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NFI4
stem number of dead wood
mechanical strength of wood (3 classes) · cavity by woodpecker
unit of reference: protection forest region
unit: n/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
mechanical strength of wood (3 classes)cavity by woodpecker n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
n/an/a0.0.0.0.0.0.0.
cavity present0.0.0.0.0.0.0.
cavity absent0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.
fresh / firm woodn/a0.0.0.0.0.0.0.
cavity present11512013622512522319
cavity absent165347308477347548303
total175357318497367568313
rotten woodn/a0.0.0.0.0.0.0.
cavity present116121128133045128110
cavity absent77188151018912121710124
total77198151018912121710134
mouldering / mull woodn/a0.0.0.0.0.0.0.
cavity present024122049133045048013
cavity absent58111011121310111181494
total6812911121310111081494
totaln/a0.0.0.0.0.0.0.
cavity present21031322131822031726
cavity absent284635556786577796512
total304665576816596826532
© WSL, Swiss National Forest Inventory, 21.06.2020 #819041/285372
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