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NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · percentage of salvage logging · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %± %±
inside perimeter0%89.03.393.31.591.12.196.51.396.61.497.70.994.70.6
1-50%4.42.22.81.02.61.2..0.60.61.00.61.70.4
over 50%6.62.63.91.16.31.83.51.32.91.31.30.73.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0%84.81.192.21.693.01.996.61.796.91.296.41.789.20.7
1-50%8.40.82.50.92.71.2....2.71.55.30.5
over 50%6.80.85.31.34.31.53.41.73.11.20.90.95.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0%85.11.092.71.192.01.496.51.096.70.997.30.891.30.5
1-50%8.10.82.70.72.70.8..0.20.21.50.64.00.3
over 50%6.80.74.60.95.31.23.51.03.00.91.20.54.80.4
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 #164447/150829

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · percentage of salvage logging · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0%29.01195.6559.7666.2559.46103.44413.32
1-50%1.4502.9351.744..0.41001.1587.522
over 50%2.1414.0304.1282.4371.8451.45015.815
total32.610102.4465.6668.6561.56105.94436.52
outside perimeter0%337.0293.4559.6639.2876.7538.49644.22
1-50%33.3102.5381.744....1.15838.69
over 50%27.2115.4262.8351.4502.5380.410039.59
total397.41101.3564.1640.5879.1539.88722.31
total0%366.02189.02119.33105.33136.12141.821057.51
1-50%34.7105.4263.431..0.41002.14146.09
over 50%29.3119.4196.9223.8304.2291.84555.48
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164448/150830

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · percentage of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionpercentage of salvage logging %± %± %±
Western Jura0%88.24.591.51.491.11.4
1-50%3.92.74.21.04.21.0
over 50%7.83.84.21.04.71.0
total100.0.100.0.100.0.
Eastern Jura0%75.021.779.63.779.53.7
1-50%..15.33.314.83.2
over 50%25.021.75.12.05.72.1
total100.0.100.0.100.0.
Western Plateau0%91.38.384.23.584.83.3
1-50%8.78.32.81.63.31.6
over 50%..13.03.311.93.0
total100.0.100.0.100.0.
Central Plateau0%91.78.081.42.782.02.6
1-50%..10.02.19.52.0
over 50%8.38.08.61.98.61.9
total100.0.100.0.100.0.
Eastern Plateau0%92.96.880.92.381.52.2
1-50%7.16.911.71.911.51.8
over 50%..7.41.57.01.4
total100.0.100.0.100.0.
Western Pre-Alps0%95.22.796.52.495.91.8
1-50%4.82.71.71.73.31.6
over 50%..1.71.70.80.8
total100.0.100.0.100.0.
Central Pre-Alps0%93.62.291.22.392.31.6
1-50%1.61.12.01.21.80.8
over 50%4.81.96.82.15.91.4
total100.0.100.0.100.0.
Eastern Pre-Alps0%88.13.291.42.789.82.1
1-50%4.01.92.91.63.41.3
over 50%7.92.75.72.36.81.8
total100.0.100.0.100.0.
Northwestern Alps0%91.72.890.83.391.32.2
1-50%3.11.84.02.23.51.4
over 50%5.22.35.32.65.21.7
total100.0.100.0.100.0.
Central Alps0%88.65.495.43.292.43.0
1-50%2.92.82.32.32.51.8
over 50%8.64.72.32.35.12.5
total100.0.100.0.100.0.
Northeastern Alps0%98.11.994.43.896.61.9
1-50%..2.82.81.11.1
over 50%1.91.92.82.82.21.6
total100.0.100.0.100.0.
Southwestern Alps0%96.51.396.61.796.51.0
1-50%......
over 50%3.51.33.41.73.51.0
total100.0.100.0.100.0.
Southeastern Alps0%96.61.496.91.296.70.9
1-50%0.60.6..0.20.2
over 50%2.91.33.11.23.00.9
total100.0.100.0.100.0.
Southern Alps0%97.70.996.41.797.30.8
1-50%1.00.62.71.51.50.6
over 50%1.30.70.90.91.20.5
total100.0.100.0.100.0.
Switzerland0%94.70.689.20.791.30.5
1-50%1.70.45.30.54.00.3
over 50%3.60.55.50.54.80.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164449/150831

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · percentage of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %
Western Jura0%16.114123.23139.32
1-50%0.7715.7256.423
over 50%1.4505.7257.122
total18.213134.62152.82
Eastern Jura0%1.25737.1538.35
1-50%..7.1227.122
over 50%0.41002.4402.837
total1.64946.6348.22
Western Plateau0%3.73237.3641.05
1-50%0.41001.2571.650
over 50%..5.8255.825
total4.13144.3448.43
Central Plateau0%3.43052.9456.34
1-50%..6.5216.521
over 50%0.31005.6235.922
total3.72865.0368.72
Eastern Plateau0%4.62786.5391.23
1-50%0.410012.51612.916
over 50%..7.9217.921
total5.026106.92111.92
Western Pre-Alps0%22.21020.71142.94
1-50%1.1570.41001.549
over 50%..0.41000.4100
total23.3921.41044.84
Central Pre-Alps0%41.9748.0790.03
1-50%0.7711.1581.844
over 50%2.2403.6315.724
total44.8752.7697.52
Eastern Pre-Alps0%31.8834.3866.14
1-50%1.4501.1572.537
over 50%2.9352.1405.026
total36.1837.5773.63
Northwestern Alps0%31.4824.71056.14
1-50%1.1571.1582.240
over 50%1.8441.4503.233
total34.3727.2961.54
Central Alps0%10.71514.21324.98
1-50%0.31000.31000.770
over 50%1.0570.31001.449
total12.11414.91327.07
Northeastern Alps0%18.61112.21430.86
1-50%..0.41000.4100
over 50%0.41000.41000.770
total19.01112.91431.96
Southwestern Alps0%66.2539.28105.33
1-50%......
over 50%2.4371.4503.830
total68.6540.58109.13
Southeastern Alps0%59.4676.75136.12
1-50%0.4100..0.4100
over 50%1.8452.5384.229
total61.5679.15140.62
Southern Alps0%103.4438.49141.82
1-50%1.1581.1582.141
over 50%1.4500.41001.845
total105.9439.88145.72
Switzerland0%414.72645.421060.11
1-50%7.52238.5946.08
over 50%15.91539.7955.68
total438.12723.611161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164450/150832

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedcause of salvage logging %± %± %± %± %± %± %±
inside perimetern/a87.04.690.43.793.31.196.11.596.31.697.70.994.70.6
insects3.72.63.22.22.80.7..0.70.70.70.51.70.4
fungi..............
windthrow7.43.63.22.22.60.72.21.11.51.00.30.32.10.4
snow load..1.61.60.60.31.10.81.51.00.70.50.80.3
avalanches..........0.70.50.20.1
landslides..1.61.60.40.3......0.20.1
flooding..............
forest fire..............
loss of vitality1.91.8..0.40.3......0.20.1
others......0.60.6....0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a90.51.380.41.594.01.196.31.896.41.396.61.789.20.7
insects3.70.98.01.12.80.8..1.00.7..4.20.4
fungi..1.20.40.20.2......0.40.1
windthrow2.90.85.60.91.50.60.90.9..1.71.23.00.4
snow load0.80.42.60.61.10.51.91.32.61.10.90.91.70.3
avalanches......0.90.9..0.90.90.10.1
landslides..............
flooding..............
forest fire..............
loss of vitality1.90.61.50.50.40.3......1.00.2
others0.20.20.80.3........0.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a90.21.381.31.493.60.896.11.196.31.097.40.891.30.5
insects3.70.87.61.02.80.5..0.90.50.50.33.30.3
fungi..1.10.40.10.1......0.30.1
windthrow3.30.85.40.82.10.51.80.80.60.40.70.42.70.3
snow load0.70.42.50.60.80.31.40.72.10.80.70.41.30.2
avalanches......0.40.4..0.70.40.10.1
landslides..0.10.10.20.1......0.10.1
flooding..............
forest fire..............
loss of vitality1.90.61.40.40.40.2......0.70.1
others0.20.20.70.3..0.40.4....0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164451/150833

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a16.91420.213166.9458.5545.67106.14414.22
insects0.7710.7715.027..0.41000.7717.522
fungi..............
windthrow1.4500.7714.6281.4500.7710.41009.220
snow load..0.41001.1580.7710.7710.7713.532
avalanches..........0.7710.771
landslides..0.41000.771......1.158
flooding..............
forest fire..............
loss of vitality0.4100..0.771......1.158
others......0.3100....0.3100
total19.51322.312179.0360.9547.47108.64437.52
outside perimetern/a157.82188.93156.0435.3866.1540.08644.12
insects6.52318.7134.628..0.771..30.511
fungi..2.8350.4100......3.233
windthrow5.02613.1162.5380.3100..0.77121.713
snow load1.4506.0241.8450.7711.8450.410012.017
avalanches......0.3100..0.41000.771
landslides..............
flooding..............
forest fire..............
loss of vitality3.2333.5310.771......7.522
others0.41001.845........2.141
total174.42234.82166.0436.7868.6541.48721.81
totaln/a174.82209.02322.9293.83111.73146.121058.31
insects7.22219.4139.619..1.1580.77138.09
fungi..2.8350.4100......3.233
windthrow6.52313.8167.1221.7440.7711.15830.911
snow load1.4506.4232.8351.4502.5381.15815.615
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
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164452/150834

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels 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/a100.0.86.113.393.86.1
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..13.913.26.26.1
others......
total100.0.100.0.100.0.
ARn/a85.713.194.45.592.05.5
insects14.313.5..4.04.0
fungi......
windthrow......
snow load..5.65.54.04.0
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
BEn/a91.92.085.22.087.71.5
insects3.31.38.31.66.51.1
fungi..0.60.50.40.3
windthrow3.81.43.81.13.80.9
snow load..1.00.60.60.3
avalanches......
landslides......
flooding......
forest fire......
loss of vitality1.10.81.00.61.00.5
others......
total100.0.100.0.100.0.
BL/BSn/a80.018.078.26.278.45.8
insects..4.43.03.92.8
fungi......
windthrow20.018.04.43.05.93.3
snow load..6.53.75.93.3
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..6.53.75.93.3
others......
total100.0.100.0.100.0.
FRn/a95.43.287.14.090.32.8
insects2.32.34.32.43.51.7
fungi......
windthrow2.32.34.32.43.51.7
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.41.40.90.9
others..2.92.01.81.2
total100.0.100.0.100.0.
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/a100.0.95.84.197.82.2
insects..4.24.12.22.2
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
GRn/a97.41.096.41.296.90.8
insects0.90.60.80.60.80.4
fungi......
windthrow0.90.6..0.40.3
snow load0.90.62.41.01.70.6
avalanches..0.40.40.20.2
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
JUn/a95.24.395.42.695.42.3
insects4.84.71.51.52.31.6
fungi......
windthrow..1.51.51.21.2
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.51.51.21.2
others......
total100.0.100.0.100.0.
LUn/a90.56.487.83.288.22.9
insects4.84.710.33.09.42.6
fungi......
windthrow..0.90.90.80.8
snow load..0.90.90.80.8
avalanches......
landslides4.84.7..0.80.8
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
NEn/a80.017.990.43.389.83.3
insects20.018.06.02.66.82.7
fungi......
windthrow..2.41.72.31.6
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.21.21.11.1
others......
total100.0.100.0.100.0.
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/a87.07.192.84.990.24.2
insects4.34.3..2.02.0
fungi......
windthrow8.75.93.63.65.93.3
snow load..3.63.62.02.0
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
SGn/a92.53.094.32.893.32.0
insects3.82.1..2.01.1
fungi......
windthrow..2.92.01.30.9
snow load2.51.82.92.02.71.3
avalanches......
landslides1.31.2..0.70.7
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/a75.021.788.83.588.13.6
insects..1.31.21.21.2
fungi......
windthrow..6.22.76.02.6
snow load..2.51.82.41.7
avalanches......
landslides......
flooding......
forest fire......
loss of vitality25.021.81.31.22.41.7
others......
total100.0.100.0.100.0.
SZn/a84.25.995.03.589.83.5
insects5.33.62.52.53.82.2
fungi......
windthrow5.33.62.52.53.82.2
snow load2.62.6..1.31.3
avalanches......
landslides2.62.6..1.31.3
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
TGn/a100.0.73.95.777.65.0
insects..13.14.311.23.8
fungi......
windthrow..6.53.25.62.7
snow load..4.92.84.22.4
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.61.61.41.4
others......
total100.0.100.0.100.0.
TIn/a97.11.197.71.697.30.9
insects0.80.6..0.60.4
fungi......
windthrow0.40.42.31.60.90.5
snow load0.80.6..0.60.4
avalanches0.80.6..0.60.4
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
URn/a96.23.896.53.596.32.6
insects......
fungi......
windthrow3.83.8..1.81.8
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..3.53.51.81.8
others......
total100.0.100.0.100.0.
VDn/a95.92.990.62.091.61.7
insects..3.81.33.11.1
fungi......
windthrow4.12.92.81.13.01.1
snow load..0.50.50.40.4
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..2.31.01.90.9
others......
total100.0.100.0.100.0.
VSn/a96.51.396.61.796.51.0
insects......
fungi......
windthrow2.01.00.80.81.60.7
snow load1.00.71.71.21.30.6
avalanches..0.80.80.30.3
landslides......
flooding......
forest fire......
loss of vitality......
others0.50.5..0.30.3
total100.0.100.0.100.0.
ZGn/a55.617.060.022.757.113.7
insects......
fungi......
windthrow33.316.2..21.411.3
snow load11.110.840.022.721.411.3
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total100.0.100.0.100.0.
ZHn/a100.0.85.92.986.22.9
insects..4.21.74.11.7
fungi..2.11.22.11.2
windthrow..3.51.63.41.5
snow load..2.81.42.81.4
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.70.70.70.7
others..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandn/a94.60.689.20.791.20.5
insects1.70.44.10.43.20.3
fungi..0.50.20.30.1
windthrow2.20.43.00.42.70.3
snow load0.80.31.70.31.40.2
avalanches0.20.10.10.10.10.1
landslides0.20.1..0.10.1
flooding......
forest fire......
loss of vitality0.20.11.10.20.80.2
others0.10.10.30.10.20.1
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164453/150835

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels 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/a2.9242.0374.914
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.31000.3100
others......
total2.9242.3335.212
ARn/a1.9365.5157.48
insects0.3100..0.3100
fungi......
windthrow......
snow load..0.31000.3100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total2.2335.8148.05
BEn/a57.8690.85148.62
insects2.1418.91910.917
fungi..0.7710.771
windthrow2.4384.1296.523
snow load..1.0581.058
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.7711.0581.745
others......
total63.06106.54169.52
BL/BSn/a1.64914.61016.29
insects..0.8700.870
fungi......
windthrow0.41000.8701.257
snow load..1.2571.257
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.2571.257
others......
total2.04318.7720.75
FRn/a15.71322.8938.54
insects0.41001.1571.549
fungi......
windthrow0.41001.1571.549
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others..0.7700.770
total16.41226.1842.63
GEn/a..3.1203.120
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total..3.1203.120
GLn/a8.1188.91616.97
insects..0.41000.4100
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total8.1189.21617.37
GRn/a78.9584.55163.42
insects0.7710.7711.450
fungi......
windthrow0.771..0.771
snow load0.7712.1412.835
avalanches..0.31000.3100
landslides......
flooding......
forest fire......
loss of vitality......
others......
total81.0587.65168.62
JUn/a7.82024.5732.34
insects0.41000.41000.870
fungi......
windthrow..0.41000.4100
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.41000.4100
others......
total8.21925.7733.93
LUn/a6.02129.4635.35
insects0.31003.5293.828
fungi......
windthrow..0.31000.3100
snow load..0.31000.3100
avalanches......
landslides0.3100..0.3100
flooding......
forest fire......
loss of vitality......
others......
total6.62033.4540.03
NEn/a1.34924.0625.36
insects0.31001.6441.940
fungi......
windthrow..0.6700.670
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.31000.3100
others......
total1.64426.6528.24
NWn/a2.7325.0197.78
insects......
fungi......
windthrow......
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total2.7325.0197.78
OWn/a7.5189.71517.26
insects0.4100..0.4100
fungi......
windthrow0.7700.41001.157
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total8.61610.41419.04
SGn/a26.7923.81050.65
insects1.157..1.157
fungi......
windthrow..0.7700.770
snow load0.7700.7701.450
avalanches......
landslides0.4100..0.4100
flooding......
forest fire......
loss of vitality......
others......
total28.9925.31054.24
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/a1.15726.9628.05
insects..0.41000.4100
fungi......
windthrow..1.9441.944
snow load..0.8700.870
avalanches......
landslides......
flooding......
forest fire......
loss of vitality0.41000.41000.870
others......
total1.54930.3431.83
SZn/a11.61413.81325.46
insects0.7700.41001.157
fungi......
windthrow0.7700.41001.157
snow load0.4100..0.4100
avalanches......
landslides0.4100..0.4100
flooding......
forest fire......
loss of vitality......
others......
total13.81214.51228.35
TGn/a3.03013.51016.57
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......
total3.03018.3621.33
TIn/a84.1430.310114.53
insects0.771..0.771
fungi......
windthrow0.41000.7711.158
snow load0.771..0.771
avalanches0.771..0.771
landslides......
flooding......
forest fire......
loss of vitality......
others......
total86.6431.010117.72
URn/a8.3179.01617.39
insects......
fungi......
windthrow0.3100..0.3100
snow load......
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..0.31000.3100
others......
total8.6169.41618.09
VDn/a17.11473.5490.63
insects..3.0353.035
fungi......
windthrow0.7712.3403.035
snow load..0.41000.4100
avalanches......
landslides......
flooding......
forest fire......
loss of vitality..1.9441.944
others......
total17.81381.1498.92
VSn/a66.2539.28105.33
insects......
fungi......
windthrow1.4500.31001.744
snow load0.7710.7711.450
avalanches..0.31000.3100
landslides......
flooding......
forest fire......
loss of vitality......
others0.3100..0.3100
total68.6540.58109.13
ZGn/a2.1371.3533.425
insects......
fungi......
windthrow1.353..1.353
snow load0.41000.9681.353
avalanches......
landslides......
flooding......
forest fire......
loss of vitality......
others......
total3.9212.1386.06
ZHn/a1.15743.0444.14
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
total1.15750.1351.12
Switzerlandn/a413.52646.721060.21
insects7.42230.01137.39
fungi..3.3333.333
windthrow9.41922.11331.511
snow load3.63212.31715.915
avalanches0.7710.7711.450
landslides1.058..1.058
flooding......
forest fire......
loss of vitality1.1587.7228.820
others0.31002.3412.738
total437.02725.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164454/150836

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedcause of salvage logging %± %± %± %± %± %±
inside perimetern/a87.34.591.64.792.01.695.40.997.70.994.60.6
insects3.62.5..3.81.11.10.40.70.51.70.4
fungi............
windthrow7.33.52.92.82.40.92.30.60.30.32.10.4
snow load....1.00.60.90.40.70.50.80.3
avalanches........0.70.50.20.1
landslides..5.63.80.30.3....0.20.1
flooding............
forest fire............
loss of vitality1.81.8..0.30.30.20.2..0.20.1
others......0.20.2..0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a88.71.481.71.692.31.595.60.996.41.789.20.7
insects4.00.97.81.14.21.11.00.4..4.20.4
fungi0.40.31.00.40.30.3....0.40.1
windthrow3.80.95.00.91.00.61.20.51.81.23.00.4
snow load0.80.42.40.61.90.81.60.60.90.91.70.3
avalanches......0.20.20.90.90.10.1
landslides............
flooding............
forest fire............
loss of vitality2.00.61.30.50.30.30.40.3..1.00.2
others0.20.20.80.4......0.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a88.51.482.21.592.21.195.50.697.30.891.30.5
insects4.00.87.41.04.00.81.00.30.50.33.30.3
fungi0.40.30.90.40.20.2....0.30.1
windthrow4.20.94.90.81.70.51.80.40.70.42.70.3
snow load0.70.42.30.61.50.51.20.30.70.41.30.2
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..0.70.2
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 #164455/150837

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a17.51411.61795.95184.43103.44412.82
insects0.771..4.0302.1410.7717.522
fungi............
windthrow1.5500.41002.5384.5280.41009.220
snow load....1.1581.7450.7713.532
avalanches........0.7710.771
landslides..0.7710.4100....1.158
flooding............
forest fire............
loss of vitality0.4100..0.41000.3100..1.158
others......0.3100..0.3100
total20.11312.716104.24193.43105.94436.22
outside perimetern/a160.23176.82103.15165.7438.49644.22
insects7.32216.9144.7271.745..30.611
fungi0.7712.1410.4100....3.233
windthrow6.92310.9181.1582.1410.77121.713
snow load1.5505.3262.2412.8350.410012.017
avalanches......0.31000.41000.771
landslides............
flooding............
forest fire............
loss of vitality3.7312.8350.41000.771..7.522
others0.41001.845......2.141
total180.72216.52111.74173.4439.88722.11
totaln/a177.82188.42198.92350.12141.821057.01
insects8.02116.9148.7203.8300.77138.19
fungi0.7712.1410.4100....3.233
windthrow8.42011.3173.6316.6231.15830.911
snow load1.5505.3263.2334.5281.15815.515
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
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164456/150838

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedcause of salvage logging %± %± %± %± %± %± %±
inside perimetern/a89.03.393.31.591.12.196.51.396.61.497.70.994.70.6
insects2.21.53.21.03.21.3..1.10.80.70.51.70.4
fungi..............
windthrow5.52.42.81.03.21.32.01.01.10.80.30.32.10.4
snow load....2.11.01.00.71.10.80.70.50.80.3
avalanches..........0.70.50.20.1
landslides2.21.5..0.50.5......0.20.1
flooding..............
forest fire..............
loss of vitality1.11.10.70.5........0.20.1
others......0.50.5....0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a84.81.192.21.693.01.996.61.796.91.296.41.789.20.7
insects6.10.74.61.31.60.9..0.90.6..4.30.4
fungi0.70.3..0.50.5......0.40.1
windthrow4.50.62.10.91.10.80.80.8..1.81.23.00.4
snow load1.70.40.70.52.71.21.71.22.21.00.90.91.70.3
avalanches......0.80.8..0.90.90.10.1
landslides..............
flooding..............
forest fire..............
loss of vitality1.60.40.40.41.10.8......1.00.2
others0.50.2..........0.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a85.11.092.71.192.01.496.51.096.70.997.30.891.30.5
insects5.80.73.90.82.40.8..1.00.50.50.33.30.3
fungi0.70.2..0.30.3......0.30.1
windthrow4.60.62.50.72.10.71.60.70.50.40.70.42.70.3
snow load1.60.40.40.32.40.81.30.61.80.70.70.41.30.2
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 #164457/150839

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · cause of salvage logging · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedcause of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a29.01195.6559.7666.2559.46103.44413.32
insects0.7713.2332.141..0.7710.7717.422
fungi..............
windthrow1.8452.9352.1411.4500.7710.41009.220
snow load....1.4500.7710.7710.7713.532
avalanches..........0.7710.771
landslides0.771..0.3100......1.158
flooding..............
forest fire..............
loss of vitality0.41000.771........1.158
others......0.3100....0.3100
total32.610102.4465.6668.6561.56105.94436.52
outside perimetern/a337.0293.4559.6639.2876.7538.49644.22
insects24.3124.7271.058..0.771..30.711
fungi2.935..0.3100......3.233
windthrow17.9142.2410.7710.3100..0.77121.813
snow load6.8230.7711.7440.7711.8450.410012.017
avalanches......0.3100..0.41000.771
landslides..............
flooding..............
forest fire..............
loss of vitality6.4230.41000.771......7.522
others2.141..........2.141
total397.41101.3564.1640.5879.1539.88722.31
totaln/a366.02189.02119.33105.33136.12141.821057.51
insects25.0127.9213.133..1.4500.77138.29
fungi2.935..0.3100......3.233
windthrow19.7135.0262.8351.7440.7711.15831.011
snow load6.8230.7713.1331.4502.5381.15815.515
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
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164458/150840

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago46.36.857.26.236.12.122.53.122.43.69.91.727.71.3
11-20 years ago20.45.525.45.522.01.815.22.720.93.56.91.517.31.1
21-30 years ago3.72.611.14.013.61.59.52.214.93.18.91.611.40.9
31-40 years ago9.33.93.22.27.81.25.61.710.42.65.61.37.00.7
41-50 years ago3.72.61.61.66.11.17.92.06.02.07.51.56.40.7
over 50 years ago16.75.11.61.614.51.639.33.725.43.861.32.830.21.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago52.72.377.91.635.32.220.63.923.23.011.22.950.11.0
11-20 years ago24.62.013.31.323.42.013.13.317.52.78.62.618.40.9
21-30 years ago9.71.34.40.811.01.46.52.416.32.611.12.98.80.6
31-40 years ago5.81.11.80.58.31.37.52.511.82.314.33.26.20.5
41-50 years ago3.50.81.10.47.31.210.43.05.61.64.31.94.20.4
over 50 years ago3.70.91.70.514.71.642.04.825.53.150.54.612.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago52.02.276.11.635.71.521.82.422.92.310.21.541.60.8
11-20 years ago24.21.814.31.322.61.314.42.118.92.27.41.318.00.7
21-30 years ago9.11.25.00.812.31.18.41.615.72.09.51.49.80.5
31-40 years ago6.11.01.90.58.00.96.31.411.31.78.01.36.50.4
41-50 years ago3.50.81.10.46.70.88.81.75.81.36.61.25.00.4
over 50 years ago5.00.91.70.514.61.140.32.925.52.458.32.419.00.6
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 #164459/150841

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago9.02012.71664.6713.71510.61810.718121.35
11-20 years ago4.0305.72539.499.2189.9187.52175.67
21-30 years ago0.7712.53824.3125.8247.1229.61950.08
31-40 years ago1.8450.77113.9163.4314.9266.12430.811
41-50 years ago0.7710.410011.0184.8262.8358.12027.811
over 50 years ago3.2330.410025.91124.01112.01666.66132.15
total19.51322.312179.0360.9547.47108.64437.52
outside perimeterless than 10 years ago91.95182.8358.677.52115.9144.627361.42
11-20 years ago42.9831.11038.794.82612.0163.631133.25
21-30 years ago16.91410.31818.2142.43711.2174.62863.57
31-40 years ago10.1184.32913.8162.7358.1205.92444.99
41-50 years ago6.1242.53812.2173.8303.9301.84530.211
over 50 years ago6.5233.93024.41215.41417.51320.91288.56
total174.42234.82166.0436.7868.6541.48721.81
totalless than 10 years ago100.94195.62123.2421.21226.51015.315482.72
11-20 years ago46.8836.8978.1614.01521.91211.117208.84
21-30 years ago17.71412.71642.498.22018.21314.215113.55
31-40 years ago11.9175.02727.7116.22313.01612.01775.87
41-50 years ago6.9232.83523.2128.6196.7229.91858.18
over 50 years ago9.7194.22950.3839.4829.51087.55220.63
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164460/150842

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGless than 10 years ago..82.83.382.83.3
11-20 years ago..11.52.911.52.9
21-30 years ago..1.61.21.61.2
31-40 years ago......
41-50 years ago..2.51.42.51.4
over 50 years ago..1.61.21.61.2
total..100.0.100.0.
AIless than 10 years ago22.214.213.913.218.59.9
11-20 years ago44.416.941.618.943.212.6
21-30 years ago11.110.8..6.26.1
31-40 years ago..13.913.26.26.1
41-50 years ago11.110.813.913.212.38.4
over 50 years ago11.110.816.814.813.78.9
total100.0.100.0.100.0.
ARless than 10 years ago42.919.027.810.732.09.5
11-20 years ago28.617.438.911.736.09.8
21-30 years ago28.617.416.78.920.08.1
31-40 years ago..11.17.58.05.5
41-50 years ago......
over 50 years ago..5.65.54.04.0
total100.0.100.0.100.0.
BEless than 10 years ago42.33.658.12.852.32.2
11-20 years ago19.12.918.12.218.41.7
21-30 years ago16.32.77.71.510.91.4
31-40 years ago6.01.75.11.35.41.0
41-50 years ago5.41.73.51.04.20.9
over 50 years ago10.92.37.41.58.71.3
total100.0.100.0.100.0.
BL/BSless than 10 years ago20.018.054.67.451.27.0
11-20 years ago60.022.128.46.731.56.5
21-30 years ago..8.74.27.93.8
31-40 years ago20.018.02.22.23.92.8
41-50 years ago..1.81.81.61.6
over 50 years ago..4.43.03.92.8
total100.0.100.0.100.0.
FRless than 10 years ago47.77.661.55.856.24.7
11-20 years ago15.95.521.44.919.33.7
21-30 years ago..7.13.14.31.9
31-40 years ago15.95.52.92.07.92.5
41-50 years ago6.83.82.92.04.41.9
over 50 years ago13.75.24.32.47.92.5
total100.0.100.0.100.0.
GEless than 10 years ago..59.119.559.119.5
11-20 years ago......
21-30 years ago..40.919.640.919.6
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..100.0.100.0.
GLless than 10 years ago28.710.029.29.428.96.8
11-20 years ago19.18.725.08.922.36.3
21-30 years ago19.18.720.88.420.06.0
31-40 years ago4.84.78.35.76.73.8
41-50 years ago4.84.78.35.76.73.8
over 50 years ago23.59.38.35.715.45.4
total100.0.100.0.100.0.
GRless than 10 years ago18.62.622.72.620.71.8
11-20 years ago18.52.616.72.417.61.7
21-30 years ago14.62.315.82.315.31.6
31-40 years ago9.01.913.12.111.11.4
41-50 years ago6.51.65.91.56.21.1
over 50 years ago32.83.125.72.829.12.1
total100.0.100.0.100.0.
JUless than 10 years ago61.910.654.66.256.45.3
11-20 years ago23.89.321.25.121.94.4
21-30 years ago..10.63.88.12.9
31-40 years ago4.84.77.63.36.92.7
41-50 years ago4.84.72.92.03.31.9
over 50 years ago4.84.73.02.13.52.0
total100.0.100.0.100.0.
LUless than 10 years ago28.69.964.04.758.14.4
11-20 years ago42.910.822.74.126.03.9
21-30 years ago19.08.63.91.96.42.2
31-40 years ago9.56.45.62.26.32.2
41-50 years ago..2.81.62.41.3
over 50 years ago..0.90.90.80.8
total100.0.100.0.100.0.
NEless than 10 years ago80.017.974.84.775.14.6
11-20 years ago..13.33.712.53.5
21-30 years ago..4.22.33.92.2
31-40 years ago..5.12.54.82.4
41-50 years ago..1.51.51.41.4
over 50 years ago20.018.01.21.22.31.6
total100.0.100.0.100.0.
NWless than 10 years ago14.313.530.813.125.09.9
11-20 years ago57.119.030.813.140.011.2
21-30 years ago14.313.57.77.610.06.9
31-40 years ago......
41-50 years ago......
over 50 years ago14.313.530.813.125.09.9
total100.0.100.0.100.0.
OWless than 10 years ago60.910.325.18.341.27.0
11-20 years ago8.75.925.18.317.75.4
21-30 years ago..10.45.75.73.2
31-40 years ago..3.63.62.02.0
41-50 years ago4.34.314.36.79.84.2
over 50 years ago26.19.221.57.823.66.0
total100.0.100.0.100.0.
SGless than 10 years ago33.75.350.06.041.34.0
11-20 years ago28.85.117.14.523.33.5
21-30 years ago11.23.58.63.410.02.5
31-40 years ago7.52.98.63.48.02.2
41-50 years ago3.82.11.41.42.71.3
over 50 years ago15.04.014.34.214.72.9
total100.0.100.0.100.0.
SHless than 10 years ago..52.88.452.88.4
11-20 years ago..33.37.933.37.9
21-30 years ago..11.15.311.15.3
31-40 years ago......
41-50 years ago......
over 50 years ago..2.82.82.82.8
total..100.0.100.0.
SOless than 10 years ago50.025.155.05.654.85.5
11-20 years ago..27.55.026.24.8
21-30 years ago..2.51.82.41.7
31-40 years ago..6.32.76.02.6
41-50 years ago..2.51.82.41.7
over 50 years ago50.025.16.32.78.33.0
total100.0.100.0.100.0.
SZless than 10 years ago52.78.130.07.341.05.6
11-20 years ago15.85.925.06.920.54.6
21-30 years ago7.94.45.03.56.42.8
31-40 years ago7.94.45.03.56.42.8
41-50 years ago7.94.47.54.27.73.0
over 50 years ago7.94.427.57.118.04.4
total100.0.100.0.100.0.
TGless than 10 years ago30.014.680.05.173.05.2
11-20 years ago30.014.69.83.812.64.0
21-30 years ago40.015.68.23.512.64.0
31-40 years ago..2.12.01.81.8
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
TIless than 10 years ago8.71.812.73.69.71.6
11-20 years ago7.01.69.23.17.61.5
21-30 years ago7.51.711.43.48.51.5
31-40 years ago5.81.513.73.77.91.5
41-50 years ago7.81.74.62.37.01.4
over 50 years ago63.23.148.45.459.32.7
total100.0.100.0.100.0.
URless than 10 years ago34.49.432.28.933.26.5
11-20 years ago19.17.73.53.511.04.3
21-30 years ago8.25.517.67.213.14.6
31-40 years ago19.17.77.04.812.84.6
41-50 years ago3.83.811.06.07.63.7
over 50 years ago15.37.128.68.622.35.7
total100.0.100.0.100.0.
VDless than 10 years ago29.76.747.23.444.13.1
11-20 years ago23.56.222.42.922.62.6
21-30 years ago19.25.811.32.212.72.1
31-40 years ago6.43.65.61.65.81.4
41-50 years ago6.43.67.01.76.91.6
over 50 years ago14.85.26.51.78.01.7
total100.0.100.0.100.0.
VSless than 10 years ago22.53.022.03.822.32.3
11-20 years ago15.02.513.63.214.52.0
21-30 years ago10.02.16.82.38.81.6
31-40 years ago6.01.77.62.46.61.4
41-50 years ago9.02.010.32.89.51.6
over 50 years ago37.53.439.74.538.32.7
total100.0.100.0.100.0.
ZGless than 10 years ago100.0.80.018.592.97.1
11-20 years ago......
21-30 years ago..20.018.57.17.1
31-40 years ago......
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
ZHless than 10 years ago33.327.374.73.773.83.7
11-20 years ago33.327.316.23.116.53.1
21-30 years ago..5.61.95.51.9
31-40 years ago..3.51.63.41.5
41-50 years ago......
over 50 years ago33.327.3..0.70.7
total100.0.100.0.100.0.
Switzerlandless than 10 years ago27.91.250.11.141.70.8
11-20 years ago17.21.118.50.918.00.7
21-30 years ago11.30.98.80.69.80.5
31-40 years ago7.00.76.20.56.50.4
41-50 years ago6.40.74.20.45.00.4
over 50 years ago30.21.312.20.719.00.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164461/150843

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago..40.7540.75
11-20 years ago..5.6255.625
21-30 years ago..0.8700.870
31-40 years ago......
41-50 years ago..1.2571.257
over 50 years ago..0.8700.870
total..49.1249.12
AIless than 10 years ago0.6690.31001.054
11-20 years ago1.3451.0542.330
21-30 years ago0.3100..0.3100
31-40 years ago..0.31000.3100
41-50 years ago0.31000.31000.669
over 50 years ago0.31000.41000.771
total2.9242.3335.212
ARless than 10 years ago1.0551.6412.630
11-20 years ago0.6692.2332.928
21-30 years ago0.6691.0551.641
31-40 years ago..0.6690.669
41-50 years ago......
over 50 years ago..0.31000.3100
total2.2335.8148.05
BEless than 10 years ago26.71062.0688.65
11-20 years ago12.01619.31331.310
21-30 years ago10.3188.32018.513
31-40 years ago3.8305.5259.219
41-50 years ago3.4313.8307.221
over 50 years ago6.8227.92014.715
total63.06106.54169.52
BL/BSless than 10 years ago0.410010.21510.614
11-20 years ago1.2575.3246.521
21-30 years ago..1.6491.649
31-40 years ago0.41000.41000.870
41-50 years ago..0.31000.3100
over 50 years ago..0.8700.870
total2.04318.7720.75
FRless than 10 years ago7.82016.11223.99
11-20 years ago2.6375.6248.220
21-30 years ago..1.9441.944
31-40 years ago2.6370.7703.432
41-50 years ago1.1570.7701.944
over 50 years ago2.2401.1573.432
total16.41226.1842.63
GEless than 10 years ago..1.8361.836
11-20 years ago......
21-30 years ago..1.3541.354
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..3.1203.120
GLless than 10 years ago2.3392.7365.024
11-20 years ago1.5492.3393.929
21-30 years ago1.5491.9433.531
31-40 years ago0.41000.8701.257
41-50 years ago0.41000.8701.257
over 50 years ago1.9440.8702.736
total8.1189.21617.37
GRless than 10 years ago15.01519.91335.09
11-20 years ago15.01514.71529.710
21-30 years ago11.91713.91525.711
31-40 years ago7.32111.51718.813
41-50 years ago5.2255.22610.418
over 50 years ago26.51122.51249.17
total81.0587.65168.62
JUless than 10 years ago5.12614.01319.110
11-20 years ago1.9445.5257.420
21-30 years ago..2.7362.736
31-40 years ago0.41001.9442.340
41-50 years ago0.41000.7711.158
over 50 years ago0.41000.8701.257
total8.21925.7733.93
LUless than 10 years ago1.94021.4923.38
11-20 years ago2.8327.61910.415
21-30 years ago1.3491.3502.635
31-40 years ago0.6701.9402.534
41-50 years ago..0.9570.957
over 50 years ago..0.31000.3100
total6.62033.4540.03
NEless than 10 years ago1.34919.9721.17
11-20 years ago..3.5283.528
21-30 years ago..1.1581.158
31-40 years ago..1.4501.450
41-50 years ago..0.41000.4100
over 50 years ago0.31000.31000.670
total1.64426.6528.24
NWless than 10 years ago0.41001.5461.940
11-20 years ago1.5461.5463.129
21-30 years ago0.41000.41000.869
31-40 years ago......
41-50 years ago......
over 50 years ago0.41001.5461.940
total2.7325.0197.78
OWless than 10 years ago5.2232.6367.817
11-20 years ago0.7702.6363.431
21-30 years ago..1.1571.157
31-40 years ago..0.41000.4100
41-50 years ago0.41001.5491.943
over 50 years ago2.2392.2394.526
total8.61610.41419.04
SGless than 10 years ago9.81812.61522.411
11-20 years ago8.3204.32812.615
21-30 years ago3.2332.2405.425
31-40 years ago2.2402.2404.328
41-50 years ago1.1570.41001.450
over 50 years ago4.3283.6318.020
total28.9925.31054.24
SHless than 10 years ago..6.8166.816
11-20 years ago..4.3244.324
21-30 years ago..1.4481.448
31-40 years ago......
41-50 years ago......
over 50 years ago..0.41000.4100
total..12.8312.83
SOless than 10 years ago0.87016.71117.411
11-20 years ago..8.3198.319
21-30 years ago..0.8700.870
31-40 years ago..1.9441.944
41-50 years ago..0.8700.870
over 50 years ago0.8701.9442.636
total1.54930.3431.83
SZless than 10 years ago7.2204.32711.614
11-20 years ago2.2403.6305.823
21-30 years ago1.1570.7711.844
31-40 years ago1.1570.7701.844
41-50 years ago1.1571.1572.240
over 50 years ago1.1574.0295.125
total13.81214.51228.35
TGless than 10 years ago0.95714.6815.58
11-20 years ago0.9571.8392.731
21-30 years ago1.2491.5432.731
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago......
total3.03018.3621.33
TIless than 10 years ago7.5213.93011.517
11-20 years ago6.1242.9359.019
21-30 years ago6.5233.53110.018
31-40 years ago5.0264.2299.319
41-50 years ago6.8221.4508.220
over 50 years ago54.8615.01569.85
total86.6431.010117.72
URless than 10 years ago3.0313.0326.021
11-20 years ago1.7430.31002.039
21-30 years ago0.7711.7442.437
31-40 years ago1.7440.7702.336
41-50 years ago0.31001.0581.450
over 50 years ago1.3492.7344.027
total8.6169.41618.09
VDless than 10 years ago5.32638.3843.67
11-20 years ago4.23018.11322.312
21-30 years ago3.4339.12012.516
31-40 years ago1.1584.6285.725
41-50 years ago1.1585.7256.823
over 50 years ago2.6385.3267.921
total17.81381.1498.92
VSless than 10 years ago15.4148.91924.411
11-20 years ago10.3185.52515.814
21-30 years ago6.9222.7359.618
31-40 years ago4.1283.1337.221
41-50 years ago6.2234.22910.318
over 50 years ago25.71016.11441.88
total68.6540.58109.13
ZGless than 10 years ago3.9211.7445.69
11-20 years ago......
21-30 years ago..0.41000.4100
31-40 years ago......
41-50 years ago......
over 50 years ago......
total3.9212.1386.06
ZHless than 10 years ago0.410037.4637.76
11-20 years ago0.41008.1198.519
21-30 years ago..2.8352.835
31-40 years ago..1.8441.844
41-50 years ago......
over 50 years ago0.4100..0.4100
total1.15750.1351.12
Switzerlandless than 10 years ago121.85363.02484.82
11-20 years ago75.37134.05209.34
21-30 years ago49.3864.17113.45
31-40 years ago30.71144.9975.57
41-50 years ago27.81130.41158.28
over 50 years ago132.2588.86221.03
total437.02725.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164462/150844

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimeterless than 10 years ago47.36.750.08.346.42.924.31.89.71.727.81.2
11-20 years ago20.05.427.87.523.22.518.81.67.01.517.31.1
21-30 years ago3.62.513.95.89.31.714.71.58.41.611.30.9
31-40 years ago9.13.92.82.76.91.57.91.15.71.37.00.7
41-50 years ago3.62.52.82.74.51.27.31.17.31.56.30.7
over 50 years ago16.45.02.82.79.71.727.01.961.92.830.21.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago54.82.276.81.741.62.826.42.010.72.950.11.1
11-20 years ago24.81.913.21.426.12.516.01.68.02.618.50.9
21-30 years ago8.51.35.20.98.41.613.21.511.53.08.80.6
31-40 years ago4.81.02.30.68.41.69.41.314.13.36.20.5
41-50 years ago3.80.90.80.46.11.47.41.24.41.94.20.4
over 50 years ago3.20.81.80.59.41.727.52.051.34.712.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago54.02.175.31.743.92.025.31.310.01.541.70.8
11-20 years ago24.41.814.01.424.71.817.41.27.31.318.00.7
21-30 years ago8.01.25.70.98.81.214.01.19.21.49.80.5
31-40 years ago5.31.02.30.67.71.18.60.98.01.36.50.4
41-50 years ago3.80.80.90.45.30.97.40.86.51.25.00.4
over 50 years ago4.50.91.80.59.51.227.31.459.02.419.00.6
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 #164463/150845

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago9.5196.32348.3847.0810.318121.55
11-20 years ago4.0303.53124.11236.397.42175.47
21-30 years ago0.7711.8459.71928.4118.92049.58
31-40 years ago1.8450.41007.22215.2156.02430.611
41-50 years ago0.7710.41004.72714.2157.72127.711
over 50 years ago3.3330.410010.11952.2865.56131.55
total20.11312.716104.24193.43105.94436.22
outside perimeterless than 10 years ago98.94166.2346.5845.884.329361.62
11-20 years ago44.9828.51129.21027.7113.233133.55
21-30 years ago15.31511.3179.41923.0124.62863.57
31-40 years ago8.8204.9279.41916.3145.62545.09
41-50 years ago6.9231.8456.82312.9161.84530.211
over 50 years ago5.8253.93010.51847.7820.51288.36
total180.72216.52111.74173.4439.88722.11
totalless than 10 years ago108.44172.5394.8592.8514.515483.12
11-20 years ago48.9832.01053.3764.0710.618208.94
21-30 years ago16.11513.01619.11351.4813.416113.05
31-40 years ago10.6185.32616.61431.51011.61775.67
41-50 years ago7.7222.14111.51727.1119.51957.98
over 50 years ago9.1204.22920.513100.0586.05219.83
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164464/150846

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago48.45.240.52.939.53.622.53.020.03.09.71.727.81.2
11-20 years ago23.14.420.82.423.23.115.02.522.33.17.01.517.31.1
21-30 years ago7.72.814.42.111.32.310.02.115.42.78.41.611.40.9
31-40 years ago6.62.66.71.58.12.06.01.710.32.35.71.37.10.7
41-50 years ago3.31.95.31.34.71.59.02.06.91.97.31.56.30.7
over 50 years ago11.03.312.32.013.22.537.53.425.23.361.92.830.11.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 10 years ago67.01.440.62.935.13.522.03.824.92.910.72.950.21.1
11-20 years ago18.41.223.12.521.33.013.63.218.22.68.02.618.40.9
21-30 years ago6.70.79.31.711.62.46.82.316.32.511.53.08.80.6
31-40 years ago3.40.57.11.58.12.07.62.412.82.214.13.36.20.5
41-50 years ago2.20.47.11.55.41.710.32.86.11.64.41.94.20.4
over 50 years ago2.40.512.82.018.62.939.74.521.62.751.34.712.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago65.51.440.52.137.32.522.32.322.82.110.01.541.70.8
11-20 years ago18.71.121.91.722.22.214.52.020.02.07.31.318.00.7
21-30 years ago6.70.711.91.411.41.78.81.615.91.89.21.49.80.5
31-40 years ago3.70.56.91.18.11.46.61.411.71.68.01.36.50.4
41-50 years ago2.30.46.21.05.11.19.51.66.41.26.51.25.00.4
over 50 years ago3.10.512.61.415.91.938.32.723.22.159.02.419.00.6
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 #164465/150847

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago15.71541.5825.91115.41412.31610.318121.15
11-20 years ago7.52221.31215.21410.31813.7157.42175.47
21-30 years ago2.53814.8157.4226.9229.5198.92049.98
31-40 years ago2.1416.9235.3264.1286.3236.02430.811
41-50 years ago1.1585.4263.1336.2234.2287.72127.711
over 50 years ago3.63212.6168.61925.71015.51465.56131.65
total32.610102.4465.6668.6561.56105.94436.52
outside perimeterless than 10 years ago266.1241.1922.5128.91919.7134.329362.62
11-20 years ago73.0623.41213.6155.52514.4153.233133.25
21-30 years ago26.5119.4197.4212.73512.9164.62863.57
31-40 years ago13.6167.2225.2253.13310.1185.62544.89
41-50 years ago8.6207.2223.5314.2294.9261.84530.111
over 50 years ago9.71913.01611.91716.11417.11420.51288.26
total397.41101.3564.1640.5879.1539.88722.31
totalless than 10 years ago281.8282.6548.4724.41132.0914.515483.72
11-20 years ago80.5644.7828.81015.81428.11010.618208.64
21-30 years ago29.01124.21214.8159.61822.41213.416113.45
31-40 years ago15.71514.11610.5187.22116.51411.61775.67
41-50 years ago9.71912.6166.62210.3189.1199.51957.88
over 50 years ago13.21625.61120.61241.8832.6986.05219.83
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164466/150848

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juraless than 10 years ago49.07.054.32.653.72.4
11-20 years ago17.75.423.32.222.72.0
21-30 years ago3.92.79.61.58.91.4
31-40 years ago7.83.85.61.25.81.1
41-50 years ago3.92.74.31.04.21.0
over 50 years ago17.65.32.90.94.71.0
total100.0.100.0.100.0.
Eastern Juraless than 10 years ago25.021.756.04.555.04.5
11-20 years ago50.025.129.74.230.44.2
21-30 years ago..5.12.04.92.0
31-40 years ago25.021.72.51.53.31.6
41-50 years ago..2.41.42.31.3
over 50 years ago..4.21.94.11.8
total100.0.100.0.100.0.
Western Plateauless than 10 years ago69.614.764.04.664.54.4
11-20 years ago20.312.814.73.415.23.3
21-30 years ago..9.22.88.42.6
31-40 years ago..3.71.83.41.7
41-50 years ago10.19.63.71.84.31.9
over 50 years ago..4.62.04.31.9
total100.0.100.0.100.0.
Central Plateauless than 10 years ago50.014.579.32.877.72.8
11-20 years ago33.313.614.02.415.12.4
21-30 years ago8.38.02.91.23.21.2
31-40 years ago8.38.01.90.92.31.0
41-50 years ago......
over 50 years ago..1.90.91.80.9
total100.0.100.0.100.0.
Eastern Plateauless than 10 years ago35.712.879.62.377.62.4
11-20 years ago28.612.112.01.912.81.9
21-30 years ago28.612.15.41.36.41.4
31-40 years ago..2.00.81.90.8
41-50 years ago..0.30.30.30.3
over 50 years ago7.16.90.70.51.00.6
total100.0.100.0.100.0.
Western Pre-Alpsless than 10 years ago39.76.238.16.438.94.4
11-20 years ago17.54.825.85.821.53.7
21-30 years ago7.93.415.44.711.52.9
31-40 years ago14.34.46.93.310.82.8
41-50 years ago6.43.18.63.77.52.4
over 50 years ago14.34.45.22.99.92.7
total100.0.100.0.100.0.
Central Pre-Alpsless than 10 years ago50.44.543.54.146.73.0
11-20 years ago24.83.926.53.625.72.7
21-30 years ago11.22.85.51.98.11.7
31-40 years ago2.41.48.82.35.91.4
41-50 years ago3.21.66.12.04.81.3
over 50 years ago8.02.49.52.48.81.7
total100.0.100.0.100.0.
Eastern Pre-Alpsless than 10 years ago45.55.040.94.843.23.5
11-20 years ago24.84.325.74.325.23.0
21-30 years ago7.92.78.62.78.31.9
31-40 years ago7.92.78.62.78.31.9
41-50 years ago5.02.24.82.14.91.5
over 50 years ago8.92.811.43.110.22.1
total100.0.100.0.100.0.
Northwestern Alpsless than 10 years ago28.14.636.95.532.03.6
11-20 years ago17.73.914.54.016.32.8
21-30 years ago22.94.311.83.718.02.9
31-40 years ago7.32.73.92.25.81.8
41-50 years ago7.32.77.93.17.52.0
over 50 years ago16.73.825.05.020.43.1
total100.0.100.0.100.0.
Central Alpsless than 10 years ago37.18.227.86.932.05.3
11-20 years ago17.16.49.24.412.73.8
21-30 years ago11.65.514.05.313.03.8
31-40 years ago14.35.96.93.910.23.4
41-50 years ago5.73.97.14.06.52.8
over 50 years ago14.35.934.97.325.75.0
total100.0.100.0.100.0.
Northeastern Alpsless than 10 years ago30.26.327.87.529.24.8
11-20 years ago24.55.922.27.023.64.5
21-30 years ago17.05.216.76.216.94.0
31-40 years ago3.82.68.34.65.62.4
41-50 years ago3.82.65.63.84.52.2
over 50 years ago20.85.619.46.620.24.3
total100.0.100.0.100.0.
Southwestern Alpsless than 10 years ago22.53.022.03.822.32.3
11-20 years ago15.02.513.63.214.52.0
21-30 years ago10.02.16.82.38.81.6
31-40 years ago6.01.77.62.46.61.4
41-50 years ago9.02.010.32.89.51.6
over 50 years ago37.53.439.74.538.32.7
total100.0.100.0.100.0.
Southeastern Alpsless than 10 years ago20.03.024.92.922.82.1
11-20 years ago22.33.118.22.620.02.0
21-30 years ago15.42.716.32.515.91.8
31-40 years ago10.32.312.82.211.71.6
41-50 years ago6.91.96.11.66.41.2
over 50 years ago25.23.321.62.723.22.1
total100.0.100.0.100.0.
Southern Alpsless than 10 years ago9.71.710.72.910.01.5
11-20 years ago7.01.58.02.67.31.3
21-30 years ago8.41.611.53.09.21.4
31-40 years ago5.71.314.13.38.01.3
41-50 years ago7.31.54.41.96.51.2
over 50 years ago61.92.851.34.759.02.4
total100.0.100.0.100.0.
Switzerlandless than 10 years ago27.81.249.91.141.60.8
11-20 years ago17.31.118.60.918.10.7
21-30 years ago11.40.98.80.69.80.5
31-40 years ago7.00.76.20.56.50.4
41-50 years ago6.40.74.20.45.00.4
over 50 years ago30.11.212.20.719.00.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164467/150849

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago8.91973.2582.15
11-20 years ago3.23331.41034.79
21-30 years ago0.77112.91613.616
31-40 years ago1.4507.5218.920
41-50 years ago0.7715.7256.523
over 50 years ago3.2333.9307.122
total18.213134.62152.82
Eastern Juraless than 10 years ago0.410026.1826.58
11-20 years ago0.87013.81414.614
21-30 years ago..2.4402.440
31-40 years ago0.41001.2571.649
41-50 years ago..1.1581.158
over 50 years ago..2.0442.044
total1.64946.6348.22
Western Plateauless than 10 years ago2.83728.4831.28
11-20 years ago0.8706.5247.422
21-30 years ago..4.1314.131
31-40 years ago..1.6491.649
41-50 years ago0.41001.6492.144
over 50 years ago..2.1442.144
total4.13144.3448.43
Central Plateauless than 10 years ago1.94051.5453.44
11-20 years ago1.2509.11810.416
21-30 years ago0.31001.9402.237
31-40 years ago0.31001.2501.544
41-50 years ago......
over 50 years ago..1.2501.250
total3.72865.0368.72
Eastern Plateauless than 10 years ago1.84485.1486.93
11-20 years ago1.45012.91614.315
21-30 years ago1.4505.7247.122
31-40 years ago..2.1412.141
41-50 years ago..0.41000.4100
over 50 years ago0.41000.7711.158
total5.026106.92111.92
Western Pre-Alpsless than 10 years ago9.3188.22017.412
11-20 years ago4.1295.5259.618
21-30 years ago1.8443.3335.126
31-40 years ago3.3321.5494.826
41-50 years ago1.5491.9443.332
over 50 years ago3.3321.1574.428
total23.3921.41044.84
Central Pre-Alpsless than 10 years ago22.61122.91145.57
11-20 years ago11.11714.01525.111
21-30 years ago5.0262.9357.921
31-40 years ago1.1584.7275.724
41-50 years ago1.4503.2334.727
over 50 years ago3.6315.0268.620
total44.8752.7697.52
Eastern Pre-Alpsless than 10 years ago16.41315.41431.88
11-20 years ago8.9199.61818.612
21-30 years ago2.9353.2336.123
31-40 years ago2.9353.2336.123
41-50 years ago1.8441.8443.631
over 50 years ago3.2334.3287.521
total36.1837.5773.63
Northwestern Alpsless than 10 years ago9.61810.01819.712
11-20 years ago6.1233.93010.018
21-30 years ago7.9203.23311.117
31-40 years ago2.5371.1573.631
41-50 years ago2.5372.1404.627
over 50 years ago5.7246.82212.516
total34.3727.2961.54
Central Alpsless than 10 years ago4.5264.2288.618
11-20 years ago2.1401.4493.430
21-30 years ago1.4502.1403.531
31-40 years ago1.7441.0572.734
41-50 years ago0.7701.1581.744
over 50 years ago1.7445.2256.921
total12.11414.91327.07
Northeastern Alpsless than 10 years ago5.7243.6309.318
11-20 years ago4.7262.9347.520
21-30 years ago3.2322.1405.424
31-40 years ago0.7701.1571.844
41-50 years ago0.7700.7701.449
over 50 years ago3.9292.5376.422
total19.01112.91431.96
Southwestern Alpsless than 10 years ago15.4148.91924.411
11-20 years ago10.3185.52515.814
21-30 years ago6.9222.7359.618
31-40 years ago4.1283.1337.221
41-50 years ago6.2234.22910.318
over 50 years ago25.71016.11441.88
total68.6540.58109.13
Southeastern Alpsless than 10 years ago12.31619.71332.09
11-20 years ago13.71514.41528.110
21-30 years ago9.51912.91622.412
31-40 years ago6.32310.11816.514
41-50 years ago4.2284.9269.119
over 50 years ago15.51417.11432.69
total61.5679.15140.62
Southern Alpsless than 10 years ago10.3184.32914.515
11-20 years ago7.4213.23310.618
21-30 years ago8.9204.62813.416
31-40 years ago6.0245.62511.617
41-50 years ago7.7211.8459.519
over 50 years ago65.5620.51286.05
total105.9439.88145.72
Switzerlandless than 10 years ago121.95361.32483.32
11-20 years ago75.87134.25210.14
21-30 years ago49.9864.07113.85
31-40 years ago30.81145.1975.97
41-50 years ago27.91130.41158.38
over 50 years ago131.8588.56220.33
total438.12723.611161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164468/150850

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · degree of mixture · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a....2.80.71.10.83.71.62.00.82.20.4
pure conifer forest5.63.115.94.645.22.279.83.086.63.033.22.748.21.4
mixed conifer forest29.66.236.56.123.11.93.91.52.21.36.81.415.11.0
mixed broadleaf forest35.26.520.65.112.31.55.11.63.71.68.21.610.80.9
pure broadleaf forest29.66.227.05.616.61.710.12.33.71.649.82.923.71.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.40.90.41.30.55.72.22.61.1..1.30.2
pure conifer forest29.12.123.91.750.62.363.54.780.62.842.04.639.71.0
mixed conifer forest25.22.024.41.718.61.89.42.85.61.65.72.119.60.9
mixed broadleaf forest20.31.817.21.511.61.56.52.44.11.43.41.714.10.8
pure broadleaf forest24.82.033.61.817.91.814.93.47.11.848.84.625.31.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.80.32.10.52.81.03.01.01.40.61.60.2
pure conifer forest26.81.923.21.647.81.673.72.683.02.135.62.343.00.8
mixed conifer forest25.61.925.41.620.91.36.01.44.21.16.51.217.90.7
mixed broadleaf forest21.81.817.51.412.01.05.61.44.01.16.91.212.80.6
pure broadleaf forest25.31.933.01.717.21.211.91.95.71.349.52.424.70.7
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 #164469/150851

NFI4b

forest area: processes in channels SilvaProtect, modelled and assigned · degree of mixture · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....5.0270.7711.8442.1419.619
pure conifer forest1.1583.53180.9648.6641.0836.09211.13
mixed conifer forest5.8258.12141.392.4371.1587.42166.07
mixed broadleaf forest6.8234.62822.1123.1331.8458.92047.38
pure broadleaf forest5.8256.02429.8106.2231.84454.17103.65
total19.51322.312179.0360.9547.47108.64437.52
outside perimetern/a1.1582.1412.2412.1411.844..9.220
pure conifer forest50.8756.2783.9623.31155.3617.414286.93
mixed conifer forest44.0857.3730.9103.4313.8302.438141.85
mixed broadleaf forest35.3940.3919.3132.4372.8351.450101.66
pure broadleaf forest43.2878.9629.6115.5244.92620.213182.34
total174.42234.82166.0436.7868.6541.48721.81
totaln/a1.1582.1417.2222.8353.5312.14118.814
pure conifer forest51.9759.87164.7471.9496.2353.47498.02
mixed conifer forest49.7765.4672.265.8244.9269.818207.94
mixed broadleaf forest42.2844.9841.395.5244.62710.318148.95
pure broadleaf forest49.0884.9559.4711.6166.72374.35285.93
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164470/150852
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