Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 26 for “"marine fisheries"”.
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An Intraseason Forecasting System for Commercial Marine Fisheries
… a variety of commercial finfish and crustacean fisheries. The estimation technique is known as the average timing or the average performance model. The method is not easily related to standard statistical models, but does show some similarity to both a single parameter linear regression model …
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Estimating Management Uncertainty for Marine Fisheries in the South Atlantic United States
… and the precarious state of many of the nation's fisheries, it has become essential to incorporate uncertainty in the process of setting annual catch limits (ACLs) and annual catch targets (ACTs). The accuracy with which we predict landings can be thought of as management uncertainty, and it can …
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Towards Colombian small-scale marine fisheries management: Hacia un manejo de la pesca marina artesanal en Colombia
<p>Small-scale fisheries are an important economic and social foundation for the livelihood of coastal communities in Colombia. Yet artisanal fishing communities are characterized by a low quality of life and a struggle for the basic components of well being, in part because of inadequate marine …
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Heritage and change : the implementation of fishing policy in Kassiesbaai, South Africa, 2007
This dissertation looks at the Marine Living Resources Act of 1998, the manner in which it has been conceptualised and the way that this has influenced its implementation. The focus of the investigation is the historic fishing village of Kassiesbaai on the Cape's south coast, looking at the ways in …
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Tangled Lines: the Origins, Performance, and Effects of Commercial and Recreational Fishing Discourses in Carteret County, North Carolina
… over ocean spaces and species, disputes over fisheries governance, competing claims about the value of fish and fishing) in order to contribute to nature-society research in the fields of political ecology, cultural and economic geography, and environmental history. This project has three main …
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Marine Protected areas of the mediterranean region: Management and challenges
… by 2010, for terrestrial areas and by 2012 for marine protected areas, a comprehensive, effectively managed and ecologically representative system of protected areas that collectively and significantly, will reduce the rate of loss of biodiversity. Marine protected areas (MPA) are being …
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Analyses of Indices of Abundance for Important Groundfish Species in the Northern Gulf of Mexico from 1987-2009, Relative to Shrimp Bycatch; with Age and Growth of Three Sciaenid Species
… SEAMAP survey data collected by the National Marine Fisheries Service.</p> <p>Six covariates were used in each submodel during the DLM process and additional type III tests for the effects of shrimp effort were conducted (p</p> <p>In addition, three of the selected Sciaenids were aged, but …
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Intertidal Habitat Utilization by Endangered Green Sturgeon (Acipenser medirostris), Willapa Bay, Washington
… River. Recent studies completed by the National Marine Fisheries Service have shown that significant aggregations of green sturgeon in Willapa Bay occur during the late summer months, and foraging activity for burrowing ghost shrimp (Neotrypaea californiensis) is evidenced by small round feeding …
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An Analysis of Dredge Efficiency for Surfclam and Ocean Quahog Commercial Dredges
<p>Between 1997 and 2011, The National Marine Fisheries Service conducted 50 depletion experiments to estimate survey gear efficiency and stock density for Atlantic surfclam (Spisula solidissima) and ocean quahog (Arctica islandica) populations using commercial hydraulic dredges. The Patch Model …
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Development of safe and ready to eat frozen oyster products using microwave steam-venting technology
… the nation in oyster production. The National Marine Fisheries Service reported that 19.7 million pounds of oyster meat, valued at $62.3 million dollars were harvested from the Gulf Coast region in 2010. One of the main concerns for this industry is the health risk associated with the …
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ESTIMATION OF MORTALITY RATES FOR THE GULF MENHADEN STOCK AND REFERENCE POINT IMPLEMENTATION FOR THE FISHERY
… on an annual basis, the Gulf State Marine Fisheries Commission developed an index-based reference point through an algorithm adopted by managers and stakeholders. I developed a web-based application and 3 time series for the use and implementation of the fishery reference point. This …
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Fishes of the genus Lutianus off the East African coast and Part 2: Notes on the biology of the Lutjanids of the East African coast
… investigated. Routine work of the East African Marine Fisheries Research Organization has produced over 1,000 specimens for study. The Organization's vessel, the M.V. "Research", has collected by handlines, multiple trolling lines, gill nets, deep lines and basket traps over the six hundred mile …
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Development of maritime logistics system to support marine and fisheries integrated centres in small island and boundary areas
… the efforts made especially by the Ministry of Marine Affairs and Fisheries, is to develop Marine Fisheries Integrated Centres (MFICs) on small islands and boundary areas. The data required in this thesis includes data and documents obtained from related institutions in Indonesia as well as …
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Climate impacts and adaptation in the Dungeness crab fishery: a social-ecological systems perspective
… one of the largest and most valuable commercial fisheries, as well as culturally important recreational and subsistence harvests. Yet over the past decade, Dungeness crab fisheries have faced numerous closures from the effects of long-term ocean change and associated extreme events. My research …
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An Assessment of Sea Turtle, Marine Mammal and Seabird Bycatch in the Wider Caribbean Region
<p>Sea turtles, marine mammals and sea birds are vulnerable to higher mortality rates as a direct function of incidental capture (bycatch) in marine fisheries. Their migratory behavior exposes them to multiple fishing gear types and fishing practices and efforts to understand the rates of …
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The Emergence of Ecosystems-Based Fisheries Management from the Groundfish Crisis in New England: An Actor-Network Theory Analysis
… investigates the emergence of ecosystems-based fisheries management (EBFM) for New England's marine fisheries in the context of the "crisis" that is escalating in its groundfish fishery. Close observations of the practices of fisheries scientists in coordination with managers at the New England …
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Three papers on the behavior modeling of the shrimp fishermen in the Gulf of Mexico
… File and the Shrimp Landing File from National Marine Fisheries Service. In the location choice analyses, the U.S. Gulf of Mexico is divided into three areas: FL, LAM, and TX. For each area a conditional logit and mixed logit based on Random Utility Model are run to analyze the influence of …
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Spatial management of groundfish resources in the Gulf of Maine and Georges Bank
<p>In the marine environment, studies suggest that overfishing suppresses sustainability and resilience in fish populations. In the 1990s, the National Marine Fisheries Service (NMFS) implemented five large year-round fishery closures in the Gulf of Maine and Georges Bank. These closures are …
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At the interface : marine compliance inspectors at work in the Western Cape
The Western Cape fisheries are heavily contested. Primary concerns in the contestations are over access to marine resources, which have been regulated through the Marine Living Resources Act of 1998. At the centre of these conflicts, is the figure of the marine compliance inspector, whose task is …
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Management and regulation of local subsistence hunting in north Alaska
… is implicated: international treaties, the Marine Mammal Protection Act of 1972, the Alaska National Interest Lands Conservation Act of 1980, the U.S. Fish and Wildlife Service, the National Marine Fisheries Service, the National Park Service, the Bureau of Land Management, and the Minerals …
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