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    An Ecosystem Approach, the Acoustic Assessment of the Northern Demersal Scalefish Fishery – Distribution, Habitat and Abundance

    Gastauer S 2017.pdf (14.75Mb)
    Access Status
    Open access
    Authors
    Gastauer, Sven
    Date
    2017
    Supervisor
    Dr Chandra Salgado Kent
    Type
    Thesis
    Award
    PhD
    
    Metadata
    Show full item record
    Faculty
    Science and Engineering
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/59005
    Collection
    • Curtin Theses
    Abstract

    Fisheries acoustics are one of the most promising tools for holistic marine monitoring. Modern fishing vessels, equipped with echosounders, can be used as scientific platforms. Acoustic data and optical catch recordings were collected opportunistically in the Northern Demersal Scalefish Fishery. Acoustic scattering properties of key species were estimated and it was shown that abundance, biomass, habitat, hotspot and acoustic diversity indices can be extracted from such data. Precision estimates can be established using geostatistics.

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