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NFI4b

forest area: primary forest function NFI4: nature protection · altitudinal vegetation zone (3 classes) · time of last treatment (classes of 10 years)
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
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± %
subalpineless than 10 years ago4.72862.7767.47
11-20 years ago3.53247.5851.08
21-30 years ago5.32639.7945.09
31-40 years ago2.53826.71129.111
41-50 years ago2.83521.81324.612
over 50 years ago20.31395.46115.75
total39.19293.83332.93
montaneless than 10 years ago8.620226.74235.33
11-20 years ago4.628109.45114.15
21-30 years ago2.93553.8856.78
31-40 years ago3.63235.41039.09
41-50 years ago1.15823.31224.412
over 50 years ago8.22173.9682.06
total29.011522.52551.42
colline/submontaneless than 10 years ago15.215173.44188.74
11-20 years ago7.52240.5948.18
21-30 years ago4.22914.21618.414
31-40 years ago1.1588.92010.019
41-50 years ago2.5388.52011.018
over 50 years ago3.63231.81035.310
total34.210277.33311.53
totalless than 10 years ago28.511462.92491.42
11-20 years ago15.715197.54213.24
21-30 years ago12.417107.76120.15
31-40 years ago7.12271.0778.17
41-50 years ago6.42453.6860.07
over 50 years ago32.110201.04233.03
total102.261093.611195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #149986/136367
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