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Creator:: Keys, Steven Charles
Abstract:: Seedlings from 25 provenances of Abies grandis and Abies concolor were studied at two plantations, 12 at Philomath, Oregon, and 13 at Camino, California. Native seedlings were studied at four of the provenances' field sites. Stomatal infiltration pressure measurements and plant moisture stress measurements were made throughout one summer on...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy Dr. Donald B. Zobel Seedlings from 25 provenances of Abies grandis and Abies

Creator:: Hawk, Glenn M.
Abstract:: The objectives of this study include: (1) analysis of Chamaecyparis lawsoniana, C. taiwanensis, and C. formosensis forests including the structure, composition, and dynamics of plant communities and their environmental relationships; and (2) comparison of the temperate Chamaecyparis forests of Taiwan and the Pacific Northwest with emphasis on structural and successional...
Resource Type:: Dissertation
Full Text:: TEMPERATE CHAMAECYPARIS FORES2 Abstract approved: Redacted for Privacy Donald(B. del The objectives of

Creator:: Carter, Kevin Richard
Resource Type:: Dissertation
Full Text:: during this investigation. I also thank Drs. Donald J. Reed, Kensal E. VanHolde, Donald J. Armstrong and

Creator:: Means, Joseph E.
Abstract:: Pseudotsuga menziesii dominates the forests of the Pacific Northwest. But though it is dominat, Tsuaa heteroohylla or Abies amabilis is usually climax. Many researchers have studied Pseudotsuga on the widespread mesic sites where it is seral, but few have examined the relatively rare ecosystems in which Pseudotsuga or its associate...
Resource Type:: Dissertation
Full Text:: of the Detroit, McKenzie, Blue River, Oakridge and Rigdon ranger districts on the Willamette

Creator:: West, Neil E.
Abstract:: Montane forest vegetation as it occurs on the east flank of the central Oregon Cascades has provided excellent conditions for a "natural experiment" in the use of various methodologies in studying vegetational distribution. This "experiment" has reflected on some theory and practice for the discipline of plant synecology. Detailed descriptions,...
Resource Type:: Dissertation
Full Text:: McKenzie summer ranges had greatly diminished, as grazing allotments were severely reduced due to the

Creator:: Lint, Harold LeRoy
Abstract:: A study was made of the subgenus Genuini of the genus Juncus in the Pacific States, California, Oregon and Washington. Extensive morphological comparisons, geographical distributions, habitat differences and observations of apparent presence or absence of natural hybrids provided the major data sources. Cytological studies were made, but were inconclusive. Eleven...
Resource Type:: Dissertation

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