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NFI4b

forest area: time of last treatment (classes of 10 years) · lower/higher altitudinal zones · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
time of last treatment (classes of 10 years)lower/higher altitudinal zones %± %± %± %± %± %± %±
less than 10 years agolowlands57.91.413.81.519.22.15.91.46.21.36.81.429.60.7
high altitude areas8.00.828.22.019.92.215.42.217.42.14.21.114.20.6
total65.91.442.02.139.12.721.22.523.62.311.01.743.80.8
11-20 years agolowlands14.51.06.81.19.51.62.61.02.70.93.61.09.00.5
high altitude areas4.10.615.71.614.01.913.92.118.62.14.51.19.80.5
total18.61.122.51.823.52.316.52.221.32.28.01.518.80.7
21-30 years agolowlands4.70.63.20.84.11.11.50.72.10.83.00.93.60.3
high altitude areas1.80.48.01.26.51.37.31.612.61.83.91.15.40.4
total6.50.711.21.410.71.78.81.714.71.96.81.49.00.5
31-40 years agolowlands2.10.41.90.63.51.0..3.51.02.70.92.30.3
high altitude areas1.50.45.11.04.31.14.41.27.11.42.40.83.40.3
total3.60.57.01.17.81.54.41.210.61.75.01.25.70.4
41-50 years agolowlands1.80.40.60.30.60.41.80.81.50.74.81.21.70.2
high altitude areas0.40.25.51.04.71.26.61.55.01.22.60.93.10.3
total2.20.46.11.05.31.28.51.76.51.37.41.44.90.4
over 50 years agolowlands2.70.52.50.73.00.98.81.73.00.926.12.45.90.4
high altitude areas0.40.28.71.210.61.731.92.820.32.235.62.612.00.6
total3.10.511.21.413.61.940.63.023.32.361.72.717.90.6
totallowlands83.71.128.82.039.92.720.52.418.92.146.92.752.10.8
high altitude areas16.31.171.22.060.12.779.52.481.12.153.12.747.90.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #143954/130327
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