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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: economic 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 ago5.02056.8661.85
11-20 years ago3.22539.1742.37
21-30 years ago3.12626.2929.38
31-40 years ago1.53518.81020.310
41-50 years ago2.62817.81020.410
over 50 years ago14.71170.4585.14
total30.18229.22259.22
montanen/a0.0.0.0.0.0.
less than 10 years ago7.316214.53221.73
11-20 years ago4.22195.3499.64
21-30 years ago3.62444.0747.66
31-40 years ago2.92629.7832.68
41-50 years ago1.04522.3923.39
over 50 years ago6.61769.3576.05
total25.69475.22500.81
colline/submontanen/a0.0.0.4710.471
less than 10 years ago13.712166.23179.93
11-20 years ago7.31640.0747.36
21-30 years ago3.52414.61218.110
31-40 years ago1.4389.21510.614
41-50 years ago1.9337.8169.714
over 50 years ago4.02327.3831.37
total31.88265.52297.32
totaln/a0.0.0.4710.471
less than 10 years ago26.09437.42463.42
11-20 years ago14.711174.53189.23
21-30 years ago10.11484.8594.94
31-40 years ago5.91857.7663.65
41-50 years ago5.51948.0653.56
over 50 years ago25.49167.13192.43
total87.55969.911057.41
© WSL, Swiss National Forest Inventory, 21.06.2020 #817390/283721
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