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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: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
primary forest function NFI4: nature protection
yesnototal
altitudinal vegetation zone (3 classes)time of last treatment (classes of 10 years) %± %± %±
subalpineless than 10 years ago12.63.524.31.722.91.5
11-20 years ago10.23.218.71.517.71.4
21-30 years ago12.33.511.81.311.81.2
31-40 years ago6.82.77.91.17.81.0
41-50 years ago8.93.07.51.07.71.0
over 50 years ago49.25.329.81.832.11.7
total100.0.100.0.100.0.
montaneless than 10 years ago28.65.444.81.344.01.3
11-20 years ago18.54.621.51.121.31.1
21-30 years ago8.73.49.40.89.40.8
31-40 years ago11.43.86.20.76.40.7
41-50 years ago2.92.04.30.64.30.5
over 50 years ago29.95.513.90.914.70.9
total100.0.100.0.100.0.
colline/submontaneless than 10 years ago43.15.263.61.761.41.6
11-20 years ago23.44.514.61.315.61.2
21-30 years ago12.23.45.00.85.80.8
31-40 years ago2.31.62.80.62.70.6
41-50 years ago7.92.92.90.63.40.6
over 50 years ago11.13.311.11.111.11.0
total100.0.100.0.100.0.
totalless than 10 years ago28.22.845.20.943.80.8
11-20 years ago17.42.418.90.718.80.7
21-30 years ago11.22.08.70.59.00.5
31-40 years ago6.51.65.60.45.70.4
41-50 years ago6.81.64.70.44.90.4
over 50 years ago29.92.916.80.617.90.6
total100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #149973/136354
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