Levels and patterns of genetic diversity in wild and cultured populations of mulloway (argyrosomus japonicus) using mitochondrial DNA and microsatellites

Archangi, Bita (2008) Levels and patterns of genetic diversity in wild and cultured populations of mulloway (argyrosomus japonicus) using mitochondrial DNA and microsatellites. PhD thesis, Queensland University of Technology.

Abstract

Mulloway are a large native inshore marine fish that are currently being evaluated by NSW Fisheries for their potential in aquaculture. The current study developed and applied molecular genetic markers to assess the geographical scale at which future hatcheries should be developed for the species. In addition, it evaluated the impact that current breeding practices in NSW have had on genetic diversity in culture cohorts. The study showed that wild Australian populations of this species constitute a single management unit (genetic stock), but that current hatchery practices employed in NSW are eroding natural genetic diversity. Thus a single hatchery could provide cultures stock to the whole Australian industry without compromising wild populations but that hatchery management practices will need to be modified in the future, to minimise levels of inbreeding.

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ID Code: 18195
Item Type: QUT Thesis (PhD)
Supervisor: Mather, Peter & Hurwood, David
Keywords: genetic diversity, Mulloway, mitochondrial DNA, microsatellites
Divisions: Past > Schools > Biogeoscience
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Institution: Queensland University of Technology
Deposited On: 23 Feb 2009 05:10
Last Modified: 28 Oct 2011 19:52

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