Index Catalog // ScholarsArchive@OSU

Phylogeny and zoogeography of glyptocephalines (Pisces: Pleuronectidae)

Creator:: Chiu, Tai-sheng
Abstract:: Hypotheses of phylogenetic and historical zoogeographic relationships of glyptocephalines (Glyptocephalus cynoglossus, G. zachirus, G. stelleri, Microstomus kitt, H. pacificus, H. achne, Embassichthys bathybius, and Tanakius kitaharae) were constructed based on comparative anatomy and external morphology. The phylogenetic approach was cladistic and character polarity was determined by using out-group comparison. One...
Resource Type:: Dissertation
Full Text:: Glyptocephalines (Pisces: Pleuronectidae) Abstract approved: Douglas F. Markle Hypotheses of phylogenetic and

Forest ant composition, relative abundances, and foraging following aerial spraying of carbaryl to suppress Western Spruce budworm

Creator:: Murphy, Christopher F.
Abstract:: An outbreak of western spruce budworm Choristoneura occidentalis in the Blue Mountains of eastern Oregon in 1983 was treated with helicopter applied carbaryl. Effects of the spraying on forest ants were determined from pre- and postspray samples taken from two carbaryl sprayed and two unsprayed plots. In each 0.75-ha plot,...
Resource Type:: Masters Thesis
Full Text:: THESIS OF Christopher F. Murphy for the degree of Master of Science in Entomology presented on December

Watershed response to western juniper control

Creator:: Deboodt, Timothy L.
Abstract:: Western juniper (Juniperus occidentalis) encroachment has been associated with increased soil loss and reduced infiltration resulting in the loss of native herbaceous plant communities and the bird and animal species that rely on them. Hydrologically, however, change in water yield has been linked with the amount of annual precipitation a...
Resource Type:: Dissertation
Full Text:: John C. Buckhouse Western juniper (Juniperus occidentalis) encroachment has been associated with

Fish oral antigen delivery system development and optimization

Creator:: Zhang, Jia Ai (Allen)
Abstract:: Oral administration is the most practical way of vaccination of fish. It has advantages over intraperitoneal injection and immersion methods that include no stressful handling, no interference with routine fish husbandry and antigens can be delivered to the fish in their feed. An oral antigen delivery system was developed for...
Resource Type:: Dissertation
Full Text:: Optimization Abstract Approved: John Mark Christensen, Ph.D. Oral administration is the most practical

Biology of the myctophid fish, Diaphus theta Eigenmann and Eigenmann 1890, off the Oregon coast

Creator:: Acuna, Enzo S.
Resource Type:: Masters Thesis
Full Text:: "brothers" Alton Chung, John Kalish and Joe Fisher; Gary "B" Braun, Dave Stein, thanks to all of them. Al

Assessment of impacts of Canada geese on wheat production

Creator:: Louhaichi, Mounir
Abstract:: Numbers of wild Canada geese (Branta canadensis) have increased dramatically during the past 30 years in the lower Columbia and Willamette Valley systems. The damage they cause by grazing and trampling plants can be substantial. The objectives of this research were to: 1) Develop methods that provide reliable estimates of...
Resource Type:: Masters Thesis
Full Text:: . Intense grazing may leave plants with only 1 cm protruding above the ground (Allen Jr. et al., 1985

Experimental and mathematical procedures for the estimation of shelf-life : application to temperature-abused chilled seafood

Creator:: Almonacid-Merino, Sergio Felipe
Abstract:: The validation and potential use of mathematical models to estimate the shelf-life of refrigerated food exposed to temperature abuse and basing such estimations on microbial growth was analyzed. Combined heat transfer, microbial growth models, and non-parametric statistical procedures formed a computer-based predictive tool to assess shelf-life and estimate the accuracy...
Resource Type:: Masters Thesis
Full Text:: be written as Q'*, + Q'* + Q'* + Q'* + Q'* + Q'u = P c, ^ ^ f U (in.4) where Q'w = h A (T. - T

Selected factors affecting the pattern of agricultural land conversion in Washington County, Oregon, 1963-1973

Creator:: Furuseth, Owen J., 1949-
Abstract:: In recent years the conversion of agricultural lands to more intensive non-rural land uses has become a focus of increasing public awareness and concern. The growing attention to farmland conversion is manifested in increasing public policies and legilsation to protect agricultural and forestry land uses. Nevertheless, our understanding of the...
Resource Type:: Dissertation
Full Text:: Furuseth Jr. for the degree of Doctor of Philosophy in Geography presented on June 9, 1978 Title

Spatial and temporal variations in sediment accumulation in the central tropical Pacific

Creator:: Murray, David W. (David William), 1956-
Resource Type:: Dissertation
Full Text:: help and friendship along the way; Todd, Gina and Caleb, who provided a wonderful home life; John, who

Interactions between the immune system, stress and thymulin

Creator:: Christian, Richard L., (Richard Leroy), 1971-
Abstract:: This study was conducted to determine the effects of shipping stress on the immune system in domestic lambs (Ovis aries) and to determine the potential of the thymic peptide, thymulin, to reduce those effects of stress on the immune system. Treatments consisted of no shipping (as unstressed controls), shipping (as...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Phylogeny and zoogeography of glyptocephalines (Pisces: Pleuronectidae)

Forest ant composition, relative abundances, and foraging following aerial spraying of carbaryl to suppress Western Spruce budworm

Watershed response to western juniper control

Fish oral antigen delivery system development and optimization

Biology of the myctophid fish, Diaphus theta Eigenmann and Eigenmann 1890, off the Oregon coast

Assessment of impacts of Canada geese on wheat production

Experimental and mathematical procedures for the estimation of shelf-life : application to temperature-abused chilled seafood

Selected factors affecting the pattern of agricultural land conversion in Washington County, Oregon, 1963-1973

Spatial and temporal variations in sediment accumulation in the central tropical Pacific

Interactions between the immune system, stress and thymulin

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