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Autecological studies of bitterbrush (Purshia tridentata (Pursh) DC.)

Creator:: Stanton, Frank Webster
Resource Type:: Dissertation
Full Text:: study, and in particular to Dr. D. W. Hedrick and Dr. Frank ii. Smith for editing and reviewing with

Heat as a factor in germination of seeds of Ceanothus velutinus var. laevigatus T. & G.

Creator:: Gratkowski, H.
Resource Type:: Dissertation
Full Text:: , U. S. Department of Agriculture, financed all phases of the project. Mr. W. E. Hallin of the

Racial variation in seedling development of Douglas fir, Pseudotsuga menziesii (Mirb.) Franco

Creator:: Owen, Herbert Elmer, 1925-
Resource Type:: Dissertation
Full Text:: Dr. William w. Chilcote during the course of this investigation, and for his and Dr. Frank H

Heat as a factor in germination of seeds of Ceanothus velutinus var. laevigatus T. & G.

Creator:: Gratkowski, H.
Resource Type:: Dissertation
Full Text:: . Mr. W. E. Hallin of the Roseburg Research Center and Dr. W. W. Chiloote, Associate Professor of

An analysis of montane forest vegetation on the east flank of the central Oregon Cascades

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:: sympathetic understanding of his major professor, Dr. W. W. Chilcote. Many personnel of the United States

Revegetation in the 1914-1915 devastated area of Lassen Volcanic National Park

Creator:: Bailey, Warren Hutchinson, 1914-
Abstract:: At the time of the eruptions of Lassen Peak in 1914-1915, an area of vegetation along the east slope of the mountain approximately 1 1/4 miles wide and four miles long was destroyed. Except for a few surviving trees, all vegetation was destroyed. A study of the revegetation of this...
Resource Type:: Dissertation
Full Text:: preparation of this dissertation. Most of all, thanks should go to Dr. W. W. Chilcote, Associate Professor

Fire history of the ponderosa pine forests of the Warm Springs Indian Reservation, Oregon

Creator:: Soeriaatmadja, Roehajat Emon, 1936-
Abstract:: Fire has played a prominent role in the development and character of the ponderosa pine forests in western North American. Its records are written in the scars of trees that have survived the fire. Careful studies of these fire-scars may be used as a means of reconstructing the fire history...
Resource Type:: Dissertation
Full Text:: gratitude to my major professor, Dr. W. W. Chilcote for his constant advice and encouragement during the

Growth and replacement patterns occuring among selected dominant species associated with plant succession on Douglas fir clear-cuts

Creator:: Robinson, Myles Canby
Abstract:: Growth and replacement patterns of four successionally important species occurring on Douglas fir clear-cuts were investigated from September 1964 to June 1967. The study was carried out on the Marys Peak watershed located near Corvallis, Oregon. Species used in the study include Holcus lanatus, Senecio jacobaea, Lotus crassifolius var. subglaber,...
Resource Type:: Dissertation
Full Text:: vegetational structure and cornposition. Chilcote In order to detect even sligh( changes in vegetation, a

Distribution of understory species in relation to maximum and minimum tree influence in the montane forest of the Central Oregon Cascades

Creator:: Robinson, Andrew Frederick, Jr.
Abstract:: Twenty sites of uniform topography and soil were select ed in the montane forest found on the East flank of the Central Oregon Cascades. These sites were located along a vegetational gradient composed of five plant communities: Abies/Pachistima, Pinus/Ceanothus, Pinus Arctostaphylos-Purshia, Pinus/Purshia/Festuca, and Juniperus Festuca. An attempt was made to...
Resource Type:: Dissertation
Full Text:: THE CENTRAL OREGON CASCADES Abstract approved: Redacted for Privacy W. W. Chilcote Twenty sites of

Some factors controlling the establishment and distribution of Quercus agrifolia Nee and Q. engelmannii Greene in certain southern California oak woodlands

Creator:: Snow, Gerald Eldon
Abstract:: The structure of two oak woodland types in the Santa Rosa region of the Santa Ana Mountains of southern California has been described by Zuill (1967). One type called the grass oak woodland (GOW) is composed mainly of Q. engelmannii on hills and slopes. The other type called the dense...
Resource Type:: Dissertation
Full Text:: Abstract approved: Redacted for privacy W. W. Chilcote The structure of two oak woodland types in the

ScholarsArchive@OSU

Autecological studies of bitterbrush (Purshia tridentata (Pursh) DC.)

Heat as a factor in germination of seeds of Ceanothus velutinus var. laevigatus T. & G.

Racial variation in seedling development of Douglas fir, Pseudotsuga menziesii (Mirb.) Franco

Heat as a factor in germination of seeds of Ceanothus velutinus var. laevigatus T. & G.

An analysis of montane forest vegetation on the east flank of the central Oregon Cascades

Revegetation in the 1914-1915 devastated area of Lassen Volcanic National Park

Fire history of the ponderosa pine forests of the Warm Springs Indian Reservation, Oregon

Growth and replacement patterns occuring among selected dominant species associated with plant succession on Douglas fir clear-cuts

Distribution of understory species in relation to maximum and minimum tree influence in the montane forest of the Central Oregon Cascades

Some factors controlling the establishment and distribution of Quercus agrifolia Nee and Q. engelmannii Greene in certain southern California oak woodlands

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