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Full-Text Articles in Marine Biology

The Effect Of Post-Harvest Storage Temperature And Drying Method On The Pathogen Load Of Edible Kelp, Jessica Vorse Aug 2022

The Effect Of Post-Harvest Storage Temperature And Drying Method On The Pathogen Load Of Edible Kelp, Jessica Vorse

All Theses And Dissertations

The American seaweed industry is growing, primarily into the edible sector, and as a result, more seaweed products are available for human consumption. It is necessary to evaluate the safety of industry’s current post-harvest storage and processing methods to ensure the risk of foodborne pathogens on edible seaweed remains low. We evaluated the pathogen load of edible kelp post-harvest under three different storage temperatures (4˚C, 10˚C, 20˚C) and two different drying methods (air- and freeze-drying). The focal pathogens for this project were six of the most common food-associated pathogens in the United States: Listeria monocytogenes, Salmonella enterica, Staphylococcus aureus, pathogenic …


Climate-Driven Stock Shifts And Expansions In The U.S. Northeast Shelf: Identifying Challenges, Opportunities, And Barriers Through Fishermen And Manager Perspectives, Sophie A. Swetz May 2022

Climate-Driven Stock Shifts And Expansions In The U.S. Northeast Shelf: Identifying Challenges, Opportunities, And Barriers Through Fishermen And Manager Perspectives, Sophie A. Swetz

All Theses And Dissertations

Climate-driven warming in the U.S. Northeast Shelf (NES) has led to changes in the spatial distributions of many marine resources. Shifts and expansions of commercially important fish stocks pose major challenges to fishermen and fisheries managers in this region. American lobster (Homarus americanus) in the Gulf of Maine (GOM) is one of these impacted stocks and is projected to continue its shift towards more northern and offshore areas. Continued ocean warming could potentially reduce the GOM lobster stock by up to 60% over the next several decades. Given Maine’s reliance on its lobster fishery—which contributes over 80% of …


Possible Surf And Turf Mutualism: The Potential Of Yeast Grown From Maine Wood As Feed For Atlantic Salmon, Gina Scott May 2022

Possible Surf And Turf Mutualism: The Potential Of Yeast Grown From Maine Wood As Feed For Atlantic Salmon, Gina Scott

All Theses And Dissertations

With fed aquaculture expanding, challenges are being faced with increasing demands for protein for feed. Fishmeal as a protein is at high cost and low supply, and meals from terrestrial agriculture can impact fish health; both also generate environmental challenges. One potential alternative protein is yeast, which can be grown using waste softwood. Simultaneously, Maine forestry has lost buyers of waste wood with several paper mill closures. If yeast is produced as an alternative protein for fish feed using this wood, both Maine Atlantic salmon farming, Maine’s most valuable form of aquaculture, and Maine forestry could benefit. Environmental impact and …