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Marine Biology

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The University of Maine

Oyster

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The Sociocultural Significance Of Maine's Oyster Based On Media Coverage Analysis, Syeira Clark Dec 2023

The Sociocultural Significance Of Maine's Oyster Based On Media Coverage Analysis, Syeira Clark

Honors College

Throughout the last decade, the oyster aquaculture industry in Maine has boomed, with 6 million pounds of oysters being harvested in 2021, about the amount that was harvested in 2016 (Cough, 2022). According to the founders of the Maine Oyster Trail, there are over 150 oyster farms currently operating on Maine’s coast, which is about twice as many as there were in 2016 (Maine Sea Grant). With this boom in the industry has come a wave of opportunity, as well as news coverage about the shellfish. This study examines the socio-cultural significance to the state of Maine. While the oyster …


Development Of A High Throughput, Whole Organism Assay For Studying Metabolic Capacity In Crassostrea Virginica, Avuntaura Gulledge May 2022

Development Of A High Throughput, Whole Organism Assay For Studying Metabolic Capacity In Crassostrea Virginica, Avuntaura Gulledge

Honors College

Genetic improvement of commercial lines has been a key component in the increased production of eastern oysters (Crassostrea virginica). One form of genetic improvement, induced triploidy, is commonly used to produce sterile oysters with faster growth and higher meat quality. However, the details of the physiological advantage provided by triploidy are poorly understood. Whole animal respiration is an important indicator of an individual’s capacity to meet increased energetic demands for growth and stress response. I have developed an assay for the Agilent’s XFe96 Extracellular Flux Analyzer to measure metabolic capacity (i.e., rates of basal, maximal, mitochondrial, and non-mitochondrial oxygen consumption) …


The World Is Your Oyster, Aliya Uteuova Jul 2018

The World Is Your Oyster, Aliya Uteuova

The Catch

No abstract provided.


Detrital Protein Contributes To Oyster Nutrition And Growth In The Damariscotta Estuary, Maine, Usa, Cheyenne M. Adams May 2018

Detrital Protein Contributes To Oyster Nutrition And Growth In The Damariscotta Estuary, Maine, Usa, Cheyenne M. Adams

Electronic Theses and Dissertations

Oyster aquaculture is an expanding industry that relies on identifying and utilizing natural estuarine conditions for the economically viable production of a filter-feeding crop. The eastern oyster, Crassostrea virginica, is the principal species currently cultured in Maine. In addition to preferentially consumed phytoplankton, various detrital complexes (non-algal and/or non-living organic matter) may provide some nutrition to C. virginica between times of phytoplankton abundance. Here I investigated the importance of detrital proteins in supporting the growth of oysters cultured in the upper Damariscotta Estuary. Oyster aquaculture in this area is highly successful and previous reports indicate that labile detrital protein …


Social And Ecological Factors Affecting The Adoption Of Aquaculture, Karen Pianka May 2016

Social And Ecological Factors Affecting The Adoption Of Aquaculture, Karen Pianka

Electronic Theses and Dissertations

Commercial fishermen in Maine are increasingly dependent upon the American lobster fishery, and this reliance on a single species poses a threat to working waterfronts. Aquaculture represents a potential opportunity for commercial fishermen to diversify their income. Literature on the adoption of innovation suggests that factors such as age, education level, fishing experience, diversification, and leadership are important predictors of early adoption of innovation. However, few studies have examined whether such factors affect the adoption of aquaculture by commercial fishermen. Our marine policy research studied fishermen enrolled in two pilot shellfish and seaweed aquaculture classes held in 2013 in Harpswell …