Decayed Wood Advisor

For Structural Condition: Larger Trees, Small/medium Trees
For Habitat: Westside Lowland Conifer-Hardwood Forest OR Coast, Westside Lowland Conifer-Hardwood Forest OR W Cascades, Westside Lowland Conifer-Hardwood Forest WA Coast, Westside Lowland Conifer-Hardwood Forest WA W Cascades

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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: PIWO Species Name: Pileated woodpecker
Decay Class: 50% dead; 50% live; 71% broken top, 12% intact top, 17% multiple tops Stand Age Or Structure: managed/unmanaged mosaic landscape
Geographic Area: Olympic Peninsula Comments: Roost trees, n=144; 77% of cedars were live, 65% western hemlock and 86% silver fir were snags; mean 7.2 different roost trees used per individual during non-breeding period (n=13);selected (p<.05) for trees>=27.5 m tall and against trees <17.5 m tall, for trees 155-309 cm dbh and against trees 65-124 cm dbh
Citation: Aubry and Raley 2002 Structural Detail (Specific Structure): unmanaged late-successional - 47%; second-growth <35 yrs old - 20%; recent clearcuts -13%; 75 yr old blowdown stands w/remnants - 11%; hardwoods or non-forest -9%
Specified Name in Citation:   Habitat Type Details(Specifics):  
Snag/Partially Dead tree level:   Snag/Tree DBH: mean (SD) 149.0 (57.9) cm
Snag/Tree Height: mean (SD) 36.5 (10.7) m Snag/Tree Species: western hemlock (52%), western redcedar (42%), Pacific silver fir (5%)