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NFI3
forest area by natural hazard divided by forest area
natural hazard
unit of reference: biogeographical region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.0.
rockfall921171101619170
avalanche1220.211322262121191
landslide/mudflow503213161282232211221
processes in channels523843911882802931861
total..............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207590/193860
NFI3
forest area by natural hazard divided by forest area
natural hazard
unit of reference: canton
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
natural hazard
no natural hazardrockfallavalanchelandslide/mudflowprocesses in channelstotal
canton %± %± %± %± %± %±
AG0.0.0.100.0...
AI0.0.209107953..
AR0.0.11750126711..
BE0.51172182852..
BL/BS0.1060.38115711..
FR0.118393933..
GE............
GL0.235416205805..
GR0.71232212841..
JU0.10483245656..
LU0.0.74125934..
NE0.44238739319..
NW0.1373510178877..
OW0.63195155894..
SG0.62122132932..
SH0.0.0.100.0...
SO0.22106567116711..
SZ0.52134144903..
TG0.0.0.1910100...
TI0.81101212931..
UR0.346406376854..
VD0.32254304863..
VS0.91312282882..
ZG0.0.7777935..
ZH0.0.0.25157515..
Switzerland0.70191221861..
© WSL, Swiss National Forest Inventory, 12.02.2016 #207591/193861
NFI3
forest area by natural hazard divided by forest area
natural hazard
unit of reference: production region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.
rockfall10211211019170
avalanche12211121291111191
landslide/mudflow483274111241211221
processes in channels543764931861931861
total............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207592/193862
NFI3
forest area by natural hazard divided by forest area
natural hazard
unit of reference: protection forest region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.0.
rockfall614111191519170
avalanche81192212312252111191
landslide/mudflow403141182282212211221
processes in channels623921891882822931861
total..............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207593/193863
NFI3
forest area by natural hazard divided by forest area
natural hazard
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2004/06
natural hazard
no natural hazardrockfallavalanchelandslide/mudflowprocesses in channelstotal
economic region %± %± %± %± %± %±
Western Jura0.93154465565..
Eastern Jura0.770.71122912..
Western Plateau0.0.0.17118311..
Central Plateau0.540.41105511..
Eastern Plateau0.0.0.2911829..
Western Pre-Alps0.11124134874..
Central Pre-Alps0.3215382962..
Eastern Pre-Alps0.3272204883..
Northwestern Alps0.123284224873..
Central Alps0.277388328876..
Northeastern Alps0.165296226845..
Southwestern Alps0.112343353872..
Southeastern Alps0.31233223813..
Southern Alps0.102122222922..
Switzerland0.81191251851..
© WSL, Swiss National Forest Inventory, 12.02.2016 #207594/193864
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: protection forest region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.0.
rockfall62611221125110281
avalanche92192203323243112191
landslide/mudflow444142223333233222241
processes in channels584912882882803921851
total..............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207595/193865
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: production region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.
rockfall83222111110281
avalanche12322112282112191
landslide/mudflow505316132262222241
processes in channels525716922851921851
total............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207596/193866
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: canton
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
natural hazard
no natural hazardrockfallavalanchelandslide/mudflowprocesses in channelstotal
canton %± %± %± %± %± %±
AG0.0.0.100.0...
AI0.0.30151010909..
AR0.0.101060167015..
BE0.72183233823..
BL/BS0.990.55154515..
FR0.0.6484944..
GE............
GL0.258348258787..
GR0.82222222822..
JU0.10675177708..
LU0.0.14744964..
NE0.0.201073113312..
NW0.1312381713128812..
OW0.75248146906..
SG0.63113194913..
SH0.0.0.100.0...
SO0.33190.50216719..
SZ0.94206155914..
TG0.0.0.2013100...
TI0.8292222932..
UR0.308338328846..
VD0.32205316835..
VS0.112323333882..
ZG0.0.0.1111100...
ZH0.0.0.25227522..
Switzerland0.81191241851..
© WSL, Swiss National Forest Inventory, 12.02.2016 #207597/193867
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: biogeographical region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.0.
rockfall8332811226210281
avalanche1230.202323253112191
landslide/mudflow525245172333253222241
processes in channels505805901872783921851
total..............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207598/193868
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
natural hazard
no natural hazardrockfallavalanchelandslide/mudflowprocesses in channelstotal
economic region %± %± %± %± %± %±
Western Jura0.93154465565..
Eastern Jura0.770.71122912..
Western Plateau0.0.0.17118311..
Central Plateau0.540.41105511..
Eastern Plateau0.0.0.2911829..
Western Pre-Alps0.11124134874..
Central Pre-Alps0.3215382962..
Eastern Pre-Alps0.3272204883..
Northwestern Alps0.123284224873..
Central Alps0.277388328876..
Northeastern Alps0.165296226845..
Southwestern Alps0.112343353872..
Southeastern Alps0.31233223813..
Southern Alps0.102122222922..
Switzerland0.81191251851..
© WSL, Swiss National Forest Inventory, 12.02.2016 #207599/193869
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.0.
rockfall72611121123110281
avalanche82192193343233122191
landslide/mudflow434142233353223222251
processes in channels584912872872813922851
total..............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207600/193870
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.
rockfall93223110110281
avalanche1330.112292122191
landslide/mudflow505316132272222251
processes in channels525716912851922851
total............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207601/193871
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
natural hazard
no natural hazardrockfallavalanchelandslide/mudflowprocesses in channelstotal
canton %± %± %± %± %± %±
AG0.0.0.100.0...
AI0.0.30151010909..
AR0.0.101060167015..
BE0.72193233813..
BL/BS0.10100.60164016..
FR0.0.7494934..
GE............
GL0.2793810319739..
GR0.62223223832..
JU0.10675177708..
LU0.0.9654954..
NE0.0.211171123613..
NW0.1414431914148613..
OW0.85198157886..
SG0.52124204893..
SH0.0.0.100.0...
SO0.33190.50216719..
SZ0.74156125905..
TG0.0.0.2013100...
TI0.92102223922..
UR0.289329369867..
VD0.43195286835..
VS0.112343353872..
ZG0.0.0.1111100...
ZH0.0.0.25227522..
Switzerland0.81191251851..
© WSL, Swiss National Forest Inventory, 12.02.2016 #207602/193872
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: biogeographical region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.0.
rockfall9332711324210281
avalanche1230.202353243132191
landslide/mudflow525245182353243222251
processes in channels505805901863783922851
total..............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207603/193873
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: biogeographical region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.0.
rockfall8332711225210281
avalanche1230.202333253122191
landslide/mudflow525245182333253222251
processes in channels505805901862783921851
total..............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207604/193874
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
natural hazard
no natural hazardrockfallavalanchelandslide/mudflowprocesses in channelstotal
economic region %± %± %± %± %± %±
Western Jura0.93144465565..
Eastern Jura0.770.71122912..
Western Plateau0.0.0.17118311..
Central Plateau0.540.41105511..
Eastern Plateau0.0.0.2911829..
Western Pre-Alps0.11124144884..
Central Pre-Alps0.3215382962..
Eastern Pre-Alps0.3272194893..
Northwestern Alps0.123274224873..
Central Alps0.277378358885..
Northeastern Alps0.154296215854..
Southwestern Alps0.112323343872..
Southeastern Alps0.41233223813..
Southern Alps0.102122222922..
Switzerland0.81191241851..
© WSL, Swiss National Forest Inventory, 12.02.2016 #207605/193875
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.0.
rockfall62611121124110281
avalanche82192193323233122191
landslide/mudflow444142233343223222241
processes in channels584912882872813922851
total..............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207606/193876
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: economic region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
natural hazard
no natural hazardrockfallavalanchelandslide/mudflowprocesses in channelstotal
economic region %± %± %± %± %± %±
Western Jura0.93144475555..
Eastern Jura0.770.71122912..
Western Plateau0.0.0.17118311..
Central Plateau0.445539105710..
Eastern Plateau0.0.0.2911829..
Western Pre-Alps0.11124134884..
Central Pre-Alps0.3115372962..
Eastern Pre-Alps0.3172194893..
Northwestern Alps0.123284234873..
Central Alps0.276417316875..
Northeastern Alps0.175265205874..
Southwestern Alps0.112323333882..
Southeastern Alps0.51243233803..
Southern Alps0.102112222921..
Switzerland0.81191241851..
© WSL, Swiss National Forest Inventory, 12.02.2016 #207607/193877
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
natural hazard
no natural hazardrockfallavalanchelandslide/mudflowprocesses in channelstotal
canton %± %± %± %± %± %±
AG0.0.0.100.0...
AI0.0.30151010909..
AR0.0.101060167015..
BE0.82193233813..
BL/BS0.990.55154515..
FR0.0.6494944..
GE............
GL0.258399299758..
GR0.72222212832..
JU0.10675177708..
LU0.0.9654954..
NE0.0.211171123613..
NW0.1312381713128812..
OW0.85198157886..
SG0.42113194903..
SH0.0.0.100.0...
SO0.33190.50216719..
SZ0.74145125905..
TG0.0.0.2013100...
TI0.82102233932..
UR0.308339409876..
VD0.42195306825..
VS0.112323343872..
ZG0.0.0.1111100...
ZH0.0.0.25227522..
Switzerland0.81191241851..
© WSL, Swiss National Forest Inventory, 12.02.2016 #207608/193878
NFI4b
forest area by natural hazard divided by forest area
natural hazard
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
restriction: protection forest perimeter SilvaProtect [1773] = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
natural hazard %± %± %± %± %± %±
no natural hazard0.0.0.0.0.0.
rockfall93223110110281
avalanche1230.112282122191
landslide/mudflow505316132272222251
processes in channels525716912851922851
total............
© WSL, Swiss National Forest Inventory, 12.02.2016 #207609/193879

NFI1–NFI3

change in normal forest area: altitude (400 m classes) · production region
unit: %
unit of evaluation: total area
grid: 1.4 x 1.4 km grid
change 1983/85–2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitude (400 m classes)%±%±%±%±%±%±
above 1800 m....16.718.019.63.2105.023.029.83.7
1401-1800 m23.513.10.0.17.83.914.62.025.04.617.01.6
1001-1400 m5.21.8-9.16.14.01.210.61.816.93.48.00.9
601-1000 m1.70.91.80.80.01.13.22.15.93.02.00.6
to 600 m-0.41.00.60.75.33.822.49.86.63.61.80.7
total2.60.70.90.64.60.912.61.120.12.17.80.5

difference, calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 05.10.2012 #24410/13935

NFI1–NFI3

change in normal forest area: altitude (400 m classes) · biogeographical region
unit: %
unit of evaluation: total area
grid: 1.4 x 1.4 km grid
change 1983/85–2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitude (400 m classes)%±%±%±%±%±%±%±
above 1800 m....44.819.916.04.717.94.1102.522.029.83.6
1401-1800 m16.08.6..18.22.78.73.115.13.425.04.517.01.6
1001-1400 m4.71.70.0.7.01.28.54.38.53.617.03.58.10.9
601-1000 m1.50.91.60.70.61.36.15.08.64.55.33.12.00.6
to 600 m-1.11.40.90.713.26.012.513.3..6.63.61.80.7
total2.40.81.20.58.40.910.22.014.12.020.02.17.90.5

difference, calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 05.10.2012 #24411/13936

NFI1–NFI3

change in normal forest area: altitude (400 m classes) · economic region
unit: %
unit of evaluation: total area
grid: 1.4 x 1.4 km grid
change 1983/85–2004/06
altitude (400 m classes)
above 1800 m1401-1800 m1001-1400 m601-1000 mto 600 mtotal
economic region%±%±%±%±%±%±
Western Jura..23.613.15.31.81.11.0-1.02.22.90.9
Eastern Jura....0.0.4.22.50.10.91.41.0
Western Plateau..0.0.-8.38.02.91.84.93.53.01.6
Central Plateau....-20.918.51.30.90.0.0.30.6
Eastern Plateau....0.0.1.21.50.01.00.40.8
Western Pre-Alps100.0141.712.65.73.62.34.74.6..6.72.2
Central Pre-Alps0.0.18.45.73.11.7-1.91.30.0.3.31.2
Eastern Pre-Alps..26.911.45.42.61.21.89.16.75.31.6
Northwestern Alps50.236.617.34.710.64.10.14.728.122.613.32.9
Central Alps0.0.25.412.319.46.43.28.914.326.515.74.8
Northeastern Alps0.0.10.49.613.14.9-1.93.051.945.07.93.2
Southwestern Alps15.94.610.33.08.93.97.84.713.310.011.01.9
Southeastern Alps20.54.315.73.27.42.95.23.933.338.513.91.8
Southern Alps105.023.025.04.616.93.45.93.06.63.620.12.1
Switzerland29.73.616.91.68.10.92.00.61.80.77.80.5

difference, calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 05.10.2012 #24412/13937

NFI1–NFI3

change in normal forest area: altitudinal vegetation zone · production region
unit: %
unit of evaluation: total area
grid: 1.4 x 1.4 km grid
change 1983/85–2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zone%±%±%±%±%±%±
upper subalpine....20.021.921.04.081.617.932.34.4
lower subalpine11.14.0-8.38.013.02.614.82.032.36.715.61.5
upper montane4.71.9-4.24.13.31.211.61.919.63.58.81.0
lower montane0.30.92.61.00.41.42.32.211.24.52.20.7
colline/submontane0.91.00.40.70.01.910.63.94.62.41.90.6
total2.60.70.90.64.60.912.61.120.12.17.80.5

difference, calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 05.10.2012 #24413/13940
search result: 155765 entries on 6491 pages

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