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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:: developed and been practiced principally in the north -central United States. These ±-1:,.R so

Early stages in plant succession on Douglas fir clearcuts on the Mary's Peak watershed near Corvallis, Oregon

Creator:: Brown, Eugene Allen
Abstract:: This study has been concerned with the patterns of vegetative changes which occur during the first five years following logging and burning on Douglas-fir clear cuts. Knowledge of the successional sequence in the coastal forests of western Oregon is of primary importance to those concerned with the management of this...
Resource Type:: Masters Thesis
Full Text:: area is managed as a unit by the United States Forest Service. Due to the marine influence, the

The phytosociology of some vine maple communities in the Marys Peak watershed

Creator:: Anderson, Howard George
Abstract:: A study was undertaken in the Marys Peak watershed with the following objectives. First, a classification of the major plant communities was carried out. Second, some of the ecological features of Acer circinatum that account for its distribution within these communities were determined. The following plant communities are described: Corylus...
Resource Type:: Masters Thesis
Full Text:: Willamette Valley (U. S. Weather Bureau, 1960). Most precipitation is of frontal origin although

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:: , Lexington, Kentucky, who made possible the opportunity to study in the United States of America. I

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:: July maximum as 78 to 84 degrees Fahrenheit (U. S. Weather Bureau, 1936). The natural vegetation of

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:: . No other recent volcanic eruptions have occurred in Western United States (exclusive of Hawaii and

Spatial and developmental patterns of the vegetation of Black Butte, Oregon

Creator:: Sherman, Robert James
Abstract:: Black Butte presents a unique natural laboratory for ecological study. It is a volcanic cone of uniform configuration located in the rain shadow on the east flank of the Oregon Cascades. Soils are of very recent origin with no obvious development of horizons. Physical and chemical analysis revealed little dissimilarity...
Resource Type:: Dissertation
Full Text:: Sherman A THIS submitted to Oregon State University in partial fulfillment of the requirements for the

Contributions to the plant ecology of the Oregon coastal sand dunes

Creator:: Wiedemann, Alfred M.
Abstract:: Sand dunes are found along the coasts of most of the large land masses of the world. Because of their proximity to man and his activities, the maritime sand dunes of Europe, particularly Germany, France, Holland and Scandinavia, have the longest history of stabilization activities and botanical investigation. There are...
Resource Type:: Dissertation
Full Text:: United States have not been studied to any great extent. This is particularly true of the dunes along

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:: early nineteen hundreds, he not only described and classified the vegetation of the United States, but

Spatial and chronological patterns of Purshia tridentata as influenced by Pinus ponderosa overstory

Creator:: Sherman, Robert James
Abstract:: Twelve sites of uniform topography and soils were selected in the Pinus ponderosa/Purshia tridentata/Festuca idahoensis Association. These sites were located in the rain shadow on the east flank of the Oregon Cascades. A fire history in the form of fire scars on ponderosa pine was available for nine of these...
Resource Type:: Masters Thesis
Full Text:: STATE UNIVERSITY in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE

ScholarsArchive@OSU

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

Early stages in plant succession on Douglas fir clearcuts on the Mary's Peak watershed near Corvallis, Oregon

The phytosociology of some vine maple communities in the Marys Peak watershed

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

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

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

Spatial and developmental patterns of the vegetation of Black Butte, Oregon

Contributions to the plant ecology of the Oregon coastal sand dunes

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

Spatial and chronological patterns of Purshia tridentata as influenced by Pinus ponderosa overstory

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