Trent University Graduate Thesis Collection

Item Description
Identifier
tula:etd
Type
Collection
Language
eng
Extent
1 item
Rights
Copyright for all items in the Trent University Graduate Thesis Collection is held by the author, with all rights reserved, unless otherwise noted.
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Displaying 1 - 6 of 6

Genomic Signatures of Speciation in Sympatric Flying Squirrels

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Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Menelon, Laurelie, Thesis advisor (ths): Bowman, Jeff, Thesis advisor (ths): Wilson, Paul, Degree committee member (dgc): Shafer, Aaron, Degree granting institution (dgg): Trent University
Abstract: <p>Hybridization contributes to the genetic diversity and can impact speciation. This study investigates the genetic evidence of recent hybridization under climate change in sympatric populations of northern and southern flying squirrels in Ontario. Using low-coverage whole-genome sequences, my research examines the existing population structure and measures the genomic variation of the… more
Full Text: 1 2 3 GENOMIC SIGNATURES OF SPECIATION IN SYMPATRIC FLYING SQUIRRELS 4 5 6 7 8 9 A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science 10 …

Assessing the Cost of Reproduction between Male and Female Sex Functions in Hermaphroditic Plants

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Year: 2021, 2021
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): West, Catherine Lorraine, Thesis advisor (ths): Dorken, Marcel, Degree committee member (dgc): Shafer, Aaron, Degree committee member (dgc): Friedman, Jannice, Degree granting institution (dgg): Trent University
Abstract: <p> The cost of reproduction refers to the use of resources for the production of offspring that decreases the availability of resources for future reproductive events and other biological processes. Models of sex-allocation provide insights into optimal patterns of resource investment in male and female sex functions and have been extended to include other components of the life history,… more
Full Text: Assessing the Cost of Reproduction between Male and Female Sex Functions in Hermaphroditic Plants A Thesis Submitted to the Committee of Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts …

The effects of heat dissipation capacity on avian physiology and behaviour

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Year: 2021, 2021
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Tapper, Simon, Thesis advisor (ths): Burness, Gary, Thesis advisor (ths): Nocera, Joseph J, Degree committee member (dgc): Shafer, Aaron, Degree granting institution (dgg): Trent University
Abstract: <p>In endotherms, physiological functioning is optimized within a narrow range of tissue temperatures, meaning that the capacity to dissipate body heat is an important parameter for thermoregulation and organismal performance. Yet, experimental research has found mixed support for the importance of heat dissipation capacity as a constraint on reproductive performance. To investigate the… more
Full Text: The effects of heat dissipation capacity on avian physiology and behaviour A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in the Faculty of Arts and Science TRENT …

Daphnia pulicaria responses to temperature and nutrients stress: what happens when the heat is on?

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Year: 2020, 2020
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Starke, Cody, Thesis advisor (ths): Frost, Paul C, Degree committee member (dgc): Shafer, Aaron, Degree committee member (dgc): Paterson, Michael, Degree granting institution (dgg): Trent University
Abstract: <p>Warming climates have had various consequences on terrestrial and aquatic food webs that are expected to persist. There is evidence suggesting that certain organisms are better equipped to handle changing climates compared to others. Therefore, the purpose of my thesis was to study the adaptability of Daphnia under temperature stress and nutrient limitation. First, to examine the effects… more
Full Text: DAPHNIA PULICARIA RESPONSES TO TEMPERATURE AND NUTRIENTS STRESS: WHAT HAPPENS WHEN THE HEAT IS ON? A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of …

Using environmental DNA (eDNA) metabarcoding to assess aquatic plant communities

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Year: 2018, 2018
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Coghlan, Stephanie, Thesis advisor (ths): Freeland, Joanna, Thesis advisor (ths): Shafer, Aaron, Degree committee member (dgc): McConnell, Sabine, Degree granting institution (dgg): Trent University
Abstract: <p>Environmental DNA (eDNA) metabarcoding targets sequences with interspecific</p><p>variation that can be amplified using universal primers allowing simultaneous detection</p><p>of multiple species from environmental samples. I developed novel primers for three</p><p>barcodes commonly used to identify plant species, and compared amplification success… more
Full Text: Using environmental DNA (eDNA) metabarcoding to assess aquatic plant communities A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science …

Complex niche determinants in terrestrial salamanders: Does hybridism or reproductive parasitism explain large-scale patterns of distribution?

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Year: 2018, 2018
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Mills, Peter, Thesis advisor (ths): Murray, Dennis, Degree committee member (dgc): Davy, Christina, Degree committee member (dgc): Shafer, Aaron, Degree granting institution (dgg): Trent University
Abstract: <p>I assessed how organisms having multiple biotic attributes may have conflicting niche determinants, and whether the realized niche reflects single or multiple attributes. All-female salamanders engage in two biotic states: hybridism and reproductive parasitism. Hybrids should occupy areas transitional to those used by parental species, whereas parasites that engage in competition with… more
Full Text: Complex niche determinants in terrestrial salamanders: Does hybridism or reproductive parasitism explain large-scale patterns of distribution? A thesis submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirement for the Degree …