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NFI4
forest area
primary forest function NFI4: nature protection · altitudinal vegetation zone (3 classes) · time of last treatment (classes of 10 years)
unit of reference: production 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
primary forest function NFI4: nature protection
yesnototal
altitudinal vegetation zone (3 classes)time of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
subalpinen/a0.0.0.0.0.0.
less than 10 years ago5.12056.4661.55
11-20 years ago3.22539.5742.77
21-30 years ago3.02626.2929.18
31-40 years ago1.63518.91020.510
41-50 years ago2.62817.91020.510
over 50 years ago14.71270.5585.25
total30.28229.22259.42
montanen/a0.0.0.0.0.0.
less than 10 years ago7.416215.13222.53
11-20 years ago4.32194.9499.24
21-30 years ago3.62444.2747.86
31-40 years ago2.92629.7832.68
41-50 years ago1.04522.4923.39
over 50 years ago6.71769.3576.05
total25.89475.62501.51
colline/submontanen/a0.0.0.4710.471
less than 10 years ago13.612166.33179.93
11-20 years ago7.21639.9747.16
21-30 years ago3.32414.51217.810
31-40 years ago1.4389.31510.714
41-50 years ago1.8338.0169.714
over 50 years ago3.82327.2831.17
total31.18265.52296.62
totaln/a0.0.0.4710.471
less than 10 years ago26.09437.82463.82
11-20 years ago14.711174.23189.03
21-30 years ago9.91484.9594.74
31-40 years ago5.91857.9663.85
41-50 years ago5.41948.2653.66
over 50 years ago25.39167.03192.33
total87.25970.411057.51
© WSL, Swiss National Forest Inventory, 21.06.2020 #817398/283729
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