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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · canton
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton %± %± %±
AG..100.0.100.0.
AI30.014.970.014.6100.0.
AR10.09.790.09.7100.0.
BE18.32.681.72.6100.0.
BL/BS..100.0.100.0.
FR6.33.593.73.5100.0.
GE......
GL34.28.465.88.4100.0.
GR22.52.477.52.4100.0.
JU6.74.693.34.2100.0.
LU13.87.486.27.3100.0.
NE20.010.480.010.3100.0.
NW37.517.562.517.4100.0.
OW23.77.976.37.9100.0.
SG10.53.289.53.2100.0.
SH..100.0.100.0.
SO..100.0.100.0.
SZ19.65.980.45.9100.0.
TG..100.0.100.0.
TI9.21.790.81.7100.0.
UR32.67.867.47.8100.0.
VD20.45.379.65.3100.0.
VS31.73.068.33.0100.0.
ZG..100.0.100.0.
ZH..100.0.100.0.
Switzerland18.71.081.31.0100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #171161/157544

NFI2

forest area: stand stability · regeneration cover · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
stand stability
n/acriticalless stablestabletotal
cantonregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
AIn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
ARn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
BEn/a..........
< 1%..........
1-9%....1.0580.7711.745
10-25%..0.31001.4501.0582.735
26-50%....0.3100..0.3100
51-75%....0.31000.31000.771
76-100%..........
total..0.31003.1332.1415.525
BL/BSn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%......0.41000.4100
total......0.41000.4100
FRn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
GEn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
GLn/a..........
< 1%..0.4100....0.4100
1-9%....0.4100..0.4100
10-25%....1.2570.41001.549
26-50%..........
51-75%..........
76-100%..0.4100....0.4100
total..0.8701.5490.41002.736
GRn/a..........
< 1%....0.31000.31000.771
1-9%..0.41000.7711.0582.141
10-25%......1.4501.450
26-50%....0.7710.31001.058
51-75%..........
76-100%..........
total..0.41001.7453.1335.226
JUn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%......0.8700.870
51-75%..........
76-100%......0.41000.4100
total......1.2571.257
LUn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
NEn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
NWn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%......0.41000.4100
51-75%..........
76-100%..........
total......0.41000.4100
OWn/a..........
< 1%..........
1-9%....0.4100..0.4100
10-25%..........
26-50%..........
51-75%..........
76-100%....0.4100..0.4100
total....0.770..0.770
SGn/a..........
< 1%..........
1-9%..0.4100..0.41000.770
10-25%....0.4100..0.4100
26-50%....0.4100..0.4100
51-75%..........
76-100%..........
total..0.41000.7700.41001.450
SHn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
SOn/a..........
< 1%......0.41000.4100
1-9%..........
10-25%..........
26-50%....0.4100..0.4100
51-75%..........
76-100%..........
total....0.41000.41000.870
SZn/a..........
< 1%..........
1-9%....0.4100..0.4100
10-25%..........
26-50%......0.41000.4100
51-75%..0.4100....0.4100
76-100%..........
total..0.41000.41000.41001.157
TGn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
TIn/a0.4100......0.4100
< 1%......0.41000.4100
1-9%....0.41000.41000.771
10-25%..0.41001.8440.7712.935
26-50%..0.41001.1580.41001.844
51-75%..0.41000.771..1.158
76-100%..........
total0.41001.1583.9301.8447.222
URn/a..........
< 1%..........
1-9%..1.0570.770..1.743
10-25%....0.31000.31000.770
26-50%....0.3100..0.3100
51-75%..........
76-100%..........
total..1.0571.3490.31002.634
VDn/a..........
< 1%..........
1-9%......0.41000.4100
10-25%......0.41000.4100
26-50%..........
51-75%..........
76-100%..........
total......0.8710.871
VSn/a0.4100......0.4100
< 1%..0.31000.3100..0.771
1-9%....1.0581.7442.735
10-25%....0.7710.31001.058
26-50%..0.31001.0580.7712.141
51-75%......1.0581.058
76-100%....0.3100..0.3100
total0.41000.7713.4313.8308.220
ZGn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
ZHn/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
Switzerlandn/a0.771......0.771
< 1%..0.7710.7711.1582.538
1-9%..1.7444.9274.62811.218
10-25%..0.7715.7254.62811.018
26-50%..0.7714.2292.9357.821
51-75%..0.7711.1581.4503.133
76-100%..0.41000.7710.8711.945
total0.7714.92717.31415.31538.29

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #171162/157545

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · canton
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton1000 ha± %1000 ha± %1000 ha± %
AG..1.2571.257
AI1.0542.3303.221
AR0.31002.9283.225
BE14.41564.3678.75
BL/BS..4.5274.527
FR1.15716.81217.911
GE......
GL4.2288.11712.312
GR24.41184.35108.74
JU0.87010.91611.715
LU1.0586.3217.319
NE1.0573.8274.824
NW1.2551.9403.129
OW2.5378.21710.814
SG3.63130.7834.37
SH..0.7700.770
SO..2.3402.340
SZ3.33213.41316.710
TG..3.0303.030
TI9.71995.64105.33
UR4.0278.31712.312
VD4.62817.81322.312
VS26.11056.3682.34
ZG..3.9213.921
ZH..1.4491.449
Switzerland103.16448.82551.92

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #171163/157546

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · production region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned %± %± %± %± %± %±
inside perimeter12.33.22.02.011.31.828.41.711.01.618.71.0
outside perimeter87.73.298.02.088.71.871.61.789.01.681.31.0
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 #171164/157547

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · production region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter4.7270.410013.31670.3614.215102.95
outside perimeter34.01017.914104.24177.13115.04448.22
total38.7918.313117.54247.43129.23551.12

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171165/157548

NFI2

forest area: stand stability · regeneration cover · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a......0.41000.41000.771
< 1%............
1-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total......0.41000.41000.771
criticaln/a............
< 1%......0.771..0.771
1-9%......1.4500.41001.845
10-25%....0.4100..0.41000.771
26-50%......0.31000.41000.771
51-75%....0.4100..0.41000.771
76-100%......0.3100..0.3100
total....0.7712.8351.4504.927
less stablen/a............
< 1%......0.771..0.771
1-9%....0.41003.5311.1584.927
10-25%0.4100..0.41003.1331.8455.625
26-50%0.41000.41000.41001.4501.8454.229
51-75%......0.31000.7711.158
76-100%....0.41000.3100..0.771
total0.7710.41001.4509.3195.32517.214
stablen/a............
< 1%0.4100....0.31000.41001.158
1-9%0.4100....3.8300.41004.528
10-25%0.4100..0.41002.1411.8454.628
26-50%0.771..0.41001.0580.7712.835
51-75%......1.450..1.450
76-100%0.771........0.771
total2.638..0.7718.6203.23315.115
totaln/a......0.41000.41000.771
< 1%0.4100....1.7450.41002.438
1-9%0.4100..0.41008.6201.84511.118
10-25%0.771..1.1585.2263.93010.918
26-50%1.1580.41000.7712.8352.8357.821
51-75%....0.41001.7451.1583.233
76-100%0.771..0.41000.771..1.845
total3.3330.41002.93521.11210.31837.99

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171166/157549

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · protection forest region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter8.92.318.72.219.82.631.73.023.72.711.01.618.71.0
outside perimeter91.12.381.32.280.22.668.33.076.32.789.01.681.31.0
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 #171167/157550

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · protection forest region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter5.02721.61216.41426.11020.01214.215103.35
outside perimeter51.5894.1566.6656.3664.56115.04448.02
total56.57115.8483.0582.3484.55129.23551.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171168/157551

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · economic region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region %± %± %±
Western Jura14.23.685.83.6100.0.
Eastern Jura..100.0.100.0.
Western Plateau..100.0.100.0.
Central Plateau5.25.194.85.0100.0.
Eastern Plateau..100.0.100.0.
Western Pre-Alps12.03.888.03.8100.0.
Central Pre-Alps14.83.185.23.1100.0.
Eastern Pre-Alps6.92.493.12.4100.0.
Northwestern Alps27.94.372.14.3100.0.
Central Alps40.56.859.56.8100.0.
Northeastern Alps25.75.274.35.2100.0.
Southwestern Alps31.73.068.33.0100.0.
Southeastern Alps23.72.776.32.7100.0.
Southern Alps11.01.689.01.6100.0.
Switzerland18.71.081.31.0100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #171169/157552

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · economic region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region1000 ha± %1000 ha± %1000 ha± %
Western Jura4.62728.21032.89
Eastern Jura..5.5255.525
Western Plateau..4.9284.928
Central Plateau0.41006.8207.220
Eastern Plateau..6.1246.124
Western Pre-Alps3.33324.4927.78
Central Pre-Alps7.22241.2748.47
Eastern Pre-Alps2.93538.6741.47
Northwestern Alps11.11728.6939.76
Central Alps7.32010.71518.010
Northeastern Alps6.42218.61125.18
Southwestern Alps26.11056.3682.34
Southeastern Alps20.01264.5684.55
Southern Alps14.215115.04129.23
Switzerland103.55449.42552.92

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171170/157553

NFI2

forest area: stand stability · regeneration cover · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a......0.4100..0.41000.771
< 1%..............
1-9%..............
10-25%..............
26-50%..............
51-75%..............
76-100%..............
total......0.4100..0.41000.771
criticaln/a..............
< 1%....0.31000.3100....0.771
1-9%....1.450....0.41001.745
10-25%..0.4100......0.41000.771
26-50%......0.3100..0.41000.771
51-75%....0.3100....0.41000.771
76-100%....0.3100......0.3100
total..0.41002.4380.771..1.4504.927
less stablen/a..............
< 1%......0.31000.4100..0.771
1-9%..1.4501.4501.058..1.1584.927
10-25%0.41001.1581.7440.771..1.8455.625
26-50%0.771..0.7711.058..1.8454.229
51-75%..0.4100......0.7711.158
76-100%..0.4100..0.3100....0.771
total1.1583.2333.8303.4310.41005.32517.214
stablen/a..............
< 1%0.4100......0.41000.41001.158
1-9%0.41000.7710.31001.7441.1580.41004.628
10-25%0.41001.1580.7710.31000.41001.8454.628
26-50%0.7710.41000.31000.771..0.7712.835
51-75%..0.4100..1.058....1.450
76-100%0.771..........0.771
total2.5382.5381.4503.8301.8453.23315.115
totaln/a......0.4100..0.41000.771
< 1%0.4100..0.31000.7710.7710.41002.438
1-9%0.41002.2413.1332.7351.1581.84511.218
10-25%0.7712.5382.4381.0580.41003.93010.918
26-50%1.4500.41001.0582.141..2.8357.721
51-75%..0.7710.31001.058..1.1583.233
76-100%0.7710.41000.31000.3100....1.845
total3.6326.1247.6218.2202.14110.31837.99

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171171/157554

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · biogeographical region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter8.32.62.51.87.91.112.12.25.71.79.71.58.40.7
outside perimeter91.72.697.51.892.11.187.92.294.31.790.31.591.60.7
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 #171172/157555

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · biogeographical region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter3.2330.77116.7148.9193.93012.81646.29
outside perimeter36.0927.211194.5365.0564.26119.53506.52
total39.3927.911211.2374.0468.05132.33552.72

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171173/157556

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · canton
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton %± %± %±
AG..100.0.100.0.
AI..100.0.100.0.
AR..100.0.100.0.
BE7.41.792.61.7100.0.
BL/BS9.18.790.98.5100.0.
FR..100.0.100.0.
GE......
GL25.17.774.97.7100.0.
GR8.01.592.01.5100.0.
JU10.05.590.05.2100.0.
LU..100.0.100.0.
NE..100.0.100.0.
NW12.511.987.511.5100.0.
OW6.94.893.14.8100.0.
SG6.32.593.72.5100.0.
SH..100.0.100.0.
SO33.319.366.719.4100.0.
SZ8.74.291.34.2100.0.
TG..100.0.100.0.
TI7.81.692.21.6100.0.
UR29.57.570.57.5100.0.
VD3.42.496.62.4100.0.
VS10.82.089.22.0100.0.
ZG..100.0.100.0.
ZH..100.0.100.0.
Switzerland8.40.791.60.7100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #171174/157557

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · canton
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
canton1000 ha± %1000 ha± %1000 ha± %
AG..1.2571.257
AI..3.2213.221
AR..3.2253.225
BE5.82472.9578.75
BL/BS0.41004.1294.527
FR..17.91117.911
GE......
GL3.1339.21612.312
GR8.720100.04108.74
JU1.25710.51611.715
LU..7.3197.319
NE..4.8244.824
NW0.41002.7323.129
OW0.77010.01510.814
SG2.24032.2834.37
SH..0.7700.770
SO0.8701.5492.340
SZ1.44915.21116.710
TG..3.0303.030
TI8.22097.04105.33
UR3.6288.71712.312
VD0.87121.61222.312
VS8.91973.4582.34
ZG..3.9213.921
ZH..1.4491.449
Switzerland46.39505.62551.92

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #171175/157558

NFI2

forest area: stand stability · regeneration cover · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid:
state 1993/95
stand stability
n/acriticalless stablestabletotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..........
< 1%......0.41000.4100
1-9%......0.41000.4100
10-25%....0.41000.41000.771
26-50%....0.41000.7711.158
51-75%..........
76-100%......0.41000.4100
total....0.7712.2412.935
Eastern Juran/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%......0.41000.4100
total......0.41000.4100
Western Plateaun/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
Central Plateaun/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%....0.3100..0.3100
51-75%..........
76-100%..........
total....0.3100..0.3100
Eastern Plateaun/a..........
< 1%..........
1-9%..........
10-25%..........
26-50%..........
51-75%..........
76-100%..........
total..........
Western Pre-Alpsn/a..........
< 1%..........
1-9%..........
10-25%......0.41000.4100
26-50%..........
51-75%..........
76-100%..........
total......0.41000.4100
Central Pre-Alpsn/a..........
< 1%..........
1-9%....0.4100..0.4100
10-25%..0.4100....0.4100
26-50%......0.41000.4100
51-75%..........
76-100%....0.4100..0.4100
total..0.41000.7710.41001.450
Eastern Pre-Alpsn/a..........
< 1%..........
1-9%..........
10-25%....0.4100..0.4100
26-50%....0.4100..0.4100
51-75%..0.4100....0.4100
76-100%..........
total..0.41000.771..1.157
Northwestern Alpsn/a..........
< 1%..........
1-9%....1.1570.7711.844
10-25%....1.1570.7711.844
26-50%..........
51-75%....0.41000.41000.771
76-100%..........
total....2.5371.8444.328
Central Alpsn/a..........
< 1%..........
1-9%..1.0571.057..2.140
10-25%....0.31000.31000.770
26-50%....0.31000.31000.770
51-75%..........
76-100%..........
total..1.0571.7440.7703.430
Northeastern Alpsn/a..........
< 1%..0.4100....0.4100
1-9%..0.41000.41000.41001.157
10-25%....1.1570.41001.449
26-50%..........
51-75%..........
76-100%..0.4100....0.4100
total..1.1571.4490.7703.232
Southwestern Alpsn/a0.4100......0.4100
< 1%..0.31000.3100..0.771
1-9%....1.0581.7442.735
10-25%....0.7710.31001.058
26-50%..0.31001.0580.7712.141
51-75%......1.0581.058
76-100%....0.3100..0.3100
total0.41000.7713.4313.8308.220
Southeastern Alpsn/a..........
< 1%....0.41000.41000.771
1-9%......1.1581.158
10-25%......0.41000.4100
26-50%..........
51-75%..........
76-100%..........
total....0.41001.8452.141
Southern Alpsn/a0.4100......0.4100
< 1%......0.41000.4100
1-9%..0.41001.1580.41001.845
10-25%..0.41001.8451.8453.930
26-50%..0.41001.8450.7712.835
51-75%..0.41000.771..1.158
76-100%..........
total0.41001.4505.3253.23310.318
Switzerlandn/a0.771......0.771
< 1%..0.7710.7711.1582.538
1-9%..1.8444.9274.62811.218
10-25%..0.7715.7254.62811.018
26-50%..0.7714.2292.8357.721
51-75%..0.7711.1581.4503.233
76-100%..0.41000.7710.8711.845
total0.7714.92717.21415.21538.09

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171176/157559

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · production region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigned %± %± %± %± %± %±
inside perimeter8.52.71.91.92.50.910.91.29.61.58.30.7
outside perimeter91.52.798.11.997.50.989.11.290.41.591.70.7
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 #171177/157560

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · protection forest region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigned %± %± %± %± %± %± %±
inside perimeter6.31.95.61.312.12.110.82.05.41.59.61.58.30.7
outside perimeter93.71.994.41.387.92.189.22.094.61.590.41.591.70.7
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 #171178/157561

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · protection forest region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigned1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter3.6326.52310.0188.9194.62812.41646.09
outside perimeter52.98109.3473.0573.4580.05116.83505.42
total56.57115.8483.0582.3484.55129.23551.32

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171179/157562

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · economic region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region %± %± %±
Western Jura8.73.091.33.0100.0.
Eastern Jura7.16.992.96.8100.0.
Western Plateau..100.0.100.0.
Central Plateau4.34.295.74.2100.0.
Eastern Plateau..100.0.100.0.
Western Pre-Alps1.31.398.71.3100.0.
Central Pre-Alps3.01.597.01.5100.0.
Eastern Pre-Alps2.61.597.41.5100.0.
Northwestern Alps11.73.188.33.1100.0.
Central Alps26.86.273.26.2100.0.
Northeastern Alps17.14.582.94.5100.0.
Southwestern Alps10.82.089.22.0100.0.
Southeastern Alps5.41.594.61.5100.0.
Southern Alps9.61.590.41.5100.0.
Switzerland8.30.791.70.7100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #171180/157563

NFI2

forest area: degree of mixture · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: rockfall SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI2
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a....0.21000.2100..0.21000.558
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total....0.21000.2100..0.21000.558
pure conifer forestn/a..............
crowded0.21000.5580.9450.750..0.21002.427
normal..0.21001.0411.3351.4350.5584.520
loose0.4710.21000.5581.0410.9450.5583.522
open..0.21000.21000.3710.7500.5581.930
scattered..0.2100..0.2100..0.4710.750
grouped crowded..0.2100........0.2100
grouped normal....0.2100......0.2100
heterogeneous..0.2100..0.2100....0.371
total0.5581.6332.7253.7213.0242.12913.711
mixed conifer forestn/a..............
crowded0.4710.5580.21000.371..0.21001.633
normal0.471..0.9450.3710.2100..1.732
loose0.2100..0.21000.2100..0.21000.750
open....0.2100......0.2100
scattered0.21000.2100..0.2100....0.558
grouped crowded..0.2100........0.2100
grouped normal....0.2100......0.2100
heterogeneous..............
total1.1410.9451.5331.0410.21000.4715.119
mixed broadleaf forestn/a..............
crowded0.5580.4710.5580.2100..0.21001.832
normal0.4710.4710.21000.21000.2100..1.238
loose......0.2100..0.21000.371
open..0.2100..0.2100....0.471
scattered..........0.21000.2100
grouped crowded..............
grouped normal..............
heterogeneous..............
total0.9450.9450.7500.7500.21000.5583.921
pure broadleaf forestn/a..............
crowded0.7500.4711.2380.371..3.2235.817
normal0.5580.9450.558....1.4353.423
loose0.471....0.371..0.7501.435
open....0.21000.371..1.1411.633
scattered..........0.21000.2100
grouped crowded......0.2100....0.2100
grouped normal..............
heterogeneous..............
total1.6331.3381.9301.238..6.51612.412
totaln/a....0.21000.2100..0.21000.558
crowded1.8321.8322.7251.533..3.72211.512
normal1.2381.4352.6261.9301.7321.93010.813
loose0.9450.21000.7501.7310.9451.6335.917
open..0.4710.5580.9450.7501.6334.021
scattered0.21000.471..0.371..0.7501.633
grouped crowded..0.471..0.2100....0.558
grouped normal....0.371......0.371
heterogeneous..0.2100..0.2100....0.371
total4.1214.7197.0156.8153.3239.71335.67

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171181/157564

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · economic region
unit: 1000 ha
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic region1000 ha± %1000 ha± %1000 ha± %
Western Jura2.93530.01032.89
Eastern Jura0.41005.1265.525
Western Plateau..4.9284.928
Central Plateau0.31006.9207.220
Eastern Plateau..6.1246.124
Western Pre-Alps0.410027.4827.78
Central Pre-Alps1.45047.0748.47
Eastern Pre-Alps1.15740.4741.47
Northwestern Alps4.62735.0739.76
Central Alps4.82513.11418.010
Northeastern Alps4.32720.81025.18
Southwestern Alps8.91973.4582.34
Southeastern Alps4.62880.0584.55
Southern Alps12.416116.83129.23
Switzerland46.18506.82552.92

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #171182/157565

NFI4b

forest area: forest type (12 classes) · biogeographical region
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
forest type (12 classes) %± %± %± %± %± %± %±
inaccessible forest0.90.9..4.00.81.80.92.11.05.21.23.30.5
shrub forest....0.90.40.90.75.41.54.01.02.10.3
permanently unstocked forest area2.81.6..2.00.61.80.91.00.71.10.51.60.3
forest aisles, embankments0.90.91.31.3..0.50.51.00.71.00.50.60.2
permanently open stand0.90.9..1.00.43.71.35.71.74.61.12.70.4
selva, plantation..........0.80.50.20.1
coppice forest0.90.9..2.40.63.71.31.00.722.12.26.90.6
coppice with standards..........1.90.70.50.2
selection type high forest6.42.37.63.08.11.116.72.513.52.55.91.29.20.7
non-uniform high forest20.23.812.73.718.51.617.12.612.02.315.31.916.60.9
imcomplete..............
uniform high forest67.04.578.54.663.12.053.73.458.23.538.22.556.31.2
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 #171183/157566

NFI4b

forest area: forest type (12 classes) · canton
unit: %
unit of evaluation: forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid:
state 2009/13
forest type (12 classes)
inaccessible forestshrub forestpermanently unstocked forest areaforest aisles, embankmentspermanently open standselva, plantationcoppice forestcoppice with standardsselection type high forestnon-uniform high forestimcompleteuniform high foresttotal
canton %± %± %± %± %± %± %± %± %± %± %± %± %±
AG......................100.0.100.0.
AI................10.09.8....90.08.9100.0.
AR......................100.0.100.0.
BE1.70.9..2.21.0..1.30.8..0.40.4..11.32.121.32.7..61.73.2100.0.
BL/BS....9.18.7............27.313.5..63.614.6100.0.
FR..2.12.14.22.9..........8.34.010.44.4..75.06.3100.0.
GE..........................
GL12.55.9..3.13.1..3.13.1..3.13.1..6.34.312.55.9..59.38.8100.0.
GR3.21.03.91.00.60.50.90.55.51.3..3.21.00.30.311.91.815.12.0..55.32.8100.0.
JU....3.33.33.33.3....3.33.3..6.74.623.37.8..60.08.9100.0.
LU5.25.0................30.29.6..64.610.0100.0.
NE6.76.5..6.76.5..........13.38.820.010.4..53.312.9100.0.
NW................12.511.912.511.9..75.015.4100.0.
OW3.53.4..3.53.4..........3.53.441.39.2..48.39.4100.0.
SG5.32.3..1.11.1......3.21.8..4.22.117.93.9..68.44.8100.0.
SH......................100.0.100.0.
SO................16.715.316.715.3..66.719.3100.0.
SZ4.33.0..............4.33.010.94.6..80.45.8100.0.
TG......10.09.5........10.09.520.012.7..60.015.6100.0.
TI5.21.34.41.11.40.71.00.63.71.11.00.625.52.52.00.85.41.314.32.0..36.02.8100.0.
UR5.43.711.15.3....2.72.7..5.43.7..8.04.58.04.5..59.48.1100.0.
VD3.32.3..1.71.7......6.83.3..6.83.313.64.5..67.86.1100.0.
VS2.10.90.80.62.10.90.40.44.21.3..4.21.3..15.52.317.52.5..53.33.2100.0.
ZG................11.110.811.110.8..77.814.0100.0.
ZH......................100.0.100.0.
Switzerland3.40.52.10.31.60.30.60.22.70.40.20.16.90.60.50.29.20.716.60.9..56.41.2100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #171184/157567
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