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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 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 ago5.22062.7567.95
11-20 years ago3.82343.4747.36
21-30 years ago4.02232.7836.77
31-40 years ago2.03225.4927.48
41-50 years ago2.82722.1924.89
over 50 years ago18.61090.54109.14
total36.37276.82313.22
montanen/a0.0.0.0.0.0.
less than 10 years ago8.116223.73231.83
11-20 years ago4.52199.74104.24
21-30 years ago4.02249.4653.36
31-40 years ago3.12536.6739.77
41-50 years ago1.04524.9925.99
over 50 years ago7.21676.4583.65
total27.98510.61538.51
colline/submontanen/a0.0.0.4710.471
less than 10 years ago14.312170.03184.33
11-20 years ago7.21641.4748.66
21-30 years ago3.72315.01118.710
31-40 years ago1.8339.91411.713
41-50 years ago1.8338.71510.414
over 50 years ago3.82328.7832.57
total32.68274.12306.72
totaln/a0.0.0.4710.471
less than 10 years ago27.58456.42484.02
11-20 years ago15.511184.53200.03
21-30 years ago11.71397.14108.84
31-40 years ago6.91771.9578.85
41-50 years ago5.51955.7661.26
over 50 years ago29.78195.63225.33
total96.841061.511158.41
© WSL, Swiss National Forest Inventory, 21.06.2020 #817375/283706
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