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Articles 1 - 4 of 4
Full-Text Articles in Life Sciences
Comparing Two Non-Invasive Methods For Assessing Marine Mammal Genetic Diversity: Environmental Dna Vs. Fecal Dna, Sydney Jackson
Comparing Two Non-Invasive Methods For Assessing Marine Mammal Genetic Diversity: Environmental Dna Vs. Fecal Dna, Sydney Jackson
Honors College
As technology and science progresses, the methodology behind observing, monitoring, and sampling marine mammals advances as well. One such technique is environmental DNA or eDNA, which entails extracting organismal DNA from water samples without ever handling or disturbing the organism. It is a cost-efficient and non-invasive method that can be utilized in the sampling of seal haulout sites as is its purpose for this research. Another method, using the DNA analysis of seal fecal samples, is a less invasive method that can also be utilized to monitor and assess marine mammals. Through collecting both fecal and water samples from gray …
Identifying Umbrella Species To Inform The Conservation Of Intertidal Areas In Acadia National Park, Abigiail Muscat
Identifying Umbrella Species To Inform The Conservation Of Intertidal Areas In Acadia National Park, Abigiail Muscat
Honors College
The nearshore ecosystem in Maine (USA) supports several bird species that rely on intertidal and subtidal zones, including high densities of migratory shorebirds and wintering waterfowl. Additionally, Acadia National Park (ANP) includes some of the country’s highest densities of both Purple Sandpipers (Calidris maritima) and Harlequin Ducks (Histrionicus histrionicus). Here I investigated whether conservation actions taken to preserve these two species of high conservation concern might also benefit the larger taxonomic groups to which they belong, a concept known as “umbrella species conservation”. To answer this question, bird abundance surveys were conducted within ANP during 2021, and detection and occupancy …
Development Of A High Throughput, Whole Organism Assay For Studying Metabolic Capacity In Crassostrea Virginica, Avuntaura Gulledge
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 Effect Of Large Wood Restoration On Algal Biomass And Spatial Distribution In The Narraguagus River, Kiera M. Luu
The Effect Of Large Wood Restoration On Algal Biomass And Spatial Distribution In The Narraguagus River, Kiera M. Luu
Honors College
The Atlantic Salmon (Salmo salar) is an anadromous fish native to the eastern US and Canada. Though they used to inhabit much of the eastern coasts of New England and Canada, the last of the United States’ wild Atlantic Salmon are now mostly limited to Maine. Due to habitat destruction from dams and historic logging activity, the quality of food sources, spawning grounds, and essential juvenile salmon habitat have been severely impacted. This habitat is the rearing area for many young salmon, and its quality influences their growth and recruitment into the overall Atlantic salmon population. Restoration of Atlantic salmon …