Index Catalog // ScholarsArchive@OSU

Mobile Autonomous Passive Acoustic Monitoring of Marine Mammals in the Catalina Basin

Creator:: Edison, Ciera J. and Fregosi, Selene
Abstract:: Traditional visual survey methods for marine mammals can only detect a fraction of the animals present. Even if the animal can be observed from the surface, visual limitations such as time of day and weather conditions can impede this ability. Recent advances in passive acoustic monitoring technologies have led to...
Resource Type:: Poster
Full Text:: [1] Mellinger, D., Stafford, K., Moore, S., Dziak, R. P., and Matsumoto, H. (2007). An Overview of

An assessment of the reproductive cycle in black rockfish, Sebastes melanops (Girard, 1856) on the central Oregon Coast : a blood plasma protein and sex steroid used as potential indicators of sex and stage of gonadal maturity

Creator:: Martin-Mills, Brooke E.
Abstract:: Because of large declines in abundance of many Eastern Pacific rockfish populations (Genus Sebastes), there has been an increasing effort to improve our understanding of the role of spawning population characteristics and individual reproductive success in recruitment variability and population dynamics. Current methods for assessing sex and maturational status in...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Selina S. Heppell Because of large declines in abundance of many Eastern Pacific rockfish

Surfacing Behavior of Juvenile Loggerhead Sea Turtles (Caretta caretta) in North Carolina

Creator:: Patton, B. Wren
Abstract:: Sea turtles are endangered species that can be censused with aerial surveys, but the number of turtles in an area must be extrapolated to include animals that are submerged. Twenty-one satellite tags were attached to juvenile loggerhead sea turtles (Caretta caretta) in North Carolina. I analyzed surfacing and dive behavior...
Resource Type:: Honors College Thesis
Full Text:: I would like to thank my mentor, Selina Heppell, for her constant guidance, insight, and patience

Diel activity patterns in demersal fishes on Heceta Bank, Oregon

Creator:: Hart, Ted
Abstract:: Most fishes exhibit differences in activity patterns from day to night, with a switch from high to low activity at dusk and reverse at dawn. Marine reef fishes show similar behavior among sites, despite dissimilar species assemblages, suggesting that common selection pressures are leading to convergent behavior. Few studies to...
Resource Type:: Masters Thesis
Full Text:: I would like to give special thanks to the members of my committee: Selina Heppell, W. Waldo

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:: . Abstract approved: ______________________________________________________ Selina Heppell

Development of an Interpretive Exhibit on Marine Reserves and Marine Protected Areas in Oregon

Creator:: Vandehey, Amy
Abstract:: Oregon is currently in the process of establishing Marine Reserves (MRs) and Marine Protected Areas (MPAs) within Oregon’s Territorial Sea. To assure that residents are aware of impending policy and the science behind it, science educators must formulate education tools that define terms and identify issues, but do not alienate...
Resource Type:: Capstone Project
Full Text:: I would like to thank my advisor Selina Heppell for her continual help, and for sticking with me

Arribada nesting of olive ridley sea turtles (Lepidochelys olivacea) at La Escobilla, Mexico

Creator:: Ocana, Melissa Ann S.
Abstract:: Olive ridley sea turtles (Lepidochelys olivacea) present an interesting case study of the conservation of wildlife species that aggregate in high densities and have served as resources for human consumption. Ridleys exhibit synchronized mass-nesting behavior, during events called "arribadas," where thousands of females lay eggs together in a small area...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Selina S. Heppell Olive ridley sea turtles (Lepidochelys olivacea) present an interesting

Growth rates and species composition of juvenile rockfish (Sebastes spp.) in Oregon’s nearshore and estuarine habitats

Creator:: Gallagher, M. Brett
Abstract:: Identification of critical habitat for all life stages of commercially exploited fish populations is critical for effective management. Despite a clear need for basic biological information on juvenile rockfish life history, there have been very few efforts to describe distribution and habitat of this life stage, particularly along the Oregon...
Resource Type:: Masters Thesis
Full Text:: and Estuarine Habitats Abstract approved: Selina S. Heppell

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:: : Selina S. Heppell Bycatch, or the incidental capture of non-target species, has been implicated

Vertebral elemental markers in elasmobranchs : potential for reconstructing environmental history and population structure

Creator:: Smith, Wade D.
Abstract:: Differences in the chemical composition of calcified structures can be used to reveal natal origins, connectivity, metapopulation structure, and reconstruct the environmental history or movement patterns of many marine organisms. Sharks, skates, and rays (elasmobranchs) lack the calcified structures, known as otoliths, that are typically used for geochemical studies of...
Resource Type:: Dissertation
Full Text:: : ___________________________________________________________________ Selina S. Heppell Differences in the chemical composition of calcified structures can be

ScholarsArchive@OSU

Mobile Autonomous Passive Acoustic Monitoring of Marine Mammals in the Catalina Basin

An assessment of the reproductive cycle in black rockfish, Sebastes melanops (Girard, 1856) on the central Oregon Coast : a blood plasma protein and sex steroid used as potential indicators of sex and stage of gonadal maturity

Surfacing Behavior of Juvenile Loggerhead Sea Turtles (Caretta caretta) in North Carolina

Diel activity patterns in demersal fishes on Heceta Bank, Oregon

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

Development of an Interpretive Exhibit on Marine Reserves and Marine Protected Areas in Oregon

Arribada nesting of olive ridley sea turtles (Lepidochelys olivacea) at La Escobilla, Mexico

Growth rates and species composition of juvenile rockfish (Sebastes spp.) in Oregon’s nearshore and estuarine habitats

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

Vertebral elemental markers in elasmobranchs : potential for reconstructing environmental history and population structure

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