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Filtering by: Committee Member Hansen, Everett Committee Member Cromack, Kermit

The spatial distribution of wood-nesting ants in the central Coast Range of Oregon

Creator:

Nielsen, Gary R. (Gary Richard), 1956-

Resource Type:

Dissertation

Full Text:

thank Dr. Everett Hansen and Dr. Donald Zobel for loaning field and laboratory equipment to me. I am
Logs as sites of tree regeneration in Picea sitchensis-Tsuga heterophylla forests of coastal Washington and Oregon

Creator:

Harmon, Mark E.

Abstract:

Logs are seedbeds for trees in many Picea sitchensis-Tsuga heterophylla forests of Washington and Oregon. Factors affecting this close association, including seed retention and seedling establishment on logs and successional changes in log characteristics, are explored In this study. Field and laboratory experiments indicated that competition with vegetation on the...

Resource Type:

Dissertation