Levels-of-Growing-Stock Cooperative Study in Douglas-Fir. Report No. 7. Preliminary Results, Stampede Creek, and Some Comparisons with Iron Creek and Hoskins

摘要

Results of the Stampede Creek LOGS study in southwest Oregon are summarized, and results are compared with two more-advanced LOGS studies and, in general, are similar. To age 43, thinning in this low site 111 Douglas-fir (Pseudotsuga Menziesii) stand resulted in some reduction in volume growth and moderate gains in diameter growth. Growth was strongly related to level of growing stock. Desirable density levels are recommended for young Douglas-fir stands.