Index Catalog // ScholarsArchive@OSU

The effects of harvesting Pacific hake (Merluccius productus) on the offshore community : the results of a multi-species model

Creator:: Gartz, Russell G.
Abstract:: The effects of harvesting Pacific hake (Merluccius productus) were examined with a multi-species numerical model composed of seven logistic growth equations coupled by a food web. The food web was composed of: California sea lions (Zalophus californianus), hake, sablefish (Anaplopoma fimbria), spiny dogfish (Squalus acanthias), a generic rockfish species (Sebastes...
Resource Type:: Masters Thesis
Full Text:: Pacific hake (Merluccius roductus) on the Offshore Community: the Results of a Multi-stecies Model

A whale's tale of mtDNA diversity and differentiation : the Antarctic blue whale

Creator:: Sremba, Angela L.
Abstract:: Twentieth century commercial whaling drastically reduced the abundance of great whale populations in the Southern Ocean. Exploitation began on the south Atlantic island of South Georgia, where catch records account for over 175,000 whales killed. Modern whaling within the Southern Ocean depleted populations rapidly, and by 1966, hunting blue whales...
Resource Type:: Masters Thesis
Full Text:: Ocean since the end of the Discovery marking program 50 years ago. In the final chapter of this thesis

Integration of Scientific and Local Knowledge in Data-Poor Fisheries Assessments

Creator:: Jara Baquero, Andrea C.
Abstract:: Small-scale fisheries (SSF) around the world face many challenges. They are a highly dynamic, important sector for coastal communities in developing nations, playing a critical role in poverty alleviation and food security. SSFs generally have few resources to ensure their long-term sustainability. They are often fished and managed locally and...
Resource Type:: Dissertation
Full Text:: spatial scale in the stock risk assessments, and the potential for a synergy of scientific data and

Integrating fleets, markets and ocean dynamics : a bioeconomic analysis of the Oregon ocean shrimp fishery

Creator:: Gallagher, Charmaine Marie
Abstract:: Questions relating to economic performance, biological conservation and variation in resource abundance and harvest of ocean shrimp have led to increasing pressure for management action. Developing effective management policies for this highly variable resource requires a comprehensive understanding of the fishery and marine processes. Important factors in understanding the fishery...
Resource Type:: Dissertation
Full Text:: Results and Extensions of the Oregon Ocean Shrimp Fishery............... 68 3.5 Optimization and

Movement patterns and marine habitat associations of juvenile loggerhead sea turtles (Caretta caretta) in the southwestern Atlantic Ocean

Creator:: Barceló, Caren
Abstract:: Bycatch, or the incidental capture of non-target species, has been implicated as one of the main factors leading to population declines of many large marine vertebrates, including sea turtles. To effectively manage and conserve these long-lived species, their marine distribution, high use areas, foraging habitats, and regions of highest likelihood...
Resource Type:: Masters Thesis
Full Text:: the inter- workings of PNOFA (Uruguay’s onboard pelagic longline scientific observer program

Development of the fisheries of the Eastern North Pacific : a natural-cultural systems perspective

Creator:: Deimling, Elisabeth A.
Abstract:: The eastern margin of the Eastern North Pacific Ocean was classified into physiographic regions based on a suite of physical characteristics. Information on cultural and biological characteristics of this area was meshed with this classification. The result was a classification of the Eastern North Pacific into natural-cultural systems whose boundaries...
Resource Type:: Masters Thesis
Full Text:: : nRedacted for Privacy Wiitkm &liss The eastern margin of the Eastern North Pacific Ocean was classified

Defining habitat preferences of pelagic loggerhead sea turtles (Caretta caretta) in the North Atlantic through analysis of behavior and bycatch

Creator:: McCarthy, Abigail L.
Abstract:: For many species of marine turtle the characteristics that define pelagic habitat have yet to be fully identified. A better understanding of these habitat characteristics is critical to reduce high seas fisheries interactions with turtles, especially as the status of many turtle populations has placed them on the threatened or...
Resource Type:: Masters Thesis
Full Text:: segments. These results confirm comparable analyses of loggerhead tracks in the Pacific, and indicate

Trophically transmitted parasites as ecosystem indicators : relationships among parasite community structure, juvenile salmon diet composition, and ocean conditions

Creator:: Losee, James P.
Abstract:: Recent research conducted throughout the Northern California Current (NCC) on the ecology of Pacific salmon (Oncorhynchus spp.) indicates that variable ocean conditions affect the community composition of zooplankton in the nearshore environment which, in turn, can affect the quality of prey for fish, sea birds and mammals. Interannual variability in...
Resource Type:: Masters Thesis
Full Text:: salmon (Oncorhynchus spp.) indicates that variable ocean conditions affect the community composition of

Effects of Elevated CO₂ on Speckled Sanddab (Citharichthys stigmaeus) Behavior

Creator:: Andrade, Jessica F.
Abstract:: The direct and indirect effects of ocean acidification (OA) are a growing concern, particularly in areas already experiencing elevated levels of oceanic CO₂. Studies with marine fishes suggest that elevated CO₂ levels may affect behavior by interfering with an important brain neurotransmitter. Studies examining the effects of OA fish behavior...
Resource Type:: Masters Thesis
Full Text:: . Hurst The direct and indirect effects of ocean acidification (OA) are a growing concern

Genetic patterns of demography and diversity in eastern North Pacific rockfishes (genus Sebastes)

Creator:: Johansson, Mattias L.
Abstract:: The 100 North Pacific rockfish species in the genus Sebastes are highly diverse. Rockfishes fertilize their eggs internally and release swimming larvae. Complex courting behaviors may allow female rockfish to be selective about their mates and may promote and maintain speciation. In this study, I applied genetic techniques to survey...
Resource Type:: Dissertation
Full Text:: -distance previously identified in copper rockfish is the result of localized habitat or oceanographic

ScholarsArchive@OSU

The effects of harvesting Pacific hake (Merluccius productus) on the offshore community : the results of a multi-species model

A whale's tale of mtDNA diversity and differentiation : the Antarctic blue whale

Integration of Scientific and Local Knowledge in Data-Poor Fisheries Assessments

Integrating fleets, markets and ocean dynamics : a bioeconomic analysis of the Oregon ocean shrimp fishery

Movement patterns and marine habitat associations of juvenile loggerhead sea turtles (Caretta caretta) in the southwestern Atlantic Ocean

Development of the fisheries of the Eastern North Pacific : a natural-cultural systems perspective

Defining habitat preferences of pelagic loggerhead sea turtles (Caretta caretta) in the North Atlantic through analysis of behavior and bycatch

Trophically transmitted parasites as ecosystem indicators : relationships among parasite community structure, juvenile salmon diet composition, and ocean conditions

Effects of Elevated CO₂ on Speckled Sanddab (Citharichthys stigmaeus) Behavior

Genetic patterns of demography and diversity in eastern North Pacific rockfishes (genus Sebastes)

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