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NFI3
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
grid: terrestrial grid NFI3
state2004/06
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 present21141141651441531636
cavity absent175386329288277358273
total195426368338317397303
rotten woodn/a0.0.0.0.0.0.0.
cavity present11921522131612031527
cavity absent311811615111191181265
total410101081314101010111084
mouldering / mull woodn/a0.0.0.0.0.0.0.
cavity present11912112822212522019
cavity absent21241331771461541446
total21151241691381361255
totaln/a0.0.0.0.0.0.0.
cavity present3979713101071291164
cavity absent225516417467427477373
total254575487567496566432
© WSL, Swiss National Forest Inventory, 21.06.2020 #819042/285373
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