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NFI4b

forest area: silvicultural treatment between NFI3 and NFI4 · harvesting systems · 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
silvicultural treatment between NFI3 and NFI4harvesting systems1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
silvicultural treatmentaxe............
chain saw63.2685.8542.2834.6106.423232.13
chainsaw, then processor5.52510.5185.0267.9210.77129.711
wheeled harvester11.31830.9101.8451.450..45.48
tracked harvester1.8451.1580.4100....3.233
walking harvester....0.41000.3100..0.771
chainsaw, then chipper0.7710.4100......1.158
feller buncher, then chipper............
chainsaw, then yarder0.4100..6.8235.9240.410013.516
chainsaw, then helicopter0.41000.41001.8458.3205.32516.115
others............
total83.25129.0458.4758.5712.816341.83
no silvicultural treatmentaxe............
chain saw83.2569.2696.65134.9434.99418.92
chainsaw, then processor8.82010.51816.61442.9912.01790.86
wheeled harvester15.01514.8153.6314.528..37.89
tracked harvester2.6381.8450.41000.3100..5.027
walking harvester..0.41000.41001.745..2.438
chainsaw, then chipper0.7710.4100....1.4502.538
feller buncher, then chipper....0.4100....0.4100
chainsaw, then yarder5.8253.23321.61234.9103.23368.87
chainsaw, then helicopter0.771..18.01489.0681.45189.14
others0.771........0.771
total117.54100.25157.53308.22133.03816.41
totalaxe............
chain saw146.43155.03138.73169.5441.38651.02
chainsaw, then processor14.21621.11221.61250.8812.816120.55
wheeled harvester26.31145.785.4265.924..83.26
tracked harvester4.4292.8350.7710.3100..8.321
walking harvester..0.41000.7712.141..3.133
chainsaw, then chipper1.5500.771....1.4503.632
feller buncher, then chipper....0.4100....0.4100
chainsaw, then yarder6.2243.23328.51140.893.53182.26
chainsaw, then helicopter1.1580.410019.81397.3586.75205.33
others0.771........0.771
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 08.11.2014 #143451/129824
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