TABLES 



Page 



Table 1. — Number of study trees by species 3 



Table 2. --Percent of white rot and brown rot in each stage of 



decay by tree species 9 



Table 3. — Percent of total cubic cull volume caused by each type 



of rot and stage of decay in each tree species .... 9 



Table U, — Fungi causing decay by type rot and species 11 



Table 5. — Flat factors for gross board-foot and cubic-foot volumes 20 



Table 6. — Indicator factors for Sitka spruce 22 



Table ?• — Indicator factors for western hemlock 23 



Table 8. — Indicator factors for western redcedar 2i| 



Table 9. — Percent cull in three tree species by elevation above 



sea level 25 



Table 10. — Tree diameter, volume and cull by age class and species 30 



FIGUHES 



Figure 1. — Average utilized top diameter 5 



Figures 2, 3, h, 5.— Types of cull 7-8 



Figures 6, 7, 8, 9. — Some conks that are reliable indicators of 



cull on Sitka spruce l5 



Figures 10, 11, 12, 13. — Injuries on trees that are reliable 



indicators of cull l6 



Figures ll;, l5, l6, 1?. — Some conks and injuries that are reliable 



indicators of cull in western hemlock 17 



Figures 18, 19, 20, 21, — Non-indicators of cull and one indicator l8 



Figure 22. — Relationship of tree age to board-foot cull 27 



Figure 23. — Relationship of tree age to cubic-foot cull 28 



Figure 21;. — Relationship of tree age to occurrence of rot .... 29 



