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Dissertations / Theses on the topic 'Oyster fisheries'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

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1

Rubio, Ana M. "Environmental influences on the sustainable production of the Sydney rock oyster Saccostrea glomerata : a study in two Southeastern Australian estuaries /." View thesis entry in Australian Digital Theses Program, 2007. http://thesis.anu.edu.au/public/adt-ANU20080618.091057/index.html.

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2

Harding, Juliana Maria. "Ecological interactions between benthic oyster reef fishes and oysters." W&M ScholarWorks, 2000. https://scholarworks.wm.edu/etd/1539616684.

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Restoration of oyster reef structures rehabilitates habitats and the multi-level ecological communities built on eastern oysters (Crassostrea virginica), the keystone species. Quantitative descriptions of ecological interactions within a habitat are required to delineate essential fish habitats for management and protection. Parallel development of primary (oysters) and secondary trophic levels (benthic fishes) offer an ecological metric of restoration progress over time. The interaction between larval oysters and larval fishes (e.g., Gobiosoma bosc, Chasmodes bosquianus) is quantitatively exa

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3

Locke, Diana. "Oyster fisheries management of Maryland's Chesapeake Bay." ScholarWorks, 1998. http://scholarworks.waldenu.edu/dilley/7.

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This study examines the concept of property rights in relation to fisheries resource management in the Maryland oyster fishery. An analysis of the past and present state of this fishery on the Chesapeake Bay focused on the administrative, biological, social, economic, and political influences in fisheries management and their potential consequences. This single fishery once provided a quarter of America's oysters but, if the oyster population decline continues, it may soon become a memory. Though Maryland has a dual property rights structure, private and public, the public fishery predominates

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4

Ford, Courtney B. Wallace Richard K. "Improving tolerance to hypoxia in the eastern oyster, Crassostrea virginica." Auburn, Ala., 2005. http://repo.lib.auburn.edu/2005%20Summer/master's/FORD_COURTNEY_4.pdf.

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5

Bromley, Carolyn Anne. "Science-based management strategies for the commercial and environmental sustainability of the European oyster, Ostrea edulis L." Thesis, Queen's University Belfast, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.695264.

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6

Congrove, Michael Spohn. "A Bio-Economic Feasibility Model for Remote Setting: Potential for Oyster Aquaculture in Virginia." W&M ScholarWorks, 2008. http://dspace.swem.wm.edu/handle/10288/1120.

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7

Thunberg, Eric M. "A decision model to evaluate the cost-effectiveness of alternative Virginia oyster grounds management strategies." Thesis, Virginia Tech, 1985. http://hdl.handle.net/10919/43041.

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Public and private concern over the decline of Virginia's oyster industry prompted the General Assembly (GA) in 1977 and 1983 to commission its Joint Legislative Audit and Review Commission (JLARC) to examine the State's oyster grounds management policies. In response to JLARC's findings the GA directed Virginia Marine Resources Commission (VMRC) to construct and implement an oyster fisheries management plan. The GA set as the plan's objective to achieve the greatest production level possible subject to limits of physical resource availability and technical feasibility. That the pla

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8

Schulte, David M. "Unprecedented Restoration of a Native Oyster Metapopulation." W&M ScholarWorks, 2012. https://scholarworks.wm.edu/etd/1539617928.

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9

Bienlien, Lydia M. "Influence of Perkinsus Marinus Infection and Oyster Health on Levels of Human-Pathogenic Vibrios in Oysters." W&M ScholarWorks, 2016. https://scholarworks.wm.edu/etd/1477068161.

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The eastern oyster Crassostrea virginica is an ecologically and commercially important species whose natural populations have been devastated by overharvesting, habitat destruction, and disease, but the rapid growth of oyster aquaculture has shown potential to restore the economic significance of this species. A key threat to the growth and sustainability of oyster aquaculture is the association of human-pathogenic Vibrio bacteria with product marketed for raw consumption. Two Vibrio species, Vibrio vulnificus and Vibrio parahaemolyticus, are the causes of the highest rates of seafood consumpt

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10

Frey, Devin. "A Machine Learning Approach to Determine Oyster Vessel Behavior." ScholarWorks@UNO, 2016. http://scholarworks.uno.edu/td/2253.

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A support vector machine (SVM) classifier was designed to replace a previous classifier which predicted oyster vessel behavior in the public oyster grounds of Louisiana. The SVM classifier predicts vessel behavior (docked, poling, fishing, or traveling) based on each vessel’s speed and either net speed or movement angle. The data from these vessels was recorded by a Vessel Monitoring System (VMS), and stored in a PostgreSQL database. The SVM classifier was written in Python, using the scikit-learn library, and was trained by using predictions from the previous classifier. Several validation an

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11

March, Richard Alan. "An analysis of the effects of institutional, biological and economic forces on the Virginia oyster fishery." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/49834.

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12

Gallegos, David X. "A GIS-Centric Approach for Modeling Vessel Management Behavior System Data to Determine Oyster Vessel Behavior on Public Oyster Grounds in Louisiana." ScholarWorks@UNO, 2014. http://scholarworks.uno.edu/td/1918.

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The satellite communications system called the Vessel Management System was used to provide geospatial data on oyster fishing over the nearly 1.7 million acres of the public water bottoms in Louisiana. An algorithm to analyze the data was developed in order to model vessel behaviors including docked, gearing, fishing and traveling. Vessel speeds were calculated via the Haversine formula at small and large intervals and compared to derive a measure of linearity. The algorithm was implemented into software using Python and inserted into a PostgreSQL database supporting geospatial information. Qu

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13

Arfken, Ann. "The Eastern Oyster Microbiome and its Implications in the Marine Nitrogen Cycle." W&M ScholarWorks, 2017. https://scholarworks.wm.edu/etd/1516639592.

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Microbial communities associated with a particular space or habitat, or microbiomes, play significant roles in host health and the regulation of biogeochemical cycles. In oysters these microbiomes may be important contributors in the removal of biologically available nitrogen (N) from the coastal and marine environment through the process of denitrification. Denitrification is the microbially mediated step-wise reduction of nitrate (NO3-) or nitrite (NO2-) to N2 gas. Excess nitrogen in the Chesapeake Bay has been implicated in the increase of eutrophication and other detrimental effects includ

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14

Shefi, Debra Gayle. "The development of cutters in relation to the South Australian oyster industry : an amalgamation of two parallel developing industries /." Access full text, 2006. http://ehlt.flinders.edu.au/archaeology/department/publications/PDF%20Theses/Deb%20Sheffi%202006.pdf.

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Thesis (M.Mar.Archaeol.) -- Flinders University, Department of Archaeology, 2006.<br>"A thesis submitted in partial fulfilment of the requirements for the degree of Master of Maritime Archaeology, Department of Archaeology, Flinders University". "May 2006". Includes bibliographical references (leaves 101-105). System requirements for remote version: Adobe Acrobat Reader to view PDF file.

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15

McKelvey, Fionnuala. "Population ecology and fisheries management of the native oyster, Ostrea edulis L. in Lough Foyle." Thesis, University of Ulster, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241729.

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16

Molesky, Thomas J. "Interactions between oyster reefs and adjacent sandflats : effects on microphytobenthos and sediment characteristics /." Electronic version (Microsoft Word), 2003. http://dl.uncw.edu/etd/2003/moleskyt/tommolesky.doc.

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17

Burke, Russell Paul. "Alternative substrates as a native oyster (Crassostrea virginica) reef restoration strategy in Chesapeake Bay." W&M ScholarWorks, 2010. https://scholarworks.wm.edu/etd/1539616589.

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Oyster shell for native oyster reef restoration is scarce in Chesapeake Bay and other estuaries (Chapter 1). Consequently, alternative substrates merit consideration in oyster restoration. This dissertation examines the suitability of shell alternatives, including granite, concrete, limestone marl, concrete modules and reefballs with reef surveys and experiments in the Rappahannock and Lynnhaven Rivers of Chesapeake Bay. Oyster recruitment, growth, survival, density, biomass, condition, and disease stress, as well as reef accretion and persistence, were measured. In the Lynnhaven River, intert

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18

Chuindja, Ngniah Christian. "Application of Web Mashup Technology to Oyster Information Services." ScholarWorks@UNO, 2012. http://scholarworks.uno.edu/td/1568.

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Web mashup is a lightweight technology used to integrate data from remote sources without direct access to their databases. As a data consumer, a Web mashup application creates new contents by retrieving data through the Web application programming interface (API) provided by the external sources. As a data provider, the service program publishes its Web API and implements the specified functions. In the project reported by this thesis, we have implemented two Web mashup applications to enhance the Web site oystersentinel.org: the Perkinsus marinus model and the Oil Spill model. Each model ove

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19

McCulloch, Danielle. "PELAGIC FISH DIVERSITY AND DENSITY ON AND OFF RESTORED OYSTER REEF HABITAT." VCU Scholars Compass, 2017. https://scholarscompass.vcu.edu/etd/5180.

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The heterogeneity provided by structured habitats is important in supporting diverse and dense fish communities. The biogenic reefs created by the native Eastern Oyster, Crassostrea virginica, were once the dominant structural habitat in Chesapeake Bay, and have since declined to less than 1% of historic estimates. Conflicting results on the effects of oyster reef restoration on pelagic fish assemblages make further investigation necessary. Incorporating multiple sampling strategies may help elucidate oyster reef habitat influence on fish assemblages. This study used multi-panel gillnets, hydr

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20

Karp, Melissa Ann. "Influence of Structural Complexity and Location on The Habitat Value of Restored Oyster Reefs." W&M ScholarWorks, 2016. https://scholarworks.wm.edu/etd/1477068135.

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In the Chesapeake Bay, < 1% of the historic oyster population remains, and efforts have been increasing to restore oysters and the services they provide. Building reefs that successfully provide ecosystem services–especially habitat and foraging grounds–may require different restoration techniques than those previously used, and success may depend on reef morphology (complexity), location, and environmental conditions. Salinity and habitat complexity are two important factors that may interact to effect benthic communities and predator-prey interactions on restored reefs. The goals of this pro

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21

Knight, Peter David, and n/a. "Where did we go wrong? : a critical assessment of management in the Bluff Oyster Fishery." University of Otago. School of Surveying, 2008. http://adt.otago.ac.nz./public/adt-NZDU20081218.160813.

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More than a century of dredging for oysters in the Foveaux Strait has resulted in a decimated fishery. In 1999 the Parliamentary Commissioner for the Environment asked the question: Where did we go wrong? This thesis provides answers to this question by presenting information provided by the Bluff oyster fishermen. In order to gain as much exposure to the community of fishermen as possible, a cumulative period of approximately six months was spent living in the town of Bluff between 2002 and 2007. During this time relationships were built with key informants, and a total of more than 50 commun

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22

Bove, Andrew P. ""It Could Be a Big Industry"| Regimes of Value and the Production of Locality Among Oyster Farmers in Southern Maryland." Thesis, The George Washington University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1556620.

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<p> People engaged in small-scale and commercial oyster aquaculture in Southern Maryland negotiate bundled regimes of value in creating a sense of locality through their interactions with oysters. These regimes of value are oysters as food, oysters as agents of ecological restoration, and oysters as a signifier of cultural heritage. The degree to which each regime is valued in relation to the others is highly variable between individuals and contexts. The sense of locality that they produce is constructed against the backdrop of perceived failures of government to adequately protect the resour

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23

Pfirrmann, Bruce William. "Ecosystem Services of Restored Oyster Reefs in a Chesapeake Bay Tributary: Abundance and Foraging of Estuarine Fishes." W&M ScholarWorks, 2017. https://scholarworks.wm.edu/etd/1516639466.

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Oyster reef restoration may enhance the production of ecologically or economically important fish species, an ecosystem service, by providing refuge and foraging habitat. Predicting the effects of oyster habitat restoration on fisheries production in Chesapeake Bay requires a better understanding of fish habitat use, trophic dynamics, and the processes leading to production on a habitat-scale. The objective of this thesis was to evaluate the influence of restored subtidal oyster reefs on the abundance and foraging patterns of mobile estuarine fishes. Specifically, I compared the 1) abundance,

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24

Denapolis, Tasia MV. "Legacy Habitat Suitability of eastern oysters (Crassostrea virginica) in Louisiana: a prelude to Mississippi River Delta freshwater diversions." ScholarWorks@UNO, 2018. https://scholarworks.uno.edu/td/2560.

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The Louisiana oyster industry is greatly impacted by freshwater and sediment diversions that are part of the effort to restore the state’s coastline. A habitat suitability index (HSI) proposes species-habitat relationships that can be instrumental in creating impact assessments and suitability predictions for management as new diversions are implemented. An oyster (Crassostrea virginica) HSI was developed using three variables crucial to oyster sustainability: average annual salinity, minimum monthly salinity, and average salinity during the spawning season. These Legacy HSI visualizations sho

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25

Santopietro, George D. "Evolution of property rights to a natural resource: the oyster grounds of the Chesapeake Bay." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/76496.

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Economists take an interest in property rights structures because of their importance in the definition of incentive structures. Fisheries have been analyzed as open access resources because they are not often organized around private property rights. The lack of private property rights though should not be taken to imply unlimited access. There is a need to differentiate between situations in which an institutional structure supports a system of common property rights from those in which access to a resources is truly limited. In this study, a conceptual framework of the structure and worki

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26

Jud, Zachary R. "Anthropogenic Disturbances in Estuarine Ecosystems: The Effects of Altered Freshwater Inflow, Introduction of Invasive Species, and Habitat Alteration in the Loxahatchee River, FL." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1197.

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With the majority of Earth’s population living in coastal areas, estuarine ecosystems have been particularly affected by anthropogenic disturbances. My dissertation research focused on three interrelated types of human disturbance that affect estuaries: Anthropogenic alteration of freshwater inflow, the introduction of invasive species, and habitat alteration. Using the LoxahatcheeRiver(Jupiter, FL) as a model system, my goal was to understand how these disturbances affect estuarine organisms, particularly fishes. One of the most ecologically harmful disturbances affecting estuaries is anthrop

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27

Machado, Ingrid Cabral. "Um retrato do extrativismo : a sustentabilidade na exploração comercial da ostra de mangue em Cananéia-SP." Universidade Federal de São Carlos, 2009. https://repositorio.ufscar.br/handle/ufscar/1649.

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Made available in DSpace on 2016-06-02T19:29:18Z (GMT). No. of bitstreams: 1 2548.pdf: 4117688 bytes, checksum: 7b49c16675f412a6e3b2572aeaa0d7ff (MD5) Previous issue date: 2009-05-19<br>Currently, the mangrove oyster Crassostrea sp. is one of the most important fishery resources exploited by the artisanal fishery setor of the Cananéia estuary, responsible for the livelihood of 60 families of extractivists for some decades. The production system can be characterized as rudimental, involving the extraction in mangrove and its direct marketing or previous fattening in structures like trays. The

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28

Millstein, Erika Shields. "Oyster reef restoration as a fisheries management tool." 2009. http://www.lib.ncsu.edu/theses/available/etd-08052009-145309/unrestricted/etd.pdf.

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29

Mitchell, Iona Margaret. "Relationship between water quality parameters (nutrients, seston, chlorophyll a), hydrodynamics and oyster growth in three major Pacific oyster (Crassostrea gigas) growing areas in southern Tasmania (Australia)." Thesis, 2001. https://eprints.utas.edu.au/20928/1/whole_MitchellIonaMargaret2001_thesis.pdf.

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An assessment was made of three Pacific oyster ( Crassostrea gig as) growing areas in southern Tasmania (Pitt Water, Pipeclay Lagoon and Little Swanport) with respect to water quality parameters, oyster growth and hydrodynamic characteristics. This was done in an order to explain differences in reported oyster growth rates and hence address the issue of shellfish productivity in each area. Water samples were collected monthly for 13 months from several sites along the length of each area from a marine site to the. upper reaches of the estuary, or coastal embayment. These were analysed fo

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30

Hanes, Samuel Paris. "The high modernist moment oysters, knowledge production, and conservation in the Progressive Era, 1878-1917." 2008. http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.17485.

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31

Barroso, Gilberto Fonseca. "Assessing the potential for mangrove oyster aquaculture in an estuarine system of the southeastern coast of Brazil : a geographic information system approach." 2004. http://hdl.handle.net/1828/648.

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Coastal aquaculture is among the fastest growing sectors of the food producing industry. Bivalve farming is a promising activity in low income countries were mollusk could be cultured under low technology and budget, contributing to reduce poverty and assuring food security. Site selection has been considered as a key process in successful aquaculture developments. A suitability model for mangrove oyster farming in the PiraquC-aqu/PiraquC-mirim estuarine system - PAPMES (Espirito Santo, Brazil) was developed. The suitability model is based on Multi-criteria Evaluation (MCE) which consists of s

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32

Sapna, V. "Investigation on the biochemical genetics of the Indian Pearl Oyster, Pinctada fucata (Gould)." Thesis, 1998. http://eprints.cmfri.org.in/16490/1/Thesis_1998_V.%20Sapna_Pearl%20Oyster.pdf.

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33

Suja, G. "Pathological investigations of Crassostrea madrasensis (Preston, 1916) in cultured and wild habitats from Southern India." Thesis, 2018. http://eprints.cmfri.org.in/13669/1/Suja%20G_2018_Thesis_Pathological%20investigations%20of%20Crassostrea%20madrasensis%20%28Preston%29.pdf.

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Edible oyster populations of the Indian coast are currently naive and are not subjected to live introductions or trans-boundary movements. There were no previous reports on edible oyster mortality due to disease out breaks in the country. Still, the major reported parasites in oysters over the world have been observed in the present study within a low prevalence. The two OIE listed pathogens, Bonamia ostrea and Marteilia refringens, the protozoan, Perkinsus beihaiensis, the trematode, Bucephalus sp. and the shell parasite Polydora sp. are those that have the potential to be a problem fo

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