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Vegetation changes in the Willamette River Greenway, Benton and Linn Counties, Oregon, 1972-1981

Creator:: Wickramaratne, Siri Nimal
Abstract:: The nature and extent of niparian vegetation change from 1972 to 1981 in the Willamette River Greenway in Benton and Linn Counties, Oregon was quantitatively investigated. The study was primarily by aerial imagery analysis and associated field verification. A classification of vegetation and land cover within the study area was...
Resource Type:: Masters Thesis

Vegetation composition and response to fire of native Willamette Valley wetland prairies

Creator:: Pendergrass, Kathy L. (Connelly)
Abstract:: Fires set by Native Americans were important in shaping and maintaining Willamette Valley prairie plant communities. With fire exclusion after Euro-American settlement in the 1840's, composition of the remaining prairies shifted toward shrub and tree dominance with a concomitant decline in endemic prairie plant populations. I hypothesize that by restoring...
Resource Type:: Masters Thesis
Full Text:: : Vegetation Composition and Response to Fire of Native Willamette Valley Wetland Prairies. Abstract approved

Vegetational changes in the Willamette River Greenway in Benton and Linn Counties, 1972-1981

Creator:: Frenkel, Robert E., Heinitz, Eric F., Wickramaratne, Siri Nimal, and Oregon State University. Water Resources Research Institute
Resource Type:: Technical Report
Full Text:: VEGETATIONAL CHANGES IN THE WILLAMETTE RIVER GREENWAY IN BENTON AND

Field sanitation costs for Willamette Valley grass seed producers

Creator:: Oregon State University. Agricultural Experiment Station, Cross, Timothy L., and Mason, Robert George
Abstract:: Published April 1989. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: Field Sanitation Costs for Willamette Valley Grass Seed

Overstory Structure and Community Characteristics of Oregon Ash (Fraxinus latifolia) Forests of the Willamette Valley, Oregon

Creator:: Prive, Sean
Abstract:: As species of ash trees become increasingly threatened worldwide by exotic pests and pathogens, it is important to develop descriptions of their ecologies that help guide the conservation and restoration of forests in which they are a major component. Oregon ash (Fraxinus latifolia) is a dominant tree species in wetland...
Resource Type:: Masters Thesis
Full Text:: . (2011). Historical vegetation of the Willamette Valley, Oregon, circa 1850. Northwest Science, 85(2

Ecological and mortality factors affecting the nesting stage of the Chinese pheasant, Phasianus torquatus Gmelin, in the Willamette Valley, Oregon

Creator:: Eklund, Carl Robert
Resource Type:: Masters Thesis
Full Text:: Stage of the Chinese Pheasant, Phasianus torquatus, Gmelin in the Willamette Valley, Oregon AN

Quilts and quilt-making in the Willamette Valley of Oregon

Creator:: Meloy, Betty Thiessen
Abstract:: This thesis is a documentation of a selected number of nineteenth century quilts studied by the investigator in the Willamette Valley. The quilts were located in museums and in individual's homes. A questionnaire, that was developed for this study of quilts, was filled out as each quilt was examined. Slides...
Resource Type:: Masters Thesis

Progress of irrigation research on Willamette Valley soils

Creator:: Oregon State University. Agricultural Experiment Station
Abstract:: The future expansion of agricultural production in the Willamette Valley will depend to a large degree upon the feasibility of introducing irrigated agriculture on the poorly drained soils in the Valley. A r earch program has been initiated to investigate the feasibility of rigation on poorly drained soils with the...
Resource Type:: Technical Report
Full Text:: Progress of Irrigation Research On Willamette Valley Soils Agricultural Experiment Station, Oregon State

The Ore bin ; Vol.24, No.3 (March 1962)

Creator:: Oregon. Dept. of Geology and Mineral Industries and Glenn, Jerry L.
Resource Type:: Journal
Full Text:: Vol. 24, No. 3 March, 1962 GRAVEL DEPOSITS IN THE WILLAMETTE VALLEY BETWEEN SALEM AND OREGON CITY

The possibilities and problems of forest farming in the Willamette Valley with particular reference to the determination of economic size

Creator:: Collard, Charles G.
Resource Type:: Undergraduate Thesis
Full Text:: Willamette Valley with particular reference to the determination of economic size The Possibilities and

ScholarsArchive@OSU

Vegetation changes in the Willamette River Greenway, Benton and Linn Counties, Oregon, 1972-1981

Vegetation composition and response to fire of native Willamette Valley wetland prairies

Vegetational changes in the Willamette River Greenway in Benton and Linn Counties, 1972-1981

Field sanitation costs for Willamette Valley grass seed producers

Overstory Structure and Community Characteristics of Oregon Ash (Fraxinus latifolia) Forests of the Willamette Valley, Oregon

Ecological and mortality factors affecting the nesting stage of the Chinese pheasant, Phasianus torquatus Gmelin, in the Willamette Valley, Oregon

Quilts and quilt-making in the Willamette Valley of Oregon

Progress of irrigation research on Willamette Valley soils

The Ore bin ; Vol.24, No.3 (March 1962)

The possibilities and problems of forest farming in the Willamette Valley with particular reference to the determination of economic size

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