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Filtering by: Creator Tappeiner, J. C. (John C.) Rights Statement Copyright Not Evaluated

A user's guide for on-site determinations of stand density and growth with a programmable calculator

Creator:

Oregon State University. Forest Research Laboratory, Tappeiner, J. C. (John C.), Gourley, J. C. (Jonna C.), and Emmingham, William H.

Resource Type:

Technical Report
Response of young Douglas-fir to 16 years of intensive thinning

Creator:

Tappeiner, J. C. (John C.), Bell, John F., Brodie, J. Douglas (John Douglas), 1938-, and Oregon State University. Forest Research Laboratory

Abstract:

A 20-year-old Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] stand in the Oregon Coast Range was thinned from about 1,700 to about 350 trees/ac. Subsequent thinnings, under eight different regimes, occurred at ages 23, 27, 30, and 32. Average net periodic cubic-volume growth was strongly influenced by thinning regime, varying from about...

Resource Type:

Technical Report
Survival and growth of Douglas-fir seed sources in the Hospital Tract rangewide source archive plantation

Creator:

Gamble, William E., Adams, W. T., Tappeiner, J. C. (John C.), and Oregon State University. Forest Research Laboratory

Abstract:

"In 1954, Dr. Helge Irgens-Moller initiated a rangewide collection of seed and seedlings of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). Nearly 700 trees or stands were sampled in 10 western states, Canada, and Mexico. From 1957 to 1971, 639 of these collections were planted in the Hospital Tract Rangewide Source Archive...

Resource Type:

Technical Report