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NFI4b
stem number of dead wood
mechanical strength of wood (3 classes) · cavity by woodpecker
unit of reference: production region
unit: 1000 n
unit of evaluation: accessible forest without shrub forest
restriction: tree status = standing dead
grid: grid NFI4 2009-2013
state 2009/13
mechanical strength of wood (3 classes)
fresh / firm woodrotten woodmouldering / mull woodtotal
cavity by woodpecker1000 n± %1000 n± %1000 n± %1000 n± %
cavity present105013681143951921269
cavity absent21233550788153812278494
total22283557597193211299754
© WSL, Swiss National Forest Inventory, 15.07.2015 #202407/188645
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