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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 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 ago5.22063.0568.25
11-20 years ago3.82343.5747.26
21-30 years ago4.12232.9837.07
31-40 years ago1.93225.4927.38
41-50 years ago2.82722.1924.99
over 50 years ago18.51090.54109.04
total36.37277.42313.72
montanen/a0.0.0.0.0.0.
less than 10 years ago8.116223.23231.33
11-20 years ago4.52199.94104.34
21-30 years ago4.02249.3653.36
31-40 years ago3.12536.4739.57
41-50 years ago1.04524.8925.89
over 50 years ago7.21676.2583.45
total27.98509.71537.61
colline/submontanen/a0.0.0.4710.471
less than 10 years ago14.312169.83184.13
11-20 years ago7.31641.6748.96
21-30 years ago3.92315.01118.810
31-40 years ago1.83310.01411.813
41-50 years ago1.9338.61510.514
over 50 years ago4.02328.7832.77
total33.28274.12307.32
totaln/a0.0.0.4710.471
less than 10 years ago27.68456.02483.61
11-20 years ago15.511184.93200.53
21-30 years ago12.01397.14109.14
31-40 years ago6.91771.8578.65
41-50 years ago5.71955.5661.26
over 50 years ago29.88195.43225.23
total97.441061.111158.51
© WSL, Swiss National Forest Inventory, 21.06.2020 #817388/283719
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