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    Monitoring the effects of offshore aquaculture on water quality in the Red Sea

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    Aislinn Dunne Thesis.pdf
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    Aislinn Dunne Thesis
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    Type
    Thesis
    Authors
    Dunne, Aislinn cc
    Advisors
    Jones, Burton cc
    Committee members
    Hoteit, Ibrahim cc
    Moran, Xose Anxelu G. cc
    Program
    Marine Science
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Date
    2018-06
    Embargo End Date
    2019-07-02
    Permanent link to this record
    http://hdl.handle.net/10754/628031
    
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    Access Restrictions
    At the time of archiving, the student author of this thesis opted to temporarily restrict access to it. The full text of this thesis became available to the public after the expiration of the embargo on 2019-07-02.
    Abstract
    The Saudi Arabian government has announced an economic development plan (Vision 2030) to invest in a range of industries across the Kingdom, one of which is the development of aquaculture. In the face of a likely increase in Red Sea fish farming, we investigated the impacts of offshore fish farms on the coastal water quality of the Red Sea by a) measuring the environmental impacts of an operational Red Sea fish farm, and b) testing whether an existing aquaculture modeling software can be used as a meaningful planning tool in the development of Red Sea aquaculture. Water quality parameters such as dissolved oxygen, nutrients, particulate matter, chlorophyll, ammonium, and bacterial abundance were measured seasonally over the course of a year around an offshore fish farm along the south-central coast of Saudi Arabia to determine the impacts of fish farm effluent on the surrounding waters. Bacteria, phosphate, inorganic nitrogen, and suspended particulate matter showed patterns of enrichment close to the fish farm. Additionally, dissolved oxygen has slightly lower concentrations close to and down current from the fish farms. Benthic sediments from a nearby coral reef were also assessed for organic enrichment, but concentrations of total organic carbon and total nitrogen were not significantly different from those at an offshore reef. The data from these sampling efforts were then used as input parameters for an aquaculture modeling software (AquaModel.net), however many of the input parameters required to run the model were unavailable and meaningful conclusions could not be drawn from the results. Through field studies and modeling, we assessed the current impact of a Red Sea fish farm on water quality with the goal of predicting the potential impacts of future offshore aquaculture development in Saudi Arabia.
    Citation
    Dunne, A. (2018). Monitoring the effects of offshore aquaculture on water quality in the Red Sea. KAUST Research Repository. https://doi.org/10.25781/KAUST-RUAKO
    DOI
    10.25781/KAUST-RUAKO
    ae974a485f413a2113503eed53cd6c53
    10.25781/KAUST-RUAKO
    Scopus Count
    Collections
    Biological and Environmental Sciences and Engineering (BESE) Division; Marine Science Program; Theses

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