Decayed Wood Advisor

For Structural Condition: Larger 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: VASW Species Name: Vaux's swift
Decay Class: All hollow trees; 62% (15) live, 38% (9) dead Stand Age Or Structure: primarily old growth, some regeneration units with remnants
Geographic Area: NE Oregon Comments: nest trees, n=24 for dbh, n=20 for height; at 9 nests swifts entered trees through broken top, at 15 nests entered hollow through pileated holes along trunk. Only one swift nest per hollow, usually only one per tree unless separate hollows with separate entrances.
Citation: Bull and Hohmann 1993; Bull and Cooper 1990 Structural Detail (Specific Structure):  
Specified Name in Citation: Vaux's swift Habitat Type Details(Specifics):  
Snag/Partially Dead tree level:   Snag/Tree DBH: mean (SD) 83 (26.6) cm
Snag/Tree Height: mean (SD) 25.4 (6.7) m Snag/Tree Species: grand fir