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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · main type of harvest · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %±
inside perimeterskidder44.516.6100.0.50.017.720.04.812.15.722.43.8
forwarder......1.41.4..0.80.8
mobile tower yarder11.110.5....22.85.03.03.014.73.2
cable crane11.110.5..25.015.310.03.612.25.711.62.9
helicopter22.113.8..25.015.345.86.069.68.048.74.5
others11.110.5......3.03.01.71.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder59.52.158.51.946.02.024.01.39.21.439.40.8
forwarder31.92.037.01.95.60.94.10.62.50.815.60.6
mobile tower yarder5.31.02.90.720.61.620.81.311.71.613.40.6
cable crane1.10.40.80.314.71.421.01.314.71.811.50.5
helicopter0.40.30.30.212.51.329.81.458.02.519.00.6
others1.80.60.60.30.70.30.30.23.91.01.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder59.32.158.51.946.02.023.71.39.41.438.80.8
forwarder31.32.036.91.95.50.93.90.62.30.715.00.6
mobile tower yarder5.41.02.90.720.31.621.01.211.01.513.40.6
cable crane1.30.50.80.314.81.420.41.214.51.711.50.5
helicopter0.70.40.30.212.71.330.81.458.92.420.00.6
others2.00.60.60.30.60.30.30.23.90.91.20.2
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 #162145/148524

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · main type of harvest · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder1.5500.41001.4504.8271.4509.519
forwarder......0.3100..0.3100
mobile tower yarder0.4100....5.5250.41006.223
cable crane0.4100..0.7712.4381.4504.927
helicopter0.771..0.77111.1178.12020.713
others0.4100......0.41000.771
total3.3330.41002.93524.21211.71742.49
outside perimeterskidder118.64135.04100.5586.9613.116454.12
forwarder63.5685.4512.31714.9153.531179.64
mobile tower yarder10.6186.72345.1875.5616.614154.44
cable crane2.2411.84532.11076.2620.912133.25
helicopter0.7710.77127.411107.8582.45219.03
others3.7311.4501.4501.1585.62513.116
total199.31231.01218.72362.32142.131153.31
totalskidder120.14135.34102.0591.7614.515463.62
forwarder63.5685.4512.31715.2153.531179.94
mobile tower yarder11.0186.72345.1881.0616.914160.64
cable crane2.6381.84532.81078.7622.312138.15
helicopter1.5500.77128.111118.9590.55239.73
others4.0301.4501.4501.1585.92413.916
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162146/148525

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · main type of harvest · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder49.915.827.810.616.07.329.19.318.111.612.15.722.33.8
forwarder......4.24.1....0.80.8
mobile tower yarder10.09.527.810.624.08.512.56.718.111.63.03.014.93.2
cable crane10.09.516.78.820.08.04.24.1..12.25.711.62.9
helicopter20.112.727.810.640.09.850.110.263.814.569.68.048.74.5
others10.09.5........3.03.01.71.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder58.91.438.82.138.52.624.92.522.62.19.21.439.30.8
forwarder34.71.43.60.84.61.13.91.16.81.22.50.815.60.6
mobile tower yarder4.00.625.41.814.61.821.02.319.62.011.71.613.40.6
cable crane0.90.318.31.619.22.18.41.626.42.214.71.811.60.5
helicopter0.30.213.71.522.02.241.12.824.62.158.02.519.00.6
others1.20.30.20.21.10.50.60.5..3.91.01.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder58.91.438.42.037.12.525.22.422.52.09.41.438.70.8
forwarder34.41.43.40.84.31.03.91.16.61.22.30.715.10.6
mobile tower yarder4.00.625.51.815.21.820.42.219.61.911.01.513.50.6
cable crane1.00.318.31.619.32.08.11.525.72.114.51.711.60.5
helicopter0.50.214.11.423.12.141.82.725.62.158.92.420.00.6
others1.20.30.20.21.00.50.60.4..3.90.91.20.2
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 #162147/148526

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · main type of harvest · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder1.8451.8451.4502.4370.7711.4509.519
forwarder......0.3100....0.3100
mobile tower yarder0.41001.8452.1411.0580.7710.41006.323
cable crane0.41001.1581.7440.3100..1.4504.927
helicopter0.7711.8453.4314.1292.5388.12020.713
others0.4100........0.41000.771
total3.6326.5238.6198.2203.93011.71742.59
outside perimeterskidder253.6378.6649.3726.41032.8913.116453.82
forwarder149.247.2225.9244.1289.8183.531179.84
mobile tower yarder17.21451.6718.61322.31128.41016.614154.74
cable crane3.93037.1924.6118.91938.3820.912133.85
helicopter1.45027.81128.11043.7735.6982.45219.03
others5.0270.41001.4500.771..5.62513.116
total430.41202.72127.83106.23145.02142.131154.11
totalskidder255.4380.4650.6728.81033.5914.515463.32
forwarder149.247.2225.9244.5279.8183.531180.14
mobile tower yarder17.51453.4720.71223.41129.11016.914161.14
cable crane4.32938.2926.3119.31938.3822.312138.75
helicopter2.24129.61031.51047.8738.1990.55239.73
others5.4260.41001.4500.771..5.92413.816
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162148/148527

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · cause of salvage logging · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a2.5380.77113.8168.2203.23312.11740.69
insects0.4100......0.4100..0.771
fungi..............
windthrow0.4100..0.771......1.158
snow load..............
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality....0.4100......0.4100
others..............
total3.2330.77114.9158.2203.53112.11742.79
outside perimetern/a174.42209.82324.2289.53114.93142.031054.81
insects6.82319.4139.619..1.1580.77137.69
fungi..2.8350.4100......3.233
windthrow6.12413.8166.4231.7440.7711.15829.811
snow load1.4506.4232.8351.4502.8351.15815.915
avalanches......0.3100..1.1581.450
landslides..0.41000.771......1.158
flooding..............
forest fire..............
loss of vitality3.6313.5311.158......8.221
others0.41001.845..0.3100....2.538
total192.82257.91345.1293.33119.53145.931154.51
totaln/a176.92210.52338.0297.73118.13154.121095.41
insects7.22219.4139.619..1.4500.77138.39
fungi..2.8350.4100......3.233
windthrow6.52313.8167.1221.7440.7711.15830.911
snow load1.4506.4232.8351.4502.8351.15815.915
avalanches......0.3100..1.1581.450
landslides..0.41000.771......1.158
flooding..............
forest fire..............
loss of vitality3.6313.5311.450......8.620
others0.41001.845..0.3100....2.538
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162149/148528

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · cause of salvage logging · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncause of salvage logging %± %± %±
AGn/a..76.23.976.23.9
insects..7.42.47.42.4
fungi..2.51.42.51.4
windthrow..7.42.47.42.4
snow load..2.51.42.51.4
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.61.21.61.2
others..2.51.42.51.4
total..100.0.100.0.
AIn/a..93.86.193.86.1
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..6.26.16.26.1
others......
total..100.0.100.0.
ARn/a..92.35.392.35.3
insects..3.83.83.83.8
fungi......
windthrow......
snow load..3.83.83.83.8
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total..100.0.100.0.
BEn/a88.37.887.91.587.91.4
insects..6.51.16.31.1
fungi..0.40.30.40.3
windthrow11.77.83.50.83.80.8
snow load..0.60.40.60.3
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.00.51.00.4
others......
total100.0.100.0.100.0.
BL/BSn/a..79.95.778.45.8
insects100.0.2.02.03.92.8
fungi......
windthrow..6.03.45.93.3
snow load..6.03.45.93.3
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..6.03.45.93.3
others......
total100.0.100.0.100.0.
FRn/a..90.52.790.52.7
insects..3.51.73.51.7
fungi......
windthrow..3.51.73.51.7
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.90.90.90.9
others..1.71.21.71.2
total..100.0.100.0.
GEn/a..100.0.100.0.
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total..100.0.100.0.
GLn/a100.0.97.52.597.92.1
insects..2.52.52.12.1
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
GRn/a95.34.696.70.896.70.8
insects4.74.60.80.41.00.4
fungi......
windthrow..0.40.30.40.3
snow load..1.80.61.80.6
avalanches..0.20.20.20.2
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
JUn/a100.0.95.32.395.42.2
insects..2.41.72.31.6
fungi......
windthrow..1.21.21.11.1
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.21.21.11.1
others......
total100.0.100.0.100.0.
LUn/a..88.42.888.42.8
insects..9.22.69.22.6
fungi......
windthrow..0.80.80.80.8
snow load..0.80.80.80.8
avalanches......
landslides..0.80.80.80.8
flooding......
forest fire......
loss of vitality......
others......
total..100.0.100.0.
NEn/a..89.83.389.83.3
insects..6.82.76.82.7
fungi......
windthrow..2.31.62.31.6
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.11.11.11.1
others......
total..100.0.100.0.
NWn/a100.0.100.0.100.0.
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
OWn/a100.0.90.54.190.83.9
insects..1.91.91.81.8
fungi......
windthrow..5.73.25.53.1
snow load..1.91.91.81.8
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
SGn/a100.0.93.52.093.71.9
insects..2.01.11.91.1
fungi......
windthrow..1.30.91.30.9
snow load..2.61.32.51.3
avalanches......
landslides..0.70.70.60.6
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
SHn/a..80.66.780.66.7
insects..5.63.95.63.9
fungi..2.82.82.82.8
windthrow..11.15.311.15.3
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total..100.0.100.0.
SOn/a100.0.88.03.688.23.5
insects..1.21.21.21.2
fungi......
windthrow..6.02.65.92.6
snow load..2.41.72.41.7
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..2.41.72.41.7
others......
total100.0.100.0.100.0.
SZn/a100.0.89.63.590.13.3
insects..3.92.23.72.1
fungi......
windthrow..3.92.23.72.1
snow load..1.31.31.21.2
avalanches......
landslides..1.31.31.21.2
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
TGn/a..77.94.977.94.9
insects..11.03.711.03.7
fungi......
windthrow..5.52.75.52.7
snow load..4.12.44.12.4
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.41.41.41.4
others......
total..100.0.100.0.
TIn/a100.0.97.20.997.40.9
insects..0.60.40.60.4
fungi......
windthrow..0.90.50.90.5
snow load..0.60.40.60.4
avalanches..0.60.40.60.4
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
URn/a77.813.9100.0.96.52.5
insects......
fungi......
windthrow11.110.5..1.81.8
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality11.110.5..1.81.8
others......
total100.0.100.0.100.0.
VDn/a100.0.91.61.791.71.7
insects..3.11.13.01.1
fungi......
windthrow..3.01.13.01.0
snow load..0.40.40.40.4
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.90.81.90.8
others......
total100.0.100.0.100.0.
VSn/a100.0.96.41.196.71.0
insects......
fungi......
windthrow..1.60.71.50.7
snow load..1.30.61.20.6
avalanches..0.30.30.30.3
landslides......
flooding......
forest fire......
loss of vitality......
others..0.30.30.30.3
total100.0.100.0.100.0.
ZGn/a..59.513.159.513.1
insects......
fungi......
windthrow..20.310.820.310.8
snow load..20.310.820.310.8
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total..100.0.100.0.
ZHn/a..86.42.886.42.8
insects..4.11.64.11.6
fungi..2.01.22.01.2
windthrow..3.41.53.41.5
snow load..2.71.32.71.3
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.70.70.70.7
others..0.70.70.70.7
total..100.0.100.0.
Switzerlandn/a95.11.991.30.591.40.5
insects1.81.23.20.33.10.3
fungi..0.30.10.30.1
windthrow2.41.42.60.32.60.3
snow load..1.40.21.40.2
avalanches..0.10.10.10.1
landslides..0.10.10.10.1
flooding......
forest fire......
loss of vitality0.80.80.70.20.70.1
others..0.20.10.20.1
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162150/148529

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · cause of salvage logging · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncause of salvage logging1000 ha± %1000 ha± %1000 ha± %
AGn/a..37.4637.46
insects..3.6323.632
fungi..1.2571.257
windthrow..3.6323.632
snow load..1.2571.257
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.8700.870
others..1.2571.257
total..49.1249.12
AIn/a..4.9144.914
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.31000.3100
others......
total..5.2125.212
ARn/a..7.797.79
insects..0.31000.3100
fungi......
windthrow......
snow load..0.31000.3100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total..8.468.46
BEn/a5.226147.13152.23
insects..10.91710.917
fungi..0.7710.771
windthrow0.7715.8246.523
snow load..1.0581.058
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.7451.745
others......
total5.824167.32173.12
BL/BSn/a..16.2916.29
insects0.41000.41000.870
fungi......
windthrow..1.2571.257
snow load..1.2571.257
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.2571.257
others......
total0.410020.3520.75
FRn/a..39.2439.24
insects..1.5491.549
fungi......
windthrow..1.5491.549
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others..0.7700.770
total..43.3343.33
GEn/a..3.1203.120
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total..3.1203.120
GLn/a2.73614.91017.68
insects..0.41000.4100
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total2.73615.31018.07
GRn/a7.022166.02173.02
insects0.31001.4501.745
fungi......
windthrow..0.7710.771
snow load..3.2333.233
avalanches..0.31000.3100
landslides......
flooding......
forest fire......
loss of vitality......
others......
total7.421171.62179.02
JUn/a1.25731.5432.74
insects..0.8700.870
fungi......
windthrow..0.41000.4100
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total1.25733.0434.23
LUn/a..36.0536.05
insects..3.8283.828
fungi......
windthrow..0.31000.3100
snow load..0.31000.3100
avalanches......
landslides..0.31000.3100
flooding......
forest fire......
loss of vitality......
others......
total..40.7340.73
NEn/a..25.3625.36
insects..1.9401.940
fungi......
windthrow..0.6700.670
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.31000.3100
others......
total..28.2428.24
NWn/a0.41007.3107.78
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total0.41007.3107.78
OWn/a0.77017.8818.57
insects..0.41000.4100
fungi......
windthrow..1.1571.157
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total0.77019.6620.45
SGn/a1.84451.7553.54
insects..1.1571.157
fungi......
windthrow..0.7700.770
snow load..1.4501.450
avalanches......
landslides..0.41000.4100
flooding......
forest fire......
loss of vitality......
others......
total1.84455.3457.14
SHn/a..10.3910.39
insects..0.7700.770
fungi..0.41000.4100
windthrow..1.4481.448
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total..12.8312.83
SOn/a0.87027.6528.45
insects..0.41000.4100
fungi......
windthrow..1.9441.944
snow load..0.8700.870
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.8700.870
others......
total0.87031.4432.23
SZn/a1.44925.0726.56
insects..1.1571.157
fungi......
windthrow..1.1571.157
snow load..0.41000.4100
avalanches......
landslides..0.41000.4100
flooding......
forest fire......
loss of vitality......
others......
total1.44927.9529.34
TGn/a..16.9816.98
insects..2.4342.434
fungi......
windthrow..1.2491.249
snow load..0.9570.957
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.31000.3100
others......
total..21.7421.74
TIn/a8.220112.23120.43
insects..0.7710.771
fungi......
windthrow..1.1581.158
snow load..0.7710.771
avalanches..0.7710.771
landslides......
flooding......
forest fire......
loss of vitality......
others......
total8.220115.43123.62
URn/a2.33615.71118.19
insects......
fungi......
windthrow0.3100..0.3100
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.3100..0.3100
others......
total3.03115.71118.78
VDn/a0.87191.2392.03
insects..3.0353.035
fungi......
windthrow..3.0353.035
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.9441.944
others......
total0.87199.62100.32
VSn/a8.220102.43110.73
insects......
fungi......
windthrow..1.7441.744
snow load..1.4501.450
avalanches..0.31000.3100
landslides......
flooding......
forest fire......
loss of vitality......
others..0.31000.3100
total8.220106.23114.43
ZGn/a..3.8243.824
insects......
fungi......
windthrow..1.3531.353
snow load..1.3531.353
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total..6.376.37
ZHn/a..44.8444.84
insects..2.1402.140
fungi..1.1571.157
windthrow..1.8441.844
snow load..1.4491.449
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others..0.41000.4100
total..51.8251.82
Switzerlandn/a40.791056.111096.81
insects0.87136.91037.79
fungi..3.3333.333
windthrow1.05830.51131.511
snow load..16.31516.315
avalanches..1.4501.450
landslides..1.0581.058
flooding......
forest fire......
loss of vitality0.31008.5218.820
others..2.7382.738
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162151/148530

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · cause of salvage logging · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcause of salvage logging %± %± %± %± %± %±
inside perimetern/a77.813.9100.0.100.0.94.32.8100.0.95.02.0
insects11.110.5....1.41.4..1.71.2
fungi............
windthrow11.110.5....2.92.0..2.51.4
snow load............
avalanches............
landslides............
flooding............
forest fire............
loss of vitality......1.41.4..0.80.8
others............
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a88.81.382.41.592.31.195.60.697.30.891.30.5
insects3.80.87.31.04.00.81.00.30.50.43.30.3
fungi0.40.30.90.40.20.2....0.30.1
windthrow4.00.84.90.81.60.51.60.40.70.42.60.3
snow load0.70.42.30.61.50.51.30.40.70.41.40.2
avalanches......0.10.10.70.40.10.1
landslides..0.30.20.20.2....0.10.1
flooding............
forest fire............
loss of vitality2.00.61.20.40.30.20.20.1..0.70.1
others0.20.20.80.3..0.10.1..0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a88.61.382.41.592.41.195.50.697.50.891.50.5
insects4.00.87.31.03.90.81.10.30.50.33.20.3
fungi0.40.30.90.40.20.2....0.30.1
windthrow4.10.84.90.81.60.51.70.40.70.42.60.3
snow load0.70.42.30.61.50.51.30.30.70.41.30.2
avalanches......0.10.10.70.40.10.1
landslides..0.30.20.20.2....0.10.1
flooding............
forest fire............
loss of vitality2.00.61.20.40.30.20.30.2..0.70.1
others0.20.20.80.3..0.10.1..0.20.1
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 #162152/148531

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · cause of salvage logging · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a2.6380.41002.93522.81211.71740.39
insects0.4100....0.3100..0.771
fungi............
windthrow0.4100....0.771..1.158
snow load............
avalanches............
landslides............
flooding............
forest fire............
loss of vitality......0.3100..0.3100
others............
total3.3330.41002.93524.21211.71742.49
outside perimetern/a177.02190.22201.82346.32138.231053.51
insects7.72116.9148.7203.8300.77137.79
fungi0.7712.1410.4100....3.233
windthrow8.02111.3173.6315.9241.15829.811
snow load1.5505.3263.2334.9271.15815.915
avalanches......0.31001.1581.450
landslides..0.7710.4100....1.158
flooding............
forest fire............
loss of vitality4.0302.8350.7710.771..8.321
others0.41001.845..0.3100..2.538
total199.31231.01218.72362.32142.131153.31
totaln/a179.62190.62204.72369.22149.921093.81
insects8.02116.9148.7204.1290.77138.49
fungi0.7712.1410.4100....3.233
windthrow8.42011.3173.6316.6231.15830.911
snow load1.5505.3263.2334.9271.15815.915
avalanches......0.31001.1581.450
landslides..0.7710.4100....1.158
flooding............
forest fire............
loss of vitality4.0302.8350.7711.158..8.620
others0.41001.845..0.3100..2.538
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162153/148532

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · cause of salvage logging · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcause of salvage logging %± %± %± %± %± %± %±
inside perimetern/a80.012.694.45.492.05.4100.0.90.98.7100.0.95.02.0
insects10.09.5......9.18.7..1.71.2
fungi..............
windthrow10.09.55.65.44.03.9......2.51.4
snow load..............
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality....4.03.9......0.80.8
others..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a85.31.092.91.192.41.496.41.196.60.997.30.891.30.5
insects5.70.73.90.82.40.8..1.00.50.50.43.30.3
fungi0.70.2..0.30.3......0.30.1
windthrow4.50.62.30.61.90.71.60.70.50.30.70.42.60.3
snow load1.60.40.40.32.40.81.30.62.00.70.70.41.40.2
avalanches......0.30.3..0.70.40.10.1
landslides0.20.1..0.30.3......0.10.1
flooding..............
forest fire..............
loss of vitality1.60.40.50.30.30.3......0.70.1
others0.50.2....0.30.3....0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a85.21.092.91.192.41.396.71.096.40.997.50.891.50.5
insects5.80.73.80.82.30.8..1.20.50.50.33.20.3
fungi0.70.2..0.30.3......0.30.1
windthrow4.50.62.40.62.00.71.50.70.50.30.70.42.60.3
snow load1.60.40.30.22.30.81.20.61.90.70.70.41.30.2
avalanches......0.30.3..0.70.40.10.1
landslides0.20.1..0.30.3......0.10.1
flooding..............
forest fire..............
loss of vitality1.60.40.50.30.50.4......0.70.1
others0.50.2....0.30.3....0.20.1
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 #162154/148533

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · cause of salvage logging · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a2.9356.1247.9208.2203.53111.71740.49
insects0.4100......0.4100..0.771
fungi..............
windthrow0.41000.41000.3100......1.158
snow load..............
avalanches..............
landslides..............
flooding..............
forest fire..............
loss of vitality....0.3100......0.3100
others..............
total3.6326.5238.6198.2203.93011.71742.59
outside perimetern/a367.12188.32118.23102.43140.02138.231054.11
insects24.7127.9213.133..1.4500.77137.89
fungi2.935..0.3100......3.233
windthrow19.3134.7272.4381.7440.7711.15829.911
snow load6.8230.7713.1331.4502.8351.15815.915
avalanches......0.3100..1.1581.450
landslides0.771..0.3100......1.158
flooding..............
forest fire..............
loss of vitality6.8231.1580.3100......8.221
others2.141....0.3100....2.538
total430.41202.72127.83106.23145.02142.131154.11
totaln/a369.92194.42126.13110.73143.62149.921094.51
insects25.0127.9213.133..1.8450.77138.59
fungi2.935..0.3100......3.233
windthrow19.7135.0262.8351.7440.7711.15831.011
snow load6.8230.7713.1331.4502.8351.15815.915
avalanches......0.3100..1.1581.450
landslides0.771..0.3100......1.158
flooding..............
forest fire..............
loss of vitality6.8231.1580.771......8.620
others2.141....0.3100....2.538
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162155/148534

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · cause of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncause of salvage logging %± %± %±
Western Juran/a87.611.791.31.491.21.4
insects..4.21.04.11.0
fungi......
windthrow12.411.72.60.82.80.8
snow load..0.20.20.20.2
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.60.61.60.6
others......
total100.0.100.0.100.0.
Eastern Juran/a..80.13.679.53.7
insects100.0.2.51.43.31.6
fungi..1.71.21.61.2
windthrow..9.12.69.02.6
snow load..2.51.42.51.4
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..3.31.63.31.6
others..0.80.80.80.8
total100.0.100.0.100.0.
Western Plateaun/a..84.93.384.93.3
insects..5.92.25.92.2
fungi......
windthrow..4.11.84.11.8
snow load..0.80.80.80.8
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..2.51.52.51.5
others..1.71.21.71.2
total..100.0.100.0.
Central Plateaun/a100.0.82.02.682.12.6
insects..9.01.99.01.9
fungi..0.90.60.90.6
windthrow..4.51.44.51.4
snow load..1.80.91.80.9
avalanches......
landslides..0.50.50.40.4
flooding......
forest fire......
loss of vitality..1.40.81.30.8
others......
total100.0.100.0.100.0.
Eastern Plateaun/a..81.72.281.72.2
insects..6.61.46.61.4
fungi..1.30.61.30.6
windthrow..5.41.35.41.3
snow load..3.21.03.21.0
avalanches......
landslides..0.30.30.30.3
flooding......
forest fire......
loss of vitality..0.60.40.60.4
others..0.90.50.90.5
total..100.0.100.0.
Western Pre-Alpsn/a100.0.95.91.895.91.8
insects..0.80.80.80.8
fungi......
windthrow..3.31.63.31.6
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Central Pre-Alpsn/a100.0.92.41.692.51.6
insects..5.81.45.71.4
fungi......
windthrow..0.70.50.70.5
snow load..0.70.50.70.5
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.40.40.40.4
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a100.0.89.92.190.02.1
insects..3.41.33.31.2
fungi..0.50.50.50.5
windthrow..1.91.01.90.9
snow load..3.41.33.31.2
avalanches......
landslides..0.50.50.50.5
flooding......
forest fire......
loss of vitality..0.50.50.50.5
others......
total100.0.100.0.100.0.
Northwestern Alpsn/a92.37.391.42.291.52.1
insects..3.11.42.81.3
fungi......
windthrow7.77.44.31.64.51.6
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.20.91.10.8
others......
total100.0.100.0.100.0.
Central Alpsn/a83.310.794.52.792.92.8
insects......
fungi......
windthrow8.38.04.12.34.72.3
snow load..1.41.41.21.2
avalanches......
landslides......
flooding......
forest fire......
loss of vitality8.38.0..1.21.2
others......
total100.0.100.0.100.0.
Northeastern Alpsn/a100.0.96.52.096.91.8
insects..2.31.62.11.5
fungi......
windthrow......
snow load..1.21.21.01.0
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Southwestern Alpsn/a100.0.96.41.196.71.0
insects......
fungi......
windthrow..1.60.71.50.7
snow load..1.30.61.20.6
avalanches..0.30.30.30.3
landslides......
flooding......
forest fire......
loss of vitality......
others..0.30.30.30.3
total100.0.100.0.100.0.
Southeastern Alpsn/a90.98.796.60.996.40.9
insects9.18.71.00.51.20.5
fungi......
windthrow..0.50.30.50.3
snow load..2.00.71.90.7
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Southern Alpsn/a100.0.97.30.897.50.8
insects..0.50.40.50.3
fungi......
windthrow..0.70.40.70.4
snow load..0.70.40.70.4
avalanches..0.70.40.70.4
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
Switzerlandn/a95.02.091.30.591.50.5
insects1.81.23.20.33.20.3
fungi..0.30.10.30.1
windthrow2.51.42.60.32.60.3
snow load..1.40.21.30.2
avalanches..0.10.10.10.1
landslides..0.10.10.10.0
flooding......
forest fire......
loss of vitality0.80.80.70.20.70.1
others..0.20.10.20.1
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162156/148535

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · cause of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncause of salvage logging1000 ha± %1000 ha± %1000 ha± %
Western Juran/a2.538138.62141.12
insects..6.4236.423
fungi......
windthrow0.41003.9304.329
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..2.5382.538
others......
total2.935151.82154.72
Eastern Juran/a..38.3538.35
insects0.41001.2571.649
fungi..0.8700.870
windthrow..4.4294.429
snow load..1.2571.257
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.6491.649
others..0.41000.4100
total0.410047.8248.22
Western Plateaun/a..41.4541.45
insects..2.9372.937
fungi......
windthrow..2.0442.044
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.2571.257
others..0.8700.870
total..48.7348.73
Central Plateaun/a0.310056.4456.74
insects..6.2216.221
fungi..0.6710.671
windthrow..3.1313.131
snow load..1.2501.250
avalanches......
landslides..0.31000.3100
flooding......
forest fire......
loss of vitality..0.9570.957
others......
total0.310068.8269.12
Eastern Plateaun/a..92.6392.63
insects..7.5217.521
fungi..1.4501.450
windthrow..6.1246.124
snow load..3.6313.631
avalanches......
landslides..0.41000.4100
flooding......
forest fire......
loss of vitality..0.7710.771
others..1.1581.158
total..113.32113.32
Western Pre-Alpsn/a0.410043.2443.64
insects..0.41000.4100
fungi......
windthrow..1.5491.549
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total0.410045.1445.54
Central Pre-Alpsn/a1.45091.8393.23
insects..5.7245.724
fungi......
windthrow..0.7710.771
snow load..0.7710.771
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total1.45099.32100.82
Eastern Pre-Alpsn/a1.15766.8467.84
insects..2.5372.537
fungi..0.41000.4100
windthrow..1.4501.450
snow load..2.5372.537
avalanches......
landslides..0.41000.4100
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total1.15774.3375.33
Northwestern Alpsn/a4.32853.3557.64
insects..1.8441.844
fungi......
windthrow0.41002.5372.935
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.7710.771
others......
total4.62758.3462.94
Central Alpsn/a3.43023.6927.17
insects......
fungi......
windthrow0.31001.0571.449
snow load..0.31000.3100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.3100..0.3100
others......
total4.12725.0829.17
Northeastern Alpsn/a3.63029.7733.35
insects..0.7700.770
fungi......
windthrow......
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total3.63030.8634.45
Southwestern Alpsn/a8.220102.43110.73
insects......
fungi......
windthrow..1.7441.744
snow load..1.4501.450
avalanches..0.31000.3100
landslides......
flooding......
forest fire......
loss of vitality......
others..0.31000.3100
total8.220106.23114.43
Southeastern Alpsn/a3.531140.02143.62
insects0.41001.4501.845
fungi......
windthrow..0.7710.771
snow load..2.8352.835
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total3.930145.02148.92
Southern Alpsn/a11.717138.23149.92
insects..0.7710.771
fungi......
windthrow..1.1581.158
snow load..1.1581.158
avalanches..1.1581.158
landslides......
flooding......
forest fire......
loss of vitality......
others......
total11.717142.13153.82
Switzerlandn/a40.591056.411096.81
insects0.77137.41038.29
fungi..3.2333.233
windthrow1.15830.11131.211
snow load..16.01516.015
avalanches..1.4501.450
landslides..1.0581.058
flooding......
forest fire......
loss of vitality0.31008.4218.720
others..2.6382.638
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162157/148536

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha1.4501.4502.1412.8351.8455.02614.416
101-200 stems/ha..0.7712.1412.4370.7713.2339.119
201-300 stems/ha1.4502.5381.7442.1410.7712.14110.618
301-400 stems/ha0.7710.7710.7710.771..1.1583.930
401-500 stems/ha..0.7710.771..0.7710.41002.538
501- 600 stems/ha..0.41001.058......1.450
more than 600 stems/ha....0.31000.3100....0.771
total3.6326.5238.6198.2203.93011.71742.59
outside perimeter0-100 stems/ha116.3550.1833.11040.6849.3755.77345.13
101-200 stems/ha126.3557.3726.61028.51040.8834.49314.03
201-300 stems/ha101.2545.4827.41015.81427.41024.311241.63
301-400 stems/ha53.7820.91319.71211.71616.51415.614138.05
401-500 stems/ha19.71314.41510.4186.5227.4218.12066.57
501- 600 stems/ha7.9218.7204.5271.4502.8352.14127.311
more than 600 stems/ha5.4265.8256.2231.7450.7711.84521.613
total430.41202.72127.83106.23145.02142.131154.11
total0-100 stems/ha117.7551.6835.2943.4851.1760.66359.53
101-200 stems/ha126.3558.1728.71030.9941.5837.69323.13
201-300 stems/ha102.7548.0829.11017.81328.11026.511252.13
301-400 stems/ha54.4821.61220.41212.31616.51416.614141.95
401-500 stems/ha19.71315.11511.1176.5228.1208.52069.07
501- 600 stems/ha7.9219.0205.5251.4502.8352.14128.711
more than 600 stems/ha5.4265.8256.6232.1410.7711.84522.312
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162188/148567

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 24cm, classified) %± %± %±
Western Jura0-100 stems/ha24.915.322.62.022.72.0
101-200 stems/ha..28.02.227.52.1
201-300 stems/ha50.217.726.12.126.52.1
301-400 stems/ha24.915.314.11.714.31.7
401-500 stems/ha..4.91.14.81.0
501- 600 stems/ha..2.80.82.80.8
more than 600 stems/ha..1.40.61.40.6
total100.0.100.0.100.0.
Eastern Jura0-100 stems/ha100.0.23.23.823.83.9
101-200 stems/ha..30.64.230.44.2
201-300 stems/ha..29.04.128.74.1
301-400 stems/ha..6.62.36.62.3
401-500 stems/ha..8.32.58.22.5
501- 600 stems/ha..1.71.21.61.2
more than 600 stems/ha..0.70.70.70.7
total100.0.100.0.100.0.
Western Plateau0-100 stems/ha..28.64.228.64.2
101-200 stems/ha..27.54.127.54.1
201-300 stems/ha..17.83.517.83.5
301-400 stems/ha..17.63.517.63.5
401-500 stems/ha..3.41.73.41.7
501- 600 stems/ha..3.41.73.41.7
more than 600 stems/ha..1.71.21.71.2
total..100.0.100.0.
Central Plateau0-100 stems/ha100.0.29.03.129.43.1
101-200 stems/ha..36.13.235.93.2
201-300 stems/ha..19.42.719.32.6
301-400 stems/ha..9.52.09.42.0
401-500 stems/ha..3.31.23.21.2
501- 600 stems/ha..0.90.60.90.6
more than 600 stems/ha..1.90.91.90.9
total100.0.100.0.100.0.
Eastern Plateau0-100 stems/ha..32.52.632.52.6
101-200 stems/ha..26.52.526.52.5
201-300 stems/ha..23.02.423.02.4
301-400 stems/ha..12.61.912.61.9
401-500 stems/ha..4.11.14.11.1
501- 600 stems/ha..0.60.40.60.4
more than 600 stems/ha..0.60.40.60.4
total..100.0.100.0.
Western Pre-Alps0-100 stems/ha..24.53.924.33.9
101-200 stems/ha100.0.25.54.026.14.0
201-300 stems/ha..20.53.720.33.6
301-400 stems/ha..10.62.810.52.8
401-500 stems/ha..9.02.68.92.6
501- 600 stems/ha..4.11.84.11.8
more than 600 stems/ha..5.82.15.72.1
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha25.021.720.22.420.32.4
101-200 stems/ha..33.62.833.12.8
201-300 stems/ha25.021.722.02.522.12.5
301-400 stems/ha50.025.010.51.811.01.9
401-500 stems/ha..6.51.56.41.5
501- 600 stems/ha..4.71.34.61.3
more than 600 stems/ha..2.50.92.50.9
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha..18.32.718.02.7
101-200 stems/ha33.327.320.72.820.92.8
201-300 stems/ha33.327.323.12.923.22.9
301-400 stems/ha33.327.317.82.718.02.7
401-500 stems/ha..11.12.210.92.2
501- 600 stems/ha..3.81.33.81.3
more than 600 stems/ha..5.31.65.21.5
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha23.111.732.63.731.93.5
101-200 stems/ha7.77.421.53.220.53.0
201-300 stems/ha46.213.924.53.426.13.3
301-400 stems/ha..9.82.39.12.2
401-500 stems/ha15.410.06.82.07.42.0
501- 600 stems/ha7.77.43.71.54.01.5
more than 600 stems/ha..1.20.91.10.8
total100.0.100.0.100.0.
Central Alps0-100 stems/ha8.38.035.25.631.45.1
101-200 stems/ha25.012.619.44.720.24.4
201-300 stems/ha25.012.616.64.417.84.2
301-400 stems/ha8.38.019.24.617.74.2
401-500 stems/ha8.38.02.71.93.52.0
501- 600 stems/ha25.012.61.41.44.72.3
more than 600 stems/ha..5.52.74.72.3
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha50.015.933.75.135.44.9
101-200 stems/ha20.012.723.24.622.94.3
201-300 stems/ha10.09.522.14.520.84.2
301-400 stems/ha..7.02.86.22.5
401-500 stems/ha10.09.55.82.56.32.5
501- 600 stems/ha..4.62.34.22.0
more than 600 stems/ha10.09.53.52.04.22.0
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha33.59.738.22.837.92.7
101-200 stems/ha29.19.326.92.527.02.4
201-300 stems/ha24.98.814.82.015.62.0
301-400 stems/ha8.35.611.01.810.81.7
401-500 stems/ha..6.11.45.71.3
501- 600 stems/ha..1.30.61.20.6
more than 600 stems/ha4.24.11.60.71.80.7
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha45.615.034.02.334.32.3
101-200 stems/ha18.111.628.12.227.92.2
201-300 stems/ha18.111.618.91.918.91.9
301-400 stems/ha..11.41.611.11.5
401-500 stems/ha18.111.65.11.15.41.1
501- 600 stems/ha..2.00.71.90.7
more than 600 stems/ha..0.50.30.50.3
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha42.48.639.22.439.42.3
101-200 stems/ha27.47.824.22.124.52.1
201-300 stems/ha18.26.717.11.917.21.8
301-400 stems/ha9.15.011.01.610.81.5
401-500 stems/ha3.03.05.71.25.51.1
501- 600 stems/ha..1.50.61.40.6
more than 600 stems/ha..1.20.61.20.5
total100.0.100.0.100.0.
Switzerland0-100 stems/ha34.04.329.80.829.90.8
101-200 stems/ha21.43.727.10.826.90.8
201-300 stems/ha24.83.921.00.721.10.7
301-400 stems/ha9.12.612.00.611.90.6
401-500 stems/ha5.82.15.80.45.80.4
501- 600 stems/ha3.31.62.40.32.40.3
more than 600 stems/ha1.61.21.90.21.90.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162189/148568

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-100 stems/ha0.77134.3935.09
101-200 stems/ha..42.6842.68
201-300 stems/ha1.45039.6841.18
301-400 stems/ha0.77121.41222.112
401-500 stems/ha..7.5217.521
501- 600 stems/ha..4.3294.329
more than 600 stems/ha..2.1412.141
total2.935151.82154.72
Eastern Jura0-100 stems/ha0.410011.11711.516
101-200 stems/ha..14.61414.614
201-300 stems/ha..13.81413.814
301-400 stems/ha..3.2343.234
401-500 stems/ha..4.0304.030
501- 600 stems/ha..0.8700.870
more than 600 stems/ha..0.31000.3100
total0.410047.8248.22
Western Plateau0-100 stems/ha..14.01514.015
101-200 stems/ha..13.41513.415
201-300 stems/ha..8.7208.720
301-400 stems/ha..8.6208.620
401-500 stems/ha..1.6491.649
501- 600 stems/ha..1.6491.649
more than 600 stems/ha..0.8700.870
total..48.7348.73
Central Plateau0-100 stems/ha0.310020.01120.311
101-200 stems/ha..24.8924.89
201-300 stems/ha..13.31413.314
301-400 stems/ha..6.5216.521
401-500 stems/ha..2.2382.238
501- 600 stems/ha..0.6710.671
more than 600 stems/ha..1.3501.350
total0.310068.8269.12
Eastern Plateau0-100 stems/ha..36.8836.88
101-200 stems/ha..30.01030.010
201-300 stems/ha..26.11026.110
301-400 stems/ha..14.31514.315
401-500 stems/ha..4.6274.627
501- 600 stems/ha..0.7710.771
more than 600 stems/ha..0.7710.771
total..113.32113.32
Western Pre-Alps0-100 stems/ha..11.11611.116
101-200 stems/ha0.410011.51611.915
201-300 stems/ha..9.2189.218
301-400 stems/ha..4.8274.827
401-500 stems/ha..4.1294.129
501- 600 stems/ha..1.9441.944
more than 600 stems/ha..2.6372.637
total0.410045.1445.54
Central Pre-Alps0-100 stems/ha0.410020.11220.412
101-200 stems/ha..33.3933.39
201-300 stems/ha0.410021.91222.211
301-400 stems/ha0.77110.41811.117
401-500 stems/ha..6.5236.523
501- 600 stems/ha..4.7274.727
more than 600 stems/ha..2.5372.537
total1.45099.32100.82
Eastern Pre-Alps0-100 stems/ha..13.61513.615
101-200 stems/ha0.410015.41415.714
201-300 stems/ha0.410017.11317.513
301-400 stems/ha0.410013.21513.615
401-500 stems/ha..8.2208.220
501- 600 stems/ha..2.9352.935
more than 600 stems/ha..3.9303.930
total1.15774.3375.33
Northwestern Alps0-100 stems/ha1.15719.01220.012
101-200 stems/ha0.410012.51612.915
201-300 stems/ha2.14014.31416.413
301-400 stems/ha..5.7245.724
401-500 stems/ha0.7713.9304.727
501- 600 stems/ha0.41002.2402.537
more than 600 stems/ha..0.7710.771
total4.62758.3462.94
Central Alps0-100 stems/ha0.31008.8199.118
101-200 stems/ha1.0574.8255.923
201-300 stems/ha1.0574.2285.224
301-400 stems/ha0.31004.8255.224
401-500 stems/ha0.31000.7701.057
501- 600 stems/ha1.0570.31001.449
more than 600 stems/ha..1.4491.449
total4.12725.0829.17
Northeastern Alps0-100 stems/ha1.84410.41712.215
101-200 stems/ha0.7707.2207.919
201-300 stems/ha0.41006.8217.221
301-400 stems/ha..2.1402.140
401-500 stems/ha0.41001.8442.240
501- 600 stems/ha..1.4491.449
more than 600 stems/ha0.41001.1571.449
total3.63030.8634.45
Southwestern Alps0-100 stems/ha2.83540.6843.48
101-200 stems/ha2.43728.51030.99
201-300 stems/ha2.14115.81417.813
301-400 stems/ha0.77111.71612.316
401-500 stems/ha..6.5226.522
501- 600 stems/ha..1.4501.450
more than 600 stems/ha0.31001.7452.141
total8.220106.23114.43
Southeastern Alps0-100 stems/ha1.84549.3751.17
101-200 stems/ha0.77140.8841.58
201-300 stems/ha0.77127.41028.110
301-400 stems/ha..16.51416.514
401-500 stems/ha0.7717.4218.120
501- 600 stems/ha..2.8352.835
more than 600 stems/ha..0.7710.771
total3.930145.02148.92
Southern Alps0-100 stems/ha5.02655.7760.66
101-200 stems/ha3.23334.4937.69
201-300 stems/ha2.14124.31126.511
301-400 stems/ha1.15815.61416.614
401-500 stems/ha0.41008.1208.520
501- 600 stems/ha..2.1412.141
more than 600 stems/ha..1.8451.845
total11.717142.13153.82
Switzerland0-100 stems/ha14.515344.63359.13
101-200 stems/ha9.120313.93323.03
201-300 stems/ha10.618242.63253.23
301-400 stems/ha3.930138.85142.75
401-500 stems/ha2.53867.2769.67
501- 600 stems/ha1.45027.71129.111
more than 600 stems/ha0.77121.71322.412
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162190/148569

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha55.516.6100.0.47.67.770.99.350.115.885.26.164.44.3
101-200 stems/ha44.516.6..33.37.324.98.849.915.814.86.128.14.1
201-300 stems/ha....14.35.4......5.02.0
301-400 stems/ha....4.83.34.24.1....2.51.4
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha50.82.256.81.853.51.667.72.861.82.675.12.158.50.9
101-200 stems/ha39.42.133.11.729.71.524.62.629.32.519.52.030.30.8
201-300 stems/ha8.61.28.61.013.31.16.61.57.71.54.91.19.30.5
301-400 stems/ha0.90.41.40.42.50.50.70.51.20.60.50.31.40.2
401-500 stems/ha0.20.2..0.90.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha..0.10.10.10.10.40.4....0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha50.92.156.91.853.31.668.02.761.52.675.92.058.80.8
101-200 stems/ha39.52.133.01.729.91.424.62.529.92.519.11.930.30.8
201-300 stems/ha8.51.28.61.013.31.16.11.47.51.44.51.09.10.5
301-400 stems/ha0.90.41.40.42.60.51.00.61.10.60.50.31.50.2
401-500 stems/ha0.20.2..0.90.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha..0.10.10.10.10.30.3....0.10.1
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, 07.11.2014 #162191/148570

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha1.8450.7717.1225.8241.84510.31827.511
101-200 stems/ha1.450..5.0272.1411.8441.84512.017
201-300 stems/ha....2.141......2.141
301-400 stems/ha....0.7710.3100....1.158
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total3.2330.77114.9158.2203.53112.11742.79
outside perimeter0-100 stems/ha98.05146.43184.7363.1573.95109.64675.82
101-200 stems/ha76.0685.25102.5522.91135.0928.410350.23
201-300 stems/ha16.61422.31245.886.2239.2197.122107.26
301-400 stems/ha1.8453.5318.5200.7711.4500.77116.714
401-500 stems/ha0.4100..3.233......3.632
501- 600 stems/ha..............
more than 600 stems/ha..0.41000.41000.3100....1.158
total192.82257.91345.1293.33119.53145.931154.51
total0-100 stems/ha99.84147.13191.8369.0575.75120.03703.42
101-200 stems/ha77.5685.25107.5525.01036.8830.210362.23
201-300 stems/ha16.61422.31247.986.2239.2197.122109.35
301-400 stems/ha1.8453.5319.2191.0581.4500.77117.714
401-500 stems/ha0.4100..3.233......3.632
501- 600 stems/ha..............
more than 600 stems/ha..0.41000.41000.3100....1.158
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162192/148571

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 36cm, classified) %± %± %±
AG0-100 stems/ha..68.04.268.04.2
101-200 stems/ha..31.14.231.14.2
201-300 stems/ha......
301-400 stems/ha..0.80.80.80.8
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
AI0-100 stems/ha..12.38.412.38.4
101-200 stems/ha..26.011.326.011.3
201-300 stems/ha..49.312.749.312.7
301-400 stems/ha..12.38.412.38.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
AR0-100 stems/ha..26.88.826.88.8
101-200 stems/ha..31.19.331.19.3
201-300 stems/ha..30.69.230.69.2
301-400 stems/ha..11.56.411.56.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
BE0-100 stems/ha58.612.055.32.355.52.2
101-200 stems/ha23.810.430.72.130.52.1
201-300 stems/ha11.77.810.91.410.91.4
301-400 stems/ha5.95.72.10.62.20.7
401-500 stems/ha..1.00.51.00.4
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
BL/BS0-100 stems/ha100.0.54.27.155.17.0
101-200 stems/ha..38.16.937.46.8
201-300 stems/ha..5.63.25.53.1
301-400 stems/ha..2.02.02.02.0
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
FR0-100 stems/ha..50.84.750.84.7
101-200 stems/ha..32.84.432.84.4
201-300 stems/ha..12.13.012.13.0
301-400 stems/ha..3.51.73.51.7
401-500 stems/ha..0.80.80.80.8
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
GE0-100 stems/ha..73.816.773.816.7
101-200 stems/ha..14.814.614.814.6
201-300 stems/ha..11.410.311.410.3
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
GL0-100 stems/ha57.118.850.18.051.27.4
101-200 stems/ha14.313.324.96.923.36.2
201-300 stems/ha28.617.219.96.421.26.0
301-400 stems/ha..5.03.54.33.0
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
GR0-100 stems/ha61.910.661.32.261.32.1
101-200 stems/ha38.110.629.52.129.92.0
201-300 stems/ha..7.91.27.61.2
301-400 stems/ha..1.20.51.20.5
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
JU0-100 stems/ha33.327.446.05.445.65.3
101-200 stems/ha66.727.336.35.237.45.2
201-300 stems/ha..14.23.813.73.7
301-400 stems/ha..3.52.03.41.9
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
LU0-100 stems/ha..51.04.451.04.4
101-200 stems/ha..33.14.133.14.1
201-300 stems/ha..11.72.911.72.9
301-400 stems/ha..3.21.63.21.6
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.90.90.90.9
total..100.0.100.0.
NE0-100 stems/ha..48.35.448.35.4
101-200 stems/ha..44.95.444.95.4
201-300 stems/ha..6.82.76.82.7
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
NW0-100 stems/ha..47.411.745.011.3
101-200 stems/ha100.0.42.111.545.011.3
201-300 stems/ha..10.57.210.06.9
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
OW0-100 stems/ha100.0.60.06.861.56.6
101-200 stems/ha..28.56.227.56.1
201-300 stems/ha..9.54.19.23.9
301-400 stems/ha......
401-500 stems/ha..1.91.91.81.8
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
SG0-100 stems/ha60.022.045.14.045.54.0
101-200 stems/ha40.022.032.73.832.93.7
201-300 stems/ha..20.33.319.63.2
301-400 stems/ha..1.30.91.30.9
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.70.70.60.6
total100.0.100.0.100.0.
SH0-100 stems/ha..52.88.452.88.4
101-200 stems/ha..38.98.238.98.2
201-300 stems/ha..8.34.78.34.7
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
SO0-100 stems/ha100.0.54.25.555.35.4
101-200 stems/ha..36.15.335.35.2
201-300 stems/ha..9.63.39.43.2
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
SZ0-100 stems/ha..46.85.744.55.6
101-200 stems/ha75.021.735.15.537.05.4
201-300 stems/ha25.021.818.24.418.54.3
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
TG0-100 stems/ha..55.15.955.15.9
101-200 stems/ha..39.45.839.45.8
201-300 stems/ha..4.12.44.12.4
301-400 stems/ha..1.41.41.41.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
TI0-100 stems/ha91.35.878.62.379.52.2
101-200 stems/ha8.75.916.72.116.22.0
201-300 stems/ha..4.31.14.11.1
301-400 stems/ha..0.30.30.30.3
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
UR0-100 stems/ha33.315.866.56.961.26.5
101-200 stems/ha44.416.723.16.126.55.9
201-300 stems/ha11.110.58.44.08.83.8
301-400 stems/ha11.110.52.12.13.52.5
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
VD0-100 stems/ha50.035.456.33.156.23.1
101-200 stems/ha50.035.434.62.934.72.9
201-300 stems/ha..7.31.67.21.6
301-400 stems/ha..0.80.50.80.5
401-500 stems/ha..1.10.71.10.7
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
VS0-100 stems/ha70.99.367.12.767.32.6
101-200 stems/ha24.98.825.22.525.22.4
201-300 stems/ha..6.51.46.01.3
301-400 stems/ha4.24.11.00.61.20.6
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.30.30.30.3
total100.0.100.0.100.0.
ZG0-100 stems/ha..60.812.960.812.9
101-200 stems/ha..27.011.927.011.9
201-300 stems/ha..12.28.312.28.3
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
ZH0-100 stems/ha..57.94.157.94.1
101-200 stems/ha..34.73.934.73.9
201-300 stems/ha..6.82.16.82.1
301-400 stems/ha..0.70.70.70.7
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
Switzerland0-100 stems/ha64.54.358.60.958.80.8
101-200 stems/ha28.14.130.30.830.30.8
201-300 stems/ha5.02.09.20.59.10.5
301-400 stems/ha2.41.41.40.21.50.2
401-500 stems/ha..0.30.10.30.1
501- 600 stems/ha......
more than 600 stems/ha..0.10.10.10.1
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #162193/148572

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha..33.4633.46
101-200 stems/ha..15.31415.314
201-300 stems/ha......
301-400 stems/ha..0.41000.4100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..49.1249.12
AI0-100 stems/ha..0.6690.669
101-200 stems/ha..1.4481.448
201-300 stems/ha..2.6272.627
301-400 stems/ha..0.6690.669
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..5.2125.212
AR0-100 stems/ha..2.2332.233
101-200 stems/ha..2.6322.632
201-300 stems/ha..2.6302.630
301-400 stems/ha..1.0551.055
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..8.468.46
BE0-100 stems/ha3.43192.6596.04
101-200 stems/ha1.45051.4752.87
201-300 stems/ha0.77118.21318.813
301-400 stems/ha0.31003.4313.830
401-500 stems/ha..1.7451.745
501- 600 stems/ha......
more than 600 stems/ha......
total5.824167.32173.12
BL/BS0-100 stems/ha0.410011.01411.413
101-200 stems/ha..7.7197.719
201-300 stems/ha..1.1581.158
301-400 stems/ha..0.41000.4100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.410020.3520.75
FR0-100 stems/ha..22.01022.010
101-200 stems/ha..14.21314.213
201-300 stems/ha..5.2255.225
301-400 stems/ha..1.5491.549
401-500 stems/ha..0.41000.4100
501- 600 stems/ha......
more than 600 stems/ha......
total..43.3343.33
GE0-100 stems/ha..2.3272.327
101-200 stems/ha..0.51000.5100
201-300 stems/ha..0.41000.4100
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..3.1203.120
GL0-100 stems/ha1.5497.7189.216
101-200 stems/ha0.41003.8294.228
201-300 stems/ha0.8703.0343.829
301-400 stems/ha..0.8700.870
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total2.73615.31018.07
GR0-100 stems/ha4.627105.24109.74
101-200 stems/ha2.83550.7753.57
201-300 stems/ha..13.61513.615
301-400 stems/ha..2.1412.141
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total7.421171.62179.02
JU0-100 stems/ha0.410015.21215.612
101-200 stems/ha0.87012.01512.814
201-300 stems/ha..4.7274.727
301-400 stems/ha..1.2571.257
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total1.25733.0434.23
LU0-100 stems/ha..20.8920.89
101-200 stems/ha..13.51313.513
201-300 stems/ha..4.8254.825
301-400 stems/ha..1.3501.350
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.41000.4100
total..40.7340.73
NE0-100 stems/ha..13.61213.612
101-200 stems/ha..12.61312.613
201-300 stems/ha..1.9401.940
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..28.2428.24
NW0-100 stems/ha..3.5263.526
101-200 stems/ha0.41003.1293.526
201-300 stems/ha..0.8690.869
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.41007.3107.78
OW0-100 stems/ha0.77011.81312.512
101-200 stems/ha..5.6225.622
201-300 stems/ha..1.9431.943
301-400 stems/ha......
401-500 stems/ha..0.41000.4100
501- 600 stems/ha......
more than 600 stems/ha......
total0.77019.6620.45
SG0-100 stems/ha1.15724.91026.010
101-200 stems/ha0.77018.11218.812
201-300 stems/ha..11.21711.217
301-400 stems/ha..0.7700.770
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.41000.4100
total1.84455.3457.14
SH0-100 stems/ha..6.8166.816
101-200 stems/ha..5.0215.021
201-300 stems/ha..1.1561.156
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..12.8312.83
SO0-100 stems/ha0.87017.01117.810
101-200 stems/ha..11.41511.415
201-300 stems/ha..3.0343.034
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.87031.4432.23
SZ0-100 stems/ha..13.01313.013
101-200 stems/ha1.1579.81610.915
201-300 stems/ha0.41005.1255.423
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total1.44927.9529.34
TG0-100 stems/ha..11.91111.911
101-200 stems/ha..8.5168.516
201-300 stems/ha..0.9570.957
301-400 stems/ha..0.31000.3100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..21.7421.74
TI0-100 stems/ha7.52190.7498.24
101-200 stems/ha0.77119.31320.012
201-300 stems/ha..5.0265.026
301-400 stems/ha..0.41000.4100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total8.220115.43123.62
UR0-100 stems/ha1.05710.51511.514
101-200 stems/ha1.3493.6285.023
201-300 stems/ha0.31001.3491.743
301-400 stems/ha0.31000.31000.770
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total3.03115.71118.78
VD0-100 stems/ha0.410056.0656.46
101-200 stems/ha0.410034.4934.89
201-300 stems/ha..7.2227.222
301-400 stems/ha..0.8710.871
401-500 stems/ha..1.1581.158
501- 600 stems/ha......
more than 600 stems/ha......
total0.87199.62100.32
VS0-100 stems/ha5.82471.2577.15
101-200 stems/ha2.14126.71028.810
201-300 stems/ha..6.9226.922
301-400 stems/ha0.31001.0581.450
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.31000.3100
total8.220106.23114.43
ZG0-100 stems/ha..3.9213.921
101-200 stems/ha..1.7441.744
201-300 stems/ha..0.8710.871
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..6.376.37
ZH0-100 stems/ha..30.0830.08
101-200 stems/ha..18.01118.011
201-300 stems/ha..3.5313.531
301-400 stems/ha..0.41000.4100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..51.8251.82
Switzerland0-100 stems/ha27.611677.82705.52
101-200 stems/ha12.017350.93362.93
201-300 stems/ha2.141106.75108.95
301-400 stems/ha1.05816.61517.614
401-500 stems/ha..3.6323.632
501- 600 stems/ha......
more than 600 stems/ha..1.1581.158
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #162194/148573

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha55.616.6100.0.62.517.155.85.984.76.364.64.3
101-200 stems/ha44.416.6..37.517.131.45.515.36.328.14.1
201-300 stems/ha......8.63.3..4.91.9
301-400 stems/ha......4.32.4..2.41.4
401-500 stems/ha............
501- 600 stems/ha............
more than 600 stems/ha............
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha51.32.158.01.948.82.062.31.574.82.258.50.9
101-200 stems/ha39.42.132.61.831.81.927.31.419.72.030.40.8
201-300 stems/ha8.41.27.91.115.51.58.60.95.01.19.30.5
301-400 stems/ha0.90.41.20.43.00.71.30.40.50.41.40.2
401-500 stems/ha..0.20.20.80.40.40.2..0.30.1
501- 600 stems/ha............
more than 600 stems/ha..0.20.20.20.20.10.1..0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha51.42.158.11.948.92.061.91.575.62.158.70.8
101-200 stems/ha39.52.132.51.831.91.927.61.319.31.930.30.8
201-300 stems/ha8.31.27.91.115.31.58.60.84.61.09.10.5
301-400 stems/ha0.90.41.20.42.90.71.50.40.50.31.50.2
401-500 stems/ha..0.20.20.80.40.40.2..0.30.1
501- 600 stems/ha............
more than 600 stems/ha..0.20.20.20.20.10.1..0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162195/148574

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha1.8450.41001.84513.5169.91827.411
101-200 stems/ha1.550..1.1587.6211.84511.917
201-300 stems/ha......2.141..2.141
301-400 stems/ha......1.058..1.058
401-500 stems/ha............
501- 600 stems/ha............
more than 600 stems/ha............
total3.3330.41002.93524.21211.71742.49
outside perimeter0-100 stems/ha102.24133.94106.74225.53106.34674.72
101-200 stems/ha78.5675.2669.6699.0527.910350.23
201-300 stems/ha16.81418.31333.91031.2107.122107.26
301-400 stems/ha1.8452.8356.5234.9270.77116.714
401-500 stems/ha..0.41001.8451.450..3.532
501- 600 stems/ha............
more than 600 stems/ha..0.41000.41000.3100..1.158
total199.31231.01218.72362.32142.131153.31
total0-100 stems/ha104.04134.34108.54239.13116.24702.12
101-200 stems/ha79.9575.2670.66106.6529.710362.13
201-300 stems/ha16.81418.31333.91033.3107.122109.35
301-400 stems/ha1.8452.8356.5235.9240.77117.714
401-500 stems/ha..0.41001.8451.450..3.532
501- 600 stems/ha............
more than 600 stems/ha..0.41000.41000.3100..1.158
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162196/148575

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha59.915.561.111.540.09.870.99.354.715.084.76.364.64.3
101-200 stems/ha40.115.522.29.840.09.824.98.845.315.015.36.328.04.1
201-300 stems/ha..11.17.416.07.3......4.92.0
301-400 stems/ha..5.65.44.03.94.24.1....2.51.4
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha54.91.455.02.147.82.667.12.761.62.474.82.258.60.9
101-200 stems/ha35.71.430.41.929.72.425.22.529.12.219.72.030.30.8
201-300 stems/ha8.10.810.51.319.52.16.51.48.01.35.01.19.30.5
301-400 stems/ha1.10.32.70.72.40.81.00.61.20.50.50.41.40.2
401-500 stems/ha0.10.11.40.50.30.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha0.10.1..0.30.30.30.3....0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha55.01.455.22.147.32.567.32.661.52.475.62.158.80.8
101-200 stems/ha35.71.430.21.930.42.325.22.429.52.219.31.930.30.8
201-300 stems/ha8.10.810.51.319.32.06.01.37.81.34.61.09.10.5
301-400 stems/ha1.10.32.80.72.50.81.20.61.20.50.50.31.50.2
401-500 stems/ha0.10.11.40.50.30.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha0.10.1..0.30.30.30.3....0.10.1
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, 07.11.2014 #162197/148576

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha2.1414.0303.4315.8242.1419.91827.411
101-200 stems/ha1.4501.4503.4312.1411.8451.84511.917
201-300 stems/ha..0.7711.450......2.141
301-400 stems/ha..0.41000.31000.3100....1.058
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total3.6326.5238.6198.2203.93011.71742.59
outside perimeter0-100 stems/ha236.53111.4461.1671.2589.45106.34675.92
101-200 stems/ha153.5461.7738.0826.71042.2827.910350.13
201-300 stems/ha35.11021.31224.9116.92211.6177.122106.85
301-400 stems/ha4.6285.4263.1331.0581.8450.77116.714
401-500 stems/ha0.41002.9350.3100......3.632
501- 600 stems/ha..............
more than 600 stems/ha0.4100..0.31000.3100....1.058
total430.41202.72127.83106.23145.02142.131154.11
total0-100 stems/ha238.63115.4464.6677.1591.54116.24703.42
101-200 stems/ha154.9463.1641.5828.81044.0829.710362.03
201-300 stems/ha35.11022.01226.3106.92211.6177.122108.95
301-400 stems/ha4.6285.8253.4311.4501.8450.77117.714
401-500 stems/ha0.41002.9350.3100......3.632
501- 600 stems/ha..............
more than 600 stems/ha0.4100..0.31000.3100....1.058
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #162198/148577
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