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NFI4b

stem number: important exotic species · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
restriction: important exotic species ≠ other ligneous species
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
important exotic species %± %± %± %± %± %± %±
european black pine5.33.10.0.0.0.0.0.0.0.0.0.5.33.1
eastern white pine3.01.50.30.30.0.0.0.0.0.0.0.3.31.6
douglas fir34.87.80.30.30.0.0.0.0.0.0.60.635.77.8
red oak6.45.10.0.0.0.0.0.0.0.0.0.6.45.1
cultivated poplars4.02.70.0.0.0.0.0.0.30.30.0.4.32.7
black locust8.65.20.0.0.0.3.72.60.0.30.510.142.79.6
other exotics1.31.01.00.80.0.0.0.0.0.0.0.2.31.3
total63.49.81.60.90.0.3.72.60.30.331.010.1100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #166736/153119
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