Trent University Graduate Thesis Collection

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    tula:etd
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    1 item
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    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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    Shorebird Habitat Use and Foraging Ecology on Bulls Island, South Carolina During the Non-Breeding Season

    Year: 2019, 2019
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Jamieson, Ellen Geraldine, Thesis advisor (ths): Nol, Erica, Degree committee member (dgc): Smith, Paul, Degree committee member (dgc): Burness, Gary, Degree granting institution (dgg): Trent University
    Abstract: <p>Recent declines in North American shorebird populations could be linked to habitat loss on the non-breeding grounds. Sea-level rise and increased frequency of coastal storms are causing significant erosion of barrier islands, thereby threatening shorebirds who rely on shoreline habitats for foraging. I conducted shorebird surveys on Bulls Island, South Carolina in the winters of 2018 and… more

    The spatial and temporal distribution of tabanid (Chrysops, Hybomitra and Tabanus) species in the Nakina district of northwestern Ontario

    Year: 2019, 2019
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Buckley, Janette, Thesis advisor (ths): Beresford, David, Degree committee member (dgc): Schaefer, James, Degree committee member (dgc): Nol, Erica, Degree granting institution (dgg): Trent University
    Abstract: <p>This thesis focused on expanding knowledge of Hybomitra, Chrysops and Tabanus (Diptera: Tabanidae) distributions north of Lake Nipigon, Ontario, in a managed boreal forest. As land use and climate changes accelerate, there is increased pressure to increase knowledge from which to monitor changes. In 2011 and 2012, 8928 individuals representing, 44 species were captured using sweep… more

    Risk of Mortality for the Semipalmated Plover (Charadrius semipalmatus) Throughout Its Life Cycle

    Year: 2019, 2019
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Williams, Simone Elise, Thesis advisor (ths): Nol, Erica, Degree committee member (dgc): Burness, Gary, Degree committee member (dgc): Bowman, Jeff, Degree granting institution (dgg): Trent University
    Abstract: <p>Three long-term mark and recapture/resight data sets of individually marked</p><p>Semipalmated Plovers (Charadrius semipalmatus) were analyzed using Cormack-Jolly-</p><p>Seber models. Data came from two breeding populations (Churchill, Manitoba, Canada,</p><p>n=982, and Egg Island, Alaska, USA, n=84) and one overwintering population</p><p>(… more

    Detectability and its role in understanding upland sandpiper (Bartramia longicauda) occurence in the fragmented landscape of southern Ontario

    Year: 2019, 2019
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Chronowic, Daniel Adam, Thesis advisor (ths): Nol, Erica, Degree committee member (dgc): Bowman, Jeff, Degree committee member (dgc): Nocera, Joe, Degree granting institution (dgg): Trent University
    Abstract: <p>Upland Sandpipers (Bartramia longicauda), like many grassland birds, are undergoing population decline in parts of their range. Habitat fragmentation and change have been hypothesized as potential causes of decline. I used citizen-science occurrence data from Wildlife Preservation Canada's Adopt-A-Shrike Loggerhead Shrike (Lanius ludovicianus) program in conjunction with validation… more

    The role of corticosterone in breeding effort and reproductive success in tree swallows

    Year: 2019, 2019
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Fischer, Devin, Thesis advisor (ths): Burness, Gary, Degree committee member (dgc): Nol, Erica, Degree committee member (dgc): Nocera, Joseph, Degree granting institution (dgg): Trent University
    Abstract: <p>Glucocorticoids (e.g., corticosterone (CORT)) are hypothesized to mediate decisions regarding reproductive investment during breeding, but the directionality of the relationship is not clear. The CORT-fitness hypothesis posits that high levels of CORT arise from challenging environmental conditions in which an individual will conserve resources for future reproduction or self-maintenance… more