit of reference: canton
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
canton n/ha± % n/ha± % n/ha± %
AG34850.3485
AI603134921653011
AR445144991746811
BE411340634082
BL/BS3726240.3706
FR439742974355
GE413160.41316
GL45315425104348
GR421643034293
JU4445381144365
LU450646264554
NE368639063824
NW440225022247616
OW5311347894907
SG470743084505
SH42980.4298
SO3926397133935
SZ464940864265
TG390652303916
TI540444754973
UR5861049395197
VD423540354123
VS449744134433
ZG426133282139211
ZH3424428413434
Switzerland423142914261
© WSL, Swiss National Forest Inventory, 17.06.2020 #874367/340699
NFI4
stem number
lower/higher altitudinal zones
unit of reference: canton
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
canton n/ha± % n/ha± % n/ha± %
AG35650.3565
AI603134971553211
AR445144991746811
BE411340334072
BL/BS3726569393776
FR441743274375
GE358200.35820
GL4531540494188
GR411641434132
JU4495364144375
LU450645064504
NE368641173955
NW417224712044915
OW5311347294857
SG467743274495
SH42980.4298
SO3906383133895
SZ454939564135
TG399752304007
TI515441544643
UR51512466104808
VD421540154103
VS441641834233
ZG426123282139410
ZH3414428413424
Switzerland421141714191
© WSL, Swiss National Forest Inventory, 17.06.2020 #874368/340700
NFI3
stem number
lower/higher altitudinal zones
unit of reference: protection forest region
unit: n/ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
lower/higher altitudinal zones n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
lowlands4112484450244556399651144401
high altitude areas4153414342144124399338244071
total4121434245334213399343834231
© WSL, Swiss National Forest Inventory, 17.06.2020 #874369/340701
NFI4
stem number
lower/higher altitudinal zones
unit of reference: protection forest region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
lower/higher altitudinal zones n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
lowlands3882476447744497396653944231
high altitude areas4033422344444413435343344291
total3901437245734433428348434261
© WSL, Swiss National Forest Inventory, 17.06.2020 #874370/340702
NFI4
stem number
lower/higher altitudinal zones
unit of reference: protection forest region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
lower/higher altitudinal zones n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
lowlands3882477446844416385651544211
high altitude areas4054418343344183423340144171
total3911434244634233417345134191
© WSL, Swiss National Forest Inventory, 17.06.2020 #874371/340703
NFI4
stem number
lower/higher altitudinal zones
unit of reference: economic region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic region n/ha± % n/ha± % n/ha± %
Western Jura432340944222
Eastern Jura3684240.3674
Western Plateau4045381194025
Central Plateau3714369193714
Eastern Plateau3673301213663
Western Pre-Alps4261143364325
Central Pre-Alps454442444363
Eastern Pre-Alps455542854404
Northwestern Alps5981040054385
Central Alps605848585246
Northeastern Alps4431143484377
Southwestern Alps449744134433
Southeastern Alps396643534283
Southern Alps539443344843
Switzerland423142814261
© WSL, Swiss National Forest Inventory, 17.06.2020 #874372/340704
NFI4
stem number
lower/higher altitudinal zones
unit of reference: economic region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic region n/ha± % n/ha± % n/ha± %
Western Jura430340944212
Eastern Jura3775590373794
Western Plateau4025381194004
Central Plateau3704369193704
Eastern Plateau3693301213683
Western Pre-Alps4301043564345
Central Pre-Alps452442244333
Eastern Pre-Alps455542154364
Northwestern Alps597939054294
Central Alps543945484836
Northeastern Alps4361143274336
Southwestern Alps441641834233
Southeastern Alps385642334173
Southern Alps515440144513
Switzerland421141614181
© WSL, Swiss National Forest Inventory, 17.06.2020 #874373/340705
NFI4
stem number
lower/higher altitudinal zones
unit of reference: economic region
unit: n/ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
lower/higher altitudinal zones
lowlandshigh altitude areastotal
economic region n/ha± % n/ha± % n/ha± %
Western Jura432340644202
Eastern Jura3774590373794
Western Plateau4025386184004
Central Plateau3684369193684
Eastern Plateau3673301213663
Western Pre-Alps4201143464315
Central Pre-Alps454440944263
Eastern Pre-Alps459541554343
Northwestern Alps600938854274
Central Alps543945884846
Northeastern Alps4321040484126
Southwestern Alps434640234093
Southeastern Alps385641534113
Southern Alps507438844393
Switzerland420140714131
© WSL, Swiss National Forest Inventory, 17.06.2020 #874374/340706
NFI2
stem number
lower/higher altitudinal zones
unit of reference: production region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zones n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
lowlands457244325253489452444721
high altitude areas4173356104863405238344231
total444244025002423245034481
© WSL, Swiss National Forest Inventory, 17.06.2020 #874375/340707
NFI2
stem number
lower/higher altitudinal zones
unit of reference: production region
unit: n/ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zones n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
lowlands451244625273487350544701
high altitude areas404336894753396236844121
total434244324942415243234411
© WSL, Swiss National Forest Inventory, 17.06.2020 #874376/340708
NFI4
stem number
lower/higher altitudinal zones
unit of reference: production region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zones n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
lowlands410337524503457451544201
high altitude areas4114352134273420240144171
total411237524352427245134191
© WSL, Swiss National Forest Inventory, 17.06.2020 #874377/340709
NFI4
stem number
lower/higher altitudinal zones
unit of reference: production region
unit: n/ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
lower/higher altitudinal zones n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
lowlands411337424513454450744191
high altitude areas4084357134193410238844081
total410237324302419243934131
© WSL, Swiss National Forest Inventory, 17.06.2020 #874378/340710
NFI2
root mass of live trees (Zell, Wutzler)
conifers and broadleaves
unit of reference: canton
unit: 1000 kg/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
conifers and broadleaves
conifersbroadleavestotal
canton1000 kg/ha± %1000 kg/ha± %1000 kg/ha± %
AG22.0823.0645.04
AI47.21310.42357.610
AR56.81015.71772.58
BE44.3313.1557.42
BL/BS15.91533.5749.45
FR44.0514.91058.94
GE6.84739.31746.111
GL39.01417.61656.69
GR44.923.61048.52
JU28.7822.2750.94
LU47.0512.61259.64
NE39.269.91149.14
NW32.11517.91850.010
OW43.2910.81854.07
SG39.8618.8858.64
SH20.61322.61043.27
SO20.2924.9645.24
SZ42.8711.71354.55
TG30.81020.5951.46
TI14.9724.0838.95
UR44.2107.52051.77
VD32.7415.2547.93
VS41.033.21044.23
ZG36.51411.81948.310
ZH31.9618.8750.73
Switzerland36.0114.3250.31
© WSL, Swiss National Forest Inventory, 17.06.2020 #874379/340711
NFI3
root mass of live trees (Zell, Wutzler) divided by biomass of live trees
conifers and broadleaves
unit of reference: protection forest region
unit: % (cell total)
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
conifers and broadleaves %± %± %± %± %± %± %±
conifers22.20.123.10.123.30.226.30.225.00.226.40.323.70.1
broadleaves15.10.116.90.217.20.221.60.520.30.622.40.416.80.1
total18.50.121.40.121.20.225.80.224.60.224.20.221.10.1
© WSL, Swiss National Forest Inventory, 02.12.2020 #874380/340712
NFI1
total timber volume NFI1
ownership · conifers and broadleaves
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
ownershipconifers and broadleaves %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
publicconifers62.11.739.13.365.53.462.53.162.22.385.82.581.42.377.92.480.13.387.32.680.13.095.50.797.30.568.72.374.80.6
broadleaves37.91.760.93.334.53.437.53.137.82.314.22.518.62.322.12.419.93.312.72.619.93.04.50.72.70.531.32.325.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
privateconifers64.13.026.34.457.15.075.02.666.22.484.72.981.32.172.02.782.13.071.77.449.57.887.52.983.45.112.93.369.81.0
broadleaves35.93.073.74.442.95.025.02.633.82.415.32.918.72.128.02.717.93.028.37.450.57.812.52.916.65.187.13.330.21.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalconifers62.71.436.52.862.42.868.82.064.01.785.31.881.31.575.01.881.12.182.52.875.33.194.30.795.50.854.82.373.00.5
broadleaves37.31.463.52.837.62.831.22.036.01.714.71.818.71.525.01.818.92.117.52.824.73.15.70.74.50.845.22.327.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874381/340713
NFI1
total timber volume NFI1
ownership · tree state (alive/dead)
unit of reference: protection forest region
unit: 1000 m³
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
ownershiptree state (alive/dead)1000 m³± %1000 m³± %1000 m³± %1000 m³± %1000 m³± %1000 m³± %1000 m³± %
publicalive9645723501833016141944633411931821832334191
dead788971011428117981083584561140164
total9724523572833058932024533495431867432374351
privatealive59658340615317529536349473210504761312142
dead490115081224620752312125981615377
total60147341122317775537089485310514561327512
totalalive15611517563324769122308033885122326433646331
dead127771218867410873995775541055533
total15739217685124836422395333980822381833701861
© WSL, Swiss National Forest Inventory, 17.06.2020 #874382/340714
NFI4
forest area
processes in channels SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a3.3252.5290.6581.2411.0450.21008.815
crowded116.5421.9915.1116.0186.5177.616173.73
normal121.4320.11013.5122.8277.8165.818171.43
loose45.167.3164.5212.4298.3151.04568.75
open48.6611.5137.7166.51711.7134.92091.05
scattered16.31110.7136.61713.11211.4139.81467.85
grouped crowded3.8239.7146.0183.32410.0143.72336.67
grouped normal4.7216.8176.2181.6359.4143.32432.08
heterogeneous11.6138.2162.2303.2253.3241.24129.78
total371.3198.8462.4540.2669.5437.57679.61
inside perimetern/a0.4713.0251.6351.4382.1311.4389.914
crowded12.41227.4821.2912.4127.51635.27116.04
normal12.01320.6915.61010.4138.11521.6988.24
loose3.8239.4145.5197.0166.4177.11639.17
open4.32115.2116.11815.21112.91213.61167.35
scattered0.6586.0184.82010.0149.71410.31341.47
grouped crowded0.21006.8174.4212.6286.91710.41331.48
grouped normal0.4713.4243.8222.5288.8158.01526.98
heterogeneous1.8338.7151.0459.1144.7204.22229.48
total35.87100.5364.0470.4367.24111.63449.62
outside perimetern/a0.21000.4710.0.0.4710.6580.0.1.735
crowded7.7164.4222.6283.0250.6583.32521.510
normal6.2182.1322.3291.4383.7232.92618.610
loose2.2300.5701.0450.6583.3241.2418.815
open2.9261.0450.8502.6282.8270.47110.514
scattered0.6580.21000.4711.2412.0320.4714.820
grouped crowded0.0.0.4710.4710.21000.6580.6582.330
grouped normal0.21000.0.0.21000.4710.8500.4711.932
heterogeneous0.8500.4710.21000.8500.4710.0.2.628
total20.9109.4157.91510.51314.9119.11472.75
totaln/a3.9235.9182.2303.1263.7231.63520.410
crowded136.5353.7538.8621.4914.61146.15311.22
normal139.5342.7631.4714.51119.6930.37278.12
loose51.1617.21011.1139.91318.1109.314116.64
open55.9627.7814.61124.3827.4818.910168.83
scattered17.41116.91011.81224.3823.1920.59114.14
grouped crowded4.02216.91110.8136.11817.61014.71170.35
grouped normal5.31910.21410.2134.52119.01011.71360.96
heterogeneous14.11217.4103.42413.0128.4155.31961.76
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 17.06.2020 #874383/340715
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover of assured regeneration %± %± %± %± %± %± %±
n/aless than 1%9.70.65.61.011.51.73.91.35.01.12.71.28.10.4
1-4%12.70.717.21.718.82.113.92.419.02.115.02.614.70.6
5-9%15.00.818.71.716.52.019.32.720.62.122.33.116.80.6
10-25%27.01.029.32.025.02.437.33.431.02.429.23.328.20.7
26-50%16.70.820.11.817.32.115.42.515.11.923.33.117.30.6
51-75%11.90.77.11.17.51.48.92.06.21.36.51.89.80.5
76-100%7.00.62.00.63.31.01.50.83.00.91.10.85.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 1%7.31.85.20.99.21.53.30.910.01.65.40.96.40.5
1-4%9.82.113.81.419.12.017.91.922.72.216.81.516.90.7
5-9%15.22.519.81.717.02.023.12.118.42.024.71.720.60.8
10-25%35.13.334.92.026.52.333.72.427.12.331.71.931.60.9
26-50%19.02.716.41.515.81.916.61.916.31.913.01.315.70.7
51-75%9.32.07.91.19.31.54.41.14.61.17.01.07.00.5
76-100%4.41.42.00.63.20.90.80.40.80.41.40.51.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%11.43.02.02.09.74.67.63.614.83.92.22.19.01.5
1-4%13.13.212.04.613.25.118.35.219.74.414.95.215.31.8
5-9%11.43.020.85.624.86.629.26.220.34.427.06.420.32.0
10-25%22.93.938.46.833.97.330.46.232.15.135.36.930.72.3
26-50%25.54.113.54.813.75.29.23.99.63.210.44.415.21.8
51-75%11.43.07.63.74.73.23.42.42.31.66.23.56.51.2
76-100%4.41.95.73.20.0.2.01.91.21.24.12.83.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%9.50.65.20.710.31.13.90.88.21.04.70.77.50.3
1-4%12.50.715.21.118.61.416.71.420.81.416.31.215.60.4
5-9%14.90.719.41.217.31.422.41.619.61.424.31.518.50.5
10-25%27.50.932.61.426.21.634.61.929.41.631.31.629.60.6
26-50%17.30.817.91.116.41.415.61.415.11.215.11.216.60.5
51-75%11.60.77.50.88.21.05.80.95.10.86.80.98.50.3
76-100%6.70.52.20.43.00.61.10.41.80.51.50.43.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874384/340716
NFI4
forest area
processes in channels SilvaProtect · type of next treatment (interview survey)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
processes in channels SilvaProtecttype of next treatment (interview survey) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ano treatment7.61.732.713.426.39.020.51.97.33.213.93.126.314.541.38.767.82.515.33.411.52.56.12.354.112.645.07.021.03.91.61.615.33.048.15.64.02.175.43.857.88.317.62.075.63.35.45.26.31.627.40.7
tending17.22.00.0.6.84.711.41.511.02.918.73.231.615.96.44.44.61.114.53.310.82.24.31.76.46.310.94.312.83.23.92.711.42.52.81.916.73.00.80.70.0.13.91.75.51.813.56.712.72.010.50.5
thinning34.83.044.814.228.39.226.62.130.35.327.84.042.116.86.14.12.80.929.44.332.23.67.92.310.57.31.41.423.84.062.06.436.24.010.53.546.74.84.61.88.44.523.12.12.81.324.111.127.42.822.40.7
establishment cut11.42.06.05.916.37.011.51.511.63.719.63.40.0.0.0.9.91.614.13.215.62.73.71.86.05.910.84.514.33.34.82.612.82.717.74.413.03.51.51.10.0.15.01.82.21.10.0.6.21.610.60.5
removal cut6.61.60.0.4.94.93.60.94.92.47.42.40.0.0.0.1.20.68.02.62.91.31.51.112.48.53.62.62.71.50.0.3.91.61.51.58.92.91.51.10.0.5.91.21.10.80.0.2.61.13.70.3
plentering0.0.0.0.0.0.5.81.10.0.0.0.0.0.0.0.2.50.81.81.211.42.452.54.40.0.3.62.64.62.00.0.0.50.50.0.0.0.0.0.0.0.12.21.70.0.7.17.00.30.35.40.4
thinning of mountain forest0.0.0.0.0.0.7.91.20.0.2.71.30.0.24.17.88.11.50.0.12.32.60.0.6.05.924.76.23.61.80.0.0.0.18.14.40.0.5.21.931.37.90.50.48.12.17.17.00.0.4.90.4
coppice cut0.0.0.0.0.0.0.0.0.0.1.61.10.0.0.0.0.30.30.0.0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0.0.0.2.31.30.0.1.00.50.0.0.0.0.40.40.40.1
conversion0.80.60.0.0.0.1.40.61.51.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.3.61.20.60.1
transformation0.0.0.0.0.0.0.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
sanitary felling1.30.70.0.0.0.2.30.70.0.5.12.10.0.3.83.70.0.3.61.80.0.5.52.10.0.0.0.1.61.10.0.0.50.50.0.0.80.81.61.10.0.2.00.71.10.80.0.1.20.71.50.2
plentering in broadleaf forest17.32.416.510.77.85.66.01.125.85.00.0.0.0.18.36.40.0.0.0.0.60.62.11.20.0.0.0.8.72.725.95.818.23.21.41.47.52.60.0.0.0.0.20.20.0.42.812.836.03.17.90.4
tending of forest edge2.61.00.0.5.73.90.90.57.63.03.21.60.0.0.0.0.30.31.81.31.91.10.90.80.0.0.0.2.51.41.91.91.10.80.0.2.51.72.41.40.0.0.80.50.60.60.0.2.41.01.50.2
planting0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.10.0
agrosilvicultural treatments0.40.40.0.3.93.81.40.50.0.0.0.0.0.0.0.2.40.811.42.90.60.614.03.24.54.40.0.3.51.70.0.0.0.0.0.0.0.4.71.92.52.57.31.43.01.30.0.0.40.42.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno treatment..16.210.47.67.527.72.417.311.39.83.6..29.97.662.52.318.46.35.43.713.913.015.310.136.07.728.03.8..21.313.630.36.00.0.74.12.116.66.015.73.853.12.70.0.0.0.45.71.0
tending..8.17.918.211.47.61.40.0.6.63.2..10.75.14.61.08.34.613.45.50.0.37.011.713.15.19.72.5..0.0.14.24.59.18.70.0.9.24.310.63.22.90.96.46.318.316.55.70.5
thinning..25.610.828.414.111.71.831.315.112.04.1..0.0.4.41.024.77.127.47.211.911.30.0.9.94.921.63.4..17.011.26.43.148.813.45.61.112.35.114.13.63.91.012.98.218.316.59.10.6
establishment cut..5.95.838.114.07.21.420.012.914.44.3..0.0.10.61.527.27.310.85.113.913.00.0.6.04.011.42.6..12.311.413.94.50.0.2.90.82.52.533.44.99.81.60.0.0.0.9.40.6
removal cut..0.0.0.0.2.40.88.78.47.43.2..5.03.42.10.75.43.72.72.70.0.5.15.02.62.62.51.2..0.0.4.72.70.0.1.50.60.0.2.11.50.60.40.0.0.0.2.10.3
plentering..8.17.90.0.13.41.90.0.11.93.7..0.0.0.90.50.0.5.43.746.419.25.15.00.0.4.91.8..0.0.1.71.60.0.0.0.0.0.1.11.10.30.37.77.60.0.3.40.4
thinning of mountain forest..14.09.70.0.21.72.20.0.30.85.6..21.06.812.21.68.24.534.97.60.0.37.511.832.47.46.52.2..0.0.27.25.70.0.10.81.556.98.016.93.926.02.30.0.0.0.17.80.8
coppice cut..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.2.70.80.0.2.11.50.20.20.0.0.0.0.70.2
conversion..8.17.90.0.1.30.60.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.7..0.0.0.0.0.0.0.70.40.0.0.0.0.0.17.911.60.0.0.50.2
transformation..0.0.0.0.0.0.0.0.1.31.3..0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.13.412.80.10.1
sanitary felling..0.0.0.0.0.90.50.0.2.92.0..0.0.0.0.2.42.40.0.0.0.0.0.0.0.1.91.1..0.0.0.0.5.75.60.90.40.0.3.01.71.10.60.0.0.0.0.90.2
plentering in broadleaf forest..14.09.77.67.52.50.922.713.90.0...30.87.70.20.20.0.0.0.13.913.00.0.0.0.10.52.5..41.516.10.0.36.413.50.0.0.0.0.0.0.0.55.114.150.020.72.70.3
tending of forest edge..0.0.0.0.1.90.80.0.1.41.4..2.52.50.70.40.0.0.0.0.0.0.0.0.0.1.30.9..0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.60.2
planting..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments..0.0.0.0.1.80.70.0.1.51.5..0.0.1.60.65.43.80.0.0.0.0.0.0.0.0.80.8..7.97.71.71.70.0.0.70.42.52.51.01.02.00.80.0.0.0.1.40.2
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno treatment..100.0.0.0.18.64.822.214.226.521.7..16.410.546.45.527.09.60.0.6.16.00.0.36.621.631.514.60.0.23.320.20.0...49.68.629.718.16.56.342.56.80.0...31.32.5
tending..0.0.0.0.12.64.10.0.0.0...0.0.9.03.29.06.00.0.7.26.90.0.41.021.99.38.90.0.0.0.0.0...2.72.719.017.121.711.02.12.10.0...7.81.4
thinning..0.0.65.121.018.24.826.415.736.421.3..0.0.4.72.318.58.466.627.36.16.00.0.0.0.16.811.0100.0.15.014.311.511.0..6.24.20.0.7.97.68.93.80.0...12.11.7
establishment cut..0.0.34.921.020.25.09.69.318.216.8..0.0.20.64.522.89.00.0.9.69.066.728.50.0.25.512.90.0.23.320.230.118.0..2.82.70.0.27.111.78.73.70.0...15.91.9
removal cut..0.0.0.0.3.02.122.214.20.0...0.0.2.61.89.16.10.0.0.0.0.0.0.0.0.0.0.0.0.0.15.514.1..2.82.70.0.6.96.70.0.0.0...3.20.9
plentering..0.0.0.0.7.43.20.0.0.0...0.0.2.31.60.0.0.0.57.813.60.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0...4.01.0
thinning of mountain forest..0.0.0.0.13.74.30.0.0.0...35.514.613.33.713.67.333.427.313.28.933.328.522.419.60.0.0.0.0.0.42.818.8..29.87.951.320.915.810.131.96.40.0...18.72.1
coppice cut..0.0.0.0.0.0.0.0.0.0...0.0.1.11.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...6.24.20.0.0.0.0.0.0.0...0.90.5
conversion..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.7.26.90.0.0.0...0.30.3
transformation..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.
sanitary felling..0.0.0.0.3.22.29.69.30.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.6.96.70.0.0.0...1.10.6
plentering in broadleaf forest..0.0.0.0.1.61.60.0.19.017.2..48.215.20.0.0.0.0.0.0.0.0.0.0.0.16.811.00.0.38.322.20.0...0.0.0.0.0.0.0.0.100.0...3.41.0
tending of forest edge..0.0.0.0.0.0.9.89.40.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.1.81.80.0...0.50.4
planting..0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0...0.0.
agrosilvicultural treatments..0.0.0.0.1.41.40.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.4.02.80.0...0.80.5
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
totalno treatment7.61.727.48.618.96.323.21.49.83.212.92.426.314.532.55.163.11.617.42.910.32.26.52.134.48.340.75.025.22.71.51.515.92.938.34.03.61.873.01.835.45.116.91.758.92.03.13.16.21.534.60.6
tending17.22.03.93.98.94.110.01.08.82.314.32.331.615.97.53.05.00.712.52.411.12.04.41.618.86.413.43.211.01.93.82.610.42.37.42.215.82.80.30.26.02.613.51.53.60.810.34.212.82.08.50.3
thinning34.83.033.78.832.27.220.11.430.14.722.93.042.116.82.41.73.80.627.03.431.83.17.92.15.43.95.02.322.42.563.16.334.33.88.82.447.04.45.40.99.62.921.01.84.00.818.97.327.12.816.80.5
establishment cut11.42.05.73.823.65.710.51.012.33.417.92.60.0.0.0.11.31.118.02.914.62.34.71.87.44.28.22.713.22.04.62.613.12.716.83.011.43.22.60.71.21.218.91.77.41.10.0.6.01.610.50.4
removal cut6.61.60.0.3.23.23.10.67.02.67.21.90.0.2.31.61.80.47.62.02.91.21.30.98.55.03.01.72.50.90.0.3.51.43.51.57.82.61.60.50.0.5.21.00.70.30.0.2.51.03.10.2
plentering0.0.3.93.90.0.9.01.00.0.3.81.20.0.0.0.1.70.41.20.810.22.152.74.02.12.11.81.34.61.30.0.0.50.50.70.70.0.0.0.0.0.9.71.30.20.27.15.10.30.34.50.2
thinning of mountain forest0.0.6.84.90.0.13.81.10.0.11.72.10.0.24.34.910.61.03.51.416.52.51.20.921.06.327.94.65.01.40.0.0.0.23.13.50.0.10.71.345.45.64.10.921.11.74.14.00.0.10.60.4
coppice cut0.0.0.0.0.0.0.0.0.0.1.10.70.0.0.0.0.20.20.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.2.80.70.0.1.20.50.10.10.0.0.40.40.50.1
conversion0.80.63.93.90.0.1.20.41.21.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.50.0.0.0.0.0.0.0.0.50.30.0.0.40.30.0.7.15.13.51.20.60.1
transformation0.0.0.0.0.0.0.20.20.0.0.40.40.0.0.0.0.10.10.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.10.0
sanitary felling1.30.70.0.0.0.1.80.50.90.94.31.50.0.1.51.50.0.2.91.30.0.4.81.80.0.0.0.1.70.70.0.0.50.50.0.1.41.01.00.40.0.2.40.71.00.40.0.1.20.71.30.1
plentering in broadleaf forest17.32.414.67.06.94.14.30.723.04.30.50.50.0.28.34.90.10.10.0.0.50.52.41.20.0.0.0.10.01.825.15.720.43.20.70.710.93.00.0.0.0.0.20.20.0.49.59.336.43.15.60.3
tending of forest edge2.61.00.0.3.72.61.20.47.02.62.51.10.0.1.21.20.50.21.20.81.60.90.70.70.0.0.0.1.80.81.91.91.00.70.0.2.21.50.70.30.0.0.60.40.30.20.0.2.41.01.10.1
planting0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.00.0
agrosilvicultural treatments0.40.40.0.2.52.51.50.40.0.0.50.50.0.0.0.1.80.58.72.10.50.512.02.72.32.30.0.1.90.90.0.0.50.50.70.70.0.1.50.52.31.65.91.12.50.70.0.0.40.42.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874385/340717
NFI3
forest area
processes in channels SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/a0-20%0.90.21.70.72.00.92.61.53.51.22.01.41.50.2
21-40%1.50.35.01.17.21.616.93.47.21.64.82.13.80.4
41-60%3.70.412.41.612.52.122.53.820.52.510.73.08.20.5
61-80%8.80.722.02.021.82.625.74.028.02.831.34.614.90.6
over 80%85.10.858.82.456.53.032.34.140.83.051.25.071.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.2.40.73.11.01.00.62.10.81.50.61.80.3
21-40%0.0.3.00.82.50.95.21.29.71.71.90.63.70.4
41-60%2.31.19.11.38.41.616.22.023.22.55.71.010.80.7
61-80%7.72.022.41.916.72.226.02.431.12.719.31.821.40.9
over 80%90.12.263.02.169.32.651.62.733.92.771.62.062.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.4.53.10.0.3.82.71.51.50.0.1.50.6
21-40%0.90.92.22.22.52.51.91.91.61.60.0.1.50.6
41-60%2.91.66.53.75.53.812.34.711.03.92.42.46.51.3
61-80%13.53.411.24.718.56.323.35.935.66.018.46.319.92.2
over 80%82.73.775.56.473.57.158.66.950.36.279.16.670.62.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.22.20.52.40.61.70.62.60.71.50.51.60.2
21-40%1.40.33.90.64.50.97.81.27.81.12.20.63.60.3
41-60%3.50.410.41.010.01.217.41.720.81.66.31.09.00.4
61-80%8.90.621.71.319.01.625.71.930.31.921.21.617.70.5
over 80%85.40.761.81.564.11.847.52.238.51.968.71.868.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874386/340718
NFI4
forest area
rockfall SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a0.30.21.20.31.40.40.60.20.10.10.80.1
crowded24.31.429.21.312.01.05.50.54.70.814.40.4
normal24.21.332.01.412.71.04.50.53.60.714.60.4
loose9.00.911.71.03.40.64.00.50.50.35.80.3
open11.71.011.30.96.30.75.90.52.70.67.60.3
scattered4.50.72.70.53.90.67.10.65.50.85.00.3
grouped crowded1.30.40.50.23.10.54.50.51.90.52.60.2
grouped normal1.30.40.90.33.10.53.90.51.40.42.40.2
heterogeneous4.40.61.40.32.90.52.40.40.80.32.40.2
total80.91.290.90.848.91.538.41.121.31.555.60.6
inside perimetern/a0.0.0.10.10.0.0.10.10.0.0.10.0
crowded1.00.30.0.0.20.11.60.32.90.61.10.1
normal0.70.30.0.0.30.21.40.32.00.50.90.1
loose0.0.0.0.0.10.10.50.20.30.20.20.1
open0.10.10.0.0.10.10.70.20.40.20.30.1
scattered0.0.0.0.0.0.0.50.20.70.30.20.1
grouped crowded0.0.0.0.0.0.0.30.10.50.30.20.1
grouped normal0.10.10.0.0.0.0.20.10.40.20.10.0
heterogeneous0.0.0.0.0.10.10.40.20.10.10.20.1
total1.90.40.10.10.80.35.60.57.20.93.20.2
outside perimetern/a0.0.0.20.11.40.41.60.30.90.30.90.1
crowded5.80.73.10.515.21.110.50.722.61.510.70.4
normal5.60.72.90.510.40.99.50.714.21.38.30.4
loose2.30.50.80.35.50.75.00.55.00.83.80.2
open2.20.51.20.36.80.810.30.78.71.06.30.3
scattered0.30.20.30.23.10.56.80.66.10.83.60.2
grouped crowded0.0.0.10.12.60.54.00.56.50.92.60.2
grouped normal0.20.10.0.1.90.44.10.55.10.82.30.2
heterogeneous0.80.30.40.23.40.64.10.52.50.62.50.2
total17.31.29.00.850.41.555.91.171.41.641.20.6
totaln/a0.30.21.50.42.80.52.40.41.00.41.80.2
crowded31.01.532.31.427.41.317.60.930.21.626.20.6
normal30.51.434.91.423.41.315.40.819.81.423.80.5
loose11.31.012.51.09.00.99.50.75.80.89.80.4
open14.01.112.51.013.31.016.90.911.81.214.20.5
scattered4.80.73.00.57.00.814.40.812.21.18.90.4
grouped crowded1.30.40.60.25.70.78.80.78.91.05.40.3
grouped normal1.60.40.90.35.00.78.20.66.90.94.90.3
heterogeneous5.20.71.80.46.40.86.90.63.40.75.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874387/340719
NFI4
forest area
rockfall SilvaProtect · cause of salvage logging
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectcause of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a68.11.773.92.976.12.869.32.478.01.836.23.544.32.342.92.730.92.943.34.725.63.823.21.939.42.015.51.447.80.6
insects5.30.83.11.25.61.56.61.36.01.01.20.94.71.01.70.72.00.91.01.02.31.30.20.20.50.30.0.3.00.2
fungi0.60.31.40.80.80.61.40.62.70.70.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.60.1
windthrow1.90.55.81.63.91.34.81.14.10.91.41.00.60.31.30.61.20.70.90.90.0.0.60.30.60.30.50.31.90.2
snow load0.0.0.90.60.80.61.90.72.00.60.0.0.40.31.60.70.0.0.0.0.60.60.40.31.20.40.20.20.70.1
avalanches0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
landslides0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.40.40.0.0.0.0.0.0.0.0.0.0.0.0.10.0
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality2.40.62.71.11.30.72.30.81.10.40.0.0.0.0.50.40.0.0.0.0.0.0.20.20.0.0.20.20.80.1
others0.0.0.50.50.80.60.0.0.50.30.0.0.0.0.0.0.40.40.0.0.0.0.20.20.0.0.0.0.10.1
total78.31.588.22.289.42.186.31.894.31.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.00.6
inside perimetern/a2.20.50.0.0.0.0.30.30.0.0.40.40.80.40.90.55.91.511.23.111.12.86.71.12.20.67.81.13.10.2
insects0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.20.90.0.0.0.0.0.0.10.0
fungi0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
windthrow0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.90.90.0.0.0.0.20.20.0.0.10.0
snow load0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
avalanches0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
landslides0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.01.00.0.0.0.0.0.0.0.0.00.0
others0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.90.56.31.513.13.312.32.96.91.12.40.67.81.13.20.2
outside perimetern/a17.81.48.11.89.31.911.51.75.10.955.43.644.02.342.82.752.43.237.94.655.74.364.32.152.02.073.61.838.50.6
insects0.60.30.90.60.40.41.10.50.0.2.21.12.90.82.80.92.00.90.90.92.41.40.0.1.00.40.50.31.10.1
fungi0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.00.0
windthrow0.50.30.40.40.90.60.30.30.20.22.61.21.20.51.80.84.41.30.90.91.20.91.40.51.50.50.50.31.10.1
snow load0.10.10.90.60.0.0.0.0.0.0.0.0.40.31.80.80.0.1.01.00.0.1.50.51.30.50.90.40.60.1
avalanches0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.30.20.10.0
landslides0.0.0.0.0.0.0.20.20.40.30.70.70.0.0.30.30.0.1.01.00.0.0.0.0.0.0.0.0.10.0
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality0.40.20.40.40.0.0.30.30.0.0.0.0.20.20.60.40.40.40.0.0.0.0.80.40.0.0.0.0.20.1
others0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
total19.41.411.22.110.62.113.41.85.71.060.93.648.82.350.52.759.23.141.74.859.34.368.42.055.92.075.81.741.80.6
totaln/a88.11.281.92.685.42.381.12.183.11.691.92.189.11.486.61.989.22.092.52.692.32.394.21.193.61.097.00.789.40.4
insects5.90.94.61.56.01.67.71.46.01.03.41.47.61.24.51.14.01.21.91.35.82.10.20.21.60.50.50.34.10.3
fungi0.60.31.80.90.80.61.40.62.70.70.0.0.0.0.60.40.0.0.0.0.0.0.0.0.0.0.0.0.60.1
windthrow2.50.66.31.64.81.45.11.24.30.94.01.51.80.63.11.06.01.52.61.51.20.92.00.62.30.61.00.43.00.2
snow load0.10.11.80.90.80.61.90.72.00.60.0.0.80.43.41.00.0.1.01.00.60.61.90.62.50.61.10.41.40.2
avalanches0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.30.20.10.0
landslides0.0.0.0.0.0.0.20.20.40.30.70.70.40.30.70.50.0.1.01.00.0.0.0.0.0.0.0.0.20.1
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality2.80.63.11.11.30.72.60.81.10.40.0.0.20.21.20.60.40.41.01.00.0.1.00.50.0.0.20.21.10.1
others0.0.0.50.50.80.60.0.0.50.30.0.0.0.0.0.0.40.40.0.0.0.0.40.30.0.0.0.0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874388/340720
NFI4
forest area
rockfall SilvaProtect · stand stability
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juracritical1.9310.0.0.4712.329
less stable37.261.7339.91448.75
stable79.641.73318.21099.53
total118.623.42328.47150.51
Eastern Juracritical0.9500.0.0.0.0.950
less stable15.790.31001.83317.89
stable24.670.0.3.32427.96
total41.230.31005.11946.62
Western Plateaucritical1.3410.0.0.0.1.341
less stable18.490.0.2.13120.58
stable24.470.0.2.92627.36
total44.130.0.5.01949.12
Central Plateaucritical1.4370.0.0.21001.635
less stable25.570.21004.42030.16
stable32.960.0.4.62037.55
total59.730.21009.21369.11
Eastern Plateaucritical3.3240.0.0.21003.523
less stable43.250.0.3.92247.15
stable55.140.0.1.93157.04
total101.610.0.6.018107.61
Western Pre-Alpscritical1.6380.0.0.5582.132
less stable9.2140.0.13.41122.57
stable6.8160.210011.71218.79
total17.690.210025.6743.33
Central Pre-Alpscritical3.3240.0.3.7237.116
less stable22.890.47124.1847.25
stable25.180.47119.6945.15
total51.250.85047.4599.42
Eastern Pre-Alpscritical1.7350.0.2.7284.421
less stable16.6100.210017.5934.36
stable17.8100.47115.41033.76
total36.160.65835.6672.32
Northwestern Alpscritical1.2410.0.2.1313.425
less stable14.0112.13116.11032.26
stable8.5151.43813.51123.38
total23.783.52431.7658.93
Central Alpscritical1.4370.4710.8502.627
less stable5.6172.2305.31713.110
stable5.1190.8503.9219.712
total12.1113.3249.91125.44
Northeastern Alpscritical1.0450.21000.9442.030
less stable5.0191.73310.11216.89
stable3.5231.4386.01611.011
total9.5133.32417.0829.85
Southwestern Alpscritical3.6230.7506.81611.213
less stable12.8123.32434.6650.85
stable17.8102.92631.1751.85
total34.377.01672.53113.82
Southeastern Alpscritical5.4190.4715.81811.613
less stable23.491.83331.4756.65
stable34.771.53538.4674.64
total63.553.82375.64142.82
Southern Alpscritical2.2301.2417.11610.513
less stable14.1116.81761.8582.74
stable15.8112.82738.2656.85
total32.0710.813107.13150.02
Switzerlandcritical30.183.02631.3864.35
less stable263.6220.610236.43520.62
stable351.5213.512208.63573.71
total645.2137.17476.311158.51
© WSL, Swiss National Forest Inventory, 17.06.2020 #874389/340721
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