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NFI4b

forest area: silvicultural treatment between NFI3 and NFI4 · harvesting systems · 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
silvicultural treatment between NFI3 and NFI4harvesting systems1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
silvicultural treatmentaxe..............
chain saw57.3799.7552.986.2238.9196.823231.63
chainsaw, then processor6.5239.5197.8210.31004.9260.77129.811
wheeled harvester9.41933.6101.550..1.158..45.58
tracked harvester1.8451.450........3.233
walking harvester....0.4100..0.4100..0.771
chainsaw, then chipper0.7710.4100........1.158
feller buncher, then chipper..............
chainsaw, then yarder0.41000.41008.5203.830..0.410013.416
chainsaw, then helicopter0.41000.41005.3263.1331.8445.32516.215
others..............
total76.46145.3376.3613.41517.01413.216341.53
no silvicultural treatmentaxe..............
chain saw81.8581.36148.9425.01045.6736.99419.42
chainsaw, then processor9.02011.31736.591.05820.81212.81691.56
wheeled harvester15.51514.2154.3291.0582.835..37.89
tracked harvester2.9351.4500.41000.3100....5.027
walking harvester0.4100..0.4100..1.844..2.538
chainsaw, then chipper0.7710.4100......1.4502.538
feller buncher, then chipper....0.4100......0.4100
chainsaw, then yarder5.8253.23337.9918.1130.41003.23368.67
chainsaw, then helicopter0.771..39.9938.7827.61082.55189.54
others0.771..........0.771
total117.54111.84268.6284.2498.93136.83817.81
totalaxe..............
chain saw139.13181.13201.7331.1954.4643.78651.12
chainsaw, then processor15.51520.91344.381.45025.81013.516121.35
wheeled harvester24.91147.785.7251.0583.930..83.36
tracked harvester4.7272.8350.41000.3100....8.221
walking harvester0.4100..0.771..2.141..3.233
chainsaw, then chipper1.4500.771......1.4503.632
feller buncher, then chipper....0.4100......0.4100
chainsaw, then yarder6.1243.53146.5821.9110.41003.63182.06
chainsaw, then helicopter1.1580.410045.3841.8729.41087.85205.73
others0.771..........0.771
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 10.11.2014 #143447/129820
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