Skip to Main Content
Field guide for the identification of snags and logs in the interior Columbia River basin.Author(s): Catherine G. Parks; Evelyn L. Bull; Torolf R. Torgersen
Source: Gen. Tech. Rep. PNW-GTR-390. Portland, OR: US. Department of Agriculture, Forest Service. Pacific Northwest Research Station. 40 p
Publication Series: General Technical Report (GTR)
Station: Pacific Northwest Research Station
View PDF (2.30 MB)
DescriptionThis field guide contains descriptions and color photographs of snags and logs of 10 coniferous and 3 deciduous tree species found in the interior Columbia River basin. Methods arc described to distinguish among the different species when various amounts of branches, cones, and bark arc missing. Wildlife use of the different species of snags and logs are listed. Snags and logs are each classified into three categories based on structural features. Six indicators of fungal decay are illustrated.
- You may send email to firstname.lastname@example.org to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationParks, Catherine G.; Bull, Evelyn L.; Torgersen, Torolf R. 1997. Field guide for the identification of snags and logs in the interior Columbia River basin. Gen. Tech. Rep. PNW-GTR-390. Portland, OR: US. Department of Agriculture, Forest Service. Pacific Northwest Research Station. 40 p
KeywordsCavity nesters, decay fungi, habitat monitoring, hollow trees, interior Columbia River basin, logs, snags, wildlife, wood decay
- Ecological characteristics of old-growth Douglas-fir forests.
- Effects of timber harvest following wildfire in western North America
- The importance of forest type, tree species and wood posture to saproxylic wasp (Hymenoptera) communities in the southeastern United States.
XML: View XML