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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · main type of harvest · 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
avalanches SilvaProtect, modelled and assignedmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterskidder2.241..7.5223.8303.2330.77117.314
forwarder0.4100..0.41000.3100....1.158
mobile tower yarder1.450..9.2197.2212.8352.14122.812
cable crane....11.3173.1333.5313.63121.513
helicopter0.4100..10.6188.9195.3257.82133.110
others0.4100........0.41000.771
total4.727..39.0923.31114.81514.61596.46
outside perimeterskidder116.74151.43114.4519.91219.11315.315436.72
forwarder56.6792.3512.8163.1338.5203.631176.84
mobile tower yarder9.4199.51965.0713.71523.01115.315135.85
cable crane2.2411.45061.573.83025.41119.213113.45
helicopter1.1580.77150.8833.2924.81177.85188.44
others3.2331.8451.4500.7710.41004.22911.717
total189.22257.11305.9274.34101.13135.431062.91
totalskidder118.94151.43121.9523.61122.31216.014454.02
forwarder56.9792.3513.2163.4318.5203.631177.94
mobile tower yarder10.8189.51974.2620.91225.81017.414158.64
cable crane2.2411.45072.866.82228.91022.812135.05
helicopter1.4500.77161.4742.1730.11085.75221.43
others3.6311.8451.4500.7710.41004.62812.417
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164702/151084
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