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The economics of spatial choice and displacement: case study of the Oregon bottom trawl groundfish fishery

Creator:: Valcic, Branka
Abstract:: To increase the knowledge needed to successfully implement the ecosystem-based approach to fishery management, this dissertation investigates important issues within the economics of choice and the economics of displacement. In particular, a discrete choice model of the fishing location decision in the Newport, Oregon bottom trawl groundfish fishery is estimated...
Resource Type:: Dissertation
Full Text:: Displacement: Case Study of the Oregon Bottom Trawl Groundfish Fishery Abstract approved: Susan S. Hanna

Addressing the future of water in Oregon : a look at the human and institutional factors shaping Oregon water management

Creator:: Wolters, Erika Allen
Abstract:: Oregon is a state with great social and ecological diversity. Unfortunately however, Oregon's water-rich reputation is more rumor than reality. As with many Western states, Oregon struggles with water scarcity, especially during dry summer months. Recent efforts by the state to develop an integrated water resource strategy (IWRS) to manage...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Erika Allen Wolters for the degree of Doctor of Philosophy in

Comparative genomics of Vibrio and characterizing microbial communities at a shellfish hatchery

Creator:: Delgado, Hanna
Abstract:: Vibrio bacteria are commonly found in freshwater, marine, and estuarine environments. Members of this genus can exist in commensal relationships with marine animals or as planktonic bacteria, however, they are well known for their roles as pathogens towards humans and animals. In this dissertation, I investigated aspects of host-bacteria relationships...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Hanna Delgado for the degree of Doctor of Philosophy in Microbiology presented on

A theoretical analysis of information networks in the fishery

Creator:: Hanna, Susan
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Susan Steele Hanna for the

Changes in lattice spacing of expanding clay minerals

Creator:: Sayegh, Antoine Hanna
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE THESIS OF Antoine Hanna Sayegh for the Ph. D. in Soils (Name) (Degree) (Major) Date

Quantitative, multi-spectral, light-transmission imaging of colloid transport in porous media at the meso scale

Creator:: Kraft, Erika Lorna
Abstract:: Colloids, particles smaller than ten microns in diameter, are ubiquitous in the subsurface. Colloids have an effect on the transport of contaminants that bind to their surfaces, and can reduce the permeability of aquifer materials through deposition. Some microorganisms, including pathogens, are also transported in the subsurface as colloids. The...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Erika Lorna Kraft

Reproductive strategies of the Ocoee salamander, Desmognathus ocoee

Creator:: Adams, Erika M.
Abstract:: The majority of female animals are polyandrous: offspring within a single reproductive event are sired by more than one male. However, we lack a clear understanding of the ultimate causes of polyandry, and of the male reproductive strategies which have evolved in response to selection occurring after insemination. I addressed...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Erika M. Adams for the

A model of fall chinook salmon (Onchorhynchus tshawytscha) life history

Creator:: Hirai, Takayuki
Abstract:: The research involved development of two ecological simulation models to explain the complex dimensionality of chinook salmon (Oncorhynchus tshawytscha) life history structure (represented by the age composition of the spawning stock) and management difficulties entailed in the complexity. Since different sizes of chinook salmon are thought to adapt differently to...
Resource Type:: Dissertation
Full Text:: Hanna, Dr. Jim Lannan and Dr. Lea Murphy, respectively. In addition to these committee members, Dr

Assemblages of groundfish caught using commercial fishing strategies off the coasts of Oregon and Washington from 1985-1987

Creator:: Rogers, Jean Beyer
Abstract:: The groundfish trawl fishery operating off the coasts of Oregon and Washington 1985-1987 caught six major assemblages of species which could be treated as units in developing mixed-species management plans. Eighty-one percent of the tows observed on commercial vessels were consistently placed in one of the assemblage designations using three...
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGEMENTS I am grateful to Dr. Ellen K. Pikitch, my major professor, and to Dr. Susan S. Hanna, Dr

Anthropogenic activities associated with the status of salmon stocks in Pacific Northwest watersheds

Creator:: Mrakovcich, Karina Lorenz
Abstract:: Stocks of salmon are declining in the Pacific Northwest. Based on region-wide studies that list and categorize the status of salmon stocks (Nehlsen et al., 1991; Huntington et al., 1994; and Nawa, 1995), I analyze the watersheds where stocks of salmon spawn for several anthropogenic variables, most of which are...
Resource Type:: Dissertation
Full Text:: . Thank you, Bill. My committee members, Susan Hanna, Cynthia Leornard, Bruce Shindler, Fred Smith, and

ScholarsArchive@OSU

The economics of spatial choice and displacement: case study of the Oregon bottom trawl groundfish fishery

Addressing the future of water in Oregon : a look at the human and institutional factors shaping Oregon water management

Comparative genomics of Vibrio and characterizing microbial communities at a shellfish hatchery

A theoretical analysis of information networks in the fishery

Changes in lattice spacing of expanding clay minerals

Quantitative, multi-spectral, light-transmission imaging of colloid transport in porous media at the meso scale

Reproductive strategies of the Ocoee salamander, Desmognathus ocoee

A model of fall chinook salmon (Onchorhynchus tshawytscha) life history

Assemblages of groundfish caught using commercial fishing strategies off the coasts of Oregon and Washington from 1985-1987

Anthropogenic activities associated with the status of salmon stocks in Pacific Northwest watersheds

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