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NFI4b

forest area: protection forest perimeter SilvaProtect · percentage 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
protection forest perimeter SilvaProtectpercentage of salvage logging %± %± %± %± %± %±
inside perimeter0%86.73.392.13.891.81.595.30.897.80.894.30.6
1-50%3.81.94.02.83.51.00.80.30.90.51.70.3
over 50%9.52.93.92.74.71.24.00.81.20.63.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeter0%89.01.581.41.692.61.695.81.095.42.388.80.7
1-50%7.21.29.81.21.80.81.30.63.52.05.70.5
over 50%3.80.98.81.25.71.43.00.81.21.25.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
total0%88.51.482.21.592.21.195.50.697.30.891.30.5
1-50%6.51.19.41.12.70.70.90.31.50.64.00.3
over 50%4.90.98.41.15.20.93.60.61.20.54.80.4
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 #164255/150636

NFI4b

forest area: protection forest perimeter SilvaProtect · percentage 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
protection forest perimeter SilvaProtectpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0%33.21016.514104.54216.53112.63483.42
1-50%1.5500.7714.0301.7451.1588.920
over 50%3.7310.7715.4269.0191.45020.213
total38.3917.914113.94227.33115.13512.52
outside of perimeter0%144.53171.9394.45133.6429.210573.62
1-50%11.71720.7121.8451.7451.15837.09
over 50%6.22418.6135.8254.2290.410035.110
total162.42211.22102.05139.5430.610645.72
total0%177.82188.42198.92350.12141.821057.01
1-50%13.11621.4125.8253.5322.14145.99
over 50%9.91919.31311.21813.1161.84555.38
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164256/150637

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %±
inside perimeter0%88.52.693.31.490.82.096.51.296.31.397.80.894.40.6
1-50%3.91.52.60.93.21.2..0.50.50.90.51.70.3
over 50%7.72.14.21.16.01.63.51.23.21.21.20.63.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeter0%84.61.192.11.793.71.996.61.997.31.295.42.388.80.7
1-50%8.70.92.81.01.91.1....3.52.05.80.5
over 50%6.70.85.11.44.41.63.41.92.71.21.21.25.50.5
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 #164257/150638

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtectpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0%49.48104.9468.0575.8473.15112.63483.82
1-50%2.2412.9352.438..0.41001.1588.920
over 50%4.3294.7274.5272.7352.5381.45020.113
total55.88112.5474.9578.5475.95115.13512.82
outside of perimeter0%316.6284.0551.3729.51063.0629.210573.62
1-50%32.5102.5381.058....1.15837.210
over 50%25.0124.7272.4381.0581.8450.410035.310
total374.2191.2554.8730.6964.7630.610646.12
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 #164258/150639

NFI4b

forest area: protection forest perimeter SilvaProtect · percentage of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionpercentage of salvage logging %± %± %±
Western Jura0%91.23.091.11.691.11.4
1-50%2.21.54.81.24.21.0
over 50%6.62.64.11.14.71.0
total100.0.100.0.100.0.
Eastern Jura0%57.113.282.43.779.53.7
1-50%14.39.414.83.414.83.2
over 50%28.612.12.81.65.72.1
total100.0.100.0.100.0.
Western Plateau0%92.86.983.93.684.83.3
1-50%7.27.02.81.63.31.6
over 50%..13.33.311.93.0
total100.0.100.0.100.0.
Central Plateau0%90.96.181.02.882.02.6
1-50%..10.52.29.52.0
over 50%9.16.18.52.08.61.9
total100.0.100.0.100.0.
Eastern Plateau0%94.15.680.72.381.52.2
1-50%5.95.711.81.911.51.8
over 50%..7.41.57.01.4
total100.0.100.0.100.0.
Western Pre-Alps0%94.42.798.02.095.91.8
1-50%4.22.42.02.03.31.6
over 50%1.41.4..0.80.8
total100.0.100.0.100.0.
Central Pre-Alps0%93.82.190.82.492.31.6
1-50%1.51.12.11.21.80.8
over 50%4.61.87.02.15.91.4
total100.0.100.0.100.0.
Eastern Pre-Alps0%87.73.192.42.889.82.1
1-50%5.32.11.11.13.41.3
over 50%7.02.46.52.66.81.8
total100.0.100.0.100.0.
Northwestern Alps0%91.82.690.33.891.32.2
1-50%2.71.64.92.73.51.4
over 50%5.52.24.82.75.21.7
total100.0.100.0.100.0.
Central Alps0%87.55.297.42.692.43.0
1-50%2.52.52.62.62.51.8
over 50%10.04.8..5.12.5
total100.0.100.0.100.0.
Northeastern Alps0%98.41.692.65.196.61.9
1-50%..3.73.71.11.1
over 50%1.61.63.73.72.21.6
total100.0.100.0.100.0.
Southwestern Alps0%96.51.296.61.996.51.0
1-50%......
over 50%3.51.23.41.93.51.0
total100.0.100.0.100.0.
Southeastern Alps0%96.31.397.31.296.70.9
1-50%0.50.5..0.20.2
over 50%3.21.22.71.23.00.9
total100.0.100.0.100.0.
Southern Alps0%97.80.895.42.397.30.8
1-50%0.90.53.52.01.50.6
over 50%1.20.61.21.21.20.5
total100.0.100.0.100.0.
Switzerland0%94.30.688.80.791.30.5
1-50%1.80.35.70.54.00.3
over 50%3.90.55.50.54.80.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164259/150640

NFI4b

forest area: protection forest perimeter SilvaProtect · percentage of salvage logging · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %
Western Jura0%29.610109.63139.32
1-50%0.7715.7256.423
over 50%2.1415.0267.122
total32.59120.43152.82
Eastern Jura0%3.23435.1638.35
1-50%0.8706.3237.122
over 50%1.6491.2572.837
total5.52542.7448.22
Western Plateau0%4.52936.5641.05
1-50%0.41001.2571.650
over 50%..5.8255.825
total4.92843.5448.43
Central Plateau0%6.22150.1556.34
1-50%..6.5216.521
over 50%0.6715.3235.922
total6.82061.9368.72
Eastern Plateau0%5.72485.4491.23
1-50%0.410012.51612.916
over 50%..7.9217.921
total6.124105.82111.92
Western Pre-Alps0%25.2917.71242.94
1-50%1.1570.41001.549
over 50%0.4100..0.4100
total26.6818.11244.84
Central Pre-Alps0%43.7746.3790.03
1-50%0.7711.1581.844
over 50%2.2403.6315.724
total46.6750.9697.52
Eastern Pre-Alps0%35.7830.4966.14
1-50%2.1400.41002.537
over 50%2.9352.1405.026
total40.7732.9873.63
Northwestern Alps0%36.1720.01256.14
1-50%1.1571.1582.240
over 50%2.1401.1573.233
total39.3722.21161.54
Central Alps0%12.11412.91424.98
1-50%0.31000.31000.770
over 50%1.449..1.449
total13.81313.21427.07
Northeastern Alps0%21.998.91830.86
1-50%..0.41000.4100
over 50%0.41000.41000.770
total22.299.71731.96
Southwestern Alps0%75.8429.510105.33
1-50%......
over 50%2.7351.0583.830
total78.5430.69109.13
Southeastern Alps0%73.1563.06136.12
1-50%0.4100..0.4100
over 50%2.5381.8454.229
total75.9564.76140.62
Southern Alps0%112.6329.210141.82
1-50%1.1581.1582.141
over 50%1.4500.41001.845
total115.1330.610145.72
Switzerland0%485.42574.721060.11
1-50%9.02036.9946.08
over 50%20.21335.41055.68
total514.62647.121161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164260/150641

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtectcause of salvage logging %± %± %± %± %± %± %±
inside perimetern/a88.03.188.63.693.21.196.11.395.91.597.90.894.30.6
insects3.71.85.12.52.50.7..1.20.80.60.41.80.3
fungi....0.20.2......0.10.1
windthrow3.71.82.61.82.70.71.91.01.20.80.30.31.90.4
snow load2.81.62.51.80.50.31.50.81.81.00.60.41.10.3
avalanches..........0.60.40.10.1
landslides..1.31.30.40.3......0.20.1
flooding..............
forest fire..............
loss of vitality1.91.3..0.50.3......0.30.2
others......0.50.5....0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimetern/a90.71.480.41.694.21.296.22.196.81.495.62.288.80.7
insects3.70.97.91.13.10.9..0.60.6..4.50.5
fungi..1.20.4........0.40.2
windthrow3.30.95.70.91.20.51.31.3..2.21.63.20.4
snow load0.20.22.50.61.20.51.31.32.61.31.11.11.50.3
avalanches......1.31.3..1.11.10.10.1
landslides..............
flooding..............
forest fire..............
loss of vitality1.90.71.50.50.20.2......1.10.2
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 #164261/150642

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %
AGskidder0.87027.8828.68
forwarder0.410018.11218.512
mobile tower yarder..0.8700.870
cable crane......
helicopter..0.41000.4100
others..0.8700.870
total1.25747.9349.12
AIskidder1.6392.0373.622
forwarder0.3100..0.3100
mobile tower yarder0.3100..0.3100
cable crane0.3100..0.3100
helicopter0.669..0.669
others......
total3.2212.0375.212
ARskidder1.6412.9274.518
forwarder1.0551.0551.936
mobile tower yarder0.31000.6691.055
cable crane0.31000.31000.669
helicopter......
others......
total3.2254.8178.05
BEskidder33.9950.7784.65
forwarder4.42719.51323.911
mobile tower yarder18.1139.61827.710
cable crane13.0167.92020.912
helicopter7.5214.52712.016
others0.3100..0.3100
total77.4592.15169.52
BL/BSskidder2.0439.31611.314
forwarder1.6496.1227.719
mobile tower yarder0.41000.8701.257
cable crane0.4100..0.4100
helicopter......
others......
total4.52716.2920.75
FRskidder6.72215.31322.09
forwarder1.1574.1295.225
mobile tower yarder6.0232.6378.619
cable crane2.2401.5493.730
helicopter1.5491.1572.637
others..0.41000.4100
total17.61225.0842.63
GEskidder......
forwarder..3.1203.120
mobile tower yarder......
cable crane......
helicopter......
others......
total..3.1203.120
GLskidder2.3391.9434.227
forwarder......
mobile tower yarder0.8701.5492.339
cable crane5.0241.9436.919
helicopter2.7361.2573.829
others......
total10.7146.52017.37
GRskidder15.71417.51433.29
forwarder3.1337.02210.118
mobile tower yarder26.51110.41837.09
cable crane26.91115.71442.58
helicopter25.51120.31245.88
others......
total97.8470.96168.62
JUskidder8.61917.91026.56
forwarder0.8703.9304.627
mobile tower yarder1.649..1.649
cable crane......
helicopter......
others0.8700.41001.257
total11.71522.2833.93
LUskidder1.94020.5922.49
forwarder0.9575.1246.022
mobile tower yarder1.6444.1275.622
cable crane2.2372.8325.024
helicopter0.31000.6700.957
others......
total6.92033.1540.03
NEskidder3.23022.7725.96
forwarder0.6701.0571.644
mobile tower yarder......
cable crane......
helicopter......
others0.670..0.670
total4.52523.7728.24
NWskidder1.2551.5462.732
forwarder......
mobile tower yarder0.41001.2551.546
cable crane1.2550.41001.546
helicopter0.41001.5461.940
others......
total3.1294.6207.78
OWskidder1.5492.6364.127
forwarder0.41000.41000.770
mobile tower yarder2.6361.9434.526
cable crane2.6361.8444.526
helicopter2.6362.6365.223
others......
total9.7149.31519.04
SGskidder15.91313.01528.99
forwarder0.7701.4502.240
mobile tower yarder2.935..2.935
cable crane7.6212.2409.818
helicopter5.1265.12610.118
others..0.41000.4100
total32.2822.01154.24
SHskidder..1.8421.842
forwarder0.7709.61010.39
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others..0.41000.4100
total0.77012.1512.83
SOskidder0.410012.91413.213
forwarder1.15713.61314.812
mobile tower yarder..2.6362.636
cable crane0.4100..0.4100
helicopter......
others0.41000.41000.870
total2.34029.5531.83
SZskidder3.6303.6307.320
forwarder0.7700.7701.449
mobile tower yarder5.8232.2408.018
cable crane2.9340.41003.332
helicopter2.2405.4247.620
others..0.7700.770
total15.21113.01328.35
TGskidder1.5439.61311.012
forwarder0.9577.8168.715
mobile tower yarder0.3100..0.3100
cable crane......
helicopter......
others0.31000.9571.249
total3.03018.3621.33
TIskidder9.0193.53112.516
forwarder2.1411.1583.233
mobile tower yarder7.1221.4508.520
cable crane13.6152.53716.114
helicopter59.1613.61672.75
others2.5372.1414.627
total93.5424.211117.72
URskidder1.0582.0403.132
forwarder0.3100..0.3100
mobile tower yarder2.3360.7703.031
cable crane3.0311.4504.326
helicopter3.3303.6286.919
others..0.41000.4100
total9.9158.11818.09
VDskidder7.22234.1941.38
forwarder1.94434.1936.09
mobile tower yarder6.5244.23010.618
cable crane2.3401.5503.831
helicopter3.8313.4337.222
others......
total21.61277.3498.92
VSskidder17.51311.01728.510
forwarder2.1412.4374.527
mobile tower yarder18.9124.22923.011
cable crane8.2200.7718.919
helicopter31.6912.01643.67
others0.31000.31000.771
total78.5430.69109.13
ZGskidder1.7441.7443.425
forwarder..0.41000.4100
mobile tower yarder1.744..1.744
cable crane0.4100..0.4100
helicopter......
others......
total3.9212.1386.06
ZHskidder0.410029.3829.68
forwarder..15.51315.513
mobile tower yarder0.7704.6275.325
cable crane0.41000.41000.770
helicopter......
others......
total1.44949.7351.12
Switzerlandskidder139.25315.33454.42
forwarder25.412155.94181.34
mobile tower yarder104.7553.78158.54
cable crane92.9641.39134.25
helicopter146.1475.37221.43
others5.3267.12212.417
total513.62648.521162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164262/150643

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtectmain type of harvest %± %± %± %± %± %±
inside perimeterskidder56.24.860.86.843.02.821.01.68.91.627.21.1
forwarder21.04.027.46.24.11.12.60.61.80.75.00.6
mobile tower yarder11.43.15.93.323.42.425.51.712.31.820.31.0
cable crane2.91.62.01.918.42.222.81.615.72.018.01.0
helicopter2.81.62.01.911.11.827.91.859.12.728.41.1
others5.72.32.01.9..0.20.22.20.81.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterskidder60.22.358.22.049.53.028.92.312.53.548.81.2
forwarder33.52.237.82.07.41.66.71.24.62.323.61.0
mobile tower yarder4.00.92.70.717.32.315.21.89.33.18.30.6
cable crane0.90.40.70.310.21.817.41.912.73.66.40.6
helicopter0.20.20.20.214.12.131.32.354.05.411.70.7
others1.10.50.50.31.40.70.50.46.82.71.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder59.52.158.41.946.12.024.01.39.71.539.30.8
forwarder31.12.037.01.95.70.94.10.62.40.815.40.6
mobile tower yarder5.51.02.90.720.51.721.61.311.61.613.70.6
cable crane1.30.50.80.314.51.420.81.215.11.811.60.5
helicopter0.70.40.30.212.51.429.21.458.02.419.10.6
others2.00.60.60.30.70.30.30.23.10.91.10.2
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 #164263/150644

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · 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
protection forest perimeter SilvaProtectmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder21.51210.91849.0847.8810.318139.55
forwarder8.0214.9264.7275.9242.14125.612
mobile tower yarder4.4291.15826.71158.0714.115104.35
cable crane1.1580.410020.91351.9818.11392.36
helicopter1.1580.410012.61663.3768.06145.44
others2.2410.4100..0.31002.5385.426
total38.3917.914113.94227.33115.13512.52
outside of perimeterskidder97.85123.0450.4840.393.830315.43
forwarder54.4779.867.6219.3191.450152.54
mobile tower yarder6.6235.62517.71421.2132.83553.98
cable crane1.5501.45010.51824.3123.93041.59
helicopter0.41000.410014.41543.7916.61475.47
others1.8451.1581.4500.7712.1417.122
total162.42211.22102.05139.5430.610645.72
totalskidder119.44133.9499.5588.1614.115454.92
forwarder62.4784.7512.31715.2153.531178.14
mobile tower yarder11.0186.72344.3879.2616.914158.14
cable crane2.6381.84531.41076.2622.012133.85
helicopter1.5500.77127.011107.0584.65220.83
others4.0301.4501.4501.1584.62812.517
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164264/150645

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · 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
protection forest perimeter SilvaProtectmain type of harvest %± %± %± %± %± %± %±
inside perimeterskidder57.74.034.62.734.33.222.32.719.02.78.91.627.11.1
forwarder23.13.41.90.84.11.42.61.14.21.41.80.75.00.6
mobile tower yarder9.62.429.22.618.42.624.02.825.93.012.31.820.41.0
cable crane2.61.320.82.325.43.010.52.029.63.115.72.018.11.0
helicopter2.61.313.51.917.72.640.23.221.32.859.12.728.41.1
others4.51.7....0.40.4..2.20.81.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterskidder59.11.542.73.142.94.035.95.126.73.312.53.548.81.2
forwarder35.91.55.51.45.01.77.82.910.32.24.62.323.71.0
mobile tower yarder3.20.521.72.610.72.513.63.614.12.69.33.18.40.6
cable crane0.80.315.02.211.42.52.21.622.23.112.73.66.50.6
helicopter0.20.114.62.227.43.639.25.226.73.254.05.411.60.7
others0.80.30.40.42.61.31.11.1..6.82.71.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder58.91.438.22.038.02.526.12.522.52.19.71.539.20.8
forwarder34.31.43.50.84.51.14.11.17.01.32.40.815.40.6
mobile tower yarder4.10.625.81.815.21.921.12.320.52.011.61.613.70.6
cable crane1.00.318.21.619.52.08.21.526.22.215.11.811.60.5
helicopter0.50.214.01.521.82.139.92.823.82.158.02.419.00.6
others1.20.30.20.21.10.50.60.4..3.10.91.10.2
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 #164265/150646

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · 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
protection forest perimeter SilvaProtectmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder32.21038.9925.71117.51314.41510.318139.15
forwarder12.9162.2413.1332.1413.2332.14125.512
mobile tower yarder5.42632.81013.81518.91219.71214.115104.65
cable crane1.45023.41219.0138.22022.51218.11392.76
helicopter1.45015.11513.31631.6916.21468.06145.64
others2.538....0.3100..2.5385.326
total55.88112.5474.9578.5475.95115.13512.82
outside of perimeterskidder221.1339.0923.51111.01717.3143.830315.63
forwarder134.545.0262.8352.4376.7221.450152.84
mobile tower yarder12.21719.8135.9244.2299.1192.83554.08
cable crane2.93513.7166.2230.77114.4153.93041.79
helicopter0.77113.31615.01512.01617.31416.61474.97
others2.9350.41001.4500.3100..2.1417.122
total374.2191.2554.8730.6964.7630.610646.12
totalskidder253.3377.9649.2728.51031.71014.115454.62
forwarder147.447.2225.9244.5279.8183.531178.34
mobile tower yarder17.51452.7719.71223.01128.81016.914158.64
cable crane4.32937.1925.2118.91936.9922.012134.45
helicopter2.24128.51128.31043.6733.5984.65220.63
others5.4260.41001.4500.771..4.62812.417
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164266/150647

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionmain type of harvest %± %± %±
Western Juraskidder59.35.267.02.665.42.3
forwarder15.43.827.02.424.62.1
mobile tower yarder12.13.43.91.05.61.1
cable crane3.31.91.20.61.60.6
helicopter3.31.90.30.30.90.5
others6.62.60.60.41.90.7
total100.0.100.0.100.0.
Eastern Juraskidder35.712.838.84.738.44.4
forwarder57.113.253.84.854.24.5
mobile tower yarder7.16.94.62.04.92.0
cable crane......
helicopter......
others..2.81.62.51.4
total100.0.100.0.100.0.
Western Plateauskidder49.414.551.04.950.94.6
forwarder50.614.548.04.948.34.6
mobile tower yarder..0.90.90.90.9
cable crane......
helicopter......
others......
total100.0.100.0.100.0.
Central Plateauskidder68.29.960.83.561.63.3
forwarder22.79.036.23.434.83.2
mobile tower yarder4.54.51.50.91.80.9
cable crane4.54.51.50.91.80.9
helicopter......
others......
total100.0.100.0.100.0.
Eastern Plateauskidder58.811.959.12.959.12.8
forwarder17.69.335.12.834.22.7
mobile tower yarder11.87.84.11.14.51.2
cable crane..0.30.30.30.3
helicopter5.95.70.30.30.60.5
others5.95.71.00.61.30.6
total100.0.100.0.100.0.
Western Pre-Alpsskidder38.85.838.87.038.84.4
forwarder1.41.410.24.45.02.0
mobile tower yarder36.15.722.46.030.64.2
cable crane12.53.916.45.314.13.2
helicopter11.13.710.24.410.82.8
others..1.91.90.80.8
total100.0.100.0.100.0.
Central Pre-Alpsskidder42.34.350.04.246.33.0
forwarder3.11.55.61.94.41.2
mobile tower yarder20.03.521.13.420.62.5
cable crane24.63.812.02.718.02.3
helicopter10.02.611.32.710.71.9
others......
total100.0.100.0.100.0.
Eastern Pre-Alpsskidder46.54.754.35.250.03.5
forwarder7.02.48.72.97.81.9
mobile tower yarder19.33.78.72.914.62.5
cable crane14.93.34.32.110.22.1
helicopter12.33.120.74.216.02.6
others..3.31.91.50.8
total100.0.100.0.100.0.
Northwestern Alpsskidder22.74.029.15.825.03.3
forwarder0.90.91.61.61.20.8
mobile tower yarder35.44.622.65.330.83.5
cable crane21.83.920.95.221.53.1
helicopter19.13.825.85.621.53.1
others......
total100.0.100.0.100.0.
Central Alpsskidder10.24.823.66.916.84.3
forwarder2.52.5..1.31.3
mobile tower yarder32.47.413.05.522.94.8
cable crane27.47.113.25.520.54.6
helicopter27.47.147.38.137.25.5
others..2.82.81.41.4
total100.0.100.0.100.0.
Northeastern Alpsskidder27.45.729.68.828.14.8
forwarder......
mobile tower yarder8.13.514.86.910.13.2
cable crane43.66.333.39.140.55.2
helicopter21.05.222.28.021.44.4
others......
total100.0.100.0.100.0.
Southwestern Alpsskidder22.32.735.95.126.12.5
forwarder2.61.17.82.94.11.1
mobile tower yarder24.02.813.63.621.12.3
cable crane10.52.02.21.68.21.5
helicopter40.23.239.25.239.92.8
others0.40.41.11.10.60.4
total100.0.100.0.100.0.
Southeastern Alpsskidder19.02.726.73.322.52.1
forwarder4.21.410.32.27.01.3
mobile tower yarder25.93.014.12.620.52.0
cable crane29.63.122.23.126.22.2
helicopter21.32.826.73.223.82.1
others......
total100.0.100.0.100.0.
Southern Alpsskidder8.91.612.53.59.71.5
forwarder1.80.74.62.32.40.8
mobile tower yarder12.31.89.33.111.61.6
cable crane15.72.012.73.615.11.8
helicopter59.12.754.05.458.02.4
others2.20.86.82.73.10.9
total100.0.100.0.100.0.
Switzerlandskidder27.11.148.61.139.10.8
forwarder5.00.623.91.015.50.6
mobile tower yarder20.41.08.40.613.70.6
cable crane18.11.06.50.611.60.5
helicopter28.31.111.60.719.00.6
others1.00.31.10.21.10.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164267/150648

NFI4b

forest area: protection forest perimeter SilvaProtect · main type of harvest · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regionmain type of harvest1000 ha± %1000 ha± %1000 ha± %
Western Juraskidder19.31380.75100.04
forwarder5.02632.51037.59
mobile tower yarder3.9304.6278.620
cable crane1.1581.4502.538
helicopter1.1580.41001.450
others2.1410.7712.935
total32.59120.43152.82
Eastern Juraskidder2.04416.61318.512
forwarder3.23422.91026.18
mobile tower yarder0.41002.0442.440
cable crane......
helicopter......
others..1.2571.257
total5.52542.7448.22
Western Plateauskidder2.44022.21024.610
forwarder2.54020.91123.410
mobile tower yarder..0.41000.4100
cable crane......
helicopter......
others......
total4.92843.5448.43
Central Plateauskidder4.62537.6742.36
forwarder1.54422.41023.99
mobile tower yarder0.31000.9571.250
cable crane0.31000.9571.250
helicopter......
others......
total6.82061.9368.72
Eastern Plateauskidder3.63162.6566.15
forwarder1.15837.2838.28
mobile tower yarder0.7714.3285.026
cable crane..0.41000.4100
helicopter0.41000.41000.771
others0.41001.1581.450
total6.124105.82111.92
Western Pre-Alpsskidder10.3177.02117.412
forwarder0.41001.9442.240
mobile tower yarder9.6184.12913.714
cable crane3.3323.0346.323
helicopter3.0341.9444.826
others..0.41000.4100
total26.6818.11244.84
Central Pre-Alpsskidder19.71225.51045.27
forwarder1.4502.9354.328
mobile tower yarder9.31910.81720.112
cable crane11.5176.12417.613
helicopter4.7275.72410.418
others......
total46.6750.9697.52
Eastern Pre-Alpsskidder18.91217.91336.88
forwarder2.9352.9355.724
mobile tower yarder7.9202.93510.717
cable crane6.1231.4507.521
helicopter5.0266.82211.816
others..1.1581.158
total40.7732.9873.63
Northwestern Alpsskidder8.9196.52315.414
forwarder0.41000.41000.771
mobile tower yarder13.9145.02618.912
cable crane8.6194.62713.215
helicopter7.5215.72413.215
others......
total39.3722.21161.54
Central Alpsskidder1.4503.1324.527
forwarder0.3100..0.3100
mobile tower yarder4.5261.7446.222
cable crane3.8291.7445.523
helicopter3.8296.22210.016
others..0.41000.4100
total13.81313.21427.07
Northeastern Alpsskidder6.1232.9349.018
forwarder......
mobile tower yarder1.8441.4493.232
cable crane9.7173.23212.914
helicopter4.7262.1406.821
others......
total22.299.71731.96
Southwestern Alpsskidder17.51311.01728.510
forwarder2.1412.4374.527
mobile tower yarder18.9124.22923.011
cable crane8.2200.7718.919
helicopter31.6912.01643.67
others0.31000.31000.771
total78.5430.69109.13
Southeastern Alpsskidder14.41517.31431.710
forwarder3.2336.7229.818
mobile tower yarder19.7129.11928.810
cable crane22.51214.41536.99
helicopter16.21417.31433.59
others......
total75.9564.76140.62
Southern Alpsskidder10.3183.83014.115
forwarder2.1411.4503.531
mobile tower yarder14.1152.83516.914
cable crane18.1133.93022.012
helicopter68.0616.61484.65
others2.5382.1414.628
total115.1330.610145.72
Switzerlandskidder139.55314.53454.02
forwarder26.012154.44180.34
mobile tower yarder105.0554.28159.24
cable crane93.1641.89134.85
helicopter145.8475.17220.83
others5.3267.22212.517
total514.62647.121161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164268/150649

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago46.34.859.55.536.32.021.32.923.43.210.31.728.81.2
11-20 years ago22.24.021.54.621.81.715.52.521.03.17.01.417.51.0
21-30 years ago8.32.78.93.213.31.49.22.015.82.88.81.611.40.8
31-40 years ago7.42.53.82.27.91.15.31.610.52.36.01.37.20.7
41-50 years ago2.81.62.51.86.11.09.22.05.81.86.91.46.20.6
over 50 years ago13.03.23.82.214.71.539.33.423.43.261.02.729.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterless than 10 years ago53.52.478.11.634.92.422.84.722.33.310.03.251.91.1
11-20 years ago24.62.113.41.323.82.111.43.616.63.08.93.018.40.9
21-30 years ago9.31.44.50.811.01.56.32.715.72.912.03.48.50.7
31-40 years ago5.81.11.70.58.21.48.83.212.12.615.13.76.00.6
41-50 years ago3.70.90.90.47.61.37.73.05.71.85.52.44.00.5
over 50 years ago3.00.81.40.514.51.742.95.627.73.648.45.211.10.7
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 #164269/150650

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtecttime 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 ago18.01416.61472.0615.01414.11512.117147.95
11-20 years ago8.7206.02443.3910.91712.7168.22089.86
21-30 years ago3.2332.53826.4116.5229.51910.31858.58
31-40 years ago2.9351.15815.7153.8306.4237.12236.910
41-50 years ago1.1580.77112.1176.5223.5318.12032.010
over 50 years ago5.0261.15829.11127.71014.11571.95149.04
total38.9927.911198.5370.5560.46117.83514.12
outside of perimeterless than 10 years ago82.95178.9351.286.22312.4163.233334.72
11-20 years ago38.2930.81034.8103.1339.2192.935119.05
21-30 years ago14.41510.31816.1151.7448.7203.93055.08
31-40 years ago9.0203.93012.1172.4376.7224.92638.99
41-50 years ago5.8252.14111.1182.1413.1331.84526.012
over 50 years ago4.7273.23321.21311.61615.41415.61471.67
total154.93229.22146.4427.11055.5632.210645.32
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 #164270/150651

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGless than 10 years ago33.327.384.03.282.83.3
11-20 years ago..11.83.011.52.9
21-30 years ago..1.71.21.61.2
31-40 years ago......
41-50 years ago33.327.31.71.22.51.4
over 50 years ago33.327.30.80.81.61.2
total100.0.100.0.100.0.
AIless than 10 years ago20.013.016.115.218.59.9
11-20 years ago40.015.848.320.743.212.6
21-30 years ago10.09.8..6.26.1
31-40 years ago..16.115.26.26.1
41-50 years ago20.013.0..12.38.4
over 50 years ago10.09.819.616.913.78.9
total100.0.100.0.100.0.
ARless than 10 years ago40.015.826.711.632.09.5
11-20 years ago30.014.840.012.936.09.8
21-30 years ago20.012.920.010.520.08.1
31-40 years ago10.09.76.76.68.05.5
41-50 years ago......
over 50 years ago..6.76.64.04.0
total100.0.100.0.100.0.
BEless than 10 years ago44.23.359.13.052.32.2
11-20 years ago20.42.716.82.318.41.7
21-30 years ago15.02.47.51.610.91.4
31-40 years ago5.71.55.21.45.41.0
41-50 years ago4.41.44.11.24.20.9
over 50 years ago10.22.07.41.68.71.3
total100.0.100.0.100.0.
BL/BSless than 10 years ago45.515.152.77.951.27.0
11-20 years ago27.313.532.77.531.56.5
21-30 years ago9.18.77.54.27.93.8
31-40 years ago9.18.72.52.53.92.8
41-50 years ago..2.02.01.61.6
over 50 years ago9.18.72.52.53.92.8
total100.0.100.0.100.0.
FRless than 10 years ago46.87.362.85.956.24.7
11-20 years ago14.95.222.35.119.33.7
21-30 years ago2.12.15.92.94.31.9
31-40 years ago14.95.23.02.17.92.5
41-50 years ago6.43.63.02.14.41.9
over 50 years ago14.95.23.02.17.92.5
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 ago28.78.629.411.228.96.8
11-20 years ago21.57.823.510.422.36.3
21-30 years ago21.57.817.69.320.06.0
31-40 years ago7.24.95.95.86.73.8
41-50 years ago3.63.511.87.96.73.8
over 50 years ago17.67.211.87.915.45.4
total100.0.100.0.100.0.
GRless than 10 years ago19.32.422.72.920.71.8
11-20 years ago18.22.316.82.617.61.7
21-30 years ago15.32.215.22.515.31.6
31-40 years ago10.01.812.72.311.11.4
41-50 years ago6.11.46.31.76.21.1
over 50 years ago31.12.826.43.129.12.1
total100.0.100.0.100.0.
JUless than 10 years ago46.79.161.56.556.45.3
11-20 years ago30.08.417.65.121.94.4
21-30 years ago6.74.68.83.88.12.9
31-40 years ago6.74.67.03.46.92.7
41-50 years ago3.33.33.32.33.31.9
over 50 years ago6.74.61.81.83.52.0
total100.0.100.0.100.0.
LUless than 10 years ago27.39.564.64.758.14.4
11-20 years ago45.510.622.04.126.03.9
21-30 years ago18.28.34.02.06.42.2
31-40 years ago9.16.25.72.36.32.2
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 ago85.79.273.05.275.14.6
11-20 years ago..14.94.212.53.5
21-30 years ago7.16.93.32.33.92.2
31-40 years ago..5.72.84.82.4
41-50 years ago..1.71.61.41.4
over 50 years ago7.16.91.41.42.31.6
total100.0.100.0.100.0.
NWless than 10 years ago12.511.933.313.925.09.9
11-20 years ago50.018.033.313.940.011.2
21-30 years ago12.511.98.38.210.06.9
31-40 years ago......
41-50 years ago......
over 50 years ago25.015.625.012.825.09.9
total100.0.100.0.100.0.
OWless than 10 years ago57.79.824.18.641.27.0
11-20 years ago7.75.328.19.117.75.4
21-30 years ago..11.76.45.73.2
31-40 years ago..4.04.02.02.0
41-50 years ago3.83.816.17.49.84.2
over 50 years ago30.89.116.17.423.66.0
total100.0.100.0.100.0.
SGless than 10 years ago37.15.147.56.441.34.0
11-20 years ago25.84.719.75.123.33.5
21-30 years ago10.13.29.83.810.02.5
31-40 years ago9.03.06.63.28.02.2
41-50 years ago3.41.91.61.62.71.3
over 50 years ago14.63.814.84.614.72.9
total100.0.100.0.100.0.
SHless than 10 years ago50.035.852.98.652.88.4
11-20 years ago50.035.832.48.133.37.9
21-30 years ago..11.85.611.15.3
31-40 years ago......
41-50 years ago......
over 50 years ago..2.92.92.82.8
total100.0.100.0.100.0.
SOless than 10 years ago50.020.555.15.754.85.5
11-20 years ago..28.25.126.24.8
21-30 years ago..2.61.82.41.7
31-40 years ago..6.42.86.02.6
41-50 years ago..2.61.82.41.7
over 50 years ago50.020.55.12.58.33.0
total100.0.100.0.100.0.
SZless than 10 years ago47.67.833.37.941.05.6
11-20 years ago21.46.419.56.620.54.6
21-30 years ago7.14.05.63.86.42.8
31-40 years ago7.14.05.53.86.42.8
41-50 years ago9.54.65.53.87.73.0
over 50 years ago7.14.030.67.718.04.4
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 ago9.61.810.43.79.71.6
11-20 years ago7.31.68.93.57.61.5
21-30 years ago7.31.613.14.18.51.5
31-40 years ago6.11.514.64.37.91.5
41-50 years ago7.21.65.92.97.01.4
over 50 years ago62.53.047.26.159.32.7
total100.0.100.0.100.0.
URless than 10 years ago39.89.025.18.933.26.5
11-20 years ago16.66.84.14.011.04.3
21-30 years ago7.14.820.58.213.14.6
31-40 years ago16.66.88.25.612.84.6
41-50 years ago3.33.312.97.07.63.7
over 50 years ago16.66.829.29.422.35.7
total100.0.100.0.100.0.
VDless than 10 years ago29.86.148.13.544.13.1
11-20 years ago22.95.622.52.922.62.6
21-30 years ago17.65.111.32.212.72.1
31-40 years ago5.33.05.91.75.81.4
41-50 years ago8.83.86.41.76.91.6
over 50 years ago15.74.85.91.68.01.7
total100.0.100.0.100.0.
VSless than 10 years ago21.42.724.74.622.32.3
11-20 years ago15.32.412.43.514.52.0
21-30 years ago9.61.96.72.78.81.6
31-40 years ago5.71.59.03.06.61.4
41-50 years ago10.12.07.92.99.51.6
over 50 years ago38.03.239.25.238.32.7
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 ago50.025.174.53.773.83.7
11-20 years ago25.021.716.33.116.53.1
21-30 years ago..5.72.05.51.9
31-40 years ago..3.51.63.41.5
41-50 years ago......
over 50 years ago25.021.7..0.70.7
total100.0.100.0.100.0.
Switzerlandless than 10 years ago28.81.251.91.141.70.8
11-20 years ago17.41.018.50.918.00.7
21-30 years ago11.30.88.60.79.80.5
31-40 years ago7.10.76.00.66.50.4
41-50 years ago6.20.64.00.55.00.4
over 50 years ago29.11.111.00.719.00.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164271/150652

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago0.410040.2540.75
11-20 years ago..5.6255.625
21-30 years ago..0.8700.870
31-40 years ago......
41-50 years ago0.41000.8701.257
over 50 years ago0.41000.41000.870
total1.25747.9349.12
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 ago0.669..0.669
over 50 years ago0.31000.41000.771
total3.2212.0375.212
ARless than 10 years ago1.3471.3472.630
11-20 years ago1.0551.9372.928
21-30 years ago0.6691.0551.641
31-40 years ago0.31000.31000.669
41-50 years ago......
over 50 years ago..0.31000.3100
total3.2254.8178.05
BEless than 10 years ago34.2954.4788.65
11-20 years ago15.81415.51431.310
21-30 years ago11.6176.92218.513
31-40 years ago4.4274.8269.219
41-50 years ago3.4313.8307.221
over 50 years ago7.9206.82214.715
total77.4592.15169.52
BL/BSless than 10 years ago2.0438.61710.614
11-20 years ago1.2575.3246.521
21-30 years ago0.41001.2571.649
31-40 years ago0.41000.41000.870
41-50 years ago..0.31000.3100
over 50 years ago0.41000.41000.870
total4.52716.2920.75
FRless than 10 years ago8.22015.71323.99
11-20 years ago2.6375.6248.220
21-30 years ago0.41001.5501.944
31-40 years ago2.6370.7703.432
41-50 years ago1.1570.7701.944
over 50 years ago2.6370.7703.432
total17.61225.0842.63
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 ago3.1331.9435.024
11-20 years ago2.3391.5493.929
21-30 years ago2.3391.2573.531
31-40 years ago0.8700.41001.257
41-50 years ago0.41000.8701.257
over 50 years ago1.9440.8702.736
total10.7146.52017.37
GRless than 10 years ago18.91316.11435.09
11-20 years ago17.81311.91729.710
21-30 years ago15.01510.71825.711
31-40 years ago9.8189.01918.813
41-50 years ago5.9244.52710.418
over 50 years ago30.41018.71349.17
total97.8470.96168.62
JUless than 10 years ago5.52513.61319.110
11-20 years ago3.5323.9307.420
21-30 years ago0.8701.9442.736
31-40 years ago0.8701.6492.340
41-50 years ago0.41000.7711.158
over 50 years ago0.8700.41001.257
total11.71522.2833.93
LUless than 10 years ago1.94021.4923.38
11-20 years ago3.1317.31910.415
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
total6.92033.1540.03
NEless than 10 years ago3.82717.3921.17
11-20 years ago..3.5283.528
21-30 years ago0.31000.8701.158
31-40 years ago..1.4501.450
41-50 years ago..0.41000.4100
over 50 years ago0.31000.31000.670
total4.52523.7728.24
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 ago0.8691.2551.940
total3.1294.6207.78
OWless than 10 years ago5.6222.2397.817
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 ago3.0331.5494.526
total9.7149.31519.04
SGless than 10 years ago11.91610.51722.411
11-20 years ago8.3204.32812.615
21-30 years ago3.2332.2405.425
31-40 years ago2.9351.4504.328
41-50 years ago1.1570.41001.450
over 50 years ago4.7273.3338.020
total32.2822.01154.24
SHless than 10 years ago0.41006.4176.816
11-20 years ago0.41003.9264.324
21-30 years ago..1.4481.448
31-40 years ago......
41-50 years ago......
over 50 years ago..0.41000.4100
total0.77012.1512.83
SOless than 10 years ago1.15716.31117.411
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 ago1.1571.5492.636
total2.34029.5531.83
SZless than 10 years ago7.2204.32711.614
11-20 years ago3.3322.5375.823
21-30 years ago1.1570.7711.844
31-40 years ago1.1570.7701.844
41-50 years ago1.4490.7702.240
over 50 years ago1.1574.0295.125
total15.21113.01328.35
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 ago9.0192.53711.517
11-20 years ago6.8222.1419.019
21-30 years ago6.8223.23310.018
31-40 years ago5.7243.5319.319
41-50 years ago6.8221.4508.220
over 50 years ago58.4611.41769.85
total93.5424.211117.72
URless than 10 years ago4.0272.0406.021
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 ago1.7432.4374.027
total9.9158.11818.09
VDless than 10 years ago6.42437.1843.67
11-20 years ago4.92717.41422.312
21-30 years ago3.8318.72012.516
31-40 years ago1.1584.6285.725
41-50 years ago1.9444.9276.823
over 50 years ago3.4334.5287.921
total21.61277.3498.92
VSless than 10 years ago16.8137.62124.411
11-20 years ago12.0163.83015.814
21-30 years ago7.5212.1419.618
31-40 years ago4.5272.7357.221
41-50 years ago7.9202.43810.318
over 50 years ago29.8912.01641.88
total78.5430.69109.13
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 ago0.77037.0637.76
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
total1.44949.7351.12
Switzerlandless than 10 years ago148.25336.62484.82
11-20 years ago89.56119.85209.34
21-30 years ago57.8855.58113.45
31-40 years ago36.71038.9975.57
41-50 years ago32.11026.11258.28
over 50 years ago149.3471.77221.03
total513.62648.521162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #164272/150653

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimeterless than 10 years ago47.64.953.07.045.32.825.11.710.21.728.91.2
11-20 years ago22.84.121.65.823.12.418.71.57.11.417.51.0
21-30 years ago7.62.611.84.58.91.614.61.48.31.511.30.8
31-40 years ago6.72.43.92.77.31.57.91.16.21.37.10.7
41-50 years ago2.91.63.92.75.11.27.31.06.71.46.20.6
over 50 years ago12.43.25.93.310.41.726.31.761.62.729.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterless than 10 years ago55.52.477.21.742.42.925.62.29.33.151.91.1
11-20 years ago24.72.013.31.426.52.615.41.88.12.918.50.9
21-30 years ago8.11.35.20.98.81.713.01.712.63.68.50.7
31-40 years ago4.91.02.20.68.11.69.71.514.93.86.00.6
41-50 years ago4.00.90.70.35.71.47.51.35.82.54.00.5
over 50 years ago2.70.81.50.58.51.728.82.349.45.411.10.7
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 #164273/150654

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 10 years ago18.3149.51951.5757.1711.717148.15
11-20 years ago8.8203.93026.31142.598.12089.66
21-30 years ago2.9352.14110.11933.2109.61957.98
31-40 years ago2.6380.7718.32118.0147.12236.610
41-50 years ago1.1580.7715.82516.6147.72131.910
over 50 years ago4.7271.15811.91759.8770.95148.44
total38.3917.914113.94227.33115.13512.52
outside of perimeterless than 10 years ago90.25163.0343.3835.792.835335.02
11-20 years ago40.2928.11127.01121.5122.538119.35
21-30 years ago13.11610.9189.02018.1143.93055.08
31-40 years ago8.0214.6288.32013.6164.62739.09
41-50 years ago6.6231.4505.82510.5181.84526.012
over 50 years ago4.4293.2338.62040.1915.11571.47
total162.42211.22102.05139.5430.610645.72
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 #164274/150655

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimeterless than 10 years ago49.44.040.72.839.73.321.42.721.32.810.21.728.81.2
11-20 years ago22.43.320.52.323.02.915.32.421.82.87.11.417.51.0
21-30 years ago9.02.314.12.010.82.19.61.916.22.58.31.511.40.8
31-40 years ago5.81.96.11.49.02.05.71.511.12.16.21.37.20.7
41-50 years ago3.21.45.11.25.11.510.12.06.51.76.71.46.20.6
over 50 years ago10.32.413.51.912.52.238.03.223.22.961.62.729.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterless than 10 years ago68.01.440.33.134.13.824.74.624.53.29.33.152.01.1
11-20 years ago18.21.223.72.721.13.312.43.517.92.88.12.918.40.9
21-30 years ago6.40.89.11.812.32.66.72.715.62.712.63.68.50.7
31-40 years ago3.30.67.91.76.92.09.03.012.42.414.93.86.00.6
41-50 years ago2.10.47.51.75.11.77.92.96.41.85.82.54.00.5
over 50 years ago2.00.411.52.020.53.239.25.223.23.149.45.411.00.7
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 #164275/150656

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtecttime 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 ago27.51145.8829.71016.81316.21411.717147.75
11-20 years ago12.51723.11217.31312.01616.5148.12089.56
21-30 years ago5.02715.9158.1217.52112.3169.61958.48
31-40 years ago3.2336.9236.7234.5278.4207.12236.810
41-50 years ago1.8455.8253.8307.9204.9267.72131.910
over 50 years ago5.72515.1159.31929.8917.61370.95148.54
total55.88112.5474.9578.5475.95115.13512.82
outside of perimeterless than 10 years ago254.3336.8918.7137.62115.8142.835336.02
11-20 years ago68.0721.61211.6173.83011.6172.538119.05
21-30 years ago24.0128.3216.7232.14110.1183.93055.08
31-40 years ago12.5177.2223.8302.7358.0204.62738.89
41-50 years ago7.9216.9232.8352.4384.1291.84525.912
over 50 years ago7.52210.51811.21712.01615.01515.11571.37
total374.2191.2554.8730.6964.7630.610646.12
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 #164276/150657

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juraless than 10 years ago47.25.255.52.753.72.4
11-20 years ago23.14.422.62.322.72.0
21-30 years ago8.83.08.91.68.91.4
31-40 years ago6.62.65.61.35.81.1
41-50 years ago2.21.54.81.24.21.0
over 50 years ago12.13.42.70.94.71.0
total100.0.100.0.100.0.
Eastern Juraless than 10 years ago50.013.455.64.855.04.5
11-20 years ago21.411.031.54.530.44.2
21-30 years ago..5.62.24.92.0
31-40 years ago7.16.92.81.63.31.6
41-50 years ago7.16.91.71.22.31.3
over 50 years ago14.39.42.81.64.11.8
total100.0.100.0.100.0.
Western Plateauless than 10 years ago66.313.764.34.764.54.4
11-20 years ago16.910.915.03.515.23.3
21-30 years ago..9.32.88.42.6
31-40 years ago..3.81.93.41.7
41-50 years ago16.910.92.81.64.31.9
over 50 years ago..4.72.14.31.9
total100.0.100.0.100.0.
Central Plateauless than 10 years ago54.510.680.32.877.72.8
11-20 years ago22.79.014.22.515.12.4
21-30 years ago9.16.12.51.13.21.2
31-40 years ago9.16.11.50.92.31.0
41-50 years ago......
over 50 years ago4.54.51.50.91.80.9
total100.0.100.0.100.0.
Eastern Plateauless than 10 years ago41.211.979.72.377.62.4
11-20 years ago23.510.312.21.912.81.9
21-30 years ago23.510.35.41.36.41.4
31-40 years ago..2.00.81.90.8
41-50 years ago..0.30.30.30.3
over 50 years ago11.87.80.30.31.00.6
total100.0.100.0.100.0.
Western Pre-Alpsless than 10 years ago37.55.740.97.138.94.4
11-20 years ago19.44.724.56.221.53.7
21-30 years ago8.33.216.25.311.52.9
31-40 years ago12.53.98.23.910.82.8
41-50 years ago7.03.08.23.97.52.4
over 50 years ago15.34.32.02.09.92.7
total100.0.100.0.100.0.
Central Pre-Alpsless than 10 years ago50.04.443.74.246.73.0
11-20 years ago23.93.727.53.825.72.7
21-30 years ago10.82.75.61.98.11.7
31-40 years ago2.31.39.22.45.91.4
41-50 years ago3.11.56.32.04.81.3
over 50 years ago10.02.67.72.28.81.7
total100.0.100.0.100.0.
Eastern Pre-Alpsless than 10 years ago44.74.741.35.143.23.5
11-20 years ago24.64.026.14.625.23.0
21-30 years ago7.02.49.83.18.31.9
31-40 years ago9.62.86.52.68.31.9
41-50 years ago6.12.33.31.94.91.5
over 50 years ago7.92.513.03.510.22.1
total100.0.100.0.100.0.
Northwestern Alpsless than 10 years ago31.84.532.36.032.03.6
11-20 years ago17.33.614.54.516.32.8
21-30 years ago21.83.911.34.018.02.9
31-40 years ago6.42.34.82.75.81.8
41-50 years ago6.42.39.73.87.52.0
over 50 years ago16.43.527.45.720.43.1
total100.0.100.0.100.0.
Central Alpsless than 10 years ago39.97.823.66.932.05.3
11-20 years ago17.56.07.84.412.73.8
21-30 years ago10.24.815.86.013.03.8
31-40 years ago12.55.27.84.410.23.4
41-50 years ago5.03.58.04.56.52.8
over 50 years ago15.05.736.97.925.75.0
total100.0.100.0.100.0.
Northeastern Alpsless than 10 years ago30.75.925.98.529.24.8
11-20 years ago24.25.422.28.023.64.5
21-30 years ago17.74.914.86.916.94.0
31-40 years ago4.82.77.45.15.62.4
41-50 years ago3.22.37.45.14.52.2
over 50 years ago19.45.022.28.020.24.3
total100.0.100.0.100.0.
Southwestern Alpsless than 10 years ago21.42.724.74.622.32.3
11-20 years ago15.32.412.43.514.52.0
21-30 years ago9.61.96.72.78.81.6
31-40 years ago5.71.59.03.06.61.4
41-50 years ago10.12.07.92.99.51.6
over 50 years ago38.03.239.25.238.32.7
total100.0.100.0.100.0.
Southeastern Alpsless than 10 years ago21.32.824.53.222.82.1
11-20 years ago21.82.817.92.820.02.0
21-30 years ago16.22.515.62.715.91.8
31-40 years ago11.12.112.42.411.71.6
41-50 years ago6.51.76.41.86.41.2
over 50 years ago23.22.923.23.123.22.1
total100.0.100.0.100.0.
Southern Alpsless than 10 years ago10.21.79.33.110.01.5
11-20 years ago7.11.48.12.97.31.3
21-30 years ago8.31.512.63.69.21.4
31-40 years ago6.21.314.93.88.01.3
41-50 years ago6.71.45.82.56.51.2
over 50 years ago61.62.749.45.459.02.4
total100.0.100.0.100.0.
Switzerlandless than 10 years ago28.91.251.71.141.60.8
11-20 years ago17.51.018.60.918.10.7
21-30 years ago11.30.88.60.79.80.5
31-40 years ago7.10.76.00.66.50.4
41-50 years ago6.30.64.00.55.00.4
over 50 years ago28.91.111.10.719.00.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164277/150658

NFI4b

forest area: protection forest perimeter SilvaProtect · 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
protection forest perimeter SilvaProtect
inside perimeteroutside of perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 10 years ago15.31566.7682.15
11-20 years ago7.52127.11134.79
21-30 years ago2.93510.71813.616
31-40 years ago2.1416.8238.920
41-50 years ago0.7715.7256.523
over 50 years ago3.9303.2337.122
total32.59120.43152.82
Eastern Juraless than 10 years ago2.83723.7926.58
11-20 years ago1.25713.41514.614
21-30 years ago..2.4402.440
31-40 years ago0.41001.2571.649
41-50 years ago0.41000.7711.158
over 50 years ago0.8701.2572.044
total5.52542.7448.22
Western Plateauless than 10 years ago3.23528.0831.28
11-20 years ago0.8706.5247.422
21-30 years ago..4.1314.131
31-40 years ago..1.6491.649
41-50 years ago0.8701.2572.144
over 50 years ago..2.1442.144
total4.92843.5448.43
Central Plateauless than 10 years ago3.72849.7553.44
11-20 years ago1.5448.81810.416
21-30 years ago0.6711.5442.237
31-40 years ago0.6710.9571.544
41-50 years ago......
over 50 years ago0.31000.9571.250
total6.82061.9368.72
Eastern Plateauless than 10 years ago2.53784.4486.93
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 ago0.7710.41001.158
total6.124105.82111.92
Western Pre-Alpsless than 10 years ago10.0177.42117.412
11-20 years ago5.2264.4289.618
21-30 years ago2.2402.9355.126
31-40 years ago3.3321.5494.826
41-50 years ago1.9441.5493.332
over 50 years ago4.1290.41004.428
total26.6818.11244.84
Central Pre-Alpsless than 10 years ago23.31122.21145.57
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 ago4.7273.9308.620
total46.6750.9697.52
Eastern Pre-Alpsless than 10 years ago18.21213.61531.88
11-20 years ago10.0188.61918.612
21-30 years ago2.9353.2336.123
31-40 years ago3.9302.1406.123
41-50 years ago2.5371.1573.631
over 50 years ago3.2334.3287.521
total40.7732.9873.63
Northwestern Alpsless than 10 years ago12.5157.22219.712
11-20 years ago6.8223.23310.018
21-30 years ago8.6192.53711.117
31-40 years ago2.5371.1573.631
41-50 years ago2.5372.1404.627
over 50 years ago6.4236.12312.516
total39.3722.21161.54
Central Alpsless than 10 years ago5.5233.1328.618
11-20 years ago2.4371.0573.430
21-30 years ago1.4502.1403.531
31-40 years ago1.7441.0572.734
41-50 years ago0.7701.1581.744
over 50 years ago2.1404.9266.921
total13.81313.21427.07
Northeastern Alpsless than 10 years ago6.8212.5379.318
11-20 years ago5.4242.1407.520
21-30 years ago3.9291.4495.424
31-40 years ago1.1570.7701.844
41-50 years ago0.7700.7701.449
over 50 years ago4.3282.1406.422
total22.299.71731.96
Southwestern Alpsless than 10 years ago16.8137.62124.411
11-20 years ago12.0163.83015.814
21-30 years ago7.5212.1419.618
31-40 years ago4.5272.7357.221
41-50 years ago7.9202.43810.318
over 50 years ago29.8912.01641.88
total78.5430.69109.13
Southeastern Alpsless than 10 years ago16.21415.81432.09
11-20 years ago16.51411.61728.110
21-30 years ago12.31610.11822.412
31-40 years ago8.4208.02016.514
41-50 years ago4.9264.1299.119
over 50 years ago17.61315.01532.69
total75.9564.76140.62
Southern Alpsless than 10 years ago11.7172.83514.515
11-20 years ago8.1202.53810.618
21-30 years ago9.6193.93013.416
31-40 years ago7.1224.62711.617
41-50 years ago7.7211.8459.519
over 50 years ago70.9515.11586.05
total115.1330.610145.72
Switzerlandless than 10 years ago148.65334.72483.32
11-20 years ago90.06120.15210.14
21-30 years ago58.3855.58113.85
31-40 years ago36.81039.1975.97
41-50 years ago32.21026.11258.38
over 50 years ago148.8471.67220.33
total514.62647.121161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164278/150659
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