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NFI4
forest area
protection forest perimeter SilvaProtect · stand density index (SDI)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectstand density index (SDI)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterto 400 (open to scattered)115.0328.0813.11213.01217.7107.416194.23
401-800 (normal to loose)175.1328.1818.7108.71520.199.314260.02
801-1200 (dense)56.3517.71013.9112.13010.8133.026103.74
over 1200 (very dense)7.9167.6164.0220.8502.0310.47122.79
total354.3181.4449.7524.5850.6520.19580.61
inside perimeterto 400 (open to scattered)14.61126.3814.71123.3818.21029.18126.24
401-800 (normal to loose)30.4845.2627.3831.5735.3648.25217.93
801-1200 (dense)10.51426.5817.21015.71014.71121.39105.94
over 1200 (very dense)2.3297.1176.3174.0212.6274.32126.68
total57.85105.0365.5474.5370.74103.03476.51
totalto 400 (open to scattered)129.5354.3527.8836.3635.9636.67320.42
401-800 (normal to loose)205.4273.2446.1540.2655.4557.55477.82
801-1200 (dense)66.8544.2631.0717.8925.5824.38209.63
over 1200 (very dense)10.31414.71110.3134.7194.6204.72049.36
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 25.09.2020 #902370/366738
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