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NFI1
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 NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
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/a0.4711.4381.833
less than 10 years ago7.41675.9583.45
11-20 years ago3.52438.0741.57
21-30 years ago2.82729.7832.48
31-40 years ago3.02622.8925.89
41-50 years ago1.14111.81312.912
over 50 years ago11.81349.0660.95
total30.18228.62258.72
montanen/a0.21001.4381.635
less than 10 years ago11.913266.72278.62
11-20 years ago5.12089.5594.64
21-30 years ago2.32936.8739.17
31-40 years ago1.83320.31022.19
41-50 years ago1.14113.31214.412
over 50 years ago3.22548.1651.36
total25.79476.12501.81
colline/submontanen/a0.0.0.7500.750
less than 10 years ago16.911175.83192.73
11-20 years ago4.62136.5741.07
21-30 years ago3.62415.11118.610
31-40 years ago1.53815.91117.410
41-50 years ago0.9453.7234.621
over 50 years ago3.72317.81121.510
total31.28265.42296.62
totaln/a0.6583.5244.122
less than 10 years ago36.27518.41554.61
11-20 years ago13.212163.93177.23
21-30 years ago8.71581.6590.25
31-40 years ago6.21859.1665.35
41-50 years ago3.22428.7831.98
over 50 years ago18.810114.94133.74
total86.95970.211057.11
© WSL, Swiss National Forest Inventory, 21.06.2020 #817362/283693
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