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Twenty-one years of secondary succession in Pseudotsuga forests of the western Cascade Range, Oregon

Creator:: Halpern, Charles B.
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Charles B. Halpern for the degree

Forest structure and regeneration in the Tsuga heterophylla - Abies amabilis transition zone, central Western Cascades, Oregon

Creator:: Stewart, Glenn H.
Abstract:: The dynamics of stands in the mid-elevation old-growth Douglas-fir (Pseudotsuga menziesii) forests of the central western Oregon Cascade Range were investigated using stand structure analysis. Trees with different growth rates were commonly present in the same stand, which resulted often in a weak correlation between tree diameter and age. Thus,...
Resource Type:: Dissertation
Full Text:: transition zone. central Western Cascades, Oregon Redacted for Privacy Abstract approved: Jerry F. Franklin

The source area for coarse woody debris in small streams in western Oregon and Washington

Creator:: McDade, Mary Helen
Abstract:: Large organic debris has important biological and physical roles within the stream ecosystem. In order to determine the source area of large organic debris in streams, thirty-nine streams in the Cascade and Coast Ranges of Oregon and Washington were sampled. The distance from point-of-origin to channel was measured for thirty...
Resource Type:: Masters Thesis
Full Text:: : Redacted for privacy .41-ry F. Franklin Large organic debris has important biological and physical roles

Vegetative ecology of a montane mire, Crater Lake National Park, Oregon

Creator:: Seyer, Susan C.
Resource Type:: Masters Thesis
Full Text:: . Franklin Mires, or peat-producing ecosystems, dominated by sedges, shrubs, and brown mosses, are common

Salt marsh reestablishment following dike breaching in the Salmon River estuary, Oregon

Creator:: Mitchell, Diane Lynne
Abstract:: A 22 ha, 1S yeas old, diked permanent pasture in the Salmon River estuary in Lincoln County, Oregon, was chosen for a study to determine the potential for natural salt marsh restoration with dike breaching. Two undiked fragments of relatively undisturbed salt marsh, one at each end of the study...
Resource Type:: Dissertation
Full Text:: Approved: '? - 4&4,u Jerry F. Franklin A 22 ha, 1S yeas old, diked permanent pasture in the Salmon River

Ecology and distribution of riparian vegetation in the Trout Creek Mountains of southeastern Oregon

Creator:: Evenden, Angela G.
Resource Type:: Dissertation
Full Text:: Jerry F. Franklin Vegetation-environment relationships were studied in highly disturbed riparian

Responses of forest understory plants to burial by volcanic tephra from Mount St. Helens, Washington

Creator:: Antos, Joseph A.
Abstract:: The effects of burial by tephra (volcanic aerial ejecta) on forest understory plants were examined northeast of Mount St. Helens, Washington, in the area where the 18 May 1980 eruption deposited tephra but did not destroy canopy trees. At six sites along a tephra depth gradient from 2-15 cm, understory...
Resource Type:: Dissertation
Full Text:: Abstract approved: Redacted for Privacy JDonal0 B. Zabel The effects of burial by tephra (volcanic aerial

The relation of soil characteristics to growth and distribution of Chamaecyparis lawsoniana and Thuja plicata in southwestern Oregon

Creator:: Imper, David Kimberly
Abstract:: Twelve plots at six sites in southwestern Oregon were studied to determine the degree to which various soil characteristics are related to the occurrence and growth of Chamaecyparis lawsoniana and Thuja plicata. Soil profiles and vegetation were described in each plot, and measurements were made of insolation, soil and litter...
Resource Type:: Masters Thesis
Full Text:: lkoLltcT B. Zobel Twelve plots at six sites in southwestern Oregon were studied to determine the degree

Comparison of the water relations characteristics of woody plants in western Oregon

Creator:: Davis, Kent J.
Abstract:: I studied the water relations traits, twig conductivity, C'3 isotopic composition, and wood density of three conifer and five angiosperm species in western Oregon. This study took place from spring 2002 to fall 2003 on four sites. Species were selected to represent the diversity of drought tolerance of woody plants...
Resource Type:: Masters Thesis
Full Text:: , 2005. Major Professor, representing B Plant Pathology Chair of the Department of Botany ñd Plant

Vegetation and fire history of a Ponderosa pine-white fir forest in Crater Lake National Park

Creator:: McNeil, Robert Curlan
Resource Type:: Masters Thesis
Full Text:: approved: B, Zobel This thesis describes the composition of and some of the environmental controls of the

ScholarsArchive@OSU

Twenty-one years of secondary succession in Pseudotsuga forests of the western Cascade Range, Oregon

Forest structure and regeneration in the Tsuga heterophylla - Abies amabilis transition zone, central Western Cascades, Oregon

The source area for coarse woody debris in small streams in western Oregon and Washington

Vegetative ecology of a montane mire, Crater Lake National Park, Oregon

Salt marsh reestablishment following dike breaching in the Salmon River estuary, Oregon

Ecology and distribution of riparian vegetation in the Trout Creek Mountains of southeastern Oregon

Responses of forest understory plants to burial by volcanic tephra from Mount St. Helens, Washington

The relation of soil characteristics to growth and distribution of Chamaecyparis lawsoniana and Thuja plicata in southwestern Oregon

Comparison of the water relations characteristics of woody plants in western Oregon

Vegetation and fire history of a Ponderosa pine-white fir forest in Crater Lake National Park

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