• Libraries
    • Log in to:
    View Item 
    •   MSpace Home
    • Faculty of Graduate Studies (Electronic Theses and Practica)
    • FGS - Electronic Theses and Practica
    • View Item
    •   MSpace Home
    • Faculty of Graduate Studies (Electronic Theses and Practica)
    • FGS - Electronic Theses and Practica
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Physical processes driving phytoplankton production around Southampton Island, Nunavut in late summer 2018 and 2019

    Thumbnail
    View/Open
    Thesis (3.532Mb)
    Date
    2022-07-31
    Author
    Kitching, Elizabeth
    Metadata
    Show full item record
    Abstract
    Climate change impacts have brought up the need for a better understanding of the rapidly changing ecosystem of the Arctic. Arctic marine ecosystems, such as around Southampton Island in Hudson Bay, are supported by phytoplankton production. In turn, phytoplankton production, which is influenced by environmental conditions and processes, can impact pelagic and benthic food webs. The goal of this thesis was to determine the physical processes driving phytoplankton production around Southampton Island, Nunavut during summer. Three subgroups of differing physical characteristics of the water column were distinguished: the Northwest Narrows group (well-mixed water connecting Roes Welcome Sound and Frozen Strait), the Hudson Bay group (warmer stratified waters to the south of Southampton Island), and the Foxe group (colder stratified northeastern waters in Foxe Basin and Foxe Channel). The different physical characteristics resulted in contrasting phytoplankton production and phytoplankton bloom stages around the island. In particular, a highly productive phytoplankton bloom supported by mixing and high nutrient availability, was observed in the Northwest Narrows group. Phytoplankton production estimates in the Northwest Narrows group were higher than estimates for Hudson Bay and Foxe Basin, and comparable to those in Hudson Strait. The substantial variability phytoplankton production around Southampton Island highlights the importance of local processes for primary production in the Arctic. This also calls to the necessity for future work to identify similar regions that have the potential to support high phytoplankton production in the Arctic.
    URI
    http://hdl.handle.net/1993/36865
    Collections
    • FGS - Electronic Theses and Practica [25522]

    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV
     

     

    Browse

    All of MSpaceCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

    My Account

    Login

    Statistics

    View Usage Statistics

    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV