Index Catalog // ScholarsArchive@OSU

Influence of River Plumes on Larval Fish Distributions, Predator-Prey Relationships, and Fitness in the Northern Gulf of Mexico

Creator:: Axler, Kelia E.
Abstract:: River plumes discharging into continental shelf waters have the potential to influence patchiness of larval fishes, prey, and gelatinous predators. Using a high-resolution plankton imaging system, we sampled larval fishes, copepods, and planktonic predators (ctenophores, hydromedusae, and siphonophores) across multiple freshwater pulses exiting the mouth of Mobile Bay (Alabama, USA)...
Resource Type:: Masters Thesis
Full Text:: thank Dr. Robert Cowen for his encouragement, advice, and serving as a role model for strong

The Influence of Model Resolution on Dispersal and Retention in Oregon Coastal Waters

Creator:: Wong-Ala, Jennifer A. T. K.
Abstract:: Lagrangian particle tracking (LPT) models are used to explore how physical processes influence the transport of particles (e.g., eggs, larvae, or propagules) in the ocean. On the Oregon continental shelf and slope, the Northern California Current System (CCS) is influenced by spatially and temporally variable coastal currents driven by weather,...
Resource Type:: Masters Thesis
Full Text:: , Jessica Miller, and Robert Cowen for their time, knowledge, and advice, which helped shape my thesis

Submarine plateau volcanism and Cretaceous Ocean Anoxic Event 1a : geochemical evidence from Aptian sedimentary sections

Creator:: Walczak, Paul S.
Abstract:: Marine sediments exceptionally rich in organic carbon, known as black shales, occur globally but intermittently in well correlated Cretaceous successions. The presence of black shales indicates that sporadic, ocean-wide interruption of normal respiration of marine organic matter during oxygen-deficient conditions has occurred. Submarine volcanism on a massive scale, related to...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Robert A. Duncan Marine sediments exceptionally rich in organic carbon, known as

Aphid transmission of three strains of cucumber mosaic virus

Creator:: Nelson, Robert Leroy
Resource Type:: Masters Thesis
Full Text:: Walker)' Aph's NddtltOJUi (Thomas) (!.• arprac1ae Cowen), Htzua persicte; llZUf circumtle.gs t Mnu

Planktivorous Auklets (Aethia pusilla and A. cristatella) nesting on St. Lawrence Island, Alaska as indicators of marine conditions in the northern Bering Sea

Creator:: Gall, Adrian
Abstract:: Monitoring reproductive success, prey species composition, and colony size of marine birds has been proposed as a method of assessing changes in marine systems that are otherwise difficult to sample (Cairns 1987). I measured inter-annual and intra-seasonal variability in reproductive parameters, taxonomic composition of the diet, and adult body condition...
Resource Type:: Masters Thesis
Full Text:: field and in the office are an inspiration. My committee members Dr. Charles Miller and Dr. Robert

Deconvolving the sedimentary phases of barium using flow-through time-resolved analysis

Creator:: Hsieh, Chih-Ting
Abstract:: The distribution of barite (BaSO₄) in marine sediments has long been studied as a proxy for paleoproductivity. While pure barite is known to be a stable mineral in oxic sediments, it is also known that variations in the Sr/Ba ratio influence its solubility and liability during early diagenesis. To extract...
Resource Type:: Masters Thesis
Full Text:: consistent with previous findings that documented the existence of Sr-rich barite (Bertram and Cowen, 1997

Patterns of retention and vagrancy in larval Lost River and shortnose suckers from Upper Klamath Lake, Oregon

Creator:: Reithel, Susan A.
Abstract:: Larval transport and retention of two endangered suckers were studied in a highly altered lacustrine/riverine complex. The endangered populations of Lost River sucker, Deltistes luxatus, and shortnose sucker, Chasmistes brevirostris, in Upper Klamath Lake (UKL), Oregon are the largest remnant populations of these suckers. Downstream of UKL, the Keno Impoundment...
Resource Type:: Masters Thesis

A Brief History of Cannabis Cultivation, Use, and a Transcriptome Analysis of Gene Expression Related to CBGA:THCA Ratios in Cannabis sativa L.

Creator:: Skillin, Paul H.
Abstract:: Cannabis sativa L. is emerging as an economically important crop, particularly for its high levels of cannabinoid production. One of these cannabinoids, cannabigerolic acid (CBGA), is the precursor to many well-researched cannabinoids such as the psychotropic delta-9-trans-tetrahydrocannabinolic acid (Δ9-THCA i.e., THCA) and the medically relevant cannabidiolic acid (CBDA). CBGA has...
Resource Type:: Masters Thesis
Full Text:: . Karen Holmberg, Dr. Robert Zemetra, and Dr. Laurent Deluc. Even with all the help my lab provided, I

Patterns and Processes of Fish Dispersal and Settlement along the Oregon Coast

Creator:: Ottmann Riera, Daniel
Abstract:: Most benthic marine organisms have a bipartite life with an early pelagic stage that enables dispersal of offspring, connecting spatially separated populations, and a late stage where individuals reside in a benthic habitat. Settlement of pelagic offspring to bottom associated substrates is the process that connects the two life history...
Resource Type:: Masters Thesis
Full Text:: experience to work with Dr. Su Sponaugle, Dr. Robert Cowen, Dr. Katie Shulzitski, Dr. Kelly Robinson, Dr

A comparison and contrast of pcARC/INFO vs. AutoCAD

Creator:: Smith, Pamela Ann
Abstract:: This paper explores the confusion that exists between general definitions of what constitutes a GIS or CAD system. Then a comparison and contrast is made of microcomputer versions of GIS and CAD programs using as examples two of the most popular, pcARC/INFO and Aut0CAD. The differences and similarities are discussed...
Resource Type:: Capstone Project
Full Text:: GIS vs. CAD vs. DBMS: What are the Differences?, David Cowen (1987) argues that most definitions of a

ScholarsArchive@OSU

Influence of River Plumes on Larval Fish Distributions, Predator-Prey Relationships, and Fitness in the Northern Gulf of Mexico

The Influence of Model Resolution on Dispersal and Retention in Oregon Coastal Waters

Submarine plateau volcanism and Cretaceous Ocean Anoxic Event 1a : geochemical evidence from Aptian sedimentary sections

Aphid transmission of three strains of cucumber mosaic virus

Planktivorous Auklets (Aethia pusilla and A. cristatella) nesting on St. Lawrence Island, Alaska as indicators of marine conditions in the northern Bering Sea

Deconvolving the sedimentary phases of barium using flow-through time-resolved analysis

Patterns of retention and vagrancy in larval Lost River and shortnose suckers from Upper Klamath Lake, Oregon

A Brief History of Cannabis Cultivation, Use, and a Transcriptome Analysis of Gene Expression Related to CBGA:THCA Ratios in Cannabis sativa L.

Patterns and Processes of Fish Dispersal and Settlement along the Oregon Coast

A comparison and contrast of pcARC/INFO vs. AutoCAD

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