Download or read book Field Guide for the Identification of Snags and Logs in the Interior Columbia River Basin written by Catherine G. Parks and published by Cascade Geographic Society. This book was released on 1997 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This field guide contains descriptions and colour photographs of snags and logs of 10 coniferous and 3 deciduous tree species found in the interior Columbia River basin, mainly in Washington, Oregon and Idaho, USA. Methods are described to distinguish among the different species when various amounts of branches, cones, and bark are 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.