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NFI4
stem number of dead wood
mechanical strength of wood (3 classes) · cavity by woodpecker
unit of reference: production 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
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
mechanical strength of wood (3 classes)cavity by woodpecker n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
n/an/a0.0.0.0.0.0.
cavity present0.0.0.0.0.0.
cavity absent0.0.0.0.0.0.
total0.0.0.0.0.0.
fresh / firm woodn/a0.0.0.0.0.0.
cavity present12312012211522319
cavity absent216118317394548303
total226127327404568313
rotten woodn/a0.0.0.0.0.0.
cavity present127120120119128110
cavity absent895111581661710124
total996101671761710134
mouldering / mull woodn/a0.0.0.0.0.0.
cavity present035032030119048013
cavity absent5125119912781494
total6116109913681494
totaln/a0.0.0.0.0.0.
cavity present21521321431131726
cavity absent345226555684796512
total365246575704826532
© WSL, Swiss National Forest Inventory, 21.06.2020 #819057/285388
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