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      4. WAMSI Node 4.3.1b - Determination of the diets of Snapper and Silver Trevally and construction of a food web for the demersal fish community in South-western Australia

      WAMSI Node 4.3.1b - Determination of the diets of Snapper and Silver Trevally and construction of a food web for the demersal fish community in South-western Australia

      From June 2009, for two years Snapper (Chrysophrys auratus) and Silver Trevally (Pseudocaranx georgianius) stomachs were sampled for their contents to create food webs.

      An understanding of the dietary composition of these two species is crucial for developing a food web involving the main demersal fish species found along the coast of south-western Australia. The production of ecosystem models using these food webs will facilitate the development of effective management strategies to sustain these species within the context of EBFM. Currently, there is little known of the dietary composition of these two species. Knowledge of these diets during each life cycle stage and each season will provide, in conjunction with data for other demersal fish species, an understanding of how food resources are partitioned among and within the different species and life stages. By including these data with large existing data sets for approximately 40 other demersal fish species from the lower south west coast, a holistic food web can be constructed. Such a food web will be the first of its kind in Western Australia and will provide an invaluable tool in fisheries management and evaluation.

      Samples were collected seasonally over two years from inshore waters ranging from Kalbarri to Esperance.

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      Activity Stream RDF JSON
      western-australian-marine-science-institution
      Key Information
      Published by
      Western Australian Marine Science Institution
      Information classification
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      Data theme
      Science
      Data last updated
      21-11-2017
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      Data custodian
      Potter, Ian, Dr
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      Maintainer Not Specified
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      First published
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      Metadata last updated
      25-05-2022
      Data source
      http://catalogue.aodn.org.au/geonetwork/srv/eng/metadata.show?uuid=51af863a-ef10-46ac-9b24-f6382c944e2b
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      Base map and data from OpenStreetMap and OpenStreetMap Foundation
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      Acknowledgement

      The Government of Western Australia respectfully acknowledges the traditional owners of country throughout Western Australia and pays its respects to Elders past, present and emerging.

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