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NFI4
forest area
degree of transportation system density by method of timber harvest
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: protection forest perimeter SilvaProtect: access. forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
degree of transportation system density by method of timber harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0.4710.21000.0.0.0.0.0.0.4711.045
high road infrastructure, ground based29.8817.21012.0123.4233.3244.02269.75
medium road infrastructure, ground based16.01113.6128.0153.5232.8272.23046.16
low road infrastructure, ground based3.02610.2146.0188.91411.5139.81449.36
high road infrastructure, supported by cable or helicopter7.81636.4723.9819.6913.11215.811116.74
medium road infrastructure, supported by cable or helicopter1.24120.8914.11120.3920.9933.97111.34
low road infrastructure, supported by cable or helicopter0.0.10.4146.21823.7827.7851.85119.74
total58.25108.7370.1479.5379.34117.92513.91
© WSL, Swiss National Forest Inventory, 11.07.2020 #845465/311796
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