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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:: of the central Oregon Cascades AN ABSTRACT OF THE THESIS OF Neil Elliott West for the (Name

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

Synecology of the white-oak (Quercus garryana Douglas) woodlands of the Willamette Valley, Oregon

Creator:: Thilenius, John F., 1931-
Abstract:: Quercus garryana dominated plant communities are found in the interior coastal valleys and on foothills from southeastern Vancouver Island, British Columbia, south to San Francisco, California. They occur as savannas, intermixed with a variety of conifers, and in almost pure stands. The diversity of habitats occupied by the species and...
Resource Type:: Dissertation
Full Text:: ) woodlands of the Willamette valley, Oregon AN ABSTRACT OF THE THESIS OF JOHN FREDRICK THILENIUS for the

Lichen distribution in Oregon coastal dune communities

Creator:: Leuthner, Shirley Mae
Abstract:: Distribution of lichens was studied at seven coastal dune sites in Oregon. Lichens were sampled in the dry stable, dry meadow, meadow, rush meadow, marsh, shrub and forest deflation plain communities. Observations were made of the standing water in the marsh community. Quantitative measurements were made of the percent organic...
Resource Type:: Masters Thesis
Full Text:: forest type, were also observed for lichens. Crustose, Hypogymnia enteromorpha and Menegazzia terebrata

Succession and certain adaptive features of plants native to the sand dunes of the Oregon coast

Creator:: Kumler, Marion Lawrence, 1941-
Abstract:: The vegetation of the Oregon coast is characterized by a variety of stages of plant succession which are repeated widely throughout the sand dune area. During the years from 1960 to 1963 the gradation of upland sand dune succession was studied on 48 plots within a 150 mile section of...
Resource Type:: Dissertation
Full Text:: native to the sand dunes of the Oregon coast AN ABSTRACT OF THE THESIS OF MARION LAWRENCE KUMLER for

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:: , working in McDonald Forest located near Corvallis, Oregon, noted that forests of Douglas fir were

Relation of boron to cherry rosette disease in Oregon, and the possible implication in Oregon, and the possible implication of a virus

Creator:: Bolwyn, Bart
Abstract:: A disease of sweet cherry (Prunus avium L.) known as "cherry rosette" has threatened production of cherries in Oregon. In 1961 this disease was observed in widely separated orchards. Rosette occurred in isolated trees or in spreading patterns, often from identified single trees or from one section of an orchard....
Resource Type:: Dissertation
Full Text:: A THESIS submitted to Oregon State University in partial fulfillment of the requirements for

Benthic algal communities of the Metolius River

Creator:: Sherman, Barbara Jane Powell, 1938-
Abstract:: Samples of benthic algae were collected from the Metolius River of central Oregon at two-week intervals between April 15, 1967 and March 9, 1968. Species of filamentous algae and diatoms present were recorded for every sampling station on each sampling date. Permanent mounts of diatom frustules were prepared. This sampling...
Resource Type:: Dissertation
Full Text:: Sherman A THESIS submitted to Oregon State University in partial fulfillment of the requirements for

Epidemiology of stripe rust (Puccinia striiformis west.) of wheat in Oregon

Creator:: Shaner, Gregory Ellis
Resource Type:: Dissertation
Full Text:: slopes upward to the south and finally gives way to forest. Except for a part of Umatilla County the

Soil moisture depletion trends under five plant species present on the Douglas-fir clear-cuts of Mary's Peak, Oregon

Creator:: Drew, Stephen Ernest
Abstract:: Soil moisture depletion trends under five plant species growing on the clear-cuts of the Marys Peak Watershed near Corvallis, Oregon, were followed during the summers of 1963 and 1964. The species were Holcus lanatus, Lotus crassifolius var. subglaber, Gaultheria shallon, Berberis nervosa, and Acer circinatum; and were dominant plants of...
Resource Type:: Masters Thesis
Full Text:: University Forest Research Laboratory and also to the Oregon Agri- cultural Experiment Station for

ScholarsArchive@OSU

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

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

Synecology of the white-oak (Quercus garryana Douglas) woodlands of the Willamette Valley, Oregon

Lichen distribution in Oregon coastal dune communities

Succession and certain adaptive features of plants native to the sand dunes of the Oregon coast

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

Relation of boron to cherry rosette disease in Oregon, and the possible implication in Oregon, and the possible implication of a virus

Benthic algal communities of the Metolius River

Epidemiology of stripe rust (Puccinia striiformis west.) of wheat in Oregon

Soil moisture depletion trends under five plant species present on the Douglas-fir clear-cuts of Mary's Peak, Oregon

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