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NFI4b

forest area: protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimeterless than 10 years ago47.64.953.07.045.32.825.11.710.21.728.91.2
11-20 years ago22.84.121.65.823.12.418.71.57.11.417.51.0
21-30 years ago7.62.611.84.58.91.614.61.48.31.511.30.8
31-40 years ago6.72.43.92.77.31.57.91.16.21.37.10.7
41-50 years ago2.91.63.92.75.11.27.31.06.71.46.20.6
over 50 years ago12.43.25.93.310.41.726.31.761.62.729.01.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside of perimeterless than 10 years ago55.52.477.21.742.42.925.62.29.33.151.91.1
11-20 years ago24.72.013.31.426.52.615.41.88.12.918.50.9
21-30 years ago8.11.35.20.98.81.713.01.712.63.68.50.7
31-40 years ago4.91.02.20.68.11.69.71.514.93.86.00.6
41-50 years ago4.00.90.70.35.71.47.51.35.82.54.00.5
over 50 years ago2.70.81.50.58.51.728.82.349.45.411.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago54.02.175.31.743.92.025.31.310.01.541.70.8
11-20 years ago24.41.814.01.424.71.817.41.27.31.318.00.7
21-30 years ago8.01.25.70.98.81.214.01.19.21.49.80.5
31-40 years ago5.31.02.30.67.71.18.60.98.01.36.50.4
41-50 years ago3.80.80.90.45.30.97.40.86.51.25.00.4
over 50 years ago4.50.91.80.59.51.227.31.459.02.419.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164273/150654
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