Index Catalog // ScholarsArchive@OSU

Development of an information processing capacity estimation method for managing a project subjected to disruptions

Creator:: Ro, In Kyu
Abstract:: This dissertation is an attempt at developing a method for the analysis and estimation of the effects of disruptions due to uncertainties. Such uncertainties may result from design changes and engineering drawing delays in large-scale, complex, research and development, or construction projects. In order to provide management with a simple...
Resource Type:: Dissertation
Full Text:: Activity 4 Design Changes and Engineering Drawing Delays as Uncertainties 5 The Significance of the Study

Biological studies on the hemoflagellates of Oregon marine fishes and their potential leech vectors

Creator:: Burreson, Eugene Michael
Abstract:: Of 2,122 marine fishes belonging to 36 species collected in the vicinity of Newport, Oregon, 541 belonging to 8 species were infected with hemoflagellates. Four species of trypanosomes and three species of cryptobias were found in offshore fishes, but no hemoflagellates were observed in fishes from Yaquina Bay. Trypanosoma pacifica...
Resource Type:: Dissertation
Full Text:: DOCTOR OF PHILOSOPHY (Name) (Degree) in ZOOLOGY presented on April 8, 1975 (Major Department) (Date

An ecological study of Diatomovora amoena, an interstitial acoel flatworm, in an estuarine mudflat on the central coast of Oregon

Creator:: Thum, Alan Bradley
Abstract:: The distribution and abundance of the interstitial acoel turbellarian, Diatomovora amoena Kozloff, 1965 was studied in an estuarine intertidal sand flat in Yaquina Bay, Oregon, from May 1970 through May 1971. Monthly measurements of biological (organics, sulfides, chlorophyll, and carotenoids), pore water (salinity, pH,oxygen, and temperature), and sediment (fine sediment...
Resource Type:: Dissertation
Full Text:: OF ALAN BRADLEY THUM for the DOCTOR OF PHILOSOPHY (Degree)(Name) in ZOOLOGY (Major) presented on

A green algal symbiont in Clinocardium nuttallii

Creator:: Hartman, Michael Colyn
Abstract:: Clinocardium nuttallii from Yaquina Bay, Oregon, were found to harbor an algal symbiont in the siphon, mantle and occasionally the foot tissues. Approximately 35 percent of the population in the study area was infected to some degree with the alga; however, no cockles under two years of age were infected....
Resource Type:: Dissertation
Full Text:: of the population in the study area was infected to some degree with the alga; however, no cockles

Heart rate, survivorship, oxygen consumption, and metabolic end product accumulations in the intertidal limpets Collisella pelta and Collisella digitalis in relation to desiccation and hypoxia

Creator:: Boese, Bruce Leon
Abstract:: The heart rate, oxygen consumption, survivorship, and 1-lactate accumulation were determined in the intertidal limpets Collisella pelta and Collisella digitalis in relation to laboratory desiccation at 15°C or 30°C. Water loss was computed as a percentage of total initial body water (wet weight - dry weight). Although water was lost...
Resource Type:: Dissertation
Full Text:: this difference. In this study, no change in oxygen consumption was noted during the length of

Population structure of the intertidal shore crab Hemigrapsus oregonensis (Brachyura, Grapsidae) in Yaquina Bay, a central Oregon coast estuary

Creator:: Batie, Robert Edward
Abstract:: The Hemigrapsus oregonensis population at Coquille Point in the Yaquina Bay Estuary on the Central Oregon Coast was studied from April, 1972 through May, 1973. The population was found to be vertically stratified from the 1 ft level to the 5 ft level. Population densities were found to be most...
Resource Type:: Dissertation
Full Text:: for the study period was 4. 3 ft. The variation between the MHHW and the MLHW for each month was, in

Size variation and food habits of larval bullfrogs, Rana catesbeiana Shaw, in western Oregon

Creator:: Brown, Randall Errol
Abstract:: An investigation was made of the factors which cause differences in growth rates and transformation size of bullfrog tadpoles under natural conditions. Tadpoles and algal samples were collected from two.adjacent farm ponds of similar size during the eighteen months of the study. It was found that the tadpoles in one...
Resource Type:: Dissertation
Full Text:: ). No tadpoles of stages 26 or 27 were found in Trout Pond in June or July in either year of the study

Osmotic and ionic regulation in the Dungeness crab, Cancer magister (Dana)

Creator:: Alspach, George Samuel, Jr.
Abstract:: Osmotic and ionic regulation was studied in the Dungeness crab, Cancer magister, after acute exposure to a range of five salinities from 25% to 125% sea water (100% = 32%). Blood, urine and muscle tissue were sampled at 24 and 48 hours after exposure. Analyses were made of blood and...
Resource Type:: Dissertation
Full Text:: Doctor of Philosophy (Name of student) (Degree) in ZOOLOGY (Major) presented on January 28, 1972 (Date

The biology of two species of Echinorhynchus (Acanthocephala) from marine fishes in Oregon

Creator:: Miller, Richard Leo
Resource Type:: Dissertation
Full Text:: Zoology in charge of major Chair Dean of Graduate School Date thes is is pr e se nted_____--=-J~a

Aerial and aquatic respiration in the neotenic and transformed Pacific giant salamander, Dicamptodon ensatus (Eschscholtz)

Creator:: Clothier, Glen Warren
Resource Type:: Dissertation
Full Text:: loss during transformation. The present study found no significant difference in aquatic oxygen uptake

ScholarsArchive@OSU

Development of an information processing capacity estimation method for managing a project subjected to disruptions

Biological studies on the hemoflagellates of Oregon marine fishes and their potential leech vectors

An ecological study of Diatomovora amoena, an interstitial acoel flatworm, in an estuarine mudflat on the central coast of Oregon

A green algal symbiont in Clinocardium nuttallii

Heart rate, survivorship, oxygen consumption, and metabolic end product accumulations in the intertidal limpets Collisella pelta and Collisella digitalis in relation to desiccation and hypoxia

Population structure of the intertidal shore crab Hemigrapsus oregonensis (Brachyura, Grapsidae) in Yaquina Bay, a central Oregon coast estuary

Size variation and food habits of larval bullfrogs, Rana catesbeiana Shaw, in western Oregon

Osmotic and ionic regulation in the Dungeness crab, Cancer magister (Dana)

The biology of two species of Echinorhynchus (Acanthocephala) from marine fishes in Oregon

Aerial and aquatic respiration in the neotenic and transformed Pacific giant salamander, Dicamptodon ensatus (Eschscholtz)

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