Decayed Wood Advisor

For Structural Condition: Larger Trees, Open Canopy, Small/medium Trees
For Habitat: Eastside Mixed Conifer Forest E Cascades/Blue Mnts., Eastside Mixed Conifer Forest N Cascades/Rocky Mnts.

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Literature and Studies for Snags

Here are further details on the data for the selected species and citation. Blank cells mean that no information was given. See Literature Cited for the full reference of the citation listed here.

Species Code: BLBE Species Name: Black bear
Decay Class: hollow trees; 77% live, 33% dead. Stand Age Or Structure: various
Geographic Area: NE Oregon Comments: Den sites (top-entry trees), n=30; top-entry hollow tree dens accessed through opening in bole >5m above ground; Portion of a study locating 165 dens; Age of used trees estimate at 300-500yrs; dens typically broken top but 14% w/ access thru side of tree (limb or fork break).
Citation: Bull et al. 2000 Structural Detail (Specific Structure): old multistory=71%, young multistory=21%, stem excl.=7%; 70% unharvested, 13% sel. harvest, 13% partial harvest, 3% regen. harvest.
Specified Name in Citation:   Habitat Type Details(Specifics):  
Snag/Partially Dead tree level:   Snag/Tree DBH: mean (SD) 114 (14.20) cm
Snag/Tree Height: mean (SD) 24 (6.68) m Snag/Tree Species: grand fir (80%) western larch (10%) ponderosa pine (10%)