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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: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
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 ago5.61965.1570.75
11-20 years ago3.82345.0648.96
21-30 years ago4.42137.6742.07
31-40 years ago2.23027.2829.48
41-50 years ago2.82724.7927.58
over 50 years ago20.21099.94120.14
total39.07299.52338.52
montanen/a0.0.0.0.0.0.
less than 10 years ago8.315227.73235.93
11-20 years ago4.920101.54106.44
21-30 years ago4.32150.6654.96
31-40 years ago3.32437.2740.57
41-50 years ago1.24125.3926.59
over 50 years ago7.51679.3586.84
total29.58521.61551.01
colline/submontanen/a0.0.0.4710.471
less than 10 years ago15.211171.43186.63
11-20 years ago7.21642.2749.46
21-30 years ago3.72315.41119.110
31-40 years ago1.83310.51412.313
41-50 years ago1.8338.71510.414
over 50 years ago3.82330.3834.27
total33.67278.82312.42
totaln/a0.0.0.4710.471
less than 10 years ago29.18464.22493.31
11-20 years ago15.911188.73204.63
21-30 years ago12.513103.64116.04
31-40 years ago7.31674.9582.25
41-50 years ago5.71958.7664.45
over 50 years ago31.58209.53241.02
total102.041099.911201.91
© WSL, Swiss National Forest Inventory, 21.06.2020 #817376/283707
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